X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/b082b52407e8132d04821bfaa31eb6a9a870b054..907173e51df6d2a91d65463ddf6ce810d3fd921a:/src/unix/gsocket.cpp?ds=inline diff --git a/src/unix/gsocket.cpp b/src/unix/gsocket.cpp index 0a73055c7b..f857c3c176 100644 --- a/src/unix/gsocket.cpp +++ b/src/unix/gsocket.cpp @@ -10,11 +10,13 @@ * ------------------------------------------------------------------------- */ -#include "wx/wxprec.h" -#ifndef WX_PRECOMP - #include "wx/app.h" - #include "wx/apptrait.h" -#endif //ndef WX_PRECOMP +/* + * 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 @@ -85,6 +87,10 @@ int _System bsdselect(int, int _System soclose(int); # endif #endif +#ifdef __EMX__ +#include +#endif + #include #include #include @@ -111,6 +117,12 @@ int _System soclose(int); # endif #endif +#else + /* undefine for OSX - its really an int */ +# ifdef __DARWIN__ +# undef SOCKLEN_T +# define SOCKLEN_T int +# endif #endif /* SOCKLEN_T */ /* @@ -159,82 +171,73 @@ int _System soclose(int); # define GSocket_Debug(args) #endif /* __GSOCKET_DEBUG__ */ -/////////////////////////////////////////////////////////////////////////// -// GSocketBSDGUIShim -struct GSocketGUIFunctionsTable *GSocketBSDGUIShim::ms_gui_functions = NULL; - -void GSocket_SetGUIFunctions(struct GSocketGUIFunctionsTable *guifunc) -{ - GSocketBSDGUIShim::ms_gui_functions = guifunc; -} +/* Table of GUI-related functions. We must call them indirectly because + * of wxBase and GUI separation: */ -inline bool GSocketBSDGUIShim::UseGUI() -{ - return ms_gui_functions; -} +static GSocketGUIFunctionsTable *gs_gui_functions; -inline bool GSocketBSDGUIShim::GUI_Init() +class GSocketGUIFunctionsTableNull: public GSocketGUIFunctionsTable { - return (ms_gui_functions)?ms_gui_functions->GUI_Init():true; -} - -inline void GSocketBSDGUIShim::GUI_Cleanup() -{ - if (ms_gui_functions) ms_gui_functions->GUI_Cleanup(); -} - -GSocketBSDGUIShim::GSocketBSDGUIShim() -{ - m_ok = (ms_gui_functions ? ms_gui_functions->GUI_Init_Socket(this) : true); -} - -GSocketBSDGUIShim::~GSocketBSDGUIShim() -{ - if (ms_gui_functions) ms_gui_functions->GUI_Destroy_Socket(this); -} - -void GSocketBSDGUIShim::EventLoop_Enable_Events() -{ - if (ms_gui_functions) ms_gui_functions->Enable_Events(this); -} - -void GSocketBSDGUIShim::EventLoop_Disable_Events() -{ - if (ms_gui_functions) ms_gui_functions->Disable_Events(this); -} +public: + virtual bool OnInit(); + virtual void OnExit(); + virtual bool CanUseEventLoop(); + virtual bool Init_Socket(GSocket *socket); + virtual void Destroy_Socket(GSocket *socket); + virtual void Install_Callback(GSocket *socket, GSocketEvent event); + virtual void Uninstall_Callback(GSocket *socket, GSocketEvent event); + virtual void Enable_Events(GSocket *socket); + virtual void Disable_Events(GSocket *socket); +}; -void GSocketBSDGUIShim::EventLoop_Install_Callback(GSocketEvent event) -{ - if (ms_gui_functions) ms_gui_functions->Install_Callback(this, event); -} +bool GSocketGUIFunctionsTableNull::OnInit() +{ return true; } +void GSocketGUIFunctionsTableNull::OnExit() +{} +bool GSocketGUIFunctionsTableNull::CanUseEventLoop() +{ return false; } +bool GSocketGUIFunctionsTableNull::Init_Socket(GSocket *socket) +{ return true; } +void