#include <sys/socket.h>
#include <mISDNif.h>
+#define AF_COMPATIBILITY_FUNC 1
+#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"
#include "lcrsocket.h"
#include "cause.h"
+#include "select.h"
#include "bchannel.h"
#include "chan_lcr.h"
#include "callerid.h"
int bchannel_initialize(void)
{
- return(0);
+ init_af_isdn();
+
+ return 0;
}
void bchannel_deinitialize(void)
/*
* send control information to the channel (dsp-module)
*/
-static void ph_control(unsigned int handle, unsigned int c1, unsigned int c2, char *trace_name, int trace_value, int b_mode)
+static void ph_control(int sock, unsigned int c1, unsigned int c2, char *trace_name, int trace_value, int b_mode)
{
unsigned char buffer[MISDN_HEADER_LEN+sizeof(int)+sizeof(int)];
struct mISDNhead *ctrl = (struct mISDNhead *)buffer;
ctrl->id = 0;
*d++ = c1;
*d++ = c2;
- ret = sendto(handle, buffer, MISDN_HEADER_LEN+sizeof(int)*2, 0, NULL, 0);
+ ret = sendto(sock, buffer, MISDN_HEADER_LEN+sizeof(int)*2, 0, NULL, 0);
if (ret < 0)
- CERROR(NULL, NULL, "Failed to send to socket %d\n", handle);
+ CERROR(NULL, NULL, "Failed to send to socket %d\n", sock);
}
-static void ph_control_block(unsigned int handle, unsigned int c1, void *c2, int c2_len, char *trace_name, int trace_value, int b_mode)
+static void ph_control_block(int sock, unsigned int c1, void *c2, int c2_len, char *trace_name, int trace_value, int b_mode)
{
unsigned char buffer[MISDN_HEADER_LEN+sizeof(int)+c2_len];
struct mISDNhead *ctrl = (struct mISDNhead *)buffer;
ctrl->id = 0;
*d++ = c1;
memcpy(d, c2, c2_len);
- ret = sendto(handle, buffer, MISDN_HEADER_LEN+sizeof(int)+c2_len, 0, NULL, 0);
+ ret = sendto(sock, buffer, MISDN_HEADER_LEN+sizeof(int)+c2_len, 0, NULL, 0);
if (ret < 0)
- CERROR(NULL, NULL, "Failed to send to socket %d\n", handle);
+ CERROR(NULL, NULL, "Failed to send to socket %d\n", sock);
}
+static int bchannel_handle(struct lcr_fd *fd, unsigned int what, void *instance, int index);
/*
* create stack
int bchannel_create(struct bchannel *bchannel, int mode)
{
int ret;
- unsigned int on = 1;
struct sockaddr_mISDN addr;
- if (bchannel->b_sock)
- {
- CERROR(NULL, NULL, "Socket already created for handle 0x%x\n", bchannel->handle);
- return(0);
+ 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);
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);
- return(0);
- }
-
- /* set nonblocking io */
- 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);
- close(bchannel->b_sock);
- bchannel->b_sock = -1;
- return(0);
+ 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;
}
+ /* register fd */
+ memset(&bchannel->lcr_fd, 0, sizeof(bchannel->lcr_fd));
+ bchannel->lcr_fd.fd = bchannel->b_sock;
+ register_fd(&bchannel->lcr_fd, LCR_FD_READ | LCR_FD_EXCEPT, bchannel_handle, bchannel, 0);
+
/* 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(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);
+ 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);
+ unregister_fd(&bchannel->lcr_fd);
close(bchannel->b_sock);
bchannel->b_sock = -1;
- return(0);
+ return 0;
}
- return(1);
+ return 1;
}
int ret;
/* activate bchannel */
- CDEBUG(NULL, NULL, "%sActivating B-channel.\n", activate?"":"De-");
- switch(bchannel->b_mode)
- {
+ CDEBUG(bchannel->call, NULL, "%sActivating B-channel.\n", activate?"":"De-");
+ switch(bchannel->b_mode) {
case 0:
case 2:
act.prim = (activate)?DL_ESTABLISH_REQ:DL_RELEASE_REQ;
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;
}
*/
static void bchannel_activated(struct bchannel *bchannel)
