1025 lines
28 KiB
C
1025 lines
28 KiB
C
/* A Media Gateway Control Protocol Media Gateway: RFC 3435 */
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/* The protocol implementation */
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/*
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* (C) 2009-2011 by Holger Hans Peter Freyther <zecke@selfish.org>
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* (C) 2009-2011 by On-Waves
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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 <sys/types.h>
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#include <osmocom/core/talloc.h>
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#include <mgcp/mgcp.h>
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#include <mgcp/mgcp_internal.h>
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#include <ss7_vty.h>
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#include <string.h>
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#include <netdb.h>
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/* MGW changes */
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extern void mgcp_write_extra(struct vty *vty, struct mgcp_config *cfg);
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extern void mgcp_write_trunk_extra(struct vty *vty, struct mgcp_trunk_config *cfg);
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extern void mgcp_write_vtrunk_extra(struct vty *vty, struct mgcp_trunk_config *cfg);
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static int allocate_endpoints(struct mgcp_trunk_config *tcfg);
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int mgcp_go_parent(struct vty *vty)
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{
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switch (vty->node) {
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case TRUNK_NODE:
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case VTRUNK_NODE:
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vty->node = MGCP_NODE;
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break;
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default:
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vty->node = CONFIG_NODE;
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break;
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}
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return vty->node;
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}
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DEFUN(ournode_exit, ournode_exit_cmd,
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"exit", "Exit\n")
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{
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mgcp_go_parent(vty);
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return CMD_SUCCESS;
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}
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DEFUN(ournode_end, ournode_end_cmd,
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"end", "End the current mode\n")
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{
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switch (vty->node) {
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case VIEW_NODE:
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case ENABLE_NODE:
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break;
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default:
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vty_config_unlock(vty);
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vty->node = ENABLE_NODE;
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vty->index = NULL;
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vty->index_sub = NULL;
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break;
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}
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return CMD_SUCCESS;
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}
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/* a talloc string replace routine */
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static void bsc_replace_string(void *ctx, char **dst, const char *newstr)
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{
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if (*dst)
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talloc_free(*dst);
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*dst = talloc_strdup(ctx, newstr);
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}
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#define RTCP_OMIT_STR "Drop RTCP packets in both directions\n"
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struct mgcp_config *g_cfg = NULL;
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static struct mgcp_trunk_config *find_trunk(struct mgcp_config *cfg,
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const char *type, const char *name)
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{
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struct mgcp_trunk_config *trunk;
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if (strcmp(type, "virtual") == 0)
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trunk = mgcp_trunk_domain(cfg, name);
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else
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trunk = mgcp_trunk_num(cfg, atoi(name));
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return trunk;
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}
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/*
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* vty code for mgcp below
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*/
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struct cmd_node mgcp_node = {
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MGCP_NODE,
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"%s(config-mgcp)# ",
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1,
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};
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struct cmd_node vtrunk_node = {
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VTRUNK_NODE,
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"%s(config-mgcp-vtrunk)#",
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1,
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};
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struct cmd_node trunk_node = {
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TRUNK_NODE,
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"%s(config-mgcp-trunk)# ",
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1,
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};
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static int config_write_mgcp(struct vty *vty)
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{
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vty_out(vty, "mgcp%s", VTY_NEWLINE);
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if (g_cfg->local_ip)
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vty_out(vty, " local ip %s%s", g_cfg->local_ip, VTY_NEWLINE);
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if (g_cfg->bts_ip && strlen(g_cfg->bts_ip) != 0)
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vty_out(vty, " mgw ip %s%s", g_cfg->bts_ip, VTY_NEWLINE);
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vty_out(vty, " bind ip %s%s", g_cfg->source_addr, VTY_NEWLINE);
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vty_out(vty, " bind port %u%s", g_cfg->source_port, VTY_NEWLINE);
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if (g_cfg->bts_ports.mode == PORT_ALLOC_STATIC)
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vty_out(vty, " rtp bts-base %u%s", g_cfg->bts_ports.base_port, VTY_NEWLINE);
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else
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vty_out(vty, " rtp bts-range %u %u%s",
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g_cfg->bts_ports.range_start, g_cfg->bts_ports.range_end, VTY_NEWLINE);
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if (g_cfg->net_ports.mode == PORT_ALLOC_STATIC)
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vty_out(vty, " rtp net-base %u%s", g_cfg->net_ports.base_port, VTY_NEWLINE);
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else
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vty_out(vty, " rtp net-range %u %u%s",
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g_cfg->net_ports.range_start, g_cfg->net_ports.range_end, VTY_NEWLINE);
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vty_out(vty, " rtp ip-dscp %d%s", g_cfg->endp_dscp, VTY_NEWLINE);
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if (g_cfg->call_agent_addr)
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vty_out(vty, " call-agent ip %s%s", g_cfg->call_agent_addr, VTY_NEWLINE);
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if (g_cfg->transcoder_ip)
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vty_out(vty, " transcoder-mgw %s%s", g_cfg->transcoder_ip, VTY_NEWLINE);
