mncc: Add a timeout when issuing a MNCC command
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a0aa566ec4
commit
bc4fed27e1
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@ -1,6 +1,7 @@
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#pragma once
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#include <osmocom/core/linuxlist.h>
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#include <osmocom/core/timer.h>
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#include "mncc_protocol.h"
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@ -58,6 +59,9 @@ struct mncc_call_leg {
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struct gsm_mncc_number calling;
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char imsi[16];
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struct osmo_timer_list cmd_timeout;
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int rsp_wanted;
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struct mncc_connection *conn;
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};
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32
src/mncc.c
32
src/mncc.c
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@ -35,6 +35,36 @@
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static void close_connection(struct mncc_connection *conn);
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static void cmd_timeout(void *data)
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{
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struct mncc_call_leg *leg = data;
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LOGP(DMNCC, LOGL_ERROR, "cmd(%u) never arrived for leg(%u)\n",
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leg->rsp_wanted, leg->callref);
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call_leg_release(&leg->base);
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}
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static void start_cmd_timer(struct mncc_call_leg *leg, uint32_t expected_next)
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{
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leg->rsp_wanted = expected_next;
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leg->cmd_timeout.cb = cmd_timeout;
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leg->cmd_timeout.data = leg;
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osmo_timer_schedule(&leg->cmd_timeout, 5, 0);
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}
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static void stop_cmd_timer(struct mncc_call_leg *leg, uint32_t got_res)
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{
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if (leg->rsp_wanted != got_res) {
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LOGP(DMNCC, LOGL_ERROR, "Wanted rsp(%u) but got(%u) for leg(%u)\n",
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leg->rsp_wanted, got_res, leg->callref);
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return;
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}
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LOGP(DMNCC, LOGL_DEBUG,
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"Got response, stopping timer on leg(%u)\n", leg->callref);
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osmo_timer_del(&leg->cmd_timeout);
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}
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static struct mncc_call_leg *mncc_find_leg(uint32_t callref)
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{
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@ -146,6 +176,7 @@ static void check_rtp_create(struct mncc_connection *conn, char *buf, int rc)
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/* TODO.. now we can continue with the call */
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LOGP(DMNCC, LOGL_DEBUG,
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"RTP set-up continuing with call with leg(%u)\n", leg->callref);
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stop_cmd_timer(leg, MNCC_RTP_CREATE);
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mncc_send(leg->conn, MNCC_REJ_REQ, leg->callref);
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call_leg_release(&leg->base);
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}
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@ -201,6 +232,7 @@ static void check_setup(struct mncc_connection *conn, char *buf, int rc)
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"Created call(%u) with MNCC leg(%u) IMSI(%.16s)\n",
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call->id, leg->callref, data->imsi);
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start_cmd_timer(leg, MNCC_RTP_CREATE);
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mncc_rtp_send(conn, MNCC_RTP_CREATE, data->callref);
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}
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