mirror of https://github.com/grpc/grpc.git
Siddharth Rakesh
10 years ago
commit
872e8187c2
112 changed files with 15292 additions and 2670 deletions
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/*
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* |
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* Copyright 2015, Google Inc. |
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* All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions are |
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* met: |
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* |
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* * Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* * Redistributions in binary form must reproduce the above |
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* copyright notice, this list of conditions and the following disclaimer |
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* in the documentation and/or other materials provided with the |
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* distribution. |
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* * Neither the name of Google Inc. nor the names of its |
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* contributors may be used to endorse or promote products derived from |
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* this software without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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* |
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*/ |
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#include "src/core/transport/chttp2/incoming_metadata.h" |
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#include <string.h> |
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#include "src/core/transport/chttp2/internal.h" |
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#include <grpc/support/alloc.h> |
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#include <grpc/support/log.h> |
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void grpc_chttp2_incoming_metadata_buffer_init( |
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grpc_chttp2_incoming_metadata_buffer *buffer) { |
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buffer->deadline = gpr_inf_future; |
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} |
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void grpc_chttp2_incoming_metadata_buffer_destroy( |
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grpc_chttp2_incoming_metadata_buffer *buffer) { |
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gpr_free(buffer->elems); |
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} |
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void grpc_chttp2_incoming_metadata_buffer_add( |
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grpc_chttp2_incoming_metadata_buffer *buffer, grpc_mdelem *elem) { |
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if (buffer->capacity == buffer->count) { |
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buffer->capacity = GPR_MAX(8, 2 * buffer->capacity); |
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buffer->elems = |
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gpr_realloc(buffer->elems, sizeof(*buffer->elems) * buffer->capacity); |
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} |
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buffer->elems[buffer->count++].md = elem; |
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} |
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void grpc_chttp2_incoming_metadata_buffer_set_deadline( |
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grpc_chttp2_incoming_metadata_buffer *buffer, gpr_timespec deadline) { |
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buffer->deadline = deadline; |
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} |
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void grpc_chttp2_incoming_metadata_live_op_buffer_end( |
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grpc_chttp2_incoming_metadata_live_op_buffer *buffer) { |
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gpr_free(buffer->elems); |
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buffer->elems = NULL; |
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} |
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void grpc_chttp2_incoming_metadata_buffer_place_metadata_batch_into( |
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grpc_chttp2_incoming_metadata_buffer *buffer, grpc_stream_op_buffer *sopb) { |
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grpc_metadata_batch b; |
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b.list.head = NULL; |
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/* Store away the last element of the list, so that in patch_metadata_ops
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we can reconstitute the list. |
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We can't do list building here as later incoming metadata may reallocate |
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the underlying array. */ |
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b.list.tail = (void *)(gpr_intptr)buffer->count; |
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b.garbage.head = b.garbage.tail = NULL; |
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b.deadline = buffer->deadline; |
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buffer->deadline = gpr_inf_future; |
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grpc_sopb_add_metadata(sopb, b); |
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} |
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void grpc_chttp2_incoming_metadata_buffer_swap( |
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grpc_chttp2_incoming_metadata_buffer *a, |
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grpc_chttp2_incoming_metadata_buffer *b) { |
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GPR_SWAP(grpc_chttp2_incoming_metadata_buffer, *a, *b); |
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} |
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void grpc_incoming_metadata_buffer_move_to_referencing_sopb( |
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grpc_chttp2_incoming_metadata_buffer *src, |
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grpc_chttp2_incoming_metadata_buffer *dst, grpc_stream_op_buffer *sopb) { |
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size_t delta; |
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size_t i; |
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dst->deadline = gpr_time_min(src->deadline, dst->deadline); |
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if (src->count == 0) { |
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return; |
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} |
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if (dst->count == 0) { |
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grpc_chttp2_incoming_metadata_buffer_swap(src, dst); |
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return; |
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} |
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delta = dst->count; |
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if (dst->capacity < src->count + dst->count) { |
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dst->capacity = GPR_MAX(dst->capacity * 2, src->count + dst->count); |
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dst->elems = gpr_realloc(dst->elems, dst->capacity * sizeof(*dst->elems)); |
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} |
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memcpy(dst->elems + dst->count, src->elems, src->count * sizeof(*src->elems)); |
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dst->count += src->count; |
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for (i = 0; i < sopb->nops; i++) { |
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if (sopb->ops[i].type != GRPC_OP_METADATA) continue; |
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sopb->ops[i].data.metadata.list.tail = |
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(void *)(delta + (gpr_intptr)sopb->ops[i].data.metadata.list.tail); |
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} |
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} |
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void grpc_chttp2_incoming_metadata_buffer_postprocess_sopb_and_begin_live_op( |
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grpc_chttp2_incoming_metadata_buffer *buffer, grpc_stream_op_buffer *sopb, |
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grpc_chttp2_incoming_metadata_live_op_buffer *live_op_buffer) { |
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grpc_stream_op *ops = sopb->ops; |
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size_t nops = sopb->nops; |
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size_t i; |
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size_t j; |
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size_t mdidx = 0; |
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size_t last_mdidx; |
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int found_metadata = 0; |
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/* rework the array of metadata into a linked list, making use
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of the breadcrumbs we left in metadata batches during |
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add_metadata_batch */ |
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for (i = 0; i < nops; i++) { |
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grpc_stream_op *op = &ops[i]; |
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if (op->type != GRPC_OP_METADATA) continue; |
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found_metadata = 1; |
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/* we left a breadcrumb indicating where the end of this list is,
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and since we add sequentially, we know from the end of the last |
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segment where this segment begins */ |
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last_mdidx = (size_t)(gpr_intptr)(op->data.metadata.list.tail); |
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GPR_ASSERT(last_mdidx > mdidx); |
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GPR_ASSERT(last_mdidx <= buffer->count); |
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/* turn the array into a doubly linked list */ |
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op->data.metadata.list.head = &buffer->elems[mdidx]; |
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op->data.metadata.list.tail = &buffer->elems[last_mdidx - 1]; |
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for (j = mdidx + 1; j < last_mdidx; j++) { |
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buffer->elems[j].prev = &buffer->elems[j - 1]; |
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buffer->elems[j - 1].next = &buffer->elems[j]; |
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} |
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buffer->elems[mdidx].prev = NULL; |
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buffer->elems[last_mdidx - 1].next = NULL; |
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/* track where we're up to */ |
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mdidx = last_mdidx; |
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} |
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if (found_metadata) { |
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live_op_buffer->elems = buffer->elems; |
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if (mdidx != buffer->count) { |
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/* we have a partially read metadata batch still in incoming_metadata */ |
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size_t new_count = buffer->count - mdidx; |
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size_t copy_bytes = sizeof(*buffer->elems) * new_count; |
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GPR_ASSERT(mdidx < buffer->count); |
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buffer->elems = gpr_malloc(copy_bytes); |
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memcpy(live_op_buffer->elems + mdidx, buffer->elems, copy_bytes); |
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buffer->count = buffer->capacity = new_count; |
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} else { |
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buffer->elems = NULL; |
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buffer->count = 0; |
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buffer->capacity = 0; |
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} |
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} |
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} |
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@ -0,0 +1,80 @@ |
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/*
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* |
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* Copyright 2015, Google Inc. |
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* All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions are |
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* met: |
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* |
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* * Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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|
* * Redistributions in binary form must reproduce the above |
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|
* copyright notice, this list of conditions and the following disclaimer |
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|
* in the documentation and/or other materials provided with the |
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|
* distribution. |
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* * Neither the name of Google Inc. nor the names of its |
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* contributors may be used to endorse or promote products derived from |
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|
* this software without specific prior written permission. |
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|
* |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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|
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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* |
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*/ |
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#ifndef GRPC_INTERNAL_CORE_CHTTP2_INCOMING_METADATA_H |
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#define GRPC_INTERNAL_CORE_CHTTP2_INCOMING_METADATA_H |
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#include "src/core/transport/transport.h" |
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typedef struct { |
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grpc_linked_mdelem *elems; |
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size_t count; |
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size_t capacity; |
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gpr_timespec deadline; |
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} grpc_chttp2_incoming_metadata_buffer; |
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typedef struct { |
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grpc_linked_mdelem *elems; |
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} grpc_chttp2_incoming_metadata_live_op_buffer; |
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/** assumes everything initially zeroed */ |
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void grpc_chttp2_incoming_metadata_buffer_init( |
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grpc_chttp2_incoming_metadata_buffer *buffer); |
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void grpc_chttp2_incoming_metadata_buffer_destroy( |
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grpc_chttp2_incoming_metadata_buffer *buffer); |
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void grpc_chttp2_incoming_metadata_buffer_reset( |
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grpc_chttp2_incoming_metadata_buffer *buffer); |
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void grpc_chttp2_incoming_metadata_buffer_add( |
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grpc_chttp2_incoming_metadata_buffer *buffer, grpc_mdelem *elem); |
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void grpc_chttp2_incoming_metadata_buffer_set_deadline( |
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grpc_chttp2_incoming_metadata_buffer *buffer, gpr_timespec deadline); |
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/** extend sopb with a metadata batch; this must be post-processed by
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grpc_chttp2_incoming_metadata_buffer_postprocess_sopb before being handed |
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out of the transport */ |
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void grpc_chttp2_incoming_metadata_buffer_place_metadata_batch_into( |
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grpc_chttp2_incoming_metadata_buffer *buffer, grpc_stream_op_buffer *sopb); |
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void grpc_incoming_metadata_buffer_move_to_referencing_sopb( |
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grpc_chttp2_incoming_metadata_buffer *src, |
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grpc_chttp2_incoming_metadata_buffer *dst, grpc_stream_op_buffer *sopb); |
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void grpc_chttp2_incoming_metadata_buffer_postprocess_sopb_and_begin_live_op( |
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grpc_chttp2_incoming_metadata_buffer *buffer, grpc_stream_op_buffer *sopb, |
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grpc_chttp2_incoming_metadata_live_op_buffer *live_op_buffer); |
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void grpc_chttp2_incoming_metadata_live_op_buffer_end( |
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grpc_chttp2_incoming_metadata_live_op_buffer *live_op_buffer); |
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#endif /* GRPC_INTERNAL_CORE_CHTTP2_INCOMING_METADATA_H */ |
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@ -0,0 +1,609 @@ |
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/*
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* |
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* Copyright 2015, Google Inc. |
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* All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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|
* modification, are permitted provided that the following conditions are |
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|
* met: |
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|
* |
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|
* * Redistributions of source code must retain the above copyright |
||||||
|
* notice, this list of conditions and the following disclaimer. |
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|
* * Redistributions in binary form must reproduce the above |
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|
* copyright notice, this list of conditions and the following disclaimer |
||||||
|
* in the documentation and/or other materials provided with the |
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|
* distribution. |
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|
* * Neither the name of Google Inc. nor the names of its |
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|
* contributors may be used to endorse or promote products derived from |
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|
* this software without specific prior written permission. |
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|
* |
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|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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|
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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|
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
||||||
|
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
||||||
|
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
||||||
|
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
||||||
|
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
||||||
|
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
||||||
|
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
||||||
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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|
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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* |
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*/ |
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#ifndef GRPC_INTERNAL_CORE_CHTTP2_INTERNAL_H |
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#define GRPC_INTERNAL_CORE_CHTTP2_INTERNAL_H |
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#include "src/core/transport/transport_impl.h" |
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#include "src/core/iomgr/endpoint.h" |
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#include "src/core/transport/chttp2/frame.h" |
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#include "src/core/transport/chttp2/frame_data.h" |
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#include "src/core/transport/chttp2/frame_goaway.h" |
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#include "src/core/transport/chttp2/frame_ping.h" |
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#include "src/core/transport/chttp2/frame_rst_stream.h" |
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#include "src/core/transport/chttp2/frame_settings.h" |
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#include "src/core/transport/chttp2/frame_window_update.h" |
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#include "src/core/transport/chttp2/hpack_parser.h" |
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#include "src/core/transport/chttp2/incoming_metadata.h" |
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#include "src/core/transport/chttp2/stream_encoder.h" |
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#include "src/core/transport/chttp2/stream_map.h" |
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typedef struct grpc_chttp2_transport grpc_chttp2_transport; |
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typedef struct grpc_chttp2_stream grpc_chttp2_stream; |
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/* streams are kept in various linked lists depending on what things need to
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happen to them... this enum labels each list */ |
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typedef enum { |
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GRPC_CHTTP2_LIST_ALL_STREAMS, |
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GRPC_CHTTP2_LIST_READ_WRITE_STATE_CHANGED, |
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GRPC_CHTTP2_LIST_WRITABLE, |
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GRPC_CHTTP2_LIST_WRITING, |
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GRPC_CHTTP2_LIST_WRITTEN, |
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GRPC_CHTTP2_LIST_WRITABLE_WINDOW_UPDATE, |
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GRPC_CHTTP2_LIST_PARSING_SEEN, |
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GRPC_CHTTP2_LIST_CLOSED_WAITING_FOR_PARSING, |
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GRPC_CHTTP2_LIST_INCOMING_WINDOW_UPDATED, |
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/** streams that are waiting to start because there are too many concurrent
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streams on the connection */ |
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GRPC_CHTTP2_LIST_WAITING_FOR_CONCURRENCY, |
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STREAM_LIST_COUNT /* must be last */ |
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} grpc_chttp2_stream_list_id; |
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/* deframer state for the overall http2 stream of bytes */ |
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typedef enum { |
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/* prefix: one entry per http2 connection prefix byte */ |
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GRPC_DTS_CLIENT_PREFIX_0 = 0, |
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GRPC_DTS_CLIENT_PREFIX_1, |
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GRPC_DTS_CLIENT_PREFIX_2, |
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GRPC_DTS_CLIENT_PREFIX_3, |
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GRPC_DTS_CLIENT_PREFIX_4, |
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GRPC_DTS_CLIENT_PREFIX_5, |
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GRPC_DTS_CLIENT_PREFIX_6, |
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GRPC_DTS_CLIENT_PREFIX_7, |
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GRPC_DTS_CLIENT_PREFIX_8, |
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GRPC_DTS_CLIENT_PREFIX_9, |
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GRPC_DTS_CLIENT_PREFIX_10, |
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GRPC_DTS_CLIENT_PREFIX_11, |
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GRPC_DTS_CLIENT_PREFIX_12, |
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GRPC_DTS_CLIENT_PREFIX_13, |
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GRPC_DTS_CLIENT_PREFIX_14, |
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GRPC_DTS_CLIENT_PREFIX_15, |
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GRPC_DTS_CLIENT_PREFIX_16, |
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GRPC_DTS_CLIENT_PREFIX_17, |
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GRPC_DTS_CLIENT_PREFIX_18, |
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GRPC_DTS_CLIENT_PREFIX_19, |
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GRPC_DTS_CLIENT_PREFIX_20, |
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GRPC_DTS_CLIENT_PREFIX_21, |
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GRPC_DTS_CLIENT_PREFIX_22, |
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GRPC_DTS_CLIENT_PREFIX_23, |
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/* frame header byte 0... */ |
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/* must follow from the prefix states */ |
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|
GRPC_DTS_FH_0, |
||||||
|
GRPC_DTS_FH_1, |
||||||
|
GRPC_DTS_FH_2, |
||||||
|
GRPC_DTS_FH_3, |
||||||
|
GRPC_DTS_FH_4, |
||||||
|
GRPC_DTS_FH_5, |
||||||
|
GRPC_DTS_FH_6, |
||||||
|
GRPC_DTS_FH_7, |
||||||
|
/* ... frame header byte 8 */ |
||||||
|
GRPC_DTS_FH_8, |
||||||
|
/* inside a http2 frame */ |
||||||
|
GRPC_DTS_FRAME |
||||||
|
} grpc_chttp2_deframe_transport_state; |
||||||
|
|
||||||
|
typedef enum { |
||||||
|
GRPC_WRITE_STATE_OPEN, |
||||||
|
GRPC_WRITE_STATE_QUEUED_CLOSE, |
||||||
|
GRPC_WRITE_STATE_SENT_CLOSE |
||||||
|
} grpc_chttp2_write_state; |
||||||
|
|
||||||
|
typedef enum { |
||||||
|
GRPC_DONT_SEND_CLOSED = 0, |
||||||
|
GRPC_SEND_CLOSED, |
||||||
|
GRPC_SEND_CLOSED_WITH_RST_STREAM |
||||||
|
} grpc_chttp2_send_closed; |
||||||
|
|
||||||
|
typedef struct { |
||||||
|
grpc_chttp2_stream *head; |
||||||
|
grpc_chttp2_stream *tail; |
||||||
|
} grpc_chttp2_stream_list; |
||||||
|
|
||||||
|
typedef struct { |
||||||
|
grpc_chttp2_stream *next; |
||||||
|
grpc_chttp2_stream *prev; |
||||||
|
} grpc_chttp2_stream_link; |
||||||
|
|
||||||
|
typedef enum { |
||||||
|
GRPC_CHTTP2_ERROR_STATE_NONE, |
||||||
|
GRPC_CHTTP2_ERROR_STATE_SEEN, |
||||||
|
GRPC_CHTTP2_ERROR_STATE_NOTIFIED |
||||||
|
} grpc_chttp2_error_state; |
||||||
|
|
||||||
|
/* We keep several sets of connection wide parameters */ |
||||||
|
typedef enum { |
||||||
|
/* The settings our peer has asked for (and we have acked) */ |
||||||
|
GRPC_PEER_SETTINGS = 0, |
||||||
|
/* The settings we'd like to have */ |
||||||
|
GRPC_LOCAL_SETTINGS, |
||||||
|
/* The settings we've published to our peer */ |
||||||
|
GRPC_SENT_SETTINGS, |
||||||
|
/* The settings the peer has acked */ |
||||||
|
GRPC_ACKED_SETTINGS, |
||||||
|
GRPC_NUM_SETTING_SETS |
||||||
|
} grpc_chttp2_setting_set; |
||||||
|
|
||||||
|
/* Outstanding ping request data */ |
||||||
|
typedef struct grpc_chttp2_outstanding_ping { |
||||||
|
gpr_uint8 id[8]; |
||||||
|
grpc_iomgr_closure *on_recv; |
||||||
|
struct grpc_chttp2_outstanding_ping *next; |
||||||
|
struct grpc_chttp2_outstanding_ping *prev; |
||||||
|
} grpc_chttp2_outstanding_ping; |
||||||
|
|
||||||
|
typedef struct { |
||||||
|
/** data to write next write */ |
||||||
|
gpr_slice_buffer qbuf; |
||||||
|
/** queued callbacks */ |
||||||
|
grpc_iomgr_closure *pending_closures; |
||||||
|
|
||||||
|
/** window available for us to send to peer */ |
||||||
|
gpr_uint32 outgoing_window; |
||||||
|
/** window available for peer to send to us - updated after parse */ |
||||||
|
gpr_uint32 incoming_window; |
||||||
|
/** how much window would we like to have for incoming_window */ |
||||||
|
gpr_uint32 connection_window_target; |
||||||
|
|
||||||
|
/** is this transport a client? */ |
||||||
|
gpr_uint8 is_client; |
||||||
|
/** are the local settings dirty and need to be sent? */ |
||||||
|
gpr_uint8 dirtied_local_settings; |
||||||
|
/** have local settings been sent? */ |
||||||
|
gpr_uint8 sent_local_settings; |
||||||
|
/** bitmask of setting indexes to send out */ |
||||||
|
gpr_uint32 force_send_settings; |
||||||
|
/** settings values */ |
||||||
|
gpr_uint32 settings[GRPC_NUM_SETTING_SETS][GRPC_CHTTP2_NUM_SETTINGS]; |
||||||
|
|
||||||
|
/** has there been a connection level error, and have we notified
|
||||||
|
anyone about it? */ |
||||||
|
grpc_chttp2_error_state error_state; |
||||||
|
|
||||||
|
/** what is the next stream id to be allocated by this peer?