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if (g_cfg->transcoder_ports.mode == PORT_ALLOC_STATIC)
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vty_out(vty, " rtp transcoder-base %u%s", g_cfg->transcoder_ports.base_port, VTY_NEWLINE);
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else
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vty_out(vty, " rtp transcoder-range %u %u%s",
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g_cfg->transcoder_ports.range_start, g_cfg->transcoder_ports.range_end, VTY_NEWLINE);
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vty_out(vty, " transcoder-remote-base %u%s", g_cfg->transcoder_remote_base, VTY_NEWLINE);
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mgcp_write_extra(vty, g_cfg);
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return CMD_SUCCESS;
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}
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static void dump_trunk(struct vty *vty, struct mgcp_trunk_config *cfg)
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{
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int i;
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if (cfg->trunk_type == MGCP_TRUNK_VIRTUAL) {
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vty_out(vty, "vtrunk %s with %d endpoints:%s",
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cfg->virtual_domain, cfg->number_endpoints - 1,
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VTY_NEWLINE);
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} else {
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vty_out(vty, "trunk nr %d with %d endpoints:%s",
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cfg->trunk_nr, cfg->number_endpoints - 1,
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VTY_NEWLINE);
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}
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if (!cfg->endpoints) {
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vty_out(vty, "No endpoints allocated yet.%s", VTY_NEWLINE);
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return;
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}
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for (i = 1; i < cfg->number_endpoints; ++i) {
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struct mgcp_endpoint *endp = &cfg->endpoints[i];
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/* skip if it is blocked */
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if (endp->blocked)
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continue;
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vty_out(vty,
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" Endpoint 0x%.2x: CI: %d net: %u/%u bts: %u/%u on %s "
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"traffic received bts: %u remote: %u transcoder: %u/%u%s",
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i, endp->ci,
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ntohs(endp->net_end.rtp_port), ntohs(endp->net_end.rtcp_port),
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ntohs(endp->bts_end.rtp_port), ntohs(endp->bts_end.rtcp_port),
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inet_ntoa(endp->bts_end.addr),
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endp->bts_end.packets, endp->net_end.packets,
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endp->trans_net.packets, endp->trans_bts.packets,
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VTY_NEWLINE);
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}
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}
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DEFUN(show_mcgp, show_mgcp_cmd, "show mgcp",
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SHOW_STR "Display information about the MGCP Media Gateway")
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{
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struct mgcp_trunk_config *trunk;
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llist_for_each_entry(trunk, &g_cfg->vtrunks, entry)
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dump_trunk(vty, trunk);
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llist_for_each_entry(trunk, &g_cfg->trunks, entry)
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dump_trunk(vty, trunk);
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return CMD_SUCCESS;
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}
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DEFUN(cfg_mgcp,
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cfg_mgcp_cmd,
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"mgcp",
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"Configure the MGCP")
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{
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vty->node = MGCP_NODE;
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return CMD_SUCCESS;
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}
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DEFUN(cfg_mgcp_local_ip,
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cfg_mgcp_local_ip_cmd,
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"local ip A.B.C.D",
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"Local options for the SDP record\n"
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IP_STR
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"IPv4 Address to use in SDP record\n")
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{
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struct hostent *hosts;
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struct in_addr *addr;
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hosts = gethostbyname(argv[0]);
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if (!hosts || hosts->h_length < 1 || hosts->h_addrtype != AF_INET) {
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vty_out(vty, "Failed to resolve '%s'%s", argv[0], VTY_NEWLINE);
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return CMD_WARNING;
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}
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addr = (struct in_addr *) hosts->h_addr_list[0];
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bsc_replace_string(g_cfg, &g_cfg->local_ip, inet_ntoa(*addr));
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return CMD_SUCCESS;
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}
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DEFUN(cfg_mgcp_mgw_ip,
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cfg_mgcp_mgw_ip_cmd,
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"mgw ip A.B.C.D",
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"BTS Audio source/destination options\n"
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IP_STR
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"IPv4 Address of the BTS\n")
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{
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struct hostent *hosts;
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struct in_addr *addr;
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hosts = gethostbyname(argv[0]);
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if (!hosts || hosts->h_length < 1 || hosts->h_addrtype != AF_INET) {
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vty_out(vty, "Failed to resolve '%s'%s", argv[0], VTY_NEWLINE);
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return CMD_WARNING;
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}
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addr = (struct in_addr *) hosts->h_addr_list[0];
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bsc_replace_string(g_cfg, &g_cfg->bts_ip, inet_ntoa(*addr));
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inet_aton(g_cfg->bts_ip, &g_cfg->bts_in);
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return CMD_SUCCESS;
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}
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#define BIND_STR "Listen/Bind related socket option\n"
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DEFUN(cfg_mgcp_bind_ip,
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cfg_mgcp_bind_ip_cmd,
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"bind ip A.B.C.D",
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BIND_STR
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IP_STR
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"IPv4 Address to bind to\n")
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{
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bsc_replace_string(g_cfg, &g_cfg->source_addr, argv[0]);
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return CMD_SUCCESS;
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}
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DEFUN(cfg_mgcp_bind_port,
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cfg_mgcp_bind_port_cmd,
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"bind port <0-65534>",
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BIND_STR
