2199 lines
62 KiB
C++
2199 lines
62 KiB
C++
/*****************************************************************************\
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** **
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** PBX4Linux **
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** **
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**---------------------------------------------------------------------------**
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** Copyright: Andreas Eversberg **
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** **
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** mISDN port abstraction for dss1 and sip **
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** **
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\*****************************************************************************/
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include "main.h"
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#include <unistd.h>
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#include <poll.h>
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#include <errno.h>
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#include <sys/ioctl.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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extern "C" {
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#include <net_l2.h>
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}
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#define ISDN_PID_L2_B_USER 0x420000ff
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#define ISDN_PID_L3_B_USER 0x430000ff
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#define ISDN_PID_L4_B_USER 0x440000ff
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/* used for udevice */
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int entity = 0;
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/* noise randomizer */
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unsigned char mISDN_rand[256];
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int mISDN_rand_count = 0;
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/* the device handler and port list */
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int mISDNdevice = -1;
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/* list of mISDN ports */
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struct mISDNport *mISDNport_first;
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/*
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* constructor
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*/
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PmISDN::PmISDN(int type, mISDNport *mISDNport, char *portname, struct port_settings *settings, int channel, int exclusive) : Port(type, portname, settings)
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{
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p_m_mISDNport = mISDNport;
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p_m_portnum = mISDNport->portnum;
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p_m_b_index = -1;
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p_m_b_channel = 0;
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p_m_b_exclusive = 0;
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p_m_b_reserve = 0;
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p_m_b_addr = 0;
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p_m_b_stid = 0;
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p_m_jittercheck = 0;
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p_m_delete = 0;
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p_m_hold = 0;
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p_m_txvol = p_m_rxvol = 0;
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p_m_conf = 0;
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p_m_txdata = 0;
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#warning set delay by routing parameter or interface config
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p_m_delay = 0;
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p_m_echo = 0;
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p_m_tone = 0;
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p_m_rxoff = 0;
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p_m_calldata = 0;
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p_m_dtmf = !options.nodtmf;
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sollen wir daraus eine interface-option machen?:
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p_m_timeout = 0;
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p_m_timer = 0;
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#warning denke auch an die andere seite. also das setup sollte dies weitertragen
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p_m_crypt = 0;
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p_m_crypt_listen = 0;
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p_m_crypt_msg_loops = 0;
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p_m_crypt_msg_loops = 0;
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p_m_crypt_msg_len = 0;
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p_m_crypt_msg[0] = '\0';
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p_m_crypt_msg_current = 0;
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p_m_crypt_key[0] = '\0';
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p_m_crypt_key_len = 0;
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p_m_crypt_listen = 0;
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p_m_crypt_listen_state = 0;
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p_m_crypt_listen_len = 0;
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p_m_crypt_listen_msg[0] = '\0';
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p_m_crypt_listen_crc = 0;
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/* if any channel requested by constructor */
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if (channel == CHANNEL_ANY)
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{
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/* reserve channel */
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p_m_b_reserve = 1;
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mISDNport->b_reserved++;
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}
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} else
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/* reserve channel */
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if (channel) // only if constructor was called with a channel resevation
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seize_bchannel(channel, exclusive);
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/* we increase the number of objects: */
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mISDNport->use++;
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PDEBUG(DEBUG_ISDN, "Created new mISDNPort(%s). Currently %d objects use, port #%d\n", portname, mISDNport->use, p_m_portnum);
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}
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/*
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* destructor
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*/
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PmISDN::~PmISDN()
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{
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struct message *message;
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/* remove bchannel relation */
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free_bchannel();
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/* release epoint */
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while (p_epointlist)
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{
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PDEBUG(DEBUG_ISDN, "destroy mISDNPort(%s). endpoint still exists, releaseing.\n", p_name);
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message = message_create(p_serial, p_epointlist->epoint_id, PORT_TO_EPOINT, MESSAGE_RELEASE);
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message->param.disconnectinfo.cause = 16;
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message->param.disconnectinfo.location = LOCATION_PRIVATE_LOCAL;
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message_put(message);
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/* remove from list */
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free_epointlist(p_epointlist);
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}
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/* we decrease the number of objects: */
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p_m_mISDNport->use--;
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PDEBUG(DEBUG_ISDN, "destroyed mISDNPort(%s). Currently %d objects\n", p_name, p_m_mISDNport->use);
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}
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/*
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* send control information to the channel (dsp-module)
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*/
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void ph_control(unsigned long b_addr, int c1, int c2)
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{
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unsigned char buffer[mISDN_HEADER_LEN+sizeof(int)+sizeof(int)];
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iframe_t *ctrl = (iframe_t *)buffer;
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unsigned long *d = (unsigned long *)&ctrl->data.p;
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ctrl->prim = PH_CONTROL | REQUEST;
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ctrl->addr = b_addr | FLG_MSG_DOWN;
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ctrl->dinfo = 0;
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ctrl->len = sizeof(int)*2;
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*d++ = c1;
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*d++ = c2;
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mISDN_write(mISDNdevice, ctrl, mISDN_HEADER_LEN+ctrl->len, TIMEOUT_1SEC);
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}
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void ph_control_block(unsigned long b_addr, int c1, void *c2, int c2_len)
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{
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unsigned char buffer[mISDN_HEADER_LEN+sizeof(int)+c2_len];
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iframe_t *ctrl = (iframe_t *)buffer;
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unsigned long *d = (unsigned long *)&ctrl->data.p;
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ctrl->prim = PH_CONTROL | REQUEST;
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ctrl->addr = b_addr | FLG_MSG_DOWN;
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ctrl->dinfo = 0;
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ctrl->len = sizeof(int)+c2_len;
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*d++ = c1;
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memcpy(d, c2, c2_len);
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mISDN_write(mISDNdevice, ctrl, mISDN_HEADER_LEN+ctrl->len, TIMEOUT_1SEC);
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}
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/*
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* activate / deactivate bchannel
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*/
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static void bchannel_activate(struct mISDNport *mISDNport, int i)
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{
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iframe_t act;
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/* we must activate if we are deactivated */
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if (mISDNport->b_state[i] == B_STATE_IDLE)
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{
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/* activate bchannel */
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PDEBUG(DEBUG_BCHANNEL, "activating bchannel (index %d), because currently idle (address 0x%x).\n", i, mISDNport->b_addr[i]);
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act.prim = DL_ESTABLISH | REQUEST;
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act.addr = mISDNport->b_addr[i] | FLG_MSG_DOWN;
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act.dinfo = 0;
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act.len = 0;
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mISDN_write(mISDNdevice, &act, mISDN_HEADER_LEN+act.len, TIMEOUT_1SEC);
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mISDNport->b_state[i] = B_STATE_ACTIVATING;
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return;
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}
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/* if we are active, we configure our channel */
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if (mISDNport->b_state[i] == B_STATE_ACTIVE)
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{
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unsigned char buffer[mISDN_HEADER_LEN+(ISDN_PRELOAD<<3)];
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iframe_t *pre = (iframe_t *)buffer; /* preload data */
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unsigned char *p = (unsigned char *)&pre->data.p;
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/* it is an error if this channel is not associated with a port object */
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if (!mISDNport->b_port[i])
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{
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PERROR("bchannel index i=%d not associated with a port object\n", i);
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return;
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}
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/* configure dsp features */
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if (mISDNport->b_port[i]->p_m_txdata)
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{
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PDEBUG(DEBUG_BCHANNEL, "during activation, we set txdata to txdata=%d.\n", mISDNport->b_port[i]->p_m_txdata);
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ph_control(mISDNport->b_addr[i], (mISDNport->b_port[i]->p_m_txdata)?CMX_TXDATA_ON:CMX_TXDATA_OFF);
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}
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if (mISDNport->b_port[i]->p_m_delay)
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{
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PDEBUG(DEBUG_BCHANNEL, "during activation, we set delay to delay=%d.\n", mISDNport->b_port[i]->p_m_delay);
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ph_control(mISDNport->b_addr[i], CMX_DELAY, mISDNport->b_port[i]->p_m_delay);
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}
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if (mISDNport->b_port[i]->p_m_txvol)
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{
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PDEBUG(DEBUG_BCHANNEL, "during activation, we change tx-volume to shift=%d.\n", mISDNport->b_port[i]->p_m_txvol);
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ph_control(mISDNport->b_addr[i], VOL_CHANGE_TX, mISDNport->b_port[i]->p_m_txvol);
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}
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if (mISDNport->b_port[i]->p_m_rxvol)
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{
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PDEBUG(DEBUG_BCHANNEL, "during activation, we change rx-volume to shift=%d.\n", mISDNport->b_port[i]->p_m_rxvol);
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ph_control(mISDNport->b_addr[i], VOL_CHANGE_RX, mISDNport->b_port[i]->p_m_rxvol);
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}
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//tone if (mISDNport->b_port[i]->p_m_conf && !mISDNport->b_port[i]->p_m_tone)
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if (mISDNport->b_port[i]->p_m_conf)
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{
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PDEBUG(DEBUG_BCHANNEL, "during activation, we change conference to conf=%d.\n", mISDNport->b_port[i]->p_m_conf);
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ph_control(mISDNport->b_addr[i], CMX_CONF_JOIN, mISDNport->b_port[i]->p_m_conf);
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}
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if (mISDNport->b_port[i]->p_m_echo)
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{
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PDEBUG(DEBUG_BCHANNEL, "during activation, we set echo to echo=%d.\n", mISDNport->b_port[i]->p_m_echo);
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ph_control(mISDNport->b_addr[i], CMX_ECHO_ON, 0);
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}
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if (mISDNport->b_port[i]->p_m_tone)
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{
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PDEBUG(DEBUG_BCHANNEL, "during activation, we set tone to tone=%d.\n", mISDNport->b_port[i]->p_m_tone);
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ph_control(mISDNport->b_addr[i], TONE_PATT_ON, mISDNport->b_port[i]->p_m_tone);
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}
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if (mISDNport->b_port[i]->p_m_rxoff)
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{
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PDEBUG(DEBUG_BCHANNEL, "during activation, we set rxoff to rxoff=%d.\n", mISDNport->b_port[i]->p_m_rxoff);
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ph_control(mISDNport->b_addr[i], CMX_RECEIVE_OFF, 0);
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}
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#if 0
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if (mISDNport->b_port[i]->p_m_txmix)
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{
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PDEBUG(DEBUG_BCHANNEL, "during activation, we set txmix to txmix=%d.\n", mISDNport->b_port[i]->p_m_txmix);
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ph_control(mISDNport->b_addr[i], CMX_MIX_ON, 0);
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}
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#endif
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if (mISDNport->b_port[i]->p_m_dtmf)
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{
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PDEBUG(DEBUG_BCHANNEL, "during activation, we set dtmf to dtmf=%d.\n", mISDNport->b_port[i]->p_m_dtmf);
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ph_control(mISDNport->b_addr[i], DTMF_TONE_START, 0);
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}
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if (mISDNport->b_port[i]->p_m_crypt)
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{
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PDEBUG(DEBUG_BCHANNEL, "during activation, we set crypt to crypt=%d.\n", mISDNport->b_port[i]->p_m_crypt);
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ph_control_block(mISDNport->b_addr[i], BF_ENABLE_KEY, mISDNport->b_port[i]->p_m_crypt_key, mISDNport->b_port[i]->p_m_crypt_key_len);
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}
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todo: wer startet/stoppt eigentlich den audio-transmit
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}
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}
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static void bchannel_deactivate(struct mISDNport *mISDNport, int i)
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{
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iframe_t dact;
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if (mISDNport->b_state[i] == B_STATE_ACTIVE)
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{
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/* reset dsp features */
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if (mISDNport->b_port[i])
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{
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if (mISDNport->b_port[i]->p_m_txdata)
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{
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PDEBUG(DEBUG_BCHANNEL, "during deactivation, we reset txdata from txdata=%d.\n", mISDNport->b_port[i]->p_m_txdata);
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ph_control(mISDNport->b_addr[i], CMX_TXDATA_OFF, 0);
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}
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if (mISDNport->b_port[i]->p_m_delay)
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{
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PDEBUG(DEBUG_BCHANNEL, "during deactivation, we reset delay from delay=%d.\n", mISDNport->b_port[i]->p_m_delay);
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ph_control(mISDNport->b_addr[i], CMX_JITTER, 0);
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}
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if (mISDNport->b_port[i]->p_m_txvol)
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{
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PDEBUG(DEBUG_BCHANNEL, "during deactivation, we reset tx-volume from shift=%d.\n", mISDNport->b_port[i]->p_m_txvol);
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ph_control(mISDNport->b_addr[i], VOL_CHANGE_TX, 0);
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}
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if (mISDNport->b_port[i]->p_m_rxvol)
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{
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PDEBUG(DEBUG_BCHANNEL, "during deactivation, we reset rx-volume from shift=%d.\n", mISDNport->b_port[i]->p_m_rxvol);
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ph_control(mISDNport->b_addr[i], VOL_CHANGE_RX, 0);
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}
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if (mISDNport->b_port[i]->p_m_conf)
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{
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PDEBUG(DEBUG_BCHANNEL, "during deactivation, we release conference from conf=%d.\n", mISDNport->b_port[i]->p_m_conf);
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ph_control(mISDNport->b_addr[i], CMX_CONF_SPLIT, 0);
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}
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if (mISDNport->b_port[i]->p_m_echo)
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{
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PDEBUG(DEBUG_BCHANNEL, "during deactivation, we reset echo from echo=%d.\n", mISDNport->b_port[i]->p_m_echo);
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ph_control(mISDNport->b_addr[i], CMX_ECHO_OFF, 0);
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}
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if (mISDNport->b_port[i]->p_m_tone)
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{
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PDEBUG(DEBUG_BCHANNEL, "during deactivation, we reset tone from tone=%d.\n", mISDNport->b_port[i]->p_m_tone);
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ph_control(mISDNport->b_addr[i], TONE_PATT_OFF, 0);
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}
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if (mISDNport->b_port[i]->p_m_rxoff)
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{
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PDEBUG(DEBUG_BCHANNEL, "during deactivation, we reset rxoff from rxoff=%d.\n", mISDNport->b_port[i]->p_m_rxoff);
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ph_control(mISDNport->b_addr[i], CMX_RECEIVE_ON, 0);
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}
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#if 0
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if (mISDNport->b_port[i]->p_m_txmix)
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{
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PDEBUG(DEBUG_BCHANNEL, "during deactivation, we reset txmix from txmix=%d.\n", mISDNport->b_port[i]->p_m_txmix);
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ph_control(mISDNport->b_addr[i], CMX_MIX_OFF, 0);
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}
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#endif
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if (mISDNport->b_port[i]->p_m_dtmf)
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{
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PDEBUG(DEBUG_BCHANNEL, "during deactivation, we reset dtmf from dtmf=%d.\n", mISDNport->b_port[i]->p_m_dtmf);
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ph_control(mISDNport->b_addr[i], DTMF_TONE_STOP, 0);
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}
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if (mISDNport->b_port[i]->p_m_crypt)
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{
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PDEBUG(DEBUG_BCHANNEL, "during deactivation, we reset crypt from crypt=%d.\n", mISDNport->b_port[i]->p_m_dtmf);
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ph_control(mISDNport->b_addr[i], BF_DISABLE, 0);
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}
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}
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/* deactivate bchannel */
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PDEBUG(DEBUG_BCHANNEL, "deactivating bchannel (index %d), because currently active.\n", i);
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dact.prim = DL_RELEASE | REQUEST;
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dact.addr = mISDNport->b_addr[i] | FLG_MSG_DOWN;
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dact.dinfo = 0;
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dact.len = 0;
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mISDN_write(mISDNdevice, &dact, mISDN_HEADER_LEN+dact.len, TIMEOUT_1SEC);
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mISDNport->b_state[i] = B_STATE_DEACTIVATING;
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return;
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}
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}
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/*
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* check for available channel and reserve+set it.
