+++ /dev/null
-/* -------------------------------------------------------------------------
- * Project: GSocket (Generic Socket) for WX
- * Name: gsocket.c
- * Authors: Guilhem Lavaux,
- * Guillermo Rodriguez Garcia <guille@iies.es> (maintainer)
- * Purpose: GSocket main Unix and OS/2 file
- * Licence: The wxWidgets licence
- * CVSID: $Id$
- * -------------------------------------------------------------------------
- */
-
-/*
- * PLEASE don't put C++ comments here - this is a C source file.
- */
-
-#ifndef __GSOCKET_STANDALONE__
-#include "wx/setup.h"
-#endif
-
-#if defined(__VISAGECPP__)
-/* Seems to be needed by Visual Age C++, though I don't see how it manages
- to not break on including a C++ header into a plain C source file */
-#include "wx/defs.h"
-#define BSD_SELECT /* use Berkley Sockets select */
-#endif
-
-#if wxUSE_SOCKETS || defined(__GSOCKET_STANDALONE__)
-
-#include <assert.h>
-#include <sys/types.h>
-#ifdef __VISAGECPP__
-#include <string.h>
-#include <sys/time.h>
-#include <types.h>
-#include <netinet/in.h>
-#endif
-#include <netdb.h>
-#include <sys/ioctl.h>
-
-#ifdef __VMS__
-#include <socket.h>
-struct sockaddr_un
-{
- u_char sun_len; /* sockaddr len including null */
- u_char sun_family; /* AF_UNIX */
- char sun_path[108]; /* path name (gag) */
-};
-#else
-#include <sys/socket.h>
-#include <sys/un.h>
-#endif
-
-#ifndef __VISAGECPP__
-#include <sys/time.h>
-#include <netinet/in.h>
-#include <arpa/inet.h>
-#include <errno.h>
-#include <string.h>
-#include <unistd.h>
-#else
-#include <nerrno.h>
-# if __IBMCPP__ < 400
-#include <machine/endian.h>
-#include <socket.h>
-#include <ioctl.h>
-#include <select.h>
-#include <unistd.h>
-
-#define EBADF SOCEBADF
-
-# ifdef min
-# undef min
-# endif
-# else
-#include <sys/socket.h>
-#include <sys/ioctl.h>
-#include <sys/select.h>
-
-#define close(a) soclose(a)
-#define select(a,b,c,d,e) bsdselect(a,b,c,d,e)
-int _System bsdselect(int,
- struct fd_set *,
- struct fd_set *,
- struct fd_set *,
- struct timeval *);
-int _System soclose(int);
-# endif
-#endif
-#include <stdio.h>
-#include <stdlib.h>
-#include <stddef.h>
-#include <ctype.h>
-#ifdef sun
-# include <sys/filio.h>
-#endif
-#ifdef sgi
-# include <bstring.h>
-#endif
-#include <signal.h>
-
-#ifndef SOCKLEN_T
-
-#ifdef VMS
-# define SOCKLEN_T unsigned int
-#else
-# ifdef __GLIBC__
-# if __GLIBC__ == 2
-# define SOCKLEN_T socklen_t
-# endif
-# else
-# define SOCKLEN_T int
-# endif
-#endif
-
-#endif /* SOCKLEN_T */
-
-/*
- * MSW defines this, Unices don't.
- */
-#ifndef INVALID_SOCKET
-#define INVALID_SOCKET -1
-#endif
-
-/* UnixWare reportedly needs this for FIONBIO definition */
-#ifdef __UNIXWARE__
-#include <sys/filio.h>
-#endif
-
-/*
- * INADDR_BROADCAST is identical to INADDR_NONE which is not defined
- * on all systems. INADDR_BROADCAST should be fine to indicate an error.
- */
-#ifndef INADDR_NONE
-#define INADDR_NONE INADDR_BROADCAST
-#endif
-
-#define MASK_SIGNAL() \
-{ \
- void (*old_handler)(int); \
- \
- old_handler = signal(SIGPIPE, SIG_IGN);
-
-#define UNMASK_SIGNAL() \
- signal(SIGPIPE, old_handler); \
-}
-
-
-#ifndef __GSOCKET_STANDALONE__
-# include "wx/unix/gsockunx.h"
-# include "wx/gsocket.h"
-#else
-# include "gsockunx.h"
-# include "gsocket.h"
-#endif /* __GSOCKET_STANDALONE__ */
-
-/* debugging helpers */
-#ifdef __GSOCKET_DEBUG__
-# define GSocket_Debug(args) printf args
-#else
-# define GSocket_Debug(args)
-#endif /* __GSOCKET_DEBUG__ */
-
-/* Table of GUI-related functions. We must call them indirectly because
- * of wxBase and GUI separation: */
-
-static struct GSocketGUIFunctionsTable *gs_gui_functions;
-
-#define USE_GUI() (gs_gui_functions != NULL)
-
-/* Define macros to simplify indirection: */
-#define _GSocket_GUI_Init() \
- if (gs_gui_functions) gs_gui_functions->GUI_Init()
-#define _GSocket_GUI_Cleanup() \
- if (gs_gui_functions) gs_gui_functions->GUI_Cleanup()
-#define _GSocket_GUI_Init_Socket(socket) \
- (gs_gui_functions ? gs_gui_functions->GUI_Init_Socket(socket) : 1)
-#define _GSocket_GUI_Destroy_Socket(socket) \
- if (gs_gui_functions) gs_gui_functions->GUI_Destroy_Socket(socket)
-#define _GSocket_Enable_Events(socket) \
- if (gs_gui_functions) gs_gui_functions->Enable_Events(socket)
-#define _GSocket_Disable_Events(socket) \
- if (gs_gui_functions) gs_gui_functions->Disable_Events(socket)
-#define _GSocket_Install_Callback(socket, event) \
- if (gs_gui_functions) gs_gui_functions->Install_Callback(socket, event)
-#define _GSocket_Uninstall_Callback(socket, event) \
- if (gs_gui_functions) gs_gui_functions->Uninstall_Callback(socket, event)
-
-static struct GSocketBaseFunctionsTable gs_base_functions =
-{
- _GSocket_Detected_Read,
- _GSocket_Detected_Write
-};
-
-/* Global initialisers */
-
-void GSocket_SetGUIFunctions(struct GSocketGUIFunctionsTable *guifunc)
-{
- gs_gui_functions = guifunc;
-}
-
-int GSocket_Init(void)
-{
- if (gs_gui_functions)
- {
- if ( !gs_gui_functions->GUI_Init() )
- return 0;
- }
- return 1;
-}
-
-void GSocket_Cleanup(void)
-{
- if (gs_gui_functions)
- {
- gs_gui_functions->GUI_Cleanup();
- }
-}
