/*
*
* oFono - Open Source Telephony
*
* Copyright (C) 2009-2010 Nokia Corporation and/or its subsidiary(-ies).
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#define _GNU_SOURCE
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <glib.h>
#include <gisi/client.h>
#include <gisi/message.h>
#include <gisi/iter.h>
#include <ofono/log.h>
#include <ofono/modem.h>
#include <ofono/voicecall.h>
#include "isimodem.h"
#include "isiutil.h"
#include "call.h"
#include "debug.h"
#define ISI_CALL_TIMEOUT 1000
struct isi_call {
uint8_t id;
uint8_t call_id;
uint8_t status;
uint8_t prev_status;
uint8_t mode;
uint8_t mode_info;
uint8_t cause_type;
uint8_t cause;
uint8_t addr_type;
uint8_t presentation;
uint8_t name_presentation;
uint8_t reason;
char address[20];
char name[20];
char addr_pad[4];
};
struct call_addr_info {
uint8_t call_id;
uint8_t mode;
uint8_t mode_info;
uint8_t status;
uint8_t filler[2];
uint8_t addr_type;
uint8_t presentation;
uint8_t filler2;
uint8_t addr_len;
};
struct call_info {
uint8_t call_id;
uint8_t mode;
uint8_t mode_info;
uint8_t status;
};
struct isi_voicecall {
GIsiClient *client;
GIsiClient *pn_call;
GIsiClient *pn_modem_call;
struct isi_call_req_ctx *queue;
struct isi_call calls[8];
void *control_req_irc;
};
typedef void isi_call_req_step(struct isi_call_req_ctx *ctx, int reason);
struct isi_call_req_ctx {
struct isi_call_req_ctx *next;
struct isi_call_req_ctx **prev;
isi_call_req_step *step;
struct ofono_voicecall *ovc;
ofono_voicecall_cb_t cb;
void *data;
};
static struct isi_call_req_ctx *isi_call_req(struct ofono_voicecall *ovc,
const void *__restrict req,
size_t len,
GIsiNotifyFunc handler,
ofono_voicecall_cb_t cb,
void *data)
{
struct isi_voicecall *ivc = ofono_voicecall_get_data(ovc);
struct isi_call_req_ctx *irc;
irc = g_try_new0(struct isi_call_req_ctx, 1);
if (irc == NULL) {
CALLBACK_WITH_FAILURE(cb, data);
return NULL;
}
irc->ovc = ovc;
irc->cb = cb;
irc->data = data;
if (g_isi_client_send(ivc->client, req, len, handler, irc, NULL))
return irc;
g_free(irc);
return NULL;
}
static void isi_ctx_queue(struct isi_call_req_ctx *irc, isi_call_req_step *next)
{
struct isi_voicecall *ivc;
if (irc->prev != NULL) {
irc->step = next;
return;
}
ivc = ofono_voicecall_get_data(irc->ovc);
if (ivc->queue) {
irc->next = ivc->queue;
irc->next->prev = &irc->next;
}
irc->prev = &ivc->queue;
ivc->queue = irc;
}
static void isi_ctx_remove(struct isi_call_req_ctx *irc)
{
if (irc->prev == NULL)
return;
*irc->prev = irc->next;
if (irc->next) {
irc->next->prev = irc->prev;
irc->next = NULL;
}
irc->prev = NULL;
}
static void isi_ctx_free(struct isi_call_req_ctx *irc)
{
if (irc == NULL)
return;
isi_ctx_remove(irc);
g_free(irc);
}
static gboolean isi_ctx_return(struct isi_call_req_ctx *irc,
enum ofono_error_type type, int error)
{
if (irc == NULL)
return TRUE;
if (irc->cb) {
struct ofono_error e = {
.type = type,
.error = error
};
irc->cb(&e, irc->data);
}
isi_ctx_free(irc);
return TRUE;
}
static gboolean isi_ctx_return_failure(struct isi_call_req_ctx *irc)
{
return isi_ctx_return(irc, OFONO_ERROR_TYPE_FAILURE, 0);
}
static gboolean isi_ctx_return_success(struct isi_call_req_ctx *irc)
{
if (irc == NULL || irc->step == NULL)
return isi_ctx_return(irc, OFONO_ERROR_TYPE_NO_ERROR, 0);
irc->step(irc, 0);
return TRUE;
}
/* Decoding subblocks */
static void isi_call_any_address_sb_proc(struct isi_voicecall *ivc,
struct isi_call *call,
GIsiSubBlockIter *sb)
{
uint8_t type;
uint8_t pres;
uint8_t len;
char *addr;
if (!g_isi_sb_iter_get_byte(sb, &type, 2))
