1 /* -*- Mode: C; tab-width: 4 -*- 2 * 3 * Copyright (c) 2003-2015 Apple Inc. All rights reserved. 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 #include "mDNSDebug.h" 19 20 #include <stdio.h> 21 22 #if defined(WIN32) || defined(EFI32) || defined(EFI64) || defined(EFIX64) 23 // Need to add Windows/EFI syslog support here 24 #define LOG_PID 0x01 25 #define LOG_CONS 0x02 26 #define LOG_PERROR 0x20 27 #else 28 #include <syslog.h> 29 #endif 30 31 #include "mDNSEmbeddedAPI.h" 32 33 mDNSexport int mDNS_LoggingEnabled = 0; 34 mDNSexport int mDNS_PacketLoggingEnabled = 0; 35 mDNSexport int mDNS_McastLoggingEnabled = 0; 36 mDNSexport int mDNS_McastTracingEnabled = 0; 37 38 #if MDNS_DEBUGMSGS 39 mDNSexport int mDNS_DebugMode = mDNStrue; 40 #else 41 mDNSexport int mDNS_DebugMode = mDNSfalse; 42 #endif 43 44 // Note, this uses mDNS_vsnprintf instead of standard "vsnprintf", because mDNS_vsnprintf knows 45 // how to print special data types like IP addresses and length-prefixed domain names 46 #if MDNS_DEBUGMSGS > 1 47 mDNSexport void verbosedebugf_(const char *format, ...) 48 { 49 char buffer[512]; 50 va_list ptr; 51 va_start(ptr,format); 52 buffer[mDNS_vsnprintf(buffer, sizeof(buffer), format, ptr)] = 0; 53 va_end(ptr); 54 mDNSPlatformWriteDebugMsg(buffer); 55 } 56 #endif 57 58 // Log message with default "mDNSResponder" ident string at the start 59 mDNSlocal void LogMsgWithLevelv(mDNSLogLevel_t logLevel, const char *format, va_list ptr) 60 { 61 char buffer[512]; 62 buffer[mDNS_vsnprintf((char *)buffer, sizeof(buffer), format, ptr)] = 0; 63 mDNSPlatformWriteLogMsg(ProgramName, buffer, logLevel); 64 } 65 66 #define LOG_HELPER_BODY(L) \ 67 { \ 68 va_list ptr; \ 69 va_start(ptr,format); \ 70 LogMsgWithLevelv(L, format, ptr); \ 71 va_end(ptr); \ 72 } 73 74 // see mDNSDebug.h 75 #if !MDNS_HAS_VA_ARG_MACROS 76 void LogMsg_(const char *format, ...) LOG_HELPER_BODY(MDNS_LOG_MSG) 77 void LogOperation_(const char *format, ...) LOG_HELPER_BODY(MDNS_LOG_OPERATION) 78 void LogSPS_(const char *format, ...) LOG_HELPER_BODY(MDNS_LOG_SPS) 79 void LogInfo_(const char *format, ...) LOG_HELPER_BODY(MDNS_LOG_INFO) 80 #endif 81 82 #if MDNS_DEBUGMSGS 83 void debugf_(const char *format, ...) LOG_HELPER_BODY(MDNS_LOG_DEBUG) 84 #endif 85 86 // Log message with default "mDNSResponder" ident string at the start 87 mDNSexport void LogMsgWithLevel(mDNSLogLevel_t logLevel, const char *format, ...) 88 LOG_HELPER_BODY(logLevel) 89