| #pragma once |
| |
| #include <osmocom/core/osmo_io.h> |
| #include <osmocom/core/timer.h> |
| |
| #define MSGB_CB_MGCP_TRANS_ID 0 |
| |
| /* Struct that holds one endpoint name */ |
| struct reset_ep { |
| struct llist_head list; |
| char name[MGCP_ENDPOINT_MAXLEN]; |
| }; |
| |
| struct mgcp_client { |
| struct mgcp_client_conf actual; |
| struct osmo_io_fd *iofd; |
| mgcp_trans_id_t next_trans_id; |
| struct llist_head responses_pending; |
| struct mgcp_client_pool_member *pool_member; |
| struct osmo_timer_list keepalive_tx_timer; |
| struct osmo_timer_list keepalive_rx_timer; |
| bool conn_up; |
| }; |
| |
| struct mgcp_response_head { |
| int response_code; |
| mgcp_trans_id_t trans_id; |
| char comment[MGCP_COMMENT_MAXLEN]; |
| char conn_id[MGCP_CONN_ID_MAXLEN]; |
| char endpoint[MGCP_ENDPOINT_MAXLEN]; |
| bool x_osmo_osmux_use; |
| uint8_t x_osmo_osmux_cid; |
| }; |
| |
| struct mgcp_response { |
| char *body; |
| struct mgcp_response_head head; |
| uint16_t audio_port; |
| char audio_ip[INET6_ADDRSTRLEN]; |
| unsigned int ptime; |
| struct ptmap ptmap[MGCP_MAX_CODECS]; |
| unsigned int ptmap_len; |
| }; |
| |
| /* 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; |
| }; |
| |
| int mgcp_client_rx(struct mgcp_client *mgcp, struct msgb *msg); |
| |
| struct mgcp_response_pending * mgcp_client_pending_add( |
| struct mgcp_client *mgcp, |
| mgcp_trans_id_t trans_id, |
| mgcp_response_cb_t response_cb, |
| void *priv); |
| |
| #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 |
| #define MGCP_MSG_PRESENCE_X_OSMO_OSMUX_CID 0x4000 |
| #define MGCP_MSG_PRESENCE_X_OSMO_IGN 0x8000 |
| |
| 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; |
| unsigned int ptime; |
| struct ptmap ptmap[MGCP_MAX_CODECS]; |
| unsigned int ptmap_len; |
| uint32_t x_osmo_ign; |
| bool x_osmo_osmux_use; |
| int x_osmo_osmux_cid; /* -1 is wildcard */ |
| bool param_present; |
| struct mgcp_codec_param param; |
| }; |
| |
| 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); |
| |
| 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); |