diff options
Diffstat (limited to 'src/utils/isdnsync.c')
| -rw-r--r-- | src/utils/isdnsync.c | 189 |
1 files changed, 0 insertions, 189 deletions
diff --git a/src/utils/isdnsync.c b/src/utils/isdnsync.c deleted file mode 100644 index cc8ff6723..000000000 --- a/src/utils/isdnsync.c +++ /dev/null @@ -1,189 +0,0 @@ -/* isdnsync.c - * - * Author Andreas Eversberg <jolly@eversberg.eu> - * - * All rights reserved - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU Affero General Public License as published by - * the Free Software Foundation; either version 3 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU Affero General Public License for more details. - * - * You should have received a copy of the GNU Affero General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. - * - */ -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <unistd.h> -#include <sys/ioctl.h> -#include <sys/stat.h> -#include <fcntl.h> -#include <errno.h> -#include <sys/socket.h> -#include "mISDNif.h" -#define MISDN_OLD_AF_COMPATIBILITY -#define AF_COMPATIBILITY_FUNC -#include "compat_af_isdn.h" - -int card = 0; -int sock = -1; - -int mISDN_open(void) -{ - int fd, ret; - struct mISDN_devinfo devinfo; - struct sockaddr_mISDN l2addr; - - fd = socket(PF_ISDN, SOCK_RAW, ISDN_P_BASE); - if (fd < 0) { - fprintf(stderr, "could not open socket (%s)\n", strerror(errno)); - return fd; - } - devinfo.id = card; - ret = ioctl(fd, IMGETDEVINFO, &devinfo); - if (ret < 0) { - fprintf(stderr,"could not send IOCTL IMGETCOUNT (%s)\n", strerror(errno)); - close(fd); - return ret; - } - close(fd); - if (!(devinfo.Dprotocols & (1 << ISDN_P_TE_S0)) - && !(devinfo.Dprotocols & (1 << ISDN_P_TE_E1))) { - fprintf(stderr,"Interface does not support TE mode (%s)\n", strerror(errno)); - return ret; - } - fd = socket(PF_ISDN, SOCK_DGRAM, ISDN_P_LAPD_TE); - if (fd < 0) { - fprintf(stderr,"could not open ISDN_P_LAPD_TE socket (%s)\n", strerror(errno)); - return fd; - } - l2addr.family = AF_ISDN; - l2addr.dev = card; - l2addr.channel = 0; - l2addr.sapi = 0; - l2addr.tei = 0; - ret = bind(fd, (struct sockaddr *)&l2addr, sizeof(l2addr)); - if (ret < 0) { - fprintf(stderr,"could not bind socket for card %d (%s)\n", card, strerror(errno)); - close(fd); - return ret; - } - sock = fd; - - return sock; -} - - -void mISDN_handle(void) -{ - int ret; - fd_set rfd; - struct timeval tv; - struct sockaddr_mISDN addr; - socklen_t alen; - unsigned char buffer[2048]; - struct mISDNhead *hh = (struct mISDNhead *)buffer; - int l1 = 0, l2 = 0, tei = 0; - - while(1) { -again: - FD_ZERO(&rfd); - FD_SET(sock, &rfd); - tv.tv_sec = 2; - tv.tv_usec = 0; - ret = select(sock+1, &rfd, NULL, NULL, &tv); - if (ret < 0) { - if (errno == EINTR) - continue; - fprintf(stderr, "%s aborted: %s\n", __FUNCTION__, strerror(errno)); - break; - } - if (FD_ISSET(sock, &rfd)) { - alen = sizeof(addr); - ret = recvfrom(sock, buffer, sizeof(buffer), 0, (struct sockaddr *) &addr, &alen); - if (ret < 0) { - fprintf(stderr, "%s read socket error %s\n", __FUNCTION__, strerror(errno)); - } else if (ret < MISDN_HEADER_LEN) { - fprintf(stderr, "%s read socket shor frame\n", __FUNCTION__); - } else { - switch(hh->prim) { - case MPH_ACTIVATE_IND: - case PH_ACTIVATE_IND: - if (!l1) { - printf("PH_ACTIVATE\n"); - printf("*** Sync available from interface :-)\n"); - l1 = 1; - } - goto again; - break; - case MPH_DEACTIVATE_IND: - case PH_DEACTIVATE_IND: - if (l1) { - printf("PH_DEACTIVATE\n"); - printf("*** Lost sync on interface :-(\n"); - l1 = 0; - } - goto again; - break; - case DL_ESTABLISH_IND: - case DL_ESTABLISH_CNF: - printf("DL_ESTABLISH\n"); - l2 = 1; - goto again; - break; - case DL_RELEASE_IND: - case DL_RELEASE_CNF: - printf("DL_RELEASE\n"); - l2 = 0; - goto again; - break; - case DL_INFORMATION_IND: - printf("DL_INFORMATION (tei %d sapi %d)\n", addr.tei, addr.sapi); - tei = 1; - break; - default: -// printf("prim %x\n", hh->prim); - goto again; - } - } - } - if (tei && !l2) { - hh->prim = DL_ESTABLISH_REQ; - printf("-> activating layer 2\n"); - sendto(sock, buffer, MISDN_HEADER_LEN, 0, (struct sockaddr *) &addr, alen); - } - } -} - -int main(int argc, char *argv[]) -{ - int ret; - - if (argc <= 1) - { - printf("Usage: %s <card>\n\n", argv[0]); - printf("Opens given card number in TE-mode PTP and tries to keep layer 2 established.\n"); - printf("This keeps layer 1 activated to retrieve a steady sync signal from network.\n"); - return(0); - } - - card = atoi(argv[1]); - - init_af_isdn(); - - if ((ret = mISDN_open() < 0)) - return(ret); - - mISDN_handle(); - - close(sock); - - return 0; -} |