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"Port information\n"
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"UDP port to listen for MGCP messages\n")
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{
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unsigned int port = atoi(argv[0]);
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g_cfg->source_port = port;
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return CMD_SUCCESS;
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}
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DEFUN(cfg_mgcp_bind_early,
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cfg_mgcp_bind_early_cmd,
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"bind early (0|1)",
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BIND_STR
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"Bind local ports on start up\n"
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"Bind on demand\n" "Bind on startup\n")
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{
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vty_out(vty, "bind early is deprecated, remove it from the config.\n");
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return CMD_WARNING;
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}
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static void parse_base(struct mgcp_port_range *range, const char **argv)
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{
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unsigned int port = atoi(argv[0]);
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range->mode = PORT_ALLOC_STATIC;
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range->base_port = port;
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}
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static void parse_range(struct mgcp_port_range *range, const char **argv)
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{
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range->mode = PORT_ALLOC_DYNAMIC;
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range->range_start = atoi(argv[0]);
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range->range_end = atoi(argv[1]);
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range->last_port = g_cfg->bts_ports.range_start;
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}
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#define RTP_STR "RTP configuration\n"
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#define BTS_START_STR "First UDP port allocated for the BTS side\n"
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#define NET_START_STR "First UDP port allocated for the NET side\n"
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#define UDP_PORT_STR "UDP Port number\n"
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DEFUN(cfg_mgcp_rtp_bts_base_port,
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cfg_mgcp_rtp_bts_base_port_cmd,
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"rtp bts-base <0-65534>",
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RTP_STR
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BTS_START_STR
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UDP_PORT_STR)
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{
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parse_base(&g_cfg->bts_ports, argv);
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return CMD_SUCCESS;
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}
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#define RANGE_START_STR "Start of the range of ports\n"
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#define RANGE_END_STR "End of the range of ports\n"
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DEFUN(cfg_mgcp_rtp_bts_range,
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cfg_mgcp_rtp_bts_range_cmd,
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"rtp bts-range <0-65534> <0-65534>",
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RTP_STR "Range of ports to use for the BTS side\n"
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RANGE_START_STR RANGE_END_STR)
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{
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parse_range(&g_cfg->bts_ports, argv);
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return CMD_SUCCESS;
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}
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DEFUN(cfg_mgcp_rtp_net_range,
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cfg_mgcp_rtp_net_range_cmd,
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"rtp net-range <0-65534> <0-65534>",
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RTP_STR "Range of ports to use for the NET side\n"
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RANGE_START_STR RANGE_END_STR)
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{
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parse_range(&g_cfg->net_ports, argv);
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return CMD_SUCCESS;
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}
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DEFUN(cfg_mgcp_rtp_net_base_port,
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cfg_mgcp_rtp_net_base_port_cmd,
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"rtp net-base <0-65534>",
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RTP_STR NET_START_STR UDP_PORT_STR)
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{
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parse_base(&g_cfg->net_ports, argv);
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return CMD_SUCCESS;
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}
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ALIAS_DEPRECATED(cfg_mgcp_rtp_bts_base_port, cfg_mgcp_rtp_base_port_cmd,
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"rtp base <0-65534>",
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RTP_STR BTS_START_STR UDP_PORT_STR)
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DEFUN(cfg_mgcp_rtp_transcoder_range,
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cfg_mgcp_rtp_transcoder_range_cmd,
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"rtp transcoder-range <0-65534> <0-65534>",
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RTP_STR "Range of ports to use for the Transcoder\n"
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RANGE_START_STR RANGE_END_STR)
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{
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parse_range(&g_cfg->transcoder_ports, argv);
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return CMD_SUCCESS;
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}
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DEFUN(cfg_mgcp_rtp_transcoder_base,
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cfg_mgcp_rtp_transcoder_base_cmd,
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"rtp transcoder-base <0-65534>",
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RTP_STR "First UDP port allocated for the Transcoder side\n"
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UDP_PORT_STR)
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{
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parse_base(&g_cfg->transcoder_ports, argv);
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return CMD_SUCCESS;
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}
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DEFUN(cfg_mgcp_rtp_ip_dscp,
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cfg_mgcp_rtp_ip_dscp_cmd,
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"rtp ip-dscp <0-255>",
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RTP_STR
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"Apply IP_TOS to the audio stream\n" "The DSCP value\n")
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{
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int dscp = atoi(argv[0]);
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g_cfg->endp_dscp = dscp;
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return CMD_SUCCESS;
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}
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ALIAS_DEPRECATED(cfg_mgcp_rtp_ip_dscp, cfg_mgcp_rtp_ip_tos_cmd,
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"rtp ip-tos <0-255>",
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RTP_STR
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"Apply IP_TOS to the audio stream\n" "The DSCP value\n")
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#define SDP_STR "SDP File related options\n"
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#define AUDIO_STR "Audio payload options\n"
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DEFUN(cfg_vtrunk_number_endp,
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cfg_vtrunk_number_endp_cmd,
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"number endpoints <0-65534>",
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"The number of endpoints to allocate. This is not dynamic.")
