class wxSocketState : public wxObject
{
public:
- wxSocketFlags m_flags;
- wxSocketEventFlags m_eventmask;
- bool m_notify;
- void *m_clientData;
+ wxSocketFlags m_flags;
+ wxSocketEventFlags m_eventmask;
+ bool m_notify;
+ void *m_clientData;
public:
- wxSocketState() : wxObject() {}
+ wxSocketState() : wxObject() {}
- DECLARE_NO_COPY_CLASS(wxSocketState)
+ DECLARE_NO_COPY_CLASS(wxSocketState)
};
// ============================================================================
void wxSocketBase::Init()
{
- m_socket = NULL;
- m_type = wxSOCKET_UNINIT;
-
- // state
- m_flags = 0;
- m_connected =
- m_establishing =
- m_reading =
- m_writing =
- m_error =
- m_closed = false;
- m_lcount = 0;
- m_timeout = 600;
- m_beingDeleted = false;
-
- // pushback buffer
- m_unread = NULL;
- m_unrd_size = 0;
- m_unrd_cur = 0;
-
- // events
- m_id = wxID_ANY;
- m_handler = NULL;
- m_clientData = NULL;
- m_notify = false;
- m_eventmask = 0;
-
- if ( !IsInitialized() )
- {
- // this Initialize() will be undone by wxSocketModule::OnExit(), all the
- // other calls to it should be matched by a call to Shutdown()
- Initialize();
- }
+ m_socket = NULL;
+ m_type = wxSOCKET_UNINIT;
+
+ // state
+ m_flags = 0;
+ m_connected =
+ m_establishing =
+ m_reading =
+ m_writing =
+ m_error =
+ m_closed = false;
+ m_lcount = 0;
+ m_timeout = 600;
+ m_beingDeleted = false;
+
+ // pushback buffer
+ m_unread = NULL;
+ m_unrd_size = 0;
+ m_unrd_cur = 0;
+
+ // events
+ m_id = wxID_ANY;
+ m_handler = NULL;
+ m_clientData = NULL;
+ m_notify = false;
+ m_eventmask = 0;
+
+ if ( !IsInitialized() )
+ {
+ // this Initialize() will be undone by wxSocketModule::OnExit(), all
+ // the other calls to it should be matched by a call to Shutdown()
+ Initialize();
+ }
}
wxSocketBase::wxSocketBase()
{
- Init();
+ Init();
}
wxSocketBase::wxSocketBase(wxSocketFlags flags, wxSocketType type)
{
- Init();
+ Init();
- m_flags = flags;
- m_type = type;
+ m_flags = flags;
+ m_type = type;
}
wxSocketBase::~wxSocketBase()
{
- // Just in case the app called Destroy() *and* then deleted
- // the socket immediately: don't leave dangling pointers.
- wxAppTraits *traits = wxTheApp ? wxTheApp->GetTraits() : NULL;
- if ( traits )
- traits->RemoveFromPendingDelete(this);
-
- // Shutdown and close the socket
- if (!m_beingDeleted)
- Close();
+ // Just in case the app called Destroy() *and* then deleted the socket
+ // immediately: don't leave dangling pointers.
+ wxAppTraits *traits = wxTheApp ? wxTheApp->GetTraits() : NULL;
+ if ( traits )
+ traits->RemoveFromPendingDelete(this);
- // Destroy the GSocket object
- if (m_socket)
- delete m_socket;
+ // Shutdown and close the socket
+ if (!m_beingDeleted)
+ Close();
- // Free the pushback buffer
- if (m_unread)
- free(m_unread);
+ // Destroy the GSocket object
+ if (m_socket)
+ delete m_socket;
+
+ // Free the pushback buffer
+ if (m_unread)
+ free(m_unread);
}
bool wxSocketBase::Destroy()
{
- // Delayed destruction: the socket will be deleted during the next
- // idle loop iteration. This ensures that all pending events have
- // been processed.
- m_beingDeleted = true;
-
- // Shutdown and close the socket
- Close();
-
- // Supress events from now on
- Notify(false);
-
- // schedule this object for deletion
- wxAppTraits *traits = wxTheApp ? wxTheApp->GetTraits() : NULL;
- if ( traits )
- {
- // let the traits object decide what to do with us
- traits->ScheduleForDestroy(this);
- }
- else // no app or no traits
- {
- // in wxBase we might have no app object at all, don't leak memory
- delete this;
- }
-
- return true;
+ // Delayed destruction: the socket will be deleted during the next idle
+ // loop iteration. This ensures that all pending events have been
+ // processed.
+ m_beingDeleted = true;
+
+ // Shutdown and close the socket
+ Close();
+
+ // Supress events from now on
+ Notify(false);
+
+ // schedule this object for deletion
+ wxAppTraits *traits = wxTheApp ? wxTheApp->GetTraits() : NULL;
+ if ( traits )
+ {
+ // let the traits object decide what to do with us
+ traits->ScheduleForDestroy(this);
+ }
+ else // no app or no traits
+ {
+ // in wxBase we might have no app object at all, don't leak memory
+ delete this;
+ }
+
+ return true;
}
// --------------------------------------------------------------------------
bool wxSocketBase::Close()
{
- // Interrupt pending waits
- InterruptWait();
-
- if (m_socket)
- {
- // Disable callbacks
- m_socket->UnsetCallback(GSOCK_INPUT_FLAG | GSOCK_OUTPUT_FLAG |
- GSOCK_LOST_FLAG | GSOCK_CONNECTION_FLAG);
-
- // Shutdown the connection
- m_socket->Shutdown();
- }
-
- m_connected = false;
- m_establishing = false;
- return true;
+ // Interrupt pending waits
+ InterruptWait();
+
+ if (m_socket)
+ {
+ // Disable callbacks
+ m_socket->UnsetCallback(
+ GSOCK_INPUT_FLAG |
+ GSOCK_OUTPUT_FLAG |
+ GSOCK_LOST_FLAG |
+ GSOCK_CONNECTION_FLAG
+ );
+
+ // Shutdown the connection
+ m_socket->Shutdown();
+ }
+
+ m_connected = false;
+ m_establishing = false;
+ return true;
}
wxSocketBase& wxSocketBase::Read(void* buffer, wxUint32 nbytes)
{
- // Mask read events
- m_reading = true;
+ // Mask read events
+ m_reading = true;
- m_lcount = _Read(buffer, nbytes);
+ m_lcount = _Read(buffer, nbytes);
- // If in wxSOCKET_WAITALL mode, all bytes should have been read.
