+ // Public interface
+ // ----------------
+
+ // ctors and dtors
+ wxSocketBase();
+ wxSocketBase(wxSocketFlags flags, wxSocketType type);
+ virtual ~wxSocketBase();
+ void Init();
+ bool Destroy();
+
+ // state
+ bool Ok() const { return IsOk(); }
+ bool IsOk() const { return m_impl != NULL; }
+ bool Error() const { return LastError() != wxSOCKET_NOERROR; }
+ bool IsClosed() const { return m_closed; }
+ bool IsConnected() const { return m_connected; }
+ bool IsData() { return WaitForRead(0, 0); }
+ bool IsDisconnected() const { return !IsConnected(); }
+ wxUint32 LastCount() const { return m_lcount; }
+ wxSocketError LastError() const;
+ void SaveState();
+ void RestoreState();
+
+ // addresses
+ virtual bool GetLocal(wxSockAddress& addr_man) const;
+ virtual bool GetPeer(wxSockAddress& addr_man) const;
+ virtual bool SetLocal(const wxIPV4address& local);
+
+ // base IO
+ virtual bool Close();
+ void ShutdownOutput();
+ 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);
+
+ // all Wait() functions wait until their condition is satisfied or the
+ // timeout expires; if seconds == -1 (default) then m_timeout value is used
+ //
+ // it is also possible to call InterruptWait() to cancel any current Wait()
+
+ // wait for anything at all to happen with this socket
+ bool Wait(long seconds = -1, long milliseconds = 0);
+
+ // wait until we can read from or write to the socket without blocking
+ // (notice that this does not mean that the operation will succeed but only
+ // that it will return immediately)
+ bool WaitForRead(long seconds = -1, long milliseconds = 0);
+ bool WaitForWrite(long seconds = -1, long milliseconds = 0);
+
+ // wait until the connection is terminated
+ bool WaitForLost(long seconds = -1, long milliseconds = 0);
+
+ void InterruptWait() { m_interrupt = true; }
+
+
+ wxSocketFlags GetFlags() const { return m_flags; }
+ void SetFlags(wxSocketFlags flags);
+ virtual void SetTimeout(long seconds);
+ long GetTimeout() const { return m_timeout; }
+
+ bool GetOption(int level, int optname, void *optval, int *optlen);
+ bool SetOption(int level, int optname, const void *optval, int optlen);
+ wxUint32 GetLastIOSize() const { return m_lcount; }
+
+ // event handling
+ void *GetClientData() const { return m_clientData; }
+ void SetClientData(void *data) { m_clientData = data; }
+ void SetEventHandler(wxEvtHandler& handler, int id = wxID_ANY);
+ void SetNotify(wxSocketEventFlags flags);
+ void Notify(bool notify);
+
+ // initialize/shutdown the sockets (done automatically so there is no need
+ // to call these functions usually)
+ //
+ // should always be called from the main thread only so one of the cases
+ // where they should indeed be called explicitly is when the first wxSocket
+ // object in the application is created in a different thread
+ static bool Initialize();
+ static void Shutdown();
+
+ // check if wxSocket had been already initialized
+ //
+ // notice that this function should be only called from the main thread as
+ // otherwise it is inherently unsafe because Initialize/Shutdown() may be
+ // called concurrently with it in the main thread
+ static bool IsInitialized();
+
+ // Implementation from now on
+ // --------------------------
+
+ // do not use, should be private (called from wxSocketImpl only)
+ void OnRequest(wxSocketNotify notify);
+
+ // do not use, not documented nor supported
+ bool IsNoWait() const { return ((m_flags & wxSOCKET_NOWAIT) != 0); }
+ wxSocketType GetType() const { return m_type; }
+
+private:
+ friend class wxSocketClient;
+ friend class wxSocketServer;
+ friend class wxDatagramSocket;
+
+ // low level IO
+ wxUint32 DoRead(void* buffer, wxUint32 nbytes);
+ wxUint32 DoWrite(const void *buffer, wxUint32 nbytes);
+
+ // wait until the given flags are set for this socket or the given timeout
+ // (or m_timeout) expires
+ //
+ // notice that wxSOCKET_LOST_FLAG is always taken into account and the
+ // function returns -1 if the connection was lost; otherwise it returns
+ // true if any of the events specified by flags argument happened or false
+ // if the timeout expired
+ int DoWait(long timeout, wxSocketEventFlags flags);
+
+ // a helper calling DoWait() using the same convention as the public
+ // WaitForXXX() functions use, i.e. use our timeout if seconds == -1 or the
+ // specified timeout otherwise
+ int DoWait(long seconds, long milliseconds, wxSocketEventFlags flags);
+
+ // another helper calling DoWait() using our m_timeout
+ int DoWaitWithTimeout(wxSocketEventFlags flags)
+ {
+ return DoWait(m_timeout*1000, flags);
+ }
+
+ // pushback buffer
+ void Pushback(const void *buffer, wxUint32 size);
+ wxUint32 GetPushback(void *buffer, wxUint32 size, bool peek);
+
+ // store the given error as the LastError()
+ void SetError(wxSocketError error);
+
+private:
+ // socket
+ wxSocketImpl *m_impl; // port-specific implementation
+ 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_closed; // was the other end closed?
+ wxUint32 m_lcount; // last IO transaction size
+ unsigned long m_timeout; // IO timeout value in seconds
+ // (TODO: remove, wxSocketImpl has it too)
+ wxList m_states; // stack of states (TODO: remove!)
+ bool m_interrupt; // interrupt ongoing wait operations?
+ bool m_beingDeleted; // marked for delayed deletion?
+ wxIPV4address m_localAddress; // bind to local address?
+
+ // 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?
+ wxSocketEventFlags m_eventsgot; // collects events received in OnRequest()
+
+
+ friend class wxSocketReadGuard;
+ friend class wxSocketWriteGuard;
+
+ wxDECLARE_NO_COPY_CLASS(wxSocketBase);
+ DECLARE_CLASS(wxSocketBase)
+};
projects / wxWidgets.git / blobdiff