|
||||||
|
copied to next_stream_id in parsing when parsing commences */ |
||||||
|
gpr_uint32 next_stream_id; |
||||||
|
|
||||||
|
/** last received stream id */ |
||||||
|
gpr_uint32 last_incoming_stream_id; |
||||||
|
|
||||||
|
/** pings awaiting responses */ |
||||||
|
grpc_chttp2_outstanding_ping pings; |
||||||
|
/** next payload for an outgoing ping */ |
||||||
|
gpr_uint64 ping_counter; |
||||||
|
|
||||||
|
/** concurrent stream count: updated when not parsing,
|
||||||
|
so this is a strict over-estimation on the client */ |
||||||
|
gpr_uint32 concurrent_stream_count; |
||||||
|
|
||||||
|
/** is there a goaway available? (boolean) */ |
||||||
|
grpc_chttp2_error_state goaway_state; |
||||||
|
/** what is the debug text of the goaway? */ |
||||||
|
gpr_slice goaway_text; |
||||||
|
/** what is the status code of the goaway? */ |
||||||
|
grpc_status_code goaway_error; |
||||||
|
} grpc_chttp2_transport_global; |
||||||
|
|
||||||
|
typedef struct { |
||||||
|
/** data to write now */ |
||||||
|
gpr_slice_buffer outbuf; |
||||||
|
/** hpack encoding */ |
||||||
|
grpc_chttp2_hpack_compressor hpack_compressor; |
||||||
|
/** is this a client? */ |
||||||
|
gpr_uint8 is_client; |
||||||
|
} grpc_chttp2_transport_writing; |
||||||
|
|
||||||
|
struct grpc_chttp2_transport_parsing { |
||||||
|
/** is this transport a client? (boolean) */ |
||||||
|
gpr_uint8 is_client; |
||||||
|
|
||||||
|
/** were settings updated? */ |
||||||
|
gpr_uint8 settings_updated; |
||||||
|
/** was a settings ack received? */ |
||||||
|
gpr_uint8 settings_ack_received; |
||||||
|
/** was a goaway frame received? */ |
||||||
|
gpr_uint8 goaway_received; |
||||||
|
|
||||||
|
/** initial window change */ |
||||||
|
gpr_int64 initial_window_update; |
||||||
|
|
||||||
|
/** data to write later - after parsing */ |
||||||
|
gpr_slice_buffer qbuf; |
||||||
|
/* metadata object cache */ |
||||||
|
grpc_mdstr *str_grpc_timeout; |
||||||
|
/** parser for headers */ |
||||||
|
grpc_chttp2_hpack_parser hpack_parser; |
||||||
|
/** simple one shot parsers */ |
||||||
|
union { |
||||||
|
grpc_chttp2_window_update_parser window_update; |
||||||
|
grpc_chttp2_settings_parser settings; |
||||||
|
grpc_chttp2_ping_parser ping; |
||||||
|
grpc_chttp2_rst_stream_parser rst_stream; |
||||||
|
} simple; |
||||||
|
/** parser for goaway frames */ |
||||||
|
grpc_chttp2_goaway_parser goaway_parser; |
||||||
|
|
||||||
|
/** window available for peer to send to us */ |
||||||
|
gpr_uint32 incoming_window; |
||||||
|
gpr_uint32 incoming_window_delta; |
||||||
|
|
||||||
|
/** next stream id available at the time of beginning parsing */ |
||||||
|
gpr_uint32 next_stream_id; |
||||||
|
gpr_uint32 last_incoming_stream_id; |
||||||
|
|
||||||
|
/* deframing */ |
||||||
|
grpc_chttp2_deframe_transport_state deframe_state; |
||||||
|
gpr_uint8 incoming_frame_type; |
||||||
|
gpr_uint8 incoming_frame_flags; |
||||||
|
gpr_uint8 header_eof; |
||||||
|
gpr_uint32 expect_continuation_stream_id; |
||||||
|
gpr_uint32 incoming_frame_size; |
||||||
|
gpr_uint32 incoming_stream_id; |
||||||
|
|
||||||
|
/* active parser */ |
||||||
|
void *parser_data; |
||||||
|
grpc_chttp2_stream_parsing *incoming_stream; |
||||||
|
grpc_chttp2_parse_error (*parser)( |
||||||
|
void *parser_user_data, grpc_chttp2_transport_parsing *transport_parsing, |
||||||
|
grpc_chttp2_stream_parsing *stream_parsing, gpr_slice slice, int is_last); |
||||||
|
|
||||||
|
/* received settings */ |
||||||
|
gpr_uint32 settings[GRPC_CHTTP2_NUM_SETTINGS]; |
||||||
|
|
||||||
|
/* goaway data */ |
||||||
|
grpc_status_code goaway_error; |
||||||
|
gpr_uint32 goaway_last_stream_index; |
||||||
|
gpr_slice goaway_text; |
||||||
|
|
||||||
|
gpr_uint64 outgoing_window_update; |
||||||
|
|
||||||
|
/** pings awaiting responses */ |
||||||
|
grpc_chttp2_outstanding_ping pings; |
||||||
|
}; |
||||||
|
|
||||||
|
struct grpc_chttp2_transport { |
||||||
|
grpc_transport base; /* must be first */ |
||||||
|
grpc_endpoint *ep; |
||||||
|
grpc_mdctx *metadata_context; |
||||||
|
gpr_refcount refs; |
||||||
|
|
||||||
|
gpr_mu mu; |
||||||
|
|
||||||
|
/** is the transport destroying itself? */ |
||||||
|
gpr_uint8 destroying; |
||||||
|
/** has the upper layer closed the transport? */ |
||||||
|
gpr_uint8 closed; |
||||||
|
|
||||||
|
/** is a thread currently writing */ |
||||||
|
gpr_uint8 writing_active; |
||||||
|
/** is a thread currently parsing */ |
||||||
|
gpr_uint8 parsing_active; |
||||||
|
|
||||||
|
/** is there a read request to the endpoint outstanding? */ |
||||||
|
gpr_uint8 endpoint_reading; |
||||||
|
|
||||||
|
/** various lists of streams */ |
||||||
|
grpc_chttp2_stream_list lists[STREAM_LIST_COUNT]; |
||||||
|
|
||||||
|
/** global state for reading/writing */ |
||||||
|
grpc_chttp2_transport_global global; |
||||||
|
/** state only accessible by the chain of execution that
|
||||||
|
set writing_active=1 */ |
||||||
|
grpc_chttp2_transport_writing writing; |
||||||
|
/** state only accessible by the chain of execution that
|
||||||
|
set parsing_active=1 */ |
||||||
|
grpc_chttp2_transport_parsing parsing; |
||||||
|
|
||||||
|
/** maps stream id to grpc_chttp2_stream objects;
|
||||||
|
owned by the parsing thread when parsing */ |
||||||
|
grpc_chttp2_stream_map parsing_stream_map; |
||||||
|
|
||||||
|
/** streams created by the client (possibly during parsing);
|
||||||
|
merged with parsing_stream_map during unlock when no |
||||||
|
parsing is occurring */ |
||||||
|
grpc_chttp2_stream_map new_stream_map; |
||||||
|
|
||||||
|
/** closure to execute writing */ |
||||||
|
grpc_iomgr_closure writing_action; |
||||||
|
/** closure to start reading from the endpoint */ |
||||||
|
grpc_iomgr_closure reading_action; |
||||||
|
|
||||||
|
/** address to place a newly accepted stream - set and unset by
|
||||||
|
grpc_chttp2_parsing_accept_stream; used by init_stream to |
||||||
|
publish the accepted server stream */ |
||||||
|
grpc_chttp2_stream **accepting_stream; |
||||||
|
|
||||||
|
struct { |
||||||
|
/** is a thread currently performing channel callbacks */ |
||||||
|
gpr_uint8 executing; |
||||||
|
/** transport channel-level callback */ |
||||||
|
const grpc_transport_callbacks *cb; |
||||||
|
/** user data for cb calls */ |
||||||
|
void *cb_user_data; |
||||||
|
/** closure for notifying transport closure */ |
||||||
|
grpc_iomgr_closure notify_closed; |
||||||
|
} channel_callback; |
||||||
|
}; |
||||||
|
|
||||||
|
typedef struct { |
||||||
|
/** HTTP2 stream id for this stream, or zero if one has not been assigned */ |
||||||
|
gpr_uint32 id; |
||||||
|
|
||||||
|
grpc_iomgr_closure *send_done_closure; |
||||||
|
grpc_iomgr_closure *recv_done_closure; |
||||||
|
|
||||||
|
/** window available for us to send to peer */ |
||||||
|
gpr_int64 outgoing_window; |
||||||
|
/** window available for peer to send to us - updated after parse */ |
||||||
|
gpr_uint32 incoming_window; |
||||||
|
/** stream ops the transport user would like to send */ |
||||||
|
grpc_stream_op_buffer *outgoing_sopb; |
||||||
|
/** when the application requests writes be closed, the write_closed is
|
||||||
|
'queued'; when the close is flow controlled into the send path, we are |
||||||
|
'sending' it; when the write has been performed it is 'sent' */ |
||||||
|
grpc_chttp2_write_state write_state; |
||||||
|
/** is this stream closed (boolean) */ |
||||||
|
gpr_uint8 read_closed; |
||||||
|
/** has this stream been cancelled? (boolean) */ |
||||||
|
gpr_uint8 cancelled; |
||||||
|
grpc_status_code cancelled_status; |
||||||
|
/** have we told the upper layer that this stream is cancelled? */ |
||||||
|
gpr_uint8 published_cancelled; |
||||||
|
/** is this stream in the stream map? (boolean) */ |
||||||
|
gpr_uint8 in_stream_map; |
||||||
|
|
||||||
|
/** stream state already published to the upper layer */ |
||||||
|
grpc_stream_state published_state; |
||||||
|
/** address to publish next stream state to */ |
||||||
|
grpc_stream_state *publish_state; |
||||||
|
/** pointer to sop buffer to fill in with new stream ops */ |
||||||
|
grpc_stream_op_buffer *publish_sopb; |
||||||
|
grpc_stream_op_buffer incoming_sopb; |
||||||
|
|
||||||
|
/** incoming metadata */ |
||||||
|
grpc_chttp2_incoming_metadata_buffer incoming_metadata; |
||||||
|
grpc_chttp2_incoming_metadata_live_op_buffer outstanding_metadata; |
||||||
|
} grpc_chttp2_stream_global; |
||||||
|
|
||||||
|
typedef struct { |
||||||
|
/** HTTP2 stream id for this stream, or zero if one has not been assigned */ |
||||||
|
gpr_uint32 id; |
||||||
|
/** sops that have passed flow control to be written */ |
||||||
|
grpc_stream_op_buffer sopb; |
||||||
|
/** how strongly should we indicate closure with the next write */ |
||||||
|
grpc_chttp2_send_closed send_closed; |
||||||
|
} grpc_chttp2_stream_writing; |
||||||
|
|
||||||
|
struct grpc_chttp2_stream_parsing { |
||||||
|
/** HTTP2 stream id for this stream, or zero if one has not been assigned */ |
||||||
|
gpr_uint32 id; |
||||||
|
/** has this stream received a close */ |
||||||
|
gpr_uint8 received_close; |
||||||
|
/** saw a rst_stream */ |
||||||
|
gpr_uint8 saw_rst_stream; |
||||||
|
/** incoming_window has been reduced by this much during parsing */ |
||||||
|
gpr_uint32 incoming_window_delta; |
||||||
|
/** window available for peer to send to us */ |
||||||
|
gpr_uint32 incoming_window; |
||||||
|
/** parsing state for data frames */ |
||||||
|
grpc_chttp2_data_parser data_parser; |
||||||
|
/** reason give to rst_stream */ |
||||||
|
gpr_uint32 rst_stream_reason; |
||||||
|
/* amount of window given */ |
||||||
|
gpr_uint64 outgoing_window_update; |
||||||
|
|
||||||
|
/** incoming metadata */ |
||||||
|
grpc_chttp2_incoming_metadata_buffer incoming_metadata; |
||||||
|
}; |
||||||
|
|
||||||
|
struct grpc_chttp2_stream { |
||||||
|
grpc_chttp2_stream_global global; |
||||||
|
grpc_chttp2_stream_writing writing; |
||||||
|
grpc_chttp2_stream_parsing parsing; |
||||||
|
|
||||||
|
grpc_chttp2_stream_link links[STREAM_LIST_COUNT]; |
||||||
|
gpr_uint8 included[STREAM_LIST_COUNT]; |
||||||
|
}; |
||||||
|
|
||||||
|
/** Transport writing call flow:
|
||||||
|
chttp2_transport.c calls grpc_chttp2_unlocking_check_writes to see if writes |
||||||
|
are required; |
||||||
|
if they are, chttp2_transport.c calls grpc_chttp2_perform_writes to do the |
||||||
|
writes. |
||||||
|
Once writes have been completed (meaning another write could potentially be |
||||||
|
started), |
||||||
|
grpc_chttp2_terminate_writing is called. This will call |
||||||
|
grpc_chttp2_cleanup_writing, at which |
||||||
|
point the write phase is complete. */ |
||||||
|
|
||||||
|
/** Someone is unlocking the transport mutex: check to see if writes
|
||||||
|
are required, and schedule them if so */ |
||||||
|
int grpc_chttp2_unlocking_check_writes(grpc_chttp2_transport_global *global, |
||||||
|
grpc_chttp2_transport_writing *writing); |
||||||
|
void grpc_chttp2_perform_writes( |
||||||
|
grpc_chttp2_transport_writing *transport_writing, grpc_endpoint *endpoint); |
||||||
|
void grpc_chttp2_terminate_writing( |
||||||
|
grpc_chttp2_transport_writing *transport_writing, int success); |
||||||
|
void grpc_chttp2_cleanup_writing(grpc_chttp2_transport_global *global, |
||||||
|
grpc_chttp2_transport_writing *writing); |
||||||
|
|
||||||
|
void grpc_chttp2_prepare_to_read(grpc_chttp2_transport_global *global, |
||||||
|
grpc_chttp2_transport_parsing *parsing); |
||||||
|
/** Process one slice of incoming data; return 1 if the connection is still
|
||||||
|
viable after reading, or 0 if the connection should be torn down */ |
||||||
|
int grpc_chttp2_perform_read(grpc_chttp2_transport_parsing *transport_parsing, |
||||||
|
gpr_slice slice); |
||||||
|
void grpc_chttp2_publish_reads(grpc_chttp2_transport_global *global, |
||||||
|
grpc_chttp2_transport_parsing *parsing); |
||||||
|
|
||||||
|
/** Get a writable stream
|
||||||
|
returns non-zero if there was a stream available */ |
||||||
|
void grpc_chttp2_list_add_writable_stream( |
||||||
|
grpc_chttp2_transport_global *transport_global, |
||||||
|
grpc_chttp2_stream_global *stream_global); |
||||||
|
int grpc_chttp2_list_pop_writable_stream( |
||||||
|
grpc_chttp2_transport_global *transport_global, |
||||||
|
grpc_chttp2_transport_writing *transport_writing, |
||||||
|
grpc_chttp2_stream_global **stream_global, |
||||||
|
grpc_chttp2_stream_writing **stream_writing); |
||||||
|
|
||||||
|
void grpc_chttp2_list_add_incoming_window_updated( |
||||||
|
grpc_chttp2_transport_global *transport_global, |
||||||
|
grpc_chttp2_stream_global *stream_global); |
||||||
|
int grpc_chttp2_list_pop_incoming_window_updated( |
||||||
|
grpc_chttp2_transport_global *transport_global, |
||||||
|
grpc_chttp2_transport_parsing *transport_parsing, |
||||||
|
grpc_chttp2_stream_global **stream_global, |
||||||
|
grpc_chttp2_stream_parsing **stream_parsing); |
||||||
|
void grpc_chttp2_list_remove_incoming_window_updated( |
||||||
|
grpc_chttp2_transport_global *transport_global, |
||||||
|
grpc_chttp2_stream_global *stream_global); |
||||||
|
|
||||||
|
void grpc_chttp2_list_add_writing_stream( |
||||||
|
