mirror of https://github.com/grpc/grpc.git
Nicolas Noble
10 years ago
commit
ff60024eaf
908 changed files with 8757 additions and 5096 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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|
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#include "src/core/iomgr/closure.h" |
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void grpc_closure_init(grpc_closure *closure, grpc_iomgr_cb_func cb, |
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void *cb_arg) { |
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closure->cb = cb; |
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closure->cb_arg = cb_arg; |
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closure->next = NULL; |
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} |
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|
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void grpc_closure_list_add(grpc_closure_list *closure_list, |
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grpc_closure *closure, int success) { |
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if (closure == NULL) return; |
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closure->next = NULL; |
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closure->success = success; |
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if (closure_list->head == NULL) { |
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closure_list->head = closure; |
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} else { |
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closure_list->tail->next = closure; |
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} |
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closure_list->tail = closure; |
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} |
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int grpc_closure_list_empty(grpc_closure_list closure_list) { |
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return closure_list.head == NULL; |
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} |
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void grpc_closure_list_move(grpc_closure_list *src, grpc_closure_list *dst) { |
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if (src->head == NULL) { |
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return; |
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} |
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if (dst->head == NULL) { |
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*dst = *src; |
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} else { |
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dst->tail->next = src->head; |
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dst->tail = src->tail; |
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} |
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src->head = src->tail = NULL; |
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} |
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@ -0,0 +1,88 @@ |
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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_IOMGR_CLOSURE_H |
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#define GRPC_INTERNAL_CORE_IOMGR_CLOSURE_H |
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#include <stddef.h> |
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struct grpc_closure; |
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typedef struct grpc_closure grpc_closure; |
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/* forward declaration for exec_ctx.h */ |
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struct grpc_exec_ctx; |
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typedef struct grpc_exec_ctx grpc_exec_ctx; |
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typedef struct grpc_closure_list { |
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grpc_closure *head; |
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grpc_closure *tail; |
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} grpc_closure_list; |
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|
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/** gRPC Callback definition.
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* |
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* \param arg Arbitrary input. |
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* \param success An indication on the state of the iomgr. On false, cleanup |
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* actions should be taken (eg, shutdown). */ |
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typedef void (*grpc_iomgr_cb_func)(grpc_exec_ctx *exec_ctx, void *arg, |
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int success); |
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/** A closure over a grpc_iomgr_cb_func. */ |
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struct grpc_closure { |
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/** Bound callback. */ |
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grpc_iomgr_cb_func cb; |
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|
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/** Arguments to be passed to "cb". */ |
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void *cb_arg; |
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/** Internal. A boolean indication to "cb" on the state of the iomgr.
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* For instance, closures created during a shutdown would have this field set |
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* to false. */ |
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int success; |
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/**< Internal. Do not touch */ |
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struct grpc_closure *next; |
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}; |
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/** Initializes \a closure with \a cb and \a cb_arg. */ |
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void grpc_closure_init(grpc_closure *closure, grpc_iomgr_cb_func cb, |
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void *cb_arg); |
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#define GRPC_CLOSURE_LIST_INIT \ |
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{ NULL, NULL } |
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void grpc_closure_list_add(grpc_closure_list *list, grpc_closure *closure, |
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int success); |
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void grpc_closure_list_move(grpc_closure_list *src, grpc_closure_list *dst); |
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int grpc_closure_list_empty(grpc_closure_list list); |
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#endif /* GRPC_INTERNAL_CORE_IOMGR_CLOSURE_H */ |
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@ -0,0 +1,62 @@ |
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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. |
||||
* * 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 |
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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 |
||||
* 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/iomgr/exec_ctx.h" |
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#include <grpc/support/log.h> |
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void grpc_exec_ctx_flush(grpc_exec_ctx *exec_ctx) { |
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while (!grpc_closure_list_empty(exec_ctx->closure_list)) { |
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grpc_closure *c = exec_ctx->closure_list.head; |
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exec_ctx->closure_list.head = exec_ctx->closure_list.tail = NULL; |
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while (c != NULL) { |
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grpc_closure *next = c->next; |
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c->cb(exec_ctx, c->cb_arg, c->success); |
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c = next; |
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} |
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} |
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} |
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void grpc_exec_ctx_finish(grpc_exec_ctx *exec_ctx) { |
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grpc_exec_ctx_flush(exec_ctx); |
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} |
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void grpc_exec_ctx_enqueue(grpc_exec_ctx *exec_ctx, grpc_closure *closure, |
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int success) { |
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grpc_closure_list_add(&exec_ctx->closure_list, closure, success); |
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} |
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void grpc_exec_ctx_enqueue_list(grpc_exec_ctx *exec_ctx, |
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grpc_closure_list *list) { |
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grpc_closure_list_move(list, &exec_ctx->closure_list); |
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} |
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@ -0,0 +1,77 @@ |
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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 |
||||
* 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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* 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 |
||||
* 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 |
||||
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
||||
* 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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|
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#ifndef GRPC_INTERNAL_CORE_IOMGR_EXEC_CTX_H |
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#define GRPC_INTERNAL_CORE_IOMGR_EXEC_CTX_H |
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#include "src/core/iomgr/closure.h" |
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/** Execution context.
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* A bag of data that collects information along a callstack. |
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* Generally created at public API entry points, and passed down as |
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* pointer to child functions that manipulate it. |
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* |
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* Specific responsibilities (this may grow in the future): |
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* - track a list of work that needs to be delayed until the top of the |
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* call stack (this provides a convenient mechanism to run callbacks |
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* without worrying about locking issues) |
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* |
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* CONVENTIONS: |
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* Instance of this must ALWAYS be constructed on the stack, never |
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* heap allocated. Instances and pointers to them must always be called |
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* exec_ctx. Instances are always passed as the first argument |
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* to a function that takes it, and always as a pointer (grpc_exec_ctx |
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* is never copied). |
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*/ |
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struct grpc_exec_ctx { |
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grpc_closure_list closure_list; |
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}; |
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#define GRPC_EXEC_CTX_INIT \ |
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{ GRPC_CLOSURE_LIST_INIT } |
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/** Flush any work that has been enqueued onto this grpc_exec_ctx.
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* Caller must guarantee that no interfering locks are held. */ |
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void grpc_exec_ctx_flush(grpc_exec_ctx *exec_ctx); |
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/** Finish any pending work for a grpc_exec_ctx. Must be called before
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* the instance is destroyed, or work may be lost. */ |
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void grpc_exec_ctx_finish(grpc_exec_ctx *exec_ctx); |
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/** Add a closure to be executed at the next flush/finish point */ |
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void grpc_exec_ctx_enqueue(grpc_exec_ctx *exec_ctx, grpc_closure *closure, |
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int success); |
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/** Add a list of closures to be executed at the next flush/finish point.
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* Leaves \a list empty. */ |
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void grpc_exec_ctx_enqueue_list(grpc_exec_ctx *exec_ctx, |
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grpc_closure_list *list); |
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#endif |
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