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authorSuper User2008-07-26 13:49:23 +0200
committerSuper User2008-07-26 13:49:23 +0200
commitf51147e028fc6eb0db5cec7b6dbd685860bda5bd (patch)
tree7c6ee966ee10e81f58196dc3818b109c7e01dfd1 /bchannel.c
parentbearer capability fix. (diff)
downloadlcr-f51147e028fc6eb0db5cec7b6dbd685860bda5bd.tar.gz
lcr-f51147e028fc6eb0db5cec7b6dbd685860bda5bd.tar.xz
lcr-f51147e028fc6eb0db5cec7b6dbd685860bda5bd.zip
many fixes on HDLC issues
many fixes on briding issues -> briding will work with dsp and directly via chan_lcr -> hdlc will work with dsp and directly with chan_lcr modified: bchannel.c modified: chan_lcr.c modified: chan_lcr.h
Diffstat (limited to 'bchannel.c')
-rw-r--r--bchannel.c135
1 files changed, 81 insertions, 54 deletions
diff --git a/bchannel.c b/bchannel.c
index 346374b..6b005ec 100644
--- a/bchannel.c
+++ b/bchannel.c
@@ -115,7 +115,7 @@ int bchannel_create(struct bchannel *bchannel, int mode)
if (bchannel->b_sock > -1)
{
- CERROR(NULL, NULL, "Socket already created for handle 0x%x\n", bchannel->handle);
+ CERROR(bchannel->call, NULL, "Socket already created for handle 0x%x\n", bchannel->handle);
return(0);
}
@@ -124,21 +124,25 @@ int bchannel_create(struct bchannel *bchannel, int mode)
switch(bchannel->b_mode)
{
case 0:
+ CDEBUG(bchannel->call, NULL, "Open DSP audio\n");
bchannel->b_sock = socket(PF_ISDN, SOCK_DGRAM, ISDN_P_B_L2DSP);
break;
case 1:
+ CDEBUG(bchannel->call, NULL, "Open audio\n");
bchannel->b_sock = socket(PF_ISDN, SOCK_DGRAM, ISDN_P_B_RAW);
break;
case 2:
+ CDEBUG(bchannel->call, NULL, "Open DSP HDLC\n");
bchannel->b_sock = socket(PF_ISDN, SOCK_DGRAM, ISDN_P_B_L2DSPHDLC);
break;
case 3:
+ CDEBUG(bchannel->call, NULL, "Open HDLC\n");
bchannel->b_sock = socket(PF_ISDN, SOCK_DGRAM, ISDN_P_B_HDLC);
break;
}
if (bchannel->b_sock < 0)
{
- CERROR(NULL, NULL, "Failed to open bchannel-socket for handle 0x%x with mISDN-DSP layer. Did you load mISDNdsp.ko?\n", bchannel->handle);
+ CERROR(bchannel->call, NULL, "Failed to open bchannel-socket for handle 0x%x with mISDN-DSP layer. Did you load mISDNdsp.ko?\n", bchannel->handle);
return(0);
}
@@ -146,7 +150,7 @@ int bchannel_create(struct bchannel *bchannel, int mode)
ret = ioctl(bchannel->b_sock, FIONBIO, &on);
if (ret < 0)
{
- CERROR(NULL, NULL, "Failed to set bchannel-socket handle 0x%x into nonblocking IO\n", bchannel->handle);
+ CERROR(bchannel->call, NULL, "Failed to set bchannel-socket handle 0x%x into nonblocking IO\n", bchannel->handle);
close(bchannel->b_sock);
bchannel->b_sock = -1;
return(0);
@@ -159,7 +163,7 @@ int bchannel_create(struct bchannel *bchannel, int mode)
ret = bind(bchannel->b_sock, (struct sockaddr *)&addr, sizeof(addr));
if (ret < 0)
{
- CERROR(NULL, NULL, "Failed to bind bchannel-socket for handle 0x%x with mISDN-DSP layer. (port %d, channel %d) Did you load mISDNdsp.ko?\n", bchannel->handle, addr.dev + 1, addr.channel);
+ CERROR(bchannel->call, NULL, "Failed to bind bchannel-socket for handle 0x%x with mISDN-DSP layer. (port %d, channel %d) Did you load mISDNdsp.ko?\n", bchannel->handle, addr.dev + 1, addr.channel);
close(bchannel->b_sock);