- if (m_flags & wxSOCKET_WAITALL)
- m_error = (m_lcount != nbytes);
- else
- m_error = (m_lcount == 0);
+ // If in wxSOCKET_WAITALL mode, all bytes should have been read.
+ if (m_flags & wxSOCKET_WAITALL)
+ m_error = (m_lcount != nbytes);
+ else
+ m_error = (m_lcount == 0);
- // Allow read events from now on
- m_reading = false;
+ // Allow read events from now on
+ m_reading = false;
- return *this;
+ return *this;
}
wxUint32 wxSocketBase::_Read(void* buffer_, wxUint32 nbytes)
{
- char *buffer = (char *)buffer_;
+ char *buffer = (char *)buffer_;
+
+ int total;
+
+ // Try the pushback buffer first
+ total = GetPushback(buffer, nbytes, false);
+ nbytes -= total;
+ buffer = (char *)buffer + total;
+
+ // Return now in one of the following cases:
+ // - the socket is invalid,
+ // - we got all the data
+ if ( !m_socket ||
+ !nbytes )
+ return total;
+
+ // Possible combinations (they are checked in this order)
+ // wxSOCKET_NOWAIT
+ // wxSOCKET_WAITALL (with or without wxSOCKET_BLOCK)
+ // wxSOCKET_BLOCK
+ // wxSOCKET_NONE
+ //
+ int ret;
+ if (m_flags & wxSOCKET_NOWAIT)
+ {
+ m_socket->SetNonBlocking(1);
+ ret = m_socket->Read(buffer, nbytes);
+ m_socket->SetNonBlocking(0);
- int total;
+ if ( ret < 0 )
+ return 0;
- // Try the pushback buffer first
- total = GetPushback(buffer, nbytes, false);
- nbytes -= total;
- buffer = (char *)buffer + total;
+ total += ret;
+ }
+ else // blocking socket
+ {
+ for ( ;; )
+ {
+ // dispatch events unless disabled
+ if ( !(m_flags & wxSOCKET_BLOCK) && !WaitForRead() )
+ break;
+
+ ret = m_socket->Read(buffer, nbytes);
+ if ( ret == 0 )
+ {
+ // for connection-oriented (e.g. TCP) sockets we can only read
+ // 0 bytes if the other end has been closed, and for
+ // connectionless ones (UDP) this flag doesn't make sense
+ // anyhow so we can set it to true too without doing any harm
+ m_closed = true;
+ break;
+ }
+
+ if ( ret < 0 )
+ {
+ // this will be always interpreted as error by Read()
+ return 0;
+ }
+
+ total += ret;
+
+ // if wxSOCKET_WAITALL is not set, we can leave now as we did read
+ // something
+ if ( !(m_flags & wxSOCKET_WAITALL) )
+ break;
+
+ // otherwise check if read the maximal requested amount of data
+ nbytes -= ret;
+ if ( !nbytes )
+ break;
+
+ // we didn't, so continue reading
+ buffer = (char *)buffer + ret;
+ }
+ }
- // Return now in one of the following cases:
- // - the socket is invalid,
- // - we got all the data
- if ( !m_socket ||
- !nbytes )
return total;
+}
- // Possible combinations (they are checked in this order)
- // wxSOCKET_NOWAIT
- // wxSOCKET_WAITALL (with or without wxSOCKET_BLOCK)
- // wxSOCKET_BLOCK
- // wxSOCKET_NONE
- //
- int ret;
- if (m_flags & wxSOCKET_NOWAIT)
- {
- m_socket->SetNonBlocking(1);
- ret = m_socket->Read(buffer, nbytes);
- m_socket->SetNonBlocking(0);
-
- if ( ret < 0 )
- return 0;
+wxSocketBase& wxSocketBase::ReadMsg(void* buffer, wxUint32 nbytes)
+{
+ wxUint32 len, len2, sig, total;
+ bool error;
+ int old_flags;
+ struct
+ {
+ unsigned char sig[4];
+ unsigned char len[4];
+ } msg;
+
+ // Mask read events
+ m_reading = true;
+
+ total = 0;
+ error = true;
+ old_flags = m_flags;
+ SetFlags((m_flags & wxSOCKET_BLOCK) | wxSOCKET_WAITALL);
- total += ret;
- }
- else // blocking socket
- {
- for ( ;; )
+ if (_Read(&msg, sizeof(msg)) != sizeof(msg))
+ goto exit;
+
+ sig = (wxUint32)msg.sig[0];
+ sig |= (wxUint32)(msg.sig[1] << 8);
+ sig |= (wxUint32)(msg.sig[2] << 16);
+ sig |= (wxUint32)(msg.sig[3] << 24);
+
+ if (sig != 0xfeeddead)
{
- // dispatch events unless disabled
- if ( !(m_flags & wxSOCKET_BLOCK) && !WaitForRead() )
- break;
-
- ret = m_socket->Read(buffer, nbytes);
- if ( ret == 0 )
- {
- // for connection-oriented (e.g. TCP) sockets we can only read 0
- // bytes if the other end has been closed, and for connectionless
- // ones (UDP) this flag doesn't make sense anyhow so we can set it to
- // true too without doing any harm
- m_closed = true;
- break;
- }
-
- if ( ret < 0 )
- {
- // this will be always interpreted as error by Read()
- return 0;
- }
-
- total += ret;
-
- // if wxSOCKET_WAITALL is not set, we can leave now as we did read
- // something
- if ( !(m_flags & wxSOCKET_WAITALL) )
- break;
-
- // otherwise check if read the maximal requested amount of data
- nbytes -= ret;
- if ( !nbytes )
- break;
-
- // we didn't, so continue reading
- buffer = (char *)buffer + ret;
+ wxLogWarning(_("wxSocket: invalid signature in ReadMsg."));
+ goto exit;
}
- }
- return total;
-}
+ len = (wxUint32)msg.len[0];
+ len |= (wxUint32)(msg.len[1] << 8);
+ len |= (wxUint32)(msg.len[2] << 16);
+ len |= (wxUint32)(msg.len[3] << 24);
-wxSocketBase& wxSocketBase::ReadMsg(void* buffer, wxUint32 nbytes)
-{
- wxUint32 len, len2, sig, total;
- bool error;
- int old_flags;
- struct
- {
- unsigned char sig[4];
- unsigned char len[4];
- } msg;
-
- // Mask read events
- m_reading = true;
-
- total = 0;
- error = true;
- old_flags = m_flags;
- SetFlags((m_flags & wxSOCKET_BLOCK) | wxSOCKET_WAITALL);
-
- if (_Read(&msg, sizeof(msg)) != sizeof(msg))
- goto exit;
-
- sig = (wxUint32)msg.sig[0];
- sig |= (wxUint32)(msg.sig[1] << 8);
- sig |= (wxUint32)(msg.sig[2] << 16);
- sig |= (wxUint32)(msg.sig[3] << 24);
-
- if (sig != 0xfeeddead)
- {
- wxLogWarning(_("wxSocket: invalid signature in ReadMsg."));
- goto exit;
- }
-
- len = (wxUint32)msg.len[0];
- len |= (wxUint32)(msg.len[1] << 8);
- len |= (wxUint32)(msg.len[2] << 16);
- len |= (wxUint32)(msg.len[3] << 24);
-
- if (len > nbytes)
- {
- len2 = len - nbytes;
- len = nbytes;
- }
- else
- len2 = 0;
-
- // Don't attemp to read if the msg was zero bytes long.
