1 /* -*- Mode: C; tab-width: 4 -*- 2 * 3 * Copyright (c) 2003 Apple Computer, 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 File: mDNSDebug.c 18 19 Contains: Implementation of debugging utilities. Requires a POSIX environment. 20 21 Version: 1.0 22 23 */ 24 25 #include "mDNSDebug.h" 26 27 #include <stdio.h> 28 29 #if defined(WIN32) || defined(EFI32) || defined(EFI64) || defined(EFIX64) 30 // Need to add Windows/EFI syslog support here 31 #define LOG_PID 0x01 32 #define LOG_CONS 0x02 33 #define LOG_PERROR 0x20 34 #else 35 #include <syslog.h> 36 #endif 37 38 #include "mDNSEmbeddedAPI.h" 39 40 // TODO - turn off debugging 41 mDNSexport int mDNS_LoggingEnabled = 1; 42 mDNSexport int mDNS_PacketLoggingEnabled = 0; 43 44 #if MDNS_DEBUGMSGS && !defined(__ANDROID__) 45 mDNSexport int mDNS_DebugMode = mDNStrue; 46 #else 47 mDNSexport int mDNS_DebugMode = mDNSfalse; 48 #endif 49 50 // Note, this uses mDNS_vsnprintf instead of standard "vsnprintf", because mDNS_vsnprintf knows 51 // how to print special data types like IP addresses and length-prefixed domain names 52 #if MDNS_DEBUGMSGS > 1 53 mDNSexport void verbosedebugf_(const char *format, ...) 54 { 55 char buffer[512]; 56 va_list ptr; 57 va_start(ptr,format); 58 buffer[mDNS_vsnprintf(buffer, sizeof(buffer), format, ptr)] = 0; 59 va_end(ptr); 60 mDNSPlatformWriteDebugMsg(buffer); 61 } 62 #endif 63 64 // Log message with default "mDNSResponder" ident string at the start 65 mDNSlocal void LogMsgWithLevelv(mDNSLogLevel_t logLevel, const char *format, va_list ptr) 66 { 67 char buffer[512]; 68 buffer[mDNS_vsnprintf((char *)buffer, sizeof(buffer), format, ptr)] = 0; 69 mDNSPlatformWriteLogMsg(ProgramName, buffer, logLevel); 70 } 71 72 #define LOG_HELPER_BODY(L) \ 73 { \ 74 va_list ptr; \ 75 va_start(ptr,format); \ 76 LogMsgWithLevelv(L, format, ptr); \ 77 va_end(ptr); \ 78 } 79 80 // see mDNSDebug.h 81 #if !MDNS_HAS_VA_ARG_MACROS 82 void LogMsg_(const char *format, ...) LOG_HELPER_BODY(MDNS_LOG_MSG) 83 void LogOperation_(const char *format, ...) LOG_HELPER_BODY(MDNS_LOG_OPERATION) 84 void LogSPS_(const char *format, ...) LOG_HELPER_BODY(MDNS_LOG_SPS) 85 void LogInfo_(const char *format, ...) LOG_HELPER_BODY(MDNS_LOG_INFO) 86 #endif 87 88 #if MDNS_DEBUGMSGS 89 void debugf_(const char *format, ...) LOG_HELPER_BODY(MDNS_LOG_DEBUG) 90 #endif 91 92 // Log message with default "mDNSResponder" ident string at the start 93 mDNSexport void LogMsgWithLevel(mDNSLogLevel_t logLevel, const char *format, ...) 94 LOG_HELPER_BODY(logLevel) 95
