mirror of git://git.sysmocom.de/ofono
isimodem: implement SSN handling
This commit is contained in:
Andras Domokos
Denis Kenzior
parent
0f147e1cd5
commit
912b128b97
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@ -739,6 +739,362 @@ static void isi_call_terminated_ind_cb(const GIsiMessage *msg, void *data)
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isi_call_notify(ovc, call);
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}
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static gboolean decode_notify(GIsiSubBlockIter *iter)
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{
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uint8_t byte;
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if (!g_isi_sb_iter_get_byte(iter, &byte, 2))
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return FALSE;
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switch (byte) {
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case CALL_NOTIFY_USER_SUSPENDED:
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DBG("CALL_NOTIFY_USER_SUSPENDED");
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break;
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case CALL_NOTIFY_USER_RESUMED:
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DBG("CALL_NOTIFY_USER_RESUMED");
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break;
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case CALL_NOTIFY_BEARER_CHANGE:
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DBG("CALL_NOTIFY_BEARER_CHANGE");
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break;
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default:
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DBG("Unknown notification: 0x%02X", byte);
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}
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return TRUE;
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}
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static gboolean decode_ss_code(GIsiSubBlockIter *iter, int *cssi, int *cssu)
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{
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uint16_t word;
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if (!g_isi_sb_iter_get_word(iter, &word, 2))
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return FALSE;
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switch (word) {
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case CALL_SSC_ALL_FWDS:
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DBG("Call forwarding is active");
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break;
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case CALL_SSC_ALL_COND_FWD:
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*cssi = SS_MO_CONDITIONAL_FORWARDING;
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DBG("Some of conditional call forwardings active");
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break;
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case CALL_SSC_CFU:
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*cssi = SS_MO_UNCONDITIONAL_FORWARDING;
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DBG("Unconditional call forwarding is active");
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break;
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case CALL_SSC_OUTGOING_BARR_SERV:
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*cssi = SS_MO_OUTGOING_BARRING;
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DBG("Outgoing calls are barred");
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break;
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case CALL_SSC_INCOMING_BARR_SERV:
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*cssi = SS_MO_INCOMING_BARRING;
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DBG("Incoming calls are barred");
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break;
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case CALL_SSC_CALL_WAITING:
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DBG("Incoming calls are barred");
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break;
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case CALL_SSC_CLIR:
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DBG("CLIR connected unknown indication.");
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break;
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case CALL_SSC_MPTY:
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*cssu = SS_MT_MULTIPARTY_VOICECALL;
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DBG("Multiparty call entered.");
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break;
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case CALL_SSC_CALL_HOLD:
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*cssu = SS_MT_VOICECALL_HOLD_RELEASED;
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DBG("Call on hold has been released.");
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break;
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default:
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DBG("Unknown/unhandled notification: 0x%02X", word);
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break;
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}
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return TRUE;
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}
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static gboolean decode_ss_status(GIsiSubBlockIter *iter)
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{
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uint8_t byte;
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if (!g_isi_sb_iter_get_byte(iter, &byte, 2))
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return FALSE;
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if (byte & CALL_SS_STATUS_ACTIVE)
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DBG("CALL_SS_STATUS_ACTIVE");
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if (byte & CALL_SS_STATUS_REGISTERED)
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DBG("CALL_SS_STATUS_REGISTERED");
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if (byte & CALL_SS_STATUS_PROVISIONED)
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DBG("CALL_SS_STATUS_PROVISIONED");
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if (byte & CALL_SS_STATUS_QUIESCENT)
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DBG("CALL_SS_STATUS_QUIESCENT");
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return TRUE;
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}
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static gboolean decode_ss_notify(GIsiSubBlockIter *iter, int *cssi, int *cssu)
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{
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uint8_t byte;
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if (!g_isi_sb_iter_get_byte(iter, &byte, 2))
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return FALSE;
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if (byte & CALL_SSN_INCOMING_IS_FWD) {
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*cssu = SS_MT_CALL_FORWARDED;
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DBG("This is a forwarded call #1.");
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}
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if (byte & CALL_SSN_INCOMING_FWD)
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DBG("This is a forwarded call #2.");
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if (byte & CALL_SSN_OUTGOING_FWD) {
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*cssi = SS_MO_CALL_FORWARDED;
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DBG("Call has been forwarded.");
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}
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return TRUE;
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}
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static gboolean decode_ss_notify_indicator(GIsiSubBlockIter *iter, int *cssi)
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{
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uint8_t byte;
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if (!g_isi_sb_iter_get_byte(iter, &byte, 2))
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return FALSE;
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if (byte & CALL_SSI_CALL_IS_WAITING) {
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*cssi = SS_MO_CALL_WAITING;
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DBG("Call is waiting.");
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}
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if (byte & CALL_SSI_MPTY)
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DBG("Multiparty call");
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if (byte & CALL_SSI_CLIR_SUPPR_REJ) {
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*cssi = SS_MO_CLIR_SUPPRESSION_REJECTED;
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DBG("CLIR suppression rejected");
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}
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return TRUE;
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}
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static gboolean decode_ss_hold_indicator(GIsiSubBlockIter *iter, int *cssu)
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{
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uint8_t byte;
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if (!g_isi_sb_iter_get_byte(iter, &byte, 2))
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return FALSE;
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if (byte == CALL_HOLD_IND_RETRIEVED) {
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*cssu = SS_MT_VOICECALL_RETRIEVED;
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DBG("Call has been retrieved");
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} else if (byte & CALL_HOLD_IND_ON_HOLD) {
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*cssu = SS_MT_VOICECALL_ON_HOLD;
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DBG("Call has been put on hold");
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} else {
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return FALSE;
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}
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return TRUE;
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}
