X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/f4ada568223b79c8a5769cc351c36a8e2ccd7841..19e30148e18cc99296b26503c155e5cef59045f4:/include/wx/socket.h diff --git a/include/wx/socket.h b/include/wx/socket.h index a65b4683cd..7b540329f8 100644 --- a/include/wx/socket.h +++ b/include/wx/socket.h @@ -1,336 +1,374 @@ ///////////////////////////////////////////////////////////////////////////// // Name: socket.h // Purpose: Socket handling classes -// Author: Guilhem Lavaux +// Authors: Guilhem Lavaux, Guillermo Rodriguez Garcia // Modified by: // Created: April 1997 // RCS-ID: $Id$ // Copyright: (c) Guilhem Lavaux // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// + #ifndef _WX_NETWORK_SOCKET_H #define _WX_NETWORK_SOCKET_H #ifdef __GNUG__ -#pragma interface + #pragma interface "socket.h" #endif +#include "wx/defs.h" + +#if wxUSE_SOCKETS + // --------------------------------------------------------------------------- -// Windows(tm) specific +// wxSocket headers // --------------------------------------------------------------------------- -#if defined(__WINDOWS__) && defined(WXSOCK_INTERNAL) -#include -#include -struct wxSockInternal { - UINT my_msg; -}; +#ifdef WXPREC + #include "wx/wxprec.h" +#else + #include "wx/event.h" + #include "wx/string.h" +#endif + +#include "wx/sckaddr.h" +#include "wx/gsocket.h" + +// ------------------------------------------------------------------------ +// Types and constants +// ------------------------------------------------------------------------ -struct wxSockHandlerInternal { - HWND sockWin; - UINT firstAvailableMsg; +enum wxSocketNotify +{ + wxSOCKET_INPUT = GSOCK_INPUT, + wxSOCKET_OUTPUT = GSOCK_OUTPUT, + wxSOCKET_CONNECTION = GSOCK_CONNECTION, + wxSOCKET_LOST = GSOCK_LOST }; -#endif // defined(__WINDOWS__) && defined(WXSOCK_INTERNAL) -// --------------------------------------------------------------------------- -// Unix specific -// --------------------------------------------------------------------------- -#if defined(__UNIX__) && defined(WXSOCK_INTERNAL) -#include -#include -#include +enum +{ + wxSOCKET_INPUT_FLAG = GSOCK_INPUT_FLAG, + wxSOCKET_OUTPUT_FLAG = GSOCK_OUTPUT_FLAG, + wxSOCKET_CONNECTION_FLAG = GSOCK_CONNECTION_FLAG, + wxSOCKET_LOST_FLAG = GSOCK_LOST_FLAG +}; -// --------------------------------------------------------------------------- -// Athena specific -// --------------------------------------------------------------------------- -#if defined(__WXXT__) || defined(__WXMOTIF__) -#include +typedef GSocketEventFlags wxSocketEventFlags; -struct wxSockInternal { - XtInputId sock_inputid, sock_outputid, sock_exceptid; +enum wxSocketError +{ + // from GSocket + wxSOCKET_NOERROR = GSOCK_NOERROR, + wxSOCKET_INVOP = GSOCK_INVOP, + wxSOCKET_IOERR = GSOCK_IOERR, + wxSOCKET_INVADDR = GSOCK_INVADDR, + wxSOCKET_INVSOCK = GSOCK_INVSOCK, + wxSOCKET_NOHOST = GSOCK_NOHOST, + wxSOCKET_INVPORT = GSOCK_INVPORT, + wxSOCKET_WOULDBLOCK = GSOCK_WOULDBLOCK, + wxSOCKET_TIMEDOUT = GSOCK_TIMEDOUT, + wxSOCKET_MEMERR = GSOCK_MEMERR, + + // wxSocket-specific (not yet implemented) + wxSOCKET_DUMMY }; -#endif -// --------------------------------------------------------------------------- -// GTK specific -// --------------------------------------------------------------------------- -#if defined(__WXGTK__) -#include +enum +{ + wxSOCKET_NONE = 0, + wxSOCKET_NOWAIT = 1, + wxSOCKET_WAITALL = 2, + wxSOCKET_BLOCK = 4 +}; -struct wxSockInternal { - gint sock_inputid, sock_outputid, sock_exceptid; +enum wxSocketType +{ + wxSOCKET_UNINIT, + wxSOCKET_CLIENT, + wxSOCKET_SERVER, + wxSOCKET_BASE, + wxSOCKET_DATAGRAM }; -#endif -#endif // defined(__UNIX__) && defined(WXSOCK_INTERNAL) +typedef int wxSocketFlags; -// --------------------------------------------------------------------------- -// wxSocket headers (generic) -// --------------------------------------------------------------------------- -#ifdef WXPREC -#include -#else -#include -#endif -#include "wx/sckaddr.h" -class WXDLLEXPORT wxSocketEvent; -class WXDLLEXPORT wxSocketHandler; -class WXDLLEXPORT wxSocketBase : public wxEvtHandler +#if WXWIN_COMPATIBILITY + typedef wxSocketType wxSockType; + typedef wxSocketFlags wxSockFlags; +#endif // WXWIN_COMPATIBILITY + + +// -------------------------------------------------------------------------- +// wxSocketBase +// -------------------------------------------------------------------------- + +class WXDLLEXPORT wxSocketBase : public wxObject { DECLARE_CLASS(wxSocketBase) + public: - enum wxSockFlags { NONE=0, NOWAIT=1, WAITALL=2, SPEED=4 }; - // Type of request - enum { REQ_READ=0x1, REQ_PEEK=0x2, REQ_WRITE=0x4, REQ_LOST=0x8, - REQ_ACCEPT=0x10, REQ_CONNECT=0x20}; - enum { EVT_READ=0, EVT_PEEK=1, EVT_WRITE=2, EVT_LOST=3, EVT_ACCEPT=4, - EVT_CONNECT=5 }; - - typedef int wxRequestNotify; - typedef int wxRequestEvent; - typedef void (*wxSockCbk)(wxSocketBase& sock,wxRequestEvent evt,char *cdata); - -protected: - wxList req_list[EVT_WRITE+1]; - - // Internal use for SaveState() and RestoreState() - class wxSockState : public wxObject { - public: - bool cbk_on; - wxSockCbk cbk; - char *cdata; - bool notif; - wxRequestNotify cbk_set; - wxSockFlags flags; +#if WXWIN_COMPATIBILITY + enum + { + NONE = wxSOCKET_NONE, + NOWAIT = wxSOCKET_NOWAIT, + WAITALL = wxSOCKET_WAITALL, + SPEED = wxSOCKET_BLOCK + }; + + enum + { + SOCK_UNINIT = wxSOCKET_UNINIT, + SOCK_CLIENT = wxSOCKET_CLIENT, + SOCK_SERVER = wxSOCKET_SERVER, + SOCK_INTERNAL = wxSOCKET_BASE, + SOCK_DATAGRAM = wxSOCKET_DATAGRAM }; - typedef struct { - char sig[4]; - char len[4]; - } SockMsg; - enum wxSockType { SOCK_CLIENT, SOCK_SERVER, SOCK_INTERNAL, SOCK_UNINIT }; - - wxSockFlags m_flags; - wxSockType m_type; // wxSocket type - bool m_connected, m_connecting; // State of the socket - int m_fd; // Socket file descriptors - int m_waitflags; // Wait flags - wxList m_states; // States list - wxSockCbk m_cbk; // C callback - char *m_cdata; // C callback data - int m_id; // Socket id (for event handler) - wxSocketHandler *m_handler; // the current socket handler - wxRequestNotify m_neededreq; // Specify which requet signals we need - bool m_cbkon; - char *m_unread; // The unread buf - size_t m_unrd_size; // The size of the unread buf - bool m_processing; // To prevent some endless loop - unsigned long m_timeout; - int m_wantbuf; - size_t m_lcount; // Last IO request size - int m_error; // Last IO error - bool m_notifyme; - - struct wxSockInternal *m_internal; // System specific variables + + typedef void (*wxSockCbk)(wxSocketBase& sock, wxSocketNotify evt, char *cdata); +#endif // WXWIN_COMPATIBILITY public: + + // Public interface + // ---------------- + + // ctors and dtors wxSocketBase(); + wxSocketBase(wxSocketFlags flags, wxSocketType type); virtual ~wxSocketBase(); - virtual bool Close(); - - // Base IO - wxSocketBase& Peek(char* buffer, size_t nbytes); - wxSocketBase& Read(char* buffer, size_t nbytes); - wxSocketBase& Write(const char *buffer, size_t nbytes); - wxSocketBase& WriteMsg(const char *buffer, size_t nbytes); - wxSocketBase& ReadMsg(char* buffer, size_t nbytes); - wxSocketBase& Unread(const char *buffer, size_t nbytes); - void Discard(); - - // Try not to use this two methods (they sould be protected) - void CreatePushbackAfter(const char *buffer, size_t size); - void CreatePushbackBefore(const char *buffer, size_t size); - - // Status - inline bool Ok() const { return (m_fd < 0 ? 