-
-/* Constructors / Destructors for GSocket */
-
-GSocket *GSocket_new(void)
-{
- int i, success;
- GSocket *socket;
-
- socket = (GSocket *)malloc(sizeof(GSocket));
-
- if (socket == NULL)
- return NULL;
-
- socket->m_fd = INVALID_SOCKET;
- for (i=0;i<GSOCK_MAX_EVENT;i++)
- {
- socket->m_cbacks[i] = NULL;
- }
- socket->m_detected = 0;
- socket->m_local = NULL;
- socket->m_peer = NULL;
- socket->m_error = GSOCK_NOERROR;
- socket->m_server = FALSE;
- socket->m_stream = TRUE;
- socket->m_gui_dependent = NULL;
- socket->m_non_blocking = FALSE;
- socket->m_timeout = 10*60*1000;
- /* 10 minutes * 60 sec * 1000 millisec */
- socket->m_establishing = FALSE;
-
- socket->m_functions = &gs_base_functions;
-
- /* Per-socket GUI-specific initialization */
- success = _GSocket_GUI_Init_Socket(socket);
- if (!success)
- {
- free(socket);
- return NULL;
- }
-
- return socket;
-}
-
-void GSocket_close(GSocket *socket)
-{
- _GSocket_Disable_Events(socket);
- close(socket->m_fd);
- socket->m_fd = INVALID_SOCKET;
-}
-
-void GSocket_destroy(GSocket *socket)
-{
- assert(socket != NULL);
-
- /* Check that the socket is really shutdowned */
- if (socket->m_fd != INVALID_SOCKET)
- GSocket_Shutdown(socket);
-
- /* Per-socket GUI-specific cleanup */
- _GSocket_GUI_Destroy_Socket(socket);
-
- /* Destroy private addresses */
- if (socket->m_local)
- GAddress_destroy(socket->m_local);
-
- if (socket->m_peer)
- GAddress_destroy(socket->m_peer);
-
- /* Destroy the socket itself */
- free(socket);
-}
-
-/* GSocket_Shutdown:
- * Disallow further read/write operations on this socket, close
- * the fd and disable all callbacks.
- */
-void GSocket_Shutdown(GSocket *socket)
-{
- int evt;
-
- assert(socket != NULL);
-
- /* If socket has been created, shutdown it */
- if (socket->m_fd != INVALID_SOCKET)
- {
- shutdown(socket->m_fd, 2);
- GSocket_close(socket);
- }
-
- /* Disable GUI callbacks */
- for (evt = 0; evt < GSOCK_MAX_EVENT; evt++)
- socket->m_cbacks[evt] = NULL;
-
- socket->m_detected = GSOCK_LOST_FLAG;
-}
-
-/* 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)
-{
- assert(socket != NULL);
-
- /* the socket must be initialized, or it must be a server */
- if ((socket->m_fd != INVALID_SOCKET && !socket->m_server))
- {
- socket->m_error = GSOCK_INVSOCK;
- return GSOCK_INVSOCK;
- }
-
- /* check address */
- if (address == NULL || address->m_family == GSOCK_NOFAMILY)
- {
- socket->m_error = GSOCK_INVADDR;
- return GSOCK_INVADDR;
- }
-
- if (socket->m_local)
- GAddress_destroy(socket->m_local);
-
- socket->m_local = GAddress_copy(address);
-
- return GSOCK_NOERROR;
-}
-
-GSocketError GSocket_SetPeer(GSocket *socket, GAddress *address)
-{
- assert(socket != NULL);
-
- /* check address */
- if (address == NULL || address->m_family == GSOCK_NOFAMILY)
- {
- socket->m_error = GSOCK_INVADDR;
- return GSOCK_INVADDR;
- }
-
- if (socket->m_peer)
- GAddress_destroy(socket->m_peer);
-
- socket->m_peer = GAddress_copy(address);
-
- return GSOCK_NOERROR;
-}
-
-GAddress *GSocket_GetLocal(GSocket *socket)
-{
- GAddress *address;
- struct sockaddr addr;
- SOCKLEN_T size = sizeof(addr);
- GSocketError err;
-
- assert(socket != NULL);
-
- /* try to get it from the m_local var first */
- if (socket->m_local)
- return GAddress_copy(socket->m_local);
-
- /* else, if the socket is initialized, try getsockname */
- if (socket->m_fd == INVALID_SOCKET)
- {
- socket->m_error = GSOCK_INVSOCK;
- return NULL;
- }
-
- if (getsockname(socket->m_fd, &addr, (SOCKLEN_T *) &size) < 0)
- {
- socket->m_error = GSOCK_IOERR;
- return NULL;
- }
-
- /* got a valid address from getsockname, create a GAddress object */
- address = GAddress_new();
- if (address == NULL)
- {
- socket->m_error = GSOCK_MEMERR;
- return NULL;
- }
-
- err = _GAddress_translate_from(address, &addr, size);
- if (err != GSOCK_NOERROR)
- {
- GAddress_destroy(address);
- socket->m_error = err;
- return NULL;
- }
-
- return address;
-}
-
-GAddress *GSocket_GetPeer(GSocket *socket)
-{
- assert(socket != NULL);
-
- /* try to get it from the m_peer var */
- if (socket->m_peer)
- return GAddress_copy(socket->m_peer);
-
- return NULL;
-}
-
-/* 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 *sck)
-{
- int arg = 1;
-
- assert(sck != NULL);
-
- /* must not be in use */
- if (sck->m_fd != INVALID_SOCKET)
- {
- sck->m_error = GSOCK_INVSOCK;
- return GSOCK_INVSOCK;
- }
-
- /* the local addr must have been set */
- if (!sck->m_local)
- {
- sck->m_error = GSOCK_INVADDR;
- return GSOCK_INVADDR;
- }
-
- /* Initialize all fields */
- sck->m_stream = TRUE;
- sck->m_server = TRUE;
- sck->m_oriented = TRUE;
-
- /* Create the socket */
- sck->m_fd = socket(sck->m_local->m_realfamily, SOCK_STREAM, 0);
-
- if (sck->m_fd == INVALID_SOCKET)
- {
- sck->m_error = GSOCK_IOERR;
- return GSOCK_IOERR;
- }
-#if defined(__EMX__) || defined(__VISAGECPP__)
- ioctl(sck->m_fd, FIONBIO, (char*)&arg, sizeof(arg));
-#else
- ioctl(sck->m_fd, FIONBIO, &arg);
-#endif
- _GSocket_Enable_Events(sck);
-
- /* Bind to the local address,
- * retrieve the actual address bound,
- * and listen up to 5 connections.