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* give channel number or SEL_CHANNEL_ANY or SEL_CHANNEL_NO
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* give exclusiv flag
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* returns -(cause value) or x = channel x or 0 = no channel
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*/
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denke ans aktivieren und deaktivieren
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int PmISDN::seize_bchannel(int channel, int exclusive)
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{
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int i;
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/* the channel is what we have */
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if (p_m_b_channel == channel)
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return(channel);
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/* if channel already in use, release it */
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if (p_m_b_channel)
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drop_bchannel();
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/* if CHANNEL_NO */
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if (channel==CHANNEL_NO || channel==0)
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return(0);
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/* is channel in range ? */
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if (channel==16
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|| (channel>p_m_mISDNport->b_num && channel<16)
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|| ((channel-1)>p_m_mISDNport->b_num && channel>16)) /* channel-1 because channel 16 is not counted */
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return(-6); /* channel unacceptable */
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/* request exclusive channel */
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if (exclusive && channel>0)
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{
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i = channel-1-(channel>16);
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if (p_m_mISDNport->b_port[i])
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return(-44); /* requested channel not available */
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goto seize;
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}
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/* ask for channel */
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if (channel>0)
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{
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i = channel-1-(channel>16);
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if (p_m_mISDNport->b_port[i] == NULL)
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goto seize;
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}
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/* search for channel */
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i = 0;
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while(i < p_m_mISDNport->b_num)
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{
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if (!p_m_mISDNport->b_port[i])
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{
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channel = i+1+(i>=15);
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goto seize;
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}
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i++;
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}
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return(-34); /* no free channel */
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seize:
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/* link Port */
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p_m_mISDNport->b_port[i] = this;
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p_m_b_index = i;
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p_m_b_channel = channel;
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p_m_b_exclusive = exclusive;
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p_m_b_stid = p_m_mISDNport->b_stid[i];
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p_m_b_addr = p_m_mISDNport->b_addr[i];
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p_m_jittercheck = 0;
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/* reserve channel */
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if (p_m_b_reserve == 0) // already reserved
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{
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p_m_b_reserve = 1;
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mISDNport->b_reserved++;
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}
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PDEBUG(DEBUG_BCHANNEL, "PmISDN(%s) seizing bchannel %d (index %d)\n", p_name, channel, i);
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return(channel);
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}
|
|
|
|
/*
|
|
* drop reserved channel and unset it.
|
|
*/
|
|
void PmISDN::drop_bchannel(void)
|
|
{
|
|
/* unreserve channel */
|
|
if (p_m_b_reserve)
|
|
p_m_mISDNport->b_reserved--;
|
|
p_m_b_reserve = 0;
|
|
|
|
/* if not in use */
|
|
if (!p_m_b_channel)
|
|
return;
|
|
|
|
PDEBUG(DEBUG_BCHANNEL, "PmISDN(%s) dropping bchannel\n", p_name);
|
|
|
|
p_m_mISDNport->b_port[p_m_b_index] = NULL;
|
|
p_m_b_index = -1;
|
|
p_m_b_channel = 0;
|
|
p_m_b_exclusive = 0;
|
|
p_m_b_addr = 0;
|
|
p_m_b_stid = 0;
|
|
}
|
|
|
|
|
|
/*
|
|
* data is to be transmitted to the remote
|
|
*/
|
|
wech void Port::transmit(unsigned char *buffer, int length, int tonelength)
|
|
{
|
|
/* send tone data to isdn device only if we have data, otherwhise we send nothing */
|
|
if (tonelength>0 && (p_tone_fh>=0 || p_tone_fetched || p_m_crypt_msg_loops))
|
|
{
|
|
unsigned char buf[mISDN_HEADER_LEN+tonelength];
|
|
iframe_t *frm = (iframe_t *)buf;
|
|
|
|
if (p_m_crypt_msg_loops)
|
|
{
|
|
/* send pending message */
|
|
int tosend;
|
|
|
|
tosend = p_m_crypt_msg_len - p_m_crypt_msg_current;
|
|
if (tosend > newlen)
|
|
tosend = newlen;
|
|
memcpy(p, p_m_crypt_msg+p_m_crypt_msg_current, tosend);
|
|
p_m_crypt_msg_current += tosend;
|
|
if (p_m_crypt_msg_current == p_m_crypt_msg_len)
|
|
{
|
|
p_m_crypt_msg_current = 0;
|
|
p_m_crypt_msg_loops--;
|
|
}
|
|
}
|
|
frm->prim = DL_DATA | REQUEST;
|
|
frm->addr = p_m_b_addr | FLG_MSG_DOWN;
|
|
frm->dinfo = 0;
|
|
frm->len = tonelength;
|
|
memcpy(&frm->data.p, buffer, tonelength);
|
|
mISDN_write(mISDNdevice, frm, mISDN_HEADER_LEN+frm->len, TIMEOUT_1SEC);
|
|
|
|
if (p_debug_nothingtosend)
|
|
{
|
|
p_debug_nothingtosend = 0;
|
|
PDEBUG((DEBUG_PORT | DEBUG_BCHANNEL), "PmISDN(%s) start sending, because we have tones and/or remote audio.\n", p_name);
|
|
}
|
|
} else
|
|
{
|
|
if (!p_debug_nothingtosend)
|
|
{
|
|
p_debug_nothingtosend = 1;
|
|
PDEBUG((DEBUG_PORT | DEBUG_BCHANNEL), "PmISDN(%s) stop sending, because we have only silence.\n", p_name);
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
/*
|
|
* handler
|
|
*/
|
|
int PmISDN::handler(void)
|
|
{
|
|
struct message *message;
|
|
int elapsed, length;
|
|
|
|
if ((ret = Port::handler()))
|
|
return(ret);
|
|
|
|
inbuffer = (p_fromup_buffer_writep - p_fromup_buffer_readp) & FROMUP_BUFFER_MASK
|
|
/* send tone data to isdn device only if we have data */
|
|
if (p_tone_fh>=0 || p_tone_fetched || p_m_crypt_msg_loops || inbuffer)
|
|
{
|
|
/* calculate how much to transmit */
|
|
if (!p_last_tv.sec)
|
|
{
|
|
elapsed = ISDN_PRELOAD << 3; /* preload for the first time */
|
|
} else
|
|
{
|
|
elapsed = 1000 * (now_tv.sec - p_last_tv_sec)
|
|
+ (now_tv.usec/1000) - p_last_tv_msec;
|
|
/* gap was greater preload, so only fill up to preload level */
|
|
if (elapsed > (ISDN_PRELOAD<<3))
|
|
{
|
|
elapsed = ISDN_PRELOAD << 3
|
|
}
|
|
}
|
|
if (elapsed >= ISDN_TRANSMIT)
|
|
{
|
|
unsigned char buf[mISDN_HEADER_LEN+(ISDN_PRELOAD<<3)], *p = buf;
|
|
iframe_t *frm = (iframe_t *)buf;
|
|
|
|
p_last_tv_sec = now_tv.sec;
|
|
p_last_tv_msec = now_tv.usec/1000;
|
|
|
|
/* read tones */
|
|
length = read_audio(buffer, elapsed);
|
|
|
|
/*
|
|
* get data from up
|
|
* the fromup_buffer data is written to the beginning of the buffer
|
|
* the part that is filles with tones (length) is skipped, so tones have priority
|
|
* the length value is increased by the number of data copied from fromup_buffer
|
|
*/
|
|
if (inbuffer)
|
|
{
|
|
/* inbuffer might be less than we skip due to audio */
|
|
if (inbuffer <= length)
|
|
{
|
|
/* clear buffer */
|
|
p_fromup_buffer_readp = p_fromup_buffer_writep;
|
|
inbuffer = 0;
|
|
} else
|
|
{
|
|
/* skip what we already have with tones */
|
|
p_fromup_buffer_readp = (p_fromup_buffer_readp + length) & FROMUP_BUFFER_MASK;
|
|
inbuffer -= length;
|
|
}
|
|
/* if we have more in buffer, than we send this time */
|
|
if (inbuffer > (elapsed-length))
|
|
inbuffer = elapsed - length;
|
|
/* set length to what we actually have */
|
|
length = length + inbuffer;
|
|
/* now fill up with fromup_buffer */
|
|
while (inbuffer)
|
|
{
|
|
*p++ = p_fromup_buffer[p_fromup_buffer_readp];
|
|
p_fromup_buffer_readp = (p_fromup_buffer_readp + 1) & FROMUP_BUFFER_MASK;
|
|
inbuffer--;
|
|
}
|
|
}
|
|
|
|
/* overwrite buffer with crypto stuff */
|
|
if (p_m_crypt_msg_loops)
|
|
{
|
|
/* send pending message */
|
|
int tosend;
|
|
|
|
/* we need full length */
|
|
length = elapsed;
|
|
check!!