GSocketGUIFunctionsTableNull::Destroy_Socket(GSocket *socket) +{} +void GSocketGUIFunctionsTableNull::Install_Callback(GSocket *socket, GSocketEvent event) +{} +void GSocketGUIFunctionsTableNull::Uninstall_Callback(GSocket *socket, GSocketEvent event) +{} +void GSocketGUIFunctionsTableNull::Enable_Events(GSocket *socket) +{} +void GSocketGUIFunctionsTableNull::Disable_Events(GSocket *socket) +{} +/* Global initialisers */ -void GSocketBSDGUIShim::EventLoop_Uninstall_Callback(GSocketEvent event) +void GSocket_SetGUIFunctions(GSocketGUIFunctionsTable *guifunc) { - if (ms_gui_functions) ms_gui_functions->Uninstall_Callback(this, event); + gs_gui_functions = guifunc; } -/////////////////////////////////////////////////////////////////////////// -// GSocketBSD - -static struct GSocketBaseFunctionsTable gs_base_functions = -{ - GSocketBSD::_GSocket_Detected_Read, - GSocketBSD::_GSocket_Detected_Write -}; - -/* Global initialisers */ - int GSocket_Init(void) { - return GSocketBSDGUIShim::GUI_Init(); + if (!gs_gui_functions) + { + static GSocketGUIFunctionsTableNull table; + gs_gui_functions = &table; + } + if ( !gs_gui_functions->OnInit() ) + return 0; + return 1; } void GSocket_Cleanup(void) { - GSocketBSDGUIShim::GUI_Cleanup(); + if (gs_gui_functions) + { + gs_gui_functions->OnExit(); + } } -GSocketBSD::GSocketBSD() +/* Constructors / Destructors for GSocket */ + +GSocket::GSocket() { int i; @@ -247,31 +250,41 @@ GSocketBSD::GSocketBSD() m_local = NULL; m_peer = NULL; m_error = GSOCK_NOERROR; - m_server = FALSE; - m_stream = TRUE; + m_server = false; + m_stream = true; m_gui_dependent = NULL; - m_non_blocking = FALSE; + m_non_blocking = false; + m_reusable = false; m_timeout = 10*60*1000; /* 10 minutes * 60 sec * 1000 millisec */ - m_establishing = FALSE; - - m_functions = &gs_base_functions; + m_establishing = false; - m_ok = true; + assert(gs_gui_functions); + /* Per-socket GUI-specific initialization */ + m_ok = gs_gui_functions->Init_Socket(this); } -void GSocketBSD::Close() +void GSocket::Close() { - EventLoop_Disable_Events(); -// gsockosx.c calls CFSocketInvalidate which closes the socket for us + gs_gui_functions->Disable_Events(this); + /* gsockosx.c calls CFSocketInvalidate which closes the socket for us */ #if !(defined(__DARWIN__) && (defined(__WXMAC__) || defined(__WXCOCOA__))) close(m_fd); #endif m_fd = INVALID_SOCKET; } -GSocketBSD::~GSocketBSD() +GSocket::~GSocket() { + assert(this); + + /* Check that the socket is really shutdowned */ + if (m_fd != INVALID_SOCKET) + Shutdown(); + + /* Per-socket GUI-specific cleanup */ + gs_gui_functions->Destroy_Socket(this); + /* Destroy private addresses */ if (m_local) GAddress_destroy(m_local); @@ -284,7 +297,7 @@ GSocketBSD::~GSocketBSD() * Disallow further read/write operations on this socket, close * the fd and disable all callbacks. */ -void GSocketBSD::Shutdown() +void GSocket::Shutdown() { int evt; @@ -320,7 +333,7 @@ void GSocketBSD::Shutdown() * GSOCK_INVSOCK - the socket is not valid. * GSOCK_INVADDR - the address is not valid. */ -GSocketError GSocketBSD::SetLocal(GAddress *address) +GSocketError GSocket::SetLocal(GAddress *address) { assert(this); @@ -346,7 +359,7 @@ GSocketError GSocketBSD::SetLocal(GAddress *address) return