** **
\*****************************************************************************/
-
-
-
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
-#ifdef SOCKET_MISDN
#include <netinet/udp.h>
#include <netinet/in.h>
#include <netdb.h>
#include <sys/socket.h>
-#include <pthread.h>
-#else
-#include "mISDNlib.h"
-#include <linux/mISDNif.h>
-#endif
+#include <mISDNif.h>
+
+#include <asterisk/frame.h>
+
+
+#include "extension.h"
+#include "message.h"
+#include "lcrsocket.h"
+#include "cause.h"
#include "bchannel.h"
+#include "chan_lcr.h"
+#include "callerid.h"
+
#ifndef ISDN_PID_L4_B_USER
#define ISDN_PID_L4_B_USER 0x440000ff
#endif
-#define PERROR(arg...) fprintf(stderr, ##arg)
-#define PDEBUG(arg...) while(0)
-
pid_t bchannel_pid;
enum {
BSTATE_IDLE,
BSTATE_ACTIVATING,
BSTATE_ACTIVE,
+ BSTATE_DEACTIVATING,
};
-#ifdef SOCKET_MISDN
int bchannel_initialize(void)
{
void bchannel_deinitialize(void)
{
}
-#else
-int bchannel_entity = 0; /* used for udevice */
-int bchannel_device = -1; /* the device handler and port list */
-
-int bchannel_initialize(void)
-{
- char debug_log[128];
- unsigned char buff[1025];
- iframe_t *frm = (iframe_t *)buff;
- int ret;
-
- /* open mISDNdevice if not already open */
- if (bchannel_device < 0)
- {
- ret = mISDN_open();
- if (ret < 0)
- {
- PERROR("cannot open mISDN device ret=%d errno=%d (%s) Check for mISDN modules!\nAlso did you create \"/dev/mISDN\"? Do: \"mknod /dev/mISDN c 46 0\"\n", ret, errno, strerror(errno));
- return(-1);
- }
- bchannel_device = ret;
- PDEBUG("mISDN device opened.\n");
-
- /* create entity for layer 3 TE-mode */
- mISDN_write_frame(bchannel_device, buff, 0, MGR_NEWENTITY | REQUEST, 0, 0, NULL, TIMEOUT_1SEC);
- ret = mISDN_read_frame(bchannel_device, frm, sizeof(iframe_t), 0, MGR_NEWENTITY | CONFIRM, TIMEOUT_1SEC);
- if (ret < (int)mISDN_HEADER_LEN)
- {
- noentity:
- PERROR("Cannot request MGR_NEWENTITY from mISDN. Exitting due to software bug.");
- return(-1);
- }
- bchannel_entity = frm->dinfo & 0xffff;
- if (!bchannel_entity)
- goto noentity;
- }
- return(0);
-}
-
-void bchannel_deinitialize(void)
-{
- unsigned char buff[1025];
-
- if (bchannel_device >= 0)
- {
- /* free entity */
- mISDN_write_frame(bchannel_device, buff, 0, MGR_DELENTITY | REQUEST, bchannel_entity, 0, NULL, TIMEOUT_1SEC);
- /* close device */
- mISDN_close(bchannel_device);
- bchannel_device = -1;
- }
-}
-#endif
/*
* send control information to the channel (dsp-module)
*/
static void ph_control(unsigned long handle, unsigned long c1, unsigned long c2, char *trace_name, int trace_value)
{
-#ifdef SOCKET_MISDN
unsigned char buffer[MISDN_HEADER_LEN+sizeof(int)+sizeof(int)];
struct mISDNhead *ctrl = (struct mISDNhead *)buffer;
- unsigned long *d = buffer+MISDN_HEADER_LEN;
+ unsigned long *d = (unsigned long *)(buffer+MISDN_HEADER_LEN);
int ret;
+ CDEBUG(NULL, NULL, "Sending PH_CONTROL %d,%d\n", c1, c2);
ctrl->prim = PH_CONTROL_REQ;
ctrl->id = 0;
*d++ = c1;
*d++ = c2;
ret = sendto(handle, buffer, MISDN_HEADER_LEN+sizeof(int)*2, 0, NULL, 0);
- if (!ret)
- PERROR("Failed to send to socket %d\n", handle);
-#else
- unsigned char buffer[mISDN_HEADER_LEN+sizeof(int)+sizeof(int)];
- iframe_t *ctrl = (iframe_t *)buffer;
- unsigned long *d = (unsigned long *)&ctrl->data.p;
-
- ctrl->prim = PH_CONTROL | REQUEST;
