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Reworked asio sender thread implementation. Optimized it for speed. Some cleanup still needed, but should work.

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This commit is contained in:
lotodore
2009-01-31 21:03:34 +00:00
parent 7b853732b5
commit 3f8d3c8d55
2 changed files with 121 additions and 93 deletions
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src/net/common/senderthread.cpp
+116 -50
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@@ -26,6 +26,7 @@
#include <cassert>
#include <boost/bind.hpp>
#include <boost/enable_shared_from_this.hpp>
using namespace std;
using boost::asio::ip::tcp;
@@ -37,12 +38,57 @@ using boost::asio::ip::tcp;
#define SEND_LOG_INTERVAL_SEC 60
typedef std::list<boost::shared_ptr<NetPacket> > SendDataList;
class SendDataManager : public boost::enable_shared_from_this<SendDataManager>
{
public:
SendDataManager(boost::shared_ptr<SessionData> s)
: session(s), writeInProgress(false)
{
}
void HandleWrite(const boost::system::error_code& error);
void AsyncSendNextPacket(bool handlerMode = false);
boost::shared_ptr<SessionData> session;
mutable boost::mutex dataMutex;
SendDataList list;
bool writeInProgress;
};
void
SenderThread::SendDataManager::HandleWrite(const boost::system::error_code& error)
SendDataManager::HandleWrite(const boost::system::error_code& error)
{
SetWriteInProgress(false);
SetCompleted(true);
// TODO error handling
AsyncSendNextPacket(true);
}
void
SendDataManager::AsyncSendNextPacket(bool handlerMode)
{
boost::mutex::scoped_lock lock(dataMutex);
if (!writeInProgress || handlerMode)
{
if (handlerMode)
list.pop_front();
if (!list.empty())
{
boost::shared_ptr<NetPacket> nextPacket = list.front();
boost::asio::async_write(
*session->GetAsioSocket(),
boost::asio::buffer(nextPacket->GetRawData(),
nextPacket->GetLen()),
boost::bind(&SendDataManager::HandleWrite, shared_from_this(),
boost::asio::placeholders::error));
writeInProgress = true;
}
else
writeInProgress = false;
}
}
SenderThread::SenderThread(SenderCallback &cb)
@@ -79,12 +125,26 @@ SenderThread::Send(boost::shared_ptr<SessionData> session, boost::shared_ptr<Net
{
if (packet.get() && session.get())
{
boost::mutex::scoped_lock lock(m_sendQueueMapMutex);
SendQueueMap::iterator pos = m_sendQueueMap.find(session->GetId());
if (pos == m_sendQueueMap.end())
pos = m_sendQueueMap.insert(SendQueueMap::value_type(session->GetId(), boost::shared_ptr<SendDataManager>(new SendDataManager(session)))).first;
if (pos->second->list.size() < SEND_QUEUE_SIZE)
pos->second->list.push_back(packet);
boost::shared_ptr<SendDataManager> tmpManager;
{
// First: lock map of all queues. Locate/insert queue.
boost::mutex::scoped_lock lock(m_sendQueueMapMutex);
SendQueueMap::iterator pos = m_sendQueueMap.find(session->GetId());
if (pos == m_sendQueueMap.end())
pos = m_sendQueueMap.insert(SendQueueMap::value_type(session->GetId(), boost::shared_ptr<SendDataManager>(new SendDataManager(session)))).first;
tmpManager = pos->second;
}
{
// Second: Add packet to specific queue.
boost::mutex::scoped_lock lock(tmpManager->dataMutex);
if (tmpManager->list.size() < SEND_QUEUE_SIZE)
tmpManager->list.push_back(packet);
}
{
// Third: Update notification list.