bchannel->b_sock = -1;
return(0);
@@ -177,7 +181,7 @@ void bchannel_activate(struct bchannel *bchannel, int activate)
int ret;
/* activate bchannel */
- CDEBUG(NULL, NULL, "%sActivating B-channel.\n", activate?"":"De-");
+ CDEBUG(bchannel->call, NULL, "%sActivating B-channel.\n", activate?"":"De-");
switch(bchannel->b_mode)
{
case 0:
@@ -192,7 +196,7 @@ void bchannel_activate(struct bchannel *bchannel, int activate)
act.id = 0;
ret = sendto(bchannel->b_sock, &act, MISDN_HEADER_LEN, 0, NULL, 0);
if (ret < 0)
- CERROR(NULL, NULL, "Failed to send to socket %d\n", bchannel->b_sock);
+ CERROR(bchannel->call, NULL, "Failed to send to socket %d\n", bchannel->b_sock);
bchannel->b_state = (activate)?BSTATE_ACTIVATING:BSTATE_DEACTIVATING;
bchannel->rebuffer_usage = 0;
@@ -211,29 +215,29 @@ static void bchannel_activated(struct bchannel *bchannel)
/* set dsp features */
if (bchannel->b_txdata)
ph_control(sock, (bchannel->b_txdata)?DSP_TXDATA_ON:DSP_TXDATA_OFF, 0, "DSP-TXDATA", bchannel->b_txdata, bchannel->b_mode);
- if (bchannel->b_delay)
+ if (bchannel->b_delay && bchannel->b_mode == 0)
ph_control(sock, DSP_DELAY, bchannel->b_delay, "DSP-DELAY", bchannel->b_delay, bchannel->b_mode);
- if (bchannel->b_tx_dejitter)
+ if (bchannel->b_tx_dejitter && bchannel->b_mode == 0)
ph_control(sock, (bchannel->b_tx_dejitter)?DSP_TX_DEJITTER:DSP_TX_DEJ_OFF, 0, "DSP-TX_DEJITTER", bchannel->b_tx_dejitter, bchannel->b_mode);
- if (bchannel->b_tx_gain)
+ if (bchannel->b_tx_gain && bchannel->b_mode == 0)
ph_control(sock, DSP_VOL_CHANGE_TX, bchannel->b_tx_gain, "DSP-TX_GAIN", bchannel->b_tx_gain, bchannel->b_mode);
- if (bchannel->b_rx_gain)
+ if (bchannel->b_rx_gain && bchannel->b_mode == 0)
ph_control(sock, DSP_VOL_CHANGE_RX, bchannel->b_rx_gain, "DSP-RX_GAIN", bchannel->b_rx_gain, bchannel->b_mode);
- if (bchannel->b_pipeline[0])
+ if (bchannel->b_pipeline[0] && bchannel->b_mode == 0)
ph_control_block(sock, DSP_PIPELINE_CFG, bchannel->b_pipeline, strlen(bchannel->b_pipeline)+1, "DSP-PIPELINE", 0, bchannel->b_mode);
if (bchannel->b_conf)
ph_control(sock, DSP_CONF_JOIN, bchannel->b_conf, "DSP-CONF", bchannel->b_conf, bchannel->b_mode);
if (bchannel->b_echo)
ph_control(sock, DSP_ECHO_ON, 0, "DSP-ECHO", 1, bchannel->b_mode);
- if (bchannel->b_tone)
+ if (bchannel->b_tone && bchannel->b_mode == 0)
ph_control(sock, DSP_TONE_PATT_ON, bchannel->b_tone, "DSP-TONE", bchannel->b_tone, bchannel->b_mode);
if (bchannel->b_rxoff)
ph_control(sock, DSP_RECEIVE_OFF, 0, "DSP-RXOFF", 1, bchannel->b_mode);
-// if (bchannel->b_txmix)
+// if (bchannel->b_txmix && bchannel->b_mode == 0)
// ph_control(sock, DSP_MIX_ON, 0, "DSP-MIX", 1, bchannel->b_mode);
- if (bchannel->b_dtmf)
+ if (bchannel->b_dtmf && bchannel->b_mode == 0)
ph_control(sock, DTMF_TONE_START, 0, "DSP-DTMF", 1, bchannel->b_mode);
- if (bchannel->b_bf_len)
+ if (bchannel->b_bf_len && bchannel->b_mode == 0)
ph_control_block(sock, DSP_BF_ENABLE_KEY, bchannel->b_bf_key, bchannel->b_bf_len, "DSP-CRYPT", bchannel->b_bf_len, bchannel->b_mode);
if (bchannel->b_conf)
ph_control(sock, DSP_CONF_JOIN, bchannel->b_conf, "DSP-CONF", bchannel->b_conf, bchannel->b_mode);