GSOCK_NOERROR; } -GSocketError GSocketBSD::SetPeer(GAddress *address) +GSocketError GSocket::SetPeer(GAddress *address) { assert(this); @@ -365,7 +378,7 @@ GSocketError GSocketBSD::SetPeer(GAddress *address) return GSOCK_NOERROR; } -GAddress *GSocketBSD::GetLocal() +GAddress *GSocket::GetLocal() { GAddress *address; struct sockaddr addr; @@ -410,7 +423,7 @@ GAddress *GSocketBSD::GetLocal() return address; } -GAddress *GSocketBSD::GetPeer() +GAddress *GSocket::GetPeer() { assert(this); @@ -433,7 +446,7 @@ GAddress *GSocketBSD::GetPeer() * GSOCK_INVADDR - the local address has not been set. * GSOCK_IOERR - low-level error. */ -GSocketError GSocketBSD::SetServer() +GSocketError GSocket::SetServer() { int arg = 1; @@ -454,8 +467,8 @@ GSocketError GSocketBSD::SetServer() } /* Initialize all fields */ - m_stream = TRUE; - m_server = TRUE; + m_stream = true; + m_server = true; /* Create the socket */ m_fd = socket(m_local->m_realfamily, SOCK_STREAM, 0); @@ -470,12 +483,12 @@ GSocketError GSocketBSD::SetServer() #else ioctl(m_fd, FIONBIO, &arg); #endif - EventLoop_Enable_Events(); + gs_gui_functions->Enable_Events(this); /* allow a socket to re-bind if the socket is in the TIME_WAIT state after being previously closed. */ - if(m_reusable) + if (m_reusable) setsockopt(m_fd, SOL_SOCKET, SO_REUSEADDR, (const char*)&arg, sizeof(u_long)); /* Bind to the local address, @@ -508,7 +521,7 @@ GSocketError GSocketBSD::SetServer() * GSOCK_MEMERR - couldn't allocate memory. * GSOCK_IOERR - low-level error. */ -GSocket *GSocketBSD::WaitConnection() +GSocket *GSocket::WaitConnection() { struct sockaddr from; SOCKLEN_T fromlen = sizeof(from); @@ -533,7 +546,6 @@ GSocket *GSocketBSD::WaitConnection() if (!connection) { - delete connection; m_error = GSOCK_MEMERR; return NULL; } @@ -560,8 +572,8 @@ GSocket *GSocketBSD::WaitConnection() } /* 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(); @@ -584,19 +596,19 @@ GSocket *GSocketBSD::WaitConnection() #else ioctl(connection->m_fd, FIONBIO, &arg); #endif - connection->EventLoop_Enable_Events(); + gs_gui_functions->Enable_Events(connection); return connection; } -int GSocketBSD::SetReusable() +bool GSocket::SetReusable() { /* socket must not be null, and must not be in use/already bound */ - if (NULL != this && m_fd == INVALID_SOCKET) { - m_reusable = TRUE; - return TRUE; + if (this && m_fd == INVALID_SOCKET) { + m_reusable = true; + return true; } - return FALSE; + return false; } /* Client specific parts */ @@ -624,7 +636,7 @@ int GSocketBSD::SetReusable() * GSOCK_MEMERR - couldn't allocate memory. * GSOCK_IOERR - low-level error. */ -GSocketError GSocketBSD::Connect(GSocketStream stream) +GSocketError GSocket::Connect(GSocketStream stream) { int err, ret; int arg = 1; @@ -648,8 +660,8 @@ GSocketError GSocketBSD::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, @@ -665,7 +677,7 @@ GSocketError GSocketBSD::Connect(GSocketStream stream) #else ioctl(m_fd, FIONBIO, &arg); #endif - EventLoop_Enable_Events(); + gs_gui_functions->Enable_Events(this); /* Connect it to the peer address, with a timeout (see below) */ ret = connect(m_fd, m_peer->m_addr, m_peer->m_len); @@ -707,7 +719,7 @@ GSocketError GSocketBSD::Connect(GSocketStream stream) */ if ((err == EINPROGRESS) && (m_non_blocking)) { - m_establishing = TRUE; + m_establishing = true; m_error = GSOCK_WOULDBLOCK; return GSOCK_WOULDBLOCK; } @@ -736,7 +748,7 @@ GSocketError GSocketBSD::Connect(GSocketStream stream) * GSOCK_INVADDR - the local address has not been set. * GSOCK_IOERR - low-level error. */ -GSocketError GSocketBSD::SetNonOriented() +GSocketError GSocket::SetNonOriented() { int arg = 1; @@ -755,8 +767,8 @@ GSocketError GSocketBSD::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); @@ -771,7 +783,7 @@ GSocketError GSocketBSD::SetNonOriented() #else ioctl(m_fd, FIONBIO, &arg); #endif - EventLoop_Enable_Events(); + gs_gui_functions->Enable_Events(this); /* Bind to the local address, * and retrieve the actual address bound. @@ -792,7 +804,7 @@ GSocketError GSocketBSD::SetNonOriented() /* Generic IO */ /* Like recv(), send(), ... */ -int GSocketBSD::Read(char *buffer, int size) +int GSocket::Read(char *buffer, int size) { int ret; @@ -833,7 +845,7 @@ int GSocketBSD::Read(char *buffer, int size) return ret; } -int GSocketBSD::Write(const char *buffer, int size) +int GSocket::Write(const char *buffer, int size) { int ret; @@ -897,9 +909,9 @@ int GSocketBSD::Write(const char *buffer, int size) * performed. This function won't block, regardless of the * mode (blocking | nonblocking) of the socket. */ -GSocketEventFlags GSocketBSD::Select(GSocketEventFlags flags) +GSocketEventFlags GSocket::Select(GSocketEventFlags flags) { - if (!GSocketBSDGUIShim::UseGUI()) + if (!gs_gui_functions->CanUseEventLoop()) { GSocketEventFlags result = 0; @@ -912,7 +924,7 @@ GSocketEventFlags GSocketBSD::Select(GSocketEventFlags flags) /* Do not use a static struct, Linux can garble it */ tv.tv_sec = m_timeout / 1000; - tv.tv_usec = (m_timeout % 1000) / 1000; + tv.tv_usec = (m_timeout % 1000) * 1000; FD_ZERO(&readfds); FD_ZERO(&writefds); @@ -930,7 +942,7 @@ GSocketEventFlags GSocketBSD::Select(GSocketEventFlags flags) */ if ((m_detected & GSOCK_LOST_FLAG) != 0) { - m_establishing = FALSE; + m_establishing = false; return (GSOCK_LOST_FLAG & flags); } @@ -961,7 +973,7 @@ GSocketEventFlags GSocketBSD::Select(GSocketEventFlags flags) else { m_detected = GSOCK_LOST_FLAG; - m_establishing = FALSE; + m_establishing = false; /* LOST event: Abort any further processing */ return (GSOCK_LOST_FLAG & flags); @@ -977,7 +989,7 @@ GSocketEventFlags GSocketBSD::Select(GSocketEventFlags flags) int error; SOCKLEN_T len = sizeof(error); - m_establishing = FALSE; + m_establishing = false; getsockopt(m_fd, SOL_SOCKET, SO_ERROR, (void*)&error, &len); @@ -1003,7 +1015,7 @@ GSocketEventFlags GSocketBSD::Select(GSocketEventFlags flags) /* Check for exceptions and errors (is this useful in Unices?) */ if (FD_ISSET(m_fd, &exceptfds)) { - m_establishing = FALSE; + m_establishing = false; m_detected = GSOCK_LOST_FLAG; /* LOST event: Abort any further processing */ @@ -1028,7 +1040,7 @@ GSocketEventFlags GSocketBSD::Select(GSocketEventFlags flags) * Sets the socket to non-blocking mode. All IO calls will return * immediately. */ -void GSocketBSD::SetNonBlocking(int non_block) +void GSocket::SetNonBlocking(bool non_block) { assert(this); @@ -1041,7 +1053,7 @@ void GSocketBSD::SetNonBlocking(int non_block) * Sets the timeout for blocking