61 lines
1.8 KiB
C
61 lines
1.8 KiB
C
#pragma once
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#include <osmocom/msc/msc_roles.h>
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struct ran_conn;
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struct ran_infra;
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struct ran_peer;
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struct gsm_mncc;
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struct mncc_call;
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#define LOG_MSC_T(MSC_T, LEVEL, FMT, ARGS ...) \
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LOG_MSC_T_CAT(MSC_T, (MSC_T) ? (MSC_T)->c.ran->log_subsys : DMSC, LEVEL, FMT, ## ARGS)
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#define LOG_MSC_T_CAT(MSC_T, SUBSYS, LEVEL, FMT, ARGS ...) \
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LOGPFSMSL((MSC_T) ? (MSC_T)->c.fi : NULL, SUBSYS, LEVEL, FMT, ## ARGS)
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#define LOG_MSC_T_CAT_SRC(MSC_T, SUBSYS, LEVEL, SRCFILE, LINE, FMT, ARGS ...) \
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LOGPFSMSLSRC((MSC_T) ? (MSC_T)->c.fi : NULL, SUBSYS, LEVEL, SRCFILE, LINE, FMT, ## ARGS)
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struct msc_t {
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/* struct msc_role_common must remain at start */
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struct msc_role_common c;
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struct ran_conn *ran_conn;
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struct {
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uint8_t chosen_channel;
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uint8_t chosen_encr_alg;
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uint8_t chosen_speech_version;
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} geran;
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struct {
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struct an_apdu ho_request;
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struct gsm0808_cell_id cell_id_target;
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uint32_t callref;
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char handover_number[16]; /* No libosmocore definition for MSISDN_MAXLEN? */
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struct call_leg *call_leg;
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struct mncc_call *mncc_forwarding_to_remote_cn;
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} inter_msc;
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struct osmo_gsm48_classmark classmark;
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bool ho_success;
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bool ho_fail_sent;
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};
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enum msc_t_state {
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MSC_T_ST_PENDING_FIRST_CO_INITIAL_MSG,
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MSC_T_ST_WAIT_LOCAL_RTP,
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MSC_T_ST_WAIT_HO_REQUEST_ACK,
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MSC_T_ST_WAIT_HO_COMPLETE,
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};
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struct msc_t *msc_t_alloc_without_ran_peer(struct msub *msub, struct ran_infra *ran);
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int msc_t_set_ran_peer(struct msc_t *msc_t, struct ran_peer *ran_peer);
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struct msc_t *msc_t_alloc(struct msub *msub, struct ran_peer *ran_peer);
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int msc_t_down_l2_co(struct msc_t *msc_t, const struct an_apdu *an_apdu, bool initial);
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void msc_t_clear(struct msc_t *msc_t);
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struct gsm_network *msc_t_net(const struct msc_t *msc_t);
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struct vlr_subscr *msc_t_vsub(const struct msc_t *msc_t);
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struct mncc_call *msc_t_check_call_to_handover_number(const struct gsm_mncc *msg);
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