|
|
tosend = p_m_crypt_msg_len - p_m_crypt_msg_current;
|
|
if (tosend > length)
|
|
tosend = length;
|
|
memcpy(buffer, p_m_crypt_msg+p_m_crypt_msg_current, tosend);
|
|
p_m_crypt_msg_current += tosend;
|
|
if (p_m_crypt_msg_current == p_m_crypt_msg_len)
|
|
{
|
|
p_m_crypt_msg_current = 0;
|
|
p_m_crypt_msg_loops--;
|
|
}
|
|
}
|
|
frm->prim = DL_DATA | REQUEST;
|
|
frm->addr = p_m_b_addr | FLG_MSG_DOWN;
|
|
frm->dinfo = 0;
|
|
frm->len = length;
|
|
memcpy(&frm->data.p, buffer, length);
|
|
mISDN_write(mISDNdevice, frm, mISDN_HEADER_LEN+frm->len, TIMEOUT_1SEC);
|
|
|
|
if (p_debug_nothingtosend)
|
|
{
|
|
p_debug_nothingtosend = 0;
|
|
PDEBUG((DEBUG_PORT | DEBUG_BCHANNEL), "PmISDN(%s) start sending, because we have tones and/or remote audio.\n", p_name);
|
|
}
|
|
return(1);
|
|
}
|
|
} else
|
|
{
|
|
if (!cwp_debug_nothingtosend)
|
|
{
|
|
p_debug_nothingtosend = 1;
|
|
PDEBUG((DEBUG_PORT | DEBUG_BCHANNEL), "PmISDN(%s) stop sending, because we have only silence.\n", p_name);
|
|
}
|
|
}
|
|
|
|
// NOTE: deletion is done by the child class
|
|
|
|
/* handle timeouts */
|
|
if (p_m_timeout)
|
|
{
|
|
if (p_m_timer+p_m_timeout < now_d)
|
|
{
|
|
PDEBUG(DEBUG_ISDN, "(%s) timeout after %d seconds detected (state=%d).\n", p_name, p_m_timeout, p_state);
|
|
p_m_timeout = 0;
|
|
/* send timeout to endpoint */
|
|
message = message_create(p_serial, ACTIVE_EPOINT(p_epointlist), PORT_TO_EPOINT, MESSAGE_TIMEOUT);
|
|
message->param.state = p_state;
|
|
message_put(message);
|
|
}
|
|
return(1);
|
|
}
|
|
|
|
return(0); /* nothing done */
|
|
}
|
|
|
|
|
|
/*
|
|
* whenever we get audio data from bchannel, we process it here
|
|
*/
|
|
void PmISDN::bchannel_receive(iframe_t *frm)
|
|
{
|
|
unsigned char *data_temp;
|
|
unsigned long length_temp;
|
|
struct message *message;
|
|
struct timeval tv;
|
|
struct timezone tz;
|
|
long long jitter_now;
|
|
int newlen;
|
|
unsigned char *p;
|
|
int l;
|
|
unsigned long cont;
|
|
// iframe_t rsp; /* response to possible indication */
|
|
#if 0
|
|
#warning BCHANNEL-DEBUG
|
|
{
|
|
// check if we are part of all ports */
|
|
class Port *port = port_first;
|
|
while(port)
|
|
{
|
|
if (port==this)
|
|
break;
|
|
port=port->next;
|
|
}
|
|
if (!port)
|
|
{
|
|
PERROR_RUNTIME("**************************************************\n");
|
|
PERROR_RUNTIME("*** BCHANNEL-DEBUG: !this! is not in list of ports\n");
|
|
PERROR_RUNTIME("**************************************************\n");
|
|
return;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
|
|
if (frm->prim == (PH_CONTROL | INDICATION))
|
|
{
|
|
if (frm->len < 4)
|
|
{
|
|
PERROR("SHORT READ OF PH_CONTROL INDICATION\n");
|
|
return;
|
|
}
|
|
cont = *((unsigned long *)&frm->data.p);
|
|
// PDEBUG(DEBUG_PORT, "PmISDN(%s) received a PH_CONTROL INDICATION 0x%x\n", p_name, cont);
|
|
if ((cont&(~DTMF_TONE_MASK)) == DTMF_TONE_VAL)
|
|
{
|
|
message = message_create(p_serial, ACTIVE_EPOINT(p_epointlist), PORT_TO_EPOINT, MESSAGE_DTMF);
|
|
message->param.dtmf = cont & DTMF_TONE_MASK;
|
|
PDEBUG(DEBUG_PORT, "PmISDN(%s) PH_CONTROL INDICATION DTMF digit '%c'\n", p_name, message->param.dtmf);
|
|
message_put(message);
|
|
return;
|
|
}
|
|
switch(cont)
|
|
{
|
|
case BF_REJECT:
|
|
message = message_create(p_serial, ACTIVE_EPOINT(p_epointlist), PORT_TO_EPOINT, MESSAGE_CRYPT);
|
|
message->param.crypt.type = CC_ERROR_IND;
|
|
PDEBUG(DEBUG_PORT, "PmISDN(%s) PH_CONTROL INDICATION reject of blowfish.\n", p_name);
|
|
message_put(message);
|
|
break;
|
|
|
|
case BF_ACCEPT:
|
|
message = message_create(p_serial, ACTIVE_EPOINT(p_epointlist), PORT_TO_EPOINT, MESSAGE_CRYPT);
|
|
message->param.crypt.type = CC_ACTBF_CONF;
|
|
PDEBUG(DEBUG_PORT, "PmISDN(%s) PH_CONTROL INDICATION accept of blowfish.\n", p_name);
|
|
message_put(message);
|
|
break;
|
|
|
|
case CMX_TX_DATA:
|
|
if (!p_m_txdatad)
|
|
{
|
|
/* if rx is off, it may happen that fifos send us pending informations, we just ignore them */
|
|
PDEBUG(DEBUG_BCHANNEL, "PmISDN(%s) ignoring rx data, because 'txdata' is turned off\n", p_name);
|
|
return;
|
|
}
|
|
if (p_record)
|
|
record(&(cont+1), frm->len - 4, 1); // from up
|
|
break;
|
|
|
|
default:
|
|
PDEBUG(DEBUG_PORT, "PmISDN(%s) PH_CONTROL INDICATION unknown 0x%x.\n", p_name, cont);
|
|
}
|
|
return;
|
|
}
|
|
if (frm->prim != (PH_DATA | INDICATION))
|
|
{
|
|
PERROR("Bchannel received unknown primitve: 0x%x\n", frm->prim);
|
|
return;
|
|
}
|
|
|
|
/* calls will not process any audio data unless
|
|
* the call is connected OR tones feature is enabled.
|
|
*/
|
|
if (p_state!=PORT_STATE_CONNECT
|
|
&& !p_m_mISDNport->is_tones)
|
|
return;
|
|
|
|
#if 0
|
|
/* the bearer capability must be audio in order to send and receive
|
|
* audio prior or after connect.
|
|
*/
|
|
if (!(p_bearerinfo.capability&CLASS_CAPABILITY_AUDIO) && p_state!=PORT_STATE_CONNECT)
|
|
return;
|
|
#endif
|
|
|
|
/* if rx is off, it may happen that fifos send us pending informations, we just ignore them */
|
|
if (p_m_rxoff)
|
|
{
|
|
PDEBUG(DEBUG_BCHANNEL, "PmISDN(%s) ignoring data, because rx is turned off\n", p_name);
|
|
return;
|
|
}
|
|
|
|
/* record data */
|
|
if (p_record)
|
|
record((unsigned char *)&frm->data.p, frm->len, 0); // from down
|
|
|
|
/* randomize and listen to crypt message if enabled */
|
|
if (p_m_crypt_listen)
|
|
{
|
|
/* the noisy randomizer */
|
|
p = (unsigned char *)&frm->data.p;
|
|
l = frm->len;
|
|
while(l--)
|
|
mISDN_rand[mISDN_rand_count & 0xff] += *p++;
|
|
|
|
cryptman_listen_bch((unsigned char *)&frm->data.p, frm->len);
|
|
}
|
|
|
|
p = (unsigned char *)&frm->data.p;
|
|
|
|
/* send data to epoint */
|
|
if (p_m_calldata && ACTIVE_EPOINT(p_epointlist)) /* only if we have an epoint object */
|
|
{
|
|
//printf("we are port %s and sending to epoint %d\n", p_m_cardname, p_epoint->serial);
|
|
length_temp = frm->len;
|
|
data_temp = p;
|
|
while(length_temp)
|
|
{
|
|
message = message_create(p_serial, ACTIVE_EPOINT(p_epointlist), PORT_TO_EPOINT, MESSAGE_DATA);
|
|
message->param.data.len = (length_temp>sizeof(message->param.data.data))?sizeof(message->param.data.data):length_temp;
|
|
memcpy(message->param.data.data, data_temp, message->param.data.len);
|
|
message->param.data.compressed = 1;
|
|
message->param.data.port_id = p_serial;
|
|
message->param.data.port_type = p_type;
|
|
message_put(message);
|
|
if (length_temp <= sizeof(message->param.data.data))
|
|
break;
|
|
data_temp += sizeof(message->param.data.data);
|
|
length_temp -= sizeof(message->param.data.data);
|
|
}
|
|
}
|
|
#if 0
|
|
/* response to the data indication */
|
|
rsp.prim = frm->prim & 0xfffffffc | RESPONSE;
|
|
rsp.addr = frm->addr & INST_ID_MASK | FLG_MSG_DOWN;
|
|
rsp.dinfo = frm->dinfo;
|
|
rsp.len = 0;
|
|
mISDN_write(mISDNdevice, &rsp, mISDN_HEADER_LEN+rsp.len, TIMEOUT_1SEC);
|
|
//PDEBUG(DEBUG_ISDN, "written %d bytes.\n", length);
|
|
#endif
|
|
}
|
|
|
|
|
|
/*
|
|
* set echotest
|
|
*/
|
|
void PmISDN::set_echotest(int echo)
|
|
{
|
|
if (p_m_echo != echo)
|
|
{
|
|
p_m_echo = echo;
|
|
PDEBUG(DEBUG_ISDN, "we set echo to echo=%d.\n", p_m_echo);
|
|
if (p_m_b_channel)
|
|
if (p_m_mISDNport->b_state[p_m_b_index] == B_STATE_ACTIVE)
|
|
ph_control(p_m_b_addr, p_m_echo?CMX_ECHO_ON:CMX_ECHO_OFF, 0);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* set tone
|
|
*/
|
|
void PmISDN::set_tone(char *dir, char *tone)
|
|
{
|
|
int id;
|
|
|
|
if (!tone)
|
|
tone = "";
|
|
PDEBUG(DEBUG_ISDN, "isdn port now plays tone:'%s'.\n", tone);
|
|
if (!tone[0])
|
|
{
|
|
id = TONE_OFF;
|
|
goto setdsp;
|
|
}
|
|
|
|
/* check if we NOT really have to use a dsp-tone */
|
|
if (!options.dsptones)
|
|
{
|
|
nodsp:
|
|
if (p_m_tone)
|
|
if (p_m_mISDNport->b_state[p_m_b_index] == B_STATE_ACTIVE)
|
|
{
|
|
PDEBUG(DEBUG_ISDN, "we reset tone from id=%d to OFF.\n", p_m_tone);
|
|
ph_control(p_m_b_addr, TONE_PATT_OFF, 0);
|
|
}
|
|
p_m_tone = 0;
|
|
Port::set_tone(dir, tone);
|
|
return;
|
|
}
|
|
if (p_tone_dir[0])
|
|
goto nodsp;
|
|
|
|
/* now we USE dsp-tone, convert name */
|
|