return;
if (!g_isi_sb_iter_get_byte(sb, &pres, 3))
return;
if (!g_isi_sb_iter_get_byte(sb, &len, 5))
return;
if (!g_isi_sb_iter_get_alpha_tag(sb, &addr, 2 * len, 6))
return;
call->addr_type = type | 0x80;
call->presentation = pres;
strncpy(call->address, addr, sizeof(call->address));
g_free(addr);
}
static void isi_call_origin_address_sb_proc(struct isi_voicecall *ivc,
struct isi_call *call,
GIsiSubBlockIter *sb)
{
if (call->address[0] == '\0')
isi_call_any_address_sb_proc(ivc, call, sb);
}
static void isi_call_destination_address_sb_proc(struct isi_voicecall *ivc,
struct isi_call *call,
GIsiSubBlockIter *sb)
{
if (call->address[0] == '\0')
isi_call_any_address_sb_proc(ivc, call, sb);
}
static void isi_call_origin_info_sb_proc(struct isi_voicecall *ivc,
struct isi_call *call,
GIsiSubBlockIter *sb)
{
uint8_t pres;
uint8_t id;
uint8_t len;
char *name;
if (!g_isi_sb_iter_get_byte(sb, &pres, 2))
return;
if (!g_isi_sb_iter_get_byte(sb, &id, 6))
return;
if (!g_isi_sb_iter_get_byte(sb, &len, 7))
return;
if (!g_isi_sb_iter_get_alpha_tag(sb, &name, 2 * len, 8))
return;
DBG("Got name %s", name);
call->name_presentation = pres;
strncpy(call->name, name, sizeof(call->name));
g_free(name);
}
static void isi_call_mode_sb_proc(struct isi_voicecall *ivc,
struct isi_call *call,
GIsiSubBlockIter *sb)
{
uint8_t mode;
uint8_t info;
if (!g_isi_sb_iter_get_byte(sb, &mode, 2) ||
!g_isi_sb_iter_get_byte(sb, &info, 3))
return;
call->mode = mode;
call->mode_info = info;
}
static void isi_call_cause_sb_proc(struct isi_voicecall *ivc,
struct isi_call *call,
GIsiSubBlockIter *sb)
{
uint8_t type;
uint8_t cause;
if (!g_isi_sb_iter_get_byte(sb, &type, 2) ||
!g_isi_sb_iter_get_byte(sb, &cause, 3))
return;
call->cause_type = type;
call->cause = cause;
}
static void isi_call_status_sb_proc(struct isi_voicecall *ivc,
struct isi_call *call,
GIsiSubBlockIter *sb)
{
uint8_t status;
if (!g_isi_sb_iter_get_byte(sb, &status, 2))
return;
call->prev_status = call->status;
call->status = status;
}
static struct isi_call *isi_call_status_info_sb_proc(struct isi_voicecall *ivc,
GIsiSubBlockIter *sb)
{
struct isi_call *call = NULL;
int i;
struct call_info *ci;
size_t len = sizeof(struct call_info);
if (!g_isi_sb_iter_get_struct(sb, (void *) &ci, len, 2))
return NULL;
i = ci->call_id & 7;
if (1 <= i && i <= 7) {
call = &ivc->calls[i];
call->call_id = ci->call_id;
call->status = ci->status;
call->mode = ci->mode;
call->mode_info = ci->mode_info;
}
return call;
}
static struct isi_call *isi_call_addr_and_status_info_sb_proc(
struct isi_voicecall *ivc,
GIsiSubBlockIter *sb)
{
struct isi_call *call = NULL;
int i;
struct call_addr_info *ci;
size_t len = sizeof(struct call_addr_info);
char *addr;
if (!g_isi_sb_iter_get_struct(sb, (void *) &ci, len, 2))
return NULL;
if (!g_isi_sb_iter_get_alpha_tag(sb, &addr, 2 * ci->addr_len, 12))
return NULL;
i = ci->call_id & 7;
if (1 <= i && i <= 7) {
call = &ivc->calls[i];
call->call_id = ci->call_id;
call->status = ci->status;
call->mode = ci->mode;
call->mode_info = ci->mode_info;
call->addr_type = ci->addr_type | 0x80;
call->presentation = ci->presentation;
strncpy(call->address, addr, sizeof call->address);
}
g_free(addr);
return call;
}
static int isi_call_status_to_clcc(const struct isi_call *call)
{
switch (call->status) {
case CALL_STATUS_CREATE:
return 2;
case CALL_STATUS_COMING:
return 4;
case CALL_STATUS_PROCEEDING:
if ((call->mode_info & CALL_MODE_ORIGINATOR))
return 4; /* MT */
else
return 2; /* MO */
case CALL_STATUS_MO_ALERTING:
