Add sendtext application

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@2653 65c4cc65-6c06-0410-ace0-fbb531ad65f3

apps/Makefile

@@ -26,7 +26,7 @@ APPS=app_dial.so app_playback.so app_voicemail.so app_directory.so app_mp3.so\
      app_enumlookup.so app_transfer.so app_setcidnum.so app_cdr.so \
      app_hasnewvoicemail.so app_sayunixtime.so app_cut.so app_read.so \
      app_setcdruserfield.so app_random.so app_ices.so app_eval.so \
-     app_nbscat.so
+     app_nbscat.so app_sendtext.so
 
 ifneq (${OSARCH},Darwin)
 APPS+=app_intercom.so

apps/app_sendtext.c

@@ -0,0 +1,95 @@
+/*
+ * Asterisk -- A telephony toolkit for Linux.
+ *
+ * App to transmit a text message
+ * 
+ * Copyright (C) 1999, Mark Spencer
+ *
+ * Mark Spencer <markster@linux-support.net>
+ *
+ * This program is free software, distributed under the terms of
+ * the GNU General Public License
+ */
+ 
+#include <asterisk/lock.h>
+#include <asterisk/file.h>
+#include <asterisk/logger.h>
+#include <asterisk/channel.h>
+#include <asterisk/channel_pvt.h>
+#include <asterisk/pbx.h>
+#include <asterisk/module.h>
+#include <asterisk/translate.h>
+#include <asterisk/image.h>
+#include <string.h>
+#include <stdlib.h>
+#include <pthread.h>
+
+static char *tdesc = "Send Text Applications";
+
+static char *app = "SendText";
+
+static char *synopsis = "Send a Text Message";
+
+static char *descrip = 
+"  SendText(text): Sends text to client.  If the client\n"
+"does not support text transport, and  there  exists  a  step  with\n"
+"priority  n + 101,  then  execution  will  continue  at that step.\n"
+"Otherwise, execution will continue at  the  next  priority  level.\n"
+"SendText only returns 0  if  the  text  was  sent  correctly  or  if\n"
+"the channel  does  not  support text transport,  and -1 otherwise.\n";
+
+STANDARD_LOCAL_USER;
+
+LOCAL_USER_DECL;
+
+static int sendtext_exec(struct ast_channel *chan, void *data)
+{
+	int res = 0;
+	struct localuser *u;
+	if (!data || !strlen((char *)data)) {
+		ast_log(LOG_WARNING, "SendText requires an argument (text)\n");
+		return -1;
+	}
+	LOCAL_USER_ADD(u);
+	ast_mutex_lock(&chan->lock);
+	if (!chan->pvt->send_text) {
+		ast_mutex_unlock(&chan->lock);
+		/* Does not support transport */
+		if (ast_exists_extension(chan, chan->context, chan->exten, chan->priority + 101, chan->callerid))
+			chan->priority += 100;
+		LOCAL_USER_REMOVE(u);
+		return 0;
+	}
+	ast_mutex_unlock(&chan->lock);
+	res = ast_sendtext(chan, (char *)data);
+	LOCAL_USER_REMOVE(u);
+	return res;
+}
+
+int unload_module(void)
+{
+	STANDARD_HANGUP_LOCALUSERS;
+	return ast_unregister_application(app);
+}
+
+int load_module(void)
+{
+	return ast_register_application(app, sendtext_exec, synopsis, descrip);
+}
+
+char *description(void)
+{
+	return tdesc;
+}
+
+int usecount(void)
+{
+	int res;
+	STANDARD_USECOUNT(res);
+	return res;
+}
+
+char *key()
+{
+	return ASTERISK_GPL_KEY;
+}