else if (!strcmp(tone, "dialtone"))
|
|
{
|
|
switch(options.dsptones) {
|
|
case DSP_AMERICAN: id = TONE_AMERICAN_DIALTONE; break;
|
|
case DSP_GERMAN: id = TONE_GERMAN_DIALTONE; break;
|
|
case DSP_OLDGERMAN: id = TONE_GERMAN_OLDDIALTONE; break;
|
|
}
|
|
} else if (!strcmp(tone, "dialpbx"))
|
|
{
|
|
switch(options.dsptones) {
|
|
case DSP_AMERICAN: id = TONE_AMERICAN_DIALPBX; break;
|
|
case DSP_GERMAN: id = TONE_GERMAN_DIALPBX; break;
|
|
case DSP_OLDGERMAN: id = TONE_GERMAN_OLDDIALPBX; break;
|
|
}
|
|
} else if (!strcmp(tone, "ringing"))
|
|
{
|
|
switch(options.dsptones) {
|
|
case DSP_AMERICAN: id = TONE_AMERICAN_RINGING; break;
|
|
case DSP_GERMAN: id = TONE_GERMAN_RINGING; break;
|
|
case DSP_OLDGERMAN: id = TONE_GERMAN_OLDRINGING; break;
|
|
}
|
|
} else if (!strcmp(tone, "ringpbx"))
|
|
{
|
|
switch(options.dsptones) {
|
|
case DSP_AMERICAN: id = TONE_AMERICAN_RINGPBX; break;
|
|
case DSP_GERMAN: id = TONE_GERMAN_RINGPBX; break;
|
|
case DSP_OLDGERMAN: id = TONE_GERMAN_OLDRINGPBX; break;
|
|
}
|
|
} else if (!strcmp(tone, "busy"))
|
|
{
|
|
busy:
|
|
switch(options.dsptones) {
|
|
case DSP_AMERICAN: id = TONE_AMERICAN_BUSY; break;
|
|
case DSP_GERMAN: id = TONE_GERMAN_BUSY; break;
|
|
case DSP_OLDGERMAN: id = TONE_GERMAN_OLDBUSY; break;
|
|
}
|
|
} else if (!strcmp(tone, "release"))
|
|
{
|
|
hangup:
|
|
switch(options.dsptones) {
|
|
case DSP_AMERICAN: id = TONE_AMERICAN_HANGUP; break;
|
|
case DSP_GERMAN: id = TONE_GERMAN_HANGUP; break;
|
|
case DSP_OLDGERMAN: id = TONE_GERMAN_OLDHANGUP; break;
|
|
}
|
|
} else if (!strcmp(tone, "cause_10"))
|
|
goto hangup;
|
|
else if (!strcmp(tone, "cause_11"))
|
|
goto busy;
|
|
else if (!strcmp(tone, "cause_22"))
|
|
{
|
|
switch(options.dsptones) {
|
|
case DSP_AMERICAN: id = TONE_SPECIAL_INFO; break;
|
|
case DSP_GERMAN: id = TONE_GERMAN_GASSENBESETZT; break;
|
|
case DSP_OLDGERMAN: id = TONE_GERMAN_OLDBUSY; break;
|
|
}
|
|
} else if (!strncmp(tone, "cause_", 6))
|
|
id = TONE_SPECIAL_INFO;
|
|
else
|
|
id = TONE_OFF;
|
|
|
|
/* if we have a tone that is not supported by dsp */
|
|
if (id==TONE_OFF && tone[0])
|
|
goto nodsp;
|
|
|
|
setdsp:
|
|
if (p_m_tone != id)
|
|
{
|
|
/* set new tone */
|
|
p_m_tone = id;
|
|
PDEBUG(DEBUG_ISDN, "we set tone to id=%d.\n", p_m_tone);
|
|
if (p_m_b_channel)
|
|
if (p_m_mISDNport->b_state[p_m_b_index] == B_STATE_ACTIVE)
|
|
ph_control(p_m_b_addr, p_m_tone?TONE_PATT_ON:TONE_PATT_OFF, p_m_tone);
|
|
}
|
|
/* turn user-space tones off in cases of no tone OR dsp tone */
|
|
Port::set_tone("",NULL);
|
|
}
|
|
|
|
|
|
/* MESSAGE_mISDNSIGNAL */
|
|
//extern struct message *dddebug;
|
|
void PmISDN::message_mISDNsignal(unsigned long epoint_id, int message_id, union parameter *param)
|
|
{
|
|
switch(param->mISDNsignal.message)
|
|
{
|
|
case mISDNSIGNAL_VOLUME:
|
|
if (p_m_txvol != param->mISDNsignal.txvol)
|
|
{
|
|
p_m_txvol = param->mISDNsignal.txvol;
|
|
PDEBUG(DEBUG_BCHANNEL, "we change tx-volume to shift=%d.\n", p_m_txvol);
|
|
if (p_m_b_channel)
|
|
if (p_m_mISDNport->b_state[p_m_b_index] == B_STATE_ACTIVE)
|
|
ph_control(p_m_b_addr, VOL_CHANGE_TX, p_m_txvol);
|
|
}
|
|
if (p_m_rxvol != param->mISDNsignal.rxvol)
|
|
{
|
|
p_m_rxvol = param->mISDNsignal.rxvol;
|
|
PDEBUG(DEBUG_BCHANNEL, "we change rx-volume to shift=%d.\n", p_m_rxvol);
|
|
if (p_m_b_channel)
|
|
if (p_m_mISDNport->b_state[p_m_b_index] == B_STATE_ACTIVE)
|
|
ph_control(p_m_b_addr, VOL_CHANGE_RX, p_m_rxvol);
|
|
}
|
|
break;
|
|
|
|
case mISDNSIGNAL_CONF:
|
|
//if (dddebug) PDEBUG(DEBUG_ISDN, "dddebug = %d\n", dddebug->type);
|
|
//tone if (!p_m_tone && p_m_conf!=param->mISDNsignal.conf)
|
|
if (p_m_conf != param->mISDNsignal.conf)
|
|
{
|
|
p_m_conf = param->mISDNsignal.conf;
|
|
PDEBUG(DEBUG_BCHANNEL, "we change conference to conf=%d.\n", p_m_conf);
|
|
if (p_m_b_channel)
|
|
if (p_m_mISDNport->b_state[p_m_b_index] == B_STATE_ACTIVE)
|
|
ph_control(p_m_b_addr, (p_m_conf)?CMX_CONF_JOIN:CMX_CONF_SPLIT, p_m_conf);
|
|
}
|
|
/* we must set, even if currently tone forbids conf */
|
|
p_m_conf = param->mISDNsignal.conf;
|
|
//if (dddebug) PDEBUG(DEBUG_ISDN, "dddebug = %d\n", dddebug->type);
|
|
break;
|
|
|
|
case mISDNSIGNAL_CALLDATA:
|
|
if (p_m_calldata != param->mISDNsignal.calldata)
|
|
{
|
|
p_m_calldata = param->mISDNsignal.calldata;
|
|
PDEBUG(DEBUG_BCHANNEL, "we change to calldata=%d.\n", p_m_calldata);
|
|
auch senden
|
|
}
|
|
break;
|
|
|
|
#if 0
|
|
case mISDNSIGNAL_NODATA:
|
|
p_m_nodata = param->mISDNsignal.nodata;
|
|
if (p_m_txmix == p_m_nodata) /* txmix != !nodata */
|
|
{
|
|
p_m_txmix = !p_m_nodata;
|
|
PDEBUG(DEBUG_BCHANNEL, "we change mix mode to txmix=%d (nodata=%d).\n", p_m_txmix, p_m_nodata);
|
|
if (p_m_b_channel)
|
|
if (p_m_mISDNport->b_state[p_m_b_index] == B_STATE_ACTIVE)
|
|
ph_control(p_m_b_addr, p_m_txmix?CMX_MIX_ON:CMX_MIX_OFF, 0);
|
|
}
|
|
break;
|
|
#endif
|
|
|
|
#if 0
|
|
case mISDNSIGNAL_RXOFF:
|
|
if (p_m_rxoff != param->mISDNsignal.rxoff)
|
|
{
|
|
p_m_rxoff = param->mISDNsignal.rxoff;
|
|
PDEBUG(DEBUG_BCHANNEL, "we change receive mode to rxoff=%d.\n", p_m_rxoff);
|
|
if (p_m_b_channel)
|
|
if (p_m_mISDNport->b_state[p_m_b_index] == B_STATE_ACTIVE)
|
|
ph_control(p_m_b_addr, p_m_rxoff?CMX_RECEIVE_OFF:CMX_RECEIVE_ON, 0);
|
|
}
|
|
break;
|
|
|
|
case mISDNSIGNAL_DTMF:
|
|
if (p_m_dtmf != param->mISDNsignal.dtmf)
|
|
{
|
|
p_m_dtmf = param->mISDNsignal.dtmf;
|
|
PDEBUG(DEBUG_BCHANNEL, "we change dtmf mode to dtmf=%d.\n", p_m_dtmf);
|
|
if (p_m_b_channel)
|
|
if (p_m_mISDNport->b_state[p_m_b_index] == B_STATE_ACTIVE)
|
|
ph_control(p_m_b_addr, p_m_dtmf?DTMF_TONE_START:DTMF_TONE_STOP, 0);
|
|
}
|
|
break;
|
|
|
|
#endif
|
|
default:
|
|
PERROR("PmISDN(%s) unsupported signal message %d.\n", p_name, param->mISDNsignal.message);
|
|
}
|
|
}
|
|
|
|
/* MESSAGE_CRYPT */
|
|
void PmISDN::message_crypt(unsigned long epoint_id, int message_id, union parameter *param)
|
|
{
|
|
struct message *message;
|
|
|
|
switch(param->crypt.type)
|
|
{
|
|
case CC_ACTBF_REQ: /* activate blowfish */
|
|
p_m_crypt = 1;
|
|
p_m_crypt_key_len = param->crypt.len;
|
|
if (p_m_crypt_key_len > (int)sizeof(p_m_crypt_key))
|
|
{
|
|
PERROR("PmISDN(%s) key too long %d > %d\n", p_name, p_m_crypt_key_len, sizeof(p_m_crypt_key));
|
|
message = message_create(p_serial, ACTIVE_EPOINT(p_epointlist), PORT_TO_EPOINT, MESSAGE_CRYPT);
|
|
message->param.crypt.type = CC_ERROR_IND;
|
|
message_put(message);
|
|
break;
|
|
}
|
|
memcpy(p_m_crypt_key, param->crypt.data, p_m_crypt_key_len);
|
|
crypt_off:
|
|
PDEBUG(DEBUG_BCHANNEL, "we set encryption to crypt=%d. (0 means OFF)\n", p_m_crypt);
|
|
if (p_m_b_channel)
|
|
if (p_m_mISDNport->b_state[p_m_b_index] == B_STATE_ACTIVE)
|
|
ph_control_block(p_m_b_addr, p_m_crypt?BF_ENABLE_KEY:BF_DISABLE, p_m_crypt_key, p_m_crypt_key_len);
|
|
break;
|
|
|
|
case CC_DACT_REQ: /* deactivate session encryption */
|
|
p_m_crypt = 0;
|
|
goto crypt_off;
|
|
break;
|
|
|
|
case CR_LISTEN_REQ: /* start listening to messages */
|
|
p_m_crypt_listen = 1;
|
|
p_m_crypt_listen_state = 0;
|
|
break;
|
|
|
|
case CR_UNLISTEN_REQ: /* stop listening to messages */
|
|
p_m_crypt_listen = 0;
|
|
break;
|
|
|
|
case CR_MESSAGE_REQ: /* send message */
|
|
p_m_crypt_msg_len = cryptman_encode_bch(param->crypt.data, param->crypt.len, p_m_crypt_msg, sizeof(p_m_crypt_msg));
|
|
if (!p_m_crypt_msg_len)
|
|
{
|
|
PERROR("PmISDN(%s) message too long %d > %d\n", p_name, param->crypt.len-1, sizeof(p_m_crypt_msg));
|
|
break;
|
|
}
|
|
p_m_crypt_msg_current = 0; /* reset */
|
|
p_m_crypt_msg_loops = 3; /* enable */
|
|
#if 0
|
|
/* disable txmix, or we get corrupt data due to audio process */
|
|
if (p_m_txmix)
|
|
{
|
|
PDEBUG(DEBUG_BCHANNEL, "for sending CR_MESSAGE_REQ, we reset txmix from txmix=%d.\n", p_m_txmix);
|
|
ph_control(p_m_b_addr, CMX_MIX_OFF, 0);
|
|
}
|
|
#endif
|
|
break;
|
|
|
|
default:
|
|
PERROR("PmISDN(%s) unknown crypt message %d\n", p_name, param->crypt.type);
|
|
}
|
|
|
|
}
|
|
|
|
/*
|
|
* endpoint sends messages to the port
|
|
*/
|
|