- ctrl->addr = handle | FLG_MSG_DOWN;
- ctrl->dinfo = 0;
- ctrl->len = sizeof(int)*2;
- *d++ = c1;
- *d++ = c2;
- mISDN_write(bchannel_device, ctrl, mISDN_HEADER_LEN+ctrl->len, TIMEOUT_1SEC);
-#endif
+ if (ret < 0)
+ CERROR(NULL, NULL, "Failed to send to socket %d\n", handle);
#if 0
chan_trace_header(mISDNport, isdnport, "BCHANNEL control", DIRECTION_OUT);
if (c1 == CMX_CONF_JOIN)
static void ph_control_block(unsigned long handle, unsigned long c1, void *c2, int c2_len, char *trace_name, int trace_value)
{
-#ifdef SOCKET_MISDN
unsigned char buffer[MISDN_HEADER_LEN+sizeof(int)+c2_len];
struct mISDNhead *ctrl = (struct mISDNhead *)buffer;
- unsigned long *d = buffer+MISDN_HEADER_LEN;
+ unsigned long *d = (unsigned long *)(buffer+MISDN_HEADER_LEN);
int ret;
+ CDEBUG(NULL, NULL, "Sending PH_CONTROL (block) %d\n", c1);
ctrl->prim = PH_CONTROL_REQ;
ctrl->id = 0;
*d++ = c1;
memcpy(d, c2, c2_len);
ret = sendto(handle, buffer, MISDN_HEADER_LEN+sizeof(int)+c2_len, 0, NULL, 0);
- if (!ret)
- PERROR("Failed to send to socket %d\n", handle);
-#else
- unsigned char buffer[mISDN_HEADER_LEN+sizeof(int)+c2_len];
- iframe_t *ctrl = (iframe_t *)buffer;
- unsigned long *d = (unsigned long *)&ctrl->data.p;
-
- ctrl->prim = PH_CONTROL | REQUEST;
- ctrl->addr = handle | FLG_MSG_DOWN;
- ctrl->dinfo = 0;
- ctrl->len = sizeof(int)+c2_len;
- *d++ = c1;
- memcpy(d, c2, c2_len);
- mISDN_write(bchannel_device, ctrl, mISDN_HEADER_LEN+ctrl->len, TIMEOUT_1SEC);
-#endif
+ if (ret < 0)
+ CERROR(NULL, NULL, "Failed to send to socket %d\n", handle);
#if 0
chan_trace_header(mISDNport, isdnport, "BCHANNEL control", DIRECTION_OUT);
add_trace(trace_name, NULL, "%d", trace_value);
/*
* create stack
*/
-int bchannel_create(struct bchannel *channel)
+int bchannel_create(struct bchannel *bchannel)
{
- unsigned char buff[1024];
int ret;
-#ifdef SOCKET_MISDN
unsigned long on = 1;
- struct sockadd_mISDN addr;
+ struct sockaddr_mISDN addr;
- if (channel->b_sock)
+ if (bchannel->b_sock)
{
- PERROR("Error: Socket already created for handle 0x%x\n", channel->handle);
+ CERROR(NULL, NULL, "Socket already created for handle 0x%x\n", bchannel->handle);
return(0);
}
/* open socket */
- channel->b_sock = socket(PF_ISDN, SOCK_DGRAM, ISDN_P_B_L2DSP);
- if (channel->b_sock < 0)
+ bchannel->b_sock = socket(PF_ISDN, SOCK_DGRAM, ISDN_P_B_L2DSP);
+ if (bchannel->b_sock < 0)
{
- PERROR("Error: Failed to open bchannel-socket for handle 0x%x with mISDN-DSP layer. Did you load mISDNdsp.ko?\n", channel->handle);
+ 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(channel->b_sock, FIONBIO, &on);
+ ret = ioctl(bchannel->b_sock, FIONBIO, &on);
if (ret < 0)
{
- PERROR("Error: Failed to set bchannel-socket handle 0x%x into nonblocking IO\n", channel->handle);
- close(channel->b_sock);
- channel->b_sock = -1;
+ 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;
+ bchannel->handle = 0;
return(0);
}
/* bind socket to bchannel */
addr.family = AF_ISDN;
- addr.dev = (channel->handle>>8)-1;
- addr.channel = channel->handle && 0xff;
- ret = bind(channel->b_sock, (struct sockaddr *)&addr, sizeof(addr));
+ addr.dev = (bchannel->handle>>8)-1;
+ addr.channel = bchannel->handle && 0xff;
+ ret = bind(bchannel->b_sock, (struct sockaddr *)&addr, sizeof(addr));
if (ret < 0)
{