return 3;
case CALL_STATUS_MT_ALERTING:
return 4;
case CALL_STATUS_WAITING:
return 5;
case CALL_STATUS_MO_RELEASE:
return 6;
case CALL_STATUS_MT_RELEASE:
if ((call->prev_status == CALL_STATUS_MT_ALERTING) ||
(call->prev_status == CALL_STATUS_COMING) ||
(call->prev_status == CALL_STATUS_WAITING))
return 4;
else
return 6;
case CALL_STATUS_ACTIVE:
case CALL_STATUS_HOLD_INITIATED:
return 0;
case CALL_STATUS_HOLD:
case CALL_STATUS_RETRIEVE_INITIATED:
return 1;
case CALL_STATUS_RECONNECT_PENDING:
case CALL_STATUS_SWAP_INITIATED:
default:
return 0;
}
}
static struct ofono_call isi_call_as_ofono_call(const struct isi_call *call)
{
struct ofono_call ocall;
struct ofono_phone_number *number = &ocall.phone_number;
ofono_call_init(&ocall);
ocall.id = call->id;
ocall.type = 0; /* Voice call */
ocall.direction = call->mode_info & CALL_MODE_ORIGINATOR;
ocall.status = isi_call_status_to_clcc(call);
memcpy(number->number, call->address, sizeof(number->number));
memcpy(ocall.name, call->name, sizeof(ocall.name));
number->type = 0x80 | call->addr_type;
ocall.clip_validity = call->presentation & 3;
ocall.cnap_validity = call->name_presentation & 3;
if (ocall.clip_validity == 0 && strlen(number->number) == 0)
ocall.clip_validity = 2;
if (ocall.cnap_validity == 0 && strlen(call->name) == 0)
ocall.cnap_validity = 2;
return ocall;
}
static gboolean check_response_status(const GIsiMessage *msg, uint8_t msgid)
{
if (g_isi_msg_error(msg) < 0) {
DBG("Error: %s", strerror(-g_isi_msg_error(msg)));
return FALSE;
}
if (g_isi_msg_id(msg) != msgid) {
DBG("Unexpected msg: %s",
net_message_id_name(g_isi_msg_id(msg)));
return FALSE;
}
return TRUE;
}
static struct isi_call *isi_call_set_idle(struct isi_call *call)
{
uint8_t id;
if (call == NULL)
return NULL;
id = call->id;
memset(call, 0, sizeof(struct isi_call));
call->id = id;
return call;
}
static void isi_call_disconnected(struct ofono_voicecall *ovc,
struct isi_call *call)
{
struct ofono_error error = {
OFONO_ERROR_TYPE_NO_ERROR, 0
};
DBG("disconnected id=%u reason=%u", call->id, call->reason);
ofono_voicecall_disconnected(ovc, call->id, call->reason, &error);
isi_call_set_idle(call);
}
static void isi_call_set_disconnect_reason(struct isi_call *call)
{
enum ofono_disconnect_reason reason;
if (call->reason != OFONO_DISCONNECT_REASON_UNKNOWN)
return;
switch (call->status) {
case CALL_STATUS_IDLE:
reason = OFONO_DISCONNECT_REASON_UNKNOWN;
break;
case CALL_STATUS_MO_RELEASE:
reason = OFONO_DISCONNECT_REASON_LOCAL_HANGUP;
break;
case CALL_STATUS_MT_RELEASE:
reason = OFONO_DISCONNECT_REASON_REMOTE_HANGUP;
break;
case CALL_STATUS_TERMINATED:
default:
reason = OFONO_DISCONNECT_REASON_ERROR;
}
call->reason = reason;
}
static void isi_call_notify(struct ofono_voicecall *ovc, struct isi_call *call)
{
struct isi_voicecall *ivc = ofono_voicecall_get_data(ovc);
struct isi_call_req_ctx *irc, **queue;
struct ofono_call ocall;
DBG("called with status=%s (0x%02X)",
call_status_name(call->status), call->status);
for (queue = &ivc->queue; (irc = *queue);) {
irc->step(irc, call->status);
if (*queue == irc)
queue = &irc->next;
}
switch (call->status) {
case CALL_STATUS_IDLE:
isi_call_disconnected(ovc, call);
return;
case CALL_STATUS_COMING:
case CALL_STATUS_PROCEEDING:
if ((call->mode_info & CALL_MODE_ORIGINATOR))
/* Do not notify early MT calls */
return;
break;
case CALL_STATUS_MO_RELEASE:
case CALL_STATUS_MT_RELEASE:
/*
* Core requires the call status to be either incoming
* or waiting to identify the disconnected call as missed.