@@ -264,14 +268,19 @@ static void bchannel_receive(struct bchannel *bchannel, unsigned char *buffer, i
struct mISDNhead *hh = (struct mISDNhead *)buffer;
unsigned char *data = buffer + MISDN_HEADER_LEN;
unsigned int cont = *((unsigned int *)data);
+ unsigned char *d;
+ int i;
struct bchannel *remote_bchannel;
int ret;
if (hh->prim == PH_CONTROL_IND)
{
+ /* non dsp -> ignore ph_control */
+ if (bchannel->b_mode == 1 || bchannel->b_mode == 3)
+ return;
if (len < 4)
{
- CERROR(NULL, NULL, "SHORT READ OF PH_CONTROL INDICATION\n");
+ CERROR(bchannel->call, NULL, "SHORT READ OF PH_CONTROL INDICATION\n");
return;
}
if ((cont&(~DTMF_TONE_MASK)) == DTMF_TONE_VAL)
@@ -283,15 +292,15 @@ static void bchannel_receive(struct bchannel *bchannel, unsigned char *buffer, i
switch(cont)
{
case DSP_BF_REJECT:
- CERROR(NULL, NULL, "Blowfish crypt rejected.\n");
+ CERROR(bchannel->call, NULL, "Blowfish crypt rejected.\n");
break;
case DSP_BF_ACCEPT:
- CDEBUG(NULL, NULL, "Blowfish crypt enabled.\n");
+ CDEBUG(bchannel->call, NULL, "Blowfish crypt enabled.\n");
break;
default:
- CDEBUG(NULL, NULL, "Unhandled bchannel control 0x%x.\n", cont);
+ CDEBUG(bchannel->call, NULL, "Unhandled bchannel control 0x%x.\n", cont);
}
return;
}
@@ -300,32 +309,37 @@ static void bchannel_receive(struct bchannel *bchannel, unsigned char *buffer, i
if (!bchannel->b_txdata)
{
/* if tx is off, it may happen that fifos send us pending informations, we just ignore them */
- CDEBUG(NULL, NULL, "ignoring tx data, because 'txdata' is turned off\n");
+ CDEBUG(bchannel->call, NULL, "ignoring tx data, because 'txdata' is turned off\n");
return;
}
return;
}
if (hh->prim != PH_DATA_IND && hh->prim != DL_DATA_IND)
{
- CERROR(NULL, NULL, "Bchannel received unknown primitve: 0x%lx\n", hh->prim);
+ CERROR(bchannel->call, NULL, "Bchannel received unknown primitve: 0x%lx\n", hh->prim);
return;
}
- /* if call is bridged and in non-dsp mode */
- if (bchannel->b_conf
- && (bchannel->b_mode == 1 || bchannel->b_mode == 3)
+ /* if calls are bridged, but not via dsp (no b_conf), forward here */
+ if (!bchannel->b_conf
&& bchannel->call
&& bchannel->call->bridge_call
- && bchannel->call->bridge_call->bchannel)
- {
+ && bchannel->call->bridge_call->bchannel) {
remote_bchannel = bchannel->call->bridge_call->bchannel;
- if (remote_bchannel->b_mode == 1 || remote_bchannel->b_mode == 3)
- {
- hh->prim = PH_DATA_REQ;
- ret = sendto(remote_bchannel->b_sock, buffer, MISDN_HEADER_LEN+len, 0, NULL, 0);
- if (ret < 0)
- CERROR(NULL, NULL, "Failed to send to socket %d\n", bchannel->b_sock);
- return;
+#if 0
+ int i = 0;
+ char string[4096] = "";
+ while(i < len) {
+ sprintf(string+strlen(string), " %02x", data[i]);
+ i++;
}
+ CDEBUG(remote_bchannel->call, NULL, "Forwarding packet%s\n", string);
+#endif
+ hh->prim = PH_DATA_REQ;
+ hh->id = 0;
+ ret = sendto(remote_bchannel->b_sock, buffer, MISDN_HEADER_LEN+len, 0, NULL, 0);
+ if (ret < 0)
+ CERROR(remote_bchannel->call, NULL, "Failed to send to socket %d\n", bchannel->b_sock);
+ return;
}
/* calls will not process any audio data unless
* the call is connected OR interface features audio during call setup.
