| #pragma once |
| |
| #include <stdint.h> |
| |
| #include <osmocom/core/linuxlist.h> |
| |
| enum mgcp_connection_mode; |
| |
| struct msgb; |
| struct mgcpgw_client; |
| struct vty; |
| |
| #define MGCPGW_CLIENT_LOCAL_ADDR_DEFAULT "0.0.0.0" |
| #define MGCPGW_CLIENT_LOCAL_PORT_DEFAULT 0 |
| #define MGCPGW_CLIENT_REMOTE_ADDR_DEFAULT "127.0.0.1" |
| #define MGCPGW_CLIENT_REMOTE_PORT_DEFAULT 2427 |
| |
| #define MSGB_CB_MGCP_TRANS_ID 0 |
| |
| typedef unsigned int mgcp_trans_id_t; |
| |
| struct mgcpgw_client_conf { |
| const char *local_addr; |
| int local_port; |
| const char *remote_addr; |
| int remote_port; |
| }; |
| |
| struct mgcp_response_head { |
| int response_code; |
| mgcp_trans_id_t trans_id; |
| const char *comment; |
| }; |
| |
| struct mgcp_response { |
| char *body; |
| struct mgcp_response_head head; |
| uint16_t audio_port; |
| }; |
| |
| /* Invoked when an MGCP response is received or sending failed. When the |
| * response is passed as NULL, this indicates failure during transmission. */ |
| typedef void (* mgcp_response_cb_t )(struct mgcp_response *response, void *priv); |
| |
| struct mgcp_response_pending { |
| struct llist_head entry; |
| |
| mgcp_trans_id_t trans_id; |
| mgcp_response_cb_t response_cb; |
| void *priv; |
| }; |
| |
| |
| void mgcpgw_client_conf_init(struct mgcpgw_client_conf *conf); |
| |
| struct mgcpgw_client *mgcpgw_client_init(void *ctx, |
| struct mgcpgw_client_conf *conf); |
| int mgcpgw_client_connect(struct mgcpgw_client *mgcp); |
| |
| const char *mgcpgw_client_remote_addr_str(struct mgcpgw_client *mgcp); |
| uint16_t mgcpgw_client_remote_port(struct mgcpgw_client *mgcp); |
| uint32_t mgcpgw_client_remote_addr_n(struct mgcpgw_client *mgcp); |
| |
| unsigned int mgcpgw_client_next_endpoint(struct mgcpgw_client *client); |
| |
| int mgcp_response_parse_params(struct mgcp_response *r); |
| |
| int mgcpgw_client_tx(struct mgcpgw_client *mgcp, struct msgb *msg, |
| mgcp_response_cb_t response_cb, void *priv); |
| |
| struct msgb *mgcp_msg_crcx(struct mgcpgw_client *mgcp, |
| uint16_t rtp_endpoint, unsigned int call_id, |
| enum mgcp_connection_mode mode); |
| |
| struct msgb *mgcp_msg_mdcx(struct mgcpgw_client *mgcp, |
| uint16_t rtp_endpoint, const char *rtp_conn_addr, |
| uint16_t rtp_port, enum mgcp_connection_mode mode); |
| |
| void mgcpgw_client_vty_init(int node, struct mgcpgw_client_conf *conf); |
| int mgcpgw_client_config_write(struct vty *vty, const char *indent); |
| |
| struct mgcp_response_pending * mgcpgw_client_pending_add( |
| struct mgcpgw_client *mgcp, |
| mgcp_trans_id_t trans_id, |
| mgcp_response_cb_t response_cb, |
| void *priv); |
| int mgcpgw_client_rx(struct mgcpgw_client *mgcp, struct msgb *msg); |