- PERROR("Error: Failed to bind bchannel-socket for handle 0x%x with mISDN-DSP layer. Did you load mISDNdsp.ko?\n", channel->handle);
- close(channel->b_sock);
- channel->b_sock = -1;
+ CERROR(NULL, NULL, "Failed to bind bchannel-socket for handle 0x%x with mISDN-DSP layer. Did you load mISDNdsp.ko?\n", bchannel->handle);
+ close(bchannel->b_sock);
+ bchannel->b_sock = -1;
return(0);
}
add_trace("socket", NULL, "%d", mISDNport->b_socket[i]);
end_trace();
#endif
-#else
- layer_info_t li;
- mISDN_pid_t pid;
-
- if (channel->b_stid)
- {
- PERROR("Error: stack already created for address 0x%x\n", channel->b_stid);
- return(0);
- }
-
- if (channel->b_addr)
- {
- PERROR("Error: stack already created for address 0x%x\n", channel->b_addr);
- return(0);
- }
-
- /* create new layer */
- PDEBUG("creating new layer for stid 0x%x.\n" , channel->handle);
- memset(&li, 0, sizeof(li));
- memset(&pid, 0, sizeof(pid));
- li.object_id = -1;
- li.extentions = 0;
- li.st = channel->handle;
- strcpy(li.name, "B L4");
- li.pid.layermask = ISDN_LAYER((4));
- li.pid.protocol[4] = ISDN_PID_L4_B_USER;
- ret = mISDN_new_layer(bchannel_device, &li);
- if (ret)
- {
- failed_new_layer:
- PERROR("mISDN_new_layer() failed to add bchannel for stid 0x%x.\n", channel->handle);
- goto failed;
- }
- if (!li.id)
- {
- goto failed_new_layer;
- }
- channel->b_stid = channel->handle;
- channel->b_addr = li.id;
- PDEBUG("new layer (b_addr=0x%x)\n", channel->b_addr);
-
- /* create new stack */
- pid.protocol[1] = ISDN_PID_L1_B_64TRANS;
- pid.protocol[2] = ISDN_PID_L2_B_TRANS;
- pid.protocol[3] = ISDN_PID_L3_B_DSP;
- pid.protocol[4] = ISDN_PID_L4_B_USER;
- pid.layermask = ISDN_LAYER((1)) | ISDN_LAYER((2)) | ISDN_LAYER((3)) | ISDN_LAYER((4));
- ret = mISDN_set_stack(bchannel_device, channel->b_stid, &pid);
- if (ret)
- {
- stack_error:
- PERROR("mISDN_set_stack() failed (ret=%d) to add bchannel stid=0x%x\n", ret, channel->b_stid);
- mISDN_write_frame(bchannel_device, buff, channel->b_addr, MGR_DELLAYER | REQUEST, 0, 0, NULL, TIMEOUT_1SEC);
- goto failed;
- }
- ret = mISDN_get_setstack_ind(bchannel_device, channel->b_addr);
- if (ret)
- goto stack_error;
-
- /* get layer id */
- channel->b_addr = mISDN_get_layerid(bchannel_device, channel->b_stid, 4);
- if (!channel->b_addr)
- goto stack_error;
-#if 0
- chan_trace_header(mISDNport, mISDNport->b_port[i], "BCHANNEL create stack", DIRECTION_OUT);
- add_trace("channel", NULL, "%d", i+1+(i>=15));
- add_trace("stack", "id", "0x%08x", mISDNport->b_stid[i]);
- add_trace("stack", "address", "0x%08x", mISDNport->b_addr[i]);
- end_trace();
-#endif
-#endif
-
return(1);
-
-failed:
- channel->b_stid = 0;
- channel->b_addr = 0;
- return(0);
}
/*
* activate / deactivate request
*/
-void bchannel_activate(struct bchannel *channel, int activate)
+void bchannel_activate(struct bchannel *bchannel, int activate)
{
-#ifdef SOCKET_MISDN
struct mISDNhead act;
int ret;
+ /* activate bchannel */
+ CDEBUG(NULL, NULL, "%sActivating B-channel.\n", activate?"":"De-");
act.prim = (activate)?DL_ESTABLISH_REQ:DL_RELEASE_REQ;
act.id = 0;
- ret = sendto(channel->b_sock, &act, MISDN_HEADER_LEN, 0, NULL, 0);
- if (!ret)
- PERROR("Failed to send to socket %d\n", channel->b_sock);
-#else
- iframe_t act;
-
- /* activate bchannel */
- act.prim = (activate?DL_ESTABLISH:DL_RELEASE) | REQUEST;