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{
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struct mgcp_trunk_config *trunk = vty->index;
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if (trunk->endpoints) {
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vty_out(vty, "Can not change size.%s", VTY_NEWLINE);
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return CMD_WARNING;
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}
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/* + 1 as we start counting at one */
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trunk->number_endpoints = atoi(argv[0]) + 1;
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if (allocate_endpoints(trunk) != 0) {
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vty_out(vty, "Can not allocate endpoints.%s", VTY_NEWLINE);
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return CMD_WARNING;
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}
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return CMD_SUCCESS;
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}
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#define CALL_AGENT_STR "Callagent information\n"
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DEFUN(cfg_mgcp_agent_addr,
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cfg_mgcp_agent_addr_cmd,
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"call-agent ip A.B.C.D",
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CALL_AGENT_STR IP_STR
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"IPv4 Address of the callagent\n")
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{
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bsc_replace_string(g_cfg, &g_cfg->call_agent_addr, argv[0]);
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return CMD_SUCCESS;
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}
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ALIAS_DEPRECATED(cfg_mgcp_agent_addr, cfg_mgcp_agent_addr_cmd_old,
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"call agent ip A.B.C.D",
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CALL_AGENT_STR CALL_AGENT_STR IP_STR
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"IPv4 Address of the callagent\n")
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DEFUN(cfg_mgcp_transcoder,
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cfg_mgcp_transcoder_cmd,
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"transcoder-mgw A.B.C.D",
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"Use a MGW to detranscoder RTP\n"
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"The IP address of the MGW")
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{
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bsc_replace_string(g_cfg, &g_cfg->transcoder_ip, argv[0]);
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inet_aton(g_cfg->transcoder_ip, &g_cfg->transcoder_in);
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return CMD_SUCCESS;
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}
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DEFUN(cfg_mgcp_no_transcoder,
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cfg_mgcp_no_transcoder_cmd,
|
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"no transcoder-mgw",
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NO_STR "Disable the transcoding\n")
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{
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if (g_cfg->transcoder_ip) {
|
|
LOGP(DMGCP, LOGL_NOTICE, "Disabling transcoding on future calls.\n");
|
|
talloc_free(g_cfg->transcoder_ip);
|
|
g_cfg->transcoder_ip = NULL;
|
|
}
|
|
|
|
return CMD_SUCCESS;
|
|
}
|
|
|
|
DEFUN(cfg_mgcp_transcoder_remote_base,
|
|
cfg_mgcp_transcoder_remote_base_cmd,
|
|
"transcoder-remote-base <0-65534>",
|
|
"Set the base port for the transcoder\n" "The RTP base port on the transcoder")
|
|
{
|
|
g_cfg->transcoder_remote_base = atoi(argv[0]);
|
|
return CMD_SUCCESS;
|
|
}
|
|
|
|
DEFUN(cfg_mgcp_vtrunk, cfg_mgcp_vtrunk_cmd,
|
|
"vtrunk NAME",
|
|
"Configure a Virtual Trunk\n" "Domain Name\n")
|
|
{
|
|
struct mgcp_trunk_config *trunk;
|
|
|
|
trunk = mgcp_trunk_domain(g_cfg, argv[0]);
|
|
if (!trunk)
|
|
trunk = mgcp_vtrunk_alloc(g_cfg, argv[0]);
