[9449f15] | 1 | /* -*- Mode: C; tab-width: 4 -*- |
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| 2 | * |
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| 3 | * Copyright (c) 2003 Apple Computer, Inc. All rights reserved. |
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| 4 | * |
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| 5 | * Licensed under the Apache License, Version 2.0 (the "License"); |
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| 6 | * you may not use this file except in compliance with the License. |
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| 7 | * You may obtain a copy of the License at |
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| 8 | * |
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| 9 | * http://www.apache.org/licenses/LICENSE-2.0 |
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| 10 | * |
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| 11 | * Unless required by applicable law or agreed to in writing, software |
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| 12 | * distributed under the License is distributed on an "AS IS" BASIS, |
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| 13 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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| 14 | * See the License for the specific language governing permissions and |
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| 15 | * limitations under the License. |
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| 16 | |
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| 17 | File: mDNSDebug.c |
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| 18 | |
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| 19 | Contains: Implementation of debugging utilities. Requires a POSIX environment. |
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| 20 | |
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| 21 | Version: 1.0 |
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| 22 | |
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| 23 | */ |
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| 24 | |
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| 25 | #include "mDNSDebug.h" |
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| 26 | |
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| 27 | #include <stdio.h> |
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| 28 | |
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| 29 | #if defined(WIN32) || defined(EFI32) || defined(EFI64) || defined(EFIX64) |
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| 30 | // Need to add Windows/EFI syslog support here |
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| 31 | #define LOG_PID 0x01 |
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| 32 | #define LOG_CONS 0x02 |
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| 33 | #define LOG_PERROR 0x20 |
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| 34 | #else |
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| 35 | #include <syslog.h> |
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| 36 | #endif |
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| 37 | |
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| 38 | #include "mDNSEmbeddedAPI.h" |
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| 39 | |
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| 40 | mDNSexport int mDNS_LoggingEnabled = 0; |
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| 41 | mDNSexport int mDNS_PacketLoggingEnabled = 0; |
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| 42 | mDNSexport int mDNS_McastLoggingEnabled = 0; |
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| 43 | mDNSexport int mDNS_McastTracingEnabled = 0; |
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| 44 | |
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| 45 | #if MDNS_DEBUGMSGS |
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| 46 | mDNSexport int mDNS_DebugMode = mDNStrue; |
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| 47 | #else |
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| 48 | mDNSexport int mDNS_DebugMode = mDNSfalse; |
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| 49 | #endif |
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| 50 | |
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| 51 | // Note, this uses mDNS_vsnprintf instead of standard "vsnprintf", because mDNS_vsnprintf knows |
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| 52 | // how to print special data types like IP addresses and length-prefixed domain names |
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| 53 | #if MDNS_DEBUGMSGS > 1 |
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| 54 | mDNSexport void verbosedebugf_(const char *format, ...) |
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| 55 | { |
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| 56 | char buffer[512]; |
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| 57 | va_list ptr; |
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| 58 | va_start(ptr,format); |
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| 59 | buffer[mDNS_vsnprintf(buffer, sizeof(buffer), format, ptr)] = 0; |
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| 60 | va_end(ptr); |
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| 61 | mDNSPlatformWriteDebugMsg(buffer); |
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| 62 | } |
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| 63 | #endif |
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| 64 | |
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| 65 | // Log message with default "mDNSResponder" ident string at the start |
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| 66 | mDNSlocal void LogMsgWithLevelv(mDNSLogLevel_t logLevel, const char *format, va_list ptr) |
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| 67 | { |
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| 68 | char buffer[512]; |
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| 69 | buffer[mDNS_vsnprintf((char *)buffer, sizeof(buffer), format, ptr)] = 0; |
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| 70 | mDNSPlatformWriteLogMsg(ProgramName, buffer, logLevel); |
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| 71 | } |
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| 72 | |
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| 73 | #define LOG_HELPER_BODY(L) \ |
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| 74 | { \ |
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| 75 | va_list ptr; \ |
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| 76 | va_start(ptr,format); \ |
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| 77 | LogMsgWithLevelv(L, format, ptr); \ |
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| 78 | va_end(ptr); \ |
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| 79 | } |
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| 80 | |
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| 81 | // see mDNSDebug.h |
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| 82 | #if !MDNS_HAS_VA_ARG_MACROS |
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| 83 | void LogMsg_(const char *format, ...) LOG_HELPER_BODY(MDNS_LOG_MSG) |
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| 84 | void LogOperation_(const char *format, ...) LOG_HELPER_BODY(MDNS_LOG_OPERATION) |
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| 85 | void LogSPS_(const char *format, ...) LOG_HELPER_BODY(MDNS_LOG_SPS) |
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| 86 | void LogInfo_(const char *format, ...) LOG_HELPER_BODY(MDNS_LOG_INFO) |
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| 87 | #endif |
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| 88 | |
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| 89 | #if MDNS_DEBUGMSGS |
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| 90 | void debugf_(const char *format, ...) LOG_HELPER_BODY(MDNS_LOG_DEBUG) |
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| 91 | #endif |
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| 92 | |
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| 93 | // Log message with default "mDNSResponder" ident string at the start |
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| 94 | mDNSexport void LogMsgWithLevel(mDNSLogLevel_t logLevel, const char *format, ...) |
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| 95 | LOG_HELPER_BODY(logLevel) |
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