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mgcp: Make the base port of the transcoder configurable

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The code assumes a static mapping from endpoint to RTP port,
be able to configure the start of such a mapping.
This commit is contained in:
Holger Hans Peter Freyther
2010-09-19 04:21:39 +08:00
parent 3b5e3c4d6f
commit b98ba72e0a
4 changed files with 20 additions and 4 deletions
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7
openbsc/include/openbsc/mgcp.h
View File

@@ -109,14 +109,17 @@ struct mgcp_config {
unsigned int number_endpoints;
char *bts_ip;
char *call_agent_addr;
char *transcoder_ip;
struct in_addr bts_in;
struct in_addr transcoder_in;
char *audio_name;
int audio_payload;
int audio_loop;
/* transcoder handling */
char *transcoder_ip;
struct in_addr transcoder_in;
int transcoder_remote_base;
struct write_queue gw_fd;
struct mgcp_port_range bts_ports;

2
openbsc/src/mgcp/mgcp_network.c
View File

@@ -174,7 +174,7 @@ static int send_transcoder(struct mgcp_endpoint *endp, int is_rtp,
return -1;
}
port = rtp_calculate_port(ENDPOINT_NUMBER(endp), 4000);
port = rtp_calculate_port(ENDPOINT_NUMBER(endp), cfg->transcoder_remote_base);
if (!is_rtp)
port += 1;

3
openbsc/src/mgcp/mgcp_protocol.c
View File

@@ -780,6 +780,7 @@ struct mgcp_config *mgcp_config_alloc(void)
cfg->source_addr = talloc_strdup(cfg, "0.0.0.0");
cfg->audio_name = talloc_strdup(cfg, "AMR/8000");
cfg->audio_payload = 126;
cfg->transcoder_remote_base = 4000;
cfg->bts_ports.base_port = RTP_PORT_DEFAULT;
cfg->net_ports.base_port = RTP_PORT_NET_DEFAULT;
@@ -934,7 +935,7 @@ static void create_transcoder(struct mgcp_endpoint *endp)
send_msg(endp, out_endp, endp->transcoder_end.local_port, "CRCX", "sendrecv");
send_msg(endp, out_endp, endp->transcoder_end.local_port, "MDCX", "sendrecv");
port = rtp_calculate_port(out_endp, 4000);
port = rtp_calculate_port(out_endp, endp->cfg->transcoder_remote_base);
endp->transcoder_end.rtp_port = htons(port);
endp->transcoder_end.rtcp_port = htons(port + 1);
}

12
openbsc/src/mgcp/mgcp_vty.c
View File

@@ -86,6 +86,7 @@ static int config_write_mgcp(struct vty *vty)
else
vty_out(vty, " rtp transcoder-range %u %u%s",
g_cfg->transcoder_ports.range_start, g_cfg->transcoder_ports.range_end, VTY_NEWLINE);
vty_out(vty, " transcoder-remote-base %u%s", g_cfg->transcoder_remote_base, VTY_NEWLINE);
return CMD_SUCCESS;
}
@@ -329,6 +330,16 @@ DEFUN(cfg_mgcp_transcoder,
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(loop_endp,
loop_endp_cmd,
"loop-endpoint NAME (0|1)",
@@ -453,6 +464,7 @@ int mgcp_vty_init(void)
install_element(MGCP_NODE, &cfg_mgcp_number_endp_cmd);
install_element(MGCP_NODE, &cfg_mgcp_agent_addr_cmd);
install_element(MGCP_NODE, &cfg_mgcp_transcoder_cmd);
install_element(MGCP_NODE, &cfg_mgcp_transcoder_remote_base_cmd);
return 0;
}