|
|
|
|
if (!trunk) {
|
|
vty_out(vty, "%%Unable to allocate trunk %s.%s",
|
|
argv[0], VTY_NEWLINE);
|
|
return CMD_WARNING;
|
|
}
|
|
|
|
vty->node = VTRUNK_NODE;
|
|
vty->index = trunk;
|
|
return CMD_SUCCESS;
|
|
}
|
|
|
|
DEFUN(cfg_mgcp_trunk, cfg_mgcp_trunk_cmd,
|
|
"trunk <1-64>",
|
|
"Configure a SS7 trunk\n" "Trunk Nr\n")
|
|
{
|
|
struct mgcp_trunk_config *trunk;
|
|
int index = atoi(argv[0]);
|
|
|
|
trunk = mgcp_trunk_num(g_cfg, index);
|
|
if (!trunk) {
|
|
trunk = mgcp_trunk_alloc(g_cfg, index);
|
|
if (allocate_endpoints(trunk) != 0) {
|
|
vty_out(vty, "%%Unable to allocate endpoints.%s",
|
|
VTY_NEWLINE);
|
|
mgcp_trunk_free(trunk);
|
|
return CMD_WARNING;
|
|
}
|
|
}
|
|
|
|
if (!trunk) {
|
|
vty_out(vty, "%%Unable to allocate trunk %u.%s",
|
|
index, VTY_NEWLINE);
|
|
return CMD_WARNING;
|
|
}
|
|
|
|
vty->node = TRUNK_NODE;
|
|
vty->index = trunk;
|
|
return CMD_SUCCESS;
|
|
}
|
|
|
|
static void config_write_trunk_common(struct vty *vty,
|
|
struct mgcp_trunk_config *tcfg)
|
|
{
|
|
vty_out(vty, " sdp audio payload number %d%s",
|
|
tcfg->audio_payload, VTY_NEWLINE);
|
|
vty_out(vty, " sdp audio payload name %s%s",
|
|
tcfg->audio_name, VTY_NEWLINE);
|
|
vty_out(vty, " loop %d%s",
|
|
tcfg->audio_loop, VTY_NEWLINE);
|
|
if (tcfg->omit_rtcp)
|
|
vty_out(vty, " rtcp-omit%s", VTY_NEWLINE);
|
|
else
|
|
vty_out(vty, " no rtcp-omit%s", VTY_NEWLINE);
|
|
}
|
|
|
|
static int config_write_trunk(struct vty *vty)
|
|
{
|
|
struct mgcp_trunk_config *trunk;
|
|
|
|
llist_for_each_entry(trunk, &g_cfg->trunks, entry) {
|
|
vty_out(vty, " trunk %d%s", trunk->trunk_nr, VTY_NEWLINE);
|
|
config_write_trunk_common(vty, trunk);
|
|
mgcp_write_trunk_extra(vty, trunk);
|
|
}
|
|
|
|
return CMD_SUCCESS;
|
|
}
|
|
|
|
static int config_write_vtrunk(struct vty *vty)
|
|
{
|
|
struct mgcp_trunk_config *trunk;
|
|
|
|
llist_for_each_entry(trunk, &g_cfg->vtrunks, entry) {
|
|
vty_out(vty, " vtrunk %s%s", trunk->virtual_domain, VTY_NEWLINE);
|
|
vty_out(vty, " number endpoints %d%s",
|
|
trunk->number_endpoints - 1, VTY_NEWLINE);
|
|
config_write_trunk_common(vty, trunk);
|
|
mgcp_write_vtrunk_extra(vty, trunk);
|
|
}
|
|
|
|
return CMD_SUCCESS;
|
|
}
|
|
|
|
DEFUN(cfg_trunk_payload_number,
|
|
cfg_trunk_payload_number_cmd,
|
|
"sdp audio-payload number <1-255>",
|
|
SDP_STR AUDIO_STR "Number\n" "Payload Number\n")
|
|
{
|
|
struct mgcp_trunk_config *trunk = vty->index;
|
|
unsigned int payload = atoi(argv[0]);
|
|
|
|
trunk->audio_payload = payload;
|
|
return CMD_SUCCESS;
|
|
}
|
|
|
|
ALIAS_DEPRECATED(cfg_trunk_payload_number, cfg_trunk_payload_number_cmd_old,
|
|
"sdp audio payload number <1-255>",
|
|
SDP_STR AUDIO_STR AUDIO_STR "Number\n" "Payload Number\n")
|
|
|
|
DEFUN(cfg_trunk_payload_name,
|
|
cfg_trunk_payload_name_cmd,
|
|
"sdp audio-payload name NAME",
|
|
SDP_STR AUDIO_STR "Payload\n" "Payload Name\n")
|
|
{
|
|
struct mgcp_trunk_config *trunk = vty->index;
|
|
|
|
bsc_replace_string(g_cfg, &trunk->audio_name, argv[0]);
|
|
return CMD_SUCCESS;
|
|
}
|
|
|
|
ALIAS_DEPRECATED(cfg_trunk_payload_name, cfg_trunk_payload_name_cmd_old,
|
|
"sdp audio payload name NAME",
|
|
SDP_STR AUDIO_STR AUDIO_STR "Payload\n" "Payload Name\n")
|
|
|
|
|
|
DEFUN(cfg_trunk_loop,
|
|
cfg_trunk_loop_cmd,
|
|
"loop (0|1)",
|
|
"Loop audio for all endpoints on this trunk\n"
|
|
"Don't Loop\n" "Loop\n")
|
|
{
|
|
struct mgcp_trunk_config *trunk = vty->index;
|
|
|
|
trunk->audio_loop = atoi(argv[0]);
|
|
return CMD_SUCCESS;
|
|
}
|
|
|
|
DEFUN(cfg_trunk_omit_rtcp,
|
|
cfg_trunk_omit_rtcp_cmd,
|
|
"rtcp-omit",
|
|
RTCP_OMIT_STR)
|
|
{
|
|
struct mgcp_trunk_config *trunk = vty->index;
|
|
trunk->omit_rtcp = 1;
|
|
return CMD_SUCCESS;
|
|
}
|
|
|
|
DEFUN(cfg_trunk_no_omit_rtcp,
|
|
cfg_trunk_no_omit_rtcp_cmd,
|
|
"no rtcp-omit",
|
|
NO_STR RTCP_OMIT_STR)
|
|
{
|
|
struct mgcp_trunk_config *trunk = vty->index;
|
|
trunk->omit_rtcp = 0;
|
|
return CMD_SUCCESS;
|
|
}
|
|
|
|
#define TRUNK_TYPE_STR "Virtual trunk\nE1 trunk\n"
|
|
#define TRUNK_IDENT_STR "Trunk identifier depending on the type\n"
|
|
|
|
DEFUN(loop_endp,
|
|
loop_endp_cmd,
|
|
"loop-endpoint (virtual|e1) IDENT NAME (0|1)",
|
|
"Loop a given endpoint\n"
|
|
TRUNK_TYPE_STR
|
|
TRUNK_IDENT_STR
|
|
"The name in hex of the endpoint\n" "Disable the loop\n" "Enable the loop\n")
|
|