- if (len)
- {
- total = _Read(buffer, len);
-
- if (total != len)
- goto exit;
- }
- if (len2)
- {
- char *discard_buffer = new char[MAX_DISCARD_SIZE];
- long discard_len;
-
- // NOTE: discarded bytes don't add to m_lcount.
- do
+ if (len > nbytes)
+ {
+ len2 = len - nbytes;
+ len = nbytes;
+ }
+ else
+ len2 = 0;
+
+ // Don't attempt to read if the msg was zero bytes long.
+ if (len)
{
- discard_len = ((len2 > MAX_DISCARD_SIZE)? MAX_DISCARD_SIZE : len2);
- discard_len = _Read(discard_buffer, (wxUint32)discard_len);
- len2 -= (wxUint32)discard_len;
+ total = _Read(buffer, len);
+
+ if (total != len)
+ goto exit;
}
- while ((discard_len > 0) && len2);
- delete [] discard_buffer;
+ if (len2)
+ {
+ char *discard_buffer = new char[MAX_DISCARD_SIZE];
+ long discard_len;
+
+ // NOTE: discarded bytes don't add to m_lcount.
+ do
+ {
+ discard_len = ((len2 > MAX_DISCARD_SIZE)? MAX_DISCARD_SIZE : len2);
+ discard_len = _Read(discard_buffer, (wxUint32)discard_len);
+ len2 -= (wxUint32)discard_len;
+ }
+ while ((discard_len > 0) && len2);
+
+ delete [] discard_buffer;
- if (len2 != 0)
- goto exit;
- }
- if (_Read(&msg, sizeof(msg)) != sizeof(msg))
- goto exit;
+ if (len2 != 0)
+ goto exit;
+ }
+ if (_Read(&msg, sizeof(msg)) != sizeof(msg))
+ goto exit;
- sig = (wxUint32)msg.sig[0];
- sig |= (wxUint32)(msg.sig[1] << 8);
- sig |= (wxUint32)(msg.sig[2] << 16);
- sig |= (wxUint32)(msg.sig[3] << 24);
+ sig = (wxUint32)msg.sig[0];
+ sig |= (wxUint32)(msg.sig[1] << 8);
+ sig |= (wxUint32)(msg.sig[2] << 16);
+ sig |= (wxUint32)(msg.sig[3] << 24);
- if (sig != 0xdeadfeed)
- {
- wxLogWarning(_("wxSocket: invalid signature in ReadMsg."));
- goto exit;
- }
+ if (sig != 0xdeadfeed)
+ {
+ wxLogWarning(_("wxSocket: invalid signature in ReadMsg."));
+ goto exit;
+ }
- // everything was OK
- error = false;
+ // everything was OK
+ error = false;
exit:
- m_error = error;
- m_lcount = total;
- m_reading = false;
- SetFlags(old_flags);
+ m_error = error;
+ m_lcount = total;
+ m_reading = false;
+ SetFlags(old_flags);
- return *this;
+ return *this;
}
wxSocketBase& wxSocketBase::Peek(void* buffer, wxUint32 nbytes)
{
- // Mask read events
- m_reading = true;
+ // Mask read events
+ m_reading = true;
- m_lcount = _Read(buffer, nbytes);
- Pushback(buffer, m_lcount);
+ m_lcount = _Read(buffer, nbytes);
+ Pushback(buffer, m_lcount);
- // If in wxSOCKET_WAITALL mode, all bytes should have been read.
- if (m_flags & wxSOCKET_WAITALL)
- m_error = (m_lcount != nbytes);
- else
- m_error = (m_lcount == 0);
+ // If in wxSOCKET_WAITALL mode, all bytes should have been read.
+ if (m_flags & wxSOCKET_WAITALL)
+ m_error = (m_lcount != nbytes);
+ else
+ m_error = (m_lcount == 0);
- // Allow read events again
- m_reading = false;
+ // Allow read events again
+ m_reading = false;
- return *this;
+ return *this;
}
wxSocketBase& wxSocketBase::Write(const void *buffer, wxUint32 nbytes)
{
- // Mask write events
- m_writing = true;
+ // Mask write events
+ m_writing = true;
- m_lcount = _Write(buffer, nbytes);
+ m_lcount = _Write(buffer, nbytes);
- // If in wxSOCKET_WAITALL mode, all bytes should have been written.
- if (m_flags & wxSOCKET_WAITALL)
- m_error = (m_lcount != nbytes);
- else
- m_error = (m_lcount == 0);
+ // If in wxSOCKET_WAITALL mode, all bytes should have been written.
