X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/fcc6dddd1f1da49f94767ff148eaa3f1d3ca9367..8e3f12618963afb2d52b06f8d4a0134a34e802a2:/src/common/sckipc.cpp

diff --git a/src/common/sckipc.cpp b/src/common/sckipc.cpp
index 4532de83a8..c532acbbee 100644
--- a/src/common/sckipc.cpp
+++ b/src/common/sckipc.cpp
@@ -1,11 +1,14 @@
 /////////////////////////////////////////////////////////////////////////////
 // Name:        sckipc.cpp
 // Purpose:     Interprocess communication implementation (wxSocket version)
-// Author:      Julian Smart, Guilhem Lavaux
+// Author:      Julian Smart
 // Modified by: Guilhem Lavaux (big rewrite) May 1997, 1998
+//              Guillermo Rodriguez (updated for wxSocket v2) Jan 2000
 // Created:     1993
 // RCS-ID:      $Id$
-// Copyright:   (c) Julian Smart 1993, Guilhem Lavaux 1997, 1998
+// Copyright:   (c) Julian Smart 1993
+//              (c) Guilhem Lavaux 1997, 1998
+//              (c) 2000 Guillermo Rodriguez <guille@iies.es>
 // Licence:     wxWindows license
 /////////////////////////////////////////////////////////////////////////////
 
@@ -21,23 +24,25 @@
 #endif
 
 #ifndef WX_PRECOMP
+#include "wx/defs.h"
 #endif
 
+#if wxUSE_SOCKETS 
+
 #include <stdlib.h>
 #include <stdio.h>
 
 #include "wx/socket.h"
 #include "wx/sckipc.h"
+#include "wx/log.h"
 
 #ifdef __BORLANDC__
 #pragma hdrstop
 #endif
 
-#if !USE_SHARED_LIBRARY
 IMPLEMENT_DYNAMIC_CLASS(wxTCPServer, wxServerBase)
 IMPLEMENT_DYNAMIC_CLASS(wxTCPClient, wxClientBase)
-IMPLEMENT_DYNAMIC_CLASS(wxTCPConnection, wxConnectionBase)
-#endif
+IMPLEMENT_CLASS(wxTCPConnection, wxConnectionBase)
 
 // It seems to be already defined somewhere in the Xt includes.
 #ifndef __XT__
@@ -58,22 +63,27 @@ enum {
 #endif
 
 void Server_OnRequest(wxSocketServer& server,
-		      wxSocketBase::wxRequestEvent evt,
-		      char *cdata);
+                      wxSocketNotify evt,
+                      char *cdata);
 void Client_OnRequest(wxSocketBase& sock,
-		      wxSocketBase::wxRequestEvent evt,
-		      char *cdata);
+                      wxSocketNotify evt,
+                      char *cdata);
+
+
+// All sockets will be created with the following flags
+
+#define SCKIPC_FLAGS wxSOCKET_NONE
 
 // ---------------------------------------------------------------------------
 // wxTCPClient
 // ---------------------------------------------------------------------------
 
-wxTCPClient::wxTCPClient (void)
+wxTCPClient::wxTCPClient ()
   : wxClientBase()
 {
 }
 
-wxTCPClient::~wxTCPClient (void)
+wxTCPClient::~wxTCPClient ()
 {
 }
 
@@ -88,51 +98,59 @@ wxConnectionBase *wxTCPClient::MakeConnection (const wxString& host,
                                                const wxString& server_name,
                                                const wxString& topic)
 {
-  wxIPV4address addr;
-  wxSocketHandler *hsock = &wxSocketHandler::Master();
-  wxSocketClient *client = hsock->CreateClient();
+  wxSocketClient *client = new wxSocketClient(SCKIPC_FLAGS);
   wxSocketStream *stream = new wxSocketStream(*client);
-  wxDataStream data_s(*stream);
-  
-  client->SetNotify(wxSocketBase::REQ_READ | wxSocketBase::REQ_LOST);
+  wxDataInputStream *data_is = new wxDataInputStream(*stream);
+  wxDataOutputStream *data_os = new wxDataOutputStream(*stream);
+
+  wxIPV4address addr;
   addr.Service(server_name);
   addr.Hostname(host);
 
-  if (!client->Connect(addr)) {
-    delete client;
-    return NULL;
-  }
-  client->Notify(FALSE);
-
-  // Send topic name, and enquire whether this has succeeded
-  unsigned char msg;
+  if (client->Connect(addr))
+  {
+    unsigned char msg;
   
