| /* |
| * |
| * Copyright 2015 gRPC authors. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| * |
| */ |
| |
| #include <grpc/support/port_platform.h> |
| |
| #include <grpc/support/alloc.h> |
| #include <grpc/support/atm.h> |
| #include <grpc/support/log.h> |
| |
| #include "src/core/lib/gpr/env.h" |
| #include "src/core/lib/gpr/string.h" |
| |
| #include <stdio.h> |
| #include <string.h> |
| |
| void gpr_default_log(gpr_log_func_args* args); |
| static gpr_atm g_log_func = (gpr_atm)gpr_default_log; |
| static gpr_atm g_min_severity_to_print = GPR_LOG_VERBOSITY_UNSET; |
| |
| const char* gpr_log_severity_string(gpr_log_severity severity) { |
| switch (severity) { |
| case GPR_LOG_SEVERITY_DEBUG: |
| return "D"; |
| case GPR_LOG_SEVERITY_INFO: |
| return "I"; |
| case GPR_LOG_SEVERITY_ERROR: |
| return "E"; |
| } |
| GPR_UNREACHABLE_CODE(return "UNKNOWN"); |
| } |
| |
| int gpr_should_log(gpr_log_severity severity) { |
| return static_cast<gpr_atm>(severity) >= |
| gpr_atm_no_barrier_load(&g_min_severity_to_print) |
| ? 1 |
| : 0; |
| } |
| |
| void gpr_log_message(const char* file, int line, gpr_log_severity severity, |
| const char* message) { |
| if (gpr_should_log(severity) == 0) { |
| return; |
| } |
| |
| gpr_log_func_args lfargs; |
| memset(&lfargs, 0, sizeof(lfargs)); |
| lfargs.file = file; |
| lfargs.line = line; |
| lfargs.severity = severity; |
| lfargs.message = message; |
| ((gpr_log_func)gpr_atm_no_barrier_load(&g_log_func))(&lfargs); |
| } |
| |
| void gpr_set_log_verbosity(gpr_log_severity min_severity_to_print) { |
| gpr_atm_no_barrier_store(&g_min_severity_to_print, |
| (gpr_atm)min_severity_to_print); |
| } |
| |
| void gpr_log_verbosity_init() { |
| char* verbosity = nullptr; |
| const char* insecure_getenv = gpr_getenv_silent("GRPC_VERBOSITY", &verbosity); |
| |
| gpr_atm min_severity_to_print = GPR_LOG_SEVERITY_ERROR; |
| if (verbosity != nullptr) { |
| if (gpr_stricmp(verbosity, "DEBUG") == 0) { |
| min_severity_to_print = static_cast<gpr_atm>(GPR_LOG_SEVERITY_DEBUG); |
| } else if (gpr_stricmp(verbosity, "INFO") == 0) { |
| min_severity_to_print = static_cast<gpr_atm>(GPR_LOG_SEVERITY_INFO); |
| } else if (gpr_stricmp(verbosity, "ERROR") == 0) { |
| min_severity_to_print = static_cast<gpr_atm>(GPR_LOG_SEVERITY_ERROR); |
| } |
| gpr_free(verbosity); |
| } |
| if ((gpr_atm_no_barrier_load(&g_min_severity_to_print)) == |
| GPR_LOG_VERBOSITY_UNSET) { |
| gpr_atm_no_barrier_store(&g_min_severity_to_print, min_severity_to_print); |
| } |
| |
| if (insecure_getenv != nullptr) { |
| gpr_log(GPR_DEBUG, "Warning: insecure environment read function '%s' used", |
| insecure_getenv); |
| } |
| } |
| |
| void gpr_set_log_function(gpr_log_func f) { |
| gpr_atm_no_barrier_store(&g_log_func, (gpr_atm)(f ? f : gpr_default_log)); |
| } |