+ if (m_flags & wxSOCKET_WAITALL)
+ m_error = (m_lcount != nbytes);
+ else
+ m_error = (m_lcount == 0);
- // Allow write events again
- m_writing = false;
+ // Allow write events again
+ m_writing = false;
- return *this;
+ return *this;
}
wxUint32 wxSocketBase::_Write(const void *buffer_, wxUint32 nbytes)
{
- const char *buffer = (const char *)buffer_;
-
- wxUint32 total = 0;
-
- // If the socket is invalid or parameters are ill, return immediately
- if (!m_socket || !buffer || !nbytes)
- return 0;
-
- // Possible combinations (they are checked in this order)
- // wxSOCKET_NOWAIT
- // wxSOCKET_WAITALL (with or without wxSOCKET_BLOCK)
- // wxSOCKET_BLOCK
- // wxSOCKET_NONE
- //
- int ret;
- if (m_flags & wxSOCKET_NOWAIT)
- {
- m_socket->SetNonBlocking(1);
- ret = m_socket->Write(buffer, nbytes);
- m_socket->SetNonBlocking(0);
-
- if (ret > 0)
- total = ret;
- }
- else // blocking socket
- {
- for ( ;; )
+ const char *buffer = (const char *)buffer_;
+
+ wxUint32 total = 0;
+
+ // If the socket is invalid or parameters are ill, return immediately
+ if (!m_socket || !buffer || !nbytes)
+ return 0;
+
+ // Possible combinations (they are checked in this order)
+ // wxSOCKET_NOWAIT
+ // wxSOCKET_WAITALL (with or without wxSOCKET_BLOCK)
+ // wxSOCKET_BLOCK
+ // wxSOCKET_NONE
+ //
+ int ret;
+ if (m_flags & wxSOCKET_NOWAIT)
{
- if ( !(m_flags & wxSOCKET_BLOCK) && !WaitForWrite() )
- break;
+ m_socket->SetNonBlocking(1);
+ ret = m_socket->Write(buffer, nbytes);
+ m_socket->SetNonBlocking(0);
- ret = m_socket->Write(buffer, nbytes);
+ if (ret > 0)
+ total = ret;
+ }
+ else // blocking socket
+ {
+ for ( ;; )
+ {
+ if ( !(m_flags & wxSOCKET_BLOCK) && !WaitForWrite() )
+ break;
+
+ ret = m_socket->Write(buffer, nbytes);
- // see comments for similar logic for ret handling in _Read()
- if ( ret == 0 )
- {
- m_closed = true;
- break;
- }
+ // see comments for similar logic for ret handling in _Read()
+ if ( ret == 0 )
+ {
+ m_closed = true;
+ break;
+ }
- if ( ret < 0 )
- {
- return 0;
- }
+ if ( ret < 0 )
+ {
+ return 0;
+ }
- total += ret;
- if ( !(m_flags & wxSOCKET_WAITALL) )
- break;
+ total += ret;
+ if ( !(m_flags & wxSOCKET_WAITALL) )
+ break;
- nbytes -= ret;
- if ( !nbytes )
- break;
+ nbytes -= ret;
+ if ( !nbytes )
+ break;
- buffer = (const char *)buffer + ret;
+ buffer = (const char *)buffer + ret;
+ }
}
- }
- return total;
+ return total;
}
wxSocketBase& wxSocketBase::WriteMsg(const void *buffer, wxUint32 nbytes)
{
- wxUint32 total;
- bool error;
- struct
- {
- unsigned char sig[4];
- unsigned char len[4];
- } msg;
+ wxUint32 total;
+ bool error;
+ struct
+ {
+ unsigned char sig[4];
+ unsigned char len[4];
+ } msg;
- // Mask write events
- m_writing = true;
+ // Mask write events
+ m_writing = true;
- error = true;
- total = 0;
- SetFlags((m_flags & wxSOCKET_BLOCK) | wxSOCKET_WAITALL);
+ error = true;
+ total = 0;
+ SetFlags((m_flags & wxSOCKET_BLOCK) | wxSOCKET_WAITALL);
- msg.sig[0] = (unsigned char) 0xad;
- msg.sig[1] = (unsigned char) 0xde;
- msg.sig[2] = (unsigned char) 0xed;
- msg.sig[3] = (unsigned char) 0xfe;
+ msg.sig[0] = (unsigned char) 0xad;
+ msg.sig[1] = (unsigned char) 0xde;
+ msg.sig[2] = (unsigned char) 0xed;
+ msg.sig[3] = (unsigned char) 0xfe;
- msg.len[0] = (unsigned char) (nbytes & 0xff);
- msg.len[1] = (unsigned char) ((nbytes >> 8) & 0xff);
- msg.len[2] = (unsigned char) ((nbytes >> 16) & 0xff);
- msg.len[3] = (unsigned char) ((nbytes >> 24) & 0xff);
+ msg.len[0] = (unsigned char) (nbytes & 0xff);
+ msg.len[1] = (unsigned char) ((nbytes >> 8) & 0xff);
+ msg.len[2] = (unsigned char) ((nbytes >> 16) & 0xff);
+ msg.len[3] = (unsigned char) ((nbytes >> 24) & 0xff);
- if (_Write(&msg, sizeof(msg)) < sizeof(msg))
- goto exit;
+ if (_Write(&msg, sizeof(msg)) < sizeof(msg))
+ goto exit;
- total = _Write(buffer, nbytes);
+ total = _Write(buffer, nbytes);
- if (total < nbytes)
- goto exit;
+ if (total < nbytes)
+ goto exit;
- msg.sig[0] = (unsigned char) 0xed;
- msg.sig[1] = (unsigned char) 0xfe;
- msg.sig[2] = (unsigned char) 0xad;
- msg.sig[3] = (unsigned char) 0xde;
- msg.len[0] = msg.len[1] = msg.len[2] = msg.len[3] = (char) 0;
+ msg.sig[0] = (unsigned char) 0xed;
+ msg.sig[1] = (unsigned char) 0xfe;
+ msg.sig[2] = (unsigned char) 0xad;
+ msg.sig[3] = (unsigned char) 0xde;
+ msg.len[0] =
+ msg.len[1] =
+ msg.len[2] =
+ msg.len[3] = (char) 0;
- if ((_Write(&msg, sizeof(msg))) < sizeof(msg))
- goto exit;
+ if ((_Write(&msg, sizeof(msg))) < sizeof(msg))
+ goto exit;
- // everything was OK
- error = false;
+ // everything was OK
+ error = false;
exit:
- m_error = error;
- m_lcount = total;
- m_writing = false;
+ m_error = error;
+ m_lcount = total;
+ m_writing = false;
- return *this;
+ return *this;
}