-  data_s.Write8(IPC_CONNECT);
-  data_s.WriteString(topic);
+    // Send topic name, and enquire whether this has succeeded
+    data_os->Write8(IPC_CONNECT);
+    data_os->WriteString(topic);
   
-  msg = data_s.Read8();
-  
-  // OK! Confirmation.
-  if (msg == IPC_CONNECT) {
-    wxTCPConnection *connection = (wxTCPConnection *)OnMakeConnection ();
-    if (connection) {
-      if (!connection->IsKindOf(CLASSINFO(wxTCPConnection))) {
-        delete connection;
-        return NULL;
+    msg = data_is->Read8();
+
+    // OK! Confirmation.
+    if (msg == IPC_CONNECT)
+    {
+      wxTCPConnection *connection = (wxTCPConnection *)OnMakeConnection ();
+
+      if (connection)
+      {
+        if (!connection->IsKindOf(CLASSINFO(wxTCPConnection)))
+        {
+          delete connection;
+          // and fall through to delete everything else
+        }
+        else
+        {
+          connection->m_topic = topic;
+          connection->m_sock  = client;
+          connection->m_sockstrm = stream;
+          connection->m_codeci = data_is;
+          connection->m_codeco = data_os;
+          client->Callback(Client_OnRequest);
+          client->CallbackData((char *)connection);
+          client->SetNotify(wxSOCKET_INPUT_FLAG | wxSOCKET_LOST_FLAG);
+          client->Notify(TRUE);
+          return connection;
+        }
       }
-      connection->m_topic = topic;
-      client->Callback(Client_OnRequest);
-      client->CallbackData((char *)connection);
-      client->Notify(TRUE);
-      return connection;
-    } else {
-      delete client;
-      return NULL;
     }
-  } else {
-    delete client;
-    return NULL;
   }
+
+  // something went wrong
+  delete data_is;
+  delete data_os;
+  delete stream;
+  delete client;
   return NULL;
 }
 
@@ -145,34 +163,34 @@ wxConnectionBase *wxTCPClient::OnMakeConnection()
 // wxTCPServer
 // ---------------------------------------------------------------------------
 
-wxTCPServer::wxTCPServer (void)
+wxTCPServer::wxTCPServer ()
   : wxServerBase()
 {
 }
 
 bool wxTCPServer::Create(const wxString& server_name)
 {
-  wxIPV4address addr;
-  wxSocketHandler *hsock = &wxSocketHandler::Master();
   wxSocketServer *server;
 
+  // wxIPV4address defaults to INADDR_ANY:0
+  wxIPV4address addr;
   addr.Service(server_name);
 
   // Create a socket listening on specified port
-  server = hsock->CreateServer(addr);
+  server = new wxSocketServer(addr, SCKIPC_FLAGS);
   server->Callback((wxSocketBase::wxSockCbk)Server_OnRequest);
-  server->SetNotify(wxSocketBase::REQ_ACCEPT);
-
   server->CallbackData((char *)this);
+  server->SetNotify(wxSOCKET_CONNECTION_FLAG);
+  server->Notify(TRUE);
 
   return TRUE;
 }
 
-wxTCPServer::~wxTCPServer (void)
+wxTCPServer::~wxTCPServer()
 {
 }
 
-wxConnectionBase *wxTCPServer::OnAcceptConnection(const wxString& topic)
+wxConnectionBase *wxTCPServer::OnAcceptConnection( const wxString& WXUNUSED(topic) )
 {
   return new wxTCPConnection();
 }
@@ -181,74 +199,80 @@ wxConnectionBase *wxTCPServer::OnAcceptConnection(const wxString& topic)
 // wxTCPConnection
 // ---------------------------------------------------------------------------
 
-wxTCPConnection::wxTCPConnection (void)
+wxTCPConnection::wxTCPConnection ()
   : wxConnectionBase(),
-    m_sock(NULL), m_sockstrm(NULL), m_codec(NULL)
+    m_sock(NULL), m_sockstrm(NULL), m_codeci(NULL), m_codeco(NULL)
 {
 }
 
-wxTCPConnection::~wxTCPConnection (void)
+wxTCPConnection::wxTCPConnection(char * WXUNUSED(buffer), int WXUNUSED(size))
+{
+}
+
+wxTCPConnection::~wxTCPConnection ()
 {
   wxDELETE(m_sock);
-  wxDELETE(m_codec);
+  wxDELETE(m_codeci);
+  wxDELETE(m_codeco);
   wxDELETE(m_sockstrm);
 }
 
-void wxTCPConnection::Compress(bool on)
+void wxTCPConnection::Compress(bool WXUNUSED(on))
 {
   // Use wxLZWStream
 }
 
