#define MISDN_OLD_AF_COMPATIBILITY 1
#include <compat_af_isdn.h>
+#define HAVE_ATTRIBUTE_always_inline 1
+#define HAVE_ARPA_INET_H 1
+#define HAVE_TIMERSUB 1
+
+#include <asterisk/compiler.h>
#include <asterisk/frame.h>
+/* Choose if you want to have chan_lcr for Asterisk 1.4.x or CallWeaver 1.2.x */
+/* #define LCR_FOR_CALLWEAVER */
+
+#ifdef LCR_FOR_CALLWEAVER
+#include <asterisk/phone_no_utils.h>
+#include <asterisk/logger.h>
+#include <asterisk/module.h>
+#include <asterisk/channel.h>
+#endif
#include "extension.h"
#include "message.h"
unsigned int on = 1;
struct sockaddr_mISDN addr;
- if (bchannel->b_sock > -1)
- {
+ if (bchannel->b_sock > -1) {
CERROR(bchannel->call, NULL, "Socket already created for handle 0x%x\n", bchannel->handle);
return(0);
}
/* open socket */
bchannel->b_mode = mode;
- switch(bchannel->b_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);
bchannel->b_sock = socket(PF_ISDN, SOCK_DGRAM, ISDN_P_B_HDLC);
break;
}
- if (bchannel->b_sock < 0)
- {
- 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);
+ if (bchannel->b_sock < 0) {
+ CERROR(bchannel->call, NULL, "Failed to open bchannel-socket for handle 0x%x with mISDN-DSP layer. Did you load mISDN_dsp.ko?\n", bchannel->handle);
return(0);
}
/* set nonblocking io */
ret = ioctl(bchannel->b_sock, FIONBIO, &on);
- if (ret < 0)
- {
+ if (ret < 0) {
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;
/* bind socket to bchannel */
addr.family = AF_ISDN;
- addr.dev = (bchannel->handle>>8)-1;
+ addr.dev = (bchannel->handle>>8);
addr.channel = bchannel->handle & 0xff;
ret = bind(bchannel->b_sock, (struct sockaddr *)&addr, sizeof(addr));
- if (ret < 0)
- {
- 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);
+ if (ret < 0) {
+ CERROR(bchannel->call, NULL, "Failed to bind bchannel-socket for handle 0x%x with mISDN-DSP layer. (port %d, channel %d) Did you load mISDN_dsp.ko?\n", bchannel->handle, addr.dev, addr.channel);
close(bchannel->b_sock);
bchannel->b_sock = -1;
return(0);
/* activate bchannel */
CDEBUG(bchannel->call, NULL, "%sActivating B-channel.\n", activate?"":"De-");
- switch(bchannel->b_mode)
- {
+ switch(bchannel->b_mode) {
case 0:
case 2:
act.prim = (activate)?DL_ESTABLISH_REQ:DL_RELEASE_REQ;
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;
}
*/
void bchannel_destroy(struct bchannel *bchannel)
{
- if (bchannel->b_sock > -1)
- {
+ if (bchannel->b_sock > -1) {
close(bchannel->b_sock);
bchannel->b_sock = -1;
- bchannel->rebuffer_usage = 0;
}
bchannel->b_state = BSTATE_IDLE;
}
struct bchannel *remote_bchannel;
int ret;
- if (hh->prim == PH_CONTROL_IND)
- {
+ if (hh->prim == PH_CONTROL_IND) {
/* non dsp -> ignore ph_control */
if (bchannel->b_mode == 1 || bchannel->b_mode == 3)
return;
- if (len < 4)
- {
+ if (len < 4) {
CERROR(bchannel->call, NULL, "SHORT READ OF PH_CONTROL INDICATION\n");
return;
}
- if ((cont&(~DTMF_TONE_MASK)) == DTMF_TONE_VAL)
- {
+ if ((cont&(~DTMF_TONE_MASK)) == DTMF_TONE_VAL) {
if (bchannel->call)
lcr_in_dtmf(bchannel->call, cont & DTMF_TONE_MASK);
return;
}
- switch(cont)
- {
+ switch(cont) {
case DSP_BF_REJECT:
CERROR(bchannel->call, NULL, "Blowfish crypt rejected.\n");
break;
}
return;
}
- if (hh->prim == PH_DATA_REQ)
- {
- if (!bchannel->b_txdata)
- {
+ if (hh->prim == PH_DATA_REQ) {
+ if (!bchannel->b_txdata) {
/* if tx is off, it may happen that fifos send us pending informations, we just ignore them */
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)
- {
+ if (hh->prim != PH_DATA_IND && hh->prim != DL_DATA_IND) {
CERROR(bchannel->call, NULL, "Bchannel received unknown primitve: 0x%lx\n", hh->prim);
return;
}
*/
/* if rx is off, it may happen that fifos send us pending informations, we just ignore them */