int PmISDN::message_epoint(unsigned long epoint_id, int message_id, union parameter *param)
|
|
{
|
|
if (Port::message_epoint(epoint_id, message_id, param))
|
|
return(1);
|
|
|
|
switch(message_id)
|
|
{
|
|
case MESSAGE_mISDNSIGNAL: /* user command */
|
|
PDEBUG(DEBUG_ISDN, "PmISDN(%s) received special ISDN SIGNAL %d.\n", p_name, param->mISDNsignal.message);
|
|
message_mISDNsignal(epoint_id, message_id, param);
|
|
return(1);
|
|
|
|
case MESSAGE_CRYPT: /* crypt control command */
|
|
PDEBUG(DEBUG_ISDN, "PmISDN(%s) received encryption command '%d'.\n", p_name, param->crypt.type);
|
|
message_crypt(epoint_id, message_id, param);
|
|
return(1);
|
|
}
|
|
|
|
return(0);
|
|
}
|
|
|
|
|
|
/*
|
|
* transmit function for data to mISDN b-channel
|
|
*/
|
|
void Port::transmit(unsigned char *buffer, int length)
|
|
{
|
|
}
|
|
|
|
|
|
/*
|
|
* main loop for processing messages from mISDN device
|
|
*/
|
|
int mISDN_handler(void)
|
|
{
|
|
int ret;
|
|
msg_t *msg;
|
|
iframe_t *frm;
|
|
struct mISDNport *mISDNport;
|
|
class PmISDN *isdnport;
|
|
net_stack_t *nst;
|
|
msg_t *dmsg;
|
|
mISDNuser_head_t *hh;
|
|
int i;
|
|
|
|
/* the que avoids loopbacks when replying to stack after receiving
|
|
* from stack. */
|
|
mISDNport = mISDNport_first;
|
|
while(mISDNport)
|
|
{
|
|
/* process turning on/off rx */
|
|
i = 0;
|
|
while(i < mISDNport->b_num)
|
|
{
|
|
isdnport=mISDNport->b_port[i];
|
|
/* call bridges in user space OR crypto OR recording */
|
|
if (isdnport->p_m_calldata || isdnport->p_m_crypt_msg_loops || isdnport->p_m_crypt_listen || isdnport->p_record)
|
|
{
|
|
/* rx IS required */
|
|
if (isdnport->p_m_rxoff)
|
|
{
|
|
/* turn on RX */
|
|
isdnport->p_m_rxoff = 0;
|
|
PDEBUG(DEBUG_BCHANNEL, "%s: receive data is required, so we turn them on\n");
|
|
if (mISDNport->b_port[i] && mISDNport->b_state[i] == B_STATE_ACTIVE)
|
|
ph_control(isdnport->p_m_b_addr, CMX_RECEIVE_ON, 0);
|
|
return(1);
|
|
}
|
|
} else
|
|
{
|
|
/* rx NOT required */
|
|
if (!isdnport->p_m_rxoff)
|
|
{
|
|
/* turn off RX */
|
|
isdnport->p_m_rxoff = 1;
|
|
PDEBUG(DEBUG_BCHANNEL, "%s: receive data is not required, so we turn them off\n");
|
|
if (mISDNport->b_port[i] && mISDNport->b_state[i] == B_STATE_ACTIVE)
|
|
ph_control(isdnport->p_m_b_addr, CMX_RECEIVE_OFF, 0);
|
|
return(1);
|
|
}
|
|
}
|
|
/* recordin */
|
|
if (isdnport->p_record)
|
|
{
|
|
/* txdata IS required */
|
|
if (!isdnport->p_m_txdata)
|
|
{
|
|
/* turn on RX */
|
|
isdnport->p_m_txdata = 1;
|
|
PDEBUG(DEBUG_BCHANNEL, "%s: transmit data is required, so we turn them on\n");
|
|
if (mISDNport->b_port[i] && mISDNport->b_state[i] == B_STATE_ACTIVE)
|
|
ph_control(isdnport->p_m_b_addr, CMX_TXDATA_ON, 0);
|
|
return(1);
|
|
}
|
|
} else
|
|
{
|
|
/* txdata NOT required */
|
|
if (isdnport->p_m_txdata)
|
|
{
|
|
/* turn off RX */
|
|
isdnport->p_m_txdata = 0;
|
|
PDEBUG(DEBUG_BCHANNEL, "%s: transmit data is not required, so we turn them off\n");
|
|
if (mISDNport->b_port[i] && mISDNport->b_state[i] == B_STATE_ACTIVE)
|
|
ph_control(isdnport->p_m_b_addr, CMX_TXDATA_OFF, 0);
|
|
return(1);
|
|
}
|
|
i++;
|
|
}
|
|
#if 0
|
|
if (mISDNport->l1timeout && now>mISDNport->l1timeout)
|
|
{
|
|
PDEBUG(DEBUG_ISDN, "the L1 establish timer expired, we release all pending messages.\n", mISDNport->portnum);
|
|
mISDNport->l1timeout = 0;
|
|
#endif
|
|
|
|
if (mISDNport->l2establish)
|
|
{
|
|
if (now-mISDNport->l2establish > 5)
|
|
{
|
|
if (mISDNport->ntmode)
|
|
{
|
|
PDEBUG(DEBUG_ISDN, "the L2 establish timer expired, we try to establish the link NT portnum=%d.\n", mISDNport->portnum);
|
|
time(&mISDNport->l2establish);
|
|
/* establish */
|
|
dmsg = create_l2msg(DL_ESTABLISH | REQUEST, 0, 0);
|
|
if (mISDNport->nst.manager_l3(&mISDNport->nst, dmsg))
|
|
free_msg(dmsg);
|
|
} else {
|
|
PDEBUG(DEBUG_ISDN, "the L2 establish timer expired, we try to establish the link TE portnum=%d.\n", mISDNport->portnum);
|
|
time(&mISDNport->l2establish);
|
|
/* establish */
|
|
iframe_t act;
|
|
act.prim = DL_ESTABLISH | REQUEST;
|
|
act.addr = (mISDNport->upper_id & ~LAYER_ID_MASK) | 3 | FLG_MSG_DOWN;
|
|
act.dinfo = 0;
|
|
act.len = 0;
|
|
mISDN_write(mISDNdevice, &act, mISDN_HEADER_LEN+act.len, TIMEOUT_1SEC);
|
|
}
|
|
return(1);
|
|
}
|
|
}
|
|
if ((dmsg = msg_dequeue(&mISDNport->downqueue)))
|
|
{
|
|
if (mISDNport->ntmode)
|
|
{
|
|
hh = (mISDNuser_head_t *)dmsg->data;
|
|
PDEBUG(DEBUG_ISDN, "sending queued NT l3-down-message: prim(0x%x) dinfo(0x%x) msg->len(%d)\n", hh->prim, hh->dinfo, dmsg->len);
|
|
if (mISDNport->nst.manager_l3(&mISDNport->nst, dmsg))
|
|
free_msg(dmsg);
|
|
} else
|
|
{
|
|
frm = (iframe_t *)dmsg->data;
|
|
frm->addr = mISDNport->upper_id | FLG_MSG_DOWN;
|
|
frm->len = (dmsg->len) - mISDN_HEADER_LEN;
|
|
PDEBUG(DEBUG_ISDN, "sending queued TE l3-down-message: prim(0x%x) dinfo(0x%x) msg->len(%d)\n", frm->prim, frm->dinfo, dmsg->len);
|
|
mISDN_write(mISDNdevice, dmsg->data, dmsg->len, TIMEOUT_1SEC);
|
|
free_msg(dmsg);
|
|
}
|
|
return(1);
|
|
}
|
|
mISDNport = mISDNport->next;
|
|
}
|
|
|
|
/* get message from kernel */
|
|
if (!(msg = alloc_msg(MAX_MSG_SIZE)))
|
|
return(1);
|
|
ret = mISDN_read(mISDNdevice, msg->data, MAX_MSG_SIZE, 0);
|
|
if (ret < 0)
|
|
{
|
|
free_msg(msg);
|
|
if (errno == EAGAIN)
|
|
return(0);
|
|
PERROR("FATAL ERROR: failed to do mISDN_read()\n");
|
|
exit(-1);
|
|
}
|
|
if (!ret)
|
|
{
|
|
free_msg(msg);
|
|
// printf("%s: ERROR: mISDN_read() returns nothing\n");
|
|
return(0);
|
|
}
|
|
msg->len = ret;
|
|
frm = (iframe_t *)msg->data;
|
|
|
|
/* global prim */
|
|
switch(frm->prim)
|
|
{
|
|
case MGR_INITTIMER | CONFIRM:
|
|
case MGR_ADDTIMER | CONFIRM:
|
|
case MGR_DELTIMER | CONFIRM:
|
|
case MGR_REMOVETIMER | CONFIRM:
|
|
// if (options.deb & DEBUG_ISDN)
|
|
// PDEBUG(DEBUG_ISDN, "timer-confirm\n");
|
|
free_msg(msg);
|
|
return(1);
|
|
}
|
|
|
|
/* find the port */
|
|
mISDNport = mISDNport_first;
|
|
while(mISDNport)
|
|
{
|
|
if ((frm->prim==(MGR_TIMER | INDICATION)) && mISDNport->ntmode)
|
|
{
|
|
itimer_t *it = mISDNport->nst.tlist;
|
|
|
|
/* find timer */
|
|
while(it)
|
|
{
|
|
if (it->id == (int)frm->addr)
|
|
break;
|
|
it = it->next;
|
|
}
|
|
if (it)
|
|
{
|
|
mISDN_write_frame(mISDNdevice, msg->data, mISDNport->upper_id | FLG_MSG_DOWN,
|
|
MGR_TIMER | RESPONSE, 0, 0, NULL, TIMEOUT_1SEC);
|
|
|
|
PDEBUG(DEBUG_ISDN, "timer-indication %s port %d it=%p\n", (mISDNport->ntmode)?"NT":"TE", mISDNport->portnum, it);
|
|
test_and_clear_bit(FLG_TIMER_RUNING, (long unsigned int *)&it->Flags);
|
|
ret = it->function(it->data);
|
|
break;
|
|
}
|
|
/* we will continue here because we have a timer for a different mISDNport */
|
|
}
|
|
//printf("comparing frm->addr %x with upper_id %x\n", frm->addr, mISDNport->upper_id);
|
|
if ((frm->addr&STACK_ID_MASK) == (unsigned int)(mISDNport->upper_id&STACK_ID_MASK))
|
|
{
|
|
/* d-message */
|
|
switch(frm->prim)
|
|
{
|
|
case MGR_SHORTSTATUS | INDICATION:
|
|
case MGR_SHORTSTATUS | CONFIRM:
|
|
switch(frm->dinfo) {
|
|
case SSTATUS_L1_ACTIVATED:
|
|
PDEBUG(DEBUG_ISDN, "Received SSTATUS_L1_ACTIVATED for port %d (%s).\n", mISDNport->portnum, mISDNport->ifport->interface->name);
|
|
goto ss_act;
|
|
case SSTATUS_L1_DEACTIVATED:
|
|
PDEBUG(DEBUG_ISDN, "Received SSTATUS_L1_DEACTIVATED for port %d (%s).\n", mISDNport->portnum, mISDNport->ifport->interface->name);
|
|
goto ss_deact;
|
|
case SSTATUS_L2_ESTABLISHED:
|
|
PDEBUG(DEBUG_ISDN, "Received SSTATUS_L2_ESTABLISHED for port %d (%s).\n", mISDNport->portnum, mISDNport->ifport->interface->name);
|
|
goto ss_estab;
|
|
case SSTATUS_L2_RELEASED:
|
|
PDEBUG(DEBUG_ISDN, "Received SSTATUS_L2_RELEASED for port %d (%s).\n", mISDNport->portnum, mISDNport->ifport->interface->name);
|
|
goto ss_rel;
|
|
}
|
|
break;
|
|
|
|
case PH_ACTIVATE | CONFIRM:
|
|
case PH_ACTIVATE | INDICATION:
|
|
PDEBUG(DEBUG_ISDN, "Received PH_ACTIVATED for port %d (%s).\n", mISDNport->portnum, mISDNport->ifport->interface->name);
|
|
if (mISDNport->ntmode)
|
|
{
|
|
mISDNport->l1link = 1;
|
|
setup_queue(mISDNport, 1);