{
- int handle;
+ int sock;
- handle = bchannel->b_sock;
+ sock = bchannel->b_sock;
/* set dsp features */
if (bchannel->b_txdata)
- ph_control(handle, (bchannel->b_txdata)?DSP_TXDATA_ON:DSP_TXDATA_OFF, 0, "DSP-TXDATA", bchannel->b_txdata, bchannel->b_mode);
- if (bchannel->b_delay)
- ph_control(handle, DSP_DELAY, bchannel->b_delay, "DSP-DELAY", bchannel->b_delay, bchannel->b_mode);
- if (bchannel->b_tx_dejitter)
- ph_control(handle, (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)
- ph_control(handle, DSP_VOL_CHANGE_TX, bchannel->b_tx_gain, "DSP-TX_GAIN", bchannel->b_tx_gain, bchannel->b_mode);
- if (bchannel->b_rx_gain)
- ph_control(handle, DSP_VOL_CHANGE_RX, bchannel->b_rx_gain, "DSP-RX_GAIN", bchannel->b_rx_gain, bchannel->b_mode);
- if (bchannel->b_pipeline[0])
- ph_control_block(handle, DSP_PIPELINE_CFG, bchannel->b_pipeline, strlen(bchannel->b_pipeline)+1, "DSP-PIPELINE", 0, bchannel->b_mode);
+ 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 && 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 && 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 && 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 && 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] && 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(handle, DSP_CONF_JOIN, bchannel->b_conf, "DSP-CONF", bchannel->b_conf, bchannel->b_mode);
+ ph_control(sock, DSP_CONF_JOIN, bchannel->b_conf, "DSP-CONF", bchannel->b_conf, bchannel->b_mode);
if (bchannel->b_echo)
- ph_control(handle, DSP_ECHO_ON, 0, "DSP-ECHO", 1, bchannel->b_mode);
- if (bchannel->b_tone)
- ph_control(handle, DSP_TONE_PATT_ON, bchannel->b_tone, "DSP-TONE", bchannel->b_tone, bchannel->b_mode);
+ ph_control(sock, DSP_ECHO_ON, 0, "DSP-ECHO", 1, bchannel->b_mode);
+ 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(handle, DSP_RECEIVE_OFF, 0, "DSP-RXOFF", 1, bchannel->b_mode);
-// if (bchannel->b_txmix)
-// ph_control(handle, DSP_MIX_ON, 0, "DSP-MIX", 1, bchannel->b_mode);
- if (bchannel->b_dtmf)
- ph_control(handle, DTMF_TONE_START, 0, "DSP-DTMF", 1, bchannel->b_mode);
- if (bchannel->b_bf_len)
- ph_control_block(handle, DSP_BF_ENABLE_KEY, bchannel->b_bf_key, bchannel->b_bf_len, "DSP-CRYPT", bchannel->b_bf_len, bchannel->b_mode);
+ ph_control(sock, DSP_RECEIVE_OFF, 0, "DSP-RXOFF", 1, bchannel->b_mode);
+// 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 && bchannel->b_mode == 0)
+ ph_control(sock, DTMF_TONE_START, 0, "DSP-DTMF", 1, bchannel->b_mode);
+ 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(handle, DSP_CONF_JOIN, bchannel->b_conf, "DSP-CONF", bchannel->b_conf, bchannel->b_mode);
+ ph_control(sock, DSP_CONF_JOIN, bchannel->b_conf, "DSP-CONF", bchannel->b_conf, bchannel->b_mode);
bchannel->b_state = BSTATE_ACTIVE;
}
*/
void bchannel_destroy(struct bchannel *bchannel)
{
- if (bchannel->b_sock > -1)
- {
+ if (bchannel->b_sock > -1) {
+ unregister_fd(&bchannel->lcr_fd);
close(bchannel->b_sock);
bchannel->b_sock = -1;
}
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)
- {
- if (len < 4)
- {
- CERROR(NULL, NULL, "SHORT READ OF PH_CONTROL INDICATION\n");
+ 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(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(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;
}
- 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(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);
+ 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 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.
