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@ -40,6 +40,7 @@ |
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#include <grpc/grpc.h> |
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#include <grpc/grpc.h> |
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#include <grpc/support/alloc.h> |
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#include <grpc/support/alloc.h> |
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#include <grpc/support/log.h> |
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#include <grpc/support/log.h> |
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#include <grpc/support/slice.h> |
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#include <grpc/support/string_util.h> |
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#include <grpc/support/string_util.h> |
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#include <grpc/support/useful.h> |
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#include <grpc/support/useful.h> |
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@ -52,7 +53,9 @@ |
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#include "src/core/lib/surface/call.h" |
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#include "src/core/lib/surface/call.h" |
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#include "src/core/lib/surface/channel.h" |
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#include "src/core/lib/surface/channel.h" |
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#include "src/core/lib/surface/completion_queue.h" |
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#include "src/core/lib/surface/completion_queue.h" |
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#include "src/core/lib/transport/metadata.h" |
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#include "src/core/lib/transport/static_metadata.h" |
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#include "src/core/lib/transport/static_metadata.h" |
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#include "src/core/lib/transport/transport.h" |
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/** The maximum number of concurrent batches possible.
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/** The maximum number of concurrent batches possible.
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Based upon the maximum number of individually queueable ops in the batch |
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Based upon the maximum number of individually queueable ops in the batch |
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@ -238,6 +241,9 @@ static void execute_op(grpc_exec_ctx *exec_ctx, grpc_call *call, |
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static grpc_call_error cancel_with_status(grpc_exec_ctx *exec_ctx, grpc_call *c, |
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static grpc_call_error cancel_with_status(grpc_exec_ctx *exec_ctx, grpc_call *c, |
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grpc_status_code status, |
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grpc_status_code status, |
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const char *description); |
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const char *description); |
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static grpc_call_error close_with_status(grpc_exec_ctx *exec_ctx, grpc_call *c, |
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grpc_status_code status, |
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const char *description); |
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static void destroy_call(grpc_exec_ctx *exec_ctx, void *call_stack, |
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static void destroy_call(grpc_exec_ctx *exec_ctx, void *call_stack, |
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bool success); |
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bool success); |
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static void receiving_slice_ready(grpc_exec_ctx *exec_ctx, void *bctlp, |
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static void receiving_slice_ready(grpc_exec_ctx *exec_ctx, void *bctlp, |
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@ -408,8 +414,8 @@ static void set_status_code(grpc_call *call, status_source source, |
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/* TODO(ctiller): what to do about the flush that was previously here */ |
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/* TODO(ctiller): what to do about the flush that was previously here */ |
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} |
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} |
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static void set_compression_algorithm(grpc_call *call, |
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static void set_incoming_compression_algorithm( |
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grpc_compression_algorithm algo) { |
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grpc_call *call, grpc_compression_algorithm algo) { |
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GPR_ASSERT(algo < GRPC_COMPRESS_ALGORITHMS_COUNT); |
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GPR_ASSERT(algo < GRPC_COMPRESS_ALGORITHMS_COUNT); |
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call->incoming_compression_algorithm = algo; |
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call->incoming_compression_algorithm = algo; |
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} |
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} |
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@ -425,61 +431,8 @@ grpc_compression_algorithm grpc_call_test_only_get_compression_algorithm( |
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static grpc_compression_algorithm compression_algorithm_for_level_locked( |
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static grpc_compression_algorithm compression_algorithm_for_level_locked( |
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grpc_call *call, grpc_compression_level level) { |
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grpc_call *call, grpc_compression_level level) { |
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/* Establish a "ranking" or compression algorithms in increasing order of
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return grpc_compression_algorithm_for_level(level, |
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* compression. |
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call->encodings_accepted_by_peer); |
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* This is simplistic and we will probably want to introduce other |