- */
- if ((bind(sck->m_fd, sck->m_local->m_addr, sck->m_local->m_len) != 0) ||
- (getsockname(sck->m_fd,
- sck->m_local->m_addr,
- (SOCKLEN_T *) &sck->m_local->m_len) != 0) ||
- (listen(sck->m_fd, 5) != 0))
- {
- GSocket_close(sck);
- sck->m_error = GSOCK_IOERR;
- return GSOCK_IOERR;
- }
-
- return GSOCK_NOERROR;
-}
-
-/* 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)
-{
- struct sockaddr from;
- SOCKLEN_T fromlen = sizeof(from);
- GSocket *connection;
- GSocketError err;
- int arg = 1;
-
- assert(socket != NULL);
-
- /* Reenable CONNECTION events */
- _GSocket_Enable(socket, GSOCK_CONNECTION);
-
- /* If the socket has already been created, we exit immediately */
- if (socket->m_fd == INVALID_SOCKET || !socket->m_server)
- {
- socket->m_error = GSOCK_INVSOCK;
- return NULL;
- }
-
- /* Create a GSocket object for the new connection */
- connection = GSocket_new();
-
- if (!connection)
- {
- socket->m_error = GSOCK_MEMERR;
- return NULL;
- }
-
- /* Wait for a connection (with timeout) */
- if (_GSocket_Input_Timeout(socket) == GSOCK_TIMEDOUT)
- {
- GSocket_destroy(connection);
- /* socket->m_error set by _GSocket_Input_Timeout */
- return NULL;
- }
-
- connection->m_fd = accept(socket->m_fd, &from, (SOCKLEN_T *) &fromlen);
-
- if (connection->m_fd == INVALID_SOCKET)
- {
- if (errno == EWOULDBLOCK)
- socket->m_error = GSOCK_WOULDBLOCK;
- else
- socket->m_error = GSOCK_IOERR;
-
- GSocket_destroy(connection);
- return NULL;
- }
-
- /* Initialize all fields */
- connection->m_server = FALSE;
- connection->m_stream = TRUE;
- connection->m_oriented = TRUE;
-
- /* Setup the peer address field */
- connection->m_peer = GAddress_new();
- if (!connection->m_peer)
- {
- GSocket_destroy(connection);
- socket->m_error = GSOCK_MEMERR;
- return NULL;
- }
- err = _GAddress_translate_from(connection->m_peer, &from, fromlen);
- if (err != GSOCK_NOERROR)
- {
- GAddress_destroy(connection->m_peer);
- GSocket_destroy(connection);
- socket->m_error = err;
- return NULL;
- }
-#if defined(__EMX__) || defined(__VISAGECPP__)
- ioctl(connection->m_fd, FIONBIO, (char*)&arg, sizeof(arg));
-#else
- ioctl(connection->m_fd, FIONBIO, &arg);
-#endif
- _GSocket_Enable_Events(connection);
-
- return connection;
-}
-
-/* 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 *sck, GSocketStream stream)
-{
- int err, ret;
- int arg = 1;
-
- assert(sck != NULL);
-
- /* Enable CONNECTION events (needed for nonblocking connections) */
- _GSocket_Enable(sck, GSOCK_CONNECTION);
-
- if (sck->m_fd != INVALID_SOCKET)
- {
- sck->m_error = GSOCK_INVSOCK;
- return GSOCK_INVSOCK;
- }
-
- if (!sck->m_peer)
- {
- sck->m_error = GSOCK_INVADDR;
- return GSOCK_INVADDR;
- }
-
- /* Streamed or dgram socket? */
- sck->m_stream = (stream == GSOCK_STREAMED);
- sck->m_oriented = TRUE;
- sck->m_server = FALSE;
- sck->m_establishing = FALSE;
-
- /* Create the socket */
- sck->m_fd = socket(sck->m_peer->m_realfamily,
- sck->m_stream? SOCK_STREAM : SOCK_DGRAM, 0);
-
- if (sck->m_fd == INVALID_SOCKET)
- {
- sck->m_error = GSOCK_IOERR;
- return GSOCK_IOERR;
- }
-#if defined(__EMX__) || defined(__VISAGECPP__)
- ioctl(sck->m_fd, FIONBIO, (char*)&arg, sizeof(arg));
-#else
- ioctl(sck->m_fd, FIONBIO, &arg);
-#endif
- _GSocket_Enable_Events(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);
-
- if (ret == -1)
- {
- err = errno;
-
- /* If connect failed with EINPROGRESS and the GSocket object
- * is in blocking mode, we select() for the specified timeout
- * checking for writability to see if the connection request
- * completes.
- */
- if ((err == EINPROGRESS) && (!sck->m_non_blocking))
- {
- if (_GSocket_Output_Timeout(sck) == GSOCK_TIMEDOUT)
- {
- GSocket_close(sck);
- /* sck->m_error is set in _GSocket_Output_Timeout */
- return GSOCK_TIMEDOUT;
- }
- else
- {
- int error;
- SOCKLEN_T len = sizeof(error);
-
- getsockopt(sck->m_fd, SOL_SOCKET, SO_ERROR, (void*) &error, &len);
-
- if (!error)
- return GSOCK_NOERROR;
- }
- }
-
- /* If connect failed with EINPROGRESS and the GSocket object
- * is set to nonblocking, we set m_error to GSOCK_WOULDBLOCK
- * (and return GSOCK_WOULDBLOCK) but we don't close the socket;
- * this way if the connection completes, a GSOCK_CONNECTION
- * event will be generated, if enabled.
