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[wxWidgets.git] / interface / wx / ipc.h

diff --git a/interface/wx/ipc.h b/interface/wx/ipc.h
index ac6187f12cc0b594ae59f6f786b1023faeff3f4d..ecf8d9d73f5b57da67584d3e9829a95a8006a924 100644 (file)
--- a/interface/wx/ipc.h
+++ b/interface/wx/ipc.h
@@ -3,53 +3,53 @@
 // Purpose:     interface of wxConnection
 // Author:      wxWidgets team
 // RCS-ID:      $Id$
 // Purpose:     interface of wxConnection
 // Author:      wxWidgets team
 // RCS-ID:      $Id$

-// Licence:     wxWindows license
+// Licence:     wxWindows licence

 /////////////////////////////////////////////////////////////////////////////
 
 /**
     @class wxConnection
 
 /////////////////////////////////////////////////////////////////////////////
 
 /**
     @class wxConnection
 

-    A wxConnection object represents the connection between a client
-    and a server. It is created by making a connection using a
-    wxClient object, or by the acceptance of a
-    connection by a wxServer object. The
-    bulk of a DDE-like (Dynamic Data Exchange) conversation is
-    controlled by calling members in a @b wxConnection object or
-    by overriding its members. The actual DDE-based implementation
-    using wxDDEConnection is available on Windows only, but a
-    platform-independent, socket-based version of this API is
+    A wxConnection object represents the connection between a client and a server.
+    It is created by making a connection using a wxClient object, or by the acceptance
+    of a connection by a wxServer object.
+
+    The bulk of a DDE-like (Dynamic Data Exchange) conversation is controlled by
+    calling members in a @b wxConnection object or by overriding its members.
+    The actual DDE-based implementation using wxDDEConnection is available on
+    Windows only, but a platform-independent, socket-based version of this API is

     available using wxTCPConnection, which has the same API.
 
     available using wxTCPConnection, which has the same API.
 

-    An application should normally derive a new connection class from
-    wxConnection, in order to override the communication event
-    handlers to do something interesting.
+    An application should normally derive a new connection class from wxConnection,
+    in order to override the communication event handlers to do something interesting.

 
     @library{wxbase}
 
     @library{wxbase}

-    @category{FIXME}
+    @category{ipc}

 
 

-    @see wxClient, wxServer, @ref overview_ipcoverview "Interprocess communications
-    overview"
+    @see wxClient, wxServer, @ref overview_ipc

 */
 class wxConnection : public wxObject
 {
 public:
     //@{
     /**
 */
 class wxConnection : public wxObject
 {
 public:
     //@{
     /**

-        Constructs a connection object. If no user-defined connection
-        object is to be derived from wxConnection, then the constructor
-        should not be called directly, since the default connection
-        object will be provided on requesting (or accepting) a
-        connection. However, if the user defines his or her own derived
-        connection object, the wxServer::OnAcceptConnection
-        and/or wxClient::OnMakeConnection
+        Constructs a connection object.
+
+        If no user-defined connection object is to be derived from wxConnection,
+        then the constructor should not be called directly, since the default connection
+        object will be provided on requesting (or accepting) a connection.
+
+        However, if the user defines his or her own derived connection object,
+        the wxServer::OnAcceptConnection and/or wxClient::OnMakeConnection

         members should be replaced by functions which construct the new
         connection object.
         members should be replaced by functions which construct the new
         connection object.

+

         If the arguments of the wxConnection constructor are void then
         the wxConnection object manages its own connection buffer,
         allocating memory as needed. A programmer-supplied buffer cannot
         be increased if necessary, and the program will assert if it is
         If the arguments of the wxConnection constructor are void then
         the wxConnection object manages its own connection buffer,
         allocating memory as needed. A programmer-supplied buffer cannot
         be increased if necessary, and the program will assert if it is

-        not large enough. The programmer-supplied buffer is included
-        mainly for backwards compatibility.
+        not large enough.
+
+        The programmer-supplied buffer is included mainly for backwards compatibility.

