* -------------------------------------------------------------------------
*/
-#ifdef __WXMSW__
+#if defined(__GSOCKET_STANDALONE__) || defined(wxUSE_SOCKETS)
+
+#ifndef __GSOCKET_STANDALONE__
#include "wx/setup.h"
#include "wx/msw/gsockmsw.h"
* be available and it must containt the app's instance
* handle.
*/
-#define INSTANCE hInst
-
-#endif /* __WXMSW__ */
+#define INSTANCE hInst
+#endif /* __GSOCKET_STANDALONE__ */
-#if !defined(__WXMSW__) || (defined(__WXMSW__) && wxUSE_SOCKETS)
#include <assert.h>
#include <string.h>
socket->m_stream = TRUE;
socket->m_non_blocking = FALSE;
socket->m_timeout.tv_sec = 10 * 60; /* 10 minutes */
- socket->m_timeout.tv_usec = 0;
+ socket->m_timeout.tv_usec = 0;
/* Allocate a new message number for this socket */
EnterCriticalSection(&critical);
/* Create the socket */
sck->m_fd = socket(sck->m_local->m_realfamily, SOCK_STREAM, 0);
- ioctlsocket(sck->m_fd, FIONBIO, (u_long FAR *) &arg);
if (sck->m_fd == INVALID_SOCKET)
{
return GSOCK_IOERR;
}
+ ioctlsocket(sck->m_fd, FIONBIO, (u_long FAR *) &arg);
+ _GSocket_Configure_Callbacks(sck);
+
/* Bind the socket to the LOCAL address */
if (bind(sck->m_fd, sck->m_local->m_addr, sck->m_local->m_len) != 0)
{
}
return GSOCK_NOERROR;
-}
+}
/* GSocket_WaitConnection:
* Waits for an incoming client connection.
connection->m_oriented = TRUE;
ioctlsocket(connection->m_fd, FIONBIO, (u_long FAR *) &arg);
+ _GSocket_Configure_Callbacks(connection);
return connection;
}
/* Create the socket */
sck->m_fd = socket(sck->m_local->m_realfamily, SOCK_DGRAM, 0);
- ioctlsocket(sck->m_fd, FIONBIO, (u_long FAR *) &arg);
if (sck->m_fd == INVALID_SOCKET)
{
return GSOCK_IOERR;
}
+ ioctlsocket(sck->m_fd, FIONBIO, (u_long FAR *) &arg);
+ _GSocket_Configure_Callbacks(sck);
+
/* Bind it to the LOCAL address */
if (bind(sck->m_fd, sck->m_local->m_addr, sck->m_local->m_len) != 0)
{
* field of GSocket. "Peer" must be set by GSocket_SetPeer() before
* GSocket_Connect() is called. Possible error codes are GSOCK_INVSOCK,
* GSOCK_INVADDR, GSOCK_TIMEDOUT, GSOCK_WOULDBLOCK and GSOCK_IOERR.
+ * If a socket is nonblocking and Connect() returns GSOCK_WOULDBLOCK,
+ * the connection request can be completed later. Use GSocket_Select()
+ * to check or wait for a GSOCK_CONNECTION event.
*/
GSocketError GSocket_Connect(GSocket *sck, GSocketStream stream)
{
/* Create the socket */
sck->m_fd = socket(sck->m_peer->m_realfamily, type, 0);
- ioctlsocket(sck->m_fd, FIONBIO, (u_long FAR *) &arg);
if (sck->m_fd == INVALID_SOCKET)
{
return GSOCK_IOERR;
}
+ ioctlsocket(sck->m_fd, FIONBIO, (u_long FAR *) &arg);
+ _GSocket_Configure_Callbacks(sck);
+
/* Connect it to the PEER address, with a timeout (see below) */
ret = connect(sck->m_fd, sck->m_peer->m_addr, sck->m_peer->m_len);
return _GSocket_Send_Dgram(socket, buffer, size);
}
-bool GSocket_DataAvailable(GSocket *socket)
+/* GSocket_Select:
+ * Polls the socket to determine its status. This function will
+ * check for the events specified in the 'flags' parameter, and
+ * it will return a mask indicating which operations can be
+ * performed. This function won't block, regardless of the
+ * mode (blocking|nonblocking) of the socket.
+ */
+GSocketEventFlags GSocket_Select(GSocket *socket, GSocketEventFlags flags)
{
- fd_set read_set;
+ fd_set readfds, writefds, exceptfds;
struct timeval tv;
+ GSocketEventFlags mask;
assert(socket != NULL);
- if (socket->m_fd == INVALID_SOCKET || socket->m_server)
+ if (socket->m_fd == INVALID_SOCKET)
{
socket->m_error = GSOCK_INVSOCK;
return FALSE;
}
- FD_ZERO(&read_set);
- FD_SET(socket->m_fd, &read_set);
+ FD_ZERO(&readfds);
+ FD_ZERO(&writefds);
+ FD_ZERO(&exceptfds);
+ FD_SET(socket->m_fd, &readfds);
+ FD_SET(socket->m_fd, &writefds);
+ FD_SET(socket->m_fd, &exceptfds);
tv.tv_sec = 0;
tv.tv_usec = 0;
+ select(socket->m_fd + 1, &readfds, &writefds, &exceptfds, &tv);
+
+ mask = 0;
- select(socket->m_fd + 1, &read_set, NULL, NULL, &tv);
+ /* If select() says that the socket is readable, then we have
+ * no way to distinguish if that means 'data available' (to
+ * recv) or 'incoming connection' (to accept). The same goes
+ * for writability: we cannot distinguish between 'you can
+ * send data' and 'connection request completed'. So we will
+ * assume the following: if the flag was set upon entry,
+ * that means that the event was possible.
