| /* |
| * |
| * 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. |
| * |
| */ |
| |
| #ifndef _POSIX_SOURCE |
| #define _POSIX_SOURCE |
| #endif |
| |
| #ifndef _GNU_SOURCE |
| #define _GNU_SOURCE |
| #endif |
| |
| #include <grpc/support/port_platform.h> |
| |
| #ifdef GPR_LINUX_LOG |
| |
| #include <grpc/support/alloc.h> |
| #include <grpc/support/log.h> |
| #include <grpc/support/string_util.h> |
| #include <grpc/support/time.h> |
| #include <inttypes.h> |
| #include <stdarg.h> |
| #include <stdio.h> |
| #include <string.h> |
| #include <sys/syscall.h> |
| #include <time.h> |
| #include <unistd.h> |
| |
| static long gettid(void) { return syscall(__NR_gettid); } |
| |
| void gpr_log(const char* file, int line, gpr_log_severity severity, |
| const char* format, ...) { |
| /* Avoid message construction if gpr_log_message won't log */ |
| if (gpr_should_log(severity) == 0) { |
| return; |
| } |
| char* message = nullptr; |
| va_list args; |
| va_start(args, format); |
| if (vasprintf(&message, format, args) == -1) { |
| va_end(args); |
| return; |
| } |
| va_end(args); |
| gpr_log_message(file, line, severity, message); |
| /* message has been allocated by vasprintf above, and needs free */ |
| free(message); |
| } |
| |
| void gpr_default_log(gpr_log_func_args* args) { |
| const char* final_slash; |
| char* prefix; |
| const char* display_file; |
| char time_buffer[64]; |
| time_t timer; |
| gpr_timespec now = gpr_now(GPR_CLOCK_REALTIME); |
| struct tm tm; |
| static __thread long tid = 0; |
| if (tid == 0) tid = gettid(); |
| |
| timer = static_cast<time_t>(now.tv_sec); |
| final_slash = strrchr(args->file, '/'); |
| if (final_slash == nullptr) |
| display_file = args->file; |
| else |
| display_file = final_slash + 1; |
| |
| if (!localtime_r(&timer, &tm)) { |
| strcpy(time_buffer, "error:localtime"); |
| } else if (0 == |
| strftime(time_buffer, sizeof(time_buffer), "%m%d %H:%M:%S", &tm)) { |
| strcpy(time_buffer, "error:strftime"); |
| } |
| |
| gpr_asprintf(&prefix, "%s%s.%09" PRId32 " %7ld %s:%d]", |
| gpr_log_severity_string(args->severity), time_buffer, |
| now.tv_nsec, tid, display_file, args->line); |
| |
| fprintf(stderr, "%-60s %s\n", prefix, args->message); |
| gpr_free(prefix); |
| } |
| |
| #endif /* GPR_LINUX_LOG */ |