class WXDLLIMPEXP_NET wxTCPConnection : public wxConnectionBase
{
public:
- wxTCPConnection(void *buffer, size_t size);
- wxTCPConnection();
- virtual ~wxTCPConnection();
+ wxTCPConnection() { Init(); }
+ wxTCPConnection(void *buffer, size_t size)
+ : wxConnectionBase(buffer, size)
+ {
+ Init();
+ }
- // To enable the compressor (NOTE: not implemented!)
- void Compress(bool on);
+ virtual ~wxTCPConnection();
+ // implement base class pure virtual methods
+ virtual const void *Request(const wxString& item,
+ size_t *size = NULL,
+ wxIPCFormat format = wxIPC_TEXT);
+ virtual bool StartAdvise(const wxString& item);
+ virtual bool StopAdvise(const wxString& item);
+ virtual bool Disconnect(void);
+
+ // Will be used in the future to enable the compression but does nothing
+ // for now.
+ void Compress(bool on);
- // implement base class pure virtual methods
- virtual const void *Request(const wxString& item,
- size_t *size = NULL,
- wxIPCFormat format = wxIPC_TEXT);
- virtual bool StartAdvise(const wxString& item);
- virtual bool StopAdvise(const wxString& item);
- virtual bool Disconnect(void);
protected:
- virtual bool DoExecute(const void *data, size_t size, wxIPCFormat format);
- virtual bool DoPoke(const wxString& item, const void *data, size_t size,
- wxIPCFormat format);
- virtual bool DoAdvise(const wxString& item, const void *data, size_t size,
+ virtual bool DoExecute(const void *data, size_t size, wxIPCFormat format);
+ virtual bool DoPoke(const wxString& item, const void *data, size_t size,
wxIPCFormat format);
+ virtual bool DoAdvise(const wxString& item, const void *data, size_t size,
+ wxIPCFormat format);
+
+ wxSocketBase *m_sock;
+ wxSocketStream *m_sockstrm;
+ wxDataInputStream *m_codeci;
+ wxDataOutputStream *m_codeco;
+ wxString m_topic;
- wxSocketBase *m_sock;
- wxSocketStream *m_sockstrm;
- wxDataInputStream *m_codeci;
- wxDataOutputStream *m_codeco;
- wxString m_topic;
+private:
+ // common part of both ctors
+ void Init();
- friend class wxTCPServer;
- friend class wxTCPClient;
- friend class wxTCPEventHandler;
+ friend class wxTCPServer;
+ friend class wxTCPClient;
+ friend class wxTCPEventHandler;
- DECLARE_NO_COPY_CLASS(wxTCPConnection)
- DECLARE_DYNAMIC_CLASS(wxTCPConnection)
+ DECLARE_NO_COPY_CLASS(wxTCPConnection)
+ DECLARE_DYNAMIC_CLASS(wxTCPConnection)
};
class WXDLLIMPEXP_NET wxTCPServer : public wxServerBase
{
public:
- wxTCPServer();
- virtual ~wxTCPServer();
-
- // Returns false on error (e.g. port number is already in use)
- virtual bool Create(const wxString& serverName);
+ wxTCPServer();
+ virtual ~wxTCPServer();
- virtual wxConnectionBase *OnAcceptConnection(const wxString& topic);
+ // Returns false on error (e.g. port number is already in use)
+ virtual bool Create(const wxString& serverName);
- wxTCPConnection *topLevelConnection;
+ virtual wxConnectionBase *OnAcceptConnection(const wxString& topic);
protected:
- wxSocketServer *m_server;
+ wxSocketServer *m_server;
#ifdef __UNIX_LIKE__
- // the name of the file associated to the Unix domain socket, may be empty
- wxString m_filename;
+ // the name of the file associated to the Unix domain socket, may be empty
+ wxString m_filename;
#endif // __UNIX_LIKE__
- DECLARE_NO_COPY_CLASS(wxTCPServer)
- DECLARE_DYNAMIC_CLASS(wxTCPServer)
+ DECLARE_NO_COPY_CLASS(wxTCPServer)
+ DECLARE_DYNAMIC_CLASS(wxTCPServer)
};
class WXDLLIMPEXP_NET wxTCPClient : public wxClientBase
{
public:
- wxTCPClient();
- virtual ~wxTCPClient();
+ wxTCPClient();
- virtual bool ValidHost(const wxString& host);
+ virtual bool ValidHost(const wxString& host);
- // Call this to make a connection. Returns NULL if cannot.
- virtual wxConnectionBase *MakeConnection(const wxString& host,
- const wxString& server,
- const wxString& topic);
+ // Call this to make a connection. Returns NULL if cannot.
