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-rw-r--r--channels/misdn/isdn_lib.c155
-rw-r--r--channels/misdn/isdn_lib.h12
2 files changed, 68 insertions, 99 deletions
diff --git a/channels/misdn/isdn_lib.c b/channels/misdn/isdn_lib.c
index afd2027ef..dfa6bc6d7 100644
--- a/channels/misdn/isdn_lib.c
+++ b/channels/misdn/isdn_lib.c
@@ -27,6 +27,8 @@ int misdn_lib_get_l2_up(struct misdn_stack *stack);
struct misdn_stack* get_misdn_stack( void );
+static int set_chan_in_stack(struct misdn_stack *stack, int channel);
+
int misdn_lib_port_is_pri(int port)
{
struct misdn_stack *stack=get_misdn_stack();
@@ -438,12 +440,41 @@ void misdn_dump_chanlist()
}
+int set_chan_in_stack(struct misdn_stack *stack, int channel)
+{
+
+ cb_log(4,stack->port,"set_chan_in_stack: %d\n",channel);
+ dump_chan_list(stack);
+ if (channel >=1 && channel <= MAX_BCHANS) {
+ if (!stack->channels[channel-1])
+ stack->channels[channel-1] = 1;
+ else {
+ cb_log(4,stack->port,"channel already in use:%d\n", channel );
+ return -1;
+ }
+ } else {
+ cb_log(0,stack->port,"couldn't set channel %d in\n", channel );
+ return -1;
+ }
+
+ return 0;
+}
+
+
+
static int find_free_chan_in_stack(struct misdn_stack *stack, struct misdn_bchannel *bc, int channel, int dec)
{
int i;
+ int chan=0;
+
+ if (bc->channel_found)
+ return 0;
+
+ bc->channel_found=1;
cb_log(5,stack->port,"find_free_chan: req_chan:%d\n",channel);
+
if (channel < 0 || channel > MAX_BCHANS) {
cb_log(0, stack->port, " !! out of bound call to find_free_chan_in_stack! (ch:%d)\n", channel);
return 0;
@@ -458,8 +489,8 @@ static int find_free_chan_in_stack(struct misdn_stack *stack, struct misdn_bchan
if (i != 15 && (channel < 0 || i == channel)) { /* skip E1 Dchannel ;) and work with chan preselection */
if (!stack->channels[i]) {
cb_log (3, stack->port, " --> found chan%s: %d\n", channel>=0?" (preselected)":"", i+1);
- bc->channel=i+1;
- return i+1;
+ chan=i+1;
+ break;
}
}
}
@@ -468,16 +499,27 @@ static int find_free_chan_in_stack(struct misdn_stack *stack, struct misdn_bchan
if (i != 15 && (channel < 0 || i == channel)) { /* skip E1 Dchannel ;) and work with chan preselection */
if (!stack->channels[i]) {
cb_log (3, stack->port, " --> found chan%s: %d\n", channel>=0?" (preselected)":"", i+1);
- bc->channel=i+1;
- return i+1;
+ chan=i+1;
+ break;
}
}
}
}
- cb_log (1, stack->port, " !! NO FREE CHAN IN STACK\n");
- dump_chan_list(stack);
-
+ if (!chan) {
+ cb_log (1, stack->port, " !! NO FREE CHAN IN STACK\n");
+ dump_chan_list(stack);
+ bc->out_cause=34;
+ return -1;
+ }
+
+ if (set_chan_in_stack(stack, chan)<0) {
+ cb_log (0, stack->port, "Channel Already in use:%d\n", chan);
+ bc->out_cause=44;
+ return -1;
+ }
+
+ bc->channel=chan;
return 0;
}
@@ -644,6 +686,7 @@ static void empty_bc(struct misdn_bchannel *bc)
bc->fac_out.Function = Fac_None;
bc->te_choose_channel = 0;
+ bc->channel_found= 0;
}
@@ -701,37 +744,6 @@ static void clear_l3(struct misdn_stack *stack)
}
}
-static int set_chan_in_stack(struct misdn_stack *stack, int channel)
-{
-
- cb_log(4,stack->port,"set_chan_in_stack: %d\n",channel);
- dump_chan_list(stack);
- if (channel >=1 && channel <= MAX_BCHANS) {
- if (!stack->channels[channel-1])
- stack->channels[channel-1] = 1;
- else {
- cb_log(4,stack->port,"channel already in use:%d\n", channel );
- return -1;
- }
- } else {
- cb_log(0,stack->port,"couldn't set channel %d in\n", channel );
- return -1;
- }
-
- return 0;
-}
-
-#if 0
-static int chan_in_stack_free(struct misdn_stack *stack, int channel)
-{
- if (stack->channels[channel-1])
- return 0;
-
- return 1;
-}
-#endif
-
-
static int newteid=0;
#define MAXPROCS 0x100
@@ -858,13 +870,8 @@ static int create_process (int midev, struct misdn_bchannel *bc) {
struct misdn_stack *stack=get_stack_by_bc(bc);
if (stack->nt) {
- if (!find_free_chan_in_stack(stack, bc, bc->channel_preselected ? bc->channel : 0, 0))
- return -1;
- /*bc->channel=free_chan;*/
-
- if (set_chan_in_stack(stack ,bc->channel)<0) return -1;
-
