diff options
Diffstat (limited to 'src/core/lib/gpr/log_linux.cc')
-rw-r--r-- | src/core/lib/gpr/log_linux.cc | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/src/core/lib/gpr/log_linux.cc b/src/core/lib/gpr/log_linux.cc new file mode 100644 index 0000000000..6b1f1c71e4 --- /dev/null +++ b/src/core/lib/gpr/log_linux.cc @@ -0,0 +1,92 @@ +/* + * + * 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 <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, ...) { + 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 = (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 */ |