|
|
goto l1_msg;
|
|
}
|
|
ss_act:
|
|
mISDNport->l1link = 1;
|
|
setup_queue(mISDNport, 1);
|
|
break;
|
|
|
|
case PH_DEACTIVATE | CONFIRM:
|
|
case PH_DEACTIVATE | INDICATION:
|
|
PDEBUG(DEBUG_ISDN, "Received PH_DEACTIVATED for port %d (%s).\n", mISDNport->portnum, mISDNport->ifport->interface->name);
|
|
if (mISDNport->ntmode)
|
|
{
|
|
mISDNport->l1link = 0;
|
|
setup_queue(mISDNport, 0);
|
|
goto l1_msg;
|
|
}
|
|
ss_deact:
|
|
mISDNport->l1link = 0;
|
|
setup_queue(mISDNport, 0);
|
|
break;
|
|
|
|
case PH_CONTROL | CONFIRM:
|
|
case PH_CONTROL | INDICATION:
|
|
PDEBUG(DEBUG_ISDN, "Received PH_CONTROL for port %d (%s).\n", mISDNport->portnum, mISDNport->ifport->interface->name);
|
|
break;
|
|
|
|
case DL_ESTABLISH | INDICATION:
|
|
case DL_ESTABLISH | CONFIRM:
|
|
// PDEBUG(DEBUG_ISDN, "addr 0x%x established data link (DL) TE portnum=%d (DL_ESTABLISH)\n", frm->addr, mISDNport->portnum);
|
|
if (!mISDNport->ntmode) break; /* !!!!!!!!!!!!!!!! */
|
|
ss_estab:
|
|
// if (mISDNport->ntmode)
|
|
// break;
|
|
if (mISDNport->l2establish)
|
|
{
|
|
mISDNport->l2establish = 0;
|
|
PDEBUG(DEBUG_ISDN, "the link became active before l2establish timer expiry.\n");
|
|
}
|
|
mISDNport->l2link = 1;
|
|
break;
|
|
|
|
case DL_RELEASE | INDICATION:
|
|
case DL_RELEASE | CONFIRM:
|
|
// PDEBUG(DEBUG_ISDN, "addr 0x%x released data link (DL) TE portnum=%d (DL_RELEASE)\n", frm->addr, mISDNport->portnum);
|
|
if (!mISDNport->ntmode) break; /* !!!!!!!!!!!!!!!! */
|
|
ss_rel:
|
|
// if (mISDNport->ntmode)
|
|
// break;
|
|
mISDNport->l2link = 0;
|
|
if (mISDNport->ptp)
|
|
{
|
|
time(&mISDNport->l2establish);
|
|
PDEBUG(DEBUG_ISDN, "because we are ptp, we set a l2establish timer.\n");
|
|
}
|
|
break;
|
|
|
|
default:
|
|
l1_msg:
|
|
PDEBUG(DEBUG_STACK, "GOT d-msg from %s port %d prim 0x%x dinfo 0x%x addr 0x%x\n", (mISDNport->ntmode)?"NT":"TE", mISDNport->portnum, frm->prim, frm->dinfo, frm->addr);
|
|
if (frm->dinfo==(signed long)0xffffffff && frm->prim==(PH_DATA|CONFIRM))
|
|
{
|
|
PERROR("SERIOUS BUG, dinfo == 0xffffffff, prim == PH_DATA | CONFIRM !!!!\n");
|
|
}
|
|
/* d-message */
|
|
if (mISDNport->ntmode)
|
|
{
|
|
/* l1-data enters the nt-mode library */
|
|
nst = &mISDNport->nst;
|
|
if (nst->l1_l2(nst, msg))
|
|
free_msg(msg);
|
|
return(1);
|
|
} else
|
|
{
|
|
/* l3-data is sent to pbx */
|
|
if (stack2manager_te(mISDNport, msg))
|
|
free_msg(msg);
|
|
return(1);
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
//PDEBUG(DEBUG_ISDN, "flg:%d upper_id=%x addr=%x\n", (frm->addr&FLG_CHILD_STACK), (mISDNport->b_addr[0])&(~IF_CHILDMASK), (frm->addr)&(~IF_CHILDMASK));
|
|
/* check if child, and if parent stack match */
|
|
if ((frm->addr&FLG_CHILD_STACK) && (((unsigned int)(mISDNport->b_addr[0])&(~CHILD_ID_MASK)&STACK_ID_MASK) == ((frm->addr)&(~CHILD_ID_MASK)&STACK_ID_MASK)))
|
|
{
|
|
/* 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:
|
|
i = 0;
|
|
while(i < mISDNport->b_num)
|
|
{
|
|
if ((unsigned int)(mISDNport->b_addr[i]&STACK_ID_MASK) == (frm->addr&STACK_ID_MASK))
|
|
break;
|
|
i++;
|
|
}
|
|
if (i == mISDNport->b_num)
|
|
{
|
|
PERROR("unhandled b-message (address 0x%x).\n", frm->addr);
|
|
break;
|
|
}
|
|
if (mISDNport->b_port[i])
|
|
{
|
|
//PERROR("port sech: %s data\n", mISDNport->b_port[i]->p_name);
|
|
mISDNport->b_port[i]->bchannel_receive(frm);
|
|
} else
|
|
PDEBUG(DEBUG_BCHANNEL, "b-channel is not associated to an ISDNPort (address 0x%x), ignoring.\n", frm->addr);
|
|
break;
|
|
|
|
case PH_ACTIVATE | INDICATION:
|
|
case DL_ESTABLISH | INDICATION:
|
|
case PH_ACTIVATE | CONFIRM:
|
|
case DL_ESTABLISH | CONFIRM:
|
|
PDEBUG(DEBUG_BCHANNEL, "DL_ESTABLISH confirm: bchannel is now activated (address 0x%x).\n", frm->addr);
|
|
i = 0;
|
|
while(i < mISDNport->b_num)
|
|
{
|
|
if ((unsigned int)(mISDNport->b_addr[i]&STACK_ID_MASK) == (frm->addr&STACK_ID_MASK))
|
|
break;
|
|
i++;
|
|
}
|
|
if (i == mISDNport->b_num)
|
|
{
|
|
PERROR("unhandled b-establish (address 0x%x).\n", frm->addr);
|
|
break;
|
|
}
|
|
mISDNport->b_state[i] = B_STATE_ACTIVE;
|
|
if (!mISDNport->b_port[i])
|
|
bchannel_deactivate(mISDNport, i);
|
|
else
|
|
bchannel_activate(mISDNport, i);
|
|
break;
|
|
|
|
case PH_DEACTIVATE | INDICATION:
|
|
case DL_RELEASE | INDICATION:
|
|
case PH_DEACTIVATE | CONFIRM:
|
|
case DL_RELEASE | CONFIRM:
|
|
PDEBUG(DEBUG_BCHANNEL, "DL_RELEASE confirm: bchannel is now de-activated (address 0x%x).\n", frm->addr);
|
|
i = 0;
|
|
while(i < mISDNport->b_num)
|
|
{
|
|
if ((unsigned int)(mISDNport->b_addr[i]&STACK_ID_MASK) == (frm->addr&STACK_ID_MASK))
|
|
break;
|
|
i++;
|
|
}
|
|
if (i == mISDNport->b_num)
|
|
{
|
|
PERROR("unhandled b-release (address 0x%x).\n", frm->addr);
|
|
break;
|
|
}
|
|
mISDNport->b_state[i] = B_STATE_IDLE;
|
|
if (mISDNport->b_port[i])
|
|
bchannel_activate(mISDNport, i);
|
|
else
|
|
bchannel_deactivate(mISDNport, i);
|
|
break;
|
|
}
|
|
break;
|
|
}
|
|
|
|
mISDNport = mISDNport->next;
|
|
}
|
|
if (!mISDNport)
|
|
{
|
|
if (frm->prim == (MGR_TIMER | INDICATION))
|
|
PERROR("unhandled timer indication message: prim(0x%x) addr(0x%x) msg->len(%d)\n", frm->prim, frm->addr, msg->len);
|
|
else
|
|
PERROR("unhandled message: prim(0x%x) addr(0x%x) msg->len(%d)\n", frm->prim, frm->addr, msg->len);
|
|
// PERROR("test: is_child: %x of stack %x == %x (baddr %x frm %x)\n", (frm->addr&FLG_CHILD_STACK), ((unsigned int)(mISDNport_first->b_addr[0])&(~CHILD_ID_MASK)&STACK_ID_MASK), ((frm->addr)&(~CHILD_ID_MASK)&STACK_ID_MASK), mISDNport_first->b_addr[0], frm->addr);
|
|
}
|
|
|
|
free_msg(msg);
|
|
return(1);
|
|
}
|
|
|
|
|
|
/*
|
|
* global function to add a new card (port)
|
|
*/
|
|
struct mISDNport *mISDN_port_open(int port, int ptp, int ptmp)
|
|
{
|
|
int ret;
|
|
unsigned char buff[1025];
|
|
iframe_t *frm = (iframe_t *)buff;
|
|
stack_info_t *stinf;
|
|
struct mISDNport *mISDNport, **mISDNportp;
|
|
int i, cnt;
|
|
layer_info_t li;
|
|
// interface_info_t ii;
|
|
net_stack_t *nst;
|
|
manager_t *mgr;
|
|
mISDN_pid_t pid;
|
|
int pri = 0;
|
|
int nt = 0;
|
|
iframe_t dact;
|
|
|
|
/* open mISDNdevice if not already open */
|
|
if (mISDNdevice < 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(NULL);
|
|
}
|
|
mISDNdevice = ret;
|
|
PDEBUG(DEBUG_ISDN, "mISDN device opened.\n");
|
|
|
|
/* create entity for layer 3 TE-mode */
|
|
mISDN_write_frame(mISDNdevice, buff, 0, MGR_NEWENTITY | REQUEST, 0, 0, NULL, TIMEOUT_1SEC);
|
|
ret = mISDN_read_frame(mISDNdevice, frm, sizeof(iframe_t), 0, MGR_NEWENTITY | CONFIRM, TIMEOUT_1SEC);
|
|
if (ret < (int)mISDN_HEADER_LEN)
|
|
{
|
|
noentity:
|
|
fprintf(stderr, "cannot request MGR_NEWENTITY from mISDN. Exitting due to software bug.");
|
|
exit(-1);
|
|
}
|
|
entity = frm->dinfo & 0xffff;
|
|
if (!entity)
|
|
goto noentity;
|
|
PDEBUG(DEBUG_ISDN, "our entity for l3-processes is %d.\n", entity);
|
|
}
|
|
|
|
/* query port's requirements */
|
|
cnt = mISDN_get_stack_count(mISDNdevice);
|
|
if (cnt <= 0)
|
|
{
|
|
PERROR("Found no card. Please be sure to load card drivers.\n");
|
|
return(NULL);
|
|
}
|
|
if (port>cnt || port<1)
|
|
{
|
|
PERROR("Port (%d) given at 'ports' (options.conf) is out of existing port range (%d-%d)\n", port, 1, cnt);
|
|
return(NULL);
|
|
}
|
|
ret = mISDN_get_stack_info(mISDNdevice, port, buff, sizeof(buff));
|
|
if (ret < 0)
|
|
{
|
|
PERROR("Cannot get stack info for port %d (ret=%d)\n", port, ret);
|
|
return(NULL);
|
|
}
|
|
stinf = (stack_info_t *)&frm->data.p;
|
|
switch(stinf->pid.protocol[0] & ~ISDN_PID_FEATURE_MASK)
|
|
{
|
|
case ISDN_PID_L0_TE_S0:
|
|
PDEBUG(DEBUG_ISDN, "TE-mode BRI S/T interface line\n");
|
|
break;
|
|
case ISDN_PID_L0_NT_S0:
|
|
PDEBUG(DEBUG_ISDN, "NT-mode BRI S/T interface port\n");
|
|
nt = 1;
|
|
break;
|
|
case ISDN_PID_L0_TE_E1:
|
|
PDEBUG(DEBUG_ISDN, "TE-mode PRI E1 interface line\n");
|
|
pri = 1;
|
|
break;
|
|
case ISDN_PID_L0_NT_E1:
|
|
PDEBUG(DEBUG_ISDN, "LT-mode PRI E1 interface port\n");
|
|
pri = 1;
|
|
nt = 1;
|
|
break;
|
|
default:
|
|
PERROR("unknown port(%d) type 0x%08x\n", port, stinf->pid.protocol[0]);
