2 #include <msp/core/systemerror.h>
3 #include <msp/strings/format.h>
4 #include "datagramsocket.h"
9 DatagramSocket::DatagramSocket(Family f, int p):
10 Socket(f, SOCK_DGRAM, p)
13 WSAEventSelect(handle, event, FD_READ|FD_CLOSE);
15 set_events(IO::P_INPUT);
18 int DatagramSocket::connect(const SockAddr &addr)
21 socklen_t size = addr.fill_sockaddr(sa);
23 int err = ::connect(handle, reinterpret_cast<sockaddr *>(&sa), size);
27 throw system_error("connect", WSAGetLastError());
29 throw system_error("connect");
34 peer_addr = addr.copy();
37 size = sizeof(sockaddr_storage);
38 getsockname(handle, reinterpret_cast<sockaddr *>(&sa), &size);
39 local_addr = SockAddr::create(sa);
46 unsigned DatagramSocket::sendto(const char *buf, unsigned size, const SockAddr &addr_)
51 sockaddr_storage addr;
52 socklen_t addr_len = addr_.fill_sockaddr(addr);
54 int ret = ::sendto(handle, buf, size, 0, reinterpret_cast<sockaddr *>(&addr), addr_len);
62 throw system_error("sendto", WSAGetLastError());
64 throw system_error("sendto");
72 unsigned DatagramSocket::recvfrom(char *buf, unsigned size, SockAddr *&addr_)
77 sockaddr_storage addr;
78 socklen_t addr_len = sizeof(sockaddr_storage);
80 int ret = ::recvfrom(handle, buf, size, 0, reinterpret_cast<sockaddr *>(&addr), &addr_len);
88 throw system_error("recvfrom", WSAGetLastError());
90 throw system_error("recvfrom");
95 addr_ = SockAddr::create(addr);