| // |
| // |
| // 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 <stdio.h> |
| #include <string.h> |
| |
| #include "absl/strings/match.h" |
| #include "absl/strings/str_cat.h" |
| |
| #include <grpc/support/alloc.h> |
| #include <grpc/support/atm.h> |
| #include <grpc/support/log.h> |
| |
| #include "src/core/lib/config/config_vars.h" |
| #include "src/core/lib/gpr/string.h" |
| #include "src/core/lib/gprpp/crash.h" |
| |
| #ifndef GPR_DEFAULT_LOG_VERBOSITY_STRING |
| #define GPR_DEFAULT_LOG_VERBOSITY_STRING "ERROR" |
| #endif // !GPR_DEFAULT_LOG_VERBOSITY_STRING |
| |
| static constexpr gpr_atm GPR_LOG_SEVERITY_UNSET = GPR_LOG_SEVERITY_ERROR + 10; |
| static constexpr gpr_atm GPR_LOG_SEVERITY_NONE = GPR_LOG_SEVERITY_ERROR + 11; |
| |
| void gpr_default_log(gpr_log_func_args* args); |
| static gpr_atm g_log_func = reinterpret_cast<gpr_atm>(gpr_default_log); |
| static gpr_atm g_min_severity_to_print = GPR_LOG_SEVERITY_UNSET; |
| static gpr_atm g_min_severity_to_print_stacktrace = GPR_LOG_SEVERITY_UNSET; |
| |
| void gpr_unreachable_code(const char* reason, const char* file, int line) { |
| grpc_core::Crash(absl::StrCat("UNREACHABLE CODE: ", reason), |
| grpc_core::SourceLocation(file, line)); |
| } |
| |
| void gpr_assertion_failed(const char* filename, int line, const char* message) { |
| grpc_core::Crash(absl::StrCat("ASSERTION FAILED: ", message), |
| grpc_core::SourceLocation(filename, line)); |
| } |
| |
| 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; |
| } |
| |
| int gpr_should_log_stacktrace(gpr_log_severity severity) { |
| return static_cast<gpr_atm>(severity) >= |
| gpr_atm_no_barrier_load(&g_min_severity_to_print_stacktrace) |
| ? 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; |
| reinterpret_cast<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); |
| } |
| |
| static gpr_atm parse_log_severity(absl::string_view str, gpr_atm error_value) { |
| if (absl::EqualsIgnoreCase(str, "DEBUG")) return GPR_LOG_SEVERITY_DEBUG; |
| if (absl::EqualsIgnoreCase(str, "INFO")) return GPR_LOG_SEVERITY_INFO; |
| if (absl::EqualsIgnoreCase(str, "ERROR")) return GPR_LOG_SEVERITY_ERROR; |
| if (absl::EqualsIgnoreCase(str, "NONE")) return GPR_LOG_SEVERITY_NONE; |
| return error_value; |
| } |
| |
| void gpr_log_verbosity_init() { |
| // init verbosity when it hasn't been set |
| if ((gpr_atm_no_barrier_load(&g_min_severity_to_print)) == |
| GPR_LOG_SEVERITY_UNSET) { |
| auto verbosity = grpc_core::ConfigVars::Get().Verbosity(); |
| gpr_atm min_severity_to_print = GPR_LOG_SEVERITY_ERROR; |
| if (!verbosity.empty()) { |
| min_severity_to_print = |
| parse_log_severity(verbosity, min_severity_to_print); |
| } |
| gpr_atm_no_barrier_store(&g_min_severity_to_print, min_severity_to_print); |
| } |
| // init stacktrace_minloglevel when it hasn't been set |
| if ((gpr_atm_no_barrier_load(&g_min_severity_to_print_stacktrace)) == |
| GPR_LOG_SEVERITY_UNSET) { |
| auto stacktrace_minloglevel = |
| grpc_core::ConfigVars::Get().StacktraceMinloglevel(); |
| gpr_atm min_severity_to_print_stacktrace = GPR_LOG_SEVERITY_NONE; |
| if (!stacktrace_minloglevel.empty()) { |
| min_severity_to_print_stacktrace = parse_log_severity( |
| stacktrace_minloglevel, min_severity_to_print_stacktrace); |
| } |
| gpr_atm_no_barrier_store(&g_min_severity_to_print_stacktrace, |
| min_severity_to_print_stacktrace); |
| } |
| } |
| |
| void gpr_set_log_function(gpr_log_func f) { |
| gpr_atm_no_barrier_store(&g_log_func, (gpr_atm)(f ? f : gpr_default_log)); |
| } |