* The MT RELEASE is not mapped to any state in +CLCC, but
* we need the disconnect reason.
*/
isi_call_set_disconnect_reason(call);
break;
case CALL_STATUS_TERMINATED:
DBG("State( CALL_STATUS_TERMINATED ) need not be reported to Core");
/*
* The call terminated is not reported to core as
* these intermediate states are not processed in
* the core. We report the call status when it becomes
* idle and TERMINATED is not mapped to +CLCC. The disconnect
* reason is set, so that the call termination cause
* in case of error is available to the core.
*/
isi_call_set_disconnect_reason(call);
return;
case CALL_STATUS_ANSWERED:
DBG("State need not be reported to Core");
return;
}
ocall = isi_call_as_ofono_call(call);
DBG("id=%u,%s,%u,\"%s\",\"%s\",%u,%u",
ocall.id,
ocall.direction ? "terminated" : "originated",
ocall.status,
ocall.phone_number.number,
ocall.name,
ocall.phone_number.type,
ocall.clip_validity);
ofono_voicecall_notify(ovc, &ocall);
}
static void isi_call_create_resp(const GIsiMessage *msg, void *data)
{
struct isi_call_req_ctx *irc = data;
uint8_t call_id;
uint8_t subblocks;
if (!check_response_status(msg, CALL_CREATE_RESP))
goto failure;
if (!g_isi_msg_data_get_byte(msg, 0, &call_id) ||
call_id == CALL_ID_NONE)
goto failure;
if (!g_isi_msg_data_get_byte(msg, 1, &subblocks))
goto failure;
if (subblocks != 0) {
GIsiSubBlockIter iter;
struct isi_call call = { 0 };
for (g_isi_sb_iter_init(&iter, msg, 2);
g_isi_sb_iter_is_valid(&iter);
g_isi_sb_iter_next(&iter)) {
switch (g_isi_sb_iter_get_id(&iter)) {
case CALL_CAUSE:
isi_call_cause_sb_proc(NULL, &call, &iter);
DBG("CALL_CREATE_RESP "
"cause_type=0x%02x cause=0x%02x",
call.cause_type, call.cause);
goto failure;
}
}
}
isi_ctx_return_success(irc);
return;
failure:
isi_ctx_return_failure(irc);
}
static struct isi_call_req_ctx *isi_modem_call_create_req(
struct ofono_voicecall *ovc,
uint8_t presentation,
uint8_t addr_type,
char const address[21],
ofono_voicecall_cb_t cb,
void *data)
{
size_t addr_len = strlen(address);
size_t sub_len = ALIGN4(6 + 2 * addr_len);
size_t offset = 3 + 4 + 4 + 6;
uint8_t req[3 + 4 + 4 + 6 + 40] = {
CALL_CREATE_REQ,
0, /* No id */
3, /* Mode, Clir, Number */
CALL_MODE, 4, CALL_MODE_SPEECH, 0,
CALL_LINE_ID, 4, presentation, 0,
CALL_DESTINATION_ADDRESS, sub_len, addr_type & 0x7F, 0, 0,
addr_len,
/* uint16_t addr[20] */
};
size_t rlen = 3 + 4 + 4 + sub_len;
size_t i;
if (addr_len > 20) {
CALLBACK_WITH_FAILURE(cb, data);
return NULL;
}
for (i = 0; i < addr_len; i++)
req[offset + 2 * i + 1] = address[i];
return isi_call_req(ovc, req, rlen, isi_call_create_resp, cb, data);
}
static struct isi_call_req_ctx *isi_call_create_req(struct ofono_voicecall *ovc,
uint8_t presentation,
uint8_t addr_type,
char const address[21],
ofono_voicecall_cb_t cb,