{
|
|
struct mgcp_trunk_config *trunk;
|
|
struct mgcp_endpoint *endp;
|
|
|
|
trunk = find_trunk(g_cfg, argv[0], argv[1]);
|
|
if (!trunk) {
|
|
vty_out(vty, "%%Trunk %d not found in the config.%s",
|
|
atoi(argv[0]), VTY_NEWLINE);
|
|
return CMD_WARNING;
|
|
}
|
|
|
|
if (!trunk->endpoints) {
|
|
vty_out(vty, "%%Trunk %d has no endpoints allocated.%s",
|
|
trunk->trunk_nr, VTY_NEWLINE);
|
|
return CMD_WARNING;
|
|
}
|
|
|
|
int endp_no = strtoul(argv[2], NULL, 16);
|
|
if (endp_no < 1 || endp_no >= trunk->number_endpoints) {
|
|
vty_out(vty, "Loopback number %s/%d is invalid.%s",
|
|
argv[1], endp_no, VTY_NEWLINE);
|
|
return CMD_WARNING;
|
|
}
|
|
|
|
|
|
endp = &trunk->endpoints[endp_no];
|
|
int loop = atoi(argv[3]);
|
|
|
|
if (loop)
|
|
endp->conn_mode = MGCP_CONN_LOOPBACK;
|
|
else
|
|
endp->conn_mode = endp->orig_mode;
|
|
endp->allow_patch = 1;
|
|
|
|
return CMD_SUCCESS;
|
|
}
|
|
|
|
DEFUN(tap_call,
|
|
tap_call_cmd,
|
|
"tap-call (virtual|e1) IDENT ENDPOINT (bts-in|bts-out|net-in|net-out) A.B.C.D <0-65534>",
|
|
"Forward data on endpoint to a different system\n"
|
|
TRUNK_TYPE_STR
|
|
TRUNK_IDENT_STR
|
|
"The endpoint in hex\n"
|
|
"Forward the data coming from the bts\n"
|
|
"Forward the data coming from the bts leaving to the network\n"
|
|
"Forward the data coming from the net\n"
|
|
"Forward the data coming from the net leaving to the bts\n"
|
|
"destination IP of the data\n" "destination port\n")
|
|
{
|
|
struct mgcp_rtp_tap *tap;
|
|
struct mgcp_trunk_config *trunk;
|
|
struct mgcp_endpoint *endp;
|
|
int port = 0;
|
|
|
|
trunk = find_trunk(g_cfg, argv[0], argv[1]);
|
|
if (!trunk) {
|
|
vty_out(vty, "%%Trunk %d not found in the config.%s",
|
|
atoi(argv[1]), VTY_NEWLINE);
|
|
return CMD_WARNING;
|
|
}
|
|
|
|
if (!trunk->endpoints) {
|
|
vty_out(vty, "%%Trunk %d has no endpoints allocated.%s",
|
|
trunk->trunk_nr, VTY_NEWLINE);
|
|
return CMD_WARNING;
|
|
}
|
|
|
|
int endp_no = strtoul(argv[2], NULL, 16);
|
|
if (endp_no < 1 || endp_no >= trunk->number_endpoints) {
|
|
vty_out(vty, "Endpoint number %s/%d is invalid.%s",
|
|
argv[1], endp_no, VTY_NEWLINE);
|
|
return CMD_WARNING;
|
|
}
|
|
|
|
endp = &trunk->endpoints[endp_no];
|
|
|
|
if (strcmp(argv[3], "bts-in") == 0) {
|
|
port = MGCP_TAP_BTS_IN;
|
|
} else if (strcmp(argv[3], "bts-out") == 0) {
|
|
port = MGCP_TAP_BTS_OUT;
|
|
} else if (strcmp(argv[3], "net-in") == 0) {
|
|
port = MGCP_TAP_NET_IN;
|
|
} else if (strcmp(argv[3], "net-out") == 0) {
|
|
port = MGCP_TAP_NET_OUT;
|
|
} else {
|
|
vty_out(vty, "Unknown mode... tricked vty?%s", VTY_NEWLINE);
|
|
return CMD_WARNING;
|
|
}
|
|
|
|
tap = &endp->taps[port];
|
|
memset(&tap->forward, 0, sizeof(tap->forward));
|
|
inet_aton(argv[4], &tap->forward.sin_addr);
|
|
tap->forward.sin_port = htons(atoi(argv[5]));
|
|
tap->enabled = 1;
|
|
return CMD_SUCCESS;
|
|
}
|
|
|
|
DEFUN(free_endp, free_endp_cmd,
|
|
"free-endpoint (virtual|e1) IDENT NUMBER",
|
|
"Free the given endpoint\n"
|
|
TRUNK_TYPE_STR
|
|
TRUNK_IDENT_STR
|
|
"Endpoint number in hex.\n")
|
|
{
|
|
struct mgcp_trunk_config *trunk;
|
|
struct mgcp_endpoint *endp;
|
|
|
|
trunk = find_trunk(g_cfg, argv[0], argv[1]);
|
|
if (!trunk) {
|
|
vty_out(vty, "%%Trunk %d not found in the config.%s",
|
|
atoi(argv[1]), VTY_NEWLINE);
|
|
return CMD_WARNING;
|
|
}
|
|
|
|
if (!trunk->endpoints) {
|
|
vty_out(vty, "%%Trunk %d has no endpoints allocated.%s",
|
|
trunk->trunk_nr, VTY_NEWLINE);
|
|
return CMD_WARNING;
|
|
}
|
|
|
|
int endp_no = strtoul(argv[2], NULL, 16);
|
|
if (endp_no < 1 || endp_no >= trunk->number_endpoints) {
|
|
vty_out(vty, "Endpoint number %s/%d is invalid.%s",
|
|
argv[1], endp_no, VTY_NEWLINE);
|
|
return CMD_WARNING;
|
|
}
|
|
|
|
endp = &trunk->endpoints[endp_no];
|
|
if (endp->allocated && g_cfg->realloc_cb)
|
|
g_cfg->realloc_cb(trunk, ENDPOINT_NUMBER(endp));
|
|
mgcp_free_endp(endp);
|
|
return CMD_SUCCESS;
|
|
}
|
|
|
|
DEFUN(reset_endp, reset_endp_cmd,
|
|
"reset-endpoint (virtual|e1) IDENT NUMBER",
|
|
"Reset the given endpoint\n"
|
|
TRUNK_TYPE_STR
|
|
TRUNK_IDENT_STR
|
|
"Endpoint number in hex.\n")
|
|
{
|
|
struct mgcp_trunk_config *trunk;
|
|
struct mgcp_endpoint *endp;
|
|
int endp_no, rc;
|
|
|
|
trunk = find_trunk(g_cfg, argv[0], argv[1]);
|
|
if (!trunk) {
|
|
vty_out(vty, "%%Trunk %d not found in the config.%s",
|
|
