diff options
Diffstat (limited to 'libs/enet/win32.c')
| -rw-r--r-- | libs/enet/win32.c | 348 |
1 files changed, 348 insertions, 0 deletions
diff --git a/libs/enet/win32.c b/libs/enet/win32.c new file mode 100644 index 0000000..e1fae23 --- /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 + |