X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/72ac4e888aff9b766216f96cc090b051a7f52188..f1430ac7663ee4dd0ca18ffd89d924da84c97d68:/include/wx/socket.h diff --git a/include/wx/socket.h b/include/wx/socket.h index 40a8ed35c1..165aa97890 100644 --- a/include/wx/socket.h +++ b/include/wx/socket.h @@ -110,14 +110,15 @@ public: bool Destroy(); // state - inline bool Ok() const { return IsOk(); } - inline bool IsOk() 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 wxUint32 LastCount() const { return m_lcount; } - inline wxSocketError LastError() const { return (wxSocketError)m_socket->GetError(); } + bool Ok() const { return IsOk(); } + bool IsOk() const { return (m_socket != NULL); } + bool Error() const { return m_error; } + 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 { return (wxSocketError)m_socket->GetError(); } void SaveState(); void RestoreState(); @@ -136,19 +137,33 @@ public: wxSocketBase& Write(const void *buffer, wxUint32 nbytes); wxSocketBase& WriteMsg(const void *buffer, wxUint32 nbytes); - void InterruptWait() { m_interrupt = true; } + // 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); - inline wxSocketFlags GetFlags() const { return m_flags; } + void InterruptWait() { m_interrupt = true; } + + + wxSocketFlags GetFlags() const { return m_flags; } void SetFlags(wxSocketFlags flags); void SetTimeout(long seconds); bool GetOption(int level, int optname, void *optval, int *optlen); bool SetOption(int level, int optname, const void *optval, int optlen); - inline wxUint32 GetLastIOSize() const { return m_lcount; } + wxUint32 GetLastIOSize() const { return m_lcount; } // event handling void *GetClientData() const { return m_clientData; } @@ -170,8 +185,8 @@ public: void OnRequest(wxSocketNotify notify); // do not use, not documented nor supported - inline bool IsNoWait() const { return ((m_flags & wxSOCKET_NOWAIT) != 0); } - inline wxSocketType GetType() const { return m_type; } + bool IsNoWait() const { return ((m_flags & wxSOCKET_NOWAIT) != 0); } + wxSocketType GetType() const { return m_type; } private: friend class wxSocketClient; @@ -179,9 +194,19 @@ private: 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); + 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 GSOCK_LOST_FLAG is always taken into account but the return + // value depends on whether it is included in flags or not: if it is, and the + // connection is indeed lost, true is returned, but if it isn't then the + // function returns false in this case + // + // false is always returned if we returned because of the timeout expiration + bool DoWait(long seconds, long milliseconds, wxSocketEventFlags flags); // pushback buffer void Pushback(const void *buffer, wxUint32 size); @@ -199,9 +224,10 @@ private: 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) + bool m_closed; // was the other end closed? + // (notice that m_error is also set then) wxUint32 m_lcount; // last IO transaction size - unsigned long m_timeout; // IO timeout value + unsigned long m_timeout; // IO timeout value in seconds wxList m_states; // stack of states bool m_interrupt; // interrupt ongoing wait operations? bool m_beingDeleted; // marked for delayed deletion?