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* dimensions |
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* in the future (cpu/memory cost, etc). */ |
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const grpc_compression_algorithm algos_ranking[] = {GRPC_COMPRESS_GZIP, |
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GRPC_COMPRESS_DEFLATE}; |
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const uint32_t accepted_encodings = call->encodings_accepted_by_peer; |
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if (level > GRPC_COMPRESS_LEVEL_HIGH) { |
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extern int grpc_compression_trace; |
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if (grpc_compression_trace) { |
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gpr_log(GPR_ERROR, |
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"Unknown compression level %d. Compression will be disabled.", |
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(int)level); |
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} |
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return GRPC_COMPRESS_NONE; |
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} |
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const size_t num_supported = |
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GPR_BITCOUNT(accepted_encodings) - 1; /* discard NONE */ |
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if (level == GRPC_COMPRESS_LEVEL_NONE || num_supported == 0) { |
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return GRPC_COMPRESS_NONE; |
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} |
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GPR_ASSERT(level > 0); |
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/* intersect algos_ranking with the supported ones keeping the ranked order
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*/ |
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grpc_compression_algorithm |
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sorted_supported_algos[GRPC_COMPRESS_ALGORITHMS_COUNT]; |
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size_t algos_supported_idx = 0; |
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for (size_t i = 0; i < GPR_ARRAY_SIZE(algos_ranking); i++) { |
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const grpc_compression_algorithm alg = algos_ranking[i]; |
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for (size_t j = 0; j < num_supported; j++) { |
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if (GPR_BITGET(accepted_encodings, alg) == 1) { |
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/* if \a alg in supported */ |
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sorted_supported_algos[algos_supported_idx++] = alg; |
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break; |
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} |
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} |
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if (algos_supported_idx == num_supported) break; |
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} |
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switch (level) { |
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case GRPC_COMPRESS_LEVEL_NONE: |
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abort(); /* should have been handled already */ |
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case GRPC_COMPRESS_LEVEL_LOW: |
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return sorted_supported_algos[0]; |
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case GRPC_COMPRESS_LEVEL_MED: |
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return sorted_supported_algos[num_supported / 2]; |
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case GRPC_COMPRESS_LEVEL_HIGH: |
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return sorted_supported_algos[num_supported - 1]; |
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default: |
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abort(); |
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}; |
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} |
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} |
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uint32_t grpc_call_test_only_get_message_flags(grpc_call *call) { |
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uint32_t grpc_call_test_only_get_message_flags(grpc_call *call) { |
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@ -793,48 +746,102 @@ grpc_call_error grpc_call_cancel_with_status(grpc_call *c, |
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return r; |
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return r; |
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} |
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} |
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typedef struct cancel_closure { |
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typedef struct termination_closure { |
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grpc_closure closure; |
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grpc_closure closure; |
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grpc_call *call; |
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grpc_call *call; |
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grpc_status_code status; |
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grpc_status_code status; |
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} cancel_closure; |
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gpr_slice optional_message; |
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grpc_closure *op_closure; |
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enum { TC_CANCEL, TC_CLOSE } type; |
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} termination_closure; |
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static void done_termination(grpc_exec_ctx *exec_ctx, void *tcp, bool success) { |
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termination_closure *tc = tcp; |
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if (tc->type == TC_CANCEL) { |
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GRPC_CALL_INTERNAL_UNREF(exec_ctx, tc->call, "cancel"); |
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} |
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if (tc->type == TC_CLOSE) { |
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GRPC_CALL_INTERNAL_UNREF(exec_ctx, tc->call, "close"); |
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} |