     */
     wxConnection();
     wxConnection(void* buffer, size_t size);
     */
     wxConnection();
     wxConnection(void* buffer, size_t size);


@@ -59,8 +59,9 @@ public:
     /**
         Called by the server application to advise the client of a change
         in the data associated with the given item. Causes the client
     /**
         Called by the server application to advise the client of a change
         in the data associated with the given item. Causes the client

-        connection's OnAdvise() member
-        to be called. Returns @true if successful.
+        connection's OnAdvise() member to be called.
+
+        @return @true if successful.

     */
     bool Advise(const wxString& item, const void* data, size_t size,
                 wxIPCFormat format = wxIPC_PRIVATE);
     */
     bool Advise(const wxString& item, const void* data, size_t size,
                 wxIPCFormat format = wxIPC_PRIVATE);


@@ -71,20 +72,20 @@ public:
 
     /**
         Called by the client or server application to disconnect from the
 
     /**
         Called by the client or server application to disconnect from the

-        other program; it causes the OnDisconnect()
-        message to be sent to the corresponding connection object in the
-        other program. Returns @true if successful or already disconnected.
-        The application that calls @b Disconnect must explicitly delete
+        other program; it causes the OnDisconnect() message to be sent to the
+        corresponding connection object in the other program.
+
+        Returns @true if successful or already disconnected.
+        The application that calls Disconnect() must explicitly delete

         its side of the connection.
     */
     bool Disconnect();
 
     //@{
     /**
         its side of the connection.
     */
     bool Disconnect();
 
     //@{
     /**

-        Called by the client application to execute a command on the
-        server. Can also be used to transfer arbitrary data to the server
-        (similar to Poke() in
-        that respect). Causes the server connection's OnExec()
+        Called by the client application to execute a command on the server.
+        Can also be used to transfer arbitrary data to the server (similar to
+        Poke() in that respect). Causes the server connection's OnExec()

         member to be called. Returns @true if successful.
     */
     bool Execute(const void* data, size_t size,
         member to be called. Returns @true if successful.
     */
     bool Execute(const void* data, size_t size,


@@ -95,9 +96,8 @@ public:
     //@}
 
     /**
     //@}
 
     /**

-        Message sent to the client application when the server notifies
-        it of a change in the data associated with the given item, using
-        Advise().
+        Message sent to the client application when the server notifies it of a
+        change in the data associated with the given item, using Advise().

     */
     virtual bool OnAdvise(const wxString& topic,
                           const wxString& item,
     */
     virtual bool OnAdvise(const wxString& topic,
                           const wxString& item,


@@ -107,17 +107,19 @@ public:
 
     /**
         Message sent to the client or server application when the other
 
     /**
         Message sent to the client or server application when the other

-        application notifies it to end the connection. The default
-        behaviour is to delete the connection object and return @true, so
-        applications should generally override @b OnDisconnect
-        (finally calling the inherited method as well) so that they know
-        the connection object is no longer available.
+        application notifies it to end the connection.
+
+        The default behaviour is to delete the connection object and return @true,
+        so applications should generally override OnDisconnect() (finally calling
+        the inherited method as well) so that they know the connection object is
+        no longer available.

     */
     virtual bool OnDisconnect();
 
     /**
         Message sent to the server application when the client notifies
         it to execute the given data, using Execute().
     */
     virtual bool OnDisconnect();
 
     /**
         Message sent to the server application when the client notifies
         it to execute the given data, using Execute().

+

         Note that there is no item associated with this message.
     */
     virtual bool OnExec(const wxString& topic, const wxString& data);
         Note that there is no item associated with this message.
     */
     virtual bool OnExec(const wxString& topic, const wxString& data);


@@ -132,12 +134,11 @@ public:
                         wxIPCFormat format);
 
     /**
                         wxIPCFormat format);
 
     /**

-        Message sent to the server application when the client calls
-        Request(). The
-        server's OnRequest() method
-        should respond by returning a character string, or @NULL to
-        indicate no data, and setting *size. The character string must of
-        course persist after the call returns.
+        Message sent to the server application when the client calls Request().
+        The server's OnRequest() method should respond by returning a character
+        string, or @NULL to indicate no data, and setting *size.
+
+        The character string must of course persist after the call returns.