boost::mutex::scoped_lock lock(m_changedSessionsMutex);
m_changedSessions.push_back(tmpManager->session->GetId());
}
}
}
@@ -93,20 +153,34 @@ SenderThread::Send(boost::shared_ptr<SessionData> session, const NetPacketList &
{
if (!packetList.empty() && session.get())
{
boost::mutex::scoped_lock lock(m_sendQueueMapMutex);
SendQueueMap::iterator pos = m_sendQueueMap.find(session->GetId());
if (pos == m_sendQueueMap.end())
pos = m_sendQueueMap.insert(SendQueueMap::value_type(session->GetId(), boost::shared_ptr<SendDataManager>(new SendDataManager(session)))).first;
if (pos->second->list.size() + packetList.size() <= SEND_QUEUE_SIZE)
boost::shared_ptr<SendDataManager> tmpManager;
{
NetPacketList::const_iterator i = packetList.begin();
NetPacketList::const_iterator end = packetList.end();
while (i != end)
// First: lock map of all queues. Locate/insert queue.
boost::mutex::scoped_lock lock(m_sendQueueMapMutex);
SendQueueMap::iterator pos = m_sendQueueMap.find(session->GetId());
if (pos == m_sendQueueMap.end())
pos = m_sendQueueMap.insert(SendQueueMap::value_type(session->GetId(), boost::shared_ptr<SendDataManager>(new SendDataManager(session)))).first;
tmpManager = pos->second;
}
{
// Second: Add packet to specific queue.
boost::mutex::scoped_lock lock(tmpManager->dataMutex);
if (tmpManager->list.size() + packetList.size() <= SEND_QUEUE_SIZE)
{
pos->second->list.push_back(*i);
++i;
NetPacketList::const_iterator i = packetList.begin();
NetPacketList::const_iterator end = packetList.end();
while (i != end)
{
tmpManager->list.push_back(*i);
++i;
}
}
}
{
// Third: Update notification list.
boost::mutex::scoped_lock lock(m_changedSessionsMutex);
m_changedSessions.push_back(tmpManager->session->GetId());
}
}
}
@@ -121,44 +195,36 @@ SenderThread::Main()
{
m_ioService.reset(new boost::asio::io_service());
m_ioServiceBarrier->wait();
boost::asio::io_service::work ioWork(*m_ioService);
while (!ShouldTerminate())
{
bool sessionValid;
do
{
boost::mutex::scoped_lock lock(m_sendQueueMapMutex);
SendQueueMap::iterator i = m_sendQueueMap.begin();
SendQueueMap::iterator end = m_sendQueueMap.end();
while (i != end)
sessionValid = false;
unsigned sessionId;
{
SendQueueMap::iterator next = i;
++next;
boost::shared_ptr<SendDataManager> tmpManager = i->second;
if (tmpManager->list.empty())
m_sendQueueMap.erase(i);
else
boost::mutex::scoped_lock lock(m_changedSessionsMutex);
if (!m_changedSessions.empty())
{
if (!tmpManager->IsWriteInProgress())
{
if (tmpManager->IsCompleted())
{
tmpManager->list.pop_front();
tmpManager->SetCompleted(false);
}
else
{
boost::shared_ptr<NetPacket> tmpPacket = tmpManager->list.front();
boost::asio::async_write(
*tmpManager->session->GetAsioSocket(),
boost::asio::buffer(tmpPacket->GetRawData(),
tmpPacket->GetLen()),
boost::bind(&SendDataManager::HandleWrite, tmpManager,
boost::asio::placeholders::error));
tmpManager->SetWriteInProgress(true);
}
}
sessionId = m_changedSessions.front();
m_changedSessions.pop_front();
sessionValid = true;
}
i = next;
}
}
boost::shared_ptr<SendDataManager> tmpManager;
if (sessionValid)
{
boost::mutex::scoped_lock lock(m_sendQueueMapMutex);
SendQueueMap::iterator pos = m_sendQueueMap.find(sessionId);
if (pos != m_sendQueueMap.end())
tmpManager = pos->second;
}
if (tmpManager)
tmpManager->AsyncSendNextPacket();
} while (sessionValid);
m_ioService->poll();
Msleep(SEND_TIMEOUT_MSEC);
}