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gpr_slice_unref(tc->optional_message); |
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if (tc->op_closure != NULL) { |
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grpc_exec_ctx_enqueue(exec_ctx, tc->op_closure, true, NULL); |
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} |
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gpr_free(tc); |
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} |
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static void done_cancel(grpc_exec_ctx *exec_ctx, void *ccp, bool success) { |
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static void send_cancel(grpc_exec_ctx *exec_ctx, void *tcp, bool success) { |
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cancel_closure *cc = ccp; |
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grpc_transport_stream_op op; |
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GRPC_CALL_INTERNAL_UNREF(exec_ctx, cc->call, "cancel"); |
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termination_closure *tc = tcp; |
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gpr_free(cc); |
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memset(&op, 0, sizeof(op)); |
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op.cancel_with_status = tc->status; |
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/* reuse closure to catch completion */ |
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grpc_closure_init(&tc->closure, done_termination, tc); |
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op.on_complete = &tc->closure; |
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execute_op(exec_ctx, tc->call, &op); |
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} |
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} |
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static void send_cancel(grpc_exec_ctx *exec_ctx, void *ccp, bool success) { |
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static void send_close(grpc_exec_ctx *exec_ctx, void *tcp, bool success) { |
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grpc_transport_stream_op op; |
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grpc_transport_stream_op op; |
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cancel_closure *cc = ccp; |
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termination_closure *tc = tcp; |
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memset(&op, 0, sizeof(op)); |
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memset(&op, 0, sizeof(op)); |
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op.cancel_with_status = cc->status; |
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tc->optional_message = gpr_slice_ref(tc->optional_message); |
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grpc_transport_stream_op_add_close(&op, tc->status, &tc->optional_message); |
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/* reuse closure to catch completion */ |
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/* reuse closure to catch completion */ |
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grpc_closure_init(&cc->closure, done_cancel, cc); |
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grpc_closure_init(&tc->closure, done_termination, tc); |
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op.on_complete = &cc->closure; |
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tc->op_closure = op.on_complete; |
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execute_op(exec_ctx, cc->call, &op); |
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op.on_complete = &tc->closure; |
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execute_op(exec_ctx, tc->call, &op); |
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} |
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static grpc_call_error terminate_with_status(grpc_exec_ctx *exec_ctx, |
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termination_closure *tc) { |
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grpc_mdstr *details = NULL; |
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if (GPR_SLICE_LENGTH(tc->optional_message) > 0) { |
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tc->optional_message = gpr_slice_ref(tc->optional_message); |
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details = grpc_mdstr_from_slice(tc->optional_message); |
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} |
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set_status_code(tc->call, STATUS_FROM_API_OVERRIDE, (uint32_t)tc->status); |
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set_status_details(tc->call, STATUS_FROM_API_OVERRIDE, details); |
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if (tc->type == TC_CANCEL) { |
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grpc_closure_init(&tc->closure, send_cancel, tc); |
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GRPC_CALL_INTERNAL_REF(tc->call, "cancel"); |
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} else if (tc->type == TC_CLOSE) { |
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grpc_closure_init(&tc->closure, send_close, tc); |
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GRPC_CALL_INTERNAL_REF(tc->call, "close"); |
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} |
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grpc_exec_ctx_enqueue(exec_ctx, &tc->closure, true, NULL); |
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return GRPC_CALL_OK; |
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} |
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} |
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static grpc_call_error cancel_with_status(grpc_exec_ctx *exec_ctx, grpc_call *c, |
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static grpc_call_error cancel_with_status(grpc_exec_ctx *exec_ctx, grpc_call *c, |
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grpc_status_code status, |
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grpc_status_code status, |
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const char *description) { |
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const char *description) { |
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grpc_mdstr *details = |
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termination_closure *tc = gpr_malloc(sizeof(*tc)); |
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description ? grpc_mdstr_from_string(description) : NULL; |
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memset(tc, 0, sizeof(termination_closure)); |
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cancel_closure *cc = gpr_malloc(sizeof(*cc)); |
