mirror of
https://github.com/uroni/urbackup_backend.git
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174 lines
3.5 KiB
C++
174 lines
3.5 KiB
C++
/*************************************************************************
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* UrBackup - Client/Server backup system
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* Copyright (C) 2011-2016 Martin Raiber
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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**************************************************************************/
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#include "ClientSend.h"
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#include "../Interface/Mutex.h"
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#include "../Interface/Condition.h"
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#include "../Interface/Server.h"
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#ifdef _WIN32
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#include <Windows.h>
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#else
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#include <errno.h>
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#endif
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#include "../stringtools.h"
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ClientSend::ClientSend(IPipe *pPipe, unsigned int bsize, unsigned int nbufs)
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{
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pipe=pPipe;
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bufmgr=new CBufMgr2(nbufs, bsize);
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mutex=Server->createMutex();
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cond=Server->createCondition();
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exit=false;
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has_error=false;
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}
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ClientSend::~ClientSend(void)
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{
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delete bufmgr;
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Server->destroy(mutex);
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}
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void ClientSend::operator()(void)
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{
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while(true)
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{
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BufferItem item;
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bool has_item=false;
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bool do_exit;
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bool needs_flush = true;
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{
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IScopedLock lock(mutex);
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if(tqueue.empty() && exit==false)
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{
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cond->wait(&lock, 100);
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if(tqueue.empty() && needs_flush)
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{
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needs_flush = false;
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if(!has_error
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&& !pipe->Flush(-1))
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{
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print_last_error();
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has_error=true;
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}
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}
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}
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if(tqueue.empty() && exit==false)
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cond->wait(&lock);
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do_exit=exit;
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if(!tqueue.empty())
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{
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item=tqueue.front();
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tqueue.pop();
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has_item=true;
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}
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}
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if(has_item)
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{
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if(!has_error)
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{
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bool b=pipe->Write(item.buf, item.bsize, 60000, false);
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if(!b)
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{
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print_last_error();
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has_error=true;
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}
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}
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bufmgr->releaseBuffer(item.buf);
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}
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else if(do_exit)
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{
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if (!has_error
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&& !pipe->Flush(-1))
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{
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print_last_error();
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has_error = true;
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}
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break;
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}
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}
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}
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char *ClientSend::getBuffer(void)
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{
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return bufmgr->getBuffer();
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}
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std::vector<char*> ClientSend::getBuffers(unsigned int nbufs)
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{
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return bufmgr->getBuffers(nbufs);
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}
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void ClientSend::sendBuffer(char* buf, size_t bsize, bool do_notify)
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{
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BufferItem item;
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item.buf=buf;
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item.bsize=bsize;
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IScopedLock lock(mutex);
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tqueue.push(item);
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if(do_notify)
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{
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cond->notify_all();
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}
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}
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void ClientSend::notifySendBuffer(void)
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{
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IScopedLock lock(mutex);
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cond->notify_all();
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}
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void ClientSend::freeBuffer(char *buf)
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{
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bufmgr->releaseBuffer(buf);
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}
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void ClientSend::doExit(void)
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{
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IScopedLock lock(mutex);
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exit=true;
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cond->notify_all();
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}
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size_t ClientSend::getQueueSize(void)
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{
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IScopedLock lock(mutex);
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return tqueue.size();
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}
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bool ClientSend::hasError(void)
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{
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return has_error;
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}
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void ClientSend::print_last_error(void)
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{
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#ifdef _WIN32
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Server->Log("Sending failed. Last error: "+convert((int)GetLastError()), LL_DEBUG);
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#else
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Server->Log("Sending failed. Last error: "+convert(errno), LL_DEBUG);
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#endif
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} |