- */
- if ((err == EINPROGRESS) && (sck->m_non_blocking))
- {
- sck->m_establishing = TRUE;
- sck->m_error = GSOCK_WOULDBLOCK;
- return GSOCK_WOULDBLOCK;
- }
-
- /* If connect failed with an error other than EINPROGRESS,
- * then the call to GSocket_Connect has failed.
- */
- GSocket_close(sck);
- sck->m_error = GSOCK_IOERR;
- return GSOCK_IOERR;
- }
-
- return GSOCK_NOERROR;
-}
-
-/* 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 *sck)
-{
- int arg = 1;
-
- assert(sck != NULL);
-
- if (sck->m_fd != INVALID_SOCKET)
- {
- sck->m_error = GSOCK_INVSOCK;
- return GSOCK_INVSOCK;
- }
-
- if (!sck->m_local)
- {
- sck->m_error = GSOCK_INVADDR;
- return GSOCK_INVADDR;
- }
-
- /* Initialize all fields */
- sck->m_stream = FALSE;
- sck->m_server = FALSE;
- sck->m_oriented = FALSE;
-
- /* Create the socket */
- sck->m_fd = socket(sck->m_local->m_realfamily, SOCK_DGRAM, 0);
-
- if (sck->m_fd == INVALID_SOCKET)
- {
- sck->m_error = GSOCK_IOERR;
- return GSOCK_IOERR;
- }
-#if defined(__EMX__) || defined(__VISAGECPP__)
- ioctl(sck->m_fd, FIONBIO, (char*)&arg, sizeof(arg));
-#else
- ioctl(sck->m_fd, FIONBIO, &arg);
-#endif
- _GSocket_Enable_Events(sck);
-
- /* Bind to the local address,
- * and retrieve the actual address bound.
- */
- if ((bind(sck->m_fd, sck->m_local->m_addr, sck->m_local->m_len) != 0) ||
- (getsockname(sck->m_fd,
- sck->m_local->m_addr,
- (SOCKLEN_T *) &sck->m_local->m_len) != 0))
- {
- GSocket_close(sck);
- sck->m_error = GSOCK_IOERR;
- return GSOCK_IOERR;
- }
-
- return GSOCK_NOERROR;
-}
-
-/* Generic IO */
-
-/* Like recv(), send(), ... */
-int GSocket_Read(GSocket *socket, char *buffer, int size)
-{
- int ret;
-
- assert(socket != NULL);
-
- /* Reenable INPUT events */
- _GSocket_Enable(socket, GSOCK_INPUT);
-
- if (socket->m_fd == INVALID_SOCKET || socket->m_server)
- {
- socket->m_error = GSOCK_INVSOCK;
- return -1;
- }
-
- /* If the socket is blocking, wait for data (with a timeout) */
- if (_GSocket_Input_Timeout(socket) == GSOCK_TIMEDOUT)
- return -1;
-
- /* Read the data */
- if (socket->m_stream)
- ret = _GSocket_Recv_Stream(socket, buffer, size);
- else
- ret = _GSocket_Recv_Dgram(socket, buffer, size);
-
- if (ret == -1)
- {
- if (errno == EWOULDBLOCK)
- socket->m_error = GSOCK_WOULDBLOCK;
- else
- socket->m_error = GSOCK_IOERR;
- }
-
- return ret;
-}
-
-int GSocket_Write(GSocket *socket, const char *buffer, int size)
-{
- int ret;
-
- assert(socket != NULL);
-
- GSocket_Debug(( "GSocket_Write #1, size %d\n", size ));
-
- if (socket->m_fd == INVALID_SOCKET || socket->m_server)
- {
- socket->m_error = GSOCK_INVSOCK;
- return -1;
- }
-
- GSocket_Debug(( "GSocket_Write #2, size %d\n", size ));
-
- /* If the socket is blocking, wait for writability (with a timeout) */
- if (_GSocket_Output_Timeout(socket) == GSOCK_TIMEDOUT)
- return -1;
-
- GSocket_Debug(( "GSocket_Write #3, size %d\n", size ));
-
- /* Write the data */
- if (socket->m_stream)
- ret = _GSocket_Send_Stream(socket, buffer, size);
- else
- ret = _GSocket_Send_Dgram(socket, buffer, size);
-
- GSocket_Debug(( "GSocket_Write #4, size %d\n", size ));
-
- if (ret == -1)
- {
- if (errno == EWOULDBLOCK)
- {
- socket->m_error = GSOCK_WOULDBLOCK;
- GSocket_Debug(( "GSocket_Write error WOULDBLOCK\n" ));
- }
- else
- {
- socket->m_error = GSOCK_IOERR;
- GSocket_Debug(( "GSocket_Write error IOERR\n" ));
- }
-
- /* Only reenable OUTPUT events after an error (just like WSAAsyncSelect
- * in MSW). Once the first OUTPUT event is received, users can assume
- * that the socket is writable until a read operation fails. Only then
- * will further OUTPUT events be posted.
- */
- _GSocket_Enable(socket, GSOCK_OUTPUT);
- return -1;
- }
-
- GSocket_Debug(( "GSocket_Write #5, size %d ret %d\n", size, ret ));
-
- return ret;
-}
-
-/* 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)
-{
- if (!USE_GUI())
- {
-
- GSocketEventFlags result = 0;
- fd_set readfds;
- fd_set writefds;
- fd_set exceptfds;
- struct timeval tv;
-
- /* Do not use a static struct, Linux can garble it */
- tv.tv_sec = 0;
- tv.tv_usec = 0;
-
- assert(socket != NULL);
-
- 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);
-
- /* Check 'sticky' CONNECTION flag first */
- result |= (GSOCK_CONNECTION_FLAG & socket->m_detected);
-
- /* If we have already detected a LOST event, then don't try
- * to do any further processing.