grpc_chttp2_transport_writing *transport_writing, |
||||||
|
grpc_chttp2_stream_writing *stream_writing); |
||||||
|
int grpc_chttp2_list_have_writing_streams( |
||||||
|
grpc_chttp2_transport_writing *transport_writing); |
||||||
|
int grpc_chttp2_list_pop_writing_stream( |
||||||
|
grpc_chttp2_transport_writing *transport_writing, |
||||||
|
grpc_chttp2_stream_writing **stream_writing); |
||||||
|
|
||||||
|
void grpc_chttp2_list_add_written_stream( |
||||||
|
grpc_chttp2_transport_writing *transport_writing, |
||||||
|
grpc_chttp2_stream_writing *stream_writing); |
||||||
|
int grpc_chttp2_list_pop_written_stream( |
||||||
|
grpc_chttp2_transport_global *transport_global, |
||||||
|
grpc_chttp2_transport_writing *transport_writing, |
||||||
|
grpc_chttp2_stream_global **stream_global, |
||||||
|
grpc_chttp2_stream_writing **stream_writing); |
||||||
|
|
||||||
|
void grpc_chttp2_list_add_writable_window_update_stream( |
||||||
|
grpc_chttp2_transport_global *transport_global, |
||||||
|
grpc_chttp2_stream_global *stream_global); |
||||||
|
int grpc_chttp2_list_pop_writable_window_update_stream( |
||||||
|
grpc_chttp2_transport_global *transport_global, |
||||||
|
grpc_chttp2_stream_global **stream_global); |
||||||
|
void grpc_chttp2_list_remove_writable_window_update_stream( |
||||||
|
grpc_chttp2_transport_global *transport_global, |
||||||
|
grpc_chttp2_stream_global *stream_global); |
||||||
|
|
||||||
|
void grpc_chttp2_list_add_parsing_seen_stream( |
||||||
|
grpc_chttp2_transport_parsing *transport_parsing, |
||||||
|
grpc_chttp2_stream_parsing *stream_parsing); |
||||||
|
int grpc_chttp2_list_pop_parsing_seen_stream( |
||||||
|
grpc_chttp2_transport_global *transport_global, |
||||||
|
grpc_chttp2_transport_parsing *transport_parsing, |
||||||
|
grpc_chttp2_stream_global **stream_global, |
||||||
|
grpc_chttp2_stream_parsing **stream_parsing); |
||||||
|
|
||||||
|
void grpc_chttp2_list_add_waiting_for_concurrency( |
||||||
|
grpc_chttp2_transport_global *transport_global, |
||||||
|
grpc_chttp2_stream_global *stream_global); |
||||||
|
int grpc_chttp2_list_pop_waiting_for_concurrency( |
||||||
|
grpc_chttp2_transport_global *transport_global, |
||||||
|
grpc_chttp2_stream_global **stream_global); |
||||||
|
|
||||||
|
void grpc_chttp2_list_add_closed_waiting_for_parsing( |
||||||
|
grpc_chttp2_transport_global *transport_global, |
||||||
|
grpc_chttp2_stream_global *stream_global); |
||||||
|
int grpc_chttp2_list_pop_closed_waiting_for_parsing( |
||||||
|
grpc_chttp2_transport_global *transport_global, |
||||||
|
grpc_chttp2_stream_global **stream_global); |
||||||
|
|
||||||
|
void grpc_chttp2_list_add_read_write_state_changed( |
||||||
|
grpc_chttp2_transport_global *transport_global, |
||||||
|
grpc_chttp2_stream_global *stream_global); |
||||||
|
int grpc_chttp2_list_pop_read_write_state_changed( |
||||||
|
grpc_chttp2_transport_global *transport_global, |
||||||
|
grpc_chttp2_stream_global **stream_global); |
||||||
|
|
||||||
|
/** schedule a closure to run without the transport lock taken */ |
||||||
|
void grpc_chttp2_schedule_closure( |
||||||
|
grpc_chttp2_transport_global *transport_global, grpc_iomgr_closure *closure, |
||||||
|
int success); |
||||||
|
|
||||||
|
grpc_chttp2_stream_parsing *grpc_chttp2_parsing_lookup_stream( |
||||||
|
grpc_chttp2_transport_parsing *transport_parsing, gpr_uint32 id); |
||||||
|
grpc_chttp2_stream_parsing *grpc_chttp2_parsing_accept_stream( |
||||||
|
grpc_chttp2_transport_parsing *transport_parsing, gpr_uint32 id); |
||||||
|
|
||||||
|
void grpc_chttp2_add_incoming_goaway( |
||||||
|
grpc_chttp2_transport_global *transport_global, gpr_uint32 goaway_error, |
||||||
|
gpr_slice goaway_text); |
||||||
|
|
||||||
|
void grpc_chttp2_register_stream(grpc_chttp2_transport *t, |
||||||
|
grpc_chttp2_stream *s); |
||||||
|
void grpc_chttp2_unregister_stream(grpc_chttp2_transport *t, |
||||||
|
grpc_chttp2_stream *s); |
||||||
|
void grpc_chttp2_for_all_streams( |
||||||
|
grpc_chttp2_transport_global *transport_global, void *user_data, |
||||||
|
void (*cb)(grpc_chttp2_transport_global *transport_global, void *user_data, |
||||||
|
grpc_chttp2_stream_global *stream_global)); |
||||||
|
|
||||||
|
void grpc_chttp2_parsing_become_skip_parser( |
||||||
|
grpc_chttp2_transport_parsing *transport_parsing); |
||||||
|
|
||||||
|
#define GRPC_CHTTP2_CLIENT_CONNECT_STRING "PRI * HTTP/2.0\r\n\r\nSM\r\n\r\n" |
||||||
|
#define GRPC_CHTTP2_CLIENT_CONNECT_STRLEN \ |
||||||
|
(sizeof(GRPC_CHTTP2_CLIENT_CONNECT_STRING) - 1) |
||||||
|
|
||||||
|
extern int grpc_http_trace; |
||||||
|
extern int grpc_flowctl_trace; |
||||||
|
|
||||||
|
#define GRPC_CHTTP2_IF_TRACING(stmt) \ |
||||||
|
if (!(grpc_http_trace)) \
|
||||||
|
; \
|
||||||
|
else \
|
||||||
|
stmt |
||||||
|
|
||||||
|
#define GRPC_CHTTP2_FLOWCTL_TRACE_STREAM(reason, transport, context, var, \ |
||||||
|
delta) \
|
||||||
|
if (!(grpc_flowctl_trace)) { \
|
||||||
|
} else { \
|
||||||
|
grpc_chttp2_flowctl_trace(__FILE__, __LINE__, reason, #context, #var, \
|
||||||
|
transport->is_client, context->id, context->var, \
|
||||||
|
delta); \
|
||||||
|
} |
||||||
|
|
||||||
|
#define GRPC_CHTTP2_FLOWCTL_TRACE_TRANSPORT(reason, context, var, delta) \ |
||||||
|
if (!(grpc_flowctl_trace)) { \
|
||||||
|
} else { \
|
||||||
|
grpc_chttp2_flowctl_trace(__FILE__, __LINE__, reason, #context, #var, \
|
||||||
|
context->is_client, 0, context->var, delta); \
|
||||||
|
} |
||||||
|
|
||||||
|
void grpc_chttp2_flowctl_trace(const char *file, int line, const char *reason, |
||||||
|
const char *context, const char *var, |
||||||
|
int is_client, gpr_uint32 stream_id, |
||||||
|
gpr_int64 current_value, gpr_int64 delta); |
||||||
|
|
||||||
|
#endif |
||||||
@ -0,0 +1,813 @@ |
|||||||
|
/*
|
||||||
|
* |
||||||
|
* Copyright 2015, Google Inc. |
||||||
|
* All rights reserved. |
||||||
|
* |
||||||
|
* Redistribution and use in source and binary forms, with or without |
||||||
|
* modification, are permitted provided that the following conditions are |
||||||
|
* met: |
||||||
|
* |
||||||
|
* * Redistributions of source code must retain the above copyright |
||||||
|
* notice, this list of conditions and the following disclaimer. |
||||||
|
* * Redistributions in binary form must reproduce the above |
||||||
|
* copyright notice, this list of conditions and the following disclaimer |
||||||
|
* in the documentation and/or other materials provided with the |
||||||
|
* distribution. |
||||||
|
* * Neither the name of Google Inc. nor the names of its |
||||||
|
* contributors may be used to endorse or promote products derived from |
||||||
|
* this software without specific prior written permission. |
||||||
|
* |
||||||
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
||||||
|
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
||||||
|
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
||||||
|
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
||||||
|
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
||||||
|
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
||||||
|
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
||||||
|
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
||||||
|
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
||||||
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
||||||
|
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
||||||
|
* |
||||||
|
*/ |
||||||
|
|
||||||
|
#include "src/core/transport/chttp2/internal.h" |
||||||
|
|
||||||
|
#include <string.h> |
||||||
|
|
||||||
|
#include "src/core/transport/chttp2/http2_errors.h" |
||||||
|
#include "src/core/transport/chttp2/status_conversion.h" |
||||||
|
#include "src/core/transport/chttp2/timeout_encoding.h" |
||||||
|
|
||||||
|
#include <grpc/support/alloc.h> |
||||||
|
#include <grpc/support/log.h> |
||||||
|
|
||||||
|
static int init_frame_parser(grpc_chttp2_transport_parsing *transport_parsing); |
||||||
|
static int init_header_frame_parser( |
||||||
|
grpc_chttp2_transport_parsing *transport_parsing, int is_continuation); |
||||||
|
static int init_data_frame_parser( |
||||||
|
grpc_chttp2_transport_parsing *transport_parsing); |
||||||
|
static int init_rst_stream_parser( |
||||||
|
grpc_chttp2_transport_parsing *transport_parsing); |
||||||
|
static int init_settings_frame_parser( |
||||||
|
grpc_chttp2_transport_parsing *transport_parsing); |
||||||
|
static int init_window_update_frame_parser( |
||||||
|
grpc_chttp2_transport_parsing *transport_parsing); |
||||||
|
static int init_ping_parser(grpc_chttp2_transport_parsing *transport_parsing); |
||||||
|
static int init_goaway_parser(grpc_chttp2_transport_parsing *transport_parsing); |
||||||
|
static int init_skip_frame_parser( |
||||||
|
grpc_chttp2_transport_parsing *transport_parsing, int is_header); |
||||||
|
|
||||||
|
static int parse_frame_slice(grpc_chttp2_transport_parsing *transport_parsing, |
||||||
|
gpr_slice slice, int is_last); |
||||||
|
|
||||||
|
void grpc_chttp2_prepare_to_read( |
||||||
|
grpc_chttp2_transport_global *transport_global, |
||||||
|
grpc_chttp2_transport_parsing *transport_parsing) { |
||||||
|
grpc_chttp2_stream_global *stream_global; |
||||||
|
grpc_chttp2_stream_parsing *stream_parsing; |
||||||
|
|
||||||
|
transport_parsing->next_stream_id = transport_global->next_stream_id; |
||||||
|
|
||||||
|
/* update the parsing view of incoming window */ |
||||||
|
if (transport_parsing->incoming_window != transport_global->incoming_window) { |
||||||
|
GRPC_CHTTP2_FLOWCTL_TRACE_TRANSPORT( |
||||||
|
"parse", transport_parsing, incoming_window, |
||||||
|
(gpr_int64)transport_global->incoming_window - |
||||||
|
(gpr_int64)transport_parsing->incoming_window); |
||||||
|
transport_parsing->incoming_window = transport_global->incoming_window; |
||||||
|
} |
||||||
|
while (grpc_chttp2_list_pop_incoming_window_updated( |
||||||
|
transport_global, transport_parsing, &stream_global, &stream_parsing)) { |
||||||
|
stream_parsing->id = stream_global->id; |
||||||
|
if (stream_parsing->incoming_window != stream_global->incoming_window) { |
||||||
|
GRPC_CHTTP2_FLOWCTL_TRACE_STREAM( |
||||||
|
"parse", transport_parsing, stream_parsing, incoming_window, |
||||||
|
(gpr_int64)stream_global->incoming_window - |
||||||
|
(gpr_int64)stream_parsing->incoming_window); |
||||||
|
stream_parsing->incoming_window = stream_global->incoming_window; |
||||||
|
} |
||||||
|
} |
||||||
|
} |
||||||
|
|
||||||
|
void grpc_chttp2_publish_reads( |
||||||
|
grpc_chttp2_transport_global *transport_global, |
||||||
|
grpc_chttp2_transport_parsing *transport_parsing) { |
||||||
|
grpc_chttp2_stream_global *stream_global; |
||||||
|
grpc_chttp2_stream_parsing *stream_parsing; |
||||||
|
|
||||||
|
/* transport_parsing->last_incoming_stream_id is used as
|
||||||
|
last-grpc_chttp2_stream-id when |
||||||
|
sending GOAWAY frame. |
||||||
|
https://tools.ietf.org/html/draft-ietf-httpbis-http2-17#section-6.8
|
||||||
|
says that last-grpc_chttp2_stream-id is peer-initiated grpc_chttp2_stream |
||||||
|
ID. So, |
||||||
|
since we don't have server pushed streams, client should send |
||||||
|
GOAWAY last-grpc_chttp2_stream-id=0 in this case. */ |
||||||
|
if (!transport_parsing->is_client) { |
||||||
|
transport_global->last_incoming_stream_id = |
||||||
|
transport_parsing->incoming_stream_id; |
||||||
|
} |
||||||
|
|
||||||
|
/* TODO(ctiller): re-implement */ |
||||||
|
GPR_ASSERT(transport_parsing->initial_window_update == 0); |
||||||
|
|
||||||
|
/* copy parsing qbuf to global qbuf */ |
||||||
|
gpr_slice_buffer_move_into(&transport_parsing->qbuf, &transport_global->qbuf); |
||||||
|
|
||||||
|
/* update global settings */ |
||||||
|
if (transport_parsing->settings_updated) { |
||||||
|
memcpy(transport_global->settings[GRPC_PEER_SETTINGS], |
||||||
|
transport_parsing->settings, sizeof(transport_parsing->settings)); |
||||||
|
transport_parsing->settings_updated = 0; |
||||||
|
} |
||||||
|
|
||||||
|
/* update settings based on ack if received */ |
||||||
|
if (transport_parsing->settings_ack_received) { |
||||||
|
memcpy(transport_global->settings[GRPC_ACKED_SETTINGS], |
||||||
|
transport_global->settings[GRPC_SENT_SETTINGS], |
||||||
|
GRPC_CHTTP2_NUM_SETTINGS * sizeof(gpr_uint32)); |
||||||
|
transport_parsing->settings_ack_received = 0; |
||||||
|
} |
||||||
|
|
||||||
|
/* move goaway to the global state if we received one (it will be
|
||||||
|
published later */ |
||||||
|
if (transport_parsing->goaway_received) { |
||||||
|
grpc_chttp2_add_incoming_goaway(transport_global, |
||||||
|
transport_parsing->goaway_error, |
||||||
|
transport_parsing->goaway_text); |
||||||
|
transport_parsing->goaway_text = gpr_empty_slice(); |
||||||
|
transport_parsing->goaway_received = 0; |
||||||
|
} |
||||||
|
|
||||||
|
/* propagate flow control tokens to global state */ |
||||||
|
if (transport_parsing->outgoing_window_update) { |
||||||
|
GRPC_CHTTP2_FLOWCTL_TRACE_TRANSPORT( |
||||||
|
"parsed", transport_global, outgoing_window, |
||||||
|
transport_parsing->outgoing_window_update); |
||||||
|
GRPC_CHTTP2_FLOWCTL_TRACE_TRANSPORT( |
||||||
|
"parsed", transport_parsing, outgoing_window_update, |