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static gboolean decode_ss_ect_indicator(GIsiSubBlockIter *iter, int *cssu)
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{
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uint8_t byte;
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if (!g_isi_sb_iter_get_byte(iter, &byte, 2))
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return FALSE;
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if (byte & CALL_ECT_CALL_STATE_ALERT) {
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*cssu = SS_MT_VOICECALL_IN_TRANSFER;
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DBG("Call is being connected with the remote party in "
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"alerting state");
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}
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if (byte & CALL_ECT_CALL_STATE_ACTIVE) {
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*cssu = SS_MT_VOICECALL_TRANSFERRED;
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DBG("Call has been connected with the other remote "
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"party in explicit call transfer operation.");
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}
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return TRUE;
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}
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static gboolean decode_remote_address(GIsiSubBlockIter *iter,
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struct ofono_phone_number *number,
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int *index)
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{
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uint8_t type, len;
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char *addr;
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if (!g_isi_sb_iter_get_byte(iter, &type, 2))
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return FALSE;
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if (!g_isi_sb_iter_get_byte(iter, &len, 5))
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return FALSE;
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if (len > OFONO_MAX_PHONE_NUMBER_LENGTH)
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return FALSE;
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if (!g_isi_sb_iter_get_alpha_tag(iter, &addr, 2 * len, 6))
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return FALSE;
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strncpy(number->number, addr, len);
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number->number[OFONO_MAX_PHONE_NUMBER_LENGTH] = '\0';
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number->type = type;
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g_free(addr);
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return TRUE;
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}
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static gboolean decode_cug_info(GIsiSubBlockIter *iter, int *index, int *cssu)
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{
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uint8_t pref;
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uint8_t access;
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uint16_t word;
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if (!g_isi_sb_iter_get_byte(iter, &pref, 2))
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return FALSE;
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if (!g_isi_sb_iter_get_byte(iter, &access, 3))
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return FALSE;
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if (!g_isi_sb_iter_get_word(iter, &word, 4))
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return FALSE;
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DBG("Preferential CUG: 0x%02X", pref);
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DBG("CUG output access: 0x%02X", access);
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*index = word;
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*cssu = SS_MO_CUG_CALL;
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return TRUE;
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}
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static void notification_ind_cb(const GIsiMessage *msg, void *data)
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{
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struct ofono_voicecall *ovc = data;
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GIsiSubBlockIter iter;
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struct ofono_phone_number number;
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int index = 0;
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int cssi = -1;
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int cssu = -1;
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uint8_t call_id;
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if (ovc == NULL || g_isi_msg_id(msg) != CALL_GSM_NOTIFICATION_IND ||
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!g_isi_msg_data_get_byte(msg, 0, &call_id) ||
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(call_id & 7) == 0)
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return;
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DBG("Received CallServer notification for call: 0x%02X", call_id);
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for (g_isi_sb_iter_init(&iter, msg, 2);
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g_isi_sb_iter_is_valid(&iter);
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g_isi_sb_iter_next(&iter)) {
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switch (g_isi_sb_iter_get_id(&iter)) {
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case CALL_GSM_NOTIFY:
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if (!decode_notify(&iter))
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return;
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break;
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case CALL_GSM_SS_CODE:
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if (!decode_ss_code(&iter, &cssi, &cssu))
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return;
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break;
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case CALL_GSM_SS_STATUS:
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if (!decode_ss_status(&iter))
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return;
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break;
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case CALL_GSM_SS_NOTIFY:
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if (!decode_ss_notify(&iter, &cssi, &cssu))
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return;
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break;
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case CALL_GSM_SS_NOTIFY_INDICATOR:
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if (!decode_ss_notify_indicator(&iter, &cssi))
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return;
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break;
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case CALL_GSM_SS_HOLD_INDICATOR:
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if (!decode_ss_hold_indicator(&iter, &cssu))
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return;
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break;
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case CALL_GSM_SS_ECT_INDICATOR:
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if (!decode_ss_ect_indicator(&iter, &cssu))
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return;
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break;
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case CALL_GSM_REMOTE_ADDRESS:
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if (!decode_remote_address(&iter, &number, &index))
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return;
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break;
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case CALL_GSM_REMOTE_SUBADDRESS:
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break;
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case CALL_GSM_CUG_INFO:
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if (!decode_cug_info(&iter, &index, &cssu))
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return;
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break;
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case CALL_ORIGIN_INFO:
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break;
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case CALL_GSM_ALERTING_PATTERN:
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break;
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case CALL_ALERTING_INFO:
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break;
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}
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}
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if (cssi != -1)
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ofono_voicecall_ssn_mo_notify(ovc, call_id & 7, cssi, index);
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if (cssu != -1)
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ofono_voicecall_ssn_mt_notify(ovc, call_id & 7, cssu, index,
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&number);
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}
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static void isi_call_answer_resp(const GIsiMessage *msg, void *data)
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{
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struct isi_call_req_ctx *irc = data;
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@ -1436,6 +1792,9 @@ static void call_verify_cb(const GIsiMessage *msg, void *data)
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DBG("Failed to request call status");
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ofono_voicecall_register(ovc);
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g_isi_client_ind_subscribe(ivc->client, CALL_GSM_NOTIFICATION_IND,
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notification_ind_cb, ovc);
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}
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static int probe_by_resource(struct ofono_voicecall *ovc, uint8_t resource,
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