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#ifndef _OSMO_IPA_H_
#define _OSMO_IPA_H_
#include <stdint.h>
#include <osmocom/core/linuxlist.h>
#include <osmocom/core/timer.h>
#include <osmocom/core/select.h>
#include <osmocom/gsm/ipa.h>
struct e1inp_line;
struct e1inp_ts;
struct msgb;
struct ipa_server_link {
struct e1inp_line *line;
struct osmo_fd ofd;
const char *addr;
uint16_t port;
int (*accept_cb)(struct ipa_server_link *link, int fd);
void *data;
};
struct ipa_server_link *
ipa_server_link_create(void *ctx, struct e1inp_line *line, const char *addr,
uint16_t port,
int (*accept_cb)(struct ipa_server_link *link, int fd),
void *data);
void ipa_server_link_destroy(struct ipa_server_link *link);
int ipa_server_link_open(struct ipa_server_link *link);
void ipa_server_link_close(struct ipa_server_link *link);
struct ipa_server_conn {
struct ipa_server_link *server;
struct osmo_fd ofd;
struct llist_head tx_queue;
int (*closed_cb)(struct ipa_server_conn *peer);
int (*ccm_cb)(struct ipa_server_conn *peer, struct msgb *msg,
struct tlv_parsed *tlvp, struct ipaccess_unit *ud);
int (*cb)(struct ipa_server_conn *peer, struct msgb *msg);
void *data;
struct msgb *pending_msg;
/* remote address information */
const char *addr;
uint16_t port;
};
struct ipa_server_conn *
ipa_server_conn_create(void *ctx, struct ipa_server_link *link, int fd,
int (*cb)(struct ipa_server_conn *peer, struct msgb *msg),
int (*closed_cb)(struct ipa_server_conn *peer),
void *data);
void ipa_server_conn_destroy(struct ipa_server_conn *peer);
void ipa_server_conn_send(struct ipa_server_conn *peer, struct msgb *msg);
int ipa_server_conn_ccm(struct ipa_server_conn *conn, struct msgb *msg);
enum ipa_client_conn_state {
IPA_CLIENT_LINK_STATE_NONE = 0,
IPA_CLIENT_LINK_STATE_CONNECTING = 1,
IPA_CLIENT_LINK_STATE_CONNECTED = 2,
IPA_CLIENT_LINK_STATE_MAX
};
struct ipa_client_conn {
struct e1inp_line *line;
struct osmo_fd *ofd;
struct llist_head tx_queue;
struct osmo_timer_list timer;
enum ipa_client_conn_state state;
const char *addr;
uint16_t port;
void (*updown_cb)(struct ipa_client_conn *link, int up);
/* Callback when ofd has something to be read. -EBADF must be returned if the osmo_fd is destroyed. */
int (*read_cb)(struct ipa_client_conn *link, struct msgb *msg);
int (*write_cb)(struct ipa_client_conn *link);
void *data;
struct msgb *pending_msg;
};
struct ipa_client_conn *
ipa_client_conn_create(void *ctx, struct e1inp_ts *ts, int priv_nr,
const char *addr, uint16_t port,
void (*updown)(struct ipa_client_conn *link, int),
int (*read_cb)(struct ipa_client_conn *link, struct msgb *msgb),
int (*write_cb)(struct ipa_client_conn *link),
void *data);
void ipa_client_conn_destroy(struct ipa_client_conn *link);
int ipa_client_conn_open(struct ipa_client_conn *link);
void ipa_client_conn_close(struct ipa_client_conn *link);
void ipa_client_conn_send(struct ipa_client_conn *link, struct msgb *msg);
size_t ipa_client_conn_clear_queue(struct ipa_client_conn *link);
int ipaccess_bts_handle_ccm(struct ipa_client_conn *link,
struct ipaccess_unit *dev, struct msgb *msg);
void ipa_msg_push_header(struct msgb *msg, uint8_t proto);
#endif
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