From 964f76279afcf1e0404e5bd195d7e11c64c9d3ee Mon Sep 17 00:00:00 2001
From: crichter <crichter@f38db490-d61c-443f-a65b-d21fe96a405b>
Date: Mon, 12 Nov 2007 11:23:57 +0000
Subject: added restart all interfaces Restart_Indicator, to automatically send
 a RESTART after the L2 of a PTP Port comes up. Also fixed some places where
 we have send a RELEASE without need for it.

git-svn-id: http://svn.digium.com/svn/asterisk/branches/1.4@89172 f38db490-d61c-443f-a65b-d21fe96a405b
---
 channels/misdn/isdn_lib.c        | 41 ++++++++++++++++++++--------------------
 channels/misdn/isdn_lib_intern.h |  3 +++
 channels/misdn/isdn_msg_parser.c |  9 +++++++--
 3 files changed, 31 insertions(+), 22 deletions(-)

(limited to 'channels/misdn')

diff --git a/channels/misdn/isdn_lib.c b/channels/misdn/isdn_lib.c
index 638f8b0c0..e2003a190 100644
--- a/channels/misdn/isdn_lib.c
+++ b/channels/misdn/isdn_lib.c
@@ -766,15 +766,12 @@ static int misdn_lib_get_l1_down(struct misdn_stack *stack)
 	/* Pull Up L1 */ 
 	iframe_t act;
 	act.prim = PH_DEACTIVATE | REQUEST; 
-	act.addr = (stack->upper_id | FLG_MSG_DOWN)  ;
-
-	
+	act.addr = stack->lower_id|FLG_MSG_DOWN;
 	act.dinfo = 0;
 	act.len = 0;
 
+	cb_log(1, stack->port, "SENDING PH_DEACTIVATE | REQ\n");
 	return mISDN_write(stack->midev, &act, mISDN_HEADER_LEN+act.len, TIMEOUT_1SEC);
-
-
 }
 
 
@@ -1995,6 +1992,14 @@ handle_event_nt(void *dat, void *arg)
 				cb_log(0, stack->port, "%% GOT L2 Activate Info. but we're activated already.. this l2 is faulty, blocking port\n");
 				cb_event(EVENT_PORT_ALARM, &stack->bc[0], glob_mgr->user_data);
 			}
+
+			if (stack->ptp && !stack->restart_sent) {
+				/* make sure we restart the interface of the 
+				 * other side */
+				stack->restart_sent=1;
+				misdn_lib_send_restart(stack->port, -1);
+
+			}
 		
 			/* when we get the L2 UP, the L1 is UP definitely too*/
 			stack->l1link = 1;
@@ -3689,8 +3694,6 @@ int misdn_lib_pid_restart(int pid)
 /*Sends Restart message for every bchnanel*/
 int misdn_lib_send_restart(int port, int channel)
 {
-	int max;
-	int i;
 	struct misdn_bchannel dummybc;
 	struct misdn_stack *stack=find_stack_by_port(port);
 	cb_log(0, port, "Sending Restarts on this port.\n");
@@ -3698,26 +3701,24 @@ int misdn_lib_send_restart(int port, int channel)
 	make_dummy(&dummybc, stack->port, MISDN_ID_GLOBAL, stack->nt, 0);
 
 	/*default is all channels*/
-	max=stack->pri?30:2;
-	i=1;
-	
-	/*if a channel is specified we restart only this one*/
-	if (channel > 0) {
-		i=channel;
-		max=channel;
+	if (channel <0) {
+		dummybc.channel=-1;
+		cb_log(0, port, "Restarting and all Interfaces\n");
+		misdn_lib_send_event(&dummybc, EVENT_RESTART);
+
+		return 0;
 	}
 
-	for (;i<=max;i++) {
+	/*if a channel is specified we restart only this one*/
+	if (channel >0) {
 		int cnt;
-		dummybc.channel=i;
-		cb_log(0, port, "Restarting and cleaning channel %d\n",i);
+		dummybc.channel=channel;
+		cb_log(0, port, "Restarting and cleaning channel %d\n",channel);
 		misdn_lib_send_event(&dummybc, EVENT_RESTART);
-		/*do we need to wait before we get an EVENT_RESTART_ACK ?*/
-
 		/* clean up chan in stack, to be sure we don't think it's
 		 * in use anymore */
 		for (cnt=0; cnt<=stack->b_num; cnt++) {
-			if (stack->bc[cnt].channel == i) {
+			if (stack->bc[cnt].channel == channel) {
 				empty_bc(&stack->bc[cnt]);
 				clean_up_bc(&stack->bc[cnt]);
 				stack->bc[cnt].in_use=0;
diff --git a/channels/misdn/isdn_lib_intern.h b/channels/misdn/isdn_lib_intern.h
index 757e8e20b..050c86fee 100644
--- a/channels/misdn/isdn_lib_intern.h
+++ b/channels/misdn/isdn_lib_intern.h
@@ -78,6 +78,9 @@ struct misdn_stack {
 	time_t l2establish;
   
 	int l1link;
+
+	int restart_sent;
+
 	int midev;
   
 	int nt;
diff --git a/channels/misdn/isdn_msg_parser.c b/channels/misdn/isdn_msg_parser.c
index 4630c3780..a587f8eae 100644
--- a/channels/misdn/isdn_msg_parser.c
+++ b/channels/misdn/isdn_msg_parser.c
@@ -840,8 +840,13 @@ static msg_t *build_restart (struct isdn_msg msgs[], struct misdn_bchannel *bc,
 #if DEBUG 
 	printf("Building RESTART Msg\n"); 
 #endif
-	enc_ie_channel_id(&restart->CHANNEL_ID, msg, 1,bc->channel, nt,bc);
-	enc_ie_restart_ind(&restart->RESTART_IND, msg, 0x80, nt, bc);
+
+	if (bc->channel > 0) {
+		enc_ie_channel_id(&restart->CHANNEL_ID, msg, 1,bc->channel, nt,bc);
+		enc_ie_restart_ind(&restart->RESTART_IND, msg, 0x80, nt, bc);
+	} else {
+		enc_ie_restart_ind(&restart->RESTART_IND, msg, 0x87, nt, bc);
+	}
 
 	cb_log(0,bc->port, "Restarting channel %d\n", bc->channel);
 	
-- 
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