X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/5c9eff305505d6e3a63026c542004d518d997d2a..1721a8c028d3b6a553634c632117fbfac102a30e:/include/wx/gsocket.h diff --git a/include/wx/gsocket.h b/include/wx/gsocket.h index 7ec123fd4d..a527a8586a 100644 --- a/include/wx/gsocket.h +++ b/include/wx/gsocket.h @@ -1,7 +1,7 @@ /* ------------------------------------------------------------------------- * Project: GSocket (Generic Socket) * Name: gsocket.h - * Author: Guilhem Lavaux + * Author: Guilhem Lavaux * Guillermo Rodriguez Garcia (maintainer) * Purpose: GSocket include file (system independent) * CVSID: $Id$ @@ -13,18 +13,35 @@ #ifndef __GSOCKET_STANDALONE__ #include "wx/setup.h" +#include "wx/platform.h" + +#include "wx/dlimpexp.h" /* for WXDLLIMPEXP_NET */ + #endif #if wxUSE_SOCKETS || defined(__GSOCKET_STANDALONE__) #include + +/* + Including sys/types.h under cygwin results in the warnings about "fd_set + having been defined in sys/types.h" when winsock.h is included later and + doesn't seem to be necessary anyhow. It's not needed under Mac neither. + */ +#if !defined(__WXMAC__) && !defined(__CYGWIN__) && !defined(__WXWINCE__) #include +#endif + +#ifdef __WXWINCE__ +#include +#endif + +class GSocket; #ifdef __cplusplus extern "C" { #endif -typedef struct _GSocket GSocket; typedef struct _GAddress GAddress; typedef enum { @@ -49,7 +66,8 @@ typedef enum { GSOCK_INVPORT, GSOCK_WOULDBLOCK, GSOCK_TIMEDOUT, - GSOCK_MEMERR + GSOCK_MEMERR, + GSOCK_OPTERR } GSocketError; /* See below for an explanation on how events work. @@ -75,8 +93,33 @@ typedef void (*GSocketCallback)(GSocket *socket, GSocketEvent event, char *cdata); +/* Functions tables for internal use by GSocket code: */ + +/* Actually this is a misnomer now, but reusing this name means I don't + have to ifdef app traits or common socket code */ +class GSocketGUIFunctionsTable +{ +public: + virtual bool OnInit() = 0; + virtual void OnExit() = 0; + virtual bool CanUseEventLoop() = 0; + virtual bool Init_Socket(GSocket *socket) = 0; + virtual void Destroy_Socket(GSocket *socket) = 0; +#ifndef __WINDOWS__ + virtual void Install_Callback(GSocket *socket, GSocketEvent event) = 0; + virtual void Uninstall_Callback(GSocket *socket, GSocketEvent event) = 0; +#endif + virtual void Enable_Events(GSocket *socket) = 0; + virtual void Disable_Events(GSocket *socket) = 0; +}; + + /* Global initializers */ +/* Sets GUI functions callbacks. Must be called *before* GSocket_Init + if the app uses async sockets. */ +void GSocket_SetGUIFunctions(GSocketGUIFunctionsTable *guifunc); + /* GSocket_Init() must be called at the beginning */ int GSocket_Init(void); @@ -87,191 +130,6 @@ void GSocket_Cleanup(void); /* Constructors / Destructors */ GSocket *GSocket_new(void); -void GSocket_destroy(GSocket *socket); - - - -/* GSocket_Shutdown: - * Disallow further read/write operations on this socket, close - * the fd and disable all callbacks. - */ -void GSocket_Shutdown(GSocket *socket); - -/* Address handling */ - -/* GSocket_SetLocal: - * GSocket_GetLocal: - * GSocket_SetPeer: - * GSocket_GetPeer: - * Set or get the local or peer address for this socket. The 'set' - * functions return GSOCK_NOERROR on success, an error code otherwise. - * The 'get' functions return a pointer to a GAddress object on success, - * or NULL otherwise, in which case they set the error code of the - * corresponding GSocket. - * - * Error codes: - * GSOCK_INVSOCK - the socket is not valid. - * GSOCK_INVADDR - the address is not valid. - */ -GSocketError GSocket_SetLocal(GSocket *socket, GAddress *address); -GSocketError GSocket_SetPeer(GSocket *socket, GAddress *address); -GAddress *GSocket_GetLocal(GSocket *socket); -GAddress *GSocket_GetPeer(GSocket *socket); - -/* Server specific parts */ - -/* GSocket_SetServer: - * Sets up this socket as a server. The local address must have been - * set with GSocket_SetLocal() before GSocket_SetServer() is called. - * Returns GSOCK_NOERROR on success, one of the following otherwise: - * - * Error codes: - * GSOCK_INVSOCK - the socket is in use. - * GSOCK_INVADDR - the local address has not been set. - * GSOCK_IOERR - low-level error. - */ -GSocketError GSocket_SetServer(GSocket *socket); - -/* GSocket_WaitConnection: - * Waits for an incoming client connection. Returns a pointer to - * a GSocket object, or NULL if there was an error, in which case - * the last error field will be updated for the calling GSocket. - * - * Error codes (set in the calling GSocket) - * GSOCK_INVSOCK - the socket is not valid or not a server. - * GSOCK_TIMEDOUT - timeout, no incoming connections. - * GSOCK_WOULDBLOCK - the call would block and the socket is nonblocking. - * GSOCK_MEMERR - couldn't allocate memory. - * GSOCK_IOERR - low-level error. - */ -GSocket *GSocket_WaitConnection(GSocket *socket); - - -/* Client specific parts */ - -/* GSocket_Connect: - * For stream (connection oriented) sockets, GSocket_Connect() tries - * to establish a client connection to a server using the peer address - * as established with GSocket_SetPeer(). Returns GSOCK_NOERROR if the - * connection has been succesfully established, or one of the error - * codes listed below. Note that for nonblocking sockets, a return - * value of GSOCK_WOULDBLOCK doesn't mean a failure. The connection - * request can be completed later; you should use GSocket_Select() - * to poll for GSOCK_CONNECTION | GSOCK_LOST, or wait for the - * corresponding asynchronous events. - * - * For datagram (non connection oriented) sockets, GSocket_Connect() - * just sets the peer address established with GSocket_SetPeer() as - * default destination. - * - * Error codes: - * GSOCK_INVSOCK - the socket is in use or not valid. - * GSOCK_INVADDR - the peer address has not been established. - * GSOCK_TIMEDOUT - timeout, the connection failed. - * GSOCK_WOULDBLOCK - connection in progress (nonblocking sockets only) - * GSOCK_MEMERR - couldn't allocate memory. - * GSOCK_IOERR - low-level error. - */ -GSocketError GSocket_Connect(GSocket *socket, GSocketStream stream); - - -/* Datagram sockets */ - -/* GSocket_SetNonOriented: - * Sets up this socket as a non-connection oriented (datagram) socket. - * Before using this function, the local address must have been set - * with GSocket_SetLocal(), or the call will fail. Returns GSOCK_NOERROR - * on success, or one of the following otherwise. - * - * Error codes: - * GSOCK_INVSOCK - the socket is in use. - * GSOCK_INVADDR - the local address has not been set. - * GSOCK_IOERR - low-level error. - */ -GSocketError GSocket_SetNonOriented(GSocket *socket); - - -/* Generic IO */ - -/* Like recv(), send(), ... */ - -/* For datagram sockets, the incoming / outgoing addresses - * are stored as / read from the 'peer' address field. - */ -int GSocket_Read(GSocket *socket, char *buffer, int size); -int GSocket_Write(GSocket *socket, const char *buffer, - int size); - -/* 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); - - -/* Attributes */ - -/* GSocket_SetNonBlocking: - * Sets the socket to non-blocking mode. All IO calls will return - * immediately. - */ -void GSocket_SetNonBlocking(GSocket *socket, int non_block); - -/* GSocket_SetTimeout: - * Sets the timeout for blocking calls. Time is expressed in - * milliseconds. - */ -void GSocket_SetTimeout(GSocket *socket, unsigned long millisec); - -/* GSocket_GetError: - * Returns the last error occured for this socket. Note that successful - * operations do not clear this back to GSOCK_NOERROR, so use it only - * after an error. - */ -GSocketError GSocket_GetError(GSocket *socket); - - -/* Callbacks */ - -/* GSOCK_INPUT: - * There is data to be read in the input buffer. If, after a read - * operation, there is still data available, the callback function will - * be called again. - * GSOCK_OUTPUT: - * The socket is available for writing. That is, the next write call - * won't block. This event is generated only once, when the connection is - * first established, and then only if a call failed with GSOCK_WOULDBLOCK, - * when the output buffer empties again. This means that the app should - * assume that it can write since the first OUTPUT event, and no more - * OUTPUT events will be generated unless an error occurs. - * GSOCK_CONNECTION: - * Connection succesfully established, for client sockets, or incoming - * client connection, for server sockets. Wait for this event (also watch - * out for GSOCK_LOST) after you issue a nonblocking GSocket_Connect() call. - * GSOCK_LOST: - * The connection is lost (or a connection request failed); this could - * be due to a failure, or due to the peer closing it gracefully. - */ - -/* GSocket_SetCallback: - * 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 flags, - GSocketCallback fallback, char *cdata); - -/* GSocket_UnsetCallback: - * Disables all callbacks specified by 'flags', which may be a - * combination of flags OR'ed toghether. - */ -void GSocket_UnsetCallback(GSocket *socket, GSocketEventFlags flags); /* GAddress */ @@ -307,9 +165,16 @@ GSocketError GAddress_UNIX_SetPath(GAddress *address, const char *path); GSocketError GAddress_UNIX_GetPath(GAddress *address, char *path, size_t sbuf); #ifdef __cplusplus -}; +} #endif /* __cplusplus */ +# if defined(__WINDOWS__) +# include "wx/msw/gsockmsw.h" +# elif defined(__WXMAC__) && !defined(__DARWIN__) +# include "wx/mac/gsockmac.h" +# else +# include "wx/unix/gsockunx.h" +# endif #endif /* wxUSE_SOCKETS || defined(__GSOCKET_STANDALONE__) */