- act.addr = channel->b_addr | FLG_MSG_DOWN;
- act.dinfo = 0;
- act.len = 0;
- mISDN_write(bchannel_device, &act, mISDN_HEADER_LEN+act.len, TIMEOUT_1SEC);
-#endif
+ 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);
- channel->b_state = BSTATE_ACTIVATING;
+ bchannel->b_state = (activate)?BSTATE_ACTIVATING:BSTATE_DEACTIVATING;
#if 0
/* trace */
chan_trace_header(mISDNport, mISDNport->b_port[i], activate?(char*)"BCHANNEL activate":(char*)"BCHANNEL deactivate", DIRECTION_OUT);
/*
* set features
*/
-static void bchannel_activated(struct bchannel *channel)
+static void bchannel_activated(struct bchannel *bchannel)
{
-#ifdef SOCKET_MISDN
int handle;
- handle = channel->b_sock;
-#else
- unsigned long handle;
-
- handle = channel->b_addr;
-#endif
+ handle = bchannel->b_sock;
/* set dsp features */
- if (channel->b_txdata)
- ph_control(handle, (channel->b_txdata)?CMX_TXDATA_ON:CMX_TXDATA_OFF, 0, "DSP-TXDATA", channel->b_txdata);
- if (channel->b_delay)
- ph_control(handle, CMX_DELAY, channel->b_delay, "DSP-DELAY", channel->b_delay);
- if (channel->b_tx_dejitter)
- ph_control(handle, (channel->b_tx_dejitter)?CMX_TX_DEJITTER:CMX_TX_DEJ_OFF, 0, "DSP-DELAY", channel->b_tx_dejitter);
- if (channel->b_tx_gain)
- ph_control(handle, VOL_CHANGE_TX, channel->b_tx_gain, "DSP-TX_GAIN", channel->b_tx_gain);
- if (channel->b_rx_gain)
- ph_control(handle, VOL_CHANGE_RX, channel->b_rx_gain, "DSP-RX_GAIN", channel->b_rx_gain);
- if (channel->b_pipeline[0])
- ph_control_block(handle, PIPELINE_CFG, channel->b_pipeline, strlen(channel->b_pipeline)+1, "DSP-PIPELINE", 0);
- if (channel->b_conf)
- ph_control(handle, CMX_CONF_JOIN, channel->b_conf, "DSP-CONF", channel->b_conf);
- if (channel->b_echo)
- ph_control(handle, CMX_ECHO_ON, 0, "DSP-ECHO", 1);
- if (channel->b_tone)
- ph_control(handle, TONE_PATT_ON, channel->b_tone, "DSP-TONE", channel->b_tone);
- if (channel->b_rxoff)
- ph_control(handle, CMX_RECEIVE_OFF, 0, "DSP-RXOFF", 1);
-// if (channel->b_txmix)
-// ph_control(handle, CMX_MIX_ON, 0, "DSP-MIX", 1);
- if (channel->b_dtmf)
+ if (bchannel->b_txdata)
+ ph_control(handle, (bchannel->b_txdata)?DSP_TXDATA_ON:DSP_TXDATA_OFF, 0, "DSP-TXDATA", bchannel->b_txdata);
+ if (bchannel->b_delay)
+ ph_control(handle, DSP_DELAY, bchannel->b_delay, "DSP-DELAY", bchannel->b_delay);
+ 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);
+ if (bchannel->b_tx_gain)
+ ph_control(handle, DSP_VOL_CHANGE_TX, bchannel->b_tx_gain, "DSP-TX_GAIN", bchannel->b_tx_gain);
+ if (bchannel->b_rx_gain)
+ ph_control(handle, DSP_VOL_CHANGE_RX, bchannel->b_rx_gain, "DSP-RX_GAIN", bchannel->b_rx_gain);
+ if (bchannel->b_pipeline[0])
+ ph_control_block(handle, DSP_PIPELINE_CFG, bchannel->b_pipeline, strlen(bchannel->b_pipeline)+1, "DSP-PIPELINE", 0);
+ if (bchannel->b_conf)
+ ph_control(handle, DSP_CONF_JOIN, bchannel->b_conf, "DSP-CONF", bchannel->b_conf);
+ if (bchannel->b_echo)
+ ph_control(handle, DSP_ECHO_ON, 0, "DSP-ECHO", 1);
+ if (bchannel->b_tone)
+ ph_control(handle, DSP_TONE_PATT_ON, bchannel->b_tone, "DSP-TONE", bchannel->b_tone);
+ if (bchannel->b_rxoff)
+ ph_control(handle, DSP_RECEIVE_OFF, 0, "DSP-RXOFF", 1);
+// if (bchannel->b_txmix)
+// ph_control(handle, DSP_MIX_ON, 0, "DSP-MIX", 1);
+ if (bchannel->b_dtmf)