wxSocketBase& wxSocketBase::Unread(const void *buffer, wxUint32 nbytes)
{
- if (nbytes != 0)
- Pushback(buffer, nbytes);
+ if (nbytes != 0)
+ Pushback(buffer, nbytes);
- m_error = false;
- m_lcount = nbytes;
+ m_error = false;
+ m_lcount = nbytes;
- return *this;
+ return *this;
}
wxSocketBase& wxSocketBase::Discard()
{
- char *buffer = new char[MAX_DISCARD_SIZE];
- wxUint32 ret;
- wxUint32 total = 0;
+ char *buffer = new char[MAX_DISCARD_SIZE];
+ wxUint32 ret;
+ wxUint32 total = 0;
- // Mask read events
- m_reading = true;
+ // Mask read events
+ m_reading = true;
- SetFlags(wxSOCKET_NOWAIT);
+ SetFlags(wxSOCKET_NOWAIT);
- do
- {
- ret = _Read(buffer, MAX_DISCARD_SIZE);
- total += ret;
- }
- while (ret == MAX_DISCARD_SIZE);
+ do
+ {
+ ret = _Read(buffer, MAX_DISCARD_SIZE);
+ total += ret;
+ }
+ while (ret == MAX_DISCARD_SIZE);
- delete[] buffer;
- m_lcount = total;
- m_error = false;
+ delete[] buffer;
+ m_lcount = total;
+ m_error = false;
- // Allow read events again
- m_reading = false;
+ // Allow read events again
+ m_reading = false;
- return *this;
+ return *this;
}
// --------------------------------------------------------------------------
long milliseconds,
wxSocketEventFlags flags)
{
- GSocketEventFlags result;
- long timeout; // in ms
+ GSocketEventFlags result;
+ long timeout; // in ms
- // Set this to true to interrupt ongoing waits
- m_interrupt = false;
+ // Set this to true to interrupt ongoing waits
+ m_interrupt = false;
- // Check for valid socket
- if (!m_socket)
- return false;
+ // Check for valid socket
+ if (!m_socket)
+ return false;
- // Check for valid timeout value.
- if (seconds != -1)
- timeout = seconds * 1000 + milliseconds;
- else
- timeout = m_timeout * 1000;
+ // Check for valid timeout value.
+ if (seconds != -1)
+ timeout = seconds * 1000 + milliseconds;
+ else
+ timeout = m_timeout * 1000;
- // Get the active event loop
- wxEventLoopBase * const eventLoop = wxEventLoop::GetActive();
+ // Get the active event loop
+ wxEventLoopBase * const eventLoop = wxEventLoop::GetActive();
#ifdef __WXMSW__
- wxASSERT_MSG( !wxIsMainThread() || eventLoop,
- "Sockets won't work without a running event loop" );
+ wxASSERT_MSG( !wxIsMainThread() || eventLoop,
+ "Sockets won't work without a running event loop" );
#endif // __WXMSW__
- // Wait in an active polling loop.
- //
- // NOTE: We duplicate some of the code in OnRequest, but this doesn't
- // hurt. It has to be here because the (GSocket) event might arrive
- // a bit delayed, and it has to be in OnRequest as well because we
- // don't know whether the Wait functions are being used.
- //
- // Do this at least once (important if timeout == 0, when
- // we are just polling). Also, if just polling, do not yield.
-
- const wxMilliClock_t time_limit = wxGetLocalTimeMillis() + timeout;
- bool done = false;
- bool valid_result = false;
-
- if (!eventLoop)
- {
- // This is used to avoid a busy loop on wxBase - having a select
- // timeout of 50 ms per iteration should be enough.
- if (timeout > 50)
- m_socket->SetTimeout(50);
- else
- m_socket->SetTimeout(timeout);
- }
-
- while (!done)
- {
- result = m_socket->Select(flags | GSOCK_LOST_FLAG);
-
- // Incoming connection (server) or connection established (client)
- if (result & GSOCK_CONNECTION_FLAG)
+ // Wait in an active polling loop.
+ //
+ // NOTE: We duplicate some of the code in OnRequest, but this doesn't
+ // hurt. It has to be here because the (GSocket) event might arrive
+ // a bit delayed, and it has to be in OnRequest as well because we
+ // don't know whether the Wait functions are being used.
+ //
+ // Do this at least once (important if timeout == 0, when
+ // we are just polling). Also, if just polling, do not yield.
+
+ const wxMilliClock_t time_limit = wxGetLocalTimeMillis() + timeout;
+ bool done = false;
+ bool valid_result = false;
+
+ if (!eventLoop)
{
- m_connected = true;
- m_establishing = false;
- valid_result = true;
- break;
+ // This is used to avoid a busy loop on wxBase - having a select
+ // timeout of 50 ms per iteration should be enough.
+ if (timeout > 50)
+ m_socket->SetTimeout(50);
+ else
+ m_socket->SetTimeout(timeout);
}
- // Data available or output buffer ready
- if ((result & GSOCK_INPUT_FLAG) || (result & GSOCK_OUTPUT_FLAG))
+ while (!done)
{
- valid_result = true;
- break;
- }
+ result = m_socket->Select(flags | GSOCK_LOST_FLAG);
- // Connection lost
- if (result & GSOCK_LOST_FLAG)
- {
- m_connected = false;
- m_establishing = false;
- valid_result = ((flags & GSOCK_LOST_FLAG) != 0);
- break;
- }
+ // Incoming connection (server) or connection established (client)
+ if (result & GSOCK_CONNECTION_FLAG)
+ {
+ m_connected = true;
+ m_establishing = false;
+ valid_result = true;
+ break;
+ }
- // Wait more?