|
|
return(NULL);
|
|
}
|
|
if (nt)
|
|
{
|
|
/* NT */
|
|
if (stinf->pid.protocol[1] == 0)
|
|
{
|
|
PERROR("Given port %d: Missing layer 1 NT-mode protocol.\n", port);
|
|
return(NULL);
|
|
}
|
|
if (stinf->pid.protocol[2])
|
|
{
|
|
PERROR("Given port %d: Layer 2 protocol 0x%08x is detected, but not allowed for NT lib.\n", port, stinf->pid.protocol[2]);
|
|
return(NULL);
|
|
}
|
|
} else
|
|
{
|
|
/* TE */
|
|
if (stinf->pid.protocol[1] == 0)
|
|
{
|
|
PERROR("Given port %d: Missing layer 1 protocol.\n", port);
|
|
return(NULL);
|
|
}
|
|
if (stinf->pid.protocol[2] == 0)
|
|
{
|
|
PERROR("Given port %d: Missing layer 2 protocol.\n", port);
|
|
return(NULL);
|
|
}
|
|
if (stinf->pid.protocol[3] == 0)
|
|
{
|
|
PERROR("Given port %d: Missing layer 3 protocol.\n", port);
|
|
return(NULL);
|
|
} else
|
|
{
|
|
switch(stinf->pid.protocol[3] & ~ISDN_PID_FEATURE_MASK)
|
|
{
|
|
case ISDN_PID_L3_DSS1USER:
|
|
break;
|
|
|
|
default:
|
|
PERROR("Given port %d: own protocol 0x%08x", port,stinf->pid.protocol[3]);
|
|
return(NULL);
|
|
}
|
|
}
|
|
if (stinf->pid.protocol[4])
|
|
{
|
|
PERROR("Given port %d: Layer 4 protocol not allowed.\n", port);
|
|
return(NULL);
|
|
}
|
|
}
|
|
|
|
/* add mISDNport structure */
|
|
mISDNportp = &mISDNport_first;
|
|
while(*mISDNportp)
|
|
mISDNportp = &mISDNport->next;
|
|
mISDNport = (struct mISDNport *)calloc(1, sizeof(struct mISDNport));
|
|
if (!mISDNport)
|
|
{
|
|
PERROR("Cannot alloc mISDNport structure\n");
|
|
return(NULL);
|
|
}
|
|
pmemuse++;
|
|
memset(mISDNport, 0, sizeof(mISDNport));
|
|
*mISDNportp = mISDNport;
|
|
|
|
/* allocate ressources of port */
|
|
msg_queue_init(&mISDNport->downqueue);
|
|
// SCPY(mISDNport->name, "noname");
|
|
mISDNport->portnum = port;
|
|
mISDNport->ntmode = nt;
|
|
mISDNport->pri = pri;
|
|
mISDNport->d_stid = stinf->id;
|
|
PDEBUG(DEBUG_ISDN, "d_stid = 0x%x.\n", mISDNport->d_stid);
|
|
mISDNport->b_num = stinf->childcnt;
|
|
PDEBUG(DEBUG_ISDN, "Port has %d b-channels.\n", mISDNport->b_num);
|
|
if ((stinf->pid.protocol[2]&ISDN_PID_L2_DF_PTP) || (nt&&ptp) || pri)
|
|
{
|
|
PDEBUG(DEBUG_ISDN, "Port is point-to-point.\n");
|
|
mISDNport->ptp = ptp = 1;
|
|
if (ptmp && nt)
|
|
{
|
|
PDEBUG(DEBUG_ISDN, "Port is forced to point-to-multipoint.\n");
|
|
mISDNport->ptp = ptp = 0;
|
|
}
|
|
}
|
|
i = 0;
|
|
while(i < stinf->childcnt)
|
|
{
|
|
mISDNport->b_stid[i] = stinf->child[i];
|
|
PDEBUG(DEBUG_ISDN, "b_stid[%d] = 0x%x.\n", i, mISDNport->b_stid[i]);
|
|
i++;
|
|
}
|
|
memset(&li, 0, sizeof(li));
|
|
UCPY(&li.name[0], (nt)?"net l2":"pbx l4");
|
|
li.object_id = -1;
|
|
li.extentions = 0;
|
|
li.pid.protocol[nt?2:4] = (nt)?ISDN_PID_L2_LAPD_NET:ISDN_PID_L4_CAPI20;
|
|
li.pid.layermask = ISDN_LAYER((nt?2:4));
|
|
li.st = mISDNport->d_stid;
|
|
ret = mISDN_new_layer(mISDNdevice, &li);
|
|
if (ret)
|
|
{
|
|
PERROR("Cannot add layer %d of port %d (ret %d)\n", nt?2:4, port, ret);
|
|
closeport:
|
|
mISDNport_close(mISDNport);
|
|
return(NULL);
|
|
}
|
|
mISDNport->upper_id = li.id;
|
|
ret = mISDN_register_layer(mISDNdevice, mISDNport->d_stid, mISDNport->upper_id);
|
|
if (ret)
|
|
{
|
|
PERROR("Cannot register layer %d of port %d\n", nt?2:4, port);
|
|
goto closeport;
|
|
}
|
|
mISDNport->lower_id = mISDN_get_layerid(mISDNdevice, mISDNport->d_stid, nt?1:3); // id of lower layer (nt=1, te=3)
|
|
if (mISDNport->lower_id < 0)
|
|
{
|
|
PERROR("Cannot get layer(%d) id of port %d\n", nt?1:3, port);
|
|
goto closeport;
|
|
}
|
|
mISDNport->upper_id = mISDN_get_layerid(mISDNdevice, mISDNport->d_stid, nt?2:4); // id of uppermost layer (nt=2, te=4)
|
|
if (mISDNport->upper_id < 0)
|
|
{
|
|
PERROR("Cannot get layer(%d) id of port %d\n", nt?2:4, port);
|
|
goto closeport;
|
|
}
|
|
PDEBUG(DEBUG_ISDN, "Layer %d of port %d added.\n", nt?2:4, port);
|
|
|
|
/* if ntmode, establish L1 to send the tei removal during start */
|
|
if (mISDNport->ntmode)
|
|
{
|
|
iframe_t act;
|
|
/* L1 */
|
|
act.prim = PH_ACTIVATE | REQUEST;
|
|
act.addr = mISDNport->upper_id | FLG_MSG_DOWN;
|
|
printf("UPPER ID 0x%x, addr 0x%x\n",mISDNport->upper_id, act.addr);
|
|
act.dinfo = 0;
|
|
act.len = 0;
|
|
mISDN_write(mISDNdevice, &act, mISDN_HEADER_LEN+act.len, TIMEOUT_1SEC);
|
|
usleep(10000); /* to be sure, that l1 is up */
|
|
}
|
|
|
|
/* create nst (nt-mode only) */
|
|
if (nt)
|
|
{
|
|
mgr = &mISDNport->mgr;
|
|
nst = &mISDNport->nst;
|
|
|
|
mgr->nst = nst;
|
|
nst->manager = mgr;
|
|
|
|
nst->l3_manager = stack2manager_nt; /* messages from nt-mode */
|
|
nst->device = mISDNdevice;
|
|
nst->cardnr = port;
|
|
nst->d_stid = mISDNport->d_stid;
|
|
|
|
nst->feature = FEATURE_NET_HOLD;
|
|
if (ptp)
|
|
nst->feature |= FEATURE_NET_PTP;
|
|
if (pri)
|
|
nst->feature |= FEATURE_NET_CRLEN2 | FEATURE_NET_EXTCID;
|
|
#if 0
|
|
i = 0;
|
|
while(i < mISDNport->b_num)
|
|
{
|
|
nst->b_stid[i] = mISDNport->b_stid[i];
|
|
i++;
|
|
}
|
|
#endif
|
|
nst->l1_id = mISDNport->lower_id;
|
|
nst->l2_id = mISDNport->upper_id;
|
|
|
|
/* phd */
|
|
msg_queue_init(&nst->down_queue);
|
|
|
|
Isdnl2Init(nst);
|
|
Isdnl3Init(nst);
|
|
}
|
|
|
|
/* if te-mode, query state link */
|
|
if (!mISDNport->ntmode)
|
|
{
|
|
iframe_t act;
|
|
/* L2 */
|
|
PDEBUG(DEBUG_ISDN, "sending short status request for port %d.\n", port);
|
|
act.prim = MGR_SHORTSTATUS | REQUEST;
|
|
act.addr = mISDNport->upper_id | MSG_BROADCAST;
|
|
act.dinfo = SSTATUS_BROADCAST_BIT | SSTATUS_ALL;
|
|
act.len = 0;
|
|
mISDN_write(mISDNdevice, &act, mISDN_HEADER_LEN+act.len, TIMEOUT_1SEC);
|
|
}
|
|
/* if ptp AND te-mode, pull up the link */
|
|
if (mISDNport->ptp && !mISDNport->ntmode)
|
|
{
|
|
iframe_t act;
|
|
/* L2 */
|
|
act.prim = DL_ESTABLISH | REQUEST;
|
|
act.addr = (mISDNport->upper_id & ~LAYER_ID_MASK) | 4 | FLG_MSG_DOWN;
|
|
act.dinfo = 0;
|
|
act.len = 0;
|
|
mISDN_write(mISDNdevice, &act, mISDN_HEADER_LEN+act.len, TIMEOUT_1SEC);
|
|
}
|
|
/* if ptp AND nt-mode, pull up the link */
|
|
if (mISDNport->ptp && mISDNport->ntmode)
|
|
{
|
|
msg_t *dmsg;
|
|
/* L2 */
|
|
dmsg = create_l2msg(DL_ESTABLISH | REQUEST, 0, 0);
|
|
if (mISDNport->nst.manager_l3(&mISDNport->nst, dmsg))
|
|
free_msg(dmsg);
|
|
}
|
|
/* initially, we assume that the link is down, exept for nt-ptmp */
|
|
mISDNport->l2link = (mISDNport->ntmode && !mISDNport->ptp)?1:0;
|
|
|
|
PDEBUG(DEBUG_BCHANNEL, "using 'mISDN_dsp.o' module\n");
|
|
|
|
/* add all bchannel layers */
|
|
i = 0;
|
|
while(i < mISDNport->b_num)
|
|
{
|
|
/* create new layer */
|
|
PDEBUG(DEBUG_BCHANNEL, "creating bchannel %d (index %d).\n" , i+1+(i>=15), i);
|
|
memset(&li, 0, sizeof(li));
|
|
memset(&pid, 0, sizeof(pid));
|
|
li.object_id = -1;
|
|
li.extentions = 0;
|
|
li.st = mISDNport->b_stid[i];
|
|
UCPY(li.name, "B L4");
|
|
li.pid.layermask = ISDN_LAYER((4));
|
|
li.pid.protocol[4] = ISDN_PID_L4_B_USER;
|
|
ret = mISDN_new_layer(mISDNdevice, &li);
|
|
if (ret)
|
|
{
|
|
failed_new_layer:
|
|
PERROR("mISDN_new_layer() failed to add bchannel %d (index %d)\n", i+1+(i>=15), i);
|
|
goto closeport;
|
|
}
|
|
mISDNport->b_addr[i] = li.id;
|
|
if (!li.id)
|
|
{
|
|
goto failed_new_layer;
|
|
}
|
|
PDEBUG(DEBUG_BCHANNEL, "new layer (b_addr=0x%x)\n", mISDNport->b_addr[i]);
|
|
|
|
/* 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(mISDNdevice, mISDNport->b_stid[i], &pid);
|
|
if (ret)
|
|
{
|
|
stack_error:
|
|
PERROR("mISDN_set_stack() failed (ret=%d) to add bchannel (index %d) stid=0x%x\n", ret, i, mISDNport->b_stid[i]);
|
|
mISDN_write_frame(mISDNdevice, buff, mISDNport->b_addr[i], MGR_DELLAYER | REQUEST, 0, 0, NULL, TIMEOUT_1SEC);
|
|
mISDNport->b_addr[i] = 0;
|
|
// mISDNport->b_addr_low[i] = 0;
|
|
goto closeport;
|
|
}
|
|
ret = mISDN_get_setstack_ind(mISDNdevice, mISDNport->b_addr[i]);
|
|
if (ret)
|
|
goto stack_error;
|
|
|
|
/* get layer id */
|
|
mISDNport->b_addr[i] = mISDN_get_layerid(mISDNdevice, mISDNport->b_stid[i], 4);
|
|
if (!mISDNport->b_addr[i])
|
|
goto stack_error;
|
|
/* deactivate bchannel if already enabled due to crash */
|
|