calls. Time is expressed in * milliseconds. */ -void GSocketBSD::SetTimeout(unsigned long millisec) +void GSocket::SetTimeout(unsigned long millisec) { assert(this); @@ -1053,7 +1065,7 @@ void GSocketBSD::SetTimeout(unsigned long millisec) * operations do not clear this back to GSOCK_NOERROR, so use it only * after an error. */ -GSocketError GSocketBSD::GetError() +GSocketError WXDLLIMPEXP_NET GSocket::GetError() { assert(this); @@ -1090,7 +1102,7 @@ GSocketError GSocketBSD::GetError() * * void function(GSocket *socket, GSocketEvent event, char *cdata) */ -void GSocketBSD::SetCallback(GSocketEventFlags flags, +void GSocket::SetCallback(GSocketEventFlags flags, GSocketCallback callback, char *cdata) { int count; @@ -1111,7 +1123,7 @@ void GSocketBSD::SetCallback(GSocketEventFlags flags, * Disables all callbacks specified by 'flags', which may be a * combination of flags OR'ed toghether. */ -void GSocketBSD::UnsetCallback(GSocketEventFlags flags) +void GSocket::UnsetCallback(GSocketEventFlags flags) { int count; @@ -1127,18 +1139,17 @@ void GSocketBSD::UnsetCallback(GSocketEventFlags flags) } } - -GSocketError GSocketBSD::GetSockOpt(int level, int optname, +GSocketError GSocket::GetSockOpt(int level, int optname, void *optval, int *optlen) { - if (getsockopt(m_fd, level, optname, optval, optlen) == 0) + if (getsockopt(m_fd, level, optname, optval, (SOCKLEN_T*)optlen) == 0) { return GSOCK_NOERROR; } return GSOCK_OPTERR; } -GSocketError GSocketBSD::SetSockOpt(int level, int optname, +GSocketError GSocket::SetSockOpt(int level, int optname, const void *optval, int optlen) { if (setsockopt(m_fd, level, optname, optval, optlen) == 0) @@ -1148,30 +1159,30 @@ GSocketError GSocketBSD::SetSockOpt(int level, int optname, return GSOCK_OPTERR; } -#define CALL_CALLBACK(event) { \ - Disable(event); \ - if (m_cbacks[event]) \ - m_cbacks[event](this, event, m_data[event]); \ +#define CALL_CALLBACK(socket, event) { \ + socket->Disable(event); \ + if (socket->m_cbacks[event]) \ + socket->m_cbacks[event](socket, event, socket->m_data[event]); \ } -void GSocketBSD::Enable(GSocketEvent event) +void GSocket::Enable(GSocketEvent event) { m_detected &= ~(1 << event); - EventLoop_Install_Callback(event); + gs_gui_functions->Install_Callback(this, event); } -void GSocketBSD::Disable(GSocketEvent event) +void GSocket::Disable(GSocketEvent event) { m_detected |= (1 << event); - EventLoop_Uninstall_Callback(event); + gs_gui_functions->Uninstall_Callback(this, event); } /* _GSocket_Input_Timeout: * For blocking sockets, wait until data is available or * until timeout ellapses. */ -GSocketError GSocketBSD::Input_Timeout() +GSocketError GSocket::Input_Timeout() { struct timeval tv; fd_set readfds; @@ -1210,7 +1221,7 @@ GSocketError GSocketBSD::Input_Timeout() * For blocking sockets, wait until data can be sent without * blocking or until timeout ellapses. */ -GSocketError GSocketBSD::Output_Timeout() +GSocketError GSocket::Output_Timeout() { struct timeval tv; fd_set writefds; @@ -1258,12 +1269,12 @@ GSocketError GSocketBSD::Output_Timeout() return GSOCK_NOERROR; } -int GSocketBSD::Recv_Stream(char *buffer, int size) +int GSocket::Recv_Stream(char *buffer, int size) { return recv(m_fd, buffer, size, 0); } -int GSocketBSD::Recv_Dgram(char *buffer, int size) +int GSocket::Recv_Dgram(char *buffer, int size) { struct sockaddr from; SOCKLEN_T fromlen = sizeof(from); @@ -1299,7 +1310,7 @@ int GSocketBSD::Recv_Dgram(char *buffer, int size) return ret; } -int GSocketBSD::Send_Stream(const char *buffer, int size) +int GSocket::Send_Stream(const char *buffer, int size) { int ret; @@ -1314,7 +1325,7 @@ int GSocketBSD::Send_Stream(const char *buffer, int size) return ret; } -int GSocketBSD::Send_Dgram(const char *buffer, int size) +int GSocket::Send_Dgram(const char *buffer, int size) { struct sockaddr *addr; int len, ret; @@ -1347,7 +1358,7 @@ int GSocketBSD::Send_Dgram(const char *buffer, int size) return ret; } -void GSocketBSD::Detected_Read() +void GSocket::Detected_Read() { char c; @@ -1356,41 +1367,41 @@ void GSocketBSD::Detected_Read() */ if ((m_detected & GSOCK_LOST_FLAG) != 0) { - m_establishing = FALSE; + m_establishing = false; - CALL_CALLBACK(GSOCK_LOST); + CALL_CALLBACK(this, GSOCK_LOST); Shutdown(); return; } if (recv(m_fd, &c, 1, MSG_PEEK) > 0) { - CALL_CALLBACK(GSOCK_INPUT); + CALL_CALLBACK(this, GSOCK_INPUT); } else { if (m_server && m_stream) { - CALL_CALLBACK(GSOCK_CONNECTION); + CALL_CALLBACK(this, GSOCK_CONNECTION); } else { - CALL_CALLBACK(GSOCK_LOST); + CALL_CALLBACK(this, GSOCK_LOST); Shutdown(); } } } -void GSocketBSD::Detected_Write() +void GSocket::Detected_Write() { /* If we have already detected a LOST event, then don't try * to do any further processing. */ if ((m_detected & GSOCK_LOST_FLAG) != 0) { - m_establishing = FALSE; + m_establishing = false; - CALL_CALLBACK(GSOCK_LOST); + CALL_CALLBACK(this, GSOCK_LOST); Shutdown(); return; } @@ -1400,58 +1411,41 @@ void GSocketBSD::Detected_Write() int error; SOCKLEN_T len = sizeof(error); - m_establishing = FALSE; + m_establishing = false; getsockopt(m_fd, SOL_SOCKET, SO_ERROR, (void*)&error, &len); if (error) { - CALL_CALLBACK(GSOCK_LOST); + CALL_CALLBACK(this, GSOCK_LOST); Shutdown(); } else { - CALL_CALLBACK(GSOCK_CONNECTION); + CALL_CALLBACK(this, 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(GSOCK_OUTPUT); + CALL_CALLBACK(this, GSOCK_OUTPUT); } } else { - CALL_CALLBACK(GSOCK_OUTPUT); + CALL_CALLBACK(this, GSOCK_OUTPUT); } } /* Compatibility functions for GSocket */ GSocket *GSocket_new(void) { - GSocket *newsocket = new GSocketBSDGUIShim(); + GSocket *newsocket = new GSocket(); if(newsocket->IsOk()) return newsocket; delete newsocket; return NULL; } -void GSocket_destroy(GSocket *socket) -{ - assert(socket); - - /* Check that the socket is really shutdowned */ - if (socket->m_fd != INVALID_SOCKET) - socket->Shutdown(); - - delete socket; -} - -void GSocketBSD::_GSocket_Detected_Read(GSocket *socket) -{ socket->Detected_Read(); } - -void GSocketBSD::_GSocket_Detected_Write(GSocket *socket) -{ socket->Detected_Write(); } - /* * ------------------------------------------------------------------------- * GAddress @@ -1659,7 +1653,7 @@ GSocketError GAddress_INET_SetHostName(GAddress *address, const char *hostname) #else /* Use gethostbyname by default */ #ifndef __WXMAC__ - int val = 1; //VA doesn't like constants in conditional expressions at all + int val = 1; /* VA doesn't like constants in conditional expressions */ if (val) #endif {