add skeleton for v5le (just opening the E1 line and adding LAPD)
This commit is contained in:
parent
e1070616f1
commit
28f9c63f7a
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@ -0,0 +1,11 @@
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LIBS=-lasan -ltalloc -losmocore -losmovty -losmoctrl -losmoabis
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DEFS=-DPACKAGE_VERSION=\"0.0\"
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%.o: %.c
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$(CC) $(DEFS) -o $@ -c $^
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v5le: main.o
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$(CC) -o $@ $^ $(LIBS)
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clean:
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@rm v5le *.o
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@ -0,0 +1,361 @@
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/*
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* (C) 2022 by Harald Welte <laforge@osmocom.org>
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* All Rights Reserved
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include <ctype.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <time.h>
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#include <limits.h>
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#include <unistd.h>
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#include <errno.h>
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#include <osmocom/core/msgb.h>
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#include <osmocom/abis/e1_input.h>
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#include <osmocom/core/application.h>
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#include <osmocom/core/msgb.h>
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#include <osmocom/core/talloc.h>
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#include <osmocom/core/select.h>
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#include <osmocom/core/stats.h>
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#include <osmocom/core/rate_ctr.h>
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#include <osmocom/core/logging.h>
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#include <osmocom/core/socket.h>
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#include <osmocom/ctrl/control_vty.h>
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#include <osmocom/vty/telnet_interface.h>
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#include <osmocom/vty/logging.h>
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#include <osmocom/vty/ports.h>
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#include <osmocom/vty/command.h>
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#include <osmocom/vty/stats.h>
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#include <osmocom/vty/misc.h>
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#include <osmocom/vty/cpu_sched_vty.h>
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#include <osmocom/abis/abis.h>
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#define _GNU_SOURCE
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#include <getopt.h>
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/* can be changed once libosmocore 1.4.0 is released */
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#ifndef OSMO_CTRL_PORT_MGW
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#define OSMO_CTRL_PORT_MGW 4267
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#endif
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void *tall_v5le_ctx = NULL;
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struct v5le_config {
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};
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struct v5le_config *v5le_config_alloc(void *ctx)
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{
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struct v5le_config *cfg = talloc_zero(ctx, struct v5le_config);
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OSMO_ASSERT(cfg);
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return cfg;
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}
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static int v5le_rx_sign(struct msgb *msg)
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{
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LOGP(DLMI, LOGL_NOTICE, "Rx: %s\n", msgb_hexdump(msg));
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msgb_free(msg);
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return 0;
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}
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static const struct e1inp_line_ops v5le_e1_line_ops = {
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.sign_link_up = NULL,
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.sign_link_down = NULL,
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.sign_link = v5le_rx_sign,
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};
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static void hdlc_rx_cb(struct e1inp_ts *ts, struct msgb *msg)
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{
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LOGP(DLMI, LOGL_NOTICE, "HDLC Rx: %s\n", msgb_hexdump(msg));
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msgb_free(msg);
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}
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static int e1_init(void)
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{
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int line_nr = 1;
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struct e1inp_line *e1_line;
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int rc;
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e1_line = e1inp_line_find(0);
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OSMO_ASSERT(e1_line);
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e1inp_line_bind_ops(e1_line, &v5le_e1_line_ops);
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struct e1inp_ts *sign_ts = &e1_line->ts[16-1];
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//e1inp_ts_config_sign(sign_ts, e1_line);
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//e1inp_sign_link_create(sign_ts, E1INP_SIGN_NONE, NULL, 115/*TEI*/, 0/*SAPI*/);
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e1inp_ts_config_hdlc(sign_ts, e1_line, hdlc_rx_cb);
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return e1inp_line_update(e1_line);
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}
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static struct v5le_config *g_cfg;
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static int daemonize = 0;
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const char *v5le_copyright =
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"Copyright (C) 2022 by Harald Welte\r\n"
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"License AGPLv3+: GNU AGPL version 3 or later <http://gnu.org/licenses/agpl-3.0.html>\r\n"
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"This is free software: you are free to change and redistribute it.\r\n"
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"There is NO WARRANTY, to the extent permitted by law.\r\n";
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static char *config_file = "osmo-v5le.cfg";
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static void print_help()
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{
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printf("Some useful options:\n");
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printf(" -h --help is printing this text.\n");
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printf(" -c --config-file filename The config file to use.\n");
