| /* A Media Gateway Control Protocol Media Gateway: RFC 3435 */ |
| /* The protocol implementation */ |
| |
| /* |
| * (C) 2009-2010 by Holger Hans Peter Freyther <zecke@selfish.org> |
| * (C) 2009-2010 by On-Waves |
| * All Rights Reserved |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 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 General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License along |
| * with this program; if not, write to the Free Software Foundation, Inc., |
| * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| */ |
| |
| #include <sys/types.h> |
| |
| #include <cellmgr_debug.h> |
| |
| #include <mgcp/mgcp.h> |
| #include <mgcp/mgcp_internal.h> |
| #include <mgcp_ss7.h> |
| |
| #include <osmocore/talloc.h> |
| |
| #include <osmocom/vty/command.h> |
| #include <osmocom/vty/vty.h> |
| |
| #include <string.h> |
| #include <netdb.h> |
| |
| static struct mgcp_config *g_cfg = NULL; |
| |
| /* |
| * vty code for mgcp below |
| */ |
| static struct cmd_node mgcp_node = { |
| MGCP_NODE, |
| "%s(mgcp)#", |
| 1, |
| }; |
| |
| static int config_write_mgcp(struct vty *vty) |
| { |
| vty_out(vty, "mgcp%s", VTY_NEWLINE); |
| if (g_cfg->local_ip) |
| vty_out(vty, " local ip %s%s", g_cfg->local_ip, VTY_NEWLINE); |
| if (g_cfg->bts_ip && strlen(g_cfg->bts_ip) != 0) |
| vty_out(vty, " mgw ip %s%s", g_cfg->bts_ip, VTY_NEWLINE); |
| vty_out(vty, " bind ip %s%s", g_cfg->source_addr, VTY_NEWLINE); |
| vty_out(vty, " bind port %u%s", g_cfg->source_port, VTY_NEWLINE); |
| vty_out(vty, " rtp base %u%s", g_cfg->rtp_base_port, VTY_NEWLINE); |
| vty_out(vty, " rtp ip-dscp %d%s", g_cfg->endp_dscp, VTY_NEWLINE); |
| if (g_cfg->audio_payload != -1) |
| vty_out(vty, " sdp audio payload number %d%s", g_cfg->audio_payload, VTY_NEWLINE); |
| if (g_cfg->audio_name) |
| vty_out(vty, " sdp audio payload name %s%s", g_cfg->audio_name, VTY_NEWLINE); |
| vty_out(vty, " loop %u%s", !!g_cfg->audio_loop, VTY_NEWLINE); |
| vty_out(vty, " number endpoints %u%s", g_cfg->number_endpoints - 1, VTY_NEWLINE); |
| |
| return CMD_SUCCESS; |
| } |
| |
| DEFUN(show_mcgp, show_mgcp_cmd, "show mgcp", |
| SHOW_STR "Display information about the MGCP Media Gateway") |
| { |
| int i; |
| |
| vty_out(vty, "MGCP is up and running with %u endpoints:%s", g_cfg->number_endpoints - 1, VTY_NEWLINE); |
| for (i = 1; i < g_cfg->number_endpoints; ++i) { |
| struct mgcp_endpoint *endp = &g_cfg->endpoints[i]; |
| vty_out(vty, " Endpoint 0x%.2x: CI: %d net: %u/%u bts: %u/%u on %s traffic received bts: %u/%u remote: %u/%u%s", |
| i, endp->ci, |
| ntohs(endp->net_rtp), ntohs(endp->net_rtcp), |
| ntohs(endp->bts_rtp), ntohs(endp->bts_rtcp), |
| inet_ntoa(endp->bts), endp->in_bts, endp->bts_state.lost_no, |
| endp->in_remote, endp->net_state.lost_no, |
| VTY_NEWLINE); |
| } |
| |
