Prepare for assimilating msphttp

[libs/net.git] / source / net / streamsocket.cpp

diff --git a/source/net/streamsocket.cpp b/source/net/streamsocket.cpp
new file mode 100644 (file)
index 0000000..8a26245
--- /dev/null
+++ b/source/net/streamsocket.cpp
@@ -0,0 +1,148 @@
+#ifndef WIN32
+#include <sys/socket.h>
+#endif
+#include <cerrno>
+#include <msp/core/systemerror.h>
+#include <msp/io/handle_private.h>
+#include <msp/io/poll.h>
+#include <msp/strings/format.h>
+#include "sockaddr_private.h"
+#include "socket_private.h"
+#include "streamsocket.h"
+
+namespace Msp {
+namespace Net {
+
+StreamSocket::StreamSocket(const Private &p, const SockAddr &paddr):
+       ClientSocket(p, paddr)
+{
+#ifdef WIN32
+       WSAEventSelect(priv->handle, *priv->event, FD_READ|FD_CLOSE);
+#endif
+       set_events(IO::P_INPUT);
+}
+
+StreamSocket::StreamSocket(Family af, int proto):
+       ClientSocket(af, SOCK_STREAM, proto)
+{ }
+
+bool StreamSocket::connect(const SockAddr &addr)
+{
+       if(connected)
+               throw bad_socket_state("already connected");
+
+       SockAddr::SysAddr sa = addr.to_sys();
+
+       int err = ::connect(priv->handle, reinterpret_cast<sockaddr *>(&sa.addr), sa.size);
+#ifdef WIN32
+       if(err==SOCKET_ERROR)
+       {
+               int err_code = WSAGetLastError();
+               if(err_code==WSAEWOULDBLOCK)
+               {
+                       connecting = true;
+                       WSAEventSelect(priv->handle, *priv->event, FD_CONNECT);
+                       set_events(IO::P_OUTPUT);
+               }
+               else
+                       throw system_error("connect", err_code);
+       }
+#else
+       if(err==-1)
+       {
+               if(errno==EINPROGRESS)
+               {
+                       connecting = true;
+                       set_events(IO::P_OUTPUT);
+               }
+               else
+                       throw system_error("connect");
+       }
+#endif
+
+       delete peer_addr;
+       peer_addr = addr.copy();
+
+       delete local_addr;
+       SockAddr::SysAddr lsa;
+       getsockname(priv->handle, reinterpret_cast<sockaddr *>(&lsa.addr), &lsa.size);
+       local_addr = SockAddr::new_from_sys(lsa);
+
+       if(err==0)
+       {
+               connected = true;
+               set_events(IO::P_INPUT);
+               signal_connect_finished.emit(0);
+       }
+
+       return connected;
+}
+
+bool StreamSocket::poll_connect(const Time::TimeDelta &timeout)
+{
+       if(!connecting)
+               return false;
+
+       IO::PollEvent res = poll(*this, IO::P_OUTPUT, timeout);
+       if(res&IO::P_OUTPUT)
+       {
+               connecting = false;
+
+               int err;
+               socklen_t len = sizeof(int);
+               get_option(SOL_SOCKET, SO_ERROR, &err, &len);
+
+               if(err!=0)
+               {
+                       set_events(IO::P_NONE);
+#ifdef WIN32
+                       throw system_error("connect", WSAGetLastError());
+#else
+                       throw system_error("connect");
+#endif
+               }
+
+#ifdef WIN32
+               WSAEventSelect(priv->handle, *priv->event, FD_READ|FD_CLOSE);
+#endif
+               set_events(IO::P_INPUT);
+
+               connected = true;
+       }
+
+       return connected;
+}
+
+void StreamSocket::on_event(IO::PollEvent ev)
+{
+       if((ev&(IO::P_OUTPUT|IO::P_ERROR)) && connecting)
+       {
+               int err;
+               socklen_t len = sizeof(err);
+               get_option(SOL_SOCKET, SO_ERROR, &err, &len);
+
+               connecting = false;
+               connected = (err==0);
+               if(err)
+               {
+                       system_error exc("connect", err);
+                       signal_connect_finished.emit(&exc);
+               }
+               else
+                       signal_connect_finished.emit(0);
+
+               if(err!=0)
+               {
+                       delete peer_addr;
+                       peer_addr = 0;
+               }
+
+#ifdef WIN32
+               WSAEventSelect(priv->handle, *priv->event, FD_READ|FD_CLOSE);
+#endif
+               set_events((err==0) ? IO::P_INPUT : IO::P_NONE);
+       }
+}
+
+} // namespace Net
+} // namespace Msp