0 : 1); }; - inline bool Error() const { return (m_error != 0); }; + void Init(); + bool Destroy(); + + // state + inline bool Ok() const { return (m_socket != NULL); }; + inline bool Error() const { return m_error; }; inline bool IsConnected() const { return m_connected; }; + inline bool IsData() { return WaitForRead(0, 0); }; inline bool IsDisconnected() const { return !IsConnected(); }; - inline bool IsNoWait() const { return m_flags & NOWAIT; }; - bool IsData() const; - inline size_t LastCount() const { return m_lcount; } - inline int LastError() const { return m_error; } - - inline void SetFlags(wxSockFlags _flags); - inline void SetTimeout(unsigned long sec) { m_timeout = sec; } - - // seconds = -1 means infinite wait - // seconds = 0 means no wait - // seconds > 0 means specified wait - bool Wait(long seconds = -1, long microseconds = 0); - bool WaitForRead(long seconds = -1, long microseconds = 0); - bool WaitForWrite(long seconds = -1, long microseconds = 0); - bool WaitForLost(long seconds = -1, long microseconds = 0); - - // Save the current state of Socket + inline wxUint32 LastCount() const { return m_lcount; } + inline wxSocketError LastError() const { return (wxSocketError)GSocket_GetError(m_socket); } void SaveState(); void RestoreState(); - // Setup external callback - wxSockCbk Callback(wxSockCbk cbk_); - char *CallbackData(char *data); - - // Setup event handler - void SetEventHandler(wxEvtHandler& evt_hdlr, int id = -1); - - // Method called when it happens something on the socket - void SetNotify(wxRequestNotify flags); - virtual void OnRequest(wxRequestEvent req_evt); - - // Public internal callback - virtual void OldOnNotify(wxRequestEvent WXUNUSED(evt)); - - // Some info on the socket... - virtual bool GetPeer(wxSockAddress& addr_man) const; + // addresses virtual bool GetLocal(wxSockAddress& addr_man) const; + virtual bool GetPeer(wxSockAddress& addr_man) const; - // Install or uninstall callbacks + // base IO + virtual bool Close(); + wxSocketBase& Discard(); + wxSocketBase& Peek(void* buffer, wxUint32 nbytes); + wxSocketBase& Read(void* buffer, wxUint32 nbytes); + wxSocketBase& ReadMsg(void *buffer, wxUint32 nbytes); + wxSocketBase& Unread(const void *buffer, wxUint32 nbytes); + wxSocketBase& Write(const void *buffer, wxUint32 nbytes); + wxSocketBase& WriteMsg(const void *buffer, wxUint32 nbytes); + + void InterruptWait() { m_interrupt = TRUE; }; + bool Wait(long seconds = -1, long milliseconds = 0); + bool WaitForRead(long seconds = -1, long milliseconds = 0); + bool WaitForWrite(long seconds = -1, long milliseconds = 0); + bool WaitForLost(long seconds = -1, long milliseconds = 0); + + inline wxSocketFlags GetFlags() const { return m_flags; } + void SetFlags(wxSocketFlags flags); + void SetTimeout(long seconds); + + // event handling + void *GetClientData() const { return m_clientData; } + void SetClientData(void *data) { m_clientData = data; } + void SetEventHandler(wxEvtHandler& handler, int id = -1); + void SetNotify(wxSocketEventFlags flags); void Notify(bool notify); - // So you can know what the socket driver is looking for ... - inline wxRequestNotify NeededReq() const { return m_neededreq; } + // initialize/shutdown the sockets (usually called automatically) + static bool IsInitialized(); + static bool Initialize(); + static void Shutdown(); - static wxRequestNotify EventToNotify(wxRequestEvent evt); - -protected: - friend class wxSocketServer; - friend class wxSocketHandler; + // callbacks are deprecated, use events instead +#if WXWIN_COMPATIBILITY + wxSockCbk Callback(wxSockCbk cbk_); + char *CallbackData(char *data); +#endif // WXWIN_COMPATIBILITY - wxSocketBase(wxSockFlags flags, wxSockType type); - - bool _Wait(long seconds, long microseconds, int type); - - // Set "my" handler - inline virtual void SetHandler(wxSocketHandler *handler) - { m_handler = handler; } - // Activate or disactivate callback - void SetupCallbacks(); - void DestroyCallbacks(); + // Implementation from now on + // -------------------------- - // Pushback library - size_t GetPushback(char *buffer, size_t size, bool peek); + // do not use, should be private (called from GSocket) + void OnRequest(wxSocketNotify notify); - // To prevent many read or write on the same socket at the same time - // ==> cause strange things :-) - void WantSpeedBuffer(char *buffer, size_t size, wxRequestEvent req); - void WantBuffer(char *buffer, size_t size, wxRequestEvent req); + // do not use, not documented nor supported + inline bool IsNoWait() const { return ((m_flags & wxSOCKET_NOWAIT) != 0); } + inline wxSocketType GetType() const { return m_type; } - virtual bool DoRequests(wxRequestEvent req); +private: + friend class wxSocketClient; + friend class wxSocketServer; + friend class wxDatagramSocket; + + // low level IO + wxUint32 _Read(void* buffer, wxUint32 nbytes); + wxUint32 _Write(const void *buffer, wxUint32 nbytes); + bool _Wait(long seconds, long milliseconds, wxSocketEventFlags flags); + + // pushback buffer + void Pushback(const void *buffer, wxUint32 size); + wxUint32 GetPushback(void *buffer, wxUint32 size, bool peek); + +private: + // socket + GSocket *m_socket; // GSocket + wxSocketType m_type; // wxSocket type + + // state + wxSocketFlags m_flags; // wxSocket flags + bool m_connected; // connected? + bool m_establishing; // establishing connection? + bool m_reading; // busy reading? + bool m_writing; // busy writing? + bool m_error; // did last IO call fail? + wxSocketError m_lasterror; // last error (not cleared on success) + wxUint32 m_lcount; // last IO transaction size + unsigned long m_timeout; // IO timeout value + wxList m_states; // stack of states + bool m_interrupt; // interrupt ongoing wait operations? + bool m_beingDeleted; // marked for delayed deletion? + + // pushback buffer + void *m_unread; // pushback buffer + wxUint32 m_unrd_size; // pushback buffer size + wxUint32 m_unrd_cur; // pushback pointer (index into buffer) + + // events + int m_id; // socket id + wxEvtHandler *m_handler; // event handler + void *m_clientData; // client data for events + bool m_notify; // notify events to users? + wxSocketEventFlags m_eventmask; // which events to notify? + + // the initialization count, GSocket is initialized if > 0 + static size_t m_countInit; + + // callbacks are deprecated, use events instead +#if WXWIN_COMPATIBILITY + wxSockCbk m_cbk; // callback + char *m_cdata; // callback data +#endif // WXWIN_COMPATIBILITY }; -//////////////////////////////////////////////////////////////////////// + +// -------------------------------------------------------------------------- +// wxSocketServer +// -------------------------------------------------------------------------- class WXDLLEXPORT wxSocketServer : public wxSocketBase { DECLARE_CLASS(wxSocketServer) -public: - // 'service' can be a name or a port-number +public: + wxSocketServer(wxSockAddress& addr, wxSocketFlags flags = wxSOCKET_NONE); - wxSocketServer(wxSockAddress& addr_man, wxSockFlags flags = wxSocketBase::NONE); + wxSocketBase* Accept(bool wait = TRUE); + bool AcceptWith(wxSocketBase& socket, bool wait = TRUE); - wxSocketBase* Accept(); - bool AcceptWith(wxSocketBase& sock); - virtual void OnRequest(wxRequestEvent flags); + bool WaitForAccept(long seconds = -1, long milliseconds = 0); }; -//////////////////////////////////////////////////////////////////////// + +// -------------------------------------------------------------------------- +// wxSocketClient +// -------------------------------------------------------------------------- class WXDLLEXPORT wxSocketClient : public wxSocketBase { DECLARE_CLASS(wxSocketClient) -public: - wxSocketClient(wxSockFlags flags = wxSocketBase::NONE); +public: + wxSocketClient(wxSocketFlags flags = wxSOCKET_NONE); virtual ~wxSocketClient(); - virtual bool Connect(wxSockAddress& addr_man, bool wait = TRUE); - - bool WaitOnConnect(long