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873989db91
See http://lists.digium.com/pipermail/asterisk-users/2010-January/243462.html git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@241364 65c4cc65-6c06-0410-ace0-fbb531ad65f3
120 lines
3.0 KiB
C
120 lines
3.0 KiB
C
/*
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* Asterisk -- An open source telephony toolkit.
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*
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* Copyright (C) 1999 - 2005, Digium, Inc.
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*
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* Mark Spencer <markster@digium.com>
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*
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* See http://www.asterisk.org for more information about
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* the Asterisk project. Please do not directly contact
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* any of the maintainers of this project for assistance;
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* the project provides a web site, mailing lists and IRC
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* channels for your use.
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*
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* This program is free software, distributed under the terms of
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* the GNU General Public License Version 2. See the LICENSE file
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* at the top of the source tree.
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*/
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/*! \file
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*
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* \brief App to transmit a text message
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*
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* \author Mark Spencer <markster@digium.com>
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*
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* \note Requires support of sending text messages from channel driver
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*
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* \ingroup applications
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*/
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#include "asterisk.h"
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ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
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#include "asterisk/file.h"
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#include "asterisk/channel.h"
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#include "asterisk/pbx.h"
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#include "asterisk/module.h"
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#include "asterisk/app.h"
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/*** DOCUMENTATION
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<application name="SendText" language="en_US">
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<synopsis>
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Send a Text Message.
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</synopsis>
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<syntax>
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<parameter name="text" required="true" />
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</syntax>
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<description>
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<para>Sends <replaceable>text</replaceable> to current channel (callee).</para>
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<para>Result of transmission will be stored in the <variable>SENDTEXTSTATUS</variable></para>
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<variablelist>
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<variable name="SENDTEXTSTATUS">
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<value name="SUCCESS">
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Transmission succeeded.
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</value>
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<value name="FAILURE">
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Transmission failed.
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</value>
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<value name="UNSUPPORTED">
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Text transmission not supported by channel.
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</value>
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</variable>
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</variablelist>
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<note><para>At this moment, text is supposed to be 7 bit ASCII in most channels.</para></note>
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</description>
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<see-also>
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<ref type="application">SendImage</ref>
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<ref type="application">SendURL</ref>
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</see-also>
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</application>
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***/
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static const char * const app = "SendText";
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static int sendtext_exec(struct ast_channel *chan, const char *data)
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{
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char *status = "UNSUPPORTED";
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struct ast_str *str;
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/* NOT ast_strlen_zero, because some protocols (e.g. SIP) MUST be able to
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* send a zero-length message. */
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if (!data) {
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ast_log(LOG_WARNING, "SendText requires an argument (text)\n");
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return -1;
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}
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if (!(str = ast_str_alloca(strlen(data) + 1))) {
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return -1;
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}
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ast_str_get_encoded_str(&str, -1, data);
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ast_channel_lock(chan);
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if (!chan->tech->send_text) {
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ast_channel_unlock(chan);
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/* Does not support transport */
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pbx_builtin_setvar_helper(chan, "SENDTEXTSTATUS", status);
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return 0;
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}
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status = "FAILURE";
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ast_channel_unlock(chan);
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if (!ast_sendtext(chan, ast_str_buffer(str))) {
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status = "SUCCESS";
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}
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pbx_builtin_setvar_helper(chan, "SENDTEXTSTATUS", status);
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return 0;
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}
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static int unload_module(void)
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{
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return ast_unregister_application(app);
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}
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static int load_module(void)
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{
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return ast_register_application_xml(app, sendtext_exec);
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}
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AST_MODULE_INFO_STANDARD(ASTERISK_GPL_KEY, "Send Text Applications");
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