X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fnet%2Fdatagramsocket.cpp;fp=source%2Fnet%2Fdatagramsocket.cpp;h=d24ca4e1ec8ec1c10fcd11c3188da874426b053b;hb=50e9f9ea7f7385a2c5931fca2b8fb1103078e67c;hp=0000000000000000000000000000000000000000;hpb=21c596567e3b6fd794ed6af73d304ce2bc70e58f;p=libs%2Fnet.git

diff --git a/source/net/datagramsocket.cpp b/source/net/datagramsocket.cpp
new file mode 100644
index 0000000..d24ca4e
--- /dev/null
+++ b/source/net/datagramsocket.cpp
@@ -0,0 +1,100 @@
+#include <cerrno>
+#include <msp/core/systemerror.h>
+#include <msp/io/handle_private.h>
+#include <msp/strings/format.h>
+#include "datagramsocket.h"
+#include "sockaddr_private.h"
+#include "socket_private.h"
+
+namespace Msp {
+namespace Net {
+
+DatagramSocket::DatagramSocket(Family f, int p):
+	ClientSocket(f, SOCK_DGRAM, p)
+{
+#ifdef WIN32
+	WSAEventSelect(priv->handle, *priv->event, FD_READ|FD_CLOSE);
+#endif
+	set_events(IO::P_INPUT);
+}
+
+bool DatagramSocket::connect(const SockAddr &addr)
+{
+	SockAddr::SysAddr sa = addr.to_sys();
+
+	int err = ::connect(priv->handle, reinterpret_cast<sockaddr *>(&sa.addr), sa.size);
+	if(err==-1)
+	{
+#ifdef WIN32
+		throw system_error("connect", WSAGetLastError());
+#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);
+
+	connected = true;
+
+	return true;
+}
+
+unsigned DatagramSocket::sendto(const char *buf, unsigned size, const SockAddr &addr)
+{
+	if(size==0)
+		return 0;
+
+	SockAddr::SysAddr sa = addr.to_sys();
+
+	int ret = ::sendto(priv->handle, buf, size, 0, reinterpret_cast<sockaddr *>(&sa.addr), sa.size);
+	if(ret<0)
+	{
+		if(errno==EAGAIN)
+			return 0;
+		else
+		{
+#ifdef WIN32
+			throw system_error("sendto", WSAGetLastError());
+#else
+			throw system_error("sendto");
+#endif
+		}
+	}
+
+	return ret;
+}
+
+unsigned DatagramSocket::recvfrom(char *buf, unsigned size, SockAddr *&from_addr)
+{
+	if(size==0)
+		return 0;
+
+	SockAddr::SysAddr sa;
+	int ret = ::recvfrom(priv->handle, buf, size, 0, reinterpret_cast<sockaddr *>(&sa.addr), &sa.size);
+	if(ret<0)
+	{
+		if(errno==EAGAIN)
+			return 0;
+		else
+		{
+#ifdef WIN32
+			throw system_error("recvfrom", WSAGetLastError());
+#else
+			throw system_error("recvfrom");
+#endif
+		}
+	}
+
+	from_addr = SockAddr::new_from_sys(sa);
+
+	return ret;
+}
+
+} // namespace Net
+} // namespace Msp