@@ -334,13 +348,13 @@ static void bchannel_receive(struct bchannel *bchannel, unsigned char *buffer, i
/* if rx is off, it may happen that fifos send us pending informations, we just ignore them */
if (bchannel->b_rxoff)
{
- CDEBUG(NULL, NULL, "ignoring data, because rx is turned off\n");
+ CDEBUG(bchannel->call, NULL, "ignoring data, because rx is turned off\n");
return;
}
if (!bchannel->call)
{
- CDEBUG(NULL, NULL, "ignoring data, because no call associated with bchannel\n");
+ CDEBUG(bchannel->call, NULL, "ignoring data, because no call associated with bchannel\n");
return;
}
if (!bchannel->call->audiopath)
@@ -355,23 +369,33 @@ static void bchannel_receive(struct bchannel *bchannel, unsigned char *buffer, i
return;
}
+ /* if no hdlc */
+ if (bchannel->b_mode == 0 || bchannel->b_mode == 1)
+ {
+ d = data;
+ for (i = 0; i < len; i++) {
+ *d = flip_bits[*d];
+ d++;
+ }
+ }
- if (bchannel->call->rebuffer) {
+ /* no hdlc and rebuffer */
+ if (bchannel->call->rebuffer && !bchannel->call->hdlc) {
int u = bchannel->rebuffer_usage;
unsigned char * b = bchannel->rebuffer;
- unsigned char * d = data;
int l = len;
int fd = bchannel->call->pipe[1];
+ d = data;
+
if (u > 0) {
if (u + l >= 160) {
memcpy(b + u, d, 160 - u);
d += 160 - u;
l -= 160 - u;
u = 0;
- if (write(fd, b, 160) < 0) {
+ if (write(fd, b, 160) < 0)
goto errout;
- }
} else {
memcpy(b + u, d, l);
u += l;
@@ -380,9 +404,8 @@ static void bchannel_receive(struct bchannel *bchannel, unsigned char *buffer, i
}
while (l >= 160) {
- if (write(fd, d, 160) < 0) {
+ if (write(fd, d, 160) < 0)
goto errout;
- }
d += 160;
l -= 160;
}
@@ -394,9 +417,7 @@ static void bchannel_receive(struct bchannel *bchannel, unsigned char *buffer, i
} else {
len = write(bchannel->call->pipe[1], data, len);
if (len < 0)
- {
goto errout;
- }
}
return;
@@ -404,7 +425,7 @@ static void bchannel_receive(struct bchannel *bchannel, unsigned char *buffer, i
close(bchannel->call->pipe[1]);
bchannel->call->pipe[1] = -1;
bchannel->rebuffer_usage = 0;
- CDEBUG(NULL, NULL, "broken pipe on bchannel pipe\n");
+ CDEBUG(bchannel->call, NULL, "broken pipe on bchannel pipe\n");
}
@@ -422,15 +443,21 @@ void bchannel_transmit(struct bchannel *bchannel, unsigned char *data, int len)
return;
if (len > 1024 || len < 1)
return;
- for (i = 0; i < len; i++)
- *p++ = flip_bits[*data++];
switch(bchannel->b_mode)
{
case 0:
- case 2:
+ for (i = 0; i < len; i++)
+ *p++ = flip_bits[*data++];
frm->prim = DL_DATA_REQ;
break;
case 1:
+ for (i = 0; i < len; i++)
+ *p++ = flip_bits[*data++];