atoi(argv[0]), VTY_NEWLINE);
|
|
return CMD_WARNING;
|
|
}
|
|
|
|
if (!trunk->endpoints) {
|
|
vty_out(vty, "%%Trunk %d has no endpoints allocated.%s",
|
|
trunk->trunk_nr, VTY_NEWLINE);
|
|
return CMD_WARNING;
|
|
}
|
|
|
|
endp_no = strtoul(argv[2], NULL, 16);
|
|
if (endp_no < 1 || endp_no >= trunk->number_endpoints) {
|
|
vty_out(vty, "Endpoint number %s/%d is invalid.%s",
|
|
argv[1], endp_no, VTY_NEWLINE);
|
|
return CMD_WARNING;
|
|
}
|
|
|
|
endp = &trunk->endpoints[endp_no];
|
|
rc = mgcp_send_reset_ep(endp, ENDPOINT_NUMBER(endp));
|
|
if (rc < 0) {
|
|
vty_out(vty, "Error %d sending reset.%s", rc, VTY_NEWLINE);
|
|
return CMD_WARNING;
|
|
}
|
|
return CMD_SUCCESS;
|
|
}
|
|
|
|
DEFUN(reset_all_endp, reset_all_endp_cmd,
|
|
"reset-all-endpoints",
|
|
"Reset all endpoints\n")
|
|
{
|
|
int rc;
|
|
|
|
rc = mgcp_send_reset_all(g_cfg);
|
|
if (rc < 0) {
|
|
vty_out(vty, "Error %d during endpoint reset.%s",
|
|
rc, VTY_NEWLINE);
|
|
return CMD_WARNING;
|
|
}
|
|
return CMD_SUCCESS;
|
|
}
|
|
|
|
|
|
int mgcp_vty_init(void)
|
|
{
|
|
install_element_ve(&show_mgcp_cmd);
|
|
install_element(ENABLE_NODE, &loop_endp_cmd);
|
|
install_element(ENABLE_NODE, &tap_call_cmd);
|
|
install_element(ENABLE_NODE, &free_endp_cmd);
|
|
install_element(ENABLE_NODE, &reset_endp_cmd);
|
|
install_element(ENABLE_NODE, &reset_all_endp_cmd);
|
|
|
|
install_element(CONFIG_NODE, &cfg_mgcp_cmd);
|
|
install_node(&mgcp_node, config_write_mgcp);
|
|
|
|
install_element(MGCP_NODE, &ournode_exit_cmd);
|
|
install_element(MGCP_NODE, &ournode_end_cmd);
|
|
install_element(MGCP_NODE, &cfg_mgcp_local_ip_cmd);
|
|
install_element(MGCP_NODE, &cfg_mgcp_mgw_ip_cmd);
|
|
install_element(MGCP_NODE, &cfg_mgcp_bind_ip_cmd);
|
|
install_element(MGCP_NODE, &cfg_mgcp_bind_port_cmd);
|
|
install_element(MGCP_NODE, &cfg_mgcp_bind_early_cmd);
|
|
install_element(MGCP_NODE, &cfg_mgcp_rtp_base_port_cmd);
|
|
install_element(MGCP_NODE, &cfg_mgcp_rtp_bts_base_port_cmd);
|
|
install_element(MGCP_NODE, &cfg_mgcp_rtp_net_base_port_cmd);
|
|
install_element(MGCP_NODE, &cfg_mgcp_rtp_bts_range_cmd);
|
|
install_element(MGCP_NODE, &cfg_mgcp_rtp_net_range_cmd);
|
|
install_element(MGCP_NODE, &cfg_mgcp_rtp_transcoder_range_cmd);
|
|
install_element(MGCP_NODE, &cfg_mgcp_rtp_transcoder_base_cmd);
|
|
install_element(MGCP_NODE, &cfg_mgcp_rtp_ip_dscp_cmd);
|
|
install_element(MGCP_NODE, &cfg_mgcp_rtp_ip_tos_cmd);
|
|
install_element(MGCP_NODE, &cfg_mgcp_agent_addr_cmd);
|
|
install_element(MGCP_NODE, &cfg_mgcp_agent_addr_cmd_old);
|
|
install_element(MGCP_NODE, &cfg_mgcp_transcoder_cmd);
|
|
install_element(MGCP_NODE, &cfg_mgcp_no_transcoder_cmd);
|
|
install_element(MGCP_NODE, &cfg_mgcp_transcoder_remote_base_cmd);
|
|
|
|
install_element(MGCP_NODE, &cfg_mgcp_vtrunk_cmd);
|
|
install_node(&vtrunk_node, config_write_vtrunk);
|
|
install_element(VTRUNK_NODE, &ournode_exit_cmd);
|
|
install_element(VTRUNK_NODE, &ournode_end_cmd);
|
|
install_element(VTRUNK_NODE, &cfg_vtrunk_number_endp_cmd);
|
|
install_element(VTRUNK_NODE, &cfg_trunk_payload_number_cmd);
|
|
install_element(VTRUNK_NODE, &cfg_trunk_payload_name_cmd);
|
|
install_element(VTRUNK_NODE, &cfg_trunk_payload_number_cmd_old);
|
|
install_element(VTRUNK_NODE, &cfg_trunk_payload_name_cmd_old);
|
|
install_element(VTRUNK_NODE, &cfg_trunk_loop_cmd);
|
|
install_element(VTRUNK_NODE, &cfg_trunk_omit_rtcp_cmd);
|
|
install_element(VTRUNK_NODE, &cfg_trunk_no_omit_rtcp_cmd);
|
|
|
|
install_element(MGCP_NODE, &cfg_mgcp_trunk_cmd);
|
|
install_node(&trunk_node, config_write_trunk);
|
|
install_element(TRUNK_NODE, &ournode_exit_cmd);
|
|
install_element(TRUNK_NODE, &ournode_end_cmd);
|
|
install_element(TRUNK_NODE, &cfg_trunk_payload_number_cmd);
|
|
install_element(TRUNK_NODE, &cfg_trunk_payload_name_cmd);
|
|
install_element(TRUNK_NODE, &cfg_trunk_payload_number_cmd_old);
|
|
install_element(TRUNK_NODE, &cfg_trunk_payload_name_cmd_old);
|
|
install_element(TRUNK_NODE, &cfg_trunk_loop_cmd);
|
|
install_element(TRUNK_NODE, &cfg_trunk_omit_rtcp_cmd);
|
|
install_element(TRUNK_NODE, &cfg_trunk_no_omit_rtcp_cmd);
|
|
install_element(TRUNK_NODE, &cfg_trunk_omit_rtcp_cmd);
|
|
install_element(TRUNK_NODE, &cfg_trunk_no_omit_rtcp_cmd);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int allocate_endpoints(struct mgcp_trunk_config *tcfg)
|
|
{
|
|
if (mgcp_endpoints_allocate(tcfg) != 0) {
|
|
LOGP(DMGCP, LOGL_ERROR,
|
|
"Failed to allocate %d endpoints on trunk %d.\n",
|
|
tcfg->number_endpoints, tcfg->trunk_nr);
|
|
return -1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
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static int configure_endpoints(struct mgcp_trunk_config *trunk)
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{
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int i;
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struct mgcp_config *cfg = trunk->cfg;
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|
|
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/* early bind */
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for (i = 1; i < trunk->number_endpoints; ++i) {
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struct mgcp_endpoint *endp = &trunk->endpoints[i];
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|
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if (cfg->bts_ports.mode == PORT_ALLOC_STATIC) {
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cfg->last_bts_port += 2;
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if (mgcp_bind_bts_rtp_port(endp, cfg->last_bts_port) != 0) {
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LOGP(DMGCP, LOGL_FATAL,
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|
"Failed to bind: %d\n", cfg->last_bts_port);
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return -1;
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}
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|
endp->bts_end.local_alloc = PORT_ALLOC_STATIC;
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|
}
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|
|
|
if (cfg->net_ports.mode == PORT_ALLOC_STATIC) {
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|
cfg->last_net_port += 2;
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|
if (mgcp_bind_net_rtp_port(endp, cfg->last_net_port) != 0) {
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|
LOGP(DMGCP, LOGL_FATAL,
|
|
"Failed to bind: %d\n", cfg->last_net_port);
|
|
return -1;
|
|
}
|
|
endp->net_end.local_alloc = PORT_ALLOC_STATIC;
|
|
}
|
|
|
|
if (trunk->trunk_type == MGCP_TRUNK_VIRTUAL &&
|
|
cfg->transcoder_ip && cfg->transcoder_ports.mode == PORT_ALLOC_STATIC) {
|
|
int rtp_port;
|
|
|
|
/* network side */
|
|
rtp_port = rtp_calculate_port(ENDPOINT_NUMBER(endp),
|
|
cfg->transcoder_ports.base_port);
|
|
if (mgcp_bind_trans_net_rtp_port(endp, rtp_port) != 0) {
|
|
LOGP(DMGCP, LOGL_FATAL, "Failed to bind: %d\n", rtp_port);
|
|
return -1;
|
|
}
|
|
endp->trans_net.local_alloc = PORT_ALLOC_STATIC;
|
|
|
|
/* bts side */
|
|
rtp_port = rtp_calculate_port(endp_back_channel(ENDPOINT_NUMBER(endp)),
|
|
cfg->transcoder_ports.base_port);
|
|
if (mgcp_bind_trans_bts_rtp_port(endp, rtp_port) != 0) {
|
|
LOGP(DMGCP, LOGL_FATAL, "Failed to bind: %d\n", rtp_port);
|
|
return -1;
|
|
}
|
|
endp->trans_bts.local_alloc = PORT_ALLOC_STATIC;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int mgcp_parse_config(const char *config_file, struct mgcp_config *cfg)
|
|
{
|
|
int rc;
|
|
struct mgcp_trunk_config *trunk;
|
|
|
|
g_cfg = cfg;
|
|
rc = vty_read_config_file(config_file, NULL);
|
|
if (rc < 0) {
|
|
fprintf(stderr, "Failed to parse the config file: '%s'\n", config_file);
|
|
return rc;
|
|
}
|
|
|
|
|
|
if (!g_cfg->bts_ip)
|
|
fprintf(stderr, "No BTS ip address specified. This will allow everyone to connect.\n");
|
|
|
|
if (!g_cfg->source_addr) {
|
|
fprintf(stderr, "You need to specify a bind address.\n");
|
|
return -1;
|
|
}
|
|
|
|
/* initialize the last ports */
|
|
g_cfg->last_bts_port = rtp_calculate_port(0, g_cfg->bts_ports.base_port);
|
|
g_cfg->last_net_port = rtp_calculate_port(0, g_cfg->net_ports.base_port);
|
|
|
|
llist_for_each_entry(trunk, &g_cfg->vtrunks, entry) {
|
|
if (configure_endpoints(trunk) != 0) {
|
|
LOGP(DMGCP, LOGL_ERROR,
|
|
"Failed to initialize virtual trunk %s.\n", trunk->virtual_domain);
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
llist_for_each_entry(trunk, &g_cfg->trunks, entry) {
|
|
if (configure_endpoints(trunk) != 0) {
|
|
LOGP(DMGCP, LOGL_ERROR,
|
|
"Failed to initialize E1 trunk %d.\n", trunk->trunk_nr);
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|