     */
     virtual const void* OnRequest(const wxString& topic,
                                   const wxString& item,
     */
     virtual const void* OnRequest(const wxString& topic,
                                   const wxString& item,


@@ -146,16 +147,16 @@ public:
 
     /**
         Message sent to the server application by the client, when the client
 
     /**
         Message sent to the server application by the client, when the client

-        wishes to start an 'advise loop' for the given topic and item. The
-        server can refuse to participate by returning @false.
+        wishes to start an 'advise loop' for the given topic and item.
+        The server can refuse to participate by returning @false.

     */
     virtual bool OnStartAdvise(const wxString& topic,
                                const wxString& item);
 
     /**
         Message sent to the server application by the client, when the client
     */
     virtual bool OnStartAdvise(const wxString& topic,
                                const wxString& item);
 
     /**
         Message sent to the server application by the client, when the client

-        wishes to stop an 'advise loop' for the given topic and item. The
-        server can refuse to stop the advise loop by returning @false, although
+        wishes to stop an 'advise loop' for the given topic and item.
+        The server can refuse to stop the advise loop by returning @false, although

         this doesn't have much meaning in practice.
     */
     virtual bool OnStopAdvise(const wxString& topic,
         this doesn't have much meaning in practice.
     */
     virtual bool OnStopAdvise(const wxString& topic,


@@ -164,10 +165,10 @@ public:
     //@{
     /**
         Called by the client application to poke data into the server.
     //@{
     /**
         Called by the client application to poke data into the server.

-        Can be used to transfer arbitrary data to the server. Causes the
-        server connection's OnPoke() member to
-        be called. If size is -1 the size is computed from the string
-        length of data.
+        Can be used to transfer arbitrary data to the server.
+        Causes the server connection's OnPoke() member to be called.
+        If size is -1 the size is computed from the string length of data.
+

         Returns @true if successful.
     */
     bool Poke(const wxString& item, const void* data, size_t size,
         Returns @true if successful.
     */
     bool Poke(const wxString& item, const void* data, size_t size,


@@ -179,34 +180,31 @@ public:
 
     /**
         Called by the client application to request data from the server.
 
     /**
         Called by the client application to request data from the server.

-        Causes the server connection's OnRequest()
-        member to be called. Size may be @NULL or a pointer to a variable
-        to receive the size of the requested item.
-        Returns a character string (actually a pointer to the
-        connection's buffer) if successful, @NULL otherwise. This buffer
-        does not need to be deleted.
+        Causes the server connection's OnRequest() member to be called.
+        Size may be @NULL or a pointer to a variable to receive the size of the
+        requested item.
+
+        Returns a character string (actually a pointer to the connection's buffer)
+        if successful, @NULL otherwise. This buffer does not need to be deleted.

     */
     const void* Request(const wxString& item, size_t* size,
                         wxIPCFormat format = wxIPC_TEXT);
 
     /**
     */
     const void* Request(const wxString& item, size_t* size,
                         wxIPCFormat format = wxIPC_TEXT);
 
     /**

-        Called by the client application to ask if an advise loop can be
-        started with the server. Causes the server connection's
-        OnStartAdvise()
-        member to be called. Returns @true if the server okays it, @false
-        otherwise.
+        Called by the client application to ask if an advise loop can be started
+        with the server. Causes the server connection's OnStartAdvise()
+        member to be called.
+        Returns @true if the server okays it, @false otherwise.

     */
     bool StartAdvise(const wxString& item);
 
     /**
     */
     bool StartAdvise(const wxString& item);
 
     /**

-        Called by the client application to ask if an advise loop can be
-        stopped. Causes the server connection's OnStopAdvise()
-        member to be called. Returns @true if the server okays it, @false
-        otherwise.
+        Called by the client application to ask if an advise loop can be stopped.
+        Causes the server connection's OnStopAdvise() member to be called.
+        Returns @true if the server okays it, @false otherwise.

     */
     bool StopAdvise(const wxString& item);
 
     */
     bool StopAdvise(const wxString& item);
 

-

     /**
         Returns true if the format is one of the text formats.
 
     /**
         Returns true if the format is one of the text formats.
 