void *data)
{
size_t addr_len = strlen(address);
size_t sub_len = ALIGN4(6 + 2 * addr_len);
size_t offset = 3 + 4 + 8 + 6;
uint8_t req[3 + 4 + 8 + 6 + 40] = {
CALL_CREATE_REQ,
0, /* No id */
3, /* Mode, Clir, Number */
CALL_MODE, 4, CALL_MODE_SPEECH, CALL_MODE_INFO_NONE,
CALL_ORIGIN_INFO, 8, presentation, 0, 0, 0, 0, 0,
CALL_DESTINATION_ADDRESS, sub_len, addr_type & 0x7F, 0, 0,
addr_len,
/* uint16_t addr[20] */
};
size_t rlen = 3 + 4 + 8 + sub_len;
size_t i;
if (addr_len > 20) {
CALLBACK_WITH_FAILURE(cb, data);
return NULL;
}
for (i = 0; i < addr_len; i++)
req[offset + 2 * i + 1] = address[i];
return isi_call_req(ovc, req, rlen, isi_call_create_resp, cb, data);
}
static void isi_call_status_ind_cb(const GIsiMessage *msg, void *data)
{
struct ofono_voicecall *ovc = data;
struct isi_voicecall *ivc = ofono_voicecall_get_data(ovc);
struct isi_call *call;
GIsiSubBlockIter iter;
uint8_t call_id;
uint8_t old_status;
if (ivc == NULL || g_isi_msg_id(msg) != CALL_STATUS_IND ||
!g_isi_msg_data_get_byte(msg, 0, &call_id) ||
(call_id & 7) == 0)
return;
call = &ivc->calls[call_id & 7];
old_status = call->status;
call->call_id = call_id;
for (g_isi_sb_iter_init(&iter, msg, 2);
g_isi_sb_iter_is_valid(&iter);
g_isi_sb_iter_next(&iter)) {
switch (g_isi_sb_iter_get_id(&iter)) {
case CALL_STATUS:
isi_call_status_sb_proc(ivc, call, &iter);
break;
case CALL_MODE:
isi_call_mode_sb_proc(ivc, call, &iter);
break;
case CALL_CAUSE:
isi_call_cause_sb_proc(ivc, call, &iter);
break;
case CALL_DESTINATION_ADDRESS:
isi_call_destination_address_sb_proc(ivc, call, &iter);
break;
case CALL_ORIGIN_ADDRESS:
isi_call_origin_address_sb_proc(ivc, call, &iter);
break;
case CALL_ORIGIN_INFO:
isi_call_origin_info_sb_proc(ivc, call, &iter);
break;
case CALL_GSM_DETAILED_CAUSE:
case CALL_DESTINATION_PRE_ADDRESS:
case CALL_DESTINATION_POST_ADDRESS:
case CALL_DESTINATION_SUBADDRESS:
case CALL_GSM_EVENT_INFO:
case CALL_NW_CAUSE:
break;
}
}
if (old_status == call->status)
return;
isi_call_notify(ovc, call);
}
static void isi_call_terminated_ind_cb(const GIsiMessage *msg, void *data)
{
struct ofono_voicecall *ovc = data;
struct isi_voicecall *ivc = ofono_voicecall_get_data(ovc);
struct isi_call *call;
uint8_t call_id;
uint8_t old_status;
if (ivc == NULL || g_isi_msg_id(msg) != CALL_TERMINATED_IND ||
!g_isi_msg_data_get_byte(msg, 0, &call_id) ||
(call_id & 7) == 0)
return;
call = &ivc->calls[call_id & 7];
old_status = call->status;
if (old_status == CALL_STATUS_IDLE)
return;
call->status = CALL_STATUS_TERMINATED;
isi_call_notify(ovc, call);
}
static gboolean decode_notify(GIsiSubBlockIter *iter)
{
uint8_t byte;
if (!g_isi_sb_iter_get_byte(iter, &byte, 2))
return FALSE;
switch (byte) {
case CALL_NOTIFY_USER_SUSPENDED:
DBG("CALL_NOTIFY_USER_SUSPENDED");
