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-rw-r--r--libs/enet/win32.c348
1 files changed, 348 insertions, 0 deletions
diff --git a/libs/enet/win32.c b/libs/enet/win32.c
new file mode 100644
index 00000000..e1fae233
--- /dev/null
+++ b/libs/enet/win32.c
@@ -0,0 +1,348 @@
+/**
+ @file win32.c
+ @brief ENet Win32 system specific functions
+*/
+#ifdef WIN32
+
+#include <time.h>
+#define ENET_BUILDING_LIB 1
+#include "enet/enet.h"
+
+static enet_uint32 timeBase = 0;
+
+int
+enet_initialize (void)
+{
+ WORD versionRequested = MAKEWORD (1, 1);
+ WSADATA wsaData;
+
+ if (WSAStartup (versionRequested, & wsaData))
+ return -1;
+
+ if (LOBYTE (wsaData.wVersion) != 1||
+ HIBYTE (wsaData.wVersion) != 1)
+ {
+ WSACleanup ();
+
+ return -1;
+ }
+
+ timeBeginPeriod (1);
+
+ return 0;
+}
+
+void
+enet_deinitialize (void)
+{
+ timeEndPeriod (1);
+
+ WSACleanup ();
+}
+
+enet_uint32
+enet_time_get (void)
+{
+ return (enet_uint32) timeGetTime () - timeBase;
+}
+
+void
+enet_time_set (enet_uint32 newTimeBase)
+{
+ timeBase = (enet_uint32) timeGetTime () - newTimeBase;
+}
+
+int
+enet_address_set_host (ENetAddress * address, const char * name)
+{
+ struct hostent * hostEntry;
+
+ hostEntry = gethostbyname (name);
+ if (hostEntry == NULL ||
+ hostEntry -> h_addrtype != AF_INET)
+ {
+ unsigned long host = inet_addr (name);
+ if (host == INADDR_NONE)
+ return -1;
+ address -> host = host;
+ return 0;
+ }
+
+ address -> host = * (enet_uint32 *) hostEntry -> h_addr_list [0];
+
+ return 0;
+}
+
+int
+enet_address_get_host_ip (const ENetAddress * address, char * name, size_t nameLength)
+{
+ char * addr = inet_ntoa (* (struct in_addr *) & address -> host);
+ if (addr == NULL)
+ return -1;
+ strncpy (name, addr, nameLength);
+ return 0;
+}
+
+int
+enet_address_get_host (const ENetAddress * address, char * name, size_t nameLength)
+{
+ struct in_addr in;
+ struct hostent * hostEntry;
+
+ in.s_addr = address -> host;
+
+ hostEntry = gethostbyaddr ((char *) & in, sizeof (struct in_addr), AF_INET);
+ if (hostEntry == NULL)
+ return enet_address_get_host_ip (address, name, nameLength);
+
+ strncpy (name, hostEntry -> h_name, nameLength);
+
+ return 0;
+}
+
+int
+enet_socket_bind (ENetSocket socket, const ENetAddress * address)
+{
+ struct sockaddr_in sin;
+
+ memset (& sin, 0, sizeof (struct sockaddr_in));
+
+ sin.sin_family = AF_INET;
+
+ if (address != NULL)
+ {
+ sin.sin_port = ENET_HOST_TO_NET_16 (address -> port);
+ sin.sin_addr.s_addr = address -> host;
+ }
+ else
+ {
+ sin.sin_port = 0;
+ sin.sin_addr.s_addr = INADDR_ANY;
+ }
+
+ return bind (socket,
+ (struct sockaddr *) & sin,
+ sizeof (struct sockaddr_in)) == SOCKET_ERROR ? -1 : 0;
+}
+
+int
+enet_socket_listen (ENetSocket socket, int backlog)
+{
+ return listen (socket, backlog < 0 ? SOMAXCONN : backlog) == SOCKET_ERROR ? -1 : 0;
+}
+
+ENetSocket
+enet_socket_create (ENetSocketType type)
+{
+ return socket (PF_INET, type == ENET_SOCKET_TYPE_DATAGRAM ? SOCK_DGRAM : SOCK_STREAM, 0);
+}
+
+int
+enet_socket_set_option (ENetSocket socket, ENetSocketOption option, int value)
+{
+ int result = SOCKET_ERROR;
+ switch (option)
+ {
+ case ENET_SOCKOPT_NONBLOCK:
+ {
+ u_long nonBlocking = (u_long) value;
+ result = ioctlsocket (socket, FIONBIO, & nonBlocking);
+ break;
+ }
+
+ case ENET_SOCKOPT_BROADCAST:
+ result = setsockopt (socket, SOL_SOCKET, SO_BROADCAST, (char *) & value, sizeof (int));
+ break;
+
+ case ENET_SOCKOPT_REUSEADDR:
+ result = setsockopt (socket, SOL_SOCKET, SO_REUSEADDR, (char *) & value, sizeof (int));
+ break;
+
+ case ENET_SOCKOPT_RCVBUF:
+ result = setsockopt (socket, SOL_SOCKET, SO_RCVBUF, (char *) & value, sizeof (int));
+ break;
+
+ case ENET_SOCKOPT_SNDBUF:
+ result = setsockopt (socket, SOL_SOCKET, SO_SNDBUF, (char *) & value, sizeof (int));