@@ -239,27 +237,24 @@ public:
     @class wxClient
 
     A wxClient object represents the client part of a client-server
     @class wxClient
 
     A wxClient object represents the client part of a client-server

-    DDE-like (Dynamic Data Exchange) conversation. The actual
-    DDE-based implementation using wxDDEClient is available on Windows
-    only, but a platform-independent, socket-based version of this
-    API is available using wxTCPClient, which has the same API.
-
-    To create a client which can communicate with a suitable server,
-    you need to derive a class from wxConnection and another from
-    wxClient. The custom wxConnection class will intercept
-    communications in a 'conversation' with a server, and the custom
-    wxClient is required so that a user-overridden
-    wxClient::OnMakeConnection
-    member can return a wxConnection of the required class, when a
-    connection is made. Look at the IPC sample and the
-    @ref overview_ipcoverview "Interprocess communications overview" for
-    an example of how to do this.
+    DDE-like (Dynamic Data Exchange) conversation.
+    The actual DDE-based implementation using wxDDEClient is available on Windows
+    only, but a platform-independent, socket-based version of this API is available
+    using wxTCPClient, which has the same API.
+
+    To create a client which can communicate with a suitable server, you need to
+    derive a class from wxConnection and another from wxClient.
+    The custom wxConnection class will intercept communications in a 'conversation'
+    with a server, and the custom wxClient is required so that a user-overridden
+    wxClient::OnMakeConnection member can return a wxConnection of the required
+    class, when a connection is made.
+
+    Look at the IPC sample and the @ref overview_ipc for an example of how to do this.

 
     @library{wxbase}
 
     @library{wxbase}

-    @category{FIXME}
+    @category{ipc}

 
 

-    @see wxServer, wxConnection, @ref overview_ipcoverview "Interprocess
-    communications overview"
+    @see wxServer, wxConnection, @ref overview_ipc

 */
 class wxClient : public wxObject
 {
 */
 class wxClient : public wxObject
 {


@@ -272,41 +267,41 @@ public:
     /**
         Tries to make a connection with a server by host (machine name
         under UNIX - use 'localhost' for same machine; ignored when using
     /**
         Tries to make a connection with a server by host (machine name
         under UNIX - use 'localhost' for same machine; ignored when using

-        native DDE in Windows), service name and topic string. If the
-        server allows a connection, a wxConnection object will be
-        returned. The type of wxConnection returned can be altered by
-        overriding the
-        OnMakeConnection()
-        member to return your own derived connection object.
+        native DDE in Windows), service name and topic string.
+
+        If the server allows a connection, a wxConnection object will be returned.
+        The type of wxConnection returned can be altered by overriding the
+        OnMakeConnection() member to return your own derived connection object.
+

         Under Unix, the service name may be either an integer port
         identifier in which case an Internet domain socket will be used
         for the communications, or a valid file name (which shouldn't
         exist and will be deleted afterwards) in which case a Unix domain
         socket is created.
         Under Unix, the service name may be either an integer port
         identifier in which case an Internet domain socket will be used
         for the communications, or a valid file name (which shouldn't
         exist and will be deleted afterwards) in which case a Unix domain
         socket is created.

-        @b SECURITY NOTE: Using Internet domain sockets if extremely
-        insecure for IPC as there is absolutely no access control for
-        them, use Unix domain sockets whenever possible!
+
+        @note Using Internet domain sockets is extremely insecure for IPC as
+              there is absolutely no access control for them, use Unix domain
+              sockets whenever possible!

     */
     wxConnectionBase* MakeConnection(const wxString& host,
                                      const wxString& service,
                                      const wxString& topic);
 
     /**
     */
     wxConnectionBase* MakeConnection(const wxString& host,
                                      const wxString& service,
                                      const wxString& topic);
 
     /**

-        Called by MakeConnection(), by
-        default this simply returns a new wxConnection object. Override
-        this method to return a wxConnection descendant customised for the
-        application.
-        The advantage of deriving your own connection class is that it
-        will enable you to intercept messages initiated by the server,
-        such as wxConnection::OnAdvise. You
-        may also want to store application-specific data in instances of
+        Called by MakeConnection(), by default this simply returns a new wxConnection
+        object. Override this method to return a wxConnection descendant customised
+        for the application.
+
+        The advantage of deriving your own connection class is that it will enable
+        you to intercept messages initiated by the server, such as wxConnection::OnAdvise.
+        You  may also want to store application-specific data in instances of

         the new class.
     */
     wxConnectionBase* OnMakeConnection();
 
     /**
         the new class.
     */
     wxConnectionBase* OnMakeConnection();
 
     /**

-        Returns @true if this is a valid host name, @false otherwise. This always
-        returns @true under MS Windows.
+        Returns @true if this is a valid host name, @false otherwise.
+        This always returns @true under MS Windows.