ph_control(handle, DTMF_TONE_START, 0, "DSP-DTMF", 1);
- if (channel->b_crypt_len)
- ph_control_block(handle, BF_ENABLE_KEY, channel->b_crypt_key, channel->b_crypt_len, "DSP-CRYPT", channel->b_crypt_len);
- if (channel->b_conf)
- ph_control(handle, CMX_CONF_JOIN, channel->b_conf, "DSP-CONF", channel->b_conf);
+ if (bchannel->b_crypt_len)
+ ph_control_block(handle, DSP_BF_ENABLE_KEY, bchannel->b_crypt_key, bchannel->b_crypt_len, "DSP-CRYPT", bchannel->b_crypt_len);
+ if (bchannel->b_conf)
+ ph_control(handle, DSP_CONF_JOIN, bchannel->b_conf, "DSP-CONF", bchannel->b_conf);
- channel->b_state = BSTATE_ACTIVE;
+ bchannel->b_state = BSTATE_ACTIVE;
}
/*
* destroy stack
*/
-static void bchannel_destroy(struct bchannel *channel)
+static void bchannel_destroy(struct bchannel *bchannel)
{
-#ifdef SOCKET_MISDN
#if 0
chan_trace_header(mISDNport, mISDNport->b_port[i], "BCHANNEL remove socket", DIRECTION_OUT);
add_trace("channel", NULL, "%d", i+1+(i>=15));
add_trace("socket", NULL, "%d", mISDNport->b_socket[i]);
end_trace();
#endif
- if (channel->b_sock > -1)
- {
- close(channel->b_sock);
- channel->b_sock = -1;
- }
-#else
- unsigned char buff[1024];
-
-#if 0
- chan_trace_header(mISDNport, mISDNport->b_port[i], "BCHANNEL remove stack", DIRECTION_OUT);
- add_trace("channel", NULL, "%d", i+1+(i>=15));
- add_trace("stack", "id", "0x%08x", mISDNport->b_stid[i]);
- add_trace("stack", "address", "0x%08x", mISDNport->b_addr[i]);
- end_trace();
-#endif
- /* remove our stack only if set */
- if (channel->b_addr)
+ if (bchannel->b_sock > -1)
{
- PDEBUG("free stack (b_addr=0x%x)\n", channel->b_addr);
- mISDN_clear_stack(bchannel_device, channel->b_stid);
- mISDN_write_frame(bchannel_device, buff, channel->b_addr | FLG_MSG_DOWN, MGR_DELLAYER | REQUEST, 0, 0, NULL, TIMEOUT_1SEC);
- channel->b_stid = 0;
- channel->b_addr = 0;
+ close(bchannel->b_sock);
+ bchannel->b_sock = -1;
}
-#endif
- channel->b_state = BSTATE_IDLE;
+ bchannel->b_state = BSTATE_IDLE;
}
/*
* whenever we get audio data from bchannel, we process it here
*/
-static void bchannel_receive(struct bchannel *channel, unsigned long prim, unsigned long dinfo, unsigned char *data, int len)
+static void bchannel_receive(struct bchannel *bchannel, unsigned long prim, unsigned long dinfo, unsigned char *data, int len)
{
unsigned long cont = *((unsigned long *)data);
- unsigned char *data_temp;
- unsigned long length_temp;
- unsigned char *p;
- int l;
+// unsigned char *data_temp;
+// unsigned long length_temp;
+// unsigned char *p;
+// int l;
- if (prim == (PH_CONTROL | INDICATION))
+ if (prim == PH_CONTROL_IND)
{
if (len < 4)
{
- PERROR("SHORT READ OF PH_CONTROL INDICATION\n");
+ CERROR(NULL, NULL, "SHORT READ OF PH_CONTROL INDICATION\n");
return;
}
if ((cont&(~DTMF_TONE_MASK)) == DTMF_TONE_VAL)
add_trace("DTMF", NULL, "%c", cont & DTMF_TONE_MASK);
end_trace();
#endif
- if (channel->rx_dtmf)
- channel->rx_dtmf(channel, cont & DTMF_TONE_MASK);
+ if (bchannel->rx_dtmf)
+ bchannel->rx_dtmf(bchannel, cont & DTMF_TONE_MASK);
return;
}
switch(cont)
{
- case BF_REJECT:
+ case DSP_BF_REJECT:
#if 0
chan_trace_header(p_m_mISDNport, this, "BCHANNEL control", DIRECTION_IN);
add_trace("DSP-CRYPT", NULL, "error");
#endif
break;
- case BF_ACCEPT:
+ case DSP_BF_ACCEPT:
#if 0
chan_trace_header(p_m_mISDNport, this, "BCHANNEL control", DIRECTION_IN);
