icinga2/base/tcpclient.cpp

86 lines
1.5 KiB
C++

#include "i2-base.h"
using namespace icinga;
TCPClient::TCPClient(void)
{
m_SendQueue = new_object<FIFO>();
m_RecvQueue = new_object<FIFO>();
}
void TCPClient::Start(void)
{
TCPSocket::Start();
function<int (EventArgs::RefType)> rd = bind_weak(&TCPClient::ReadableEventHandler, shared_from_this());
OnReadable.bind(rd);
function<int (EventArgs::RefType)> wd = bind_weak(&TCPClient::WritableEventHandler, shared_from_this());
OnWritable.bind(wd);
}
FIFO::RefType TCPClient::GetSendQueue(void)
{
return m_SendQueue;
}
FIFO::RefType TCPClient::GetRecvQueue(void)
{
return m_RecvQueue;
}
int TCPClient::ReadableEventHandler(EventArgs::RefType ea)
{
int rc;
size_t bufferSize = FIFO::BlockSize / 2;
char *buffer = (char *)m_RecvQueue->GetWriteBuffer(&bufferSize);
rc = recv(GetFD(), buffer, bufferSize, 0);
#ifdef _WIN32
if (rc < 0 && WSAGetLastError() == WSAEWOULDBLOCK)
#else /* _WIN32 */
if (rc < 0 && errno == EAGAIN)
#endif /* _WIN32 */
return 0;
if (rc <= 0) {
Close();
return 0;
}
m_RecvQueue->Write(NULL, rc);
EventArgs::RefType dea = new_object<EventArgs>();
dea->Source = shared_from_this();
OnDataAvailable(dea);
return 0;
}
int TCPClient::WritableEventHandler(EventArgs::RefType ea)
{
int rc;
rc = send(GetFD(), (const char *)m_SendQueue->GetReadBuffer(), m_SendQueue->GetSize(), 0);
if (rc <= 0) {
Close();
return 0;
}
m_SendQueue->Read(NULL, rc);
return 0;
}
bool TCPClient::WantsToRead(void) const
{
return true;
}
bool TCPClient::WantsToWrite(void) const
{
return (m_SendQueue->GetSize() > 0);
}