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tc->type = TC_CANCEL; |
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tc->call = c; |
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tc->optional_message = gpr_slice_from_copied_string(description); |
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GPR_ASSERT(status != GRPC_STATUS_OK); |
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GPR_ASSERT(status != GRPC_STATUS_OK); |
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tc->status = status; |
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set_status_code(c, STATUS_FROM_API_OVERRIDE, (uint32_t)status); |
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return terminate_with_status(exec_ctx, tc); |
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set_status_details(c, STATUS_FROM_API_OVERRIDE, details); |
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} |
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grpc_closure_init(&cc->closure, send_cancel, cc); |
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static grpc_call_error close_with_status(grpc_exec_ctx *exec_ctx, grpc_call *c, |
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cc->call = c; |
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grpc_status_code status, |
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cc->status = status; |
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const char *description) { |
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GRPC_CALL_INTERNAL_REF(c, "cancel"); |
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termination_closure *tc = gpr_malloc(sizeof(*tc)); |
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grpc_exec_ctx_enqueue(exec_ctx, &cc->closure, true, NULL); |
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memset(tc, 0, sizeof(termination_closure)); |
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tc->type = TC_CLOSE; |
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tc->call = c; |
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tc->optional_message = gpr_slice_from_copied_string(description); |
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GPR_ASSERT(status != GRPC_STATUS_OK); |
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tc->status = status; |
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return GRPC_CALL_OK; |
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return terminate_with_status(exec_ctx, tc); |
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} |
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} |
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static void execute_op(grpc_exec_ctx *exec_ctx, grpc_call *call, |
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static void execute_op(grpc_exec_ctx *exec_ctx, grpc_call *call, |
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@ -976,7 +983,7 @@ static grpc_mdelem *recv_initial_filter(void *callp, grpc_mdelem *elem) { |
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return NULL; |
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return NULL; |
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} else if (elem->key == GRPC_MDSTR_GRPC_ENCODING) { |
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} else if (elem->key == GRPC_MDSTR_GRPC_ENCODING) { |
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GPR_TIMER_BEGIN("incoming_compression_algorithm", 0); |
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GPR_TIMER_BEGIN("incoming_compression_algorithm", 0); |
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set_compression_algorithm(call, decode_compression(elem)); |
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set_incoming_compression_algorithm(call, decode_compression(elem)); |
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GPR_TIMER_END("incoming_compression_algorithm", 0); |
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GPR_TIMER_END("incoming_compression_algorithm", 0); |
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return NULL; |
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return NULL; |
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} else if (elem->key == GRPC_MDSTR_GRPC_ACCEPT_ENCODING) { |
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} else if (elem->key == GRPC_MDSTR_GRPC_ACCEPT_ENCODING) { |
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@ -1170,6 +1177,56 @@ static void receiving_stream_ready(grpc_exec_ctx *exec_ctx, void *bctlp, |
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} |
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} |
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} |
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} |
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static void validate_filtered_metadata(grpc_exec_ctx *exec_ctx, |
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batch_control *bctl) { |
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grpc_call *call = bctl->call; |
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/* validate call->incoming_compression_algorithm */ |
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if (call->incoming_compression_algorithm != GRPC_COMPRESS_NONE) { |
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const grpc_compression_algorithm algo = |
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call->incoming_compression_algorithm; |
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char *error_msg = NULL; |
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const grpc_compression_options compression_options = |
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grpc_channel_compression_options(call->channel); |
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/* check if algorithm is known */ |
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if (algo >= GRPC_COMPRESS_ALGORITHMS_COUNT) { |
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gpr_asprintf(&error_msg, "Invalid compression algorithm value '%d'.", |
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algo); |
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gpr_log(GPR_ERROR, error_msg); |
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close_with_status(exec_ctx, call, GRPC_STATUS_UNIMPLEMENTED, error_msg); |
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} else if (grpc_compression_options_is_algorithm_enabled( |
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&compression_options, algo) == 0) { |
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/* check if algorithm is supported by current channel config */ |
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char *algo_name; |