- */
- if ((socket->m_detected & GSOCK_LOST_FLAG) != 0)
- {
- socket->m_establishing = FALSE;
-
- return (GSOCK_LOST_FLAG & flags);
- }
-
- /* Try select now */
- if (select(socket->m_fd + 1, &readfds, &writefds, &exceptfds, &tv) <= 0)
- {
- /* What to do here? */
- return (result & flags);
- }
-
- /* Check for readability */
- if (FD_ISSET(socket->m_fd, &readfds))
- {
- char c;
-
- if (recv(socket->m_fd, &c, 1, MSG_PEEK) > 0)
- {
- result |= GSOCK_INPUT_FLAG;
- }
- else
- {
- if (socket->m_server && socket->m_stream)
- {
- result |= GSOCK_CONNECTION_FLAG;
- socket->m_detected |= GSOCK_CONNECTION_FLAG;
- }
- else
- {
- socket->m_detected = GSOCK_LOST_FLAG;
- socket->m_establishing = FALSE;
-
- /* LOST event: Abort any further processing */
- return (GSOCK_LOST_FLAG & flags);
- }
- }
- }
-
- /* Check for writability */
- if (FD_ISSET(socket->m_fd, &writefds))
- {
- if (socket->m_establishing && !socket->m_server)
- {
- int error;
- SOCKLEN_T len = sizeof(error);
-
- socket->m_establishing = FALSE;
-
- getsockopt(socket->m_fd, SOL_SOCKET, SO_ERROR, (void*)&error, &len);
-
- if (error)
- {
- socket->m_detected = GSOCK_LOST_FLAG;
-
- /* LOST event: Abort any further processing */
- return (GSOCK_LOST_FLAG & flags);
- }
- else
- {
- result |= GSOCK_CONNECTION_FLAG;
- socket->m_detected |= GSOCK_CONNECTION_FLAG;
- }
- }
- else
- {
- result |= GSOCK_OUTPUT_FLAG;
- }
- }
-
- /* Check for exceptions and errors (is this useful in Unices?) */
- if (FD_ISSET(socket->m_fd, &exceptfds))
- {
- socket->m_establishing = FALSE;
- socket->m_detected = GSOCK_LOST_FLAG;
-
- /* LOST event: Abort any further processing */
- return (GSOCK_LOST_FLAG & flags);
- }
-
- return (result & flags);
-
- }
- else
- {
-
- assert(socket != NULL);
- return flags & socket->m_detected;
-
- }
-}
-
-/* Flags */
-
-/* GSocket_SetNonBlocking:
- * Sets the socket to non-blocking mode. All IO calls will return
- * immediately.
- */
-void GSocket_SetNonBlocking(GSocket *socket, int non_block)
-{
- assert(socket != NULL);
-
- GSocket_Debug( ("GSocket_SetNonBlocking: %d\n", (int)non_block) );
-
- socket->m_non_blocking = non_block;
-}
-
-/* GSocket_SetTimeout:
- * Sets the timeout for blocking calls. Time is expressed in
- * milliseconds.
- */
-void GSocket_SetTimeout(GSocket *socket, unsigned long millisec)
-{
- assert(socket != NULL);
-
- socket->m_timeout = 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)
-{
- assert(socket != NULL);
-
- return socket->m_error;
-}
-
-/* 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 callback, char *cdata)
-{
- int count;
-
- assert(socket != NULL);
-
- for (count = 0; count < GSOCK_MAX_EVENT; count++)
- {
- if ((flags & (1 << count)) != 0)
- {
- socket->m_cbacks[count] = callback;
- socket->m_data[count] = 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)
-{
- int count;
-
- assert(socket != NULL);
-
- for (count = 0; count < GSOCK_MAX_EVENT; count++)
- {
- if ((flags & (1 << count)) != 0)
- {
- socket->m_cbacks[count] = NULL;
- socket->m_data[count] = NULL;
- }
- }
-}
-
-
-#define CALL_CALLBACK(socket, event) { \
- _GSocket_Disable(socket, event); \
- if (socket->m_cbacks[event]) \
- socket->m_cbacks[event](socket, event, socket->m_data[event]); \
-}
-
-
-void _GSocket_Enable(GSocket *socket, GSocketEvent event)
-{
- socket->m_detected &= ~(1 << event);
- _GSocket_Install_Callback(socket, event);
-}
-
-void _GSocket_Disable(GSocket *socket, GSocketEvent event)
-{
- socket->m_detected |= (1 << event);
- _GSocket_Uninstall_Callback(socket, event);
-}
-
-/* _GSocket_Input_Timeout:
- * For blocking sockets, wait until data is available or
- * until timeout ellapses.
- */
-GSocketError _GSocket_Input_Timeout(GSocket *socket)
-{
- struct timeval tv;
- fd_set readfds;
- int ret;
-
- /* Linux select() will overwrite the struct on return */
- tv.tv_sec = (socket->m_timeout / 1000);
- tv.tv_usec = (socket->m_timeout % 1000) * 1000;
-
- if (!socket->m_non_blocking)
- {
- FD_ZERO(&readfds);
- FD_SET(socket->m_fd, &readfds);
- ret = select(socket->m_fd + 1, &readfds, NULL, NULL, &tv);
- if (ret == 0)
- {
- GSocket_Debug(( "GSocket_Input_Timeout, select returned 0\n" ));
- socket->m_error = GSOCK_TIMEDOUT;
- return GSOCK_TIMEDOUT;
- }
- if (ret == -1)
- {
- GSocket_Debug(( "GSocket_Input_Timeout, select returned -1\n" ));
- if (errno == EBADF) { GSocket_Debug(( "Invalid file descriptor\n" )); }
- if (errno == EINTR) { GSocket_Debug(( "A non blocked signal was caught\n" )); }
- if (errno == EINVAL) { GSocket_Debug(( "The highest number descriptor is negative\n" )); }
- if (errno == ENOMEM) { GSocket_Debug(( "Not enough memory\n" )); }
- socket->m_error = GSOCK_TIMEDOUT;
- return GSOCK_TIMEDOUT;
- }
- }
- return GSOCK_NOERROR;
-}
-
-/* _GSocket_Output_Timeout:
- * For blocking sockets, wait until data can be sent without
- * blocking or until timeout ellapses.