add_trace("DSP-CRYPT", NULL, "ok");
}
return;
}
- if (prim == (PH_SIGNAL | INDICATION))
+ if (prim == PH_DATA_REQ)
{
- switch(dinfo)
+ if (!bchannel->b_txdata)
{
- case CMX_TX_DATA:
- if (!channel->b_txdata)
- {
- /* if tx is off, it may happen that fifos send us pending informations, we just ignore them */
- PDEBUG("PmISDN(%s) ignoring tx data, because 'txdata' is turned off\n", p_name);
- return;
- }
- break;
-
- default:
-#if 0
- chan_trace_header(p_m_mISDNport, this, "BCHANNEL signal", DIRECTION_IN);
- add_trace("unknown", NULL, "0x%x", frm->dinfo);
- end_trace();
-#else
- ;
-#endif
+ /* 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");
+ return;
}
return;
}
if (prim != PH_DATA_IND && prim != DL_DATA_IND)
{
- PERROR("Bchannel received unknown primitve: 0x%x\n", prim);
+ CERROR(NULL, NULL, "Bchannel received unknown primitve: 0x%lx\n", prim);
return;
}
/* calls will not process any audio data unless
*/
/* if rx is off, it may happen that fifos send us pending informations, we just ignore them */
- if (channel->b_rxoff)
+ if (bchannel->b_rxoff)
{
- PDEBUG("PmISDN(%s) ignoring data, because rx is turned off\n", p_name);
+ CDEBUG(NULL, NULL, "ignoring data, because rx is turned off\n");
return;
}
- if (channel->rx_data)
- channel->rx_data(channel, data, len);
+ if (!bchannel->call)
+ {
+ CDEBUG(NULL, NULL, "ignoring data, because no call associated with bchannel\n");
+ return;
+ }
+ 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;
+ }
+ }
}
/*
* transmit data to bchannel
*/
-void bchannel_transmit(struct bchannel *channel, unsigned char *data, int len)
+void bchannel_transmit(struct bchannel *bchannel, unsigned char *data, int len)
{
- unsigned char buff[1025];
- iframe_t *frm = (iframe_t *)buff;
+ unsigned char buff[1024 + MISDN_HEADER_LEN], *p = buff + MISDN_HEADER_LEN;
+ struct mISDNhead *frm = (struct mISDNhead *)buff;
+ int ret;
+ int i;
- if (channel->b_state != BSTATE_ACTIVE)
+ if (bchannel->b_state != BSTATE_ACTIVE)
+ return;
+ if (len > 1024 || len < 1)
return;
-#ifdef SOCKET_MISDN
+ for (i = 0; i < len; i++)
+ *p++ = flip_bits[*data++];
frm->prim = DL_DATA_REQ;
frm->id = 0;
- ret = sendto(channel->b_sock, data, len, 0, NULL, 0);
- if (!ret)
- PERROR("Failed to send to socket %d\n", channel->b_sock);
-#else
- frm->prim = DL_DATA | REQUEST;
- frm->addr = channel->b_addr | FLG_MSG_DOWN;
- frm->dinfo = 0;
- frm->len = len;
- if (frm->len)
- mISDN_write(bchannel_device, frm, mISDN_HEADER_LEN+frm->len, TIMEOUT_1SEC);
-#endif
+ 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);
}
/*
* join bchannel
*/
-void bchannel_join(struct bchannel *channel, unsigned short id)
+void bchannel_join(struct bchannel *bchannel, unsigned short id)
{
-#ifdef SOCKET_MISDN
int handle;
- handle = channel->b_sock;
-#else
- unsigned long handle;
-
- handle = channel->b_addr;
-#endif
- if (id)
- channel->b_conf = (id<<16) + bchannel_pid;
- else
- channel->b_conf = 0;
- if (channel->b_state == BSTATE_ACTIVE)
- ph_control(handle, CMX_CONF_JOIN, channel->b_conf, "DSP-CONF", channel->b_conf);
+ handle = bchannel->b_sock;
+ if (id) {
+ bchannel->b_conf = (id<<16) + bchannel_pid;
+ bchannel->b_rxoff = 1;
+ } else {
+ 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);