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grpc_compression_algorithm_name(algo, &algo_name); |
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gpr_asprintf(&error_msg, "Compression algorithm '%s' is disabled.", |
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algo_name); |
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gpr_log(GPR_ERROR, error_msg); |
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close_with_status(exec_ctx, call, GRPC_STATUS_UNIMPLEMENTED, error_msg); |
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} else { |
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call->incoming_compression_algorithm = algo; |
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} |
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gpr_free(error_msg); |
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} |
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/* make sure the received grpc-encoding is amongst the ones listed in
|
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* grpc-accept-encoding */ |
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GPR_ASSERT(call->encodings_accepted_by_peer != 0); |
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if (!GPR_BITGET(call->encodings_accepted_by_peer, |
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call->incoming_compression_algorithm)) { |
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extern int grpc_compression_trace; |
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if (grpc_compression_trace) { |
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char *algo_name; |
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grpc_compression_algorithm_name(call->incoming_compression_algorithm, |
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&algo_name); |
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gpr_log(GPR_ERROR, |
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"Compression algorithm (grpc-encoding = '%s') not present in " |
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"the bitset of accepted encodings (grpc-accept-encodings: " |
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"'0x%x')", |
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algo_name, call->encodings_accepted_by_peer); |
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} |
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} |
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} |
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static void receiving_initial_metadata_ready(grpc_exec_ctx *exec_ctx, |
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static void receiving_initial_metadata_ready(grpc_exec_ctx *exec_ctx, |
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void *bctlp, bool success) { |
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void *bctlp, bool success) { |
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batch_control *bctl = bctlp; |
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batch_control *bctl = bctlp; |
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@ -1184,24 +1241,10 @@ static void receiving_initial_metadata_ready(grpc_exec_ctx *exec_ctx, |
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&call->metadata_batch[1 /* is_receiving */][0 /* is_trailing */]; |
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&call->metadata_batch[1 /* is_receiving */][0 /* is_trailing */]; |
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grpc_metadata_batch_filter(md, recv_initial_filter, call); |
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grpc_metadata_batch_filter(md, recv_initial_filter, call); |
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/* make sure the received grpc-encoding is amongst the ones listed in
|
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GPR_TIMER_BEGIN("validate_filtered_metadata", 0); |
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* grpc-accept-encoding */ |
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validate_filtered_metadata(exec_ctx, bctl); |
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GPR_TIMER_END("validate_filtered_metadata", 0); |
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GPR_ASSERT(call->encodings_accepted_by_peer != 0); |
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if (!GPR_BITGET(call->encodings_accepted_by_peer, |
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call->incoming_compression_algorithm)) { |
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extern int grpc_compression_trace; |
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if (grpc_compression_trace) { |
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char *algo_name; |
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grpc_compression_algorithm_name(call->incoming_compression_algorithm, |
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&algo_name); |
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gpr_log(GPR_ERROR, |
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|
"Compression algorithm (grpc-encoding = '%s') not present in " |
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|
"the bitset of accepted encodings (grpc-accept-encodings: " |
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|
"'0x%x')", |
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algo_name, call->encodings_accepted_by_peer); |
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} |
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} |
|
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if (gpr_time_cmp(md->deadline, gpr_inf_future(md->deadline.clock_type)) != |
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|
|
if (gpr_time_cmp(md->deadline, gpr_inf_future(md->deadline.clock_type)) != |
|
|
|
0 && |
|
|
|
0 && |
|
|
|
!call->is_client) { |
|
|
|
!call->is_client) { |
|
|
|
@ -1356,8 +1399,12 @@ static grpc_call_error call_start_batch(grpc_exec_ctx *exec_ctx, |
|
|
|
.compression_level; |
|
|
|
.compression_level; |
|
|
|
level_set = true; |
|
|
|
level_set = true; |
|
|
|
} else { |
|
|
|
} else { |
|
|
|
level_set = grpc_channel_default_compression_level( |
|
|
|
const grpc_compression_options copts = |
|
|
|
call->channel, &effective_compression_level); |
|
|
|
grpc_channel_compression_options(call->channel); |
|
|
|
|
|
|
|
level_set = copts.default_level.is_set; |
|
|
|
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|
|
|
if (level_set) { |
|
|
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|
|
effective_compression_level = copts.default_level.level; |
|
|
|
|
|
|
|
} |
|
|
|
} |
|
|
|
} |
|
|
|
if (level_set) { |
|
|
|
if (level_set) { |
|
|
|
const grpc_compression_algorithm calgo = |
|
|
|
const grpc_compression_algorithm calgo = |
|
|
|
|
David Garcia Quintas
9 years ago