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printf(" -s --disable-color\n");
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printf(" -D --daemonize Fork the process into a background daemon\n");
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printf(" -V --version Print the version number\n");
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printf("\nVTY reference generation:\n");
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printf(" --vty-ref-mode MODE VTY reference generation mode (e.g. 'expert').\n");
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printf(" --vty-ref-xml Generate the VTY reference XML output and exit.\n");
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}
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static void handle_long_options(const char *prog_name, const int long_option)
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{
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static int vty_ref_mode = VTY_REF_GEN_MODE_DEFAULT;
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switch (long_option) {
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case 1:
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vty_ref_mode = get_string_value(vty_ref_gen_mode_names, optarg);
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if (vty_ref_mode < 0) {
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fprintf(stderr, "%s: Unknown VTY reference generation "
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"mode '%s'\n", prog_name, optarg);
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exit(2);
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}
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break;
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case 2:
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fprintf(stderr, "Generating the VTY reference in mode '%s' (%s)\n",
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get_value_string(vty_ref_gen_mode_names, vty_ref_mode),
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get_value_string(vty_ref_gen_mode_desc, vty_ref_mode));
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vty_dump_xml_ref_mode(stdout, (enum vty_ref_gen_mode) vty_ref_mode);
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exit(0);
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default:
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fprintf(stderr, "%s: error parsing cmdline options\n", prog_name);
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exit(2);
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}
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}
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static void handle_options(int argc, char **argv)
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{
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while (1) {
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int option_index = 0, c;
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static int long_option = 0;
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static struct option long_options[] = {
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{"help", 0, 0, 'h'},
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{"config-file", 1, 0, 'c'},
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{"daemonize", 0, 0, 'D'},
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{"version", 0, 0, 'V'},
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{"disable-color", 0, 0, 's'},
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{"vty-ref-mode", 1, &long_option, 1},
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{"vty-ref-xml", 0, &long_option, 2},
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{0, 0, 0, 0},
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};
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c = getopt_long(argc, argv, "hc:sVD", long_options, &option_index);
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if (c == -1)
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break;
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switch(c) {
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case 'h':
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print_help();
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exit(0);
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break;
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case 0:
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handle_long_options(argv[0], long_option);
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break;
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case 'c':
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config_file = talloc_strdup(tall_v5le_ctx, optarg);
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break;
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case 's':
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log_set_use_color(osmo_stderr_target, 0);
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break;
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case 'V':
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print_version(1);
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exit(0);
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break;
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case 'D':
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daemonize = 1;
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break;
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default:
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/* ignore */
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break;
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};
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}
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if (argc > optind) {
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fprintf(stderr, "Unsupported positional arguments on command line\n");
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exit(2);
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}
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}
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int v5le_vty_is_config_node(struct vty *vty, int node)
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{
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switch (node) {
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case CONFIG_NODE:
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return 0;
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default:
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return 1;
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}
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}
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int v5le_vty_go_parent(struct vty *vty)
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{
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switch (vty->node) {
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default:
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if (v5le_vty_is_config_node(vty, vty->node))
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vty->node = CONFIG_NODE;
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else
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vty->node = ENABLE_NODE;
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vty->index = NULL;
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}
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return vty->node;
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}
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static struct vty_app_info vty_info = {
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.name = "OsmoV5LE",
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.version = PACKAGE_VERSION,
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.go_parent_cb = v5le_vty_go_parent,