+ ph_control(handle, DSP_CONF_JOIN, bchannel->b_conf, "DSP-CONF", bchannel->b_conf);
+ }
}
/*
* main loop for processing messages from mISDN
*/
-#ifdef SOCKET_MISDN
int bchannel_handle(void)
{
int ret, work = 0;
- struct bchannel *channel;
- int i;
+ struct bchannel *bchannel;
char buffer[2048+MISDN_HEADER_LEN];
struct mISDNhead *hh = (struct mISDNhead *)buffer;
/* process all bchannels */
- channel = bchannel_first;
- while(channel)
+ bchannel = bchannel_first;
+ while(bchannel)
{
/* handle message from bchannel */
- if (channel->b_sock > -1)
+ if (bchannel->b_sock > -1)
{
- ret = recv(channel->b_sock, buffer, sizeof(buffer), 0);
- if (ret >= MISDN_HEADER_LEN)
+ 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_CONF:
- case DL_DATA_CONF:
+ 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_SIGNAL_IND:
- case PH_CONTROL | INDICATION:
- bchannel_receive(channel, hh->prim, hh->dinfo, buffer+MISDN_HEADER_LEN, ret-MISDN_HEADER_LEN);
+ case PH_CONTROL_IND:
+ bchannel_receive(bchannel, hh->prim, hh->id, buffer+MISDN_HEADER_LEN, ret-MISDN_HEADER_LEN);
break;
case PH_ACTIVATE_IND:
case DL_ESTABLISH_IND:
- case PH_ACTIVATE_CONF:
- case DL_ESTABLISH_CONF:
- PDEBUG("DL_ESTABLISH confirm: bchannel is now activated (socket %d).\n", channel->b_sock);
- bchannel_activated(channel);
+ 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_CONF:
- case DL_RELEASE_CONF:
- PDEBUG("DL_RELEASE confirm: bchannel is now de-activated (socket %d).\n", channel->b_sock);
-// bchannel_deactivated(channel);
+ 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);
+// bchannel_deactivated(bchannel);
break;
default:
- PERROR("child message not handled: prim(0x%x) socket(%d) msg->len(%d)\n", hh->prim, channel->b_sock, msg->len);
+ 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)
- PERROR("Read from socket %d failed with return code %d\n", channel->b_sock, ret);
+ CERROR(NULL, NULL, "Read from socket %d failed with return code %d\n", bchannel->b_sock, ret);
}
}
- channel = channel->next;
+ bchannel = bchannel->next;
}
/* if we received at least one b-frame, we will return 1 */
return(work);
}
-#else
-int bchannel_handle(void)
-{
- int i;
- struct bchannel *channel;
- iframe_t *frm;
- unsigned char buffer[2048];
- struct mISDNhead *hh = (struct mISDNhead *)buffer;
- int len;
-
- /* no device, no read */
- if (bchannel_device < 0)
- return(0);
-
- /* get message from kernel */
- len = mISDN_read(bchannel_device, buffer, sizeof(buffer), 0);
- if (len < 0)
- {
- if (errno == EAGAIN)
- return(0);
- PERROR("Failed to do mISDN_read()\n");
- return(0);
- }
- if (!len)
- {
-// printf("%s: ERROR: mISDN_read() returns nothing\n");
- return(0);
- }
- frm = (iframe_t *)buffer;
-
- /* global prim */
- switch(frm->prim)
- {
- case MGR_DELLAYER | CONFIRM:
- case MGR_INITTIMER | CONFIRM:
- case MGR_ADDTIMER | CONFIRM:
- case MGR_DELTIMER | CONFIRM:
- case MGR_REMOVETIMER | CONFIRM:
- return(1);
- }
-
- /* find the mISDNport that belongs to the stack */
- channel = bchannel_first;
- while(channel)
- {
- if (frm->addr == channel->b_addr)
- break;
- channel = channel->next;
- }
- if (!channel)
- {
- PERROR("message belongs to no channel: prim(0x%x) addr(0x%x) msg->len(%d)\n", frm->prim, frm->addr, len);
- goto out;
- }
-
- /* b-message */
- switch(frm->prim)
- {