+ frm->prim = PH_DATA_REQ;
+ break;
+ case 2:
+ frm->prim = DL_DATA_REQ;
+ break;
case 3:
frm->prim = PH_DATA_REQ;
break;
@@ -438,7 +465,7 @@ void bchannel_transmit(struct bchannel *bchannel, unsigned char *data, int len)
frm->id = 0;
ret = sendto(bchannel->b_sock, buff, MISDN_HEADER_LEN+len, 0, NULL, 0);
if (ret < 0)
- CERROR(NULL, NULL, "Failed to send to socket %d\n", bchannel->b_sock);
+ CERROR(bchannel->call, NULL, "Failed to send to socket %d\n", bchannel->b_sock);
}
@@ -474,7 +501,7 @@ void bchannel_dtmf(struct bchannel *bchannel, int on)
sock = bchannel->b_sock;
bchannel->b_dtmf = 1;
- if (bchannel->b_state == BSTATE_ACTIVE)
+ if (bchannel->b_state == BSTATE_ACTIVE && bchannel->b_mode == 0)
ph_control(sock, on?DTMF_TONE_START:DTMF_TONE_STOP, 0, "DSP-DTMF", 1, bchannel->b_mode);
}
@@ -520,7 +547,7 @@ void bchannel_gain(struct bchannel *bchannel, int gain, int tx)
bchannel->b_tx_gain = gain;
else
bchannel->b_rx_gain = gain;
- if (bchannel->b_state == BSTATE_ACTIVE)
+ if (bchannel->b_state == BSTATE_ACTIVE && bchannel->b_mode == 0)
ph_control(sock, (tx)?DSP_VOL_CHANGE_TX:DSP_VOL_CHANGE_RX, gain, (tx)?"DSP-TX_GAIN":"DSP-RX_GAIN", gain, bchannel->b_mode);
}
@@ -564,7 +591,7 @@ int bchannel_handle(void)
case DL_ESTABLISH_IND:
case PH_ACTIVATE_CNF:
case DL_ESTABLISH_CNF:
- CDEBUG(NULL, NULL, "DL_ESTABLISH confirm: bchannel is now activated (socket %d).\n", bchannel->b_sock);
+ CDEBUG(bchannel->call, NULL, "DL_ESTABLISH confirm: bchannel is now activated (socket %d).\n", bchannel->b_sock);
bchannel_activated(bchannel);
break;
@@ -572,17 +599,17 @@ int bchannel_handle(void)
case DL_RELEASE_IND:
case PH_DEACTIVATE_CNF:
case DL_RELEASE_CNF:
- CDEBUG(NULL, NULL, "DL_RELEASE confirm: bchannel is now de-activated (socket %d).\n", bchannel->b_sock);
+ CDEBUG(bchannel->call, NULL, "DL_RELEASE confirm: bchannel is now de-activated (socket %d).\n", bchannel->b_sock);
// bchannel_deactivated(bchannel);
break;
default:
- CERROR(NULL, NULL, "child message not handled: prim(0x%x) socket(%d) data len(%d)\n", hh->prim, bchannel->b_sock, ret - MISDN_HEADER_LEN);
+ CERROR(bchannel->call, NULL, "child message not handled: prim(0x%x) socket(%d) data len(%d)\n", hh->prim, bchannel->b_sock, ret - MISDN_HEADER_LEN);
}
} else
{
if (ret < 0 && errno != EWOULDBLOCK)
- CERROR(NULL, NULL, "Read from socket %d failed with return code %d\n", bchannel->b_sock, ret);
+ CERROR(bchannel->call, NULL, "Read from socket %d failed with return code %d\n", bchannel->b_sock, ret);
}
}
bchannel = bchannel->next;