- long time_left = wxMilliClockToLong(time_limit - wxGetLocalTimeMillis());
- if ((!timeout) || (time_left <= 0) || (m_interrupt))
- done = true;
- else
- {
- if (eventLoop)
- {
- // from the main thread itself we have to run the event loop to let the
- // events (including the GUI events and the low-level (not wxWidgets)
- // events from GSocket) be processed but from another thread it is
- // enough to just call wxThread::Yield() which will give away the rest
- // of our time slice: the explanation is that the events will be
- // processed by the main thread anyhow, but we don't want to eat the
- // CPU time uselessly while sitting in the loop waiting for the data
- if ( wxIsMainThread() )
+ // Data available or output buffer ready
+ if ((result & GSOCK_INPUT_FLAG) || (result & GSOCK_OUTPUT_FLAG))
{
- if ( eventLoop->Pending() )
- eventLoop->Dispatch();
+ valid_result = true;
+ break;
}
-#if wxUSE_THREADS
+
+ // Connection lost
+ if (result & GSOCK_LOST_FLAG)
+ {
+ m_connected = false;
+ m_establishing = false;
+ valid_result = ((flags & GSOCK_LOST_FLAG) != 0);
+ break;
+ }
+
+ // Wait more?
+ long time_left = wxMilliClockToLong(time_limit - wxGetLocalTimeMillis());
+ if ((!timeout) || (time_left <= 0) || (m_interrupt))
+ done = true;
else
- wxThread::Yield();
+ {
+ if (eventLoop)
+ {
+ // from the main thread itself we have to run the event loop to
+ // let the events (including the GUI events and the low-level
+ // (not wxWidgets) events from GSocket) be processed but from
+ // another thread it is enough to just call wxThread::Yield()
+ // which will give away the rest of our time slice: the
+ // explanation is that the events will be processed by the main
+ // thread anyhow, but we don't want to eat the CPU time
+ // uselessly while sitting in the loop waiting for the data
+ if ( wxIsMainThread() )
+ {
+ if ( eventLoop->Pending() )
+ eventLoop->Dispatch();
+ }
+#if wxUSE_THREADS
+ else
+ wxThread::Yield();
#endif // wxUSE_THREADS
- }
- else
- {
- // If there's less than 50 ms left, just call select with that timeout.
- if (time_left < 50)
- m_socket->SetTimeout(time_left);
- }
+ }
+ else
+ {
+ // If there's less than 50 ms left, just call select with that timeout.
+ if (time_left < 50)
+ m_socket->SetTimeout(time_left);
+ }
+ }
}
- }
- // Set timeout back to original value (we overwrote it for polling)
- if (!eventLoop)
- m_socket->SetTimeout(m_timeout*1000);
+ // Set timeout back to original value (we overwrote it for polling)
+ if (!eventLoop)
+ m_socket->SetTimeout(m_timeout*1000);
- return valid_result;
+ return valid_result;
}
bool wxSocketBase::Wait(long seconds, long milliseconds)
bool wxSocketBase::WaitForRead(long seconds, long milliseconds)
{
- // Check pushback buffer before entering _Wait
- if (m_unread)
- return true;
+ // Check pushback buffer before entering _Wait
+ if (m_unread)
+ return true;
- // Note that GSOCK_INPUT_LOST has to be explicitly passed to
- // _Wait because of the semantics of WaitForRead: a return
- // value of true means that a GSocket_Read call will return
- // immediately, not that there is actually data to read.
+ // Note that GSOCK_INPUT_LOST has to be explicitly passed to
+ // _Wait because of the semantics of WaitForRead: a return
+ // value of true means that a GSocket_Read call will return
+ // immediately, not that there is actually data to read.
- return _Wait(seconds, milliseconds, GSOCK_INPUT_FLAG |
- GSOCK_LOST_FLAG);
+ return _Wait(seconds, milliseconds, GSOCK_INPUT_FLAG | GSOCK_LOST_FLAG);
}
bool wxSocketBase::GetPeer(wxSockAddress& addr_man) const
{
- GAddress *peer;
+ GAddress *peer;
- if (!m_socket)
- return false;
+ if (!m_socket)
+ return false;
- peer = m_socket->GetPeer();
+ peer = m_socket->GetPeer();
// copying a null address would just trigger an assert anyway
- if (!peer)
- return false;
+ if (!peer)
+ return false;
- addr_man.SetAddress(peer);
- GAddress_destroy(peer);
+ addr_man.SetAddress(peer);
+ GAddress_destroy(peer);
- return true;
+ return true;
}
bool wxSocketBase::GetLocal(wxSockAddress& addr_man) const
void wxSocketBase::OnRequest(wxSocketNotify notification)
{
- // NOTE: We duplicate some of the code in _Wait, but this doesn't
- // hurt. It has to be here because the (GSocket) event might arrive
- // a bit delayed, and it has to be in _Wait as well because we don't
- // know whether the Wait functions are being used.
-
- switch(notification)
- {
- case wxSOCKET_CONNECTION:
- m_establishing = false;
- m_connected = true;
- break;
-
- // If we are in the middle of a R/W operation, do not
- // propagate events to users. Also, filter 'late' events
- // which are no longer valid.
-
- case wxSOCKET_INPUT:
- if (m_reading || !m_socket->Select(GSOCK_INPUT_FLAG))
- return;
- break;
+ // NOTE: We duplicate some of the code in _Wait, but this doesn't
+ // hurt. It has to be here because the (GSocket) event might arrive
+ // a bit delayed, and it has to be in _Wait as well because we don't
+ // know whether the Wait functions are being used.
