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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>
#include <grpc/support/alloc.h>
#include <grpc/support/atm.h>
#include <grpc/support/log.h>
#include "src/core/lib/gpr/string.h"
#include "src/core/lib/gprpp/global_config.h"
#include <stdio.h>
#include <string.h>
#ifndef GPR_DEFAULT_LOG_VERBOSITY_STRING
#define GPR_DEFAULT_LOG_VERBOSITY_STRING "ERROR"
#endif // !GPR_DEFAULT_LOG_VERBOSITY_STRING
GPR_GLOBAL_CONFIG_DEFINE_STRING(grpc_verbosity,
GPR_DEFAULT_LOG_VERBOSITY_STRING,
"Default gRPC logging verbosity")
GPR_GLOBAL_CONFIG_DEFINE_STRING(grpc_stacktrace_minloglevel, "",
"Messages logged at the same or higher level "
"than this will print stacktrace")
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;
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(const char* str, gpr_atm error_value) {
if (gpr_stricmp(str, "DEBUG") == 0) {
return GPR_LOG_SEVERITY_DEBUG;
} else if (gpr_stricmp(str, "INFO") == 0) {
return GPR_LOG_SEVERITY_INFO;
} else if (gpr_stricmp(str, "ERROR") == 0) {
return GPR_LOG_SEVERITY_ERROR;
} else if (gpr_stricmp(str, "NONE") == 0) {
return GPR_LOG_SEVERITY_NONE;
} else {
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) {
grpc_core::UniquePtr<char> verbosity =
GPR_GLOBAL_CONFIG_GET(grpc_verbosity);
gpr_atm min_severity_to_print = GPR_LOG_SEVERITY_ERROR;
if (strlen(verbosity.get()) > 0) {
min_severity_to_print =
parse_log_severity(verbosity.get(), 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) {
grpc_core::UniquePtr<char> stacktrace_minloglevel =
GPR_GLOBAL_CONFIG_GET(grpc_stacktrace_minloglevel);
gpr_atm min_severity_to_print_stacktrace = GPR_LOG_SEVERITY_NONE;
if (strlen(stacktrace_minloglevel.get()) > 0) {
min_severity_to_print_stacktrace = parse_log_severity(
stacktrace_minloglevel.get(), 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));
}
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