mirror of https://github.com/Icinga/icinga2.git
147 lines
2.6 KiB
C++
147 lines
2.6 KiB
C++
#include "i2-base.h"
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using namespace icinga;
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TCPClient::TCPClient(TCPClientRole role)
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{
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m_Role = role;
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m_SendQueue = make_shared<FIFO>();
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m_RecvQueue = make_shared<FIFO>();
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}
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TCPClientRole TCPClient::GetRole(void) const
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{
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return m_Role;
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}
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void TCPClient::Start(void)
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{
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TCPSocket::Start();
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OnReadable += bind_weak(&TCPClient::ReadableEventHandler, shared_from_this());
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OnWritable += bind_weak(&TCPClient::WritableEventHandler, shared_from_this());
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}
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void TCPClient::Connect(const string& hostname, unsigned short port)
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{
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m_Role = RoleOutbound;
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stringstream s;
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s << port;
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string strPort = s.str();
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addrinfo hints;
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addrinfo *result;
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memset(&hints, 0, sizeof(hints));
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hints.ai_family = AF_UNSPEC;
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hints.ai_socktype = SOCK_STREAM;
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hints.ai_protocol = IPPROTO_TCP;
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int rc = getaddrinfo(hostname.c_str(), strPort.c_str(), &hints, &result);
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if (rc < 0) {
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HandleSocketError();
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return;
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}
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int fd = INVALID_SOCKET;
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for (addrinfo *info = result; info != NULL; info = info->ai_next) {
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fd = socket(info->ai_family, info->ai_socktype, info->ai_protocol);
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if (fd == INVALID_SOCKET)
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continue;
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SetFD(fd);
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rc = connect(fd, info->ai_addr, info->ai_addrlen);
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#ifdef _WIN32
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if (rc < 0 && WSAGetLastError() != WSAEWOULDBLOCK)
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#else /* _WIN32 */
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if (rc < 0 && errno != EINPROGRESS)
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#endif /* _WIN32 */
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continue;
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break;
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}
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if (fd == INVALID_SOCKET)
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HandleSocketError();
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freeaddrinfo(result);
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}
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FIFO::Ptr TCPClient::GetSendQueue(void)
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{
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return m_SendQueue;
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}
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FIFO::Ptr TCPClient::GetRecvQueue(void)
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{
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return m_RecvQueue;
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}
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int TCPClient::ReadableEventHandler(const EventArgs& ea)
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{
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int rc;
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size_t bufferSize = FIFO::BlockSize / 2;
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char *buffer = (char *)m_RecvQueue->GetWriteBuffer(&bufferSize);
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rc = recv(GetFD(), buffer, bufferSize, 0);
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#ifdef _WIN32
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if (rc < 0 && WSAGetLastError() == WSAEWOULDBLOCK)
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#else /* _WIN32 */
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if (rc < 0 && errno == EAGAIN)
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#endif /* _WIN32 */
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return 0;
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if (rc <= 0) {
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HandleSocketError();
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return 0;
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}
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m_RecvQueue->Write(NULL, rc);
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EventArgs dea;
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dea.Source = shared_from_this();
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OnDataAvailable(dea);
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return 0;
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}
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int TCPClient::WritableEventHandler(const EventArgs& ea)
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{
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int rc;
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rc = send(GetFD(), (const char *)m_SendQueue->GetReadBuffer(), m_SendQueue->GetSize(), 0);
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if (rc <= 0) {
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HandleSocketError();
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return 0;
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}
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m_SendQueue->Read(NULL, rc);
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return 0;
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}
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bool TCPClient::WantsToRead(void) const
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{
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return true;
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}
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bool TCPClient::WantsToWrite(void) const
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{
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return (m_SendQueue->GetSize() > 0);
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}
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TCPClient::Ptr icinga::TCPClientFactory(TCPClientRole role)
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{
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return make_shared<TCPClient>(role);
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}
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