+ virtual wxConnectionBase *MakeConnection(const wxString& host,
+ const wxString& server,
+ const wxString& topic);
- // Callbacks to CLIENT - override at will
- virtual wxConnectionBase *OnMakeConnection();
+ // Callbacks to CLIENT - override at will
+ virtual wxConnectionBase *OnMakeConnection();
private:
- DECLARE_DYNAMIC_CLASS(wxTCPClient)
+ DECLARE_DYNAMIC_CLASS(wxTCPClient)
};
#endif // wxUSE_SOCKETS && wxUSE_IPC
// macros and constants
// --------------------------------------------------------------------------
-// It seems to be already defined somewhere in the Xt includes.
-#ifndef __XT__
// Message codes
enum
{
- IPC_EXECUTE = 1,
- IPC_REQUEST,
- IPC_POKE,
- IPC_ADVISE_START,
- IPC_ADVISE_REQUEST,
- IPC_ADVISE,
- IPC_ADVISE_STOP,
- IPC_REQUEST_REPLY,
- IPC_FAIL,
- IPC_CONNECT,
- IPC_DISCONNECT
+ IPC_EXECUTE = 1,
+ IPC_REQUEST,
+ IPC_POKE,
+ IPC_ADVISE_START,
+ IPC_ADVISE_REQUEST,
+ IPC_ADVISE,
+ IPC_ADVISE_STOP,
+ IPC_REQUEST_REPLY,
+ IPC_FAIL,
+ IPC_CONNECT,
+ IPC_DISCONNECT
};
-#endif
// All sockets will be created with the following flags
#define SCKIPC_FLAGS (wxSOCKET_WAITALL|wxSOCKET_REUSEADDR)
// get the address object for the given server name, the caller must delete it
static wxSockAddress *
-GetAddressFromName(const wxString& serverName, const wxString& host = wxEmptyString)
+GetAddressFromName(const wxString& serverName,
+ const wxString& host = wxEmptyString)
{
// we always use INET sockets under non-Unix systems
#if defined(__UNIX__) && !defined(__WINDOWS__) && !defined(__WINE__)
class wxTCPEventHandler : public wxEvtHandler
{
public:
- wxTCPEventHandler() : wxEvtHandler() {}
+ wxTCPEventHandler() : wxEvtHandler() {}
- void Client_OnRequest(wxSocketEvent& event);
- void Server_OnRequest(wxSocketEvent& event);
+ void Client_OnRequest(wxSocketEvent& event);
+ void Server_OnRequest(wxSocketEvent& event);
- DECLARE_EVENT_TABLE()
- DECLARE_NO_COPY_CLASS(wxTCPEventHandler)
+ DECLARE_EVENT_TABLE()
+ DECLARE_NO_COPY_CLASS(wxTCPEventHandler)
};
enum
{
- _CLIENT_ONREQUEST_ID = 1000,
- _SERVER_ONREQUEST_ID
+ _CLIENT_ONREQUEST_ID = 1000,
+ _SERVER_ONREQUEST_ID
};
static wxTCPEventHandler *gs_handler = NULL;
// wxTCPClient
// --------------------------------------------------------------------------
-wxTCPClient::wxTCPClient () : wxClientBase()
-{
-}
-
-wxTCPClient::~wxTCPClient ()
+wxTCPClient::wxTCPClient()
+ : wxClientBase()
{
}
bool wxTCPClient::ValidHost(const wxString& host)
{
- wxIPV4address addr;
+ wxIPV4address addr;
- return addr.Hostname(host);
+ return addr.Hostname(host);
}
wxConnectionBase *wxTCPClient::MakeConnection (const wxString& host,
const wxString& serverName,
const wxString& topic)
{
- wxSockAddress *addr = GetAddressFromName(serverName, host);
- if ( !addr )
- return NULL;
-
- wxSocketClient *client = new wxSocketClient(SCKIPC_FLAGS);
- wxSocketStream *stream = new wxSocketStream(*client);
- wxDataInputStream *data_is = new wxDataInputStream(*stream);
- wxDataOutputStream *data_os = new wxDataOutputStream(*stream);
+ wxSockAddress *addr = GetAddressFromName(serverName, host);
+ if ( !addr )
+ return NULL;
- bool ok = client->Connect(*addr);
- delete addr;
+ wxSocketClient *client = new wxSocketClient(SCKIPC_FLAGS);
+ wxSocketStream *stream = new wxSocketStream(*client);
+ wxDataInputStream *data_is = new wxDataInputStream(*stream);
+ wxDataOutputStream *data_os = new wxDataOutputStream(*stream);
- if ( ok )
- {
- unsigned char msg;
+ bool ok = client->Connect(*addr);
+ delete addr;
- // Send topic name, and enquire whether this has succeeded
- data_os->Write8(IPC_CONNECT);
- data_os->WriteString(topic);
+ if ( ok )
+ {
+ unsigned char msg;
- msg = data_is->Read8();
+ // Send topic name, and enquire whether this has succeeded
+ data_os->Write8(IPC_CONNECT);
+ data_os->WriteString(topic);
- // OK! Confirmation.
