mirror of https://github.com/grpc/grpc.git
This will help greatly when it comes to diagnosing customer issues.pull/677/head
Craig Tiller
10 years ago
parent
00bdbe64a0
commit
6e7c62285c
15 changed files with 246 additions and 58 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/debug/trace.h" |
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#include <string.h> |
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#include <grpc/support/alloc.h> |
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#include <grpc/support/log.h> |
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#include "src/core/support/env.h" |
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gpr_uint32 grpc_trace_bits; |
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static void add(const char *beg, const char *end, char ***ss, size_t *ns) { |
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size_t n = *ns; |
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size_t np = n + 1; |
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char *s = gpr_malloc(end - beg + 1); |
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memcpy(s, beg, end - beg); |
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s[end-beg] = 0; |
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*ss = gpr_realloc(*ss, sizeof(char**) * np); |
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(*ss)[n] = s; |
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*ns = np; |
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} |
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static void split(const char *s, char ***ss, size_t *ns) { |
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const char *c = strchr(s, ','); |
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if (c == NULL) { |
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add(s, s + strlen(s), ss, ns); |
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} else { |
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add(s, c, ss, ns); |
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split(c+1, ss, ns); |
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} |
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} |
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static void parse(const char *s) { |
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char **strings = NULL; |
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size_t nstrings = 0; |
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size_t i; |
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split(s, &strings, &nstrings); |
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grpc_trace_bits = 0; |
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for (i = 0; i < nstrings; i++) { |
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const char *s = strings[i]; |
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if (0 == strcmp(s, "surface")) { |
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grpc_trace_bits |= GRPC_TRACE_SURFACE; |
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} else if (0 == strcmp(s, "channel")) { |
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grpc_trace_bits |= GRPC_TRACE_CHANNEL; |
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} else if (0 == strcmp(s, "tcp")) { |
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grpc_trace_bits |= GRPC_TRACE_TCP; |
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} else if (0 == strcmp(s, "secure_endpoint")) { |
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grpc_trace_bits |= GRPC_TRACE_SECURE_ENDPOINT; |
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} else if (0 == strcmp(s, "all")) { |
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grpc_trace_bits = -1; |
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} else { |
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gpr_log(GPR_ERROR, "Unknown trace var: '%s'", s); |
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} |
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} |
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for (i = 0; i < nstrings; i++) { |
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gpr_free(strings[i]); |
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} |
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gpr_free(strings); |
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} |
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void grpc_init_trace_bits() { |
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char *e = gpr_getenv("GRPC_TRACE"); |
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if (e == NULL) { |
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grpc_trace_bits = 0; |
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} else { |
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parse(e); |
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gpr_free(e); |
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} |
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} |
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@ -0,0 +1,51 @@ |
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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_CORE_DEBUG_TRACE_H |
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#define GRPC_CORE_DEBUG_TRACE_H |
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#include <grpc/support/port_platform.h> |
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typedef enum { |
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GRPC_TRACE_SURFACE = 1 << 0, |
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GRPC_TRACE_CHANNEL = 1 << 1, |
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GRPC_TRACE_TCP = 1 << 2, |
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GRPC_TRACE_SECURE_ENDPOINT = 1 << 3 |
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} grpc_trace_bit_value; |
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extern gpr_uint32 grpc_trace_bits; |
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void grpc_init_trace_bits(); |
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#endif |
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