     */
     bool ValidHost(const wxString& host);
 };
     */
     bool ValidHost(const wxString& host);
 };


@@ -316,26 +311,24 @@ public:
 /**
     @class wxServer
 
 /**
     @class wxServer
 

-    A wxServer object represents the server part of a client-server
-    DDE-like (Dynamic Data Exchange) conversation. The actual
-    DDE-based implementation using wxDDEServer is available on Windows
-    only, but a platform-independent, socket-based version of this
-    API is available using wxTCPServer, which has the same API.
-
-    To create a server which can communicate with a suitable client,
-    you need to derive a class from wxConnection and another from
-    wxServer. The custom wxConnection class will intercept
-    communications in a 'conversation' with a client, and the custom
-    wxServer is required so that a user-overridden wxServer::OnAcceptConnection
-    member can return a wxConnection of the required class, when a
-    connection is made. Look at the IPC sample and the @ref overview_ipcoverview
-    "Interprocess communications overview" for
-    an example of how to do this.
+    A wxServer object represents the server part of a client-server DDE-like
+    (Dynamic Data Exchange) conversation. The actual DDE-based implementation
+    using wxDDEServer is available on Windows only, but a platform-independent,
+    socket-based version of this API is available using wxTCPServer, which has
+    the same API.
+
+    To create a server which can communicate with a suitable client, you need to
+    derive a class from wxConnection and another from wxServer.
+    The custom wxConnection class will intercept communications in a 'conversation'
+    with a client, and the custom wxServer is required so that a user-overridden
+    wxServer::OnAcceptConnection member can return a wxConnection of the required
+    class, when a connection is made.
+    Look at the IPC sample and the @ref overview_ipc for an example of how to do this.

 
     @library{wxbase}
 
     @library{wxbase}

-    @category{FIXME}
+    @category{ipc}

 
 

-    @see wxClient, wxConnection, IPC, overview()
+    @see wxClient, wxConnection, IPC, @ref overview_ipc

 */
 class wxServer
 {
 */
 class wxServer
 {


@@ -346,13 +339,14 @@ public:
     wxServer();
 
     /**
     wxServer();
 
     /**

-        Registers the server using the given service name. Under Unix,
-        the service name may be either an integer port identifier in
-        which case an Internet domain socket will be used for the
-        communications, or a valid file name (which shouldn't exist and
-        will be deleted afterwards) in which case a Unix domain socket is
-        created. @false is returned if the call failed (for example, the
-        port number is already in use).
+        Registers the server using the given service name.
+        Under Unix, the service name may be either an integer port identifier in
+        which case an Internet domain socket will be used for the communications,
+        or a valid file name (which shouldn't exist and will be deleted afterwards)
+        in which case a Unix domain socket is created.
+
+        @false is returned if the call failed (for example, the port number is
+        already in use).

     */
     bool Create(const wxString& service);
 
     */
     bool Create(const wxString& service);
 


@@ -362,11 +356,11 @@ public:
         member to intercept this message and return a connection object of
         either the standard wxConnection type, or (more likely) of a
         user-derived type.
         member to intercept this message and return a connection object of
         either the standard wxConnection type, or (more likely) of a
         user-derived type.

+

         If the topic is @b STDIO, the application may wish to refuse the
         If the topic is @b STDIO, the application may wish to refuse the

-        connection. Under UNIX, when a server is created the
-        OnAcceptConnection message is always sent for standard input and
-        output, but in the context of DDE messages it doesn't make a lot
-        of sense.
+        connection. Under UNIX, when a server is created the OnAcceptConnection()
+        message is always sent for standard input and output, but in the context
+        of DDE messages it doesn't make a lot of sense.

     */
     virtual wxConnectionBase* OnAcceptConnection(const wxString& topic);
 };
     */
     virtual wxConnectionBase* OnAcceptConnection(const wxString& topic);
 };