||||||
|
-(gpr_int64)transport_parsing->outgoing_window_update); |
||||||
|
transport_global->outgoing_window += |
||||||
|
transport_parsing->outgoing_window_update; |
||||||
|
transport_parsing->outgoing_window_update = 0; |
||||||
|
} |
||||||
|
|
||||||
|
if (transport_parsing->incoming_window_delta) { |
||||||
|
GRPC_CHTTP2_FLOWCTL_TRACE_TRANSPORT( |
||||||
|
"parsed", transport_global, incoming_window, |
||||||
|
-(gpr_int64)transport_parsing->incoming_window_delta); |
||||||
|
GRPC_CHTTP2_FLOWCTL_TRACE_TRANSPORT( |
||||||
|
"parsed", transport_parsing, incoming_window_delta, |
||||||
|
-(gpr_int64)transport_parsing->incoming_window_delta); |
||||||
|
transport_global->incoming_window -= |
||||||
|
transport_parsing->incoming_window_delta; |
||||||
|
transport_parsing->incoming_window_delta = 0; |
||||||
|
} |
||||||
|
|
||||||
|
/* for each stream that saw an update, fixup global state */ |
||||||
|
while (grpc_chttp2_list_pop_parsing_seen_stream( |
||||||
|
transport_global, transport_parsing, &stream_global, &stream_parsing)) { |
||||||
|
/* update incoming flow control window */ |
||||||
|
if (stream_parsing->incoming_window_delta) { |
||||||
|
GRPC_CHTTP2_FLOWCTL_TRACE_STREAM( |
||||||
|
"parsed", transport_parsing, stream_global, incoming_window, |
||||||
|
-(gpr_int64)stream_parsing->incoming_window_delta); |
||||||
|
GRPC_CHTTP2_FLOWCTL_TRACE_STREAM( |
||||||
|
"parsed", transport_parsing, stream_parsing, incoming_window_delta, |
||||||
|
-(gpr_int64)stream_parsing->incoming_window_delta); |
||||||
|
stream_global->incoming_window -= stream_parsing->incoming_window_delta; |
||||||
|
stream_parsing->incoming_window_delta = 0; |
||||||
|
grpc_chttp2_list_add_writable_window_update_stream(transport_global, |
||||||
|
stream_global); |
||||||
|
} |
||||||
|
|
||||||
|
/* update outgoing flow control window */ |
||||||
|
if (stream_parsing->outgoing_window_update) { |
||||||
|
int was_zero = stream_global->outgoing_window <= 0; |
||||||
|
int is_zero; |
||||||
|
GRPC_CHTTP2_FLOWCTL_TRACE_STREAM("parsed", transport_parsing, |
||||||
|
stream_global, outgoing_window, |
||||||
|
stream_parsing->outgoing_window_update); |
||||||
|
GRPC_CHTTP2_FLOWCTL_TRACE_STREAM( |
||||||
|
"parsed", transport_parsing, stream_parsing, outgoing_window_update, |
||||||
|
-(gpr_int64)stream_parsing->outgoing_window_update); |
||||||
|
stream_global->outgoing_window += stream_parsing->outgoing_window_update; |
||||||
|
stream_parsing->outgoing_window_update = 0; |
||||||
|
is_zero = stream_global->outgoing_window <= 0; |
||||||
|
if (was_zero && !is_zero) { |
||||||
|
grpc_chttp2_list_add_writable_stream(transport_global, stream_global); |
||||||
|
} |
||||||
|
} |
||||||
|
|
||||||
|
/* updating closed status */ |
||||||
|
if (stream_parsing->received_close) { |
||||||
|
stream_global->read_closed = 1; |
||||||
|
grpc_chttp2_list_add_read_write_state_changed(transport_global, |
||||||
|
stream_global); |
||||||
|
} |
||||||
|
if (stream_parsing->saw_rst_stream) { |
||||||
|
stream_global->cancelled = 1; |
||||||
|
stream_global->cancelled_status = grpc_chttp2_http2_error_to_grpc_status(stream_parsing->rst_stream_reason); |
||||||
|
if (stream_parsing->rst_stream_reason == GRPC_CHTTP2_NO_ERROR) { |
||||||
|
stream_global->published_cancelled = 1; |
||||||
|
} |
||||||
|
grpc_chttp2_list_add_read_write_state_changed(transport_global, |
||||||
|
stream_global); |
||||||
|
} |
||||||
|
|
||||||
|
/* publish incoming stream ops */ |
||||||
|
if (stream_parsing->data_parser.incoming_sopb.nops > 0) { |
||||||
|
grpc_incoming_metadata_buffer_move_to_referencing_sopb( |
||||||
|
&stream_parsing->incoming_metadata, &stream_global->incoming_metadata, |
||||||
|
&stream_parsing->data_parser.incoming_sopb); |
||||||
|
grpc_sopb_move_to(&stream_parsing->data_parser.incoming_sopb, |
||||||
|
&stream_global->incoming_sopb); |
||||||
|
grpc_chttp2_list_add_read_write_state_changed(transport_global, |
||||||
|
stream_global); |
||||||
|
} |
||||||
|
} |
||||||
|
} |
||||||
|
|
||||||
|
int grpc_chttp2_perform_read(grpc_chttp2_transport_parsing *transport_parsing, |
||||||
|
gpr_slice slice) { |
||||||
|
gpr_uint8 *beg = GPR_SLICE_START_PTR(slice); |
||||||
|
gpr_uint8 *end = GPR_SLICE_END_PTR(slice); |
||||||
|
gpr_uint8 *cur = beg; |
||||||
|
|
||||||
|
if (cur == end) return 1; |
||||||
|
|
||||||
|
switch (transport_parsing->deframe_state) { |
||||||
|
case GRPC_DTS_CLIENT_PREFIX_0: |
||||||
|
case GRPC_DTS_CLIENT_PREFIX_1: |
||||||
|
case GRPC_DTS_CLIENT_PREFIX_2: |
||||||
|
case GRPC_DTS_CLIENT_PREFIX_3: |
||||||
|
case GRPC_DTS_CLIENT_PREFIX_4: |
||||||
|
case GRPC_DTS_CLIENT_PREFIX_5: |
||||||
|
case GRPC_DTS_CLIENT_PREFIX_6: |
||||||
|
case GRPC_DTS_CLIENT_PREFIX_7: |
||||||
|
case GRPC_DTS_CLIENT_PREFIX_8: |
||||||
|
case GRPC_DTS_CLIENT_PREFIX_9: |
||||||
|
case GRPC_DTS_CLIENT_PREFIX_10: |
||||||
|
case GRPC_DTS_CLIENT_PREFIX_11: |
||||||
|
case GRPC_DTS_CLIENT_PREFIX_12: |
||||||
|
case GRPC_DTS_CLIENT_PREFIX_13: |
||||||
|
case GRPC_DTS_CLIENT_PREFIX_14: |
||||||
|
case GRPC_DTS_CLIENT_PREFIX_15: |
||||||
|
case GRPC_DTS_CLIENT_PREFIX_16: |
||||||
|
case GRPC_DTS_CLIENT_PREFIX_17: |
||||||
|
case GRPC_DTS_CLIENT_PREFIX_18: |
||||||
|
case GRPC_DTS_CLIENT_PREFIX_19: |
||||||
|
case GRPC_DTS_CLIENT_PREFIX_20: |
||||||
|
case GRPC_DTS_CLIENT_PREFIX_21: |
||||||
|
case GRPC_DTS_CLIENT_PREFIX_22: |
||||||
|
case GRPC_DTS_CLIENT_PREFIX_23: |
||||||
|
while (cur != end && transport_parsing->deframe_state != GRPC_DTS_FH_0) { |
||||||
|
if (*cur != GRPC_CHTTP2_CLIENT_CONNECT_STRING[transport_parsing |
||||||
|
->deframe_state]) { |
||||||
|
gpr_log(GPR_INFO, |
||||||
|
"Connect string mismatch: expected '%c' (%d) got '%c' (%d) " |
||||||
|
"at byte %d", |
||||||
|
GRPC_CHTTP2_CLIENT_CONNECT_STRING[transport_parsing |
||||||
|
->deframe_state], |
||||||
|
(int)(gpr_uint8)GRPC_CHTTP2_CLIENT_CONNECT_STRING |
||||||
|
[transport_parsing->deframe_state], |
||||||
|
*cur, (int)*cur, transport_parsing->deframe_state); |
||||||
|
return 0; |
||||||
|
} |
||||||
|
++cur; |
||||||
|
++transport_parsing->deframe_state; |
||||||
|
} |
||||||
|
if (cur == end) { |
||||||
|
return 1; |
||||||
|
} |
||||||
|
/* fallthrough */ |
||||||
|
dts_fh_0: |
||||||
|
case GRPC_DTS_FH_0: |
||||||
|
GPR_ASSERT(cur < end); |
||||||
|
transport_parsing->incoming_frame_size = ((gpr_uint32)*cur) << 16; |
||||||
|
if (++cur == end) { |
||||||
|
transport_parsing->deframe_state = GRPC_DTS_FH_1; |
||||||
|
return 1; |
||||||
|
} |
||||||
|
/* fallthrough */ |
||||||
|
case GRPC_DTS_FH_1: |
||||||
|
GPR_ASSERT(cur < end); |
||||||
|
transport_parsing->incoming_frame_size |= ((gpr_uint32)*cur) << 8; |
||||||
|
if (++cur == end) { |
||||||
|
transport_parsing->deframe_state = GRPC_DTS_FH_2; |
||||||
|
return 1; |
||||||
|
} |
||||||
|
/* fallthrough */ |
||||||
|
case GRPC_DTS_FH_2: |
||||||
|
GPR_ASSERT(cur < end); |
||||||
|
transport_parsing->incoming_frame_size |= *cur; |
||||||
|
if (++cur == end) { |
||||||
|
transport_parsing->deframe_state = GRPC_DTS_FH_3; |
||||||
|
return 1; |
||||||
|
} |
||||||
|
/* fallthrough */ |
||||||
|
case GRPC_DTS_FH_3: |
||||||
|
GPR_ASSERT(cur < end); |
||||||
|
transport_parsing->incoming_frame_type = *cur; |
||||||
|
if (++cur == end) { |
||||||
|
transport_parsing->deframe_state = GRPC_DTS_FH_4; |
||||||
|
return 1; |
||||||
|
} |
||||||
|
/* fallthrough */ |
||||||
|
case GRPC_DTS_FH_4: |
||||||
|
GPR_ASSERT(cur < end); |
||||||
|
transport_parsing->incoming_frame_flags = *cur; |
||||||
|
if (++cur == end) { |
||||||
|
transport_parsing->deframe_state = GRPC_DTS_FH_5; |
||||||
|
return 1; |
||||||
|
} |
||||||
|
/* fallthrough */ |
||||||
|
case GRPC_DTS_FH_5: |
||||||
|
GPR_ASSERT(cur < end); |
||||||
|
transport_parsing->incoming_stream_id = (((gpr_uint32)*cur) & 0x7f) << 24; |
||||||
|
if (++cur == end) { |
||||||
|
transport_parsing->deframe_state = GRPC_DTS_FH_6; |
||||||
|
return 1; |
||||||
|
} |
||||||
|
/* fallthrough */ |
||||||
|
case GRPC_DTS_FH_6: |
||||||
|
GPR_ASSERT(cur < end); |
||||||
|
transport_parsing->incoming_stream_id |= ((gpr_uint32)*cur) << 16; |
||||||
|
if (++cur == end) { |
||||||
|
transport_parsing->deframe_state = GRPC_DTS_FH_7; |
||||||
|
return 1; |
||||||
|
} |
||||||
|
/* fallthrough */ |
||||||
|
case GRPC_DTS_FH_7: |
||||||
|
GPR_ASSERT(cur < end); |
||||||
|
transport_parsing->incoming_stream_id |= ((gpr_uint32)*cur) << 8; |
||||||
|
if (++cur == end) { |
||||||
|
transport_parsing->deframe_state = GRPC_DTS_FH_8; |
||||||
|
return 1; |
||||||
|
} |
||||||
|
/* fallthrough */ |
||||||
|
case GRPC_DTS_FH_8: |
||||||
|
GPR_ASSERT(cur < end); |
||||||
|
transport_parsing->incoming_stream_id |= ((gpr_uint32)*cur); |
||||||
|
transport_parsing->deframe_state = GRPC_DTS_FRAME; |
||||||
|
if (!init_frame_parser(transport_parsing)) { |
||||||
|
return 0; |
||||||
|
} |
||||||
|
if (transport_parsing->incoming_stream_id) { |
||||||
|
transport_parsing->last_incoming_stream_id = |
||||||
|
transport_parsing->incoming_stream_id; |
||||||
|
} |
||||||
|
if (transport_parsing->incoming_frame_size == 0) { |
||||||
|
if (!parse_frame_slice(transport_parsing, gpr_empty_slice(), 1)) { |
||||||
|
return 0; |
||||||
|
} |
||||||
|
transport_parsing->incoming_stream = NULL; |
||||||
|
if (++cur == end) { |
||||||
|
transport_parsing->deframe_state = GRPC_DTS_FH_0; |
||||||
|
return 1; |
||||||
|
} |
||||||
|
goto dts_fh_0; /* loop */ |
||||||
|
} |
||||||
|
if (++cur == end) { |
||||||
|
return 1; |
||||||
|
} |
||||||
|
/* fallthrough */ |
||||||
|
case GRPC_DTS_FRAME: |
||||||
|
GPR_ASSERT(cur < end); |
||||||
|
if ((gpr_uint32)(end - cur) == transport_parsing->incoming_frame_size) { |
||||||
|
if (!parse_frame_slice( |
||||||
|
transport_parsing, |
||||||
|
gpr_slice_sub_no_ref(slice, cur - beg, end - beg), 1)) { |
||||||
|
return 0; |
||||||
|
} |
||||||
|
transport_parsing->deframe_state = GRPC_DTS_FH_0; |
||||||
|
transport_parsing->incoming_stream = NULL; |
||||||
|
return 1; |
||||||
|
} else if ((gpr_uint32)(end - cur) > |
||||||
|
transport_parsing->incoming_frame_size) { |
||||||
|
if (!parse_frame_slice( |
||||||
|
transport_parsing, |
||||||
|
gpr_slice_sub_no_ref( |
||||||
|
slice, cur - beg, |
||||||
|
cur + transport_parsing->incoming_frame_size - beg), |
||||||
|
1)) { |
||||||
|
return 0; |
||||||
|
} |
||||||
|
cur += transport_parsing->incoming_frame_size; |
||||||
|
transport_parsing->incoming_stream = NULL; |
||||||
|
goto dts_fh_0; /* loop */ |
||||||
|
} else { |
||||||
|
if (!parse_frame_slice( |
||||||
|
transport_parsing, |
||||||
|
gpr_slice_sub_no_ref(slice, cur - beg, end - beg), 0)) { |
||||||
|
return 0; |
||||||
|
} |
||||||
|
transport_parsing->incoming_frame_size -= (end - cur); |
||||||
|
return 1; |
||||||
|
} |
||||||
|
gpr_log(GPR_ERROR, "should never reach here"); |
||||||
|
abort(); |
||||||
|
} |
||||||
|
|
||||||
|
gpr_log(GPR_ERROR, "should never reach here"); |
||||||
|
abort(); |
||||||
|
|
||||||
|
return 0; |
||||||
|
} |
||||||
|
|
||||||
|
static int init_frame_parser(grpc_chttp2_transport_parsing *transport_parsing) { |
||||||
|
if (transport_parsing->expect_continuation_stream_id != 0) { |
||||||
|
if (transport_parsing->incoming_frame_type != |
||||||
|
GRPC_CHTTP2_FRAME_CONTINUATION) { |
||||||
|
gpr_log(GPR_ERROR, "Expected CONTINUATION frame, got frame type %02x", |
||||||
|
transport_parsing->incoming_frame_type); |
||||||
|
return 0; |
||||||
|
} |
||||||
|
if (transport_parsing->expect_continuation_stream_id != |
||||||
|
transport_parsing->incoming_stream_id) { |
||||||
|
gpr_log(GPR_ERROR, |
||||||
|
"Expected CONTINUATION frame for grpc_chttp2_stream %08x, got " |
||||||
|
"grpc_chttp2_stream %08x", |
||||||
|
transport_parsing->expect_continuation_stream_id, |
||||||
|
transport_parsing->incoming_stream_id); |
||||||
|
return 0; |
||||||
|
} |
||||||
|
return init_header_frame_parser(transport_parsing, 1); |
||||||
|
} |
||||||
|
switch (transport_parsing->incoming_frame_type) { |
||||||
|
case GRPC_CHTTP2_FRAME_DATA: |
||||||
|
return init_data_frame_parser(transport_parsing); |
||||||
|
case GRPC_CHTTP2_FRAME_HEADER: |
||||||
|
return init_header_frame_parser(transport_parsing, 0); |
||||||
|
case GRPC_CHTTP2_FRAME_CONTINUATION: |
||||||
|
gpr_log(GPR_ERROR, "Unexpected CONTINUATION frame"); |
||||||
|
return 0; |
||||||
|
case GRPC_CHTTP2_FRAME_RST_STREAM: |
||||||
|
return init_rst_stream_parser(transport_parsing); |
||||||
|
case GRPC_CHTTP2_FRAME_SETTINGS: |
||||||
|
return init_settings_frame_parser(transport_parsing); |
||||||
|
case GRPC_CHTTP2_FRAME_WINDOW_UPDATE: |
||||||
|
return init_window_update_frame_parser(transport_parsing); |
||||||
|
case GRPC_CHTTP2_FRAME_PING: |
||||||
|
return init_ping_parser(transport_parsing); |
||||||
|
case GRPC_CHTTP2_FRAME_GOAWAY: |
||||||
|
return init_goaway_parser(transport_parsing); |
||||||
|
default: |
||||||
|
gpr_log(GPR_ERROR, "Unknown frame type %02x", |
||||||
|
transport_parsing->incoming_frame_type); |
||||||
|
return init_skip_frame_parser(transport_parsing, 0); |
||||||
|
} |
||||||
|
} |
||||||
|
|
||||||
|
static grpc_chttp2_parse_error skip_parser( |
||||||
|
void *parser, grpc_chttp2_transport_parsing *transport_parsing, |