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.is_config_node = v5le_vty_is_config_node,
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};
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static const struct log_info_cat log_categories[] = {
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};
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const struct log_info log_info = {
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.cat = log_categories,
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.num_cat = ARRAY_SIZE(log_categories),
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};
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int main(int argc, char **argv)
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{
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unsigned int flags;
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int rc;
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tall_v5le_ctx = talloc_named_const(NULL, 1, "v5le");
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vty_info.tall_ctx = tall_v5le_ctx;
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msgb_talloc_ctx_init(tall_v5le_ctx, 0);
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osmo_init_ignore_signals();
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osmo_init_logging2(tall_v5le_ctx, &log_info);
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libosmo_abis_init(tall_v5le_ctx);
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g_cfg = v5le_config_alloc(tall_v5le_ctx);
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if (!g_cfg)
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return -1;
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vty_info.copyright = v5le_copyright;
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vty_init(&vty_info);
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logging_vty_add_cmds();
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osmo_talloc_vty_add_cmds();
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osmo_stats_vty_add_cmds();
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//mgcp_vty_init();
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ctrl_vty_init(g_cfg);
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e1inp_vty_init();
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osmo_cpu_sched_vty_init(tall_v5le_ctx);
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handle_options(argc, argv);
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rate_ctr_init(tall_v5le_ctx);
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osmo_stats_init(tall_v5le_ctx);
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rc = vty_read_config_file(config_file, NULL);
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if (rc < 0)
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return rc;
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rc = e1_init();
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OSMO_ASSERT(rc == 0);
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/* start telnet after reading config for vty_get_bind_addr() */
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rc = telnet_init_dynif(tall_v5le_ctx, NULL,
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vty_get_bind_addr(), OSMO_VTY_PORT_MGW);
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if (rc < 0)
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return rc;
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#if 0
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cfg->ctrl = v5le_ctrl_interface_setup(cfg, ctrl_vty_get_bind_addr(), OSMO_CTRL_PORT_MGW);
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if (!cfg->ctrl) {
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fprintf(stderr, "Failed to init the control interface on %s:%u. Exiting\n",
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ctrl_vty_get_bind_addr(), OSMO_CTRL_PORT_MGW);
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}
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/* Set the reset callback function. This functions is called when the
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* mgcp-command "RSIP" (Reset in Progress) is received */
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cfg->reset_cb = mgcp_rsip_cb;
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/* we need to bind a socket */
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flags = OSMO_SOCK_F_BIND;
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if (strlen(cfg->call_agent_addr))
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flags |= OSMO_SOCK_F_CONNECT;
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rc = osmo_sock_init2_ofd(&cfg->gw_fd.bfd, AF_UNSPEC, SOCK_DGRAM, IPPROTO_UDP,
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cfg->source_addr, cfg->source_port,
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cfg->call_agent_addr, strlen(cfg->call_agent_addr) ? 2727 : 0, flags);
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if (rc < 0) {
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perror("Gateway failed to bind");
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return -1;
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}
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cfg->gw_fd.bfd.cb = read_call_agent;
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cfg->gw_fd.bfd.data = msgb_alloc(4096, "mgcp-msg");
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if (!cfg->gw_fd.bfd.data) {
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fprintf(stderr, "Gateway memory error.\n");
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return -1;
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}
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LOGP(DLMGCP, LOGL_NOTICE, "Configured for MGCP, listen on %s:%u\n",
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cfg->source_addr, cfg->source_port);
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#endif
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/* initialisation */
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srand(time(NULL));
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if (daemonize) {
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rc = osmo_daemonize();
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if (rc < 0) {
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perror("Error during daemonize");
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exit(1);
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}
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}
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/* main loop */
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while (1) {
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osmo_select_main(0);
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}
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return 0;
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}
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@ -0,0 +1,12 @@
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e1_input
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e1_line 0 driver dahdi
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e1_line 0 port 7
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log stderr
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logging filter all 1
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logging color 1
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logging print category-hex 0
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logging print category 1
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logging print file 1
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logging level llapd debug
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logging level linp debug
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