log.h

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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.
 *
 */
 
#ifndef GRPC_SUPPORT_LOG_H
#define GRPC_SUPPORT_LOG_H
 
#include <grpc/support/port_platform.h>
 
#include <stdarg.h>
#include <stdlib.h> /* for abort() */
 
#ifdef __cplusplus
extern "C" {
#endif
 
typedef enum gpr_log_severity {
  GPR_LOG_SEVERITY_DEBUG,
  GPR_LOG_SEVERITY_INFO,
  GPR_LOG_SEVERITY_ERROR
} gpr_log_severity;
 
GPRAPI const char* gpr_log_severity_string(gpr_log_severity severity);
 
#define GPR_DEBUG __FILE__, __LINE__, GPR_LOG_SEVERITY_DEBUG
#define GPR_INFO __FILE__, __LINE__, GPR_LOG_SEVERITY_INFO
#define GPR_ERROR __FILE__, __LINE__, GPR_LOG_SEVERITY_ERROR
 
GPRAPI void gpr_log(const char* file, int line, gpr_log_severity severity,
                    const char* format, ...) GPR_PRINT_FORMAT_CHECK(4, 5);
 
GPRAPI int gpr_should_log(gpr_log_severity severity);
 
GPRAPI void gpr_log_message(const char* file, int line,
                            gpr_log_severity severity, const char* message);
 
GPRAPI void gpr_set_log_verbosity(gpr_log_severity min_severity_to_print);
 
GPRAPI void gpr_log_verbosity_init(void);
 
struct gpr_log_func_args {
  const char* file;
  int line;
  gpr_log_severity severity;
  const char* message;
};
 
typedef struct gpr_log_func_args gpr_log_func_args;
 
typedef void (*gpr_log_func)(gpr_log_func_args* args);
GPRAPI void gpr_set_log_function(gpr_log_func func);
 
GPRAPI void gpr_assertion_failed(const char* filename, int line,
                                 const char* message) GPR_ATTRIBUTE_NORETURN;
 
#define GPR_ASSERT(x)                               \
  do {                                              \
    if (GPR_UNLIKELY(!(x))) {                       \
      gpr_assertion_failed(__FILE__, __LINE__, #x); \
    }                                               \
  } while (0)
 
#ifndef NDEBUG
#define GPR_DEBUG_ASSERT(x) GPR_ASSERT(x)
#else
#define GPR_DEBUG_ASSERT(x)
#endif
 
#ifdef __cplusplus
}
#endif
 
#endif /* GRPC_SUPPORT_LOG_H */