||||||
|
grpc_chttp2_stream_parsing *stream_parsing, gpr_slice slice, int is_last) { |
||||||
|
return GRPC_CHTTP2_PARSE_OK; |
||||||
|
} |
||||||
|
|
||||||
|
static void skip_header(void *tp, grpc_mdelem *md) { grpc_mdelem_unref(md); } |
||||||
|
|
||||||
|
static int init_skip_frame_parser( |
||||||
|
grpc_chttp2_transport_parsing *transport_parsing, int is_header) { |
||||||
|
if (is_header) { |
||||||
|
int is_eoh = transport_parsing->expect_continuation_stream_id != 0; |
||||||
|
transport_parsing->parser = grpc_chttp2_header_parser_parse; |
||||||
|
transport_parsing->parser_data = &transport_parsing->hpack_parser; |
||||||
|
transport_parsing->hpack_parser.on_header = skip_header; |
||||||
|
transport_parsing->hpack_parser.on_header_user_data = NULL; |
||||||
|
transport_parsing->hpack_parser.is_boundary = is_eoh; |
||||||
|
transport_parsing->hpack_parser.is_eof = |
||||||
|
is_eoh ? transport_parsing->header_eof : 0; |
||||||
|
} else { |
||||||
|
transport_parsing->parser = skip_parser; |
||||||
|
} |
||||||
|
return 1; |
||||||
|
} |
||||||
|
|
||||||
|
void grpc_chttp2_parsing_become_skip_parser( |
||||||
|
grpc_chttp2_transport_parsing *transport_parsing) { |
||||||
|
init_skip_frame_parser( |
||||||
|
transport_parsing, |
||||||
|
transport_parsing->parser == grpc_chttp2_header_parser_parse); |
||||||
|
} |
||||||
|
|
||||||
|
static grpc_chttp2_parse_error update_incoming_window( |
||||||
|
grpc_chttp2_transport_parsing *transport_parsing, |
||||||
|
grpc_chttp2_stream_parsing *stream_parsing) { |
||||||
|
if (transport_parsing->incoming_frame_size > |
||||||
|
transport_parsing->incoming_window) { |
||||||
|
gpr_log(GPR_ERROR, "frame of size %d overflows incoming window of %d", |
||||||
|
transport_parsing->incoming_frame_size, |
||||||
|
transport_parsing->incoming_window); |
||||||
|
return GRPC_CHTTP2_CONNECTION_ERROR; |
||||||
|
} |
||||||
|
|
||||||
|
if (transport_parsing->incoming_frame_size > |
||||||
|
stream_parsing->incoming_window) { |
||||||
|
gpr_log(GPR_ERROR, "frame of size %d overflows incoming window of %d", |
||||||
|
transport_parsing->incoming_frame_size, |
||||||
|
stream_parsing->incoming_window); |
||||||
|
return GRPC_CHTTP2_CONNECTION_ERROR; |
||||||
|
} |
||||||
|
|
||||||
|
GRPC_CHTTP2_FLOWCTL_TRACE_TRANSPORT( |
||||||
|
"data", transport_parsing, incoming_window, |
||||||
|
-(gpr_int64)transport_parsing->incoming_frame_size); |
||||||
|
GRPC_CHTTP2_FLOWCTL_TRACE_TRANSPORT("data", transport_parsing, |
||||||
|
incoming_window_delta, |
||||||
|
transport_parsing->incoming_frame_size); |
||||||
|
GRPC_CHTTP2_FLOWCTL_TRACE_STREAM( |
||||||
|
"data", transport_parsing, stream_parsing, incoming_window, |
||||||
|
-(gpr_int64)transport_parsing->incoming_frame_size); |
||||||
|
GRPC_CHTTP2_FLOWCTL_TRACE_STREAM("data", transport_parsing, stream_parsing, |
||||||
|
incoming_window_delta, |
||||||
|
transport_parsing->incoming_frame_size); |
||||||
|
|
||||||
|
transport_parsing->incoming_window -= transport_parsing->incoming_frame_size; |
||||||
|
transport_parsing->incoming_window_delta += |
||||||
|
transport_parsing->incoming_frame_size; |
||||||
|
stream_parsing->incoming_window -= transport_parsing->incoming_frame_size; |
||||||
|
stream_parsing->incoming_window_delta += |
||||||
|
transport_parsing->incoming_frame_size; |
||||||
|
grpc_chttp2_list_add_parsing_seen_stream(transport_parsing, stream_parsing); |
||||||
|
|
||||||
|
return GRPC_CHTTP2_PARSE_OK; |
||||||
|
} |
||||||
|
|
||||||
|
static int init_data_frame_parser( |
||||||
|
grpc_chttp2_transport_parsing *transport_parsing) { |
||||||
|
grpc_chttp2_stream_parsing *stream_parsing = |
||||||
|
grpc_chttp2_parsing_lookup_stream(transport_parsing, |
||||||
|
transport_parsing->incoming_stream_id); |
||||||
|
grpc_chttp2_parse_error err = GRPC_CHTTP2_PARSE_OK; |
||||||
|
if (!stream_parsing || stream_parsing->received_close) |
||||||
|
return init_skip_frame_parser(transport_parsing, 0); |
||||||
|
if (err == GRPC_CHTTP2_PARSE_OK) { |
||||||
|
err = update_incoming_window(transport_parsing, stream_parsing); |
||||||
|
} |
||||||
|
if (err == GRPC_CHTTP2_PARSE_OK) { |
||||||
|
err = grpc_chttp2_data_parser_begin_frame( |
||||||
|
&stream_parsing->data_parser, transport_parsing->incoming_frame_flags); |
||||||
|
} |
||||||
|
switch (err) { |
||||||
|
case GRPC_CHTTP2_PARSE_OK: |
||||||
|
transport_parsing->incoming_stream = stream_parsing; |
||||||
|
transport_parsing->parser = grpc_chttp2_data_parser_parse; |
||||||
|
transport_parsing->parser_data = &stream_parsing->data_parser; |
||||||
|
return 1; |
||||||
|
case GRPC_CHTTP2_STREAM_ERROR: |
||||||
|
stream_parsing->received_close = 1; |
||||||
|
stream_parsing->saw_rst_stream = 1; |
||||||
|
stream_parsing->rst_stream_reason = GRPC_CHTTP2_PROTOCOL_ERROR; |
||||||
|
gpr_slice_buffer_add( |
||||||
|
&transport_parsing->qbuf, |
||||||
|
grpc_chttp2_rst_stream_create(transport_parsing->incoming_stream_id, |
||||||
|
GRPC_CHTTP2_PROTOCOL_ERROR)); |
||||||
|
return init_skip_frame_parser(transport_parsing, 0); |
||||||
|
case GRPC_CHTTP2_CONNECTION_ERROR: |
||||||
|
return 0; |
||||||
|
} |
||||||
|
gpr_log(GPR_ERROR, "should never reach here"); |
||||||
|
abort(); |
||||||
|
return 0; |
||||||
|
} |
||||||
|
|
||||||
|
static void free_timeout(void *p) { gpr_free(p); } |
||||||
|
|
||||||
|
static void on_header(void *tp, grpc_mdelem *md) { |
||||||
|
grpc_chttp2_transport_parsing *transport_parsing = tp; |
||||||
|
grpc_chttp2_stream_parsing *stream_parsing = |
||||||
|
transport_parsing->incoming_stream; |
||||||
|
|
||||||
|
GPR_ASSERT(stream_parsing); |
||||||
|
|
||||||
|
GRPC_CHTTP2_IF_TRACING(gpr_log( |
||||||
|
GPR_INFO, "HTTP:%d:HDR: %s: %s", stream_parsing->id, |
||||||
|
transport_parsing->is_client ? "CLI" : "SVR", |
||||||
|
grpc_mdstr_as_c_string(md->key), grpc_mdstr_as_c_string(md->value))); |
||||||
|
|
||||||
|
if (md->key == transport_parsing->str_grpc_timeout) { |
||||||
|
gpr_timespec *cached_timeout = grpc_mdelem_get_user_data(md, free_timeout); |
||||||
|
if (!cached_timeout) { |
||||||
|
/* not already parsed: parse it now, and store the result away */ |
||||||
|
cached_timeout = gpr_malloc(sizeof(gpr_timespec)); |
||||||
|
if (!grpc_chttp2_decode_timeout(grpc_mdstr_as_c_string(md->value), |
||||||
|
cached_timeout)) { |
||||||
|
gpr_log(GPR_ERROR, "Ignoring bad timeout value '%s'", |
||||||
|
grpc_mdstr_as_c_string(md->value)); |
||||||
|
*cached_timeout = gpr_inf_future; |
||||||
|
} |
||||||
|
grpc_mdelem_set_user_data(md, free_timeout, cached_timeout); |
||||||
|
} |
||||||
|
grpc_chttp2_incoming_metadata_buffer_set_deadline( |
||||||
|
&stream_parsing->incoming_metadata, |
||||||
|
gpr_time_add(gpr_now(), *cached_timeout)); |
||||||
|
grpc_mdelem_unref(md); |
||||||
|
} else { |
||||||
|
grpc_chttp2_incoming_metadata_buffer_add(&stream_parsing->incoming_metadata, |
||||||
|
md); |
||||||
|
} |
||||||
|
|
||||||
|
grpc_chttp2_list_add_parsing_seen_stream(transport_parsing, stream_parsing); |
||||||
|
} |
||||||
|
|
||||||
|
static int init_header_frame_parser( |
||||||
|
grpc_chttp2_transport_parsing *transport_parsing, int is_continuation) { |
||||||
|
int is_eoh = (transport_parsing->incoming_frame_flags & |
||||||
|
GRPC_CHTTP2_DATA_FLAG_END_HEADERS) != 0; |
||||||
|
int via_accept = 0; |
||||||
|
grpc_chttp2_stream_parsing *stream_parsing; |
||||||
|
|
||||||
|
if (is_eoh) { |
||||||
|
transport_parsing->expect_continuation_stream_id = 0; |
||||||
|
} else { |
||||||
|
transport_parsing->expect_continuation_stream_id = |
||||||
|
transport_parsing->incoming_stream_id; |
||||||
|
} |
||||||
|
|
||||||
|
if (!is_continuation) { |
||||||
|
transport_parsing->header_eof = (transport_parsing->incoming_frame_flags & |
||||||
|
GRPC_CHTTP2_DATA_FLAG_END_STREAM) != 0; |
||||||
|
} |
||||||
|
|
||||||
|
/* could be a new grpc_chttp2_stream or an existing grpc_chttp2_stream */ |
||||||
|
stream_parsing = grpc_chttp2_parsing_lookup_stream( |
||||||
|
transport_parsing, transport_parsing->incoming_stream_id); |
||||||
|
if (stream_parsing == NULL) { |
||||||
|
if (is_continuation) { |
||||||
|
gpr_log(GPR_ERROR, |
||||||
|
"grpc_chttp2_stream disbanded before CONTINUATION received"); |
||||||
|
return init_skip_frame_parser(transport_parsing, 1); |
||||||
|
} |
||||||
|
if (transport_parsing->is_client) { |
||||||
|
if ((transport_parsing->incoming_stream_id & 1) && |
||||||
|
transport_parsing->incoming_stream_id < |
||||||
|
transport_parsing->next_stream_id) { |
||||||
|
/* this is an old (probably cancelled) grpc_chttp2_stream */ |
||||||
|
} else { |
||||||
|
gpr_log(GPR_ERROR, |
||||||
|
"ignoring new grpc_chttp2_stream creation on client"); |
||||||
|
} |
||||||
|
return init_skip_frame_parser(transport_parsing, 1); |
||||||
|
} else if (transport_parsing->last_incoming_stream_id > |
||||||
|
transport_parsing->incoming_stream_id) { |
||||||
|
gpr_log(GPR_ERROR, |
||||||
|
"ignoring out of order new grpc_chttp2_stream request on server; " |
||||||
|
"last grpc_chttp2_stream " |
||||||
|
"id=%d, new grpc_chttp2_stream id=%d", |
||||||
|
transport_parsing->last_incoming_stream_id, |
||||||
|
transport_parsing->incoming_stream_id); |
||||||
|
return init_skip_frame_parser(transport_parsing, 1); |
||||||
|
} else if ((transport_parsing->incoming_stream_id & 1) == 0) { |
||||||
|
gpr_log(GPR_ERROR, |
||||||
|
"ignoring grpc_chttp2_stream with non-client generated index %d", |
||||||
|
transport_parsing->incoming_stream_id); |
||||||
|
return init_skip_frame_parser(transport_parsing, 1); |
||||||
|
} |
||||||
|
stream_parsing = transport_parsing->incoming_stream = |
||||||
|
grpc_chttp2_parsing_accept_stream( |
||||||
|
transport_parsing, transport_parsing->incoming_stream_id); |
||||||
|
if (stream_parsing == NULL) { |
||||||
|
gpr_log(GPR_ERROR, "grpc_chttp2_stream not accepted"); |
||||||
|
return init_skip_frame_parser(transport_parsing, 1); |
||||||
|
} |
||||||
|
via_accept = 1; |
||||||
|
} else { |
||||||
|
transport_parsing->incoming_stream = stream_parsing; |
||||||
|
} |
||||||
|
GPR_ASSERT(stream_parsing != NULL && (via_accept == 0 || via_accept == 1)); |
||||||
|
if (stream_parsing->received_close) { |
||||||
|
gpr_log(GPR_ERROR, "skipping already closed grpc_chttp2_stream header"); |
||||||
|
transport_parsing->incoming_stream = NULL; |
||||||
|
return init_skip_frame_parser(transport_parsing, 1); |
||||||
|
} |
||||||
|
transport_parsing->parser = grpc_chttp2_header_parser_parse; |
||||||
|
transport_parsing->parser_data = &transport_parsing->hpack_parser; |
||||||
|
transport_parsing->hpack_parser.on_header = on_header; |
||||||
|
transport_parsing->hpack_parser.on_header_user_data = transport_parsing; |
||||||
|
transport_parsing->hpack_parser.is_boundary = is_eoh; |
||||||
|
transport_parsing->hpack_parser.is_eof = |
||||||
|
is_eoh ? transport_parsing->header_eof : 0; |
||||||
|
if (!is_continuation && (transport_parsing->incoming_frame_flags & |
||||||
|
GRPC_CHTTP2_FLAG_HAS_PRIORITY)) { |
||||||
|
grpc_chttp2_hpack_parser_set_has_priority(&transport_parsing->hpack_parser); |
||||||
|
} |
||||||
|
return 1; |
||||||
|
} |
||||||
|
|
||||||
|
static int init_window_update_frame_parser( |
||||||
|
grpc_chttp2_transport_parsing *transport_parsing) { |
||||||
|
int ok = GRPC_CHTTP2_PARSE_OK == grpc_chttp2_window_update_parser_begin_frame( |
||||||
|
&transport_parsing->simple.window_update, |
||||||
|
transport_parsing->incoming_frame_size, |
||||||
|
transport_parsing->incoming_frame_flags); |
||||||
|
if (transport_parsing->incoming_stream_id) { |
||||||
|
transport_parsing->incoming_stream = grpc_chttp2_parsing_lookup_stream( |
||||||
|
transport_parsing, transport_parsing->incoming_stream_id); |
||||||
|
} |
||||||
|
transport_parsing->parser = grpc_chttp2_window_update_parser_parse; |
||||||
|
transport_parsing->parser_data = &transport_parsing->simple.window_update; |
||||||
|
return ok; |
||||||
|
} |
||||||
|
|
||||||
|
static int init_ping_parser(grpc_chttp2_transport_parsing *transport_parsing) { |
||||||
|
int ok = GRPC_CHTTP2_PARSE_OK == grpc_chttp2_ping_parser_begin_frame( |
||||||
|
&transport_parsing->simple.ping, |
||||||
|
transport_parsing->incoming_frame_size, |
||||||
|
transport_parsing->incoming_frame_flags); |
||||||
|
transport_parsing->parser = grpc_chttp2_ping_parser_parse; |
||||||
|
transport_parsing->parser_data = &transport_parsing->simple.ping; |
||||||
|
return ok; |
||||||
|
} |
||||||
|
|
||||||
|
static int init_rst_stream_parser( |
||||||
|
grpc_chttp2_transport_parsing *transport_parsing) { |
||||||
|
int ok = GRPC_CHTTP2_PARSE_OK == grpc_chttp2_rst_stream_parser_begin_frame( |
||||||
|
&transport_parsing->simple.rst_stream, |
||||||
|
transport_parsing->incoming_frame_size, |
||||||
|
transport_parsing->incoming_frame_flags); |
||||||
|
transport_parsing->incoming_stream = grpc_chttp2_parsing_lookup_stream( |
||||||
|
transport_parsing, transport_parsing->incoming_stream_id); |
||||||
|
if (!transport_parsing->incoming_stream) { |
||||||
|
return init_skip_frame_parser(transport_parsing, 0); |
||||||
|
} |
||||||
|
transport_parsing->parser = grpc_chttp2_rst_stream_parser_parse; |
||||||
|