 // Calls that CLIENT can make.
-bool wxTCPConnection::Disconnect (void)
+bool wxTCPConnection::Disconnect ()
 {
   // Send the the disconnect message to the peer.
-  m_codec->Write8(IPC_DISCONNECT);
+  m_codeco->Write8(IPC_DISCONNECT);
   m_sock->Close();
 
   return TRUE;
 }
 
-bool wxTCPConnection::Execute (char *data, int size, wxDataFormat format)
+bool wxTCPConnection::Execute(const wxChar *data, int size, wxIPCFormat format)
 {
   if (!m_sock->IsConnected())
     return FALSE;
 
   // Prepare EXECUTE message
-  m_codec->Write8(IPC_EXECUTE);
-  m_codec->Write8(format);
+  m_codeco->Write8(IPC_EXECUTE);
+  m_codeco->Write8(format);
+
   if (size < 0)
-    m_codec->WriteString(data);
-  else {
-    m_codec->Write32(size);
-    m_codec->Write(data, size);
-  }
+    size = strlen(data) + 1;    // includes final NUL
+
+  m_codeco->Write32(size);
+  m_sockstrm->Write(data, size);
 
   return TRUE;
 }
 
-char *wxTCPConnection::Request (const wxString& item, int *size, wxDataFormat format)
+char *wxTCPConnection::Request (const wxString& item, int *size, wxIPCFormat format)
 {
   if (!m_sock->IsConnected())
     return NULL;
 
-  m_codec->Write8(IPC_REQUEST);
-  m_codec->WriteString(item);
-  m_codec->Write8(format);
+  m_codeco->Write8(IPC_REQUEST);
+  m_codeco->WriteString(item);
+  m_codeco->Write8(format);
 
   // If Unpack doesn't initialize it.
   int ret;
 
-  ret = m_codec->Read8();
+  ret = m_codeci->Read8();
   if (ret == IPC_FAIL)
     return NULL;
-  else {
+  else
+  {
     size_t s;
     char *data = NULL;
 
-    s = m_codec->Read32();
+    s = m_codeci->Read32();
     data = new char[s];
-    m_codec->Read(data, s);
+    m_sockstrm->Read(data, s);
 
     if (size)
       *size = s;
@@ -256,20 +280,20 @@ char *wxTCPConnection::Request (const wxString& item, int *size, wxDataFormat fo
   }
 }
 
-bool wxTCPConnection::Poke (const wxString& item, char *data, int size, wxDataFormat format)
+bool wxTCPConnection::Poke (const wxString& item, wxChar *data, int size, wxIPCFormat format)
 {
   if (!m_sock->IsConnected())
     return FALSE;
 
-  m_codec->Write8(IPC_POKE);
-  m_codec->WriteString(item);
-  m_codec->Write8(format);
+  m_codeco->Write8(IPC_POKE);
+  m_codeco->WriteString(item);
+  m_codeco->Write8(format);
+
   if (size < 0)
-    m_codec->WriteString(data);
-  else {
-    m_codec->Write32(size);
-    m_codec->Write(data, size);
-  }
+    size = strlen(data) + 1;    // includes final NUL
+
+  m_codeco->Write32(size);
+  m_sockstrm->Write(data, size);
 
   return TRUE;
 }
@@ -281,10 +305,10 @@ bool wxTCPConnection::StartAdvise (const wxString& item)
   if (!m_sock->IsConnected())
     return FALSE;
 
-  m_codec->Write8(IPC_ADVISE_START);
-  m_codec->WriteString(item);
+  m_codeco->Write8(IPC_ADVISE_START);
+  m_codeco->WriteString(item);
 
-  ret = m_codec->Read8();
+  ret = m_codeci->Read8();
 
   if (ret != IPC_FAIL)
     return TRUE;
@@ -299,10 +323,10 @@ bool wxTCPConnection::StopAdvise (const wxString& item)
   if (!m_sock->IsConnected())
     return FALSE;
 
-  m_codec->Write8(IPC_ADVISE_STOP);
-  m_codec->WriteString(item);
+  m_codeco->Write8(IPC_ADVISE_STOP);
+  m_codeco->WriteString(item);
 
-  msg = m_codec->Read8();
+  msg = m_codeci->Read8();
 
   if (msg != IPC_FAIL)
     return TRUE;
@@ -312,108 +336,119 @@ bool wxTCPConnection::StopAdvise (const wxString& item)
 
 // Calls that SERVER can make
 bool wxTCPConnection::Advise (const wxString& item,
-                              char *data, int size, wxDataFormat format)
+                              wxChar *data, int size, wxIPCFormat format)
 {
   if (!m_sock->IsConnected())
     return FALSE;
 