- case wxSOCKET_OUTPUT:
- if (m_writing || !m_socket->Select(GSOCK_OUTPUT_FLAG))
- return;
- break;
-
- case wxSOCKET_LOST:
- m_connected = false;
- m_establishing = false;
- break;
-
- default:
- break;
- }
-
- // Schedule the event
-
- wxSocketEventFlags flag = 0;
- wxUnusedVar(flag);
- switch (notification)
- {
- case GSOCK_INPUT: flag = GSOCK_INPUT_FLAG; break;
- case GSOCK_OUTPUT: flag = GSOCK_OUTPUT_FLAG; break;
- case GSOCK_CONNECTION: flag = GSOCK_CONNECTION_FLAG; break;
- case GSOCK_LOST: flag = GSOCK_LOST_FLAG; break;
- default:
- wxLogWarning(_("wxSocket: unknown event!."));
- return;
- }
-
- if (((m_eventmask & flag) == flag) && m_notify)
- {
- if (m_handler)
+ switch(notification)
{
- wxSocketEvent event(m_id);
- event.m_event = notification;
- event.m_clientData = m_clientData;
- event.SetEventObject(this);
+ case wxSOCKET_CONNECTION:
+ m_establishing = false;
+ m_connected = true;
+ break;
+
+ // If we are in the middle of a R/W operation, do not
+ // propagate events to users. Also, filter 'late' events
+ // which are no longer valid.
+
+ case wxSOCKET_INPUT:
+ if (m_reading || !m_socket->Select(GSOCK_INPUT_FLAG))
+ return;
+ break;
+
+ case wxSOCKET_OUTPUT:
+ if (m_writing || !m_socket->Select(GSOCK_OUTPUT_FLAG))
+ return;
+ break;
+
+ case wxSOCKET_LOST:
+ m_connected = false;
+ m_establishing = false;
+ break;
+ }
+
+ // Schedule the event
- m_handler->AddPendingEvent(event);
+ wxSocketEventFlags flag = 0;
+ wxUnusedVar(flag);
+ switch (notification)
+ {
+ case GSOCK_INPUT: flag = GSOCK_INPUT_FLAG; break;
+ case GSOCK_OUTPUT: flag = GSOCK_OUTPUT_FLAG; break;
+ case GSOCK_CONNECTION: flag = GSOCK_CONNECTION_FLAG; break;
+ case GSOCK_LOST: flag = GSOCK_LOST_FLAG; break;
+ default:
+ wxLogWarning(_("wxSocket: unknown event!."));
+ return;
+ }
+
+ if (((m_eventmask & flag) == flag) && m_notify)
+ {
+ if (m_handler)
+ {
+ wxSocketEvent event(m_id);
+ event.m_event = notification;
+ event.m_clientData = m_clientData;
+ event.SetEventObject(this);
+
+ m_handler->AddPendingEvent(event);
+ }
}
- }
}
void wxSocketBase::Notify(bool notify)
void wxSocketBase::Pushback(const void *buffer, wxUint32 size)
{
- if (!size) return;
+ if (!size) return;
- if (m_unread == NULL)
- m_unread = malloc(size);
- else
- {
- void *tmp;
+ if (m_unread == NULL)
+ m_unread = malloc(size);
+ else
+ {
+ void *tmp;
- tmp = malloc(m_unrd_size + size);
- memcpy((char *)tmp + size, m_unread, m_unrd_size);
- free(m_unread);
+ tmp = malloc(m_unrd_size + size);
+ memcpy((char *)tmp + size, m_unread, m_unrd_size);
+ free(m_unread);
- m_unread = tmp;
- }
+ m_unread = tmp;
+ }
- m_unrd_size += size;
+ m_unrd_size += size;
- memcpy(m_unread, buffer, size);
+ memcpy(m_unread, buffer, size);
}
wxUint32 wxSocketBase::GetPushback(void *buffer, wxUint32 size, bool peek)
{
- if (!m_unrd_size)
- return 0;
+ if (!m_unrd_size)
+ return 0;
- if (size > (m_unrd_size-m_unrd_cur))
- size = m_unrd_size-m_unrd_cur;
+ if (size > (m_unrd_size-m_unrd_cur))
+ size = m_unrd_size-m_unrd_cur;
- memcpy(buffer, (char *)m_unread + m_unrd_cur, size);
+ memcpy(buffer, (char *)m_unread + m_unrd_cur, size);
- if (!peek)
- {
- m_unrd_cur += size;
- if (m_unrd_size == m_unrd_cur)
+ if (!peek)
{
- free(m_unread);
- m_unread = NULL;
- m_unrd_size = 0;
- m_unrd_cur = 0;
+ m_unrd_cur += size;
+ if (m_unrd_size == m_unrd_cur)
+ {
+ free(m_unread);
+ m_unread = NULL;
+ m_unrd_size = 0;
+ m_unrd_cur = 0;
+ }
}
- }
- return size;
+ return size;
}
bool wxSocketServer::AcceptWith(wxSocketBase& sock, bool wait)
{
- GSocket *child_socket;
+ GSocket *child_socket;
- if (!m_socket)
- return false;
+ if (!m_socket)
+ return false;
- // If wait == false, then the call should be nonblocking.
- // When we are finished, we put the socket to blocking mode
- // again.
+ // If wait == false, then the call should be nonblocking.
+ // When we are finished, we put the socket to blocking mode
+ // again.
