X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/c90cc42e987809e59873d1fdb4630be71aa0a32a..ce9685190eecd78ce64b7bb5321fdde960800456:/src/msw/gsocket.cpp?ds=sidebyside diff --git a/src/msw/gsocket.cpp b/src/msw/gsocket.cpp index 86e6506f13..0bbfea6275 100644 --- a/src/msw/gsocket.cpp +++ b/src/msw/gsocket.cpp @@ -1,16 +1,21 @@ /* ------------------------------------------------------------------------- - * Project: GSocket (Generic Socket) - * Name: gsocket.c - * Author: Guillermo Rodriguez Garcia - * Purpose: GSocket main MSW file - * Licence: The wxWindows licence - * CVSID: $Id$ + * Project: GSocket (Generic Socket) + * Name: src/msw/gsocket.cpp + * Copyright: (c) Guilhem Lavaux + * Licence: wxWindows Licence + * Author: Guillermo Rodriguez Garcia + * Purpose: GSocket main MSW file + * Licence: The wxWindows licence + * CVSID: $Id$ * ------------------------------------------------------------------------- */ -/* - * PLEASE don't put C++ comments here - this is a C source file. - */ +// For compilers that support precompilation, includes "wx.h". +#include "wx/wxprec.h" + +#ifdef __BORLANDC__ + #pragma hdrstop +#endif #ifdef _MSC_VER /* RPCNOTIFICATION_ROUTINE in rasasync.h (included from winsock.h), @@ -40,11 +45,16 @@ #endif /* _MSC_VER */ +#if defined(__CYGWIN__) + //CYGWIN gives annoying warning about runtime stuff if we don't do this +# define USE_SYS_TYPES_FD_SET +# include +#endif + #include #ifndef __GSOCKET_STANDALONE__ # include "wx/platform.h" -# include "wx/setup.h" #endif #if wxUSE_SOCKETS || defined(__GSOCKET_STANDALONE__) @@ -73,19 +83,45 @@ #include #include -/* if we use configure for MSW SOCKLEN_T will be already defined */ -#ifndef SOCKLEN_T -# define SOCKLEN_T int +/* if we use configure for MSW WX_SOCKLEN_T will be already defined */ +#ifndef WX_SOCKLEN_T +# define WX_SOCKLEN_T int #endif /* Table of GUI-related functions. We must call them indirectly because * of wxBase and GUI separation: */ -static class GSocketGUIFunctionsTable *gs_gui_functions; +static GSocketGUIFunctionsTable *gs_gui_functions; +class GSocketGUIFunctionsTableNull: public GSocketGUIFunctionsTable +{ +public: + virtual bool OnInit(); + virtual void OnExit(); + virtual bool CanUseEventLoop(); + virtual bool Init_Socket(GSocket *socket); + virtual void Destroy_Socket(GSocket *socket); + virtual void Enable_Events(GSocket *socket); + virtual void Disable_Events(GSocket *socket); +}; + +bool GSocketGUIFunctionsTableNull::OnInit() +{ return true; } +void GSocketGUIFunctionsTableNull::OnExit() +{} +bool GSocketGUIFunctionsTableNull::CanUseEventLoop() +{ return false; } +bool GSocketGUIFunctionsTableNull::Init_Socket(GSocket *WXUNUSED(socket)) +{ return true; } +void GSocketGUIFunctionsTableNull::Destroy_Socket(GSocket *WXUNUSED(socket)) +{} +void GSocketGUIFunctionsTableNull::Enable_Events(GSocket *WXUNUSED(socket)) +{} +void GSocketGUIFunctionsTableNull::Disable_Events(GSocket *WXUNUSED(socket)) +{} /* Global initialisers */ -void GSocket_SetGUIFunctions(struct GSocketGUIFunctionsTable *guifunc) +void GSocket_SetGUIFunctions(GSocketGUIFunctionsTable *guifunc) { gs_gui_functions = guifunc; } @@ -94,12 +130,14 @@ int