-  m_codec->Write8(IPC_ADVISE);
-  m_codec->WriteString(item);
-  m_codec->Write8(format);
+  m_codeco->Write8(IPC_ADVISE);
+  m_codeco->WriteString(item);
+  m_codeco->Write8(format);
+
   if (size < 0)
-    m_codec->WriteString(data);
-  else {
-    m_codec->Write32(size);
-    m_codec->Write(data, size);
-  }
+    size = strlen(data) + 1;    // includes final NUL
+
+  m_codeco->Write32(size);
+  m_sockstrm->Write(data, size);
 
   return TRUE;
 }
 
-void Client_OnRequest(wxSocketBase& sock, wxSocketBase::wxRequestEvent evt,
+void Client_OnRequest(wxSocketBase& sock, wxSocketNotify evt,
 		      char *cdata)
 {
   int msg = 0;
   wxTCPConnection *connection = (wxTCPConnection *)cdata;
-  wxDataStream *codec;
+  wxDataInputStream *codeci;
+  wxDataOutputStream *codeco; 
+  wxSocketStream *sockstrm;
   wxString topic_name = connection->m_topic;
   wxString item;
 
   // The socket handler signals us that we lost the connection: destroy all.
-  if (evt == wxSocketBase::EVT_LOST) {
+  if (evt == wxSOCKET_LOST)
+  {
     sock.Close();
     connection->OnDisconnect();
     return;
   }
 
   // Receive message number.
-  codec = connection->m_codec;
-  msg = codec->Read8();
-
-  switch (msg) {
-  case IPC_EXECUTE: {
+  codeci = connection->m_codeci;
+  codeco = connection->m_codeco;
+  sockstrm = connection->m_sockstrm;
+  msg = codeci->Read8();
+
+  switch (msg)
+  {
+  case IPC_EXECUTE:
+  {
     char *data;
     size_t size; 
-    wxDataFormat format;
+    wxIPCFormat format;
     
-    format = (wxDataFormat)codec->Read8();
-    size = codec->Read32();
+    format = (wxIPCFormat)codeci->Read8();
+    size = codeci->Read32();
     data = new char[size];
-    codec->Read(data, size);
+    sockstrm->Read(data, size);
 
     connection->OnExecute (topic_name, data, size, format);
 
     delete [] data;
     break;
   }
-  case IPC_ADVISE: {
+  case IPC_ADVISE:
+  {
     char *data;
     size_t size;
-    wxDataFormat format;
+    wxIPCFormat format;
 
-    item = codec->ReadString();
-    format = (wxDataFormat)codec->Read8();
-    size = codec->Read32();
+    item = codeci->ReadString();
+    format = (wxIPCFormat)codeci->Read8();
+    size = codeci->Read32();
     data = new char[size];
-    codec->Read(data, size);
+    sockstrm->Read(data, size);
     
     connection->OnAdvise (topic_name, item, data, size, format);
 
     delete [] data;
     break;
   }
-  case IPC_ADVISE_START: {
-    item = codec->ReadString();
+  case IPC_ADVISE_START:
+  {
+    item = codeci->ReadString();
 
     bool ok = connection->OnStartAdvise (topic_name, item);
     if (ok)
-      codec->Write8(IPC_ADVISE_START);
+      codeco->Write8(IPC_ADVISE_START);
     else
-      codec->Write8(IPC_FAIL);
+      codeco->Write8(IPC_FAIL);
 
     break;
   }
-  case IPC_ADVISE_STOP: {
-    item = codec->ReadString();
+  case IPC_ADVISE_STOP:
+  {
+    item = codeci->ReadString();
 
     bool ok = connection->OnStopAdvise (topic_name, item);
     if (ok)
-      codec->Write8(IPC_ADVISE_STOP);
+      codeco->Write8(IPC_ADVISE_STOP);
     else
-      codec->Write8(IPC_FAIL);
+      codeco->Write8(IPC_FAIL);
 
     break;
   }
-  case IPC_POKE: {
-    wxDataFormat format;
+  case IPC_POKE:
+  {
+    wxIPCFormat format;
     size_t size;
-    char *data;
+    wxChar *data;
 
-    item = codec->ReadString();
-    format = (wxDataFormat)codec->Read8();
-    size = codec->Read32();
-    data = new char[size];
-    codec->Read(data, size);
+    item = codeci->ReadString();
+    format = (wxIPCFormat)codeci->Read8();
+    size = codeci->Read32();
+    data = new wxChar[size];
+    sockstrm->Read(data, size);
     
     connection->OnPoke (topic_name, item, data, size, format);
 