| return CMD_SUCCESS; |
| } |
| |
| DEFUN(cfg_mgcp, |
| cfg_mgcp_cmd, |
| "mgcp", |
| "Configure the MGCP") |
| { |
| vty->node = MGCP_NODE; |
| return CMD_SUCCESS; |
| } |
| |
| DEFUN(cfg_mgcp_local_ip, |
| cfg_mgcp_local_ip_cmd, |
| "local ip IP", |
| "Set the IP to be used in SDP records") |
| { |
| struct hostent *hosts; |
| struct in_addr *addr; |
| |
| hosts = gethostbyname(argv[0]); |
| if (!hosts || hosts->h_length < 1 || hosts->h_addrtype != AF_INET) { |
| vty_out(vty, "Failed to resolve '%s'%s", argv[0], VTY_NEWLINE); |
| return CMD_WARNING; |
| } |
| |
| addr = (struct in_addr *) hosts->h_addr_list[0]; |
| if (g_cfg->local_ip) |
| talloc_free(g_cfg->local_ip); |
| g_cfg->local_ip = talloc_strdup(g_cfg, inet_ntoa(*addr)); |
| return CMD_SUCCESS; |
| } |
| |
| DEFUN(cfg_mgcp_mgw_ip, |
| cfg_mgcp_mgw_ip_cmd, |
| "mgw ip IP", |
| "Set the IP of the MGW for RTP forwarding") |
| { |
| struct hostent *hosts; |
| struct in_addr *addr; |
| |
| hosts = gethostbyname(argv[0]); |
| if (!hosts || hosts->h_length < 1 || hosts->h_addrtype != AF_INET) { |
| vty_out(vty, "Failed to resolve '%s'%s", argv[0], VTY_NEWLINE); |
| return CMD_WARNING; |
| } |
| |
| addr = (struct in_addr *) hosts->h_addr_list[0]; |
| if (g_cfg->bts_ip) |
| talloc_free(g_cfg->bts_ip); |
| g_cfg->bts_ip = talloc_strdup(g_cfg, inet_ntoa(*addr)); |
| inet_aton(g_cfg->bts_ip, &g_cfg->bts_in); |
| return CMD_SUCCESS; |
| } |
| |
| DEFUN(cfg_mgcp_bind_ip, |
| cfg_mgcp_bind_ip_cmd, |
| "bind ip A.B.C.D", |
| "Bind the MGCP to this local addr") |
| { |
| if (g_cfg->source_addr) |
| talloc_free(g_cfg->source_addr); |
| g_cfg->source_addr = talloc_strdup(g_cfg, argv[0]); |
| return CMD_SUCCESS; |
| } |
| |
| DEFUN(cfg_mgcp_bind_port, |
| cfg_mgcp_bind_port_cmd, |
| "bind port <0-65534>", |
| "Bind the MGCP to this port") |
| { |
| unsigned int port = atoi(argv[0]); |
| g_cfg->source_port = port; |
| return CMD_SUCCESS; |
| } |
| |
| DEFUN(cfg_mgcp_rtp_base_port, |
| cfg_mgcp_rtp_base_port_cmd, |
| "rtp base <0-65534>", |
| "Base port to use") |
| { |
| unsigned int port = atoi(argv[0]); |
| g_cfg->rtp_base_port = port; |
| return CMD_SUCCESS; |
| } |
| |
| DEFUN(cfg_mgcp_rtp_ip_dscp, |
| cfg_mgcp_rtp_ip_dscp_cmd, |
| "rtp ip-dscp <0-255>", |
| "Set the IP_TOS socket attribute on the RTP/RTCP sockets.\n" "The DSCP value.") |
| { |
| int dscp = atoi(argv[0]); |
| g_cfg->endp_dscp = dscp; |
| return CMD_SUCCESS; |
| } |
| |
| ALIAS_DEPRECATED(cfg_mgcp_rtp_ip_dscp, cfg_mgcp_rtp_ip_tos_cmd, |
| "rtp ip-tos <0-255>", |
| "Set the IP_TOS socket attribute on the RTP/RTCP sockets.\n" "The DSCP value.") |
| |
| |
| DEFUN(cfg_mgcp_sdp_payload_number, |
| cfg_mgcp_sdp_payload_number_cmd, |
| "sdp audio payload number <1-255>", |
| "Set the audio codec to use") |
| { |
| unsigned int payload = atoi(argv[0]); |
