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 #include <grpc/support/port_platform.h> 20 21 #ifdef GPR_ANDROID 22 23 #include <android/log.h> 24 #include <grpc/support/log.h> 25 #include <grpc/support/time.h> 26 #include <stdarg.h> 27 #include <stdio.h> 28 #include <string.h> 29 30 static android_LogPriority severity_to_log_priority(gpr_log_severity severity) { 31 switch (severity) { 32 case GPR_LOG_SEVERITY_DEBUG: 33 return ANDROID_LOG_DEBUG; 34 case GPR_LOG_SEVERITY_INFO: 35 return ANDROID_LOG_INFO; 36 case GPR_LOG_SEVERITY_ERROR: 37 return ANDROID_LOG_ERROR; 38 } 39 return ANDROID_LOG_DEFAULT; 40 } 41 42 void gpr_log(const char* file, int line, gpr_log_severity severity, 43 const char* format, ...) { 44 /* Avoid message construction if gpr_log_message won't log */ 45 if (gpr_should_log(severity) == 0) { 46 return; 47 } 48 char* message = NULL; 49 va_list args; 50 va_start(args, format); 51 vasprintf(&message, format, args); 52 va_end(args); 53 gpr_log_message(file, line, severity, message); 54 free(message); 55 } 56 57 void gpr_default_log(gpr_log_func_args* args) { 58 const char* final_slash; 59 const char* display_file; 60 char* output = NULL; 61 62 final_slash = strrchr(args->file, '/'); 63 if (final_slash == NULL) 64 display_file = args->file; 65 else 66 display_file = final_slash + 1; 67 68 asprintf(&output, "%s:%d] %s", display_file, args->line, args->message); 69 70 __android_log_write(severity_to_log_priority(args->severity), "GRPC", output); 71 72 /* allocated by asprintf => use free, not gpr_free */ 73 free(output); 74 } 75 76 #endif /* GPR_ANDROID */ 77