*/
/* 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");
+ if (bchannel->b_rxoff) {
+ 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");
+ 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] > -1)
- {
- len = write(bchannel->call->pipe[1], data, len);
- if (len < 0)
- {
- close(bchannel->call->pipe[1]);
- bchannel->call->pipe[1] = -1;
- CDEBUG(NULL, NULL, "broken pipe on bchannel pipe\n");
- return;
+
+ if (bchannel->call->pipe[1] < 0) {
+ /* nobody there */
+ 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++;
}
}
+
+
+ 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;
+ CDEBUG(bchannel->call, NULL, "broken pipe on bchannel pipe\n");
}
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:
+ switch(bchannel->b_mode) {
+ case 0:
+ for (i = 0; i < len; i++)
+ *p++ = flip_bits[*data++];
frm->prim = DL_DATA_REQ;
break;
- case 1:
- case 3:
+ case 1:
+ for (i = 0; i < len; i++)
+ *p++ = flip_bits[*data++];
+ frm->prim = PH_DATA_REQ;
+ break;
+ case 2:
+ memcpy(p, data, len);
+ frm->prim = DL_DATA_REQ;
+ break;
+ case 3:
+ memcpy(p, data, len);
frm->prim = PH_DATA_REQ;
break;
}
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);
}
*/
void bchannel_join(struct bchannel *bchannel, unsigned short id)
{
- int handle;
+ int sock;
- handle = bchannel->b_sock;
+ sock = bchannel->b_sock;
if (id) {
bchannel->b_conf = (id<<16) + bchannel_pid;
bchannel->b_rxoff = 1;
bchannel->b_conf = 0;
bchannel->b_rxoff = 0;
}
- if (bchannel->b_state == BSTATE_ACTIVE)
- {
- ph_control(handle, DSP_RECEIVE_OFF, bchannel->b_rxoff, "DSP-RX_OFF", bchannel->b_conf, bchannel->b_mode);
- ph_control(handle, DSP_CONF_JOIN, bchannel->b_conf, "DSP-CONF", bchannel->b_conf, bchannel->b_mode);
+ 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);
}
}
*/
void bchannel_dtmf(struct bchannel *bchannel, int on)
{
- int handle;
+ int sock;
- handle = bchannel->b_sock;
- bchannel->b_dtmf = 1;
- if (bchannel->b_state == BSTATE_ACTIVE)
- ph_control(handle, on?DTMF_TONE_START:DTMF_TONE_STOP, 0, "DSP-DTMF", 1, bchannel->b_mode);
+ sock = bchannel->b_sock;
+ 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);
}
*/
void bchannel_blowfish(struct bchannel *bchannel, unsigned char *key, int len)
{
- int handle;
+ int sock;
- handle = bchannel->b_sock;
+ sock = bchannel->b_sock;
memcpy(bchannel->b_bf_key, key, len);
bchannel->b_bf_len = len;
if (bchannel->b_state == BSTATE_ACTIVE)
- ph_control_block(handle, DSP_BF_ENABLE_KEY, bchannel->b_bf_key, bchannel->b_bf_len, "DSP-CRYPT", bchannel->b_bf_len, bchannel->b_mode);
+ 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);
}
*/
void bchannel_pipeline(struct bchannel *bchannel, char *pipeline)
{
- int handle;
+ int sock;
- handle = bchannel->b_sock;
+ sock = bchannel->b_sock;
strncpy(bchannel->b_pipeline, pipeline, sizeof(bchannel->b_pipeline)-1);
if (bchannel->b_state == BSTATE_ACTIVE)
- ph_control_block(handle, DSP_PIPELINE_CFG, bchannel->b_pipeline, strlen(bchannel->b_pipeline)+1, "DSP-PIPELINE", 0, bchannel->b_mode);
+ ph_control_block(sock, DSP_PIPELINE_CFG, bchannel->b_pipeline, strlen(bchannel->b_pipeline)+1, "DSP-PIPELINE", 0, bchannel->b_mode);
}
*/
void bchannel_gain(struct bchannel *bchannel, int gain, int tx)
{
- int handle;
+ int sock;
- handle = bchannel->b_sock;
+ sock = bchannel->b_sock;
if (tx)
bchannel->b_tx_gain = gain;
else
bchannel->b_rx_gain = gain;
- if (bchannel->b_state == BSTATE_ACTIVE)
- ph_control(handle, (tx)?DSP_VOL_CHANGE_TX:DSP_VOL_CHANGE_RX, gain, (tx)?"DSP-TX_GAIN":"DSP-RX_GAIN", gain, bchannel->b_mode);
