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/*
*
* 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>
#ifdef GPR_POSIX_LOG
#include <grpc/support/alloc.h>
#include <grpc/support/log.h>
#include <grpc/support/string_util.h>
#include <grpc/support/time.h>
#include <pthread.h>
#include <stdarg.h>
#include <stdio.h>
#include <string.h>
#include <time.h>
static intptr_t gettid(void) { return (intptr_t)pthread_self(); }
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 buf[64];
char* allocated = nullptr;
char* message = nullptr;
int ret;
va_list args;
va_start(args, format);
ret = vsnprintf(buf, sizeof(buf), format, args);
va_end(args);
if (ret < 0) {
message = nullptr;
} else if ((size_t)ret <= sizeof(buf) - 1) {
message = buf;
} else {
message = allocated = (char*)gpr_malloc((size_t)ret + 1);
va_start(args, format);
vsnprintf(message, (size_t)(ret + 1), format, args);
va_end(args);
}
gpr_log_message(file, line, severity, message);
gpr_free(allocated);
}
void gpr_default_log(gpr_log_func_args* args) {
const char* final_slash;
const char* display_file;
char time_buffer[64];
time_t timer;
gpr_timespec now = gpr_now(GPR_CLOCK_REALTIME);
struct tm tm;
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");
}
char* prefix;
gpr_asprintf(&prefix, "%s%s.%09d %7tu %s:%d]",
gpr_log_severity_string(args->severity), time_buffer,
(int)(now.tv_nsec), gettid(), display_file, args->line);
fprintf(stderr, "%-70s %s\n", prefix, args->message);
gpr_free(prefix);
}
#endif /* defined(GPR_POSIX_LOG) */
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