| g_cfg->audio_payload = payload; |
| return CMD_SUCCESS; |
| } |
| |
| DEFUN(cfg_mgcp_sdp_payload_name, |
| cfg_mgcp_sdp_payload_name_cmd, |
| "sdp audio payload name NAME", |
| "Set the audio name to use") |
| { |
| if (g_cfg->audio_name) |
| talloc_free(g_cfg->audio_name); |
| g_cfg->audio_name = talloc_strdup(g_cfg, argv[0]); |
| return CMD_SUCCESS; |
| } |
| |
| DEFUN(cfg_mgcp_loop, |
| cfg_mgcp_loop_cmd, |
| "loop (0|1)", |
| "Loop the audio") |
| { |
| g_cfg->audio_loop = atoi(argv[0]); |
| return CMD_SUCCESS; |
| } |
| |
| DEFUN(cfg_mgcp_number_endp, |
| cfg_mgcp_number_endp_cmd, |
| "number endpoints <0-65534>", |
| "The number of endpoints to allocate. This is not dynamic.") |
| { |
| /* + 1 as we start counting at one */ |
| g_cfg->number_endpoints = atoi(argv[0]) + 1; |
| return CMD_SUCCESS; |
| } |
| |
| DEFUN(loop_endp, |
| loop_endp_cmd, |
| "loop-endpoint NAME (0|1)", |
| "Loop a given endpoint\n" |
| "The name in hex of the endpoint\n" "Disable the loop\n" "Enable the loop\n") |
| { |
| struct mgcp_endpoint *endp; |
| |
| int endp_no = strtoul(argv[0], NULL, 16); |
| if (endp_no < 1 || endp_no >= g_cfg->number_endpoints) { |
| vty_out(vty, "Loopback number %s/%d is invalid.%s", |
| argv[0], endp_no, VTY_NEWLINE); |
| return CMD_WARNING; |
| } |
| |
| |
| endp = &g_cfg->endpoints[endp_no]; |
| int loop = atoi(argv[1]); |
| |
| if (loop) |
| endp->conn_mode = MGCP_CONN_LOOPBACK; |
| else |
| endp->conn_mode = endp->orig_mode; |
| |
| return CMD_SUCCESS; |
| } |
| |
| DEFUN(ournode_exit, |
| ournode_exit_cmd, "exit", "Exit current mode and down to previous node\n") |
| { |
| switch (vty->node) { |
| case MGCP_NODE: |
| vty->node = CONFIG_NODE; |
| vty->index = NULL; |
| break; |
| } |
| |
| return CMD_SUCCESS; |
| } |
| |
| DEFUN(ournode_end, |
| ournode_end_cmd, "end", "End current mode and change to enable mode.") |
| { |
| switch (vty->node) { |
| case VIEW_NODE: |
| case ENABLE_NODE: |
| break; |
| case MGCP_NODE: |
| vty_config_unlock(vty); |
| vty->node = ENABLE_NODE; |
| vty->index = NULL; |
| vty->index_sub = NULL; |
| break; |
| } |
| |
| return CMD_SUCCESS; |
| } |
| |
| int mgcp_vty_init(void) |
| { |
| install_element_ve(&show_mgcp_cmd); |
| install_element(ENABLE_NODE, &loop_endp_cmd); |
| |
| install_element(CONFIG_NODE, &cfg_mgcp_cmd); |
| install_node(&mgcp_node, config_write_mgcp); |
| |
| install_default(MGCP_NODE); |
| 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_rtp_base_port_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_sdp_payload_number_cmd); |
| install_element(MGCP_NODE, &cfg_mgcp_sdp_payload_name_cmd); |
| install_element(MGCP_NODE, &cfg_mgcp_loop_cmd); |
| install_element(MGCP_NODE, &cfg_mgcp_number_endp_cmd); |
| |
| return 0; |
| } |
| |
| void mgcp_vty_set_config(struct mgcp_config *cfg) |
| { |
| g_cfg = cfg; |
| } |