GSocket_Init(void) { WSADATA wsaData; - if (gs_gui_functions) + if (!gs_gui_functions) { - if ( !gs_gui_functions->OnInit() ) - { - return 0; - } + static GSocketGUIFunctionsTableNull table; + gs_gui_functions = &table; + } + if ( !gs_gui_functions->OnInit() ) + { + return 0; } /* Initialize WinSocket */ @@ -132,13 +170,13 @@ GSocket::GSocket() m_local = NULL; m_peer = NULL; m_error = GSOCK_NOERROR; - m_server = FALSE; - m_stream = TRUE; + m_server = false; + m_stream = true; m_non_blocking = false; m_timeout.tv_sec = 10 * 60; /* 10 minutes */ m_timeout.tv_usec = 0; - m_establishing = FALSE; - m_reusable = FALSE; + m_establishing = false; + m_reusable = false; assert(gs_gui_functions); /* Per-socket GUI-specific initialization */ @@ -260,7 +298,7 @@ GAddress *GSocket::GetLocal() { GAddress *address; struct sockaddr addr; - SOCKLEN_T size = sizeof(addr); + WX_SOCKLEN_T size = sizeof(addr); GSocketError err; assert(this); @@ -343,8 +381,8 @@ GSocketError GSocket::SetServer() } /* Initialize all fields */ - m_server = TRUE; - m_stream = TRUE; + m_server = true; + m_stream = true; /* Create the socket */ m_fd = socket(m_local->m_realfamily, SOCK_STREAM, 0); @@ -372,7 +410,7 @@ GSocketError GSocket::SetServer() if ((bind(m_fd, m_local->m_addr, m_local->m_len) != 0) || (getsockname(m_fd, m_local->m_addr, - (SOCKLEN_T *)&m_local->m_len) != 0) || + (WX_SOCKLEN_T *)&m_local->m_len) != 0) || (listen(m_fd, 5) != 0)) { Close(); @@ -399,7 +437,7 @@ GSocket *GSocket::WaitConnection() { GSocket *connection; struct sockaddr from; - SOCKLEN_T fromlen = sizeof(from); + WX_SOCKLEN_T fromlen = sizeof(from); GSocketError err; u_long arg = 1; @@ -427,7 +465,7 @@ GSocket *GSocket::WaitConnection() /* Wait for a connection (with timeout) */ if (Input_Timeout() == GSOCK_TIMEDOUT) { - GSocket_destroy(connection); + delete connection; /* m_error set by _GSocket_Input_Timeout */ return NULL; } @@ -441,19 +479,19 @@ GSocket *GSocket::WaitConnection() else m_error = GSOCK_IOERR; - GSocket_destroy(connection); + delete connection; return NULL; } /* Initialize all fields */ - connection->m_server = FALSE; - connection->m_stream = TRUE; + connection->m_server = false; + connection->m_stream = true; /* Setup the peer address field */ connection->m_peer = GAddress_new(); if (!connection->m_peer) { - GSocket_destroy(connection); + delete connection; m_error = GSOCK_MEMERR; return NULL; } @@ -461,7 +499,7 @@ GSocket *GSocket::WaitConnection() if (err != GSOCK_NOERROR) { GAddress_destroy(connection->m_peer); - GSocket_destroy(connection); + delete connection; m_error = err; return NULL; } @@ -477,17 +515,17 @@ GSocket *GSocket::WaitConnection() * make the appropriate setsockopt() call. * Implemented as a GSocket function because clients (ie, wxSocketServer) * don't have access to the GSocket struct information. -* Returns TRUE if the flag was set correctly, FALSE if an error occured +* Returns true if the flag was set correctly, false if an error occurred * (ie, if the parameter was NULL) */ -int GSocket::SetReusable() +bool GSocket::SetReusable() { /* socket must not be null, and must not be in use/already bound */ if (this && m_fd == INVALID_SOCKET) { - m_reusable = TRUE; - return TRUE; + m_reusable = true; + return true; } - return FALSE; + return false; } /* Client specific parts */ @@ -496,7 +534,7 @@ int GSocket::SetReusable() * 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 + * connection has been successfully 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() @@ -539,8 +577,8 @@ GSocketError GSocket::Connect(GSocketStream stream) /* Streamed or dgram socket? */ m_stream = (stream == GSOCK_STREAMED); - m_server = FALSE; - m_establishing = FALSE; + m_server = false; + m_establishing = false; /* Create the socket */ m_fd = socket(m_peer->m_realfamily, @@ -555,6 +593,18 @@ GSocketError GSocket::Connect(GSocketStream stream) ioctlsocket(m_fd, FIONBIO, (u_long FAR *) &arg); gs_gui_functions->Enable_Events(this); + // If the reuse flag is set, use the applicable socket reuse flag + if (m_reusable) + { + setsockopt(m_fd, SOL_SOCKET, SO_REUSEADDR, (const char*)&arg, sizeof(u_long)); + } + + // If a local address has been set, then we need to bind to it before calling connect + if (m_local && m_local->m_addr) + { + bind(m_fd, m_local->m_addr, m_local->m_len); + } + /* Connect it to the peer address, with a timeout (see below) */ ret = connect(m_fd, m_peer->m_addr, m_peer->m_len); @@ -588,7 +638,7 @@ GSocketError GSocket::Connect(GSocketStream stream) */ if ((err == WSAEWOULDBLOCK) && (m_non_blocking)) { - m_establishing = TRUE; + m_establishing = true; m_error = GSOCK_WOULDBLOCK; return GSOCK_WOULDBLOCK; } @@ -636,8 +686,8 @@ GSocketError GSocket::SetNonOriented() } /* Initialize all fields */ - m_stream = FALSE; - m_server = FALSE; + m_stream = false; + m_server = false; /* Create the socket */ m_fd = socket(m_local->m_realfamily, SOCK_DGRAM, 0); @@ -657,7 +707,7 @@ GSocketError GSocket::SetNonOriented() if ((bind(m_fd, m_local->m_addr, m_local->m_len) != 0) || (getsockname(m_fd, m_local->m_addr, - (SOCKLEN_T *)&m_local->m_len) != 0)) + (WX_SOCKLEN_T *)&m_local->m_len) != 0)) { Close(); m_error = GSOCK_IOERR; @@ -687,7 +737,10 @@ int GSocket::Read(char *buffer, int size) /* If the socket is blocking, wait for data (with a timeout) */ if (Input_Timeout() == GSOCK_TIMEDOUT) + { + m_error = GSOCK_TIMEDOUT; return -1; + } /* Read the data */ if (m_stream) @@ -782,7 +835,7 @@ GSocketEventFlags GSocket::Select(GSocketEventFlags flags) */ if ((m_detected & GSOCK_LOST_FLAG) != 0) { - m_establishing = FALSE; + m_establishing = false; return (GSOCK_LOST_FLAG & flags); } @@ -795,30 +848,28 @@ GSocketEventFlags GSocket::Select(GSocketEventFlags flags) return (result & flags); } - /* Check for readability */ - if (FD_ISSET(m_fd, &readfds)) + /* Check for exceptions and errors */ + if (FD_ISSET(m_fd, &exceptfds)) { - char c; + m_establishing = false; + m_detected = GSOCK_LOST_FLAG; - if (!m_stream || recv(m_fd, &c, 1, MSG_PEEK) > 0) - { - result |= GSOCK_INPUT_FLAG; - } - else - { - if (m_server && m_stream) - { - result |= GSOCK_CONNECTION_FLAG; - m_detected |= GSOCK_CONNECTION_FLAG; - } - else - { - m_detected = GSOCK_LOST_FLAG; - m_establishing = FALSE; + /* LOST event: Abort any further processing */ + return (GSOCK_LOST_FLAG & flags); + } - /* LOST event: Abort any further