<?xml version="1.0" encoding="iso-8859-1" ?> <!DOCTYPE erlref SYSTEM "erlref.dtd"> <erlref> <header> <copyright> <year>1997</year><year>2012</year> <holder>Ericsson AB. All Rights Reserved.</holder> </copyright> <legalnotice> The contents of this file are subject to the Erlang Public License, Version 1.1, (the "License"); you may not use this file except in compliance with the License. You should have received a copy of the Erlang Public License along with this software. If not, it can be retrieved online at http://www.erlang.org/. Software distributed under the License is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for the specific language governing rights and limitations under the License. </legalnotice> <title>httpd_socket</title> <prepared>Joakim Grebenö</prepared> <docno></docno> <date>1997-10-14</date> <rev>2.2</rev> <file>httpd_socket.sgml</file> </header> <module>httpd_socket</module> <modulesummary>Communication utility functions to be used by the Erlang Web server API programmer.</modulesummary> <description> <p>This module provides the Erlang Web server API module programmer with utility functions for generic sockets communication. The appropriate communication mechanism is transparently used, that is <c>ip_comm</c> or <c>ssl</c>.</p> <marker id="deliver"></marker> </description> <funcs> <func> <name>deliver(SocketType, Socket, Data) -> Result</name> <fsummary>Send binary data over socket.</fsummary> <type> <v>SocketType = socket_type()</v> <v>Socket = socket()</v> <v>Data = io_list() | binary()</v> <v>Result = socket_closed | void()</v> </type> <desc> <marker id="deliver"></marker> <p><c>deliver/3</c> sends the <c>Binary</c> over the <c>Socket</c> using the specified <c>SocketType</c>. Socket and SocketType should be the socket and the socket_type form the mod record as defined in httpd.hrl</p> <marker id="peername"></marker> </desc> </func> <func> <name>peername(SocketType,Socket) -> {Port,IPAddress}</name> <fsummary>Return the port and IP-address of the remote socket.</fsummary> <type> <v>SocketType = socket_type()</v> <v>Socket = socket()</v> <v>Port = integer()</v> <v>IPAddress = string()</v> </type> <desc> <marker id="peername"></marker> <p><c>peername/3</c> returns the <c>Port</c> and <c>IPAddress</c> of the remote <c>Socket</c>. </p> <marker id="resolve"></marker> </desc> </func> <func> <name>resolve() -> HostName</name> <fsummary>Return the official name of the current host.</fsummary> <type> <v>HostName = string()</v> </type> <desc> <marker id="resolve"></marker> <p><c>resolve/0</c> returns the official <c>HostName</c> of the current host. </p> </desc> </func> </funcs> <section> <marker id="see_also"></marker> <title>SEE ALSO</title> <p><seealso marker="httpd">httpd(3)</seealso></p> </section> </erlref>