PDEBUG(DEBUG_BCHANNEL, "deactivating bchannel (index %d) as a precaution.\n", i);
|
|
dact.prim = DL_RELEASE | REQUEST;
|
|
dact.addr = mISDNport->b_addr[i] | FLG_MSG_DOWN;
|
|
dact.dinfo = 0;
|
|
dact.len = 0;
|
|
mISDN_write(mISDNdevice, &dact, mISDN_HEADER_LEN+dact.len, TIMEOUT_1SEC);
|
|
|
|
i++;
|
|
}
|
|
PDEBUG(DEBUG_ISDN, "- port %d %s (%s) %d b-channels\n", mISDNport->portnum, (mISDNport->ntmode)?"NT-mode":"TE-mode", (mISDNport->ptp)?"Point-To-Point":"Multipoint", mISDNport->b_num);
|
|
printlog("opening port %d %s (%s) %d b-channels\n", mISDNport->portnum, (mISDNport->ntmode)?"NT-mode":"TE-mode", (mISDNport->ptp)?"Point-To-Point":"Multipoint", mISDNport->b_num);
|
|
return(mISDNport);
|
|
}
|
|
|
|
|
|
/*
|
|
* function to free ALL cards (ports)
|
|
*/
|
|
void mISDNport_close_all(void)
|
|
{
|
|
/* free all ports */
|
|
while(mISDNport_first)
|
|
mISDNport_close(mISDNport_first);
|
|
}
|
|
|
|
/*
|
|
* free only one port
|
|
*/
|
|
void mISDNport_close(struct mISDNport *mISDNport)
|
|
{
|
|
struct mISDNport **mISDNportp;
|
|
class Port *port;
|
|
classs PmISDN *pmISDN;
|
|
net_stack_t *nst;
|
|
unsigned char buf[32];
|
|
int i;
|
|
|
|
/* remove all port instance that are linked to this mISDNport */
|
|
port = port_first;
|
|
while(port)
|
|
{
|
|
if ((port->p_type&PORT_CLASS_MASK) == PORT_CLASS_mISDN)
|
|
{
|
|
pmISDN = (class PmISDN)*port;
|
|
if (pmISDN->p_m_mISDNport)
|
|
{
|
|
PDEBUG(DEBUG_ISDN, "port %s uses mISDNport %d, destroying it.\n", pnISDN->p_name, mISDNport->portnum);
|
|
delete pmISDN;
|
|
}
|
|
}
|
|
port = port->next;
|
|
}
|
|
|
|
printlog("closing port %d\n", mISDNport->portnum);
|
|
|
|
/* free bchannels */
|
|
i = 0;
|
|
while(i < mISDNport->b_num)
|
|
{
|
|
bchannel_deactivate(mISDNport, i);
|
|
PDEBUG(DEBUG_BCHANNEL, "freeing %s port %d bchannel (index %d).\n", (mISDNport->ntmode)?"NT":"TE", mISDNport->portnum, i);
|
|
if (mISDNport->b_stid[i])
|
|
{
|
|
mISDN_clear_stack(mISDNdevice, mISDNport->b_stid[i]);
|
|
if (mISDNport->b_addr[i])
|
|
mISDN_write_frame(mISDNdevice, buf, mISDNport->b_addr[i] | FLG_MSG_DOWN, MGR_DELLAYER | REQUEST, 0, 0, NULL, TIMEOUT_1SEC);
|
|
}
|
|
i++;
|
|
}
|
|
|
|
/* free ressources of port */
|
|
msg_queue_purge(&mISDNport->downqueue);
|
|
|
|
/* free stacks */
|
|
if (mISDNport->ntmode)
|
|
{
|
|
nst = &mISDNport->nst;
|
|
if (nst->manager) /* to see if initialized */
|
|
{
|
|
PDEBUG(DEBUG_STACK, "the following messages are ok: one L3 process always exists (broadcast process) and some L2 instances (broadcast + current telephone's instances)\n");
|
|
cleanup_Isdnl3(nst);
|
|
cleanup_Isdnl2(nst);
|
|
|
|
/* phd */
|
|
msg_queue_purge(&nst->down_queue);
|
|
if (nst->phd_down_msg)
|
|
free(nst->phd_down_msg);
|
|
}
|
|
}
|
|
|
|
PDEBUG(DEBUG_BCHANNEL, "freeing d-stack.\n");
|
|
if (mISDNport->d_stid)
|
|
{
|
|
// mISDN_clear_stack(mISDNdevice, mISDNport->d_stid);
|
|
if (mISDNport->lower_id)
|
|
mISDN_write_frame(mISDNdevice, buf, mISDNport->lower_id, MGR_DELLAYER | REQUEST, 0, 0, NULL, TIMEOUT_1SEC);
|
|
}
|
|
|
|
/* remove from list */
|
|
mISDNportp = &mISDNport_first;
|
|
while(*mISDNportp)
|
|
{
|
|
if (*mISDNportp == mISDNport)
|
|
{
|
|
*mISDNportp = (*mISDNportp)->next;
|
|
break;
|
|
}
|
|
mISDNportp = &((*mISDNportp)->next);
|
|
}
|
|
|
|
if (!(*mISDNportp))
|
|
{
|
|
PERROR("software error, mISDNport not in list\n");
|
|
exit(-1);
|
|
}
|
|
|
|
memset(mISDNport, 0, sizeof(struct mISDNport));
|
|
free(mISDNport);
|
|
pmemuse--;
|
|
|
|
/* close mISDNdevice, if no port */
|
|
if (mISDNdevice>=0 && mISDNport_first==NULL)
|
|
{
|
|
/* free entity */
|
|
mISDN_write_frame(mISDNdevice, buf, 0, MGR_DELENTITY | REQUEST, entity, 0, NULL, TIMEOUT_1SEC);
|
|
/* close device */
|
|
mISDN_close(mISDNdevice);
|
|
mISDNdevice = -1;
|
|
PDEBUG(DEBUG_ISDN, "mISDN device closed.\n");
|
|
}
|
|
}
|
|
|
|
|
|
/*
|
|
* global function to show all available isdn ports
|
|
*/
|
|
void mISDN_port_info(void)
|
|
{
|
|
int err;
|
|
int i, ii, p;
|
|
int useable, nt, pri;
|
|
unsigned char buff[1025];
|
|
iframe_t *frm = (iframe_t *)buff;
|
|
stack_info_t *stinf;
|
|
int device;
|
|
|
|
/* open mISDN */
|
|
if ((device = mISDN_open()) < 0)
|
|
{
|
|
fprintf(stderr, "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", device, errno, strerror(errno));
|
|
exit(-1);
|
|
}
|
|
|
|
/* get number of stacks */
|
|
i = 1;
|
|
ii = mISDN_get_stack_count(device);
|
|
printf("\n");
|
|
if (ii <= 0)
|
|
{
|
|
printf("Found no card. Please be sure to load card drivers.\n");
|
|
}
|
|
|
|
/* loop the number of cards and get their info */
|
|
while(i <= ii)
|
|
{
|
|
err = mISDN_get_stack_info(device, i, buff, sizeof(buff));
|
|
if (err <= 0)
|
|
{
|
|
fprintf(stderr, "mISDN_get_stack_info() failed: port=%d err=%d\n", i, err);
|
|
break;
|
|
}
|
|
stinf = (stack_info_t *)&frm->data.p;
|
|
|
|
nt = pri = 0;
|
|
useable = 1;
|
|
|
|
/* output the port info */
|
|
printf("Port %2d: ", i);
|
|
switch(stinf->pid.protocol[0] & ~ISDN_PID_FEATURE_MASK)
|
|
{
|
|
case ISDN_PID_L0_TE_S0:
|
|
printf("TE-mode BRI S/T interface line (for phone lines)");
|
|
#if 0
|
|
if (stinf->pid.protocol[0] & ISDN_PID_L0_TE_S0_HFC & ISDN_PID_FEATURE_MASK)
|
|
printf(" HFC multiport card");
|
|
#endif
|
|
break;
|
|
case ISDN_PID_L0_NT_S0:
|
|
nt = 1;
|
|
printf("NT-mode BRI S/T interface port (for phones)");
|
|
#if 0
|
|
if (stinf->pid.protocol[0] & ISDN_PID_L0_NT_S0_HFC & ISDN_PID_FEATURE_MASK)
|
|
printf(" HFC multiport card");
|
|
#endif
|
|
break;
|
|
case ISDN_PID_L0_TE_E1:
|
|
pri = 1;
|
|
printf("TE-mode PRI E1 interface line (for phone lines)");
|
|
#if 0
|
|
if (stinf->pid.protocol[0] & ISDN_PID_L0_TE_E1_HFC & ISDN_PID_FEATURE_MASK)
|
|
printf(" HFC-E1 card");
|
|
#endif
|
|
break;
|
|
case ISDN_PID_L0_NT_E1:
|
|
nt = 1;
|
|
pri = 1;
|
|
printf("NT-mode PRI E1 interface port (for phones)");
|
|
#if 0
|
|
if (stinf->pid.protocol[0] & ISDN_PID_L0_NT_E1_HFC & ISDN_PID_FEATURE_MASK)
|
|
printf(" HFC-E1 card");
|
|
#endif
|
|
break;
|
|
default:
|
|
useable = 0;
|
|
printf("unknown type 0x%08x",stinf->pid.protocol[0]);
|
|
}
|
|
printf("\n");
|
|
|
|
if (nt)
|
|
{
|
|
if (stinf->pid.protocol[1] == 0)
|
|
{
|
|
useable = 0;
|
|
printf(" -> Missing layer 1 NT-mode protocol.\n");
|
|
}
|
|
p = 2;
|
|
while(p <= MAX_LAYER_NR) {
|
|
if (stinf->pid.protocol[p])
|
|
{
|
|
useable = 0;
|
|
printf(" -> Layer %d protocol 0x%08x is detected, but not allowed for NT lib.\n", p, stinf->pid.protocol[p]);
|
|
}
|
|
p++;
|
|
}
|
|
if (useable)
|
|
{
|
|
if (pri)
|
|
printf(" -> Interface is Point-To-Point (PRI).\n");
|
|
else
|
|
printf(" -> Interface can be Poin-To-Point/Multipoint.\n");
|
|
}
|
|
} else
|
|
{
|
|
if (stinf->pid.protocol[1] == 0)
|
|
{
|
|
useable = 0;
|
|
printf(" -> Missing layer 1 protocol.\n");
|
|
}
|
|
if (stinf->pid.protocol[2] == 0)
|
|
{
|
|
useable = 0;
|
|
printf(" -> Missing layer 2 protocol.\n");
|
|
}
|
|
if (stinf->pid.protocol[2] & ISDN_PID_L2_DF_PTP)
|
|
{
|
|
printf(" -> Interface is Poin-To-Point.\n");
|
|
}
|
|
if (stinf->pid.protocol[3] == 0)
|
|
{
|
|
useable = 0;
|
|
printf(" -> Missing layer 3 protocol.\n");
|
|
} else
|
|
{
|
|
printf(" -> Protocol: ");
|
|
switch(stinf->pid.protocol[3] & ~ISDN_PID_FEATURE_MASK)
|
|
{
|
|
case ISDN_PID_L3_DSS1USER:
|
|
printf("DSS1 (Euro ISDN)");
|
|
break;
|
|
|
|
default:
|
|
useable = 0;
|
|
printf("unknown protocol 0x%08x",stinf->pid.protocol[3]);
|
|
}
|
|
printf("\n");
|
|
}
|
|
p = 4;
|
|
while(p <= MAX_LAYER_NR) {
|
|
if (stinf->pid.protocol[p])
|
|
{
|
|
useable = 0;
|
|
printf(" -> Layer %d protocol 0x%08x is detected, but not allowed for TE lib.\n", p, stinf->pid.protocol[p]);
|
|
}
|
|
p++;
|
|
}
|
|
}
|
|
printf(" - %d B-channels\n", stinf->childcnt);
|
|
|
|
if (!useable)
|
|
printf(" * Port NOT useable for PBX\n");
|
|
|
|
printf("--------\n");
|
|
|
|
i++;
|
|
}
|
|
printf("\n");
|
|
|
|
/* close mISDN */
|
|
if ((err = mISDN_close(device)))
|
|
{
|
|
fprintf(stderr, "mISDN_close() failed: err=%d '%s'\n", err, strerror(err));
|
|
exit(-1);
|
|
}
|
|
}
|
|
|
|
|