transport_parsing->parser_data = &transport_parsing->simple.rst_stream; |
||||||
|
return ok; |
||||||
|
} |
||||||
|
|
||||||
|
static int init_goaway_parser( |
||||||
|
grpc_chttp2_transport_parsing *transport_parsing) { |
||||||
|
int ok = GRPC_CHTTP2_PARSE_OK == grpc_chttp2_goaway_parser_begin_frame( |
||||||
|
&transport_parsing->goaway_parser, |
||||||
|
transport_parsing->incoming_frame_size, |
||||||
|
transport_parsing->incoming_frame_flags); |
||||||
|
transport_parsing->parser = grpc_chttp2_goaway_parser_parse; |
||||||
|
transport_parsing->parser_data = &transport_parsing->goaway_parser; |
||||||
|
return ok; |
||||||
|
} |
||||||
|
|
||||||
|
static int init_settings_frame_parser( |
||||||
|
grpc_chttp2_transport_parsing *transport_parsing) { |
||||||
|
int ok; |
||||||
|
|
||||||
|
if (transport_parsing->incoming_stream_id != 0) { |
||||||
|
gpr_log(GPR_ERROR, "settings frame received for grpc_chttp2_stream %d", |
||||||
|
transport_parsing->incoming_stream_id); |
||||||
|
return 0; |
||||||
|
} |
||||||
|
|
||||||
|
ok = GRPC_CHTTP2_PARSE_OK == grpc_chttp2_settings_parser_begin_frame( |
||||||
|
&transport_parsing->simple.settings, |
||||||
|
transport_parsing->incoming_frame_size, |
||||||
|
transport_parsing->incoming_frame_flags, |
||||||
|
transport_parsing->settings); |
||||||
|
if (!ok) { |
||||||
|
return 0; |
||||||
|
} |
||||||
|
if (transport_parsing->incoming_frame_flags & GRPC_CHTTP2_FLAG_ACK) { |
||||||
|
transport_parsing->settings_ack_received = 1; |
||||||
|
} |
||||||
|
transport_parsing->parser = grpc_chttp2_settings_parser_parse; |
||||||
|
transport_parsing->parser_data = &transport_parsing->simple.settings; |
||||||
|
return ok; |
||||||
|
} |
||||||
|
|
||||||
|
/*
|
||||||
|
static int is_window_update_legal(gpr_int64 window_update, gpr_int64 window) { |
||||||
|
return window + window_update < MAX_WINDOW; |
||||||
|
} |
||||||
|
*/ |
||||||
|
|
||||||
|
static int parse_frame_slice(grpc_chttp2_transport_parsing *transport_parsing, |
||||||
|
gpr_slice slice, int is_last) { |
||||||
|
grpc_chttp2_stream_parsing *stream_parsing = |
||||||
|
transport_parsing->incoming_stream; |
||||||
|
switch (transport_parsing->parser(transport_parsing->parser_data, |
||||||
|
transport_parsing, stream_parsing, slice, |
||||||
|
is_last)) { |
||||||
|
case GRPC_CHTTP2_PARSE_OK: |
||||||
|
if (stream_parsing) { |
||||||
|
grpc_chttp2_list_add_parsing_seen_stream(transport_parsing, |
||||||
|
stream_parsing); |
||||||
|
} |
||||||
|
return 1; |
||||||
|
case GRPC_CHTTP2_STREAM_ERROR: |
||||||
|
grpc_chttp2_parsing_become_skip_parser(transport_parsing); |
||||||
|
if (stream_parsing) { |
||||||
|
stream_parsing->saw_rst_stream = 1; |
||||||
|
stream_parsing->rst_stream_reason = GRPC_CHTTP2_PROTOCOL_ERROR; |
||||||
|
gpr_slice_buffer_add( |
||||||
|
&transport_parsing->qbuf, |
||||||
|
grpc_chttp2_rst_stream_create(transport_parsing->incoming_stream_id, |
||||||
|
GRPC_CHTTP2_PROTOCOL_ERROR)); |
||||||
|
} |
||||||
|
return 1; |
||||||
|
case GRPC_CHTTP2_CONNECTION_ERROR: |
||||||
|
return 0; |
||||||
|
} |
||||||
|
gpr_log(GPR_ERROR, "should never reach here"); |
||||||
|
abort(); |
||||||
|
return 0; |
||||||
|
} |
||||||
@ -0,0 +1,352 @@ |
|||||||
|
/*
|
||||||
|
* |
||||||
|
* Copyright 2015, Google Inc. |
||||||
|
* All rights reserved. |
||||||
|
* |
||||||
|
* Redistribution and use in source and binary forms, with or without |
||||||
|
* modification, are permitted provided that the following conditions are |
||||||
|
* met: |
||||||
|
* |
||||||
|
* * Redistributions of source code must retain the above copyright |
||||||
|
* notice, this list of conditions and the following disclaimer. |
||||||
|
* * Redistributions in binary form must reproduce the above |
||||||
|
* copyright notice, this list of conditions and the following disclaimer |
||||||
|
* in the documentation and/or other materials provided with the |
||||||
|
* distribution. |
||||||
|
* * Neither the name of Google Inc. nor the names of its |
||||||
|
* contributors may be used to endorse or promote products derived from |
||||||
|
* this software without specific prior written permission. |
||||||
|
* |
||||||
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
||||||
|
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
||||||
|
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
||||||
|
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
||||||
|
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
||||||
|
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
||||||
|
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
||||||
|
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
||||||
|
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
||||||
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
||||||
|
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
||||||
|
* |
||||||
|
*/ |
||||||
|
|
||||||
|
#include "src/core/transport/chttp2/internal.h" |
||||||
|
|
||||||
|
#include <grpc/support/log.h> |
||||||
|
|
||||||
|
#define TRANSPORT_FROM_GLOBAL(tg) \ |
||||||
|
((grpc_chttp2_transport *)((char *)(tg)-offsetof(grpc_chttp2_transport, \
|
||||||
|
global))) |
||||||
|
|
||||||
|
#define STREAM_FROM_GLOBAL(sg) \ |
||||||
|
((grpc_chttp2_stream *)((char *)(sg)-offsetof(grpc_chttp2_stream, global))) |
||||||
|
|
||||||
|
#define TRANSPORT_FROM_WRITING(tw) \ |
||||||
|
((grpc_chttp2_transport *)((char *)(tw)-offsetof(grpc_chttp2_transport, \
|
||||||
|
writing))) |
||||||
|
|
||||||
|
#define STREAM_FROM_WRITING(sw) \ |
||||||
|
((grpc_chttp2_stream *)((char *)(sw)-offsetof(grpc_chttp2_stream, writing))) |
||||||
|
|
||||||
|
#define TRANSPORT_FROM_PARSING(tp) \ |
||||||
|
((grpc_chttp2_transport *)((char *)(tp)-offsetof(grpc_chttp2_transport, \
|
||||||
|
parsing))) |
||||||
|
|
||||||
|
#define STREAM_FROM_PARSING(sp) \ |
||||||
|
((grpc_chttp2_stream *)((char *)(sp)-offsetof(grpc_chttp2_stream, parsing))) |
||||||
|
|
||||||
|
/* core list management */ |
||||||
|
|
||||||
|
static int stream_list_empty(grpc_chttp2_transport *t, |
||||||
|
grpc_chttp2_stream_list_id id) { |
||||||
|
return t->lists[id].head == NULL; |
||||||
|
} |
||||||
|
|
||||||
|
static int stream_list_pop(grpc_chttp2_transport *t, |
||||||
|
grpc_chttp2_stream **stream, |
||||||
|
grpc_chttp2_stream_list_id id) { |
||||||
|
grpc_chttp2_stream *s = t->lists[id].head; |
||||||
|
if (s) { |
||||||
|
grpc_chttp2_stream *new_head = s->links[id].next; |
||||||
|
GPR_ASSERT(s->included[id]); |
||||||
|
if (new_head) { |
||||||
|
t->lists[id].head = new_head; |
||||||
|
new_head->links[id].prev = NULL; |
||||||
|
} else { |
||||||
|
t->lists[id].head = NULL; |
||||||
|
t->lists[id].tail = NULL; |
||||||
|
} |
||||||
|
s->included[id] = 0; |
||||||
|
} |
||||||
|
*stream = s; |
||||||
|
return s != 0; |
||||||
|
} |
||||||
|
|
||||||
|
static void stream_list_remove(grpc_chttp2_transport *t, grpc_chttp2_stream *s, |
||||||
|
grpc_chttp2_stream_list_id id) { |
||||||
|
GPR_ASSERT(s->included[id]); |
||||||
|
s->included[id] = 0; |
||||||
|
if (s->links[id].prev) { |
||||||
|
s->links[id].prev->links[id].next = s->links[id].next; |
||||||
|
} else { |
||||||
|
GPR_ASSERT(t->lists[id].head == s); |
||||||
|
t->lists[id].head = s->links[id].next; |
||||||
|
} |
||||||
|
if (s->links[id].next) { |
||||||
|
s->links[id].next->links[id].prev = s->links[id].prev; |
||||||
|
} else { |
||||||
|
t->lists[id].tail = s->links[id].prev; |
||||||
|
} |
||||||
|
} |
||||||
|
|
||||||
|
static void stream_list_maybe_remove(grpc_chttp2_transport *t, |
||||||
|
grpc_chttp2_stream *s, |
||||||
|
grpc_chttp2_stream_list_id id) { |
||||||
|
if (s->included[id]) { |
||||||
|
stream_list_remove(t, s, id); |
||||||
|
} |
||||||
|
} |
||||||
|
|
||||||
|
static void stream_list_add_tail(grpc_chttp2_transport *t, |
||||||
|
grpc_chttp2_stream *s, |
||||||
|
grpc_chttp2_stream_list_id id) { |
||||||
|
grpc_chttp2_stream *old_tail; |
||||||
|
GPR_ASSERT(!s->included[id]); |
||||||
|
old_tail = t->lists[id].tail; |
||||||
|
s->links[id].next = NULL; |
||||||
|
s->links[id].prev = old_tail; |
||||||
|
if (old_tail) { |
||||||
|
old_tail->links[id].next = s; |
||||||
|
} else { |
||||||
|
s->links[id].prev = NULL; |
||||||
|
t->lists[id].head = s; |
||||||
|
} |
||||||
|
t->lists[id].tail = s; |
||||||
|
s->included[id] = 1; |
||||||
|
} |
||||||
|
|
||||||
|
static void stream_list_add(grpc_chttp2_transport *t, grpc_chttp2_stream *s, |
||||||
|
grpc_chttp2_stream_list_id id) { |
||||||
|
if (s->included[id]) { |
||||||
|
return; |
||||||
|
} |
||||||
|
stream_list_add_tail(t, s, id); |
||||||
|
} |
||||||
|
|
||||||
|
/* wrappers for specializations */ |
||||||
|
|
||||||
|
void grpc_chttp2_list_add_writable_stream( |
||||||
|
grpc_chttp2_transport_global *transport_global, |
||||||
|
grpc_chttp2_stream_global *stream_global) { |
||||||
|
stream_list_add(TRANSPORT_FROM_GLOBAL(transport_global), |
||||||
|
STREAM_FROM_GLOBAL(stream_global), GRPC_CHTTP2_LIST_WRITABLE); |
||||||
|
} |
||||||
|
|
||||||
|
int grpc_chttp2_list_pop_writable_stream( |
||||||
|
grpc_chttp2_transport_global *transport_global, |
||||||
|
grpc_chttp2_transport_writing *transport_writing, |
||||||
|
grpc_chttp2_stream_global **stream_global, |
||||||
|
grpc_chttp2_stream_writing **stream_writing) { |
||||||
|
grpc_chttp2_stream *stream; |
||||||
|
int r = stream_list_pop(TRANSPORT_FROM_GLOBAL(transport_global), &stream, |
||||||
|
GRPC_CHTTP2_LIST_WRITABLE); |
||||||
|
*stream_global = &stream->global; |
||||||
|
*stream_writing = &stream->writing; |
||||||
|
return r; |
||||||
|
} |
||||||
|
|
||||||
|
void grpc_chttp2_list_add_writing_stream( |
||||||
|
grpc_chttp2_transport_writing *transport_writing, |
||||||
|
grpc_chttp2_stream_writing *stream_writing) { |
||||||
|
stream_list_add(TRANSPORT_FROM_WRITING(transport_writing), |
||||||
|
STREAM_FROM_WRITING(stream_writing), |
||||||
|
GRPC_CHTTP2_LIST_WRITING); |
||||||
|
} |
||||||
|
|
||||||
|
int grpc_chttp2_list_have_writing_streams( |
||||||
|
grpc_chttp2_transport_writing *transport_writing) { |
||||||
|
return !stream_list_empty(TRANSPORT_FROM_WRITING(transport_writing), |
||||||
|
GRPC_CHTTP2_LIST_WRITING); |
||||||
|
} |
||||||
|
|
||||||
|
int grpc_chttp2_list_pop_writing_stream( |
||||||
|
grpc_chttp2_transport_writing *transport_writing, |
||||||
|
grpc_chttp2_stream_writing **stream_writing) { |
||||||
|
grpc_chttp2_stream *stream; |
||||||
|
int r = stream_list_pop(TRANSPORT_FROM_WRITING(transport_writing), &stream, |
||||||
|
GRPC_CHTTP2_LIST_WRITING); |
||||||
|
*stream_writing = &stream->writing; |
||||||
|
return r; |
||||||
|
} |
||||||
|
|
||||||
|
void grpc_chttp2_list_add_written_stream( |
||||||
|
grpc_chttp2_transport_writing *transport_writing, |
||||||
|
grpc_chttp2_stream_writing *stream_writing) { |
||||||
|
stream_list_add(TRANSPORT_FROM_WRITING(transport_writing), |
||||||
|
STREAM_FROM_WRITING(stream_writing), |
||||||
|
GRPC_CHTTP2_LIST_WRITTEN); |
||||||
|
} |
||||||
|
|
||||||
|
int grpc_chttp2_list_pop_written_stream( |
||||||
|
grpc_chttp2_transport_global *transport_global, |
||||||
|
grpc_chttp2_transport_writing *transport_writing, |
||||||
|
grpc_chttp2_stream_global **stream_global, |
||||||
|
grpc_chttp2_stream_writing **stream_writing) { |
||||||
|
grpc_chttp2_stream *stream; |
||||||
|
int r = stream_list_pop(TRANSPORT_FROM_WRITING(transport_writing), &stream, |
||||||
|
GRPC_CHTTP2_LIST_WRITTEN); |
||||||
|
*stream_global = &stream->global; |
||||||
|
*stream_writing = &stream->writing; |
||||||
|
return r; |
||||||
|
} |
||||||
|
|
||||||
|
void grpc_chttp2_list_add_writable_window_update_stream( |
||||||
|
grpc_chttp2_transport_global *transport_global, |
||||||
|
grpc_chttp2_stream_global *stream_global) { |
||||||
|
stream_list_add(TRANSPORT_FROM_GLOBAL(transport_global), |
||||||
|
STREAM_FROM_GLOBAL(stream_global), |
||||||
|
GRPC_CHTTP2_LIST_WRITABLE_WINDOW_UPDATE); |
||||||
|
} |
||||||
|
|
||||||
|
int grpc_chttp2_list_pop_writable_window_update_stream( |
||||||
|
grpc_chttp2_transport_global *transport_global, |
||||||
|
grpc_chttp2_stream_global **stream_global) { |
||||||
|
grpc_chttp2_stream *stream; |
||||||
|
int r = stream_list_pop(TRANSPORT_FROM_GLOBAL(transport_global), &stream, |
||||||
|
GRPC_CHTTP2_LIST_WRITABLE_WINDOW_UPDATE); |
||||||
|
*stream_global = &stream->global; |
||||||
|
return r; |
||||||
|
} |
||||||
|
|
||||||
|
void grpc_chttp2_list_remove_writable_window_update_stream( |
||||||
|
grpc_chttp2_transport_global *transport_global, |
||||||
|
grpc_chttp2_stream_global *stream_global) { |
||||||
|
stream_list_maybe_remove(TRANSPORT_FROM_GLOBAL(transport_global), STREAM_FROM_GLOBAL(stream_global), GRPC_CHTTP2_LIST_WRITABLE_WINDOW_UPDATE); |
||||||
|
} |
||||||
|
|
||||||
|
void grpc_chttp2_list_add_parsing_seen_stream( |
||||||
|
grpc_chttp2_transport_parsing *transport_parsing, |
||||||
|
grpc_chttp2_stream_parsing *stream_parsing) { |
||||||
|
stream_list_add(TRANSPORT_FROM_PARSING(transport_parsing), |
||||||
|
STREAM_FROM_PARSING(stream_parsing), |
||||||
|
GRPC_CHTTP2_LIST_PARSING_SEEN); |
||||||
|
} |
||||||
|
|
||||||
|
int grpc_chttp2_list_pop_parsing_seen_stream( |
||||||
|
grpc_chttp2_transport_global *transport_global, |