+ 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);
}
/*
* main loop for processing messages from mISDN
*/
-int bchannel_handle(void)
+static int bchannel_handle(struct lcr_fd *fd, unsigned int what, void *instance, int index)
{
- int ret, work = 0;
- struct bchannel *bchannel;
- char buffer[2048+MISDN_HEADER_LEN];
+ struct bchannel *bchannel = (struct bchannel *)instance;
+ int ret;
+ unsigned char buffer[2048+MISDN_HEADER_LEN];
struct mISDNhead *hh = (struct mISDNhead *)buffer;
- /* process all bchannels */
- bchannel = bchannel_first;
- while(bchannel)
- {
- /* handle message from bchannel */
- if (bchannel->b_sock > -1)
- {
- ret = recv(bchannel->b_sock, buffer, sizeof(buffer), 0);
- if (ret >= (int)MISDN_HEADER_LEN)
- {
- work = 1;
- switch(hh->prim)
- {
- /* we don't care about confirms, we use rx data to sync tx */
- case PH_DATA_CNF:
- break;
-
- /* we receive audio data, we respond to it AND we send tones */
- case PH_DATA_IND:
- case PH_DATA_REQ:
- case DL_DATA_IND:
- case PH_CONTROL_IND:
- bchannel_receive(bchannel, buffer, ret-MISDN_HEADER_LEN);
- break;
-
- case PH_ACTIVATE_IND:
- 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);
- bchannel_activated(bchannel);
- break;
-
- case PH_DEACTIVATE_IND:
- 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);
+ ret = recv(bchannel->b_sock, buffer, sizeof(buffer), 0);
+ if (ret >= (int)MISDN_HEADER_LEN) {
+ switch(hh->prim) {
+ /* we don't care about confirms, we use rx data to sync tx */
+ case PH_DATA_CNF:
+ break;
+
+ /* we receive audio data, we respond to it AND we send tones */
+ case PH_DATA_IND:
+ case PH_DATA_REQ:
+ case DL_DATA_IND:
+ case PH_CONTROL_IND:
+ bchannel_receive(bchannel, buffer, ret-MISDN_HEADER_LEN);
+ break;
+
+ case PH_ACTIVATE_IND:
+ case DL_ESTABLISH_IND:
+ case PH_ACTIVATE_CNF:
+ case DL_ESTABLISH_CNF:
+ CDEBUG(bchannel->call, NULL, "DL_ESTABLISH confirm: bchannel is now activated (socket %d).\n", bchannel->b_sock);
+ bchannel_activated(bchannel);
+ break;
+
+ case PH_DEACTIVATE_IND:
+ case DL_RELEASE_IND:
+ case PH_DEACTIVATE_CNF:
+ case DL_RELEASE_CNF:
+ 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);
- }
- } else
- {
- if (ret < 0 && errno != EWOULDBLOCK)
- CERROR(NULL, NULL, "Read from socket %d failed with return code %d\n", bchannel->b_sock, ret);
- }
+ 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);
}
- bchannel = bchannel->next;
+ } else {
+// if (ret < 0 && errno != EWOULDBLOCK)
+ CERROR(bchannel->call, NULL, "Read from socket %d failed with return code %d\n", bchannel->b_sock, ret);
}
/* if we received at least one b-frame, we will return 1 */
- return(work);
+ return 0;
}
{
struct bchannel *bchannel = bchannel_first;
- while(bchannel)
- {
+ while(bchannel) {
if (bchannel->handle == handle)
break;
bchannel = bchannel->next;
}
- return(bchannel);
+ return bchannel;
}
#if 0
{
struct bchannel *bchannel = bchannel_first;
- while(bchannel)
- {
+ while(bchannel) {
if (bchannel->ref == ref)
break;
bchannel = bchannel->next;
}
- return(bchannel);
+ return bchannel;
}
#endif
*bchannelp = (struct bchannel *)calloc(1, sizeof(struct bchannel));
if (!*bchannelp)
- return(NULL);
+ return NULL;
(*bchannelp)->handle = handle;
(*bchannelp)->b_state = BSTATE_IDLE;
+ (*bchannelp)->b_sock = -1;
- return(*bchannelp);
+ return *bchannelp;
}
void free_bchannel(struct bchannel *bchannel)
{
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;
}