- if (msg == IPC_CONNECT)
- {
- wxTCPConnection *connection = (wxTCPConnection *)OnMakeConnection ();
+ msg = data_is->Read8();
- if (connection)
- {
- if (connection->IsKindOf(CLASSINFO(wxTCPConnection)))
- {
- connection->m_topic = topic;
- connection->m_sock = client;
- connection->m_sockstrm = stream;
- connection->m_codeci = data_is;
- connection->m_codeco = data_os;
- client->SetEventHandler(*gs_handler, _CLIENT_ONREQUEST_ID);
- client->SetClientData(connection);
- client->SetNotify(wxSOCKET_INPUT_FLAG | wxSOCKET_LOST_FLAG);
- client->Notify(true);
- return connection;
- }
- else
+ // OK! Confirmation.
+ if (msg == IPC_CONNECT)
{
- delete connection;
- // and fall through to delete everything else
+ wxTCPConnection *
+ connection = (wxTCPConnection *)OnMakeConnection ();
+
+ if (connection)
+ {
+ if (connection->IsKindOf(CLASSINFO(wxTCPConnection)))
+ {
+ connection->m_topic = topic;
+ connection->m_sock = client;
+ connection->m_sockstrm = stream;
+ connection->m_codeci = data_is;
+ connection->m_codeco = data_os;
+ client->SetEventHandler(*gs_handler, _CLIENT_ONREQUEST_ID);
+ client->SetClientData(connection);
+ client->SetNotify(wxSOCKET_INPUT_FLAG | wxSOCKET_LOST_FLAG);
+ client->Notify(true);
+ return connection;
+ }
+ else
+ {
+ delete connection;
+ // and fall through to delete everything else
+ }
+ }
}
- }
}
- }
- // Something went wrong, delete everything
- delete data_is;
- delete data_os;
- delete stream;
- client->Destroy();
+ // Something went wrong, delete everything
+ delete data_is;
+ delete data_os;
+ delete stream;
+ client->Destroy();
- return NULL;
+ return NULL;
}
wxConnectionBase *wxTCPClient::OnMakeConnection()
{
- return new wxTCPConnection();
+ return new wxTCPConnection();
}
// --------------------------------------------------------------------------
// wxTCPServer
// --------------------------------------------------------------------------
-wxTCPServer::wxTCPServer () : wxServerBase()
+wxTCPServer::wxTCPServer()
+ : wxServerBase()
{
- m_server = NULL;
+ m_server = NULL;
}
bool wxTCPServer::Create(const wxString& serverName)
{
- // Destroy previous server, if any
- if (m_server)
- {
- m_server->SetClientData(NULL);
- m_server->Destroy();
- m_server = NULL;
- }
+ // Destroy previous server, if any
+ if (m_server)
+ {
+ m_server->SetClientData(NULL);
+ m_server->Destroy();
+ m_server = NULL;
+ }
- wxSockAddress *addr = GetAddressFromName(serverName);
- if ( !addr )
- return false;
+ wxSockAddress *addr = GetAddressFromName(serverName);
+ if ( !addr )
+ return false;
#ifdef __UNIX_LIKE__
- mode_t umaskOld;
- if ( addr->Type() == wxSockAddress::UNIX )
- {
- // ensure that the file doesn't exist as otherwise calling socket() would
- // fail
- int rc = remove(serverName.fn_str());
- if ( rc < 0 && errno != ENOENT )
- {
- delete addr;
-
- return false;
- }
-
- // also set the umask to prevent the others from reading our file
- umaskOld = umask(077);
- }
- else
- {
- // unused anyhow but shut down the compiler warnings
- umaskOld = 0;
- }
+ mode_t umaskOld;
+ if ( addr->Type() == wxSockAddress::UNIX )
+ {
+ // ensure that the file doesn't exist as otherwise calling socket()
+ // would fail
+ int rc = remove(serverName.fn_str());
+ if ( rc < 0 && errno != ENOENT )
+ {
+ delete addr;
+
+ return false;
+ }
+
+ // also set the umask to prevent the others from reading our file
+ umaskOld = umask(077);
+ }
+ else
+ {
+ // unused anyhow but shut down the compiler warnings
+ umaskOld = 0;
+ }
#endif // __UNIX_LIKE__
- // Create a socket listening on the specified port
- m_server = new wxSocketServer(*addr, SCKIPC_FLAGS);
+ // Create a socket listening on the specified port
+ m_server = new wxSocketServer(*addr, SCKIPC_FLAGS);
#ifdef __UNIX_LIKE__
- if ( addr->Type() == wxSockAddress::UNIX )
- {
- // restore the umask
- umask(umaskOld);
-
- // save the file name to remove it later
- m_filename = serverName;
- }
+ if ( addr->Type() == wxSockAddress::UNIX )