||||||
|
grpc_chttp2_transport_parsing *transport_parsing, |
||||||
|
grpc_chttp2_stream_global **stream_global, |
||||||
|
grpc_chttp2_stream_parsing **stream_parsing) { |
||||||
|
grpc_chttp2_stream *stream; |
||||||
|
int r = stream_list_pop(TRANSPORT_FROM_PARSING(transport_parsing), &stream, |
||||||
|
GRPC_CHTTP2_LIST_PARSING_SEEN); |
||||||
|
*stream_global = &stream->global; |
||||||
|
*stream_parsing = &stream->parsing; |
||||||
|
return r; |
||||||
|
} |
||||||
|
|
||||||
|
void grpc_chttp2_list_add_waiting_for_concurrency( |
||||||
|
grpc_chttp2_transport_global *transport_global, |
||||||
|
grpc_chttp2_stream_global *stream_global) { |
||||||
|
stream_list_add(TRANSPORT_FROM_GLOBAL(transport_global), |
||||||
|
STREAM_FROM_GLOBAL(stream_global), |
||||||
|
GRPC_CHTTP2_LIST_WAITING_FOR_CONCURRENCY); |
||||||
|
} |
||||||
|
|
||||||
|
int grpc_chttp2_list_pop_waiting_for_concurrency( |
||||||
|
grpc_chttp2_transport_global *transport_global, |
||||||
|
grpc_chttp2_stream_global **stream_global) { |
||||||
|
grpc_chttp2_stream *stream; |
||||||
|
int r = stream_list_pop(TRANSPORT_FROM_GLOBAL(transport_global), &stream, |
||||||
|
GRPC_CHTTP2_LIST_WAITING_FOR_CONCURRENCY); |
||||||
|
*stream_global = &stream->global; |
||||||
|
return r; |
||||||
|
} |
||||||
|
|
||||||
|
void grpc_chttp2_list_add_closed_waiting_for_parsing( |
||||||
|
grpc_chttp2_transport_global *transport_global, |
||||||
|
grpc_chttp2_stream_global *stream_global) { |
||||||
|
stream_list_add(TRANSPORT_FROM_GLOBAL(transport_global), |
||||||
|
STREAM_FROM_GLOBAL(stream_global), |
||||||
|
GRPC_CHTTP2_LIST_CLOSED_WAITING_FOR_PARSING); |
||||||
|
} |
||||||
|
|
||||||
|
int grpc_chttp2_list_pop_closed_waiting_for_parsing( |
||||||
|
grpc_chttp2_transport_global *transport_global, |
||||||
|
grpc_chttp2_stream_global **stream_global) { |
||||||
|
grpc_chttp2_stream *stream; |
||||||
|
int r = stream_list_pop(TRANSPORT_FROM_GLOBAL(transport_global), &stream, |
||||||
|
GRPC_CHTTP2_LIST_CLOSED_WAITING_FOR_PARSING); |
||||||
|
*stream_global = &stream->global; |
||||||
|
return r; |
||||||
|
} |
||||||
|
|
||||||
|
void grpc_chttp2_list_add_incoming_window_updated( |
||||||
|
grpc_chttp2_transport_global *transport_global, |
||||||
|
grpc_chttp2_stream_global *stream_global) { |
||||||
|
stream_list_add(TRANSPORT_FROM_GLOBAL(transport_global), |
||||||
|
STREAM_FROM_GLOBAL(stream_global), |
||||||
|
GRPC_CHTTP2_LIST_INCOMING_WINDOW_UPDATED); |
||||||
|
} |
||||||
|
|
||||||
|
int grpc_chttp2_list_pop_incoming_window_updated( |
||||||
|
grpc_chttp2_transport_global *transport_global, |
||||||
|
grpc_chttp2_transport_parsing *transport_parsing, |
||||||
|
grpc_chttp2_stream_global **stream_global, |
||||||
|
grpc_chttp2_stream_parsing **stream_parsing) { |
||||||
|
grpc_chttp2_stream *stream; |
||||||
|
int r = stream_list_pop(TRANSPORT_FROM_GLOBAL(transport_global), &stream, |
||||||
|
GRPC_CHTTP2_LIST_INCOMING_WINDOW_UPDATED); |
||||||
|
*stream_global = &stream->global; |
||||||
|
*stream_parsing = &stream->parsing; |
||||||
|
return r; |
||||||
|
} |
||||||
|
|
||||||
|
void grpc_chttp2_list_remove_incoming_window_updated( |
||||||
|
grpc_chttp2_transport_global *transport_global, |
||||||
|
grpc_chttp2_stream_global *stream_global) { |
||||||
|
stream_list_maybe_remove(TRANSPORT_FROM_GLOBAL(transport_global), |
||||||
|
STREAM_FROM_GLOBAL(stream_global), |
||||||
|
GRPC_CHTTP2_LIST_INCOMING_WINDOW_UPDATED); |
||||||
|
} |
||||||
|
|
||||||
|
void grpc_chttp2_list_add_read_write_state_changed( |
||||||
|
grpc_chttp2_transport_global *transport_global, |
||||||
|
grpc_chttp2_stream_global *stream_global) { |
||||||
|
stream_list_add(TRANSPORT_FROM_GLOBAL(transport_global), |
||||||
|
STREAM_FROM_GLOBAL(stream_global), |
||||||
|
GRPC_CHTTP2_LIST_READ_WRITE_STATE_CHANGED); |
||||||
|
} |
||||||
|
|
||||||
|
int grpc_chttp2_list_pop_read_write_state_changed( |
||||||
|
grpc_chttp2_transport_global *transport_global, |
||||||
|
grpc_chttp2_stream_global **stream_global) { |
||||||
|
grpc_chttp2_stream *stream; |
||||||
|
int r = stream_list_pop(TRANSPORT_FROM_GLOBAL(transport_global), &stream, |
||||||
|
GRPC_CHTTP2_LIST_READ_WRITE_STATE_CHANGED); |
||||||
|
*stream_global = &stream->global; |
||||||
|
return r; |
||||||
|
} |
||||||
|
|
||||||
|
void grpc_chttp2_register_stream(grpc_chttp2_transport *t, |
||||||
|
grpc_chttp2_stream *s) { |
||||||
|
stream_list_add_tail(t, s, GRPC_CHTTP2_LIST_ALL_STREAMS); |
||||||
|
} |
||||||
|
|
||||||
|
void grpc_chttp2_unregister_stream(grpc_chttp2_transport *t, |
||||||
|
grpc_chttp2_stream *s) { |
||||||
|
stream_list_remove(t, s, GRPC_CHTTP2_LIST_ALL_STREAMS); |
||||||
|
} |
||||||
|
|
||||||
|
void grpc_chttp2_for_all_streams( |
||||||
|
grpc_chttp2_transport_global *transport_global, void *user_data, |
||||||
|
void (*cb)(grpc_chttp2_transport_global *transport_global, void *user_data, |
||||||
|
grpc_chttp2_stream_global *stream_global)) { |
||||||
|
grpc_chttp2_stream *s; |
||||||
|
grpc_chttp2_transport *t = TRANSPORT_FROM_GLOBAL(transport_global); |
||||||
|
for (s = t->lists[GRPC_CHTTP2_LIST_ALL_STREAMS].head; s != NULL; |
||||||
|
s = s->links[GRPC_CHTTP2_LIST_ALL_STREAMS].next) { |
||||||
|
cb(transport_global, user_data, &s->global); |
||||||
|
} |
||||||
|
} |
||||||
@ -0,0 +1,215 @@ |
|||||||
|
/*
|
||||||
|
* |
||||||
|
* Copyright 2015, Google Inc. |
||||||
|
* All rights reserved. |
||||||
|
* |
||||||
|
* Redistribution and use in source and binary forms, with or without |
||||||
|
* modification, are permitted provided that the following conditions are |
||||||
|
* met: |
||||||
|
* |
||||||
|
* * Redistributions of source code must retain the above copyright |
||||||
|
* notice, this list of conditions and the following disclaimer. |
||||||
|
* * Redistributions in binary form must reproduce the above |
||||||
|
* copyright notice, this list of conditions and the following disclaimer |
||||||
|
* in the documentation and/or other materials provided with the |
||||||
|
* distribution. |
||||||
|
* * Neither the name of Google Inc. nor the names of its |
||||||
|
* contributors may be used to endorse or promote products derived from |
||||||
|
* this software without specific prior written permission. |
||||||
|
* |
||||||
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
||||||
|
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
||||||
|
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
||||||
|
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
||||||
|
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
||||||
|
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
||||||
|
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
||||||
|
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
||||||
|
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
||||||
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
||||||
|
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
||||||
|
* |
||||||
|
*/ |
||||||
|
|
||||||
|
#include "src/core/transport/chttp2/internal.h" |
||||||
|
#include "src/core/transport/chttp2/http2_errors.h" |
||||||
|
|
||||||
|
#include <grpc/support/log.h> |
||||||
|
|
||||||
|
static void finalize_outbuf(grpc_chttp2_transport_writing *transport_writing); |
||||||
|
static void finish_write_cb(void *tw, grpc_endpoint_cb_status write_status); |
||||||
|
|
||||||
|
int grpc_chttp2_unlocking_check_writes( |
||||||
|
grpc_chttp2_transport_global *transport_global, |
||||||
|
grpc_chttp2_transport_writing *transport_writing) { |
||||||
|
grpc_chttp2_stream_global *stream_global; |
||||||
|
grpc_chttp2_stream_writing *stream_writing; |
||||||
|
gpr_uint32 window_delta; |
||||||
|
|
||||||
|
/* simple writes are queued to qbuf, and flushed here */ |
||||||
|
gpr_slice_buffer_swap(&transport_global->qbuf, &transport_writing->outbuf); |
||||||
|
GPR_ASSERT(transport_global->qbuf.count == 0); |
||||||
|
|
||||||
|
if (transport_global->dirtied_local_settings && |
||||||
|
!transport_global->sent_local_settings) { |
||||||
|
gpr_slice_buffer_add( |
||||||
|
&transport_writing->outbuf, |
||||||
|
grpc_chttp2_settings_create( |
||||||
|
transport_global->settings[GRPC_SENT_SETTINGS], |
||||||
|
transport_global->settings[GRPC_LOCAL_SETTINGS], |
||||||
|
transport_global->force_send_settings, GRPC_CHTTP2_NUM_SETTINGS)); |
||||||
|
transport_global->force_send_settings = 0; |
||||||
|
transport_global->dirtied_local_settings = 0; |
||||||
|
transport_global->sent_local_settings = 1; |
||||||
|
} |
||||||
|
|
||||||
|
/* for each grpc_chttp2_stream that's become writable, frame it's data
|
||||||
|
(according to |
||||||
|
available window sizes) and add to the output buffer */ |
||||||
|
while (transport_global->outgoing_window && |
||||||
|
grpc_chttp2_list_pop_writable_stream(transport_global, |
||||||
|
transport_writing, &stream_global, |
||||||
|
&stream_writing) && |
||||||
|
stream_global->outgoing_window > 0) { |
||||||
|
stream_writing->id = stream_global->id; |
||||||
|
window_delta = grpc_chttp2_preencode( |
||||||
|
stream_global->outgoing_sopb->ops, &stream_global->outgoing_sopb->nops, |
||||||
|
GPR_MIN(transport_global->outgoing_window, |
||||||
|
stream_global->outgoing_window), |
||||||
|
&stream_writing->sopb); |
||||||
|
GRPC_CHTTP2_FLOWCTL_TRACE_TRANSPORT( |
||||||
|
"write", transport_global, outgoing_window, -(gpr_int64)window_delta); |
||||||
|
GRPC_CHTTP2_FLOWCTL_TRACE_STREAM("write", transport_global, stream_global, |
||||||
|
outgoing_window, -(gpr_int64)window_delta); |
||||||
|
transport_global->outgoing_window -= window_delta; |
||||||
|
stream_global->outgoing_window -= window_delta; |
||||||
|
|
||||||
|
if (stream_global->write_state == GRPC_WRITE_STATE_QUEUED_CLOSE && |
||||||
|
stream_global->outgoing_sopb->nops == 0) { |
||||||
|
if (!transport_global->is_client && !stream_global->read_closed) { |
||||||
|
stream_writing->send_closed = GRPC_SEND_CLOSED_WITH_RST_STREAM; |
||||||
|
} else { |
||||||
|
stream_writing->send_closed = GRPC_SEND_CLOSED; |
||||||
|
} |
||||||
|
} |
||||||
|
if (stream_writing->sopb.nops > 0 || |
||||||
|
stream_writing->send_closed != GRPC_DONT_SEND_CLOSED) { |
||||||
|
grpc_chttp2_list_add_writing_stream(transport_writing, stream_writing); |
||||||
|
} |
||||||
|
|
||||||
|
/* we should either exhaust window or have no ops left, but not both */ |
||||||
|
if (stream_global->outgoing_sopb->nops == 0) { |
||||||
|
stream_global->outgoing_sopb = NULL; |
||||||
|
grpc_chttp2_schedule_closure(transport_global, |
||||||
|
stream_global->send_done_closure, 1); |
||||||
|
} else if (stream_global->outgoing_window > 0) { |
||||||
|
grpc_chttp2_list_add_writable_stream(transport_global, stream_global); |
||||||
|
} |
||||||
|
} |
||||||
|
|
||||||
|
/* for each grpc_chttp2_stream that wants to update its window, add that
|
||||||
|
* window here */ |
||||||
|
while (grpc_chttp2_list_pop_writable_window_update_stream(transport_global, |
||||||
|
&stream_global)) { |
||||||
|
window_delta = |
||||||
|
transport_global->settings[GRPC_LOCAL_SETTINGS] |
||||||
|
[GRPC_CHTTP2_SETTINGS_INITIAL_WINDOW_SIZE] - |
||||||
|
stream_global->incoming_window; |
||||||
|
if (!stream_global->read_closed && window_delta > 0) { |
||||||
|
gpr_slice_buffer_add( |
||||||
|
&transport_writing->outbuf, |
||||||
|
grpc_chttp2_window_update_create(stream_global->id, window_delta)); |
||||||
|
GRPC_CHTTP2_FLOWCTL_TRACE_STREAM("write", transport_global, stream_global, |
||||||
|
incoming_window, window_delta); |
||||||
|
stream_global->incoming_window += window_delta; |
||||||
|
grpc_chttp2_list_add_incoming_window_updated(transport_global, |
||||||
|
stream_global); |
||||||
|
} |
||||||
|
} |
||||||
|
|
||||||
|
/* if the grpc_chttp2_transport is ready to send a window update, do so here
|
||||||
|
also; 3/4 is a magic number that will likely get tuned soon */ |
||||||
|
if (transport_global->incoming_window < |
||||||
|
transport_global->connection_window_target * 3 / 4) { |
||||||
|
window_delta = transport_global->connection_window_target - |
||||||
|
transport_global->incoming_window; |
||||||
|
gpr_slice_buffer_add(&transport_writing->outbuf, |
||||||
|
grpc_chttp2_window_update_create(0, window_delta)); |
||||||
|
GRPC_CHTTP2_FLOWCTL_TRACE_TRANSPORT("write", transport_global, |
||||||
|
incoming_window, window_delta); |
||||||
|
transport_global->incoming_window += window_delta; |
||||||
|
} |
||||||
|
|
||||||
|
return transport_writing->outbuf.count > 0 || |
||||||
|
grpc_chttp2_list_have_writing_streams(transport_writing); |
||||||
|
} |
||||||
|
|
||||||
|
void grpc_chttp2_perform_writes( |
||||||
|
grpc_chttp2_transport_writing *transport_writing, grpc_endpoint *endpoint) { |
||||||
|
GPR_ASSERT(transport_writing->outbuf.count > 0 || |
||||||
|
grpc_chttp2_list_have_writing_streams(transport_writing)); |
||||||
|
|
||||||
|
finalize_outbuf(transport_writing); |
||||||
|
|
||||||
|
GPR_ASSERT(transport_writing->outbuf.count > 0); |
||||||
|
GPR_ASSERT(endpoint); |
||||||
|
|
||||||
|
switch (grpc_endpoint_write(endpoint, transport_writing->outbuf.slices, |
||||||
|
transport_writing->outbuf.count, finish_write_cb, |
||||||
|
transport_writing)) { |
