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 "socket_private.h"
11 DatagramSocket::DatagramSocket(Family f, int p):
12 Socket(f, SOCK_DGRAM, p)
15 WSAEventSelect(priv->handle, *priv->event, FD_READ|FD_CLOSE);
17 set_events(IO::P_INPUT);
20 int DatagramSocket::connect(const SockAddr &addr)
23 socklen_t size = addr.fill_sockaddr(sa);
25 int err = ::connect(priv->handle, reinterpret_cast<sockaddr *>(&sa), size);
29 throw system_error("connect", WSAGetLastError());
31 throw system_error("connect");
36 peer_addr = addr.copy();
39 size = sizeof(sockaddr_storage);
40 getsockname(priv->handle, reinterpret_cast<sockaddr *>(&sa), &size);
41 local_addr = SockAddr::create(sa);
48 unsigned DatagramSocket::sendto(const char *buf, unsigned size, const SockAddr &addr_)
53 sockaddr_storage addr;
54 socklen_t addr_len = addr_.fill_sockaddr(addr);
56 int ret = ::sendto(priv->handle, buf, size, 0, reinterpret_cast<sockaddr *>(&addr), addr_len);
64 throw system_error("sendto", WSAGetLastError());
66 throw system_error("sendto");
74 unsigned DatagramSocket::recvfrom(char *buf, unsigned size, SockAddr *&addr_)
79 sockaddr_storage addr;
80 socklen_t addr_len = sizeof(sockaddr_storage);
82 int ret = ::recvfrom(priv->handle, buf, size, 0, reinterpret_cast<sockaddr *>(&addr), &addr_len);
90 throw system_error("recvfrom", WSAGetLastError());
92 throw system_error("recvfrom");
97 addr_ = SockAddr::create(addr);