break;
case CALL_NOTIFY_USER_RESUMED:
DBG("CALL_NOTIFY_USER_RESUMED");
break;
case CALL_NOTIFY_BEARER_CHANGE:
DBG("CALL_NOTIFY_BEARER_CHANGE");
break;
default:
DBG("Unknown notification: 0x%02X", byte);
}
return TRUE;
}
static gboolean decode_ss_code(GIsiSubBlockIter *iter, int *cssi, int *cssu)
{
uint16_t word;
if (!g_isi_sb_iter_get_word(iter, &word, 2))
return FALSE;
switch (word) {
case CALL_SSC_ALL_FWDS:
DBG("Call forwarding is active");
break;
case CALL_SSC_ALL_COND_FWD:
*cssi = SS_MO_CONDITIONAL_FORWARDING;
DBG("Some of conditional call forwardings active");
break;
case CALL_SSC_CFU:
*cssi = SS_MO_UNCONDITIONAL_FORWARDING;
DBG("Unconditional call forwarding is active");
break;
case CALL_SSC_OUTGOING_BARR_SERV:
*cssi = SS_MO_OUTGOING_BARRING;
DBG("Outgoing calls are barred");
break;
case CALL_SSC_INCOMING_BARR_SERV:
*cssi = SS_MO_INCOMING_BARRING;
DBG("Incoming calls are barred");
break;
case CALL_SSC_CALL_WAITING:
DBG("Incoming calls are barred");
break;
case CALL_SSC_CLIR:
DBG("CLIR connected unknown indication.");
break;
case CALL_SSC_MPTY:
*cssu = SS_MT_MULTIPARTY_VOICECALL;
DBG("Multiparty call entered.");
break;
case CALL_SSC_CALL_HOLD:
*cssu = SS_MT_VOICECALL_HOLD_RELEASED;
DBG("Call on hold has been released.");
break;
default:
DBG("Unknown/unhandled notification: 0x%02X", word);
break;
}
return TRUE;
}
static gboolean decode_ss_status(GIsiSubBlockIter *iter)
{
uint8_t byte;
if (!g_isi_sb_iter_get_byte(iter, &byte, 2))
return FALSE;
if (byte & CALL_SS_STATUS_ACTIVE)
DBG("CALL_SS_STATUS_ACTIVE");
if (byte & CALL_SS_STATUS_REGISTERED)
DBG("CALL_SS_STATUS_REGISTERED");
if (byte & CALL_SS_STATUS_PROVISIONED)
DBG("CALL_SS_STATUS_PROVISIONED");
if (byte & CALL_SS_STATUS_QUIESCENT)
DBG("CALL_SS_STATUS_QUIESCENT");
return TRUE;
}
static gboolean decode_ss_notify(GIsiSubBlockIter *iter, int *cssi, int *cssu)
{
uint8_t byte;
if (!g_isi_sb_iter_get_byte(iter, &byte, 2))
return FALSE;
if (byte & CALL_SSN_INCOMING_IS_FWD) {
*cssu = SS_MT_CALL_FORWARDED;
DBG("This is a forwarded call #1.");
}
if (byte & CALL_SSN_INCOMING_FWD)
DBG("This is a forwarded call #2.");
if (byte & CALL_SSN_OUTGOING_FWD) {
*cssi = SS_MO_CALL_FORWARDED;
DBG("Call has been forwarded.");
}
return TRUE;
}
static gboolean decode_ss_notify_indicator(GIsiSubBlockIter *iter, int *cssi)
{
uint8_t byte;
if (!g_isi_sb_iter_get_byte(iter, &byte, 2))
return FALSE;
if (byte & CALL_SSI_CALL_IS_WAITING) {
*cssi = SS_MO_CALL_WAITING;
DBG("Call is waiting.");
}
if (byte & CALL_SSI_MPTY)
DBG("Multiparty call");
if (byte & CALL_SSI_CLIR_SUPPR_REJ) {
*cssi = SS_MO_CLIR_SUPPRESSION_REJECTED;
DBG("CLIR suppression rejected");
}
return TRUE;
}
static gboolean decode_ss_hold_indicator(GIsiSubBlockIter *iter, int *cssu)
{
uint8_t byte;