+ */
+ if (FD_ISSET(socket->m_fd, &readfds))
+ {
+ mask |= (flags & GSOCK_CONNECTION_FLAG);
+ mask |= (flags & GSOCK_INPUT_FLAG);
+ }
+ if (FD_ISSET(socket->m_fd, &writefds))
+ {
+ mask |= (flags & GSOCK_CONNECTION_FLAG);
+ mask |= (flags & GSOCK_OUTPUT_FLAG);
+ }
+ if (FD_ISSET(socket->m_fd, &exceptfds))
+ mask |= (flags & GSOCK_LOST_FLAG);
- return FD_ISSET(socket->m_fd, &read_set);
+ return mask;
}
/* Flags */
/* GSocket_SetNonBlocking:
- * Sets the socket in non-blocking mode. This is useful if
+ * Sets the socket to non-blocking mode. This is useful if
* we don't want to wait.
*/
void GSocket_SetNonBlocking(GSocket *socket, bool non_block)
}
/* GSocket_SetTimeout:
+ * Sets the timeout for blocking calls. Time is
+ * expressed in milliseconds.
*/
void GSocket_SetTimeout(GSocket *socket, unsigned long millisecs)
{
*/
/* GSocket_SetCallback:
- * Enables the callbacks specified by 'event'. Note that 'event'
+ * Enables the callbacks specified by 'flags'. Note that 'flags'
* may be a combination of flags OR'ed toghether, so the same
* callback function can be made to accept different events.
* The callback function must have the following prototype:
*
* void function(GSocket *socket, GSocketEvent event, char *cdata)
*/
-void GSocket_SetCallback(GSocket *socket, GSocketEventFlags event,
+void GSocket_SetCallback(GSocket *socket, GSocketEventFlags flags,
GSocketCallback callback, char *cdata)
{
int count;
for (count = 0; count < GSOCK_MAX_EVENT; count++)
{
/* We test each flag and enable the corresponding events */
- if ((event & (1 << count)) != 0)
+ if ((flags & (1 << count)) != 0)
{
socket->m_cbacks[count] = callback;
socket->m_data[count] = cdata;
}
/* GSocket_UnsetCallback:
- * Disables all callbacks specified by 'event', which may be a
+ * Disables all callbacks specified by 'flags', which may be a
* combination of flags OR'ed toghether.
*/
-void GSocket_UnsetCallback(GSocket *socket, GSocketEventFlags event)
+void GSocket_UnsetCallback(GSocket *socket, GSocketEventFlags flags)
{
int count = 0;
for (count = 0; count < GSOCK_MAX_EVENT; count++)
{
/* We test each flag and disable the corresponding events */
- if ((event & (1 << count)) != 0)
+ if ((flags & (1 << count)) != 0)
{
socket->m_cbacks[count] = NULL;
}
long mask = 0;
int count;
+ if (socket->m_fd == INVALID_SOCKET)
+ return;
+
for (count = 0; count < GSOCK_MAX_EVENT; count++)
{
if (socket->m_cbacks[count] != NULL)
case GSOCK_OUTPUT: mask |= FD_WRITE; break;
case GSOCK_CONNECTION: mask |= (FD_ACCEPT | FD_CONNECT); break;
case GSOCK_LOST: mask |= FD_CLOSE; break;
- }
+ }
}
}
int _GSocket_Recv_Stream(GSocket *socket, char *buffer, int size)
{
int ret;
-
+
ret = recv(socket->m_fd, buffer, size, 0);
if (ret == SOCKET_ERROR)
int _GSocket_Recv_Dgram(GSocket *socket, char *buffer, int size)
{
struct sockaddr from;
- SOCKLEN_T fromlen;
+ SOCKLEN_T fromlen;
int ret;
fromlen = sizeof(from);
addr = &(((struct sockaddr_in *)address->m_addr)->sin_addr);
addr->s_addr = inet_addr(hostname);
-
+
/* If it is a numeric host name, convert it now */
if (addr->s_addr == INADDR_NONE)
{
address->m_error = GSOCK_INVPORT;
return GSOCK_INVOP;
}
-
+
se = getservbyname(port, protocol);
if (!se)
{
assert(address != NULL);
CHECK_ADDRESS(address, INET, GSOCK_INVADDR);
-
+
addr = (struct sockaddr_in *)address->m_addr;
addr->sin_port = htons(port);
char *addr_buf;
struct sockaddr_in *addr;
- assert(address != NULL);
+ assert(address != NULL);
CHECK_ADDRESS(address, INET, GSOCK_INVADDR);
addr = (struct sockaddr_in *)address->m_addr;
{
struct sockaddr_in *addr;
- assert(address != NULL);
- CHECK_ADDRESS(address, INET, 0);
+ assert(address != NULL);
+ CHECK_ADDRESS(address, INET, 0);
addr = (struct sockaddr_in *)address->m_addr;
{
struct sockaddr_in *addr;
- assert(address != NULL);
- CHECK_ADDRESS(address, INET, 0);
+ assert(address != NULL);
+ CHECK_ADDRESS(address, INET, 0);
addr = (struct sockaddr_in *)address->m_addr;
return ntohs(addr->sin_port);
}
-#endif /* !defined(__WXMSW__) || (defined(__WXMSW__) && wxUSE_SOCKETS) */
+#endif /* defined(__GSOCKET_STANDALONE__) || defined(wxUSE_SOCKETS) */
+
projects / wxWidgets.git / blobdiff