+ {
+ // restore the umask
+ umask(umaskOld);
+
+ // save the file name to remove it later
+ m_filename = serverName;
+ }
#endif // __UNIX_LIKE__
- delete addr;
+ delete addr;
- if (!m_server->Ok())
- {
- m_server->Destroy();
- m_server = NULL;
+ if (!m_server->Ok())
+ {
+ m_server->Destroy();
+ m_server = NULL;
- return false;
- }
+ return false;
+ }
- m_server->SetEventHandler(*gs_handler, _SERVER_ONREQUEST_ID);
- m_server->SetClientData(this);
- m_server->SetNotify(wxSOCKET_CONNECTION_FLAG);
- m_server->Notify(true);
+ m_server->SetEventHandler(*gs_handler, _SERVER_ONREQUEST_ID);
+ m_server->SetClientData(this);
+ m_server->SetNotify(wxSOCKET_CONNECTION_FLAG);
+ m_server->Notify(true);
- return true;
+ return true;
}
wxTCPServer::~wxTCPServer()
{
- if (m_server)
+ if ( m_server )
{
m_server->SetClientData(NULL);
m_server->Destroy();
#endif // __UNIX_LIKE__
}
-wxConnectionBase *wxTCPServer::OnAcceptConnection( const wxString& WXUNUSED(topic) )
+wxConnectionBase *
+wxTCPServer::OnAcceptConnection(const wxString& WXUNUSED(topic))
{
- return new wxTCPConnection();
+ return new wxTCPConnection();
}
// --------------------------------------------------------------------------
// wxTCPConnection
// --------------------------------------------------------------------------
-wxTCPConnection::wxTCPConnection () : wxConnectionBase()
+void wxTCPConnection::Init()
{
- m_sock = NULL;
- m_sockstrm = NULL;
- m_codeci = NULL;
- m_codeco = NULL;
+ m_sock = NULL;
+ m_sockstrm = NULL;
+ m_codeci = NULL;
+ m_codeco = NULL;
}
-wxTCPConnection::wxTCPConnection(void *buffer, size_t size)
- : wxConnectionBase(buffer, size)
+wxTCPConnection::~wxTCPConnection()
{
- m_sock = NULL;
- m_sockstrm = NULL;
- m_codeci = NULL;
- m_codeco = NULL;
-}
+ Disconnect();
-wxTCPConnection::~wxTCPConnection ()
-{
- Disconnect();
-
- if (m_sock)
- {
- m_sock->SetClientData(NULL);
- m_sock->Destroy();
- }
-
- /* Delete after destroy */
- wxDELETE(m_codeci);
- wxDELETE(m_codeco);
- wxDELETE(m_sockstrm);
+ if ( m_sock )
+ {
+ m_sock->SetClientData(NULL);
+ m_sock->Destroy();
+ }
+
+ /* Delete after destroy */
+ wxDELETE(m_codeci);
+ wxDELETE(m_codeco);
+ wxDELETE(m_sockstrm);
}
void wxTCPConnection::Compress(bool WXUNUSED(on))
{
- // Use wxLZWStream
+ // TODO
}
// Calls that CLIENT can make.
-bool wxTCPConnection::Disconnect ()
+bool wxTCPConnection::Disconnect()
{
- if ( !GetConnected() )
- return true;
- // Send the the disconnect message to the peer.
- m_codeco->Write8(IPC_DISCONNECT);
+ if ( !GetConnected() )
+ return true;
+
+ // Send the disconnect message to the peer.
+ m_codeco->Write8(IPC_DISCONNECT);
- if ( m_sock )
- {
- m_sock->Notify(false);
- m_sock->Close();
- }
+ if ( m_sock )
+ {
+ m_sock->Notify(false);
+ m_sock->Close();
+ }
- SetConnected(false);
+ SetConnected(false);
- return true;
+ return true;
}
-bool wxTCPConnection::DoExecute(const void *data, size_t size, wxIPCFormat format)
+bool wxTCPConnection::DoExecute(const void *data,
+ size_t size,
+ wxIPCFormat format)
{
- if (!m_sock->IsConnected())
- return false;
+ if ( !m_sock->IsConnected() )
+ return false;
- // Prepare EXECUTE message
- m_codeco->Write8(IPC_EXECUTE);
- m_codeco->Write8(format);
+ // Prepare EXECUTE message
+ m_codeco->Write8(IPC_EXECUTE);
+ m_codeco->Write8(format);
- m_codeco->Write32(size);
- m_sockstrm->Write(data, size);
+ m_codeco->Write32(size);
+ m_sockstrm->Write(data, size);
- return true;
+ return true;
}
-const void *wxTCPConnection::Request (const wxString& item, size_t *size, wxIPCFormat format)
+const void *wxTCPConnection::Request(const wxString& item,
+ size_t *size,
+ wxIPCFormat format)
{
- if (!m_sock->IsConnected())
- return NULL;
+ if ( !m_sock->IsConnected() )
+ return NULL;
- m_codeco->Write8(IPC_REQUEST);
- m_codeco->WriteString(item);
- m_codeco->Write8(format);
+ m_codeco->Write8(IPC_REQUEST);
+ m_codeco->WriteString(item);
+ m_codeco->Write8(format);
- // If Unpack doesn't initialize it.