+ break;
+
+ default:
+ break;
+ }
+ return result == SOCKET_ERROR ? -1 : 0;
+}
+
+int
+enet_socket_connect (ENetSocket socket, const ENetAddress * address)
+{
+ struct sockaddr_in sin;
+
+ memset (& sin, 0, sizeof (struct sockaddr_in));
+
+ sin.sin_family = AF_INET;
+ sin.sin_port = ENET_HOST_TO_NET_16 (address -> port);
+ sin.sin_addr.s_addr = address -> host;
+
+ return connect (socket, (struct sockaddr *) & sin, sizeof (struct sockaddr_in)) == SOCKET_ERROR ? -1 : 0;
+}
+
+ENetSocket
+enet_socket_accept (ENetSocket socket, ENetAddress * address)
+{
+ SOCKET result;
+ struct sockaddr_in sin;
+ int sinLength = sizeof (struct sockaddr_in);
+
+ result = accept (socket,
+ address != NULL ? (struct sockaddr *) & sin : NULL,
+ address != NULL ? & sinLength : NULL);
+
+ if (result == INVALID_SOCKET)
+ return ENET_SOCKET_NULL;
+
+ if (address != NULL)
+ {
+ address -> host = (enet_uint32) sin.sin_addr.s_addr;
+ address -> port = ENET_NET_TO_HOST_16 (sin.sin_port);
+ }
+
+ return result;
+}
+
+void
+enet_socket_destroy (ENetSocket socket)
+{
+ closesocket (socket);
+}
+
+int
+enet_socket_send (ENetSocket socket,
+ const ENetAddress * address,
+ const ENetBuffer * buffers,
+ size_t bufferCount)
+{
+ struct sockaddr_in sin;
+ DWORD sentLength;
+
+ if (address != NULL)
+ {
+ memset (& sin, 0, sizeof (struct sockaddr_in));
+
+ sin.sin_family = AF_INET;
+ sin.sin_port = ENET_HOST_TO_NET_16 (address -> port);
+ sin.sin_addr.s_addr = address -> host;
+ }
+
+ if (WSASendTo (socket,
+ (LPWSABUF) buffers,
+ (DWORD) bufferCount,
+ & sentLength,
+ 0,
+ address != NULL ? (struct sockaddr *) & sin : 0,
+ address != NULL ? sizeof (struct sockaddr_in) : 0,
+ NULL,
+ NULL) == SOCKET_ERROR)
+ {
+ if (WSAGetLastError () == WSAEWOULDBLOCK)
+ return 0;
+
+ return -1;
+ }
+
+ return (int) sentLength;
+}
+
+int
+enet_socket_receive (ENetSocket socket,
+ ENetAddress * address,
+ ENetBuffer * buffers,
+ size_t bufferCount)
+{
+ INT sinLength = sizeof (struct sockaddr_in);
+ DWORD flags = 0,
+ recvLength;
+ struct sockaddr_in sin;
+
+ if (WSARecvFrom (socket,
+ (LPWSABUF) buffers,
+ (DWORD) bufferCount,
+ & recvLength,
+ & flags,
+ address != NULL ? (struct sockaddr *) & sin : NULL,
+ address != NULL ? & sinLength : NULL,
+ NULL,
+ NULL) == SOCKET_ERROR)
+ {
+ switch (WSAGetLastError ())
+ {
+ case WSAEWOULDBLOCK:
+ case WSAECONNRESET:
+ return 0;
+ }
+
+ return -1;
+ }
+
+ if (flags & MSG_PARTIAL)
+ return -1;
+
+ if (address != NULL)
+ {
+ address -> host = (enet_uint32) sin.sin_addr.s_addr;
+ address -> port = ENET_NET_TO_HOST_16 (sin.sin_port);
+ }
+
+ return (int) recvLength;
+}
+
+int
+enet_socketset_select (ENetSocket maxSocket, ENetSocketSet * readSet, ENetSocketSet * writeSet, enet_uint32 timeout)
+{
+ struct timeval timeVal;
+
+ timeVal.tv_sec = timeout / 1000;
+ timeVal.tv_usec = (timeout % 1000) * 1000;
+
+ return select (maxSocket + 1, readSet, writeSet, NULL, & timeVal);
+}
+
+int
+enet_socket_wait (ENetSocket socket, enet_uint32 * condition, enet_uint32 timeout)
+{
+ fd_set readSet, writeSet;
+ struct timeval timeVal;
+ int selectCount;
+
+ timeVal.tv_sec = timeout / 1000;
+ timeVal.tv_usec = (timeout % 1000) * 1000;
+
+ FD_ZERO (& readSet);
+ FD_ZERO (& writeSet);
+
+ if (* condition & ENET_SOCKET_WAIT_SEND)
+ FD_SET (socket, & writeSet);
+
+ if (* condition & ENET_SOCKET_WAIT_RECEIVE)
+ FD_SET (socket, & readSet);
+
+ selectCount = select (socket + 1, & readSet, & writeSet, NULL, & timeVal);
+
+ if (selectCount < 0)
+ return -1;
+
+ * condition = ENET_SOCKET_WAIT_NONE;
+
+ if (selectCount == 0)
+ return 0;
+
+ if (FD_ISSET (socket, & writeSet))
+ * condition |= ENET_SOCKET_WAIT_SEND;
+
+ if (FD_ISSET (socket, & readSet))
+ * condition |= ENET_SOCKET_WAIT_RECEIVE;
+
+ return 0;
+}
+
+#endif
+