X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/08f1d4387331d652b8297e6a4aef782b921bad5e..aaa6f9ba6bd0be1fe6a34800e6f753ffdc49900c:/docs/latex/wx/socket.tex diff --git a/docs/latex/wx/socket.tex b/docs/latex/wx/socket.tex index 096c6a9f18..04a2515b89 100644 --- a/docs/latex/wx/socket.tex +++ b/docs/latex/wx/socket.tex @@ -6,7 +6,7 @@ %% Created: 1999 %% RCS-ID: $Id$ %% Copyright: (c) wxWidgets team -%% License: wxWidgets license +%% License: wxWindows license %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% \section{\class{wxSocketBase}}\label{wxsocketbase} @@ -161,7 +161,8 @@ Functions that allow applications to customize socket IO as needed. \helpref{GetFlags}{wxsocketbasegetflags}\\ \helpref{SetFlags}{wxsocketbasesetflags}\\ -\helpref{SetTimeout}{wxsocketbasesettimeout} +\helpref{SetTimeout}{wxsocketbasesettimeout}\\ +\helpref{SetLocal}{wxsocketbasesetlocal}\\ \membersection{Handling socket events}\label{socketevents} @@ -173,14 +174,6 @@ Functions that allow applications to receive socket events. \helpref{SetClientData}{wxsocketbasesetclientdata}\\ \helpref{SetEventHandler}{wxsocketbaseseteventhandler} -Callback functions are also available, but they are provided for backwards -compatibility only. Their use is strongly discouraged in favour of events, -and should be considered deprecated. Callbacks may be unsupported in future -releases of wxWidgets. - -\helpref{Callback}{wxsocketbasecallback}\\ -\helpref{CallbackData}{wxsocketbasecallbackdata} - % --------------------------------------------------------------------------- % Members here @@ -208,67 +201,6 @@ Destructor. Do not destroy a socket using the delete operator directly; use \helpref{Destroy}{wxsocketbasedestroy} instead. Also, do not create socket objects in the stack. -% -% Callback -% -\membersection{wxSocketBase::Callback}\label{wxsocketbasecallback} - -\func{wxSocketBase::wxSockCbk}{Callback}{\param{wxSocketBase::wxSockCbk}{ callback}} - -You can setup a callback function to be called when an event occurs. -The function will be called only for those events for which notification -has been enabled with \helpref{Notify}{wxsocketbasenotify} and -\helpref{SetNotify}{wxsocketbasesetnotify}. The prototype of the -callback must be as follows: - -\begin{verbatim} -void SocketCallback(wxSocketBase& sock, wxSocketNotify evt, char *cdata); -\end{verbatim} - -The first parameter is a reference to the socket object in which the -event occurred. The second parameter tells you which event occurred. -(See \helpref{wxSocket events}{wxsocketbase}). The third parameter -is the user data you specified using \helpref{CallbackData}{wxsocketbasecallbackdata}. - -\wxheading{Return value} - -A pointer to the previous callback. - -\wxheading{Remark/Warning} - -Note that callbacks are now deprecated and unsupported, and they remain -for backwards compatibility only. Use events instead. - -\wxheading{See also} - -\helpref{wxSocketBase::CallbackData}{wxsocketbasecallbackdata}, -\helpref{wxSocketBase::SetNotify}{wxsocketbasesetnotify}, -\helpref{wxSocketBase::Notify}{wxsocketbasenotify} - -% -% CallbackData -% -\membersection{wxSocketBase::CallbackData}\label{wxsocketbasecallbackdata} - -\func{char *}{CallbackData}{\param{char *}{cdata}} - -This function sets the the user data which will be passed to a -callback function set via \helpref{Callback}{wxsocketbasecallback}. - -\wxheading{Return value} - -A pointer to the previous user data. - -\wxheading{Remark/Warning} - -Note that callbacks are now deprecated and unsupported, and they remain -for backwards compatibility only. Use events instead. - -\wxheading{See also} - -\helpref{wxSocketBase::Callback}{wxsocketbasecallback}, -\helpref{wxSocketBase::SetNotify}{wxsocketbasesetnotify}, -\helpref{wxSocketBase::Notify}{wxsocketbasenotify} % % Close @@ -530,9 +462,7 @@ This function saves the current state of the socket in a stack. Socket state includes flags, as set with \helpref{SetFlags}{wxsocketbasesetflags}, event mask, as set with \helpref{SetNotify}{wxsocketbasesetnotify} and \helpref{Notify}{wxsocketbasenotify}, user data, as set with -\helpref{SetClientData}{wxsocketbasesetclientdata}, and asynchronous -callback settings, as set with \helpref{Callback}{wxsocketbasecallback} -and \helpref{CallbackData}{wxsocketbasecallbackdata}. +\helpref{SetClientData}{wxsocketbasesetclientdata}. Calls to SaveState and RestoreState can be nested. @@ -631,8 +561,12 @@ The {\bf wxSOCKET\_REUSEADDR} flag controls the use of the SO\_REUSEADDR standar setsockopt() flag. This flag allows the socket to bind to a port that is already in use. This is mostly used on UNIX-based systems to allow rapid starting and stopping of a server - otherwise you may have to wait several minutes for the port to become available. -This option can have suprising platform dependent behavior, check the documentation for -your platforms implementation of setsockopt(). +wxSOCKET\_REUSEADDR can also be used with socket clients to (re)bind to a particular local port +for an outgoing connection. +This option can have surprising platform dependent behavior, so check the documentation for +your platform's implementation of setsockopt(). Note that on BSD-based systems (e.g. Mac OS X), +use of wxSOCKET\_REUSEADDR implies SO\_REUSEPORT in addition to SO\_REUSEADDR to be consistent +with Windows. So: @@ -647,7 +581,20 @@ the data. {\bf wxSOCKET\_BLOCK} has nothing to do with the previous flags and it controls whether the GUI blocks. -{\bf wxSOCKET\_REUSEADDR} controls special platform-specific behavior for wxServerSocket. +{\bf wxSOCKET\_REUSEADDR} controls special platform-specific behavior for +reusing local addresses/ports. + +% +% SetLocal +% +\membersection{wxSocketBase::SetLocal}\label{wxsocketbasesetlocal} + +\func{bool}{SetLocal}{\param{wxIPV4address\&}{ local}} + +This function allows you to set the local address and port, +useful when an application needs to reuse a particular port. When +a local port is set for a \helpref{wxSocketClient}{wxsocketclient}, +{\bf bind} will be called before {\bf connect}. % % SetNotify @@ -1089,6 +1036,9 @@ Destructor. Please see \helpref{wxSocketBase::Destroy}{wxsocketbasedestroy}. \func{bool}{Connect}{\param{wxSockAddress\&}{ address}, \param{bool}{ wait = true}} +\func{bool}{Connect}{\param{wxSockAddress\&}{ address}, \param{wxSockAddress\&}{ local}, +\param{bool}{ wait = true}} + Connects to a server using the specified address. If {\it wait} is true, Connect will wait until the connection @@ -1105,6 +1055,10 @@ and {\bf wxSOCKET\_LOST} events (for connection failure). \docparam{address}{Address of the server.} +\docparam{local}{Bind to the specified local address and port before connecting. +The local address and port can also be set using \helpref{SetLocal}{wxsocketbasesetlocal}, +and then using the 2-parameter Connect method.} + \docparam{wait}{If true, waits for the connection to complete.} \wxheading{Return value}