- */
-GSocketError _GSocket_Output_Timeout(GSocket *socket)
-{
- struct timeval tv;
- fd_set writefds;
- int ret;
-
- /* Linux select() will overwrite the struct on return */
- tv.tv_sec = (socket->m_timeout / 1000);
- tv.tv_usec = (socket->m_timeout % 1000) * 1000;
-
- GSocket_Debug( ("m_non_blocking has: %d\n", (int)socket->m_non_blocking) );
-
- if (!socket->m_non_blocking)
- {
- FD_ZERO(&writefds);
- FD_SET(socket->m_fd, &writefds);
- ret = select(socket->m_fd + 1, NULL, &writefds, NULL, &tv);
- if (ret == 0)
- {
- GSocket_Debug(( "GSocket_Output_Timeout, select returned 0\n" ));
- socket->m_error = GSOCK_TIMEDOUT;
- return GSOCK_TIMEDOUT;
- }
- if (ret == -1)
- {
- GSocket_Debug(( "GSocket_Output_Timeout, select returned -1\n" ));
- if (errno == EBADF) { GSocket_Debug(( "Invalid file descriptor\n" )); }
- if (errno == EINTR) { GSocket_Debug(( "A non blocked signal was caught\n" )); }
- if (errno == EINVAL) { GSocket_Debug(( "The highest number descriptor is negative\n" )); }
- if (errno == ENOMEM) { GSocket_Debug(( "Not enough memory\n" )); }
- socket->m_error = GSOCK_TIMEDOUT;
- return GSOCK_TIMEDOUT;
- }
- if ( ! FD_ISSET(socket->m_fd, &writefds) ) {
- GSocket_Debug(( "GSocket_Output_Timeout is buggy!\n" ));
- }
- else {
- GSocket_Debug(( "GSocket_Output_Timeout seems correct\n" ));
- }
- }
- else
- {
- GSocket_Debug(( "GSocket_Output_Timeout, didn't try select!\n" ));
- }
-
- return GSOCK_NOERROR;
-}
-
-int _GSocket_Recv_Stream(GSocket *socket, char *buffer, int size)
-{
- return recv(socket->m_fd, buffer, size, 0);
-}
-
-int _GSocket_Recv_Dgram(GSocket *socket, char *buffer, int size)
-{
- struct sockaddr from;
- SOCKLEN_T fromlen = sizeof(from);
- int ret;
- GSocketError err;
-
- fromlen = sizeof(from);
-
- ret = recvfrom(socket->m_fd, buffer, size, 0, &from, (SOCKLEN_T *) &fromlen);
-
- if (ret == -1)
- return -1;
-
- /* Translate a system address into a GSocket address */
- if (!socket->m_peer)
- {
- socket->m_peer = GAddress_new();
- if (!socket->m_peer)
- {
- socket->m_error = GSOCK_MEMERR;
- return -1;
- }
- }
- err = _GAddress_translate_from(socket->m_peer, &from, fromlen);
- if (err != GSOCK_NOERROR)
- {
- GAddress_destroy(socket->m_peer);
- socket->m_peer = NULL;
- socket->m_error = err;
- return -1;
- }
-
- return ret;
-}
-
-int _GSocket_Send_Stream(GSocket *socket, const char *buffer, int size)
-{
- int ret;
-
-#ifndef __VISAGECPP__
- MASK_SIGNAL();
- ret = send(socket->m_fd, buffer, size, 0);
- UNMASK_SIGNAL();
-#else
- ret = send(socket->m_fd, (char *)buffer, size, 0);
-#endif
-
- return ret;
-}
-
-int _GSocket_Send_Dgram(GSocket *socket, const char *buffer, int size)
-{
- struct sockaddr *addr;
- int len, ret;
- GSocketError err;
-
- if (!socket->m_peer)
- {
- socket->m_error = GSOCK_INVADDR;
- return -1;
- }
-
- err = _GAddress_translate_to(socket->m_peer, &addr, &len);
- if (err != GSOCK_NOERROR)
- {
- socket->m_error = err;
- return -1;
- }
-
-#ifndef __VISAGECPP__
- MASK_SIGNAL();
- ret = sendto(socket->m_fd, buffer, size, 0, addr, len);
- UNMASK_SIGNAL();
-#else
- ret = sendto(socket->m_fd, (char *)buffer, size, 0, addr, len);
-#endif
-
- /* Frees memory allocated from _GAddress_translate_to */
- free(addr);
-
- return ret;
-}
-
-void _GSocket_Detected_Read(GSocket *socket)
-{
- char c;
-
- /* If we have already detected a LOST event, then don't try
- * to do any further processing.
- */
- if ((socket->m_detected & GSOCK_LOST_FLAG) != 0)
- {
- socket->m_establishing = FALSE;
-
- CALL_CALLBACK(socket, GSOCK_LOST);
- GSocket_Shutdown(socket);
- return;
- }
-
- if (recv(socket->m_fd, &c, 1, MSG_PEEK) > 0)
- {
- CALL_CALLBACK(socket, GSOCK_INPUT);
- }
- else
- {
- if (socket->m_server && socket->m_stream)
- {
- CALL_CALLBACK(socket, GSOCK_CONNECTION);
- }
- else
- {
- CALL_CALLBACK(socket, GSOCK_LOST);
- GSocket_Shutdown(socket);
- }
- }
-}
-
-void _GSocket_Detected_Write(GSocket *socket)
-{
- /* If we have already detected a LOST event, then don't try
- * to do any further processing.
- */
- if ((socket->m_detected & GSOCK_LOST_FLAG) != 0)
- {
- socket->m_establishing = FALSE;
-
- CALL_CALLBACK(socket, GSOCK_LOST);
- GSocket_Shutdown(socket);
- return;
- }
-
- if (socket->m_establishing && !socket->m_server)
- {
- int error;
- SOCKLEN_T len = sizeof(error);
-
- socket->m_establishing = FALSE;
-
- getsockopt(socket->m_fd, SOL_SOCKET, SO_ERROR, (void*)&error, &len);
-
- if (error)
- {
- CALL_CALLBACK(socket, GSOCK_LOST);
- GSocket_Shutdown(socket);
- }
- else
- {
- CALL_CALLBACK(socket, GSOCK_CONNECTION);
- /* We have to fire this event by hand because CONNECTION (for clients)
- * and OUTPUT are internally the same and we just disabled CONNECTION
- * events with the above macro.