- cb_log(4,stack->port, " --> found channel: %d\n", bc->channel);
+ if (find_free_chan_in_stack(stack, bc, bc->channel_preselected?bc->channel:0, 0)<0) return -1;
+ cb_log(4,stack->port, " --> found channel: %d\n",bc->channel);
for (i=0; i <= MAXPROCS; i++)
if (stack->procids[i]==0) break;
@@ -890,12 +897,8 @@ static int create_process (int midev, struct misdn_bchannel *bc) {
} else {
if (stack->ptp || bc->te_choose_channel) {
/* we know exactly which channels are in use */
- if (!find_free_chan_in_stack(stack, bc, bc->channel_preselected ? bc->channel : 0, 0))
- return -1;
- /*bc->channel=free_chan;*/
- cb_log(2,stack->port, " --> found channel: %d\n", bc->channel);
-
- if (set_chan_in_stack(stack ,bc->channel)<0) return -1;
+ if (find_free_chan_in_stack(stack, bc, bc->channel_preselected?bc->channel:0, bc->dec)<0) return -1;
+ cb_log(2,stack->port, " --> found channel: %d\n",bc->channel);
} else {
/* other phones could have made a call also on this port (ptmp) */
bc->channel=0xff;
@@ -1526,24 +1529,13 @@ static int handle_event ( struct misdn_bchannel *bc, enum event_e event, iframe_
case EVENT_SETUP:
{
- if (bc->channel == 0xff) {
- if (!find_free_chan_in_stack(stack, bc, 0, 0)) {
- cb_log(0, stack->port, "Any Channel Requested, but we have no more!!\n");
- bc->out_cause=34;
- misdn_lib_send_event(bc,EVENT_RELEASE_COMPLETE);
- return -1;
- }
- }
-
- if (bc->channel >0 && bc->channel<255) {
- int ret=set_chan_in_stack(stack ,bc->channel);
- if (event == EVENT_SETUP && ret<0){
- /* empty bchannel */
- bc->channel=0;
- bc->out_cause=44;
- misdn_lib_send_event(bc,EVENT_RELEASE_COMPLETE);
- return -1;
- }
+ if (bc->channel == 0xff || bc->channel<=0)
+ bc->channel=0;
+
+ if (find_free_chan_in_stack(stack, bc, bc->channel, 0)<0){
+ cb_log(0, stack->port, "Any Channel Requested, but we have no more!!\n");
+ misdn_lib_send_event(bc,EVENT_RELEASE_COMPLETE);
+ return -1;
}
}
break;
@@ -2017,21 +2009,11 @@ handle_event_nt(void *dat, void *arg)
switch (event) {
case EVENT_SETUP:
- if (bc->channel<=0 || bc->channel==0xff) {
- bc->channel=find_free_chan_in_stack(stack,bc, 0,0);
- if (bc->channel<=0)
- goto ERR_NO_CHANNEL;
- } else if (!stack->ptp)
- cb_log(3,stack->port," --> PTMP but channel requested\n");
-
- int ret=set_chan_in_stack(stack, bc->channel);
- if (event==EVENT_SETUP && ret<0){
- /* empty bchannel */
+ if (bc->channel<=0 || bc->channel==0xff)
bc->channel=0;
- bc->out_cause=44;
-
+
+ if (find_free_chan_in_stack(stack,bc, bc->channel,0)<0)
goto ERR_NO_CHANNEL;
- }
break;
case EVENT_RELEASE:
case EVENT_RELEASE_COMPLETE:
@@ -2639,7 +2621,7 @@ handle_frm_bc:
if (tmpcause == 44) {
cb_log(0,stack->port,"**** Received CAUSE:44, so not cleaning up channel %d\n", channel);
cb_log(0,stack->port,"**** This channel is now no longer available,\nplease try to restart it with 'misdn send restart <port> <channel>'\n");
- set_chan_in_stack(stack,bc->channel);
+ set_chan_in_stack(stack,bc->channel);
} else {
if (channel>0)
empty_chan_in_stack(stack,channel);
@@ -3246,16 +3228,11 @@ int misdn_lib_send_event(struct misdn_bchannel *bc, enum event_e event )
if (stack->nt) {
if (bc->channel <=0 ) { /* else we have the channel already */
- if (!find_free_chan_in_stack(stack, bc, 0,0)) {
+ if (find_free_chan_in_stack(stack, bc, 0, 0)<0) {
cb_log(0, stack->port, " No free channel at the moment\n");
/*FIXME: add disconnect*/
RETURN(-ENOCHAN,OUT);
}
-
- if (set_chan_in_stack(stack ,bc->channel)<0) {
- /*FIXME: add disconnect*/
- RETURN(-ENOCHAN,OUT);
- }
}
/* Its that i generate channels */
}
diff --git a/channels/misdn/isdn_lib.h b/channels/misdn/isdn_lib.h
index 88d287ac3..b05383dbd 100644
--- a/channels/misdn/isdn_lib.h
+++ b/channels/misdn/isdn_lib.h
@@ -356,16 +356,8 @@ struct misdn_bchannel {
int ec_enable;
int ec_deftaps;
#endif
-
-#ifdef WITH_BEROEC
- beroec_t *ec;
- int bnec_tail;
- int bnec_ah;
- int bnec_nlp;
- int bnec_td;
- int bnec_adapt;
- int bnec_zero;
-#endif
+
+ int channel_found;
int orig;
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-20 03:11:17 +0000