Robin E.R. Davies
148 lines
3.4 KiB
C++
148 lines
3.4 KiB
C++
// Copyright (c) Robin E.R. Davies
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy of
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// this software and associated documentation files (the "Software"), to deal in
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// the Software without restriction, including without limitation the rights to
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// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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// the Software, and to permit persons to whom the Software is furnished to do so,
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// subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in all
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// copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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#include "LogFeature.hpp"
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#include <mutex>
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#include <cstdio>
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#include "Lv2Log.hpp"
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using namespace pipedal;
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using namespace std;
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int LogFeature::printfFn(LV2_Log_Handle handle, LV2_URID type, const char* fmt, ...)
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{
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va_list va;
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va_start(va, fmt);
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LogFeature* logFeature = (LogFeature*)handle;
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return logFeature->vprintf(type, fmt, va);
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}
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int LogFeature::vprintfFn(LV2_Log_Handle handle,
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LV2_URID type,
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const char* fmt,
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va_list ap)
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{
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LogFeature* logFeature = (LogFeature*)handle;
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return logFeature->vprintf(type, fmt, ap);
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}
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int LogFeature::vprintf(LV2_URID type,const char*fmt, va_list va)
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{
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std::lock_guard<std::mutex> guard(logMutex);
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int result = 0;
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if (this->logMessageListener)
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{
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const char* prefix = "";
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char buffer[1024];
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strcpy(buffer,messagePrefix.c_str());
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char *p = buffer+messagePrefix.length();
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result = vsnprintf(p, sizeof(buffer)-messagePrefix.length(), fmt, va);
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buffer[sizeof(buffer)-1] = '\0';
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// strip trailing \n
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size_t len = strlen(buffer);
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if (len != 0 && buffer[len-1] == '\n')
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{
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buffer[len-1] = '\0';
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}
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if (type == uris.ridError)
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{
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logMessageListener->OnLogError(buffer);
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}
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else if (type == uris.ridWarning)
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{
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logMessageListener->OnLogWarning(buffer);
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}
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else if (type == uris.ridNote)
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{
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logMessageListener->OnLogInfo(buffer);
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}
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else if (type == uris.ridTrace)
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{
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logMessageListener->OnLogDebug(buffer);
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}
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else {
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logMessageListener->OnLogInfo(buffer);
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}
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}
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return result;
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}
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LogFeature::LogFeature()
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{
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feature.URI = LV2_LOG__log;
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feature.data = &log;
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log.handle = (void*)this;
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log.printf = printfFn;
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log.vprintf = vprintfFn;
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}
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void LogFeature::Prepare(MapFeature*map, const std::string &messagePrefix, LogMessageListener*listener)
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{
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uris.Map(map);
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this->messagePrefix = messagePrefix;
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this->logMessageListener = listener;
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}
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void LogFeature::LogError(const char*fmt,...)
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{
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va_list va;
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va_start(va, fmt);
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vprintf(uris.ridError,fmt,va);
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}
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void LogFeature::LogWarning(const char*fmt,...)
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{
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va_list va;
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va_start(va, fmt);
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vprintf(uris.ridWarning,fmt,va);
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}
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void LogFeature::LogNote(const char*fmt,...)
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{
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va_list va;
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va_start(va, fmt);
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vprintf(uris.ridNote,fmt,va);
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}
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void LogFeature::LogTrace(const char*fmt,...)
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{
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{
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va_list va;
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va_start(va, fmt);
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vprintf(uris.ridNote,fmt,va);
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}
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}
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