- */
- CALL_CALLBACK(socket, GSOCK_OUTPUT);
- }
- }
- else
- {
- CALL_CALLBACK(socket, GSOCK_OUTPUT);
- }
-}
-
-/*
- * -------------------------------------------------------------------------
- * GAddress
- * -------------------------------------------------------------------------
- */
-
-/* CHECK_ADDRESS verifies that the current address family is either
- * GSOCK_NOFAMILY or GSOCK_*family*, and if it is GSOCK_NOFAMILY, it
- * initalizes it to be a GSOCK_*family*. In other cases, it returns
- * an appropiate error code.
- *
- * CHECK_ADDRESS_RETVAL does the same but returning 'retval' on error.
- */
-#define CHECK_ADDRESS(address, family) \
-{ \
- if (address->m_family == GSOCK_NOFAMILY) \
- if (_GAddress_Init_##family(address) != GSOCK_NOERROR) \
- return address->m_error; \
- if (address->m_family != GSOCK_##family) \
- { \
- address->m_error = GSOCK_INVADDR; \
- return GSOCK_INVADDR; \
- } \
-}
-
-#define CHECK_ADDRESS_RETVAL(address, family, retval) \
-{ \
- if (address->m_family == GSOCK_NOFAMILY) \
- if (_GAddress_Init_##family(address) != GSOCK_NOERROR) \
- return retval; \
- if (address->m_family != GSOCK_##family) \
- { \
- address->m_error = GSOCK_INVADDR; \
- return retval; \
- } \
-}
-
-
-GAddress *GAddress_new(void)
-{
- GAddress *address;
-
- if ((address = (GAddress *) malloc(sizeof(GAddress))) == NULL)
- return NULL;
-
- address->m_family = GSOCK_NOFAMILY;
- address->m_addr = NULL;
- address->m_len = 0;
-
- return address;
-}
-
-GAddress *GAddress_copy(GAddress *address)
-{
- GAddress *addr2;
-
- assert(address != NULL);
-
- if ((addr2 = (GAddress *) malloc(sizeof(GAddress))) == NULL)
- return NULL;
-
- memcpy(addr2, address, sizeof(GAddress));
-
- if (address->m_addr && address->m_len > 0)
- {
- addr2->m_addr = (struct sockaddr *)malloc(addr2->m_len);
- if (addr2->m_addr == NULL)
- {
- free(addr2);
- return NULL;
- }
- memcpy(addr2->m_addr, address->m_addr, addr2->m_len);
- }
-
- return addr2;
-}
-
-void GAddress_destroy(GAddress *address)
-{
- assert(address != NULL);
-
- if (address->m_addr)
- free(address->m_addr);
-
- free(address);
-}
-
-void GAddress_SetFamily(GAddress *address, GAddressType type)
-{
- assert(address != NULL);
-
- address->m_family = type;
-}
-
-GAddressType GAddress_GetFamily(GAddress *address)
-{
- assert(address != NULL);
-
- return address->m_family;
-}
-
-GSocketError _GAddress_translate_from(GAddress *address,
- struct sockaddr *addr, int len)
-{
- address->m_realfamily = addr->sa_family;
- switch (addr->sa_family)
- {
- case AF_INET:
- address->m_family = GSOCK_INET;
- break;
- case AF_UNIX:
- address->m_family = GSOCK_UNIX;
- break;
-#ifdef AF_INET6
- case AF_INET6:
- address->m_family = GSOCK_INET6;
- break;
-#endif
- default:
- {
- address->m_error = GSOCK_INVOP;
- return GSOCK_INVOP;
- }
- }
-
- if (address->m_addr)
- free(address->m_addr);
-
- address->m_len = len;
- address->m_addr = (struct sockaddr *)malloc(len);
-
- if (address->m_addr == NULL)
- {
- address->m_error = GSOCK_MEMERR;
- return GSOCK_MEMERR;
- }
- memcpy(address->m_addr, addr, len);
-
- return GSOCK_NOERROR;
-}
-
-GSocketError _GAddress_translate_to(GAddress *address,
- struct sockaddr **addr, int *len)
-{
- if (!address->m_addr)
- {
- address->m_error = GSOCK_INVADDR;
- return GSOCK_INVADDR;
- }
-
- *len = address->m_len;
- *addr = (struct sockaddr *)malloc(address->m_len);
- if (*addr == NULL)
- {
- address->m_error = GSOCK_MEMERR;
- return GSOCK_MEMERR;
- }
-
- memcpy(*addr, address->m_addr, address->m_len);
- return GSOCK_NOERROR;
-}
-
-/*
- * -------------------------------------------------------------------------
- * Internet address family
- * -------------------------------------------------------------------------
- */
-
-GSocketError _GAddress_Init_INET(GAddress *address)
-{
- address->m_len = sizeof(struct sockaddr_in);
- address->m_addr = (struct sockaddr *) malloc(address->m_len);
- if (address->m_addr == NULL)
- {
- address->m_error = GSOCK_MEMERR;
- return GSOCK_MEMERR;
- }
-
- address->m_family = GSOCK_INET;
- address->m_realfamily = PF_INET;
- ((struct sockaddr_in *)address->m_addr)->sin_family = AF_INET;
- ((struct sockaddr_in *)address->m_addr)->sin_addr.s_addr = INADDR_ANY;
-
- return GSOCK_NOERROR;
-}
-
-GSocketError GAddress_INET_SetHostName(GAddress *address, const char *hostname)
-{
- struct hostent *he;
- struct in_addr *addr;
-
- assert(address != NULL);
-
- CHECK_ADDRESS(address, INET);
-
- addr = &(((struct sockaddr_in *)address->m_addr)->sin_addr);
-
- /* If it is a numeric host name, convert it now */
-#if defined(HAVE_INET_ATON)
- if (inet_aton(hostname, addr) == 0)
- {
-#elif defined(HAVE_INET_ADDR)
- if ( (addr->s_addr = inet_addr(hostname)) == -1 )