- if (!wait)
- m_socket->SetNonBlocking(1);
+ if (!wait)
+ m_socket->SetNonBlocking(1);
- child_socket = m_socket->WaitConnection();
+ child_socket = m_socket->WaitConnection();
- if (!wait)
- m_socket->SetNonBlocking(0);
+ if (!wait)
+ m_socket->SetNonBlocking(0);
- if (!child_socket)
- return false;
+ if (!child_socket)
+ return false;
- sock.m_type = wxSOCKET_BASE;
- sock.m_socket = child_socket;
- sock.m_connected = true;
+ sock.m_type = wxSOCKET_BASE;
+ sock.m_socket = child_socket;
+ sock.m_connected = true;
- sock.m_socket->SetTimeout(sock.m_timeout * 1000);
- sock.m_socket->SetCallback(GSOCK_INPUT_FLAG | GSOCK_OUTPUT_FLAG |
- GSOCK_LOST_FLAG | GSOCK_CONNECTION_FLAG,
- wx_socket_callback, (char *)&sock);
+ sock.m_socket->SetTimeout(sock.m_timeout * 1000);
+ sock.m_socket->SetCallback(GSOCK_INPUT_FLAG | GSOCK_OUTPUT_FLAG |
+ GSOCK_LOST_FLAG | GSOCK_CONNECTION_FLAG,
+ wx_socket_callback, (char *)&sock);
- return true;
+ return true;
}
wxSocketBase *wxSocketServer::Accept(bool wait)
{
- wxSocketBase* sock = new wxSocketBase();
+ wxSocketBase* sock = new wxSocketBase();
- sock->SetFlags(m_flags);
+ sock->SetFlags(m_flags);
- if (!AcceptWith(*sock, wait))
- {
- sock->Destroy();
- sock = NULL;
- }
+ if (!AcceptWith(*sock, wait))
+ {
+ sock->Destroy();
+ sock = NULL;
+ }
- return sock;
+ return sock;
}
bool wxSocketServer::WaitForAccept(long seconds, long milliseconds)
bool wxSocketBase::SetLocal(const wxIPV4address& local)
{
- GAddress* la = local.GetAddress();
+ GAddress* la = local.GetAddress();
- // If the address is valid, save it for use when we call Connect
- if (la && la->m_addr)
- {
- m_localAddress = local;
+ // If the address is valid, save it for use when we call Connect
+ if (la && la->m_addr)
+ {
+ m_localAddress = local;
- return true;
- }
+ return true;
+ }
- return false;
+ return false;
}
// ==========================================================================
const wxSockAddress* local,
bool wait)
{
- GSocketError err;
+ GSocketError err;
- if (m_socket)
- {
- // Shutdown and destroy the socket
- Close();
- delete m_socket;
- }
+ if (m_socket)
+ {
+ // Shutdown and destroy the socket
+ Close();
+ delete m_socket;
+ }
- m_socket = GSocket_new();
- m_connected = false;
- m_establishing = false;
+ m_socket = GSocket_new();
+ m_connected = false;
+ m_establishing = false;
- if (!m_socket)
- return false;
+ if (!m_socket)
+ return false;
- m_socket->SetTimeout(m_timeout * 1000);
- m_socket->SetCallback(GSOCK_INPUT_FLAG | GSOCK_OUTPUT_FLAG |
- GSOCK_LOST_FLAG | GSOCK_CONNECTION_FLAG,
- wx_socket_callback, (char *)this);
-
- // If wait == false, then the call should be nonblocking.
- // When we are finished, we put the socket to blocking mode
- // again.
-
- if (!wait)
- m_socket->SetNonBlocking(1);
-
- // Reuse makes sense for clients too, if we are trying to rebind to the same port
- if (GetFlags() & wxSOCKET_REUSEADDR)
- {
- m_socket->SetReusable();
- }
- if (GetFlags() & wxSOCKET_BROADCAST)
- {
- m_socket->SetBroadcast();
- }
- if (GetFlags() & wxSOCKET_NOBIND)
- {
- m_socket->DontDoBind();
- }
-
- // If no local address was passed and one has been set, use the one that was Set
- if (!local && m_localAddress.GetAddress())
- {
- local = &m_localAddress;
- }
-
- // Bind to the local IP address and port, when provided
- if (local)
- {
- GAddress* la = local->GetAddress();
+ m_socket->SetTimeout(m_timeout * 1000);
+ m_socket->SetCallback(
+ GSOCK_INPUT_FLAG |
+ GSOCK_OUTPUT_FLAG |
+ GSOCK_LOST_FLAG |
+ GSOCK_CONNECTION_FLAG,
+ wx_socket_callback,
+ (char *)this
+ );
+
+ // If wait == false, then the call should be nonblocking. When we are
+ // finished, we put the socket to blocking mode again.
+
+ if (!wait)
+ m_socket->SetNonBlocking(1);
+
+ // Reuse makes sense for clients too, if we are trying to rebind to the same port
+ if (GetFlags() & wxSOCKET_REUSEADDR)
+ {
+ m_socket->SetReusable();
+ }
+ if (GetFlags() & wxSOCKET_BROADCAST)
+ {
+ m_socket->SetBroadcast();
+ }
+ if (GetFlags() & wxSOCKET_NOBIND)
+ {
+ m_socket->DontDoBind();
+ }
- if (la && la->m_addr)
- m_socket->SetLocal(la);
- }
+ // If no local address was passed and one has been set, use the one that was Set
+ if (!local && m_localAddress.GetAddress())
+ {
+ local = &m_localAddress;
+ }
+
+ // Bind to the local IP address and port, when provided
+ if (local)
+ {
+ GAddress* la = local->GetAddress();
+
+ if (la && la->m_addr)
+ m_socket->SetLocal(la);
+ }
#if defined(__WXMSW__) || defined(__WXGTK__)
- m_socket->SetInitialSocketBuffers(m_initialRecvBufferSize, m_initialSendBufferSize);
+ m_socket->SetInitialSocketBuffers(m_initialRecvBufferSize, m_initialSendBufferSize);
#endif
- m_socket->SetPeer(addr_man.GetAddress());
- err = m_socket->Connect(GSOCK_STREAMED);
+ m_socket->SetPeer(addr_man.GetAddress());
+ err = m_socket->Connect(GSOCK_STREAMED);
- //this will register for callbacks - must be called after m_socket->m_fd was initialized
- m_socket->Notify(m_notify);
+ //this will register for callbacks - must be called after m_socket->m_fd was initialized
+ m_socket->Notify(m_notify);
- if (!wait)
- m_socket->SetNonBlocking(0);
+ if (!wait)
+ m_socket->SetNonBlocking(0);
- if (err != GSOCK_NOERROR)
- {
- if (err == GSOCK_WOULDBLOCK)
- m_establishing = true;
+ if (err != GSOCK_NOERROR)
+ {
+ if (err == GSOCK_WOULDBLOCK)
+ m_establishing = true;
- return false;
- }
+ return false;
+ }
- m_connected = true;
- return true;
+ m_connected = true;
+ return true;
}
bool wxSocketClient::Connect(const wxSockAddress& addr_man, bool wait)
IMPLEMENT_DYNAMIC_CLASS(wxSocketModule, wxModule)
-#endif
- // wxUSE_SOCKETS
+#endif // wxUSE_SOCKETS
projects / wxWidgets.git / commitdiff
