#include "wx/event.h"
#include "wx/sckaddr.h"
-#include "wx/gsocket.h"
#include "wx/list.h"
+class wxSocketImpl;
+
// ------------------------------------------------------------------------
// Types and constants
// ------------------------------------------------------------------------
+// Types of different socket notifications or events.
+//
+// NB: the values here should be consecutive and start with 0 as they are
+// used to construct the wxSOCKET_XXX_FLAG bit mask values below
enum wxSocketNotify
{
- wxSOCKET_INPUT = GSOCK_INPUT,
- wxSOCKET_OUTPUT = GSOCK_OUTPUT,
- wxSOCKET_CONNECTION = GSOCK_CONNECTION,
- wxSOCKET_LOST = GSOCK_LOST
+ wxSOCKET_INPUT,
+ wxSOCKET_OUTPUT,
+ wxSOCKET_CONNECTION,
+ wxSOCKET_LOST,
+ wxSOCKET_MAX_EVENT
};
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
+ wxSOCKET_INPUT_FLAG = 1 << wxSOCKET_INPUT,
+ wxSOCKET_OUTPUT_FLAG = 1 << wxSOCKET_OUTPUT,
+ wxSOCKET_CONNECTION_FLAG = 1 << wxSOCKET_CONNECTION,
+ wxSOCKET_LOST_FLAG = 1 << wxSOCKET_LOST
};
-typedef GSocketEventFlags wxSocketEventFlags;
+// this is a combination of the bit masks defined above
+typedef int wxSocketEventFlags;
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
+ wxSOCKET_NOERROR = 0,
+ wxSOCKET_INVOP,
+ wxSOCKET_IOERR,
+ wxSOCKET_INVADDR,
+ wxSOCKET_INVSOCK,
+ wxSOCKET_NOHOST,
+ wxSOCKET_INVPORT,
+ wxSOCKET_WOULDBLOCK,
+ wxSOCKET_TIMEDOUT,
+ wxSOCKET_MEMERR,
+ wxSOCKET_OPTERR
};
+// socket options/flags bit masks
enum
{
- wxSOCKET_NONE = 0,
- wxSOCKET_NOWAIT = 1,
- wxSOCKET_WAITALL = 2,
- wxSOCKET_BLOCK = 4,
- wxSOCKET_REUSEADDR = 8,
- wxSOCKET_BROADCAST = 16,
- wxSOCKET_NOBIND = 32
+ wxSOCKET_NONE = 0,
+ wxSOCKET_NOWAIT = 1,
+ wxSOCKET_WAITALL = 2,
+ wxSOCKET_BLOCK = 4,
+ wxSOCKET_REUSEADDR = 8,
+ wxSOCKET_BROADCAST = 16,
+ wxSOCKET_NOBIND = 32
};
+typedef int wxSocketFlags;
+
+// socket kind values (badly defined, don't use)
enum wxSocketType
{
- wxSOCKET_UNINIT,
- wxSOCKET_CLIENT,
- wxSOCKET_SERVER,
- wxSOCKET_BASE,
- wxSOCKET_DATAGRAM
+ wxSOCKET_UNINIT,
+ wxSOCKET_CLIENT,
+ wxSOCKET_SERVER,
+ wxSOCKET_BASE,
+ wxSOCKET_DATAGRAM
};
-typedef int wxSocketFlags;
-
// --------------------------------------------------------------------------
// state
bool Ok() const { return IsOk(); }
- bool IsOk() const { return (m_socket != NULL); }
+ bool IsOk() const { return m_impl != 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(); }
+ wxSocketError LastError() const;
void SaveState();
void RestoreState();
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);
+ void InterruptWait() { m_interrupt = true; }
+
+
wxSocketFlags GetFlags() const { return m_flags; }
void SetFlags(wxSocketFlags flags);
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);
// Implementation from now on
// --------------------------
- // do not use, should be private (called from GSocket)
+ // do not use, should be private (called from wxSocketImpl only)
void OnRequest(wxSocketNotify notify);
// do not use, not documented nor supported
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 wxSOCKET_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);
private:
// socket
- GSocket *m_socket; // GSocket
+ wxSocketImpl *m_impl; // port-specific implementation
wxSocketType m_type; // wxSocket type
// state
bool m_reading; // busy reading?
bool m_writing; // busy writing?
bool m_error; // did last IO call fail?
+ 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?
projects / wxWidgets.git / blobdiff