||||||
|
case GRPC_ENDPOINT_WRITE_DONE: |
||||||
|
grpc_chttp2_terminate_writing(transport_writing, 1); |
||||||
|
break; |
||||||
|
case GRPC_ENDPOINT_WRITE_ERROR: |
||||||
|
grpc_chttp2_terminate_writing(transport_writing, 0); |
||||||
|
break; |
||||||
|
case GRPC_ENDPOINT_WRITE_PENDING: |
||||||
|
break; |
||||||
|
} |
||||||
|
} |
||||||
|
|
||||||
|
static void finalize_outbuf(grpc_chttp2_transport_writing *transport_writing) { |
||||||
|
grpc_chttp2_stream_writing *stream_writing; |
||||||
|
|
||||||
|
while ( |
||||||
|
grpc_chttp2_list_pop_writing_stream(transport_writing, &stream_writing)) { |
||||||
|
grpc_chttp2_encode(stream_writing->sopb.ops, stream_writing->sopb.nops, |
||||||
|
stream_writing->send_closed != GRPC_DONT_SEND_CLOSED, |
||||||
|
stream_writing->id, &transport_writing->hpack_compressor, |
||||||
|
&transport_writing->outbuf); |
||||||
|
stream_writing->sopb.nops = 0; |
||||||
|
if (stream_writing->send_closed == GRPC_SEND_CLOSED_WITH_RST_STREAM) { |
||||||
|
gpr_slice_buffer_add(&transport_writing->outbuf, |
||||||
|
grpc_chttp2_rst_stream_create(stream_writing->id, |
||||||
|
GRPC_CHTTP2_NO_ERROR)); |
||||||
|
} |
||||||
|
grpc_chttp2_list_add_written_stream(transport_writing, stream_writing); |
||||||
|
} |
||||||
|
} |
||||||
|
|
||||||
|
static void finish_write_cb(void *tw, grpc_endpoint_cb_status write_status) { |
||||||
|
grpc_chttp2_transport_writing *transport_writing = tw; |
||||||
|
grpc_chttp2_terminate_writing(transport_writing, |
||||||
|
write_status == GRPC_ENDPOINT_CB_OK); |
||||||
|
} |
||||||
|
|
||||||
|
void grpc_chttp2_cleanup_writing( |
||||||
|
grpc_chttp2_transport_global *transport_global, |
||||||
|
grpc_chttp2_transport_writing *transport_writing) { |
||||||
|
grpc_chttp2_stream_writing *stream_writing; |
||||||
|
grpc_chttp2_stream_global *stream_global; |
||||||
|
|
||||||
|
while (grpc_chttp2_list_pop_written_stream( |
||||||
|
transport_global, transport_writing, &stream_global, &stream_writing)) { |
||||||
|
if (stream_writing->send_closed != GRPC_DONT_SEND_CLOSED) { |
||||||
|
stream_global->write_state = GRPC_WRITE_STATE_SENT_CLOSE; |
||||||
|
if (!transport_global->is_client) { |
||||||
|
stream_global->read_closed = 1; |
||||||
|
} |
||||||
|
grpc_chttp2_list_add_read_write_state_changed(transport_global, |
||||||
|
stream_global); |
||||||
|
} |
||||||
|
} |
||||||
|
transport_writing->outbuf.count = 0; |
||||||
|
transport_writing->outbuf.length = 0; |
||||||
|
} |
||||||
File diff suppressed because it is too large
Load Diff
@ -0,0 +1,54 @@ |
|||||||
|
/*
|
||||||
|
* |
||||||
|
* Copyright 2015, Google Inc. |
||||||
|
* All rights reserved. |
||||||
|
* |
||||||
|
* Redistribution and use in source and binary forms, with or without |
||||||
|
* modification, are permitted provided that the following conditions are |
||||||
|
* met: |
||||||
|
* |
||||||
|
* * Redistributions of source code must retain the above copyright |
||||||
|
* notice, this list of conditions and the following disclaimer. |
||||||
|
* * Redistributions in binary form must reproduce the above |
||||||
|
* copyright notice, this list of conditions and the following disclaimer |
||||||
|
* in the documentation and/or other materials provided with the |
||||||
|
* distribution. |
||||||
|
* * Neither the name of Google Inc. nor the names of its |
||||||
|
* contributors may be used to endorse or promote products derived from |
||||||
|
* this software without specific prior written permission. |
||||||
|
* |
||||||
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
||||||
|
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
||||||
|
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
||||||
|
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
||||||
|
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
||||||
|
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
||||||
|
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
||||||
|
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
||||||
|
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
||||||
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
||||||
|
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
||||||
|
* |
||||||
|
*/ |
||||||
|
|
||||||
|
#include <grpc++/channel_arguments.h> |
||||||
|
#include <grpc/grpc_security.h> |
||||||
|
|
||||||
|
#include "src/core/channel/channel_args.h" |
||||||
|
|
||||||
|
namespace grpc { |
||||||
|
|
||||||
|
void ChannelArguments::SetSslTargetNameOverride(const grpc::string& name) { |
||||||
|
SetString(GRPC_SSL_TARGET_NAME_OVERRIDE_ARG, name); |
||||||
|
} |
||||||
|
|
||||||
|
grpc::string ChannelArguments::GetSslTargetNameOverride() const { |
||||||
|
for (unsigned int i = 0; i < args_.size(); i++) { |
||||||
|
if (grpc::string(GRPC_SSL_TARGET_NAME_OVERRIDE_ARG) == args_[i].key) { |
||||||
|
return args_[i].value.string; |
||||||
|
} |
||||||
|
} |
||||||
|
return ""; |
||||||
|
} |
||||||
|
|
||||||
|
} // namespace grpc
|
||||||
@ -0,0 +1,49 @@ |
|||||||
|
#!/bin/bash |
||||||
|
# Copyright 2015, Google Inc. |
||||||
|
# All rights reserved. |
||||||
|
# |
||||||
|
# Redistribution and use in source and binary forms, with or without |
||||||
|
# modification, are permitted provided that the following conditions are |
||||||
|
# met: |
||||||
|
# |
||||||
|
# * Redistributions of source code must retain the above copyright |
||||||
|
# notice, this list of conditions and the following disclaimer. |
||||||
|
# * Redistributions in binary form must reproduce the above |
||||||
|
# copyright notice, this list of conditions and the following disclaimer |
||||||
|
# in the documentation and/or other materials provided with the |
||||||
|
# distribution. |
||||||
|
# * Neither the name of Google Inc. nor the names of its |
||||||
|
# contributors may be used to endorse or promote products derived from |
||||||
|
# this software without specific prior written permission. |
||||||
|
# |
||||||
|
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
||||||
|
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
||||||
|
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
||||||
|
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
||||||
|
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
||||||
|
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
||||||
|
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
||||||
|
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
||||||
|
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
||||||
|
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
||||||
|
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
||||||
|
|
||||||
|
set -e |
||||||
|
default_extension_dir=$(php-config --extension-dir) |
||||||
|
if command -v brew >/dev/null && [ -d $(brew --prefix)/opt/grpc-php ]; then |
||||||
|
# homebrew and the grpc-php formula are installed |
||||||
|
extension_dir="-d extension_dir="$(brew --prefix)/opt/grpc-php |
||||||
|
elif [ ! -e $default_extension_dir/grpc.so ]; then |
||||||
|
# the grpc extension is not found in the default PHP extension dir |
||||||
|
# try the source modules directory |
||||||
|
module_dir=../ext/grpc/modules |
||||||
|
if [ ! -e $module_dir/grpc.so ]; then |
||||||
|
echo "Please run 'phpize && ./configure && make' from ext/grpc first" |
||||||
|
exit 1 |
||||||
|
fi |
||||||
|
# sym-link in system supplied extensions |
||||||
|
for f in $default_extension_dir/*.so; do |
||||||
|
ln -s $f $module_dir/$(basename $f) &> /dev/null || true |
||||||
|
done |
||||||
|
extension_dir="-d extension_dir="$module_dir |
||||||
|
fi |
||||||
@ -0,0 +1,33 @@ |
|||||||
|
<%! |
||||||
|
import json |
||||||
|
import os |
||||||
|
|
||||||
|
def proto_headers(src): |
||||||
|
out = [] |
||||||
|
for f in src: |
||||||
|
name, ext = os.path.splitext(f) |
||||||
|
if ext == '.proto': |
||||||
|
out.extend(fmt % name for fmt in ['%s.grpc.pb.h', '%s.pb.h']) |
||||||
|
return out |
||||||
|
|
||||||
|
def no_protos(src): |
||||||
|
out = [] |
||||||
|
for f in src: |
||||||
|
if os.path.splitext(f)[1] != '.proto': |
||||||
|
out.append(f) |
||||||
|
return out |
||||||
|
%> |
||||||
|
|
||||||
|
${json.dumps([{"name": tgt.name, |
||||||
|
"language": tgt.language, |
||||||
|
"src": sorted( |
||||||
|
no_protos(tgt.src) + |
||||||
|
tgt.get('public_headers', []) + |
||||||
|
tgt.get('headers', [])), |
||||||
|
"headers": sorted( |
||||||
|
tgt.get('public_headers', []) + |
||||||
|
tgt.get('headers', []) + |
||||||
|
proto_headers(tgt.src)), |
||||||
|
"deps": sorted(tgt.get('deps', []))} |
||||||
|
for tgt in (targets + libs)], |
||||||
|
sort_keys=True, indent=2)} |
||||||
@ -0,0 +1,45 @@ |
|||||||
|
#!/bin/bash |
||||||
|
# Copyright 2015, Google Inc. |
||||||
|
# All rights reserved. |
||||||
|
# |
||||||
|
# Redistribution and use in source and binary forms, with or without |
||||||
|
# modification, are permitted provided that the following conditions are |
||||||
|
# met: |
||||||
|
# |
||||||
|
# * Redistributions of source code must retain the above copyright |
||||||
|
# notice, this list of conditions and the following disclaimer. |
||||||
|
# * Redistributions in binary form must reproduce the above |
||||||
|
# copyright notice, this list of conditions and the following disclaimer |
||||||
|
# in the documentation and/or other materials provided with the |
||||||
|
# distribution. |
||||||
|
# * Neither the name of Google Inc. nor the names of its |
||||||
|
# contributors may be used to endorse or promote products derived from |
||||||
|
# this software without specific prior written permission. |
||||||
|
# |
||||||
|
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
||||||
|
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
||||||
|
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
||||||
|
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
||||||
|
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
||||||
|
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
||||||
|
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
||||||
|
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
||||||
|
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
||||||
|
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
||||||
|
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
||||||
|
# |
||||||
|
# This script is invoked by run_jekins.sh when piggy-backing into docker. |
||||||
|
set -e |
||||||
|
|
||||||
|
export CONFIG=$config |
||||||
|
export ASAN_SYMBOLIZER_PATH=/usr/bin/llvm-symbolizer-3.5 |
||||||
|
export CPPFLAGS=-I/tmp/prebuilt/include |
||||||
|
|
||||||
|
mkdir -p /var/local/git |
||||||
|
git clone --recursive /var/local/jenkins/grpc /var/local/git/grpc |
||||||
|
|
||||||
|
cd /var/local/git/grpc |
||||||
|
nvm use 0.12 |
||||||
|
rvm use ruby-2.1 |
||||||
|
tools/run_tests/prepare_travis.sh |
||||||
|
tools/run_tests/run_tests.py -t -c $config -l $language -x report.xml |
||||||
@ -0,0 +1,55 @@ |
|||||||
|
#!/usr/bin/env python2.7 |
||||||
|
|
||||||
|
import json |
||||||
|
import os |
||||||
|
import re |
||||||
|
import sys |
||||||
|
|
||||||
|
root = os.path.abspath(os.path.join(os.path.dirname(sys.argv[0]), '../..')) |
||||||
|
with open(os.path.join(root, 'tools', 'run_tests', 'sources_and_headers.json')) as f: |
||||||
|
js = json.loads(f.read()) |
||||||
|
|
||||||
|
re_inc1 = re.compile(r'^#\s*include\s*"([^"]*)"') |
||||||
|
assert re_inc1.match('#include "foo"').group(1) == 'foo' |
||||||
|
re_inc2 = re.compile(r'^#\s*include\s*<((grpc|grpc\+\+)/[^"]*)>') |
||||||
|
assert re_inc2.match('#include <grpc++/foo>').group(1) == 'grpc++/foo' |
||||||
|
|
||||||
|
def get_target(name): |
||||||
|
for target in js: |
||||||
|
if target['name'] == name: |
||||||
|
return target |
||||||
|
assert False, 'no target %s' % name |
||||||
|
|
||||||
|
def target_has_header(target, name): |
||||||
|
# print target['name'], name |
||||||
|
if name in target['headers']: |
||||||
|
return True |
||||||
|
for dep in target['deps']: |
||||||
|
if target_has_header(get_target(dep), name): |
||||||
|
return True |
||||||
|
if name == 'src/core/profiling/stap_probes.h': |
||||||
|
return True |
||||||
|
return False |
||||||
|
|
||||||
|
errors = 0 |
||||||
|
for target in js: |
||||||
|
for fn in target['src']: |
||||||
|
with open(os.path.join(root, fn)) as f: |
||||||
|
src = f.read().splitlines() |
||||||
|
for line in src: |
||||||
|
m = re_inc1.match(line) |
||||||
|
if m: |
||||||
|
if not target_has_header(target, m.group(1)): |
||||||
|
print ( |
||||||
|
'target %s (%s) does not name header %s as a dependency' % ( |
||||||
|
target['name'], fn, m.group(1))) |
||||||
|
errors += 1 |
||||||
|
m = re_inc2.match(line) |
||||||
|
if m: |
||||||
|
if not target_has_header(target, 'include/' + m.group(1)): |
||||||
|
print ( |
||||||
|
'target %s (%s) does not name header %s as a dependency' % ( |
||||||
|
target['name'], fn, m.group(1))) |
||||||
|
errors += 1 |
||||||
|
|
||||||
|
assert errors == 0 |
||||||
File diff suppressed because it is too large
Load Diff
Some files were not shown because too many files have changed in this diff Show More
Loading…
Reference in new issue