- if (bchannel->b_rxoff)
- {
+ if (bchannel->b_rxoff) {
CDEBUG(bchannel->call, NULL, "ignoring data, because rx is turned off\n");
return;
}
- if (!bchannel->call)
- {
+ if (!bchannel->call) {
CDEBUG(bchannel->call, NULL, "ignoring data, because no call associated with bchannel\n");
return;
}
- if (!bchannel->call->audiopath)
- {
+ if (!bchannel->call->audiopath) {
/* return, because we have no audio from port */
return;
}
- if (bchannel->call->pipe[1] < 0)
- {
+ if (bchannel->call->pipe[1] < 0) {
/* nobody there */
return;
}
/* if no hdlc */
- if (bchannel->b_mode == 0 || bchannel->b_mode == 1)
- {
+ if (bchannel->b_mode == 0 || bchannel->b_mode == 1) {
d = data;
for (i = 0; i < len; i++) {
*d = flip_bits[*d];
}
}
- /* no hdlc and rebuffer */
- if (bchannel->call->rebuffer && !bchannel->call->hdlc) {
- int u = bchannel->rebuffer_usage;
- unsigned char * b = bchannel->rebuffer;
- 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)
- goto errout;
- } else {
- memcpy(b + u, d, l);
- u += l;
- l = 0;
- }
- }
-
- while (l >= 160) {
- if (write(fd, d, 160) < 0)
- goto errout;
- d += 160;
- l -= 160;
- }
-
- if (l > 0) {
- memcpy(b, d, l);
- }
- bchannel->rebuffer_usage = u + l;
- } else {
- len = write(bchannel->call->pipe[1], data, len);
- if (len < 0)
- goto errout;
- }
+
+ len = write(bchannel->call->pipe[1], data, len);
+ if (len < 0)
+ goto errout;
return;
errout:
close(bchannel->call->pipe[1]);
bchannel->call->pipe[1] = -1;
- bchannel->rebuffer_usage = 0;
CDEBUG(bchannel->call, NULL, "broken pipe on bchannel pipe\n");
}
return;
if (len > 1024 || len < 1)
return;
- switch(bchannel->b_mode)
- {
+ switch(bchannel->b_mode) {
case 0:
for (i = 0; i < len; i++)
*p++ = flip_bits[*data++];
case 2:
memcpy(p, data, len);
frm->prim = DL_DATA_REQ;
- p[len] = 0;
- CDEBUG(bchannel->call, NULL, "HDLC DSP transmit: '%s'\n",
- p);
break;
case 3:
memcpy(p, data, len);
bchannel->b_conf = 0;
bchannel->b_rxoff = 0;
}
- if (bchannel->b_state == BSTATE_ACTIVE)
- {
+ if (bchannel->b_state == BSTATE_ACTIVE) {
ph_control(sock, DSP_RECEIVE_OFF, bchannel->b_rxoff, "DSP-RX_OFF", bchannel->b_conf, bchannel->b_mode);
ph_control(sock, DSP_CONF_JOIN, bchannel->b_conf, "DSP-CONF", bchannel->b_conf, bchannel->b_mode);
}
int sock;
sock = bchannel->b_sock;
- bchannel->b_dtmf = 1;
+ bchannel->b_dtmf = on;
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);
}
/* process all bchannels */
bchannel = bchannel_first;
- while(bchannel)
- {
+ while(bchannel) {
/* handle message from bchannel */
- if (bchannel->b_sock > -1)
- {
+ if (bchannel->b_sock > -1) {
ret = recv(bchannel->b_sock, buffer, sizeof(buffer), 0);
- if (ret >= (int)MISDN_HEADER_LEN)
- {
+ if (ret >= (int)MISDN_HEADER_LEN) {
work = 1;
- switch(hh->prim)
- {
+ switch(hh->prim) {
/* we don't care about confirms, we use rx data to sync tx */
case PH_DATA_CNF:
break;
default:
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
- {
+ } else {
if (ret < 0 && errno != EWOULDBLOCK)
CERROR(bchannel->call, NULL, "Read from socket %d failed with return code %d\n", bchannel->b_sock, ret);
}
{
struct bchannel *bchannel = bchannel_first;
- while(bchannel)
- {
+ while(bchannel) {
if (bchannel->handle == handle)
break;
bchannel = bchannel->next;
{
struct bchannel *bchannel = bchannel_first;
- while(bchannel)
- {
+ while(bchannel) {
if (bchannel->ref == ref)
break;
bchannel = bchannel->next;
{
struct bchannel **temp = &bchannel_first;
- while(*temp)
- {
- if (*temp == bchannel)
- {
+ while(*temp) {
+ if (*temp == bchannel) {
*temp = (*temp)->next;
if (bchannel->b_sock > -1)
bchannel_destroy(bchannel);
- if (bchannel->call)
- {
+ if (bchannel->call) {
if (bchannel->call->bchannel)
bchannel->call->bchannel = NULL;
}