77 lines
1.9 KiB
C
77 lines
1.9 KiB
C
#ifndef _TRANSACT_H
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#define _TRANSACT_H
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#include <openbsc/gsm_data.h>
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#include <openbsc/gsm_subscriber.h>
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#include <osmocore/linuxlist.h>
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#include <openbsc/gsm_04_11.h>
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/* One transaction */
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struct gsm_trans {
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/* Entry in list of all transactions */
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struct llist_head entry;
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/* The protocol within which we live */
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u_int8_t protocol;
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/* The current transaction ID */
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u_int8_t transaction_id;
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/* To whom we belong, unique identifier of remote MM entity */
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struct gsm_subscriber *subscr;
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/* The LCHAN that we're currently using to transmit messages */
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struct gsm_lchan *lchan;
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/* reference from MNCC or other application */
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u_int32_t callref;
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/* if traffic channel receive was requested */
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int tch_recv;
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union {
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struct {
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/* current call state */
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int state;
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/* current timer and message queue */
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int Tcurrent; /* current CC timer */
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int T308_second; /* used to send release again */
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struct timer_list timer;
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struct gsm_mncc msg; /* stores setup/disconnect/release message */
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} cc;
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struct {
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u_int8_t link_id; /* RSL Link ID to be used for this trans */
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int is_mt; /* is this a MO (0) or MT (1) transfer */
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enum gsm411_cp_state cp_state;
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struct timer_list cp_timer;
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enum gsm411_rp_state rp_state;
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struct gsm_sms *sms;
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} sms;
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};
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};
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struct gsm_trans *trans_find_by_id(struct gsm_subscriber *subscr,
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u_int8_t proto, u_int8_t trans_id);
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struct gsm_trans *trans_find_by_callref(struct gsm_network *net,
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u_int32_t callref);
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struct gsm_trans *trans_alloc(struct gsm_subscriber *subscr,
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u_int8_t protocol, u_int8_t trans_id,
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u_int32_t callref);
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void trans_free(struct gsm_trans *trans);
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int trans_assign_trans_id(struct gsm_subscriber *subscr,
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u_int8_t protocol, u_int8_t ti_flag);
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/* update all transactions to use a different LCHAN, e.g.
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* after handover has succeeded */
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int trans_lchan_change(struct gsm_lchan *lchan_old,
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struct gsm_lchan *lchan_new);
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#endif
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