processing */ - return (GSOCK_LOST_FLAG & flags); - } + /* Check for readability */ + if (FD_ISSET(m_fd, &readfds)) + { + result |= GSOCK_INPUT_FLAG; + + if (m_server && m_stream) + { + /* This is a TCP server socket that detected a connection. + While the INPUT_FLAG is also set, it doesn't matter on + this kind of sockets, as we can only Accept() from them. */ + result |= GSOCK_CONNECTION_FLAG; + m_detected |= GSOCK_CONNECTION_FLAG; } } @@ -828,9 +879,9 @@ GSocketEventFlags GSocket::Select(GSocketEventFlags flags) if (m_establishing && !m_server) { int error; - SOCKLEN_T len = sizeof(error); + WX_SOCKLEN_T len = sizeof(error); - m_establishing = FALSE; + m_establishing = false; getsockopt(m_fd, SOL_SOCKET, SO_ERROR, (char*)&error, &len); @@ -853,16 +904,6 @@ GSocketEventFlags GSocket::Select(GSocketEventFlags flags) } } - /* Check for exceptions and errors (is this useful in Unices?) */ - if (FD_ISSET(m_fd, &exceptfds)) - { - m_establishing = FALSE; - m_detected = GSOCK_LOST_FLAG; - - /* LOST event: Abort any further processing */ - return (GSOCK_LOST_FLAG & flags); - } - return (result & flags); } else /* USE_GUI() */ @@ -898,11 +939,11 @@ void GSocket::SetTimeout(unsigned long millis) } /* GSocket_GetError: - * Returns the last error occured for this socket. Note that successful + * Returns the last error occurred 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() +GSocketError WXDLLIMPEXP_NET GSocket::GetError() { assert(this); @@ -923,7 +964,7 @@ GSocketError GSocket::GetError() * 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 + * Connection successfully 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: @@ -1075,7 +1116,7 @@ int GSocket::Recv_Stream(char *buffer, int size) int GSocket::Recv_Dgram(char *buffer, int size) { struct sockaddr from; - SOCKLEN_T fromlen = sizeof(from); + WX_SOCKLEN_T fromlen = sizeof(from); int ret; GSocketError err; @@ -1381,7 +1422,7 @@ GSocketError GAddress_INET_SetHostAddress(GAddress *address, CHECK_ADDRESS(address, INET); addr = &(((struct sockaddr_in *)address->m_addr)->sin_addr); - addr->s_addr = htonl(hostaddr);; + addr->s_addr = htonl(hostaddr); return GSOCK_NOERROR; } @@ -1497,24 +1538,15 @@ GSocketError _GAddress_Init_UNIX(GAddress *address) return GSOCK_INVADDR; } -GSocketError GAddress_UNIX_SetPath(GAddress *address, const char *path) +GSocketError GAddress_UNIX_SetPath(GAddress *address, const char *WXUNUSED(path)) { -#if defined(__BORLANDC__) - /* prevents unused variable message in Borland */ - (void)path; -#endif assert (address != NULL); address->m_error = GSOCK_INVADDR; return GSOCK_INVADDR; } -GSocketError GAddress_UNIX_GetPath(GAddress *address, char *path, size_t sbuf) +GSocketError GAddress_UNIX_GetPath(GAddress *address, char *WXUNUSED(path), size_t WXUNUSED(sbuf)) { -#if defined(__BORLANDC__) - /* prevents unused variable message in Borland */ - (void)path; - (void)sbuf; -#endif assert (address != NULL); address->m_error = GSOCK_INVADDR; return GSOCK_INVADDR; @@ -1529,4 +1561,3 @@ GSocketError GAddress_UNIX_GetPath(GAddress *address, char *path, size_t sbuf) typedef void (*wxDummy)(); #endif /* wxUSE_SOCKETS || defined(__GSOCKET_STANDALONE__) */ -