| #pragma once |
| |
| #include <stdint.h> |
| #include <arpa/inet.h> |
| |
| #include <osmocom/mgcp_client/mgcp_common.h> |
| |
| #define MGCP_CLIENT_LOCAL_ADDR_DEFAULT "0.0.0.0" |
| #define MGCP_CLIENT_LOCAL_PORT_DEFAULT 0 |
| #define MGCP_CLIENT_REMOTE_ADDR_DEFAULT "127.0.0.1" |
| #define MGCP_CLIENT_REMOTE_PORT_DEFAULT 2427 |
| |
| struct msgb; |
| struct vty; |
| struct mgcp_client; |
| |
| struct mgcp_client_conf { |
| const char *local_addr; |
| int local_port; |
| const char *remote_addr; |
| int remote_port; |
| uint16_t first_endpoint; |
| uint16_t last_endpoint; |
| uint16_t bts_base; |
| }; |
| |
| typedef unsigned int mgcp_trans_id_t; |
| |
| struct mgcp_response_head { |
| int response_code; |
| mgcp_trans_id_t trans_id; |
| const char *comment; |
| char conn_id[MGCP_CONN_ID_LENGTH]; |
| char endpoint[MGCP_ENDPOINT_MAXLEN]; |
| }; |
| |
| struct mgcp_response { |
| char *body; |
| struct mgcp_response_head head; |
| uint16_t audio_port; |
| char audio_ip[INET_ADDRSTRLEN]; |
| }; |
| |
| enum mgcp_verb { |
| MGCP_VERB_CRCX, |
| MGCP_VERB_MDCX, |
| MGCP_VERB_DLCX, |
| MGCP_VERB_AUEP, |
| MGCP_VERB_RSIP, |
| }; |
| |
| #define MGCP_MSG_PRESENCE_ENDPOINT 0x0001 |
| #define MGCP_MSG_PRESENCE_CALL_ID 0x0002 |
| #define MGCP_MSG_PRESENCE_CONN_ID 0x0004 |
| #define MGCP_MSG_PRESENCE_AUDIO_IP 0x0008 |
| #define MGCP_MSG_PRESENCE_AUDIO_PORT 0x0010 |
| #define MGCP_MSG_PRESENCE_CONN_MODE 0x0020 |
| |
| struct mgcp_msg { |
| enum mgcp_verb verb; |
| /* See MGCP_MSG_PRESENCE_* constants */ |
| uint32_t presence; |
| char endpoint[MGCP_ENDPOINT_MAXLEN]; |
| unsigned int call_id; |
| char *conn_id; |
| uint16_t audio_port; |
| char *audio_ip; |
| enum mgcp_connection_mode conn_mode; |
| }; |
| |
| void mgcp_client_conf_init(struct mgcp_client_conf *conf); |
| void mgcp_client_vty_init(void *talloc_ctx, int node, struct mgcp_client_conf *conf); |
| int mgcp_client_config_write(struct vty *vty, const char *indent); |
| struct mgcp_client_conf *mgcp_client_conf_actual(struct mgcp_client *mgcp); |
| |
| struct mgcp_client *mgcp_client_init(void *ctx, |
| struct mgcp_client_conf *conf); |
| int mgcp_client_connect(struct mgcp_client *mgcp); |
| |
| const char *mgcp_client_remote_addr_str(struct mgcp_client *mgcp); |
| uint16_t mgcp_client_remote_port(struct mgcp_client *mgcp); |
| uint32_t mgcp_client_remote_addr_n(struct mgcp_client *mgcp); |
| |
| int mgcp_client_next_endpoint(struct mgcp_client *client); |
| void mgcp_client_release_endpoint(uint16_t id, struct mgcp_client *client); |
| |
| /* 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); |
| int mgcp_response_parse_params(struct mgcp_response *r); |
| |
| int mgcp_client_tx(struct mgcp_client *mgcp, struct msgb *msg, |
| mgcp_response_cb_t response_cb, void *priv); |
| int mgcp_client_cancel(struct mgcp_client *mgcp, mgcp_trans_id_t trans_id); |
| |
| enum mgcp_connection_mode; |
| |
| struct msgb *mgcp_msg_crcx(struct mgcp_client *mgcp, |
| uint16_t rtp_endpoint, unsigned int call_id, |
| enum mgcp_connection_mode mode) |
| OSMO_DEPRECATED("Use mgcp_msg_gen() instead"); |
| |
| struct msgb *mgcp_msg_mdcx(struct mgcp_client *mgcp, |
| uint16_t rtp_endpoint, const char *rtp_conn_addr, |
| uint16_t rtp_port, enum mgcp_connection_mode mode) |
| OSMO_DEPRECATED("Use mgcp_msg_gen() instead"); |
| |
| struct msgb *mgcp_msg_dlcx(struct mgcp_client *mgcp, uint16_t rtp_endpoint, |
| unsigned int call_id) |
| OSMO_DEPRECATED("Use mgcp_msg_gen() instead"); |
| |
| struct msgb *mgcp_msg_gen(struct mgcp_client *mgcp, struct mgcp_msg *mgcp_msg); |
| mgcp_trans_id_t mgcp_msg_trans_id(struct msgb *msg); |
| |
| extern const struct value_string mgcp_client_connection_mode_strs[]; |
| static inline const char *mgcp_client_cmode_name(enum mgcp_connection_mode mode) |
| { |
| return get_value_string(mgcp_client_connection_mode_strs, mode); |
| } |