Add dumpchan application (bug #2678)

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@4165 65c4cc65-6c06-0410-ace0-fbb531ad65f3

apps/Makefile

@@ -29,7 +29,8 @@ APPS=app_dial.so app_playback.so app_voicemail.so app_directory.so app_mp3.so\
      app_nbscat.so app_sendtext.so app_exec.so app_sms.so \
      app_groupcount.so app_txtcidname.so app_controlplayback.so \
      app_talkdetect.so app_alarmreceiver.so app_userevent.so app_verbose.so \
-     app_test.so app_forkcdr.so app_math.so app_realtime.so
+     app_test.so app_forkcdr.so app_math.so app_realtime.so \
+     app_dumpchan.so
 
 ifneq (${OSARCH},Darwin)
 APPS+=app_intercom.so

apps/app_dumpchan.c

+/*
+ * Asterisk -- A telephony toolkit for Linux.
+ *
+ * Application to dump channel variables
+ * 
+ * Copyright (C) 2004, Anthony Minessale II.
+ *
+ * Anthony Minessale <anthmct@yahoo.com>
+ *
+ * This program is free software, distributed under the terms of
+ * the GNU General Public License (and disclaimed to Digium)
+ */
+
+#include <asterisk/file.h>
+#include <asterisk/logger.h>
+#include <asterisk/channel.h>
+#include <asterisk/pbx.h>
+#include <asterisk/module.h>
+#include <asterisk/options.h>
+#include <asterisk/utils.h>
+#include <asterisk/lock.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+
+static char *tdesc = "Dump Info About The Calling Channel";
+static char *app = "DumpChan";
+static char *synopsis = "Dump Info About The Calling Channel";
+static char *desc = "Usage: exten => 1,1,DumpChan([<min_verbose_level>])\n\n"
+"If optional min_verbose_level is specified, only dump data when that verbose level is set.\n\n";
+
+STANDARD_LOCAL_USER;
+
+LOCAL_USER_DECL;
+
+static int ast_serialize_showchan(struct ast_channel *c, char *buf, size_t size)
+{
+	struct timeval now;
+	long elapsed_seconds=0;
+	int hour=0, min=0, sec=0;
+	gettimeofday(&now, NULL);
+	memset(buf,0,size);
+	if (!c)
+		return 0;
+
+	if (c->cdr) {
+		elapsed_seconds = now.tv_sec - c->cdr->start.tv_sec;
+		hour = elapsed_seconds / 3600;
+		min = (elapsed_seconds % 3600) / 60;
+		sec = elapsed_seconds % 60;
+	}
+
+	snprintf(buf,size, 
+			 "Name=%s\n"
+			 "Type=%s\n"
+			 "UniqueID=%s\n"
+			 "CallerID=%s\n"
+			 "CallerIDName=%s\n"
+			 "DNIDDigits=%s\n"
+			 "State=%s(%d)\n"
+			 "Rings=%d\n"
+			 "NativeFormat=%d\n"
+			 "WriteFormat=%d\n"
+			 "ReadFormat=%d\n"
+			 "1stFileDescriptor=%d\n"
+			 "Framesin=%d%s\n"
+			 "Framesout=%d%s\n"
+			 "TimetoHangup=%ld\n"
+			 "ElapsedTime=%dh%dm%ds\n"
+			 "Context=%s\n"
+			 "Extension=%s\n"
+			 "Priority=%d\n"
+			 "CallGroup=%d\n"
+			 "PickupGroup=%d\n"
+			 "Application=%s\n"
+			 "Data=%s\n"
+			 "Stack=%d\n"
+			 "Blocking_in=%s\n",
+			 c->name,
+			 c->type,
+			 c->uniqueid,
+			 (c->cid.cid_num ? c->cid.cid_num : "(N/A)"),
+			 (c->cid.cid_name ? c->cid.cid_name : "(N/A)"),
+			 (c->cid.cid_dnid ? c->cid.cid_dnid : "(N/A)" ),
+			 ast_state2str(c->_state),
+			 c->_state,
+			 c->rings,
+			 c->nativeformats,
+			 c->writeformat,
+			 c->readformat,
+			 c->fds[0], c->fin & 0x7fffffff, (c->fin & 0x80000000) ? " (DEBUGGED)" : "",
+			 c->fout & 0x7fffffff, (c->fout & 0x80000000) ? " (DEBUGGED)" : "", (long)c->whentohangup,
+			 hour,
+			 min,
+			 sec,
+			 c->context,
+			 c->exten,
+			 c->priority,
+			 c->callgroup,
+			 c->pickupgroup,
+			 ( c->appl ? c->appl : "(N/A)" ),
+			 ( c-> data ? (!ast_strlen_zero(c->data) ? c->data : "(Empty)") : "(None)"),
+			 c->stack,
+			 (c->blocking ? c->blockproc : "(Not Blocking)"));
+
+	return 1;
+}
+
+static int dumpchan_exec(struct ast_channel *chan, void *data)
+{
+	int res=0;
+	struct localuser *u;
+	char vars[1024];
+	char info[1024];
+	int level = 0;
+	static char *line = "================================================================================";
+	LOCAL_USER_ADD(u);
+
+	if (data) {
+		level = atoi(data);
+	}
+
+	pbx_builtin_serialize_variables(chan, vars, sizeof(vars));
+	ast_serialize_showchan(chan, info, sizeof(info));
+	if (option_verbose >= level)
+		ast_verbose("\nDumping Info For Channel: %s:\n%s\nInfo:\n%s\nVariables:\n%s%s\n",chan->name,line,info,vars,line);
+
+	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, dumpchan_exec, synopsis, desc);
+}
+
+char *description(void)
+{
+	return tdesc;
+}
+
+int usecount(void)
+{
+	int res;
+	STANDARD_USECOUNT(res);
+	return res;
+}
+
+char *key()
+{
+	return ASTERISK_GPL_KEY;
+}
+