- /* we don't care about confirms, we use rx data to sync tx */
- case PH_DATA | CONFIRM:
- case DL_DATA | CONFIRM:
- break;
-
- /* we receive audio data, we respond to it AND we send tones */
- case PH_DATA | INDICATION:
- case DL_DATA | INDICATION:
- case PH_CONTROL | INDICATION:
- case PH_SIGNAL | INDICATION:
- bchannel_receive(channel, frm->prim, frm->dinfo, (unsigned char *)frm->data.p, frm->len);
- break;
-
- case PH_ACTIVATE | INDICATION:
- case DL_ESTABLISH | INDICATION:
- case PH_ACTIVATE | CONFIRM:
- case DL_ESTABLISH | CONFIRM:
- PDEBUG( "DL_ESTABLISH confirm: bchannel is now activated (address 0x%x).\n", frm->addr);
- bchannel_activated(channel);
- break;
-
- case PH_DEACTIVATE | INDICATION:
- case DL_RELEASE | INDICATION:
- case PH_DEACTIVATE | CONFIRM:
- case DL_RELEASE | CONFIRM:
- PDEBUG("DL_RELEASE confirm: bchannel is now de-activated (address 0x%x).\n", frm->addr);
-// bchannel_deactivated(channel);
- break;
-
- default:
- PERROR("message not handled: prim(0x%x) addr(0x%x) msg->len(%d)\n", frm->prim, frm->addr, len);
- }
-
- out:
- return(1);
-}
-#endif
/*
struct bchannel *bchannel_first = NULL;
struct bchannel *find_bchannel_handle(unsigned long handle)
{
- struct bchannel *channel = bchannel_first;
+ struct bchannel *bchannel = bchannel_first;
- while(channel)
+ while(bchannel)
{
- if (channel->handle == handle)
+ if (bchannel->handle == handle)
break;
- channel = channel->next;
+ bchannel = bchannel->next;
}
- return(channel);
+ return(bchannel);
}
+#if 0
struct bchannel *find_bchannel_ref(unsigned long ref)
{
- struct bchannel *channel = bchannel_first;
+ struct bchannel *bchannel = bchannel_first;
- while(channel)
+ while(bchannel)
{
- if (channel->ref == ref)
+ if (bchannel->ref == ref)
break;
- channel = channel->next;
+ bchannel = bchannel->next;
}
- return(channel);
+ return(bchannel);
}
+#endif
struct bchannel *alloc_bchannel(unsigned long handle)
{
- struct bchannel **channelp = &bchannel_first;
+ struct bchannel **bchannelp = &bchannel_first;
- while(*channelp)
- channelp = &((*channelp)->next);
+ while(*bchannelp)
+ bchannelp = &((*bchannelp)->next);
- *channelp = (struct bchannel *)malloc(sizeof(struct bchannel));
- if (!*channelp)
+ *bchannelp = (struct bchannel *)calloc(1, sizeof(struct bchannel));
+ if (!*bchannelp)
return(NULL);
- (*channelp)->handle = handle;
- (*channelp)->b_state = BSTATE_IDLE;
+ (*bchannelp)->handle = handle;
+ (*bchannelp)->b_state = BSTATE_IDLE;
- return(*channelp);
+ return(*bchannelp);
}
-void free_bchannel(struct bchannel *channel)
+void free_bchannel(struct bchannel *bchannel)
{
struct bchannel **temp = &bchannel_first;
while(*temp)
{
- if (*temp == channel)
+ if (*temp == bchannel)
{
*temp = (*temp)->next;
-#ifdef SOCKET_MISDN
- if (channel->b_sock > -1)
-#else
- if (channel->b_stid)
-#endif
- bchannel_destroy(channel);
- if (channel->call)
- {
- if (channel->call->channel)
- channel->call->channel = NULL;
- }
- if (channel->bridge_channel)
+ if (bchannel->b_sock > -1)
+ bchannel_destroy(bchannel);
+ if (bchannel->call)
{
- if (channel->bridge_channel->bridge_channel)
- channel->bridge_channel->bridge_channel = NULL;
+ if (bchannel->call->bchannel)
+ bchannel->call->bchannel = NULL;
}
- free(channel);
+ free(bchannel);
return;
}
temp = &((*temp)->next);
projects / lcr.git / blobdiff