- int ret;
+ int ret = m_codeci->Read8();
+ if ( ret == IPC_FAIL )
+ return NULL;
- ret = m_codeci->Read8();
- if (ret == IPC_FAIL)
- return NULL;
- else
- {
size_t s = m_codeci->Read32();
void *data = GetBufferAtLeast( s );
wxASSERT_MSG(data != NULL,
- _T("Buffer too small in wxTCPConnection::Request") );
+ _T("Buffer too small in wxTCPConnection::Request") );
m_sockstrm->Read(data, s);
if (size)
- *size = s;
+ *size = s;
return data;
- }
}
-bool wxTCPConnection::DoPoke (const wxString& item, const void *data, size_t size, wxIPCFormat format)
+bool wxTCPConnection::DoPoke(const wxString& item,
+ const void *data,
+ size_t size,
+ wxIPCFormat format)
{
- if (!m_sock->IsConnected())
- return false;
+ if ( !m_sock->IsConnected() )
+ return false;
- m_codeco->Write8(IPC_POKE);
- m_codeco->WriteString(item);
- m_codeco->Write8(format);
+ m_codeco->Write8(IPC_POKE);
+ m_codeco->WriteString(item);
+ m_codeco->Write8(format);
- m_codeco->Write32(size);
- m_sockstrm->Write(data, size);
+ m_codeco->Write32(size);
+ m_sockstrm->Write(data, size);
- return true;
+ return true;
}
bool wxTCPConnection::StartAdvise (const wxString& item)
{
- int ret;
-
- if (!m_sock->IsConnected())
- return false;
-
- m_codeco->Write8(IPC_ADVISE_START);
- m_codeco->WriteString(item);
+ if ( !m_sock->IsConnected() )
+ return false;
- ret = m_codeci->Read8();
+ m_codeco->Write8(IPC_ADVISE_START);
+ m_codeco->WriteString(item);
- if (ret != IPC_FAIL)
- return true;
- else
- return false;
+ int ret = m_codeci->Read8();
+ if (ret != IPC_FAIL)
+ return true;
+ else
+ return false;
}
bool wxTCPConnection::StopAdvise (const wxString& item)
{
- int msg;
-
- if (!m_sock->IsConnected())
- return false;
+ if ( !m_sock->IsConnected() )
+ return false;
- m_codeco->Write8(IPC_ADVISE_STOP);
- m_codeco->WriteString(item);
+ m_codeco->Write8(IPC_ADVISE_STOP);
+ m_codeco->WriteString(item);
- msg = m_codeci->Read8();
+ int ret = m_codeci->Read8();
- if (msg != IPC_FAIL)
- return true;
- else
- return false;
+ if (ret != IPC_FAIL)
+ return true;
+ else
+ return false;
}
// Calls that SERVER can make
-bool wxTCPConnection::DoAdvise (const wxString& item,
- const void *data, size_t size, wxIPCFormat format)
+bool wxTCPConnection::DoAdvise(const wxString& item,
+ const void *data,
+ size_t size,
+ wxIPCFormat format)
{
- if (!m_sock->IsConnected())
- return false;
+ if ( !m_sock->IsConnected() )
+ return false;
- m_codeco->Write8(IPC_ADVISE);
- m_codeco->WriteString(item);
- m_codeco->Write8(format);
+ m_codeco->Write8(IPC_ADVISE);
+ m_codeco->WriteString(item);
+ m_codeco->Write8(format);
- m_codeco->Write32(size);
- m_sockstrm->Write(data, size);
+ m_codeco->Write32(size);
+ m_sockstrm->Write(data, size);
- return true;
+ return true;
}
// --------------------------------------------------------------------------
// --------------------------------------------------------------------------
BEGIN_EVENT_TABLE(wxTCPEventHandler, wxEvtHandler)
- EVT_SOCKET(_CLIENT_ONREQUEST_ID, wxTCPEventHandler::Client_OnRequest)
- EVT_SOCKET(_SERVER_ONREQUEST_ID, wxTCPEventHandler::Server_OnRequest)
+ EVT_SOCKET(_CLIENT_ONREQUEST_ID, wxTCPEventHandler::Client_OnRequest)
+ EVT_SOCKET(_SERVER_ONREQUEST_ID, wxTCPEventHandler::Server_OnRequest)
END_EVENT_TABLE()
void wxTCPEventHandler::Client_OnRequest(wxSocketEvent &event)
{
- wxSocketBase *sock = event.GetSocket();
- if (!sock) { /* No socket, no glory */
- return ;
- }
- wxSocketNotify evt = event.GetSocketEvent();
- wxTCPConnection *connection = (wxTCPConnection *)(sock->GetClientData());
-
- // This socket is being deleted; skip this event
- if (!connection)
- return;
-
- wxDataInputStream *codeci;
- wxDataOutputStream *codeco;
- wxSocketStream *sockstrm;
- wxString topic_name = connection->m_topic;
- wxString item;
-
- // We lost the connection: destroy everything
- if (evt == wxSOCKET_LOST)
- {
- sock->Notify(false);
- sock->Close();
- connection->OnDisconnect();
- return;
- }
-
- // Receive message number.
- codeci = connection->m_codeci;
- codeco = connection->m_codeco;
- sockstrm = connection->m_sockstrm;
- int msg = codeci->Read8();
-
- switch (msg)
- {
- case IPC_EXECUTE:
- {
- void *data;
- size_t size;
- wxIPCFormat format;
-
- format = (wxIPCFormat)codeci->Read8();
- size = codeci->Read32();
-
- data = connection->GetBufferAtLeast( size );
- wxASSERT_MSG(data != NULL,
- _T("Buffer too small in wxTCPEventHandler::Client_OnRequest") );
- sockstrm->Read(data, size);
-
- connection->OnExecute (topic_name, data, size, format);
-
- break;
- }
- case IPC_ADVISE:
- {
- item = codeci->ReadString();
- wxIPCFormat format = (wxIPCFormat)codeci->Read8();
- size_t size = codeci->Read32();
- void *data = connection->GetBufferAtLeast( size );
- wxASSERT_MSG(data != NULL,
- _T("Buffer too small in wxTCPEventHandler::Client_OnRequest") );
- sockstrm->Read(data, size);
-
- connection->OnAdvise (topic_name, item, data, size, format);
+ wxSocketBase *sock = event.GetSocket();
+ if (!sock)
+ return ;
- break;
- }
- case IPC_ADVISE_START:
- {
- item = codeci->ReadString();
+ wxSocketNotify evt = event.GetSocketEvent();
+ wxTCPConnection *connection = (wxTCPConnection *)(sock->GetClientData());
- bool ok = connection->OnStartAdvise (topic_name, item);
- if (ok)
- codeco->Write8(IPC_ADVISE_START);
- else
- codeco->Write8(IPC_FAIL);
-
- break;
- }
- case IPC_ADVISE_STOP:
- {
- item = codeci->ReadString();
-
- bool ok = connection->OnStopAdvise (topic_name, item);
- if (ok)
- codeco->Write8(IPC_ADVISE_STOP);
- else
- codeco->Write8(IPC_FAIL);
-
- break;
- }
- case IPC_POKE:
- {
- item = codeci->ReadString();
- wxIPCFormat format = (wxIPCFormat)codeci->Read8();
- size_t size = codeci->Read32();
- void *data = connection->GetBufferAtLeast( size );
- wxASSERT_MSG(data != NULL,
- _T("Buffer too small in wxTCPEventHandler::Client_OnRequest") );
- sockstrm->Read(data, size);
-
- connection->OnPoke (topic_name, item, data, size, format);
+ // This socket is being deleted; skip this event
+ if (!connection)
+ return;
- break;
- }
- case IPC_REQUEST:
- {
- wxIPCFormat format;
+ wxDataInputStream *codeci;
+ wxDataOutputStream *codeco;
+ wxSocketStream *sockstrm;
+ wxString topic_name = connection->m_topic;
+ wxString item;
- item = codeci->ReadString();
- format = (wxIPCFormat)codeci->Read8();
+ // We lost the connection: destroy everything
+ if (evt == wxSOCKET_LOST)
+ {
+ sock->Notify(false);
+ sock->Close();
+ connection->OnDisconnect();
+ return;
+ }
- size_t user_size = wxNO_LEN;
- const void *user_data = connection->OnRequest (topic_name, item, &user_size, format);
+ // Receive message number.
+ codeci = connection->m_codeci;
+ codeco = connection->m_codeco;
+ sockstrm = connection->m_sockstrm;
+ int msg = codeci->Read8();
- if (user_data)
+ switch (msg)
{
- codeco->Write8(IPC_REQUEST_REPLY);
-
- if (user_size == wxNO_LEN)
- {
- switch (format)
- {
- case wxIPC_TEXT:
- case wxIPC_UTF8TEXT:
- user_size = strlen((const char *)user_data) + 1; // includes final NUL
+ case IPC_EXECUTE:
+ {
+ void *data;
+ size_t size;
+ wxIPCFormat format;
+
+ format = (wxIPCFormat)codeci->Read8();
+ size = codeci->Read32();
+
+ data = connection->GetBufferAtLeast( size );
+ wxASSERT_MSG(data != NULL,
+ "Buffer too small in wxTCPEventHandler::Client_OnRequest" );
+ sockstrm->Read(data, size);
+
+ connection->OnExecute (topic_name, data, size, format);
+
+ break;
+ }
+ case IPC_ADVISE:
+ {
+ item = codeci->ReadString();
+ wxIPCFormat format = (wxIPCFormat)codeci->Read8();
+ size_t size = codeci->Read32();
+ void *data = connection->GetBufferAtLeast( size );
+ wxASSERT_MSG(data != NULL,
+ "Buffer too small in wxTCPEventHandler::Client_OnRequest" );
+ sockstrm->Read(data, size);
+
+ connection->OnAdvise (topic_name, item, data, size, format);
+
+ break;
+ }
+ case IPC_ADVISE_START:
+ {
+ item = codeci->ReadString();
+
+ bool ok = connection->OnStartAdvise (topic_name, item);
+ if (ok)
+ codeco->Write8(IPC_ADVISE_START);
+ else
+ codeco->Write8(IPC_FAIL);
+
+ break;
+ }
+ case IPC_ADVISE_STOP:
+ {
+ item = codeci->ReadString();
+
+ bool ok = connection->OnStopAdvise (topic_name, item);
+ if (ok)
+ codeco->Write8(IPC_ADVISE_STOP);
+ else
+ codeco->Write8(IPC_FAIL);
+
+ break;
+ }
+ case IPC_POKE:
+ {
+ item = codeci->ReadString();
+ wxIPCFormat format = (wxIPCFormat)codeci->Read8();
+ size_t size = codeci->Read32();
+ void *data = connection->GetBufferAtLeast( size );
+ wxASSERT_MSG(data != NULL,
+ "Buffer too small in wxTCPEventHandler::Client_OnRequest" );
+ sockstrm->Read(data, size);
+
+ connection->OnPoke (topic_name, item, data, size, format);
+
+ break;
+ }
+ case IPC_REQUEST:
+ {
+ wxIPCFormat format;
+
+ item = codeci->ReadString();
+ format = (wxIPCFormat)codeci->Read8();
+
+ size_t user_size = wxNO_LEN;
+ const void *user_data = connection->OnRequest(topic_name,
+ item,
+ &user_size,
+ format);
+
+ if (user_data)
+ {
+ codeco->Write8(IPC_REQUEST_REPLY);
+
+ if (user_size == wxNO_LEN)
+ {
+ switch (format)
+ {
+ case wxIPC_TEXT:
+ case wxIPC_UTF8TEXT:
+ user_size = strlen((const char *)user_data) + 1; // includes final NUL
+ break;
+ case wxIPC_UNICODETEXT:
+ user_size = (wcslen((const wchar_t *)user_data) + 1) * sizeof(wchar_t); // includes final NUL
+ break;
+ default:
+ user_size = 0;
+ }
+ }
+
+ codeco->Write32(user_size);
+ sockstrm->Write(user_data, user_size);
+ }
+ else
+ codeco->Write8(IPC_FAIL);
+
+ break;
+ }
+ case IPC_DISCONNECT:
+ {
+ sock->Notify(false);
+ sock->Close();
+ connection->SetConnected(false);
+ connection->OnDisconnect();
+ break;
+ }
+ default:
+ codeco->Write8(IPC_FAIL);
break;
- case wxIPC_UNICODETEXT:
- user_size = (wcslen((const wchar_t *)user_data) + 1) * sizeof(wchar_t); // includes final NUL
- break;
- default:
- user_size = 0;
- }
- }
-
- codeco->Write32(user_size);
- sockstrm->Write(user_data, user_size);
}
- else
- codeco->Write8(IPC_FAIL);
-
- break;
- }
- case IPC_DISCONNECT:
- {
- sock->Notify(false);
- sock->Close();
- connection->SetConnected(false);
- connection->OnDisconnect();
- break;
- }
- default:
- codeco->Write8(IPC_FAIL);
- break;
- }
}
void wxTCPEventHandler::Server_OnRequest(wxSocketEvent &event)
{
- wxSocketServer *server = (wxSocketServer *) event.GetSocket();
- if (!server) { /* No server, Then exit */
- return ;
- }
- wxTCPServer *ipcserv = (wxTCPServer *) server->GetClientData();
-
- // This socket is being deleted; skip this event
- if (!ipcserv)
- return;
-