if (!g_isi_sb_iter_get_byte(iter, &byte, 2))
return FALSE;
if (byte == CALL_HOLD_IND_RETRIEVED) {
*cssu = SS_MT_VOICECALL_RETRIEVED;
DBG("Call has been retrieved");
} else if (byte & CALL_HOLD_IND_ON_HOLD) {
*cssu = SS_MT_VOICECALL_ON_HOLD;
DBG("Call has been put on hold");
} else {
return FALSE;
}
return TRUE;
}
static gboolean decode_ss_ect_indicator(GIsiSubBlockIter *iter, int *cssu)
{
uint8_t byte;
if (!g_isi_sb_iter_get_byte(iter, &byte, 2))
return FALSE;
if (byte & CALL_ECT_CALL_STATE_ALERT) {
*cssu = SS_MT_VOICECALL_IN_TRANSFER;
DBG("Call is being connected with the remote party in "
"alerting state");
}
if (byte & CALL_ECT_CALL_STATE_ACTIVE) {
*cssu = SS_MT_VOICECALL_TRANSFERRED;
DBG("Call has been connected with the other remote "
"party in explicit call transfer operation.");
}
return TRUE;
}
static gboolean decode_remote_address(GIsiSubBlockIter *iter,
struct ofono_phone_number *number,
int *index)
{
uint8_t type, len;
char *addr;
if (!g_isi_sb_iter_get_byte(iter, &type, 2))
return FALSE;
if (!g_isi_sb_iter_get_byte(iter, &len, 5))
return FALSE;
if (len > OFONO_MAX_PHONE_NUMBER_LENGTH)
return FALSE;
if (!g_isi_sb_iter_get_alpha_tag(iter, &addr, 2 * len, 6))
return FALSE;
strncpy(number->number, addr, len);
number->number[OFONO_MAX_PHONE_NUMBER_LENGTH] = '\0';
number->type = type;
g_free(addr);
return TRUE;
}
static gboolean decode_cug_info(GIsiSubBlockIter *iter, int *index, int *cssu)
{
uint8_t pref;
uint8_t access;
uint16_t word;
if (!g_isi_sb_iter_get_byte(iter, &pref, 2))
return FALSE;
if (!g_isi_sb_iter_get_byte(iter, &access, 3))
return FALSE;
if (!g_isi_sb_iter_get_word(iter, &word, 4))
return FALSE;
DBG("Preferential CUG: 0x%02X", pref);
DBG("CUG output access: 0x%02X", access);
*index = word;
*cssu = SS_MO_CUG_CALL;
return TRUE;
}
static void notification_ind_cb(const GIsiMessage *msg, void *data)
{
struct ofono_voicecall *ovc = data;
GIsiSubBlockIter iter;
struct ofono_phone_number number;
int index = 0;
int cssi = -1;
int cssu = -1;
uint8_t call_id;
if (ovc == NULL || g_isi_msg_id(msg) != CALL_GSM_NOTIFICATION_IND ||
!g_isi_msg_data_get_byte(msg, 0, &call_id) ||
(call_id & 7) == 0)
return;
DBG("Received CallServer notification for call: 0x%02X", call_id);
for (g_isi_sb_iter_init(&iter, msg, 2);
g_isi_sb_iter_is_valid(&iter);
g_isi_sb_iter_next(&iter)) {
switch (g_isi_sb_iter_get_id(&iter)) {
case CALL_GSM_NOTIFY:
if (!decode_notify(&iter))
return;
break;
case CALL_GSM_SS_CODE:
if (!decode_ss_code(&iter, &cssi, &cssu))
return;
break;
case CALL_GSM_SS_STATUS:
if (!decode_ss_status(&iter))
return;
break;
case CALL_GSM_SS_NOTIFY:
if (!decode_ss_notify(&iter, &cssi, &cssu))
return;
break;
case CALL_GSM_SS_NOTIFY_INDICATOR:
if (!decode_ss_notify_indicator(&iter, &cssi))
return;
break;
case CