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typedef struct amps amps_t;
enum amps_trans_state {
TRANS_NULL = 0,
TRANS_REGISTER_ACK, /* attach request received, waiting to ack */
TRANS_REGISTER_ACK_SEND, /* attach request received, sending ack */
TRANS_CALL_MO_ASSIGN, /* assigning channel, waiting to send */
TRANS_CALL_MO_ASSIGN_SEND, /* assigning channel, sending assignment */
TRANS_CALL_MT_ASSIGN, /* assigning channel, waiting to send */
TRANS_CALL_MT_ASSIGN_SEND, /* assigning channel, sending assignment */
TRANS_CALL_MT_ALERT, /* ringing the phone, sending alert order until signaling tone is received */
TRANS_CALL_MT_ALERT_SEND, /* ringing the phone, signaling tone is received */
TRANS_CALL_REJECT, /* rejecting channel, waiting to send */
TRANS_CALL_REJECT_SEND, /* rejecting channel, sending reject */
TRANS_CALL, /* active call */
TRANS_CALL_RELEASE, /* release call towards phone, waiting to send */
TRANS_CALL_RELEASE_SEND, /* release call towards phone, sending release */
TRANS_PAGE, /* paging phone, waiting to send */
TRANS_PAGE_SEND, /* paging phone, sending page order */
TRANS_PAGE_REPLY, /* waitring for paging reply */
};
typedef struct transaction {
struct transaction *next; /* pointer to next node in list */
amps_t *amps; /* pointer to amps instance */
int callref; /* call reference */
int page_retry; /* current number of paging (re)try */
uint32_t min1; /* current station ID (2 values) */
uint16_t min2;
uint8_t msg_type; /* message type (3 values) */
uint8_t ordq;
uint8_t order;
uint16_t chan; /* channel to assign */
char dialing[33]; /* number dialed by the phone */
enum amps_trans_state state; /* state of transaction */
struct timer timer; /* for varous timeouts */
int sat_detected; /* state if we detected SAT */
int dtx; /* if set, DTX is used with this call */
} transaction_t;
transaction_t *create_transaction(amps_t *amps, enum amps_trans_state trans_state, uint32_t min1, uint16_t min2, uint8_t msg_type, uint8_t ordq, uint8_t order, uint16_t chan);
void destroy_transaction(transaction_t *trans);
void link_transaction(transaction_t *trans, amps_t *amps);
void unlink_transaction(transaction_t *trans);
transaction_t *search_transaction(amps_t *amps, uint32_t state_mask);
transaction_t *search_transaction_number(amps_t *amps, uint32_t min1, uint16_t min2);
transaction_t *search_transaction_callref(amps_t *amps, int callref);
void trans_new_state(transaction_t *trans, int state);
void amps_flush_other_transactions(amps_t *amps, transaction_t *trans);
void transaction_timeout(struct timer *timer);
const char *trans_short_state_name(int state);
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