1 /* 2 * 3 * Copyright 2015 gRPC authors. 4 * 5 * Licensed under the Apache License, Version 2.0 (the "License"); 6 * you may not use this file except in compliance with the License. 7 * You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 * 17 */ 18 19 #ifndef GRPC_SUPPORT_LOG_H 20 #define GRPC_SUPPORT_LOG_H 21 22 #include <grpc/support/port_platform.h> 23 #include <stdarg.h> 24 #include <stdlib.h> /* for abort() */ 25 26 #ifdef __cplusplus 27 extern "C" { 28 #endif 29 30 /** The severity of a log message - use the #defines below when calling into 31 grpc_absl_log to additionally supply file and line data */ 32 typedef enum gpr_log_severity { 33 GPR_LOG_SEVERITY_DEBUG, 34 GPR_LOG_SEVERITY_INFO, 35 GPR_LOG_SEVERITY_ERROR 36 } gpr_log_severity; 37 38 /** Macros to build log contexts at various severity levels */ 39 #define GPR_DEBUG __FILE__, __LINE__, GPR_LOG_SEVERITY_DEBUG 40 #define GPR_INFO __FILE__, __LINE__, GPR_LOG_SEVERITY_INFO 41 #define GPR_ERROR __FILE__, __LINE__, GPR_LOG_SEVERITY_ERROR 42 43 /** 44 * EXPERIMENTAL. API stability not guaranteed. 45 * Should only be used from gRPC PHP and RUBY. 46 * This will be removed once Ruby and PHP can start using C++ APIs. 47 * We would replace this with calls to absl LOG functions. 48 * grpc_absl_log is equivalent to 49 * ABSL_LOG(severity) << message_str; 50 * **/ 51 GPRAPI void grpc_absl_log(const char* file, int line, gpr_log_severity severity, 52 const char* message_str); 53 54 /** 55 * EXPERIMENTAL. API stability not guaranteed. 56 * Should only be used from gRPC PHP and RUBY. 57 * This will be removed once Ruby and PHP can start using C++ APIs. 58 * We would replace this with calls to absl LOG functions. 59 * grpc_absl_log_int is equivalent to 60 * ABSL_LOG(severity) << message_str << num; 61 * **/ 62 GPRAPI void grpc_absl_log_int(const char* file, int line, 63 gpr_log_severity severity, 64 const char* message_str, intptr_t num); 65 66 /** 67 * EXPERIMENTAL. API stability not guaranteed. 68 * Should only be used from gRPC PHP and RUBY. 69 * This will be removed once Ruby and PHP can start using C++ APIs. 70 * We would replace this with calls to absl LOG functions. 71 * grpc_absl_log_str is equivalent to 72 * ABSL_LOG(severity) << message_str1 << message_str2; 73 * **/ 74 GPRAPI void grpc_absl_log_str(const char* file, int line, 75 gpr_log_severity severity, 76 const char* message_str1, 77 const char* message_str2); 78 79 GPRAPI void gpr_log_verbosity_init(void); 80 81 #ifdef __cplusplus 82 } 83 #endif 84 85 #endif /* GRPC_SUPPORT_LOG_H */ 86