Add "read" application

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@1715 65c4cc65-6c06-0410-ace0-fbb531ad65f3

apps/Makefile

@@ -24,7 +24,7 @@ APPS=app_dial.so app_playback.so app_voicemail.so app_directory.so app_mp3.so\
      app_authenticate.so app_softhangup.so app_lookupblacklist.so \
      app_waitforring.so app_privacy.so app_db.so app_chanisavail.so \
      app_enumlookup.so app_voicemail2.so app_transfer.so app_setcidnum.so app_cdr.so \
-     app_hasnewvoicemail.so app_sayunixtime.so app_cut.so
+     app_hasnewvoicemail.so app_sayunixtime.so app_cut.so app_read.so
 
 ifneq (${OSARCH},Darwin)
 APPS+=app_intercom.so

apps/app_read.c

@@ -0,0 +1,97 @@
+/*
+ * Asterisk -- A telephony toolkit for Linux.
+ *
+ * Trivial application to read a variable
+ * 
+ * Copyright (C) 2003, Digium
+ *
+ * Mark Spencer <markster@digium.com>
+ *
+ * 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/pbx.h>
+#include <asterisk/app.h>
+#include <asterisk/module.h>
+#include <asterisk/translate.h>
+#include <string.h>
+#include <stdlib.h>
+#include <pthread.h>
+
+static char *tdesc = "Read Variable Application";
+
+static char *app = "Read";
+
+static char *synopsis = "Read a variable";
+
+static char *descrip = 
+"  Read(variable[|filename]):  Reads a '#' terminated string of digits from\n"
+"the user, optionally playing a given filename first.  Returns -1 on hangup or\n"
+"error and 0 otherwise.\n";
+
+STANDARD_LOCAL_USER;
+
+LOCAL_USER_DECL;
+
+static int read_exec(struct ast_channel *chan, void *data)
+{
+	int res = 0;
+	struct localuser *u;
+	char tmp[256];
+	char tmp2[128]="";
+	char *filename;
+	char *stringp;
+	if (!data || !strlen((char *)data)) {
+		ast_log(LOG_WARNING, "Read requires an argument (variable)\n");
+		return -1;
+	}
+	strncpy(tmp, (char *)data, sizeof(tmp)-1);
+	stringp=tmp;
+	strsep(&stringp, "|");
+	filename = strsep(&stringp, "|");
+	LOCAL_USER_ADD(u);
+	if (chan->_state != AST_STATE_UP) {
+		/* Answer if the line isn't up. */
+		res = ast_answer(chan);
+	}
+	if (!res) {
+		ast_stopstream(chan);
+		res = ast_app_getdata(chan, filename, tmp2, sizeof(tmp2) - 1, 0);
+		ast_verbose("You entered '%s'\n", tmp2);
+	}
+	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, read_exec, synopsis, descrip);
+}
+
+char *description(void)
+{
+	return tdesc;
+}
+
+int usecount(void)
+{
+	int res;
+	STANDARD_USECOUNT(res);
+	return res;
+}
+
+char *key()
+{
+	return ASTERISK_GPL_KEY;
+}