seconds = -1); + virtual bool Connect(wxSockAddress& addr, bool wait = TRUE); - virtual void OnRequest(wxRequestEvent flags); + bool WaitOnConnect(long seconds = -1, long milliseconds = 0); }; -//////////////////////////////////////////////////////////////////////// -class WXDLLEXPORT wxSocketHandler : public wxObject +// -------------------------------------------------------------------------- +// wxDatagramSocket +// -------------------------------------------------------------------------- + +// WARNING: still in alpha stage + +class wxDatagramSocket : public wxSocketBase { - DECLARE_CLASS(wxSocketHandler) -protected: - static wxSocketHandler *master; -#if defined(__WINDOWS__) - wxList *smsg_list; - struct wxSockHandlerInternal *internal; -#endif - wxList *socks; + DECLARE_CLASS(wxDatagramSocket) public: - enum SockStatus { SOCK_NONE, SOCK_DATA, SOCK_CONNECT, SOCK_DISCONNECT, - SOCK_ERROR }; - - wxSocketHandler(); - virtual ~wxSocketHandler(); - - void Register(wxSocketBase* sock); - void UnRegister(wxSocketBase* sock); - - unsigned long Count() const; - - // seconds = -1 means indefinite wait - // seconds = 0 means no wait - // seconds > 0 means specified wait - - int Wait(long seconds = -1, long microseconds = 0); - void YieldSock(); - - wxSocketServer *CreateServer - (wxSockAddress& addr, - wxSocketBase::wxSockFlags flags = wxSocketBase::NONE); - wxSocketClient *CreateClient - (wxSocketBase::wxSockFlags flags = wxSocketBase::NONE); - - // Create or reuse a socket handler - static wxSocketHandler& Master() - { return *((master) ? (master) : (master = new wxSocketHandler())); } - -#if defined(WXSOCK_INTERNAL) && defined(__WINDOWS__) - - friend LRESULT APIENTRY _EXPORT wxSocketHandlerWndProc(HWND hWnd, - UINT message, WPARAM wParam, LPARAM lParam); - - UINT NewMessage(wxSocketBase *sock); - void DestroyMessage(UINT msg); - - HWND GetHWND() const; -#endif + wxDatagramSocket(wxSockAddress& addr, wxSocketFlags flags = wxSOCKET_NONE); + + wxDatagramSocket& RecvFrom( wxSockAddress& addr, + void* buf, + wxUint32 nBytes ); + wxDatagramSocket& SendTo( wxSockAddress& addr, + const void* buf, + wxUint32 nBytes ); + +/* TODO: + bool Connect(wxSockAddress& addr); +*/ }; -class WXDLLEXPORT wxSocketEvent : public wxEvent { - DECLARE_DYNAMIC_CLASS(wxSocketEvent) + +// -------------------------------------------------------------------------- +// wxSocketEvent +// -------------------------------------------------------------------------- + +class WXDLLEXPORT wxSocketEvent : public wxEvent +{ public: - wxSocketEvent(int id = 0); + wxSocketEvent(int id = 0) + : wxEvent(id, wxEVT_SOCKET) + { + } + + wxSocketNotify GetSocketEvent() const { return m_event; } + wxSocketBase *GetSocket() const { return (wxSocketBase *) GetEventObject(); } + void *GetClientData() const { return m_clientData; } + + // backwards compatibility +#if WXWIN_COMPATIBILITY_2 + wxSocketNotify SocketEvent() const { return m_event; } + wxSocketBase *Socket() const { return (wxSocketBase *) GetEventObject(); } +#endif // WXWIN_COMPATIBILITY_2 + + virtual wxEvent *Clone() const { return new wxSocketEvent(*this); } - wxSocketBase::wxRequestEvent SocketEvent() const { return m_skevt; } public: - wxSocketBase::wxRequestEvent m_skevt; + wxSocketNotify m_event; + void *m_clientData; + + DECLARE_DYNAMIC_CLASS(wxSocketEvent) }; + typedef void (wxEvtHandler::*wxSocketEventFunction)(wxSocketEvent&); -#define wxEVT_SOCKET wxEVT_FIRST+301 +#define EVT_SOCKET(id, func) \ + DECLARE_EVENT_TABLE_ENTRY( wxEVT_SOCKET, id, -1, \ + (wxObjectEventFunction) \ + (wxEventFunction) \ + (wxSocketEventFunction) & func, \ + (wxObject *) NULL ), -#define EVT_SOCKET(id, func) { wxEVT_SOCKET, id, 0, (wxObjectEventFunction) (wxEventFunction) (wxSocketEventFunction) & func }, #endif + // wxUSE_SOCKETS + +#endif + // _WX_NETWORK_SOCKET_H