- {
-#else
- /* Use gethostbyname by default */
- int val = 1; //VA doesn't like constants in conditional expressions at all
- if (val)
- {
-#endif
- struct in_addr *array_addr;
-
- /* It is a real name, we solve it */
- if ((he = gethostbyname(hostname)) == NULL)
- {
- /* Reset to invalid address */
- addr->s_addr = INADDR_NONE;
- address->m_error = GSOCK_NOHOST;
- return GSOCK_NOHOST;
- }
- array_addr = (struct in_addr *) *(he->h_addr_list);
- addr->s_addr = array_addr[0].s_addr;
- }
- return GSOCK_NOERROR;
-}
-
-GSocketError GAddress_INET_SetAnyAddress(GAddress *address)
-{
- return GAddress_INET_SetHostAddress(address, INADDR_ANY);
-}
-
-GSocketError GAddress_INET_SetHostAddress(GAddress *address,
- unsigned long hostaddr)
-{
- struct in_addr *addr;
-
- assert(address != NULL);
-
- CHECK_ADDRESS(address, INET);
-
- addr = &(((struct sockaddr_in *)address->m_addr)->sin_addr);
- addr->s_addr = hostaddr;
-
- return GSOCK_NOERROR;
-}
-
-GSocketError GAddress_INET_SetPortName(GAddress *address, const char *port,
- const char *protocol)
-{
- struct servent *se;
- struct sockaddr_in *addr;
-
- assert(address != NULL);
- CHECK_ADDRESS(address, INET);
-
- if (!port)
- {
- address->m_error = GSOCK_INVPORT;
- return GSOCK_INVPORT;
- }
-
- se = getservbyname(port, (char*)protocol);
- if (!se)
- {
- /* the cast to int suppresses compiler warnings about subscript having the
- type char */
- if (isdigit((int)port[0]))
- {
- int port_int;
-
- port_int = atoi(port);
- addr = (struct sockaddr_in *)address->m_addr;
- addr->sin_port = htons(port_int);
- return GSOCK_NOERROR;
- }
-
- address->m_error = GSOCK_INVPORT;
- return GSOCK_INVPORT;
- }
-
- addr = (struct sockaddr_in *)address->m_addr;
- addr->sin_port = se->s_port;
-
- return GSOCK_NOERROR;
-}
-
-GSocketError GAddress_INET_SetPort(GAddress *address, unsigned short port)
-{
- struct sockaddr_in *addr;
-
- assert(address != NULL);
- CHECK_ADDRESS(address, INET);
-
- addr = (struct sockaddr_in *)address->m_addr;
- addr->sin_port = htons(port);
-
- return GSOCK_NOERROR;
-}
-
-GSocketError GAddress_INET_GetHostName(GAddress *address, char *hostname, size_t sbuf)
-{
- struct hostent *he;
- char *addr_buf;
- struct sockaddr_in *addr;
-
- assert(address != NULL);
- CHECK_ADDRESS(address, INET);
-
- addr = (struct sockaddr_in *)address->m_addr;
- addr_buf = (char *)&(addr->sin_addr);
-
- he = gethostbyaddr(addr_buf, sizeof(addr->sin_addr), AF_INET);
- if (he == NULL)
- {
- address->m_error = GSOCK_NOHOST;
- return GSOCK_NOHOST;
- }
-
- strncpy(hostname, he->h_name, sbuf);
-
- return GSOCK_NOERROR;
-}
-
-unsigned long GAddress_INET_GetHostAddress(GAddress *address)
-{
- struct sockaddr_in *addr;
-
- assert(address != NULL);
- CHECK_ADDRESS_RETVAL(address, INET, 0);
-
- addr = (struct sockaddr_in *)address->m_addr;
-
- return addr->sin_addr.s_addr;
-}
-
-unsigned short GAddress_INET_GetPort(GAddress *address)
-{
- struct sockaddr_in *addr;
-
- assert(address != NULL);
- CHECK_ADDRESS_RETVAL(address, INET, 0);
-
- addr = (struct sockaddr_in *)address->m_addr;
- return ntohs(addr->sin_port);
-}
-
-/*
- * -------------------------------------------------------------------------
- * Unix address family
- * -------------------------------------------------------------------------
- */
-
-#ifndef __VISAGECPP__
-GSocketError _GAddress_Init_UNIX(GAddress *address)
-{
- address->m_len = sizeof(struct sockaddr_un);
- address->m_addr = (struct sockaddr *)malloc(address->m_len);
- if (address->m_addr == NULL)
- {
- address->m_error = GSOCK_MEMERR;
- return GSOCK_MEMERR;
- }
-
- address->m_family = GSOCK_UNIX;
- address->m_realfamily = PF_UNIX;
- ((struct sockaddr_un *)address->m_addr)->sun_family = AF_UNIX;
- ((struct sockaddr_un *)address->m_addr)->sun_path[0] = 0;
-
- return GSOCK_NOERROR;
-}
-
-#define UNIX_SOCK_PATHLEN (sizeof(addr->sun_path)/sizeof(addr->sun_path[0]))
-
-GSocketError GAddress_UNIX_SetPath(GAddress *address, const char *path)
-{
- struct sockaddr_un *addr;
-
- assert(address != NULL);
-
- CHECK_ADDRESS(address, UNIX);
-
- addr = ((struct sockaddr_un *)address->m_addr);
- strncpy(addr->sun_path, path, UNIX_SOCK_PATHLEN);
- addr->sun_path[UNIX_SOCK_PATHLEN - 1] = '\0';
-
- return GSOCK_NOERROR;
-}
-
-GSocketError GAddress_UNIX_GetPath(GAddress *address, char *path, size_t sbuf)
-{
- struct sockaddr_un *addr;
-
- assert(address != NULL);
- CHECK_ADDRESS(address, UNIX);
-
- addr = (struct sockaddr_un *)address->m_addr;
-
- strncpy(path, addr->sun_path, sbuf);
-
- return GSOCK_NOERROR;
-}
-#endif /* !defined(__VISAGECPP__) */
-#endif /* wxUSE_SOCKETS || defined(__GSOCKET_STANDALONE__) */
-
projects / wxWidgets.git / commitdiff
