2 #include <msp/core/systemerror.h>
3 #include <msp/io/handle_private.h>
4 #include <msp/strings/format.h>
5 #include "datagramsocket.h"
6 #include "sockaddr_private.h"
7 #include "socket_private.h"
12 DatagramSocket::DatagramSocket(Family f, int p):
13 ClientSocket(f, SOCK_DGRAM, p)
16 WSAEventSelect(priv->handle, *priv->event, FD_READ|FD_CLOSE);
18 set_events(IO::P_INPUT);
21 bool DatagramSocket::connect(const SockAddr &addr)
23 SockAddr::SysAddr sa = addr.to_sys();
25 int err = ::connect(priv->handle, reinterpret_cast<sockaddr *>(&sa.addr), sa.size);
29 throw system_error("connect", WSAGetLastError());
31 throw system_error("connect");
36 peer_addr = addr.copy();
39 SockAddr::SysAddr lsa;
40 getsockname(priv->handle, reinterpret_cast<sockaddr *>(&lsa.addr), &lsa.size);
41 local_addr = SockAddr::from_sys(lsa);
48 unsigned DatagramSocket::sendto(const char *buf, unsigned size, const SockAddr &addr)
53 SockAddr::SysAddr sa = addr.to_sys();
55 int ret = ::sendto(priv->handle, buf, size, 0, reinterpret_cast<sockaddr *>(&sa.addr), sa.size);
63 throw system_error("sendto", WSAGetLastError());
65 throw system_error("sendto");
73 unsigned DatagramSocket::recvfrom(char *buf, unsigned size, SockAddr *&from_addr)
79 int ret = ::recvfrom(priv->handle, buf, size, 0, reinterpret_cast<sockaddr *>(&sa.addr), &sa.size);
87 throw system_error("recvfrom", WSAGetLastError());
89 throw system_error("recvfrom");
94 from_addr = SockAddr::from_sys(sa);