- if (event.GetSocketEvent() != wxSOCKET_CONNECTION)
- return;
-
- // Accept the connection, getting a new socket
- wxSocketBase *sock = server->Accept();
- if (!sock) { /* No socket, no glory */
- return ;
- }
- if (!sock->Ok())
- {
- sock->Destroy();
- return;
- }
+ wxSocketServer *server = (wxSocketServer *) event.GetSocket();
+ if (!server)
+ return ;
+ wxTCPServer *ipcserv = (wxTCPServer *) server->GetClientData();
- wxSocketStream *stream = new wxSocketStream(*sock);
- wxDataInputStream *codeci = new wxDataInputStream(*stream);
- wxDataOutputStream *codeco = new wxDataOutputStream(*stream);
+ // This socket is being deleted; skip this event
+ if (!ipcserv)
+ return;
+
+ if (event.GetSocketEvent() != wxSOCKET_CONNECTION)
+ return;
- int msg;
- msg = codeci->Read8();
+ // Accept the connection, getting a new socket
+ wxSocketBase *sock = server->Accept();
+ if (!sock)
+ return ;
+ if (!sock->Ok())
+ {
+ sock->Destroy();
+ return;
+ }
- if (msg == IPC_CONNECT)
- {
- wxString topic_name;
- topic_name = codeci->ReadString();
+ wxSocketStream *stream = new wxSocketStream(*sock);
+ wxDataInputStream *codeci = new wxDataInputStream(*stream);
+ wxDataOutputStream *codeco = new wxDataOutputStream(*stream);
- wxTCPConnection *new_connection =
- (wxTCPConnection *)ipcserv->OnAcceptConnection (topic_name);
+ int msg;
+ msg = codeci->Read8();
- if (new_connection)
+ if (msg == IPC_CONNECT)
{
- if (new_connection->IsKindOf(CLASSINFO(wxTCPConnection)))
- {
- // Acknowledge success
- codeco->Write8(IPC_CONNECT);
- new_connection->m_topic = topic_name;
- new_connection->m_sock = sock;
- new_connection->m_sockstrm = stream;
- new_connection->m_codeci = codeci;
- new_connection->m_codeco = codeco;
- sock->SetEventHandler(*gs_handler, _CLIENT_ONREQUEST_ID);
- sock->SetClientData(new_connection);
- sock->SetNotify(wxSOCKET_INPUT_FLAG | wxSOCKET_LOST_FLAG);
- sock->Notify(true);
- return;
- }
- else
- {
- delete new_connection;
- // and fall through to delete everything else
- }
+ wxString topic_name;
+ topic_name = codeci->ReadString();
+
+ wxTCPConnection *new_connection =
+ (wxTCPConnection *)ipcserv->OnAcceptConnection (topic_name);
+
+ if (new_connection)
+ {
+ if (new_connection->IsKindOf(CLASSINFO(wxTCPConnection)))
+ {
+ // Acknowledge success
+ codeco->Write8(IPC_CONNECT);
+ new_connection->m_topic = topic_name;
+ new_connection->m_sock = sock;
+ new_connection->m_sockstrm = stream;
+ new_connection->m_codeci = codeci;
+ new_connection->m_codeco = codeco;
+ sock->SetEventHandler(*gs_handler, _CLIENT_ONREQUEST_ID);
+ sock->SetClientData(new_connection);
+ sock->SetNotify(wxSOCKET_INPUT_FLAG | wxSOCKET_LOST_FLAG);
+ sock->Notify(true);
+ return;
+ }
+ else
+ {
+ delete new_connection;
+ // and fall through to delete everything else
+ }
+ }
}
- }
- // Something went wrong, send failure message and delete everything
- codeco->Write8(IPC_FAIL);
+ // Something went wrong, send failure message and delete everything
+ codeco->Write8(IPC_FAIL);
- delete codeco;
- delete codeci;
- delete stream;
- sock->Destroy();
+ delete codeco;
+ delete codeci;
+ delete stream;
+ sock->Destroy();
}
// --------------------------------------------------------------------------
class wxTCPEventHandlerModule: public wxModule
{
- DECLARE_DYNAMIC_CLASS(wxTCPEventHandlerModule)
-
public:
- bool OnInit() { gs_handler = new wxTCPEventHandler(); return true; }
- void OnExit() { wxDELETE(gs_handler); }
+ virtual bool OnInit() { gs_handler = new wxTCPEventHandler; return true; }
+ virtual void OnExit() { wxDELETE(gs_handler); }
+
+ DECLARE_DYNAMIC_CLASS(wxTCPEventHandlerModule)
};
IMPLEMENT_DYNAMIC_CLASS(wxTCPEventHandlerModule, wxModule)
-
-#endif
- // wxUSE_SOCKETS && wxUSE_IPC && wxUSE_STREAMS
+#endif // wxUSE_SOCKETS && wxUSE_IPC && wxUSE_STREAMS
projects / wxWidgets.git / commitdiff