@@ -421,87 +456,101 @@ void Client_OnRequest(wxSocketBase& sock, wxSocketBase::wxRequestEvent evt,
 
     break;
   }
-  case IPC_REQUEST: {
-    wxDataFormat format;
+  case IPC_REQUEST:
+  {
+    wxIPCFormat format;
 
-    item = codec->ReadString();
-    format = (wxDataFormat)codec->Read8();
+    item = codeci->ReadString();
+    format = (wxIPCFormat)codeci->Read8();
 
     int user_size = -1;
     char *user_data = connection->OnRequest (topic_name, item, &user_size, format);
 
-    if (user_data) {
-      codec->Write8(IPC_REQUEST_REPLY);
-      if (user_size != -1) {
-        codec->Write32(user_size);
-        codec->Write(user_data, user_size);
-      } else
-        codec->WriteString(user_data);
-    } else
-      codec->Write8(IPC_FAIL);
+    if (user_data)
+    {
+      codeco->Write8(IPC_REQUEST_REPLY);
+
+      if (user_size == -1)
+        user_size = strlen(user_data) + 1;      // includes final NUL
+
+      codeco->Write32(user_size);
+      sockstrm->Write(user_data, user_size);
+    }
+    else
+      codeco->Write8(IPC_FAIL);
 
     break;
   }
-  case IPC_DISCONNECT: {
+  case IPC_DISCONNECT:
+  {
     sock.Close();
     connection->OnDisconnect();
     break;
   }
   default:
-    codec->Write8(IPC_FAIL);
+    codeco->Write8(IPC_FAIL);
     break;
   }
 }
 
 void Server_OnRequest(wxSocketServer& server,
-		      wxSocketBase::wxRequestEvent evt, char *cdata)
+		      wxSocketNotify evt, char *cdata)
 {
   wxTCPServer *ipcserv = (wxTCPServer *)cdata;
   wxSocketStream *stream;
-  wxDataStream *codec;
+  wxDataInputStream *codeci;
+  wxDataOutputStream *codeco;
 
-  if (evt != wxSocketBase::EVT_ACCEPT)
+  if (evt != wxSOCKET_CONNECTION)
     return;
 
   /* Accept the connection, getting a new socket */
   wxSocketBase *sock = server.Accept();
-  sock->Notify(FALSE);
-  sock->SetNotify(wxSocketBase::REQ_READ | wxSocketBase::REQ_LOST);
-
-  stream = new wxSocketStream(*sock);
-  codec = new wxDataStream(*stream);
-
   if (!sock->Ok())
     return;
 
+  stream = new wxSocketStream(*sock);
+  codeci = new wxDataInputStream(*stream);
+  codeco = new wxDataOutputStream(*stream);
+
   int msg;
-  msg = codec->Read8();
+  msg = codeci->Read8();
 
-  if (msg == IPC_CONNECT) {
+  if (msg == IPC_CONNECT)
+  {
     wxString topic_name;
-    topic_name = codec->ReadString();
+    topic_name = codeci->ReadString();
 
     /* Register new socket with the notifier */
     wxTCPConnection *new_connection =
          (wxTCPConnection *)ipcserv->OnAcceptConnection (topic_name);
-    if (new_connection) {
-      if (!new_connection->IsKindOf(CLASSINFO(wxTCPConnection))) {
+    if (new_connection)
+    {
+      if (!new_connection->IsKindOf(CLASSINFO(wxTCPConnection)))
+      {
         delete new_connection;
-        codec->Write8(IPC_FAIL);
+        codeco->Write8(IPC_FAIL);
         return;
       }
       // Acknowledge success
-      codec->Write8(IPC_CONNECT);
-      
+      codeco->Write8(IPC_CONNECT);
       new_connection->m_topic = topic_name;
+      new_connection->m_sock = sock;      
       new_connection->m_sockstrm = stream;
-      new_connection->m_codec = codec;
+      new_connection->m_codeci = codeci;
+      new_connection->m_codeco = codeco;
       sock->Callback(Client_OnRequest);
       sock->CallbackData((char *)new_connection);
+      sock->SetNotify(wxSOCKET_INPUT_FLAG | wxSOCKET_LOST_FLAG);
       sock->Notify(TRUE);
-    } else {
+    }
+    else
+    {
       // Send failure message
-      codec->Write8(IPC_FAIL);
+      codeco->Write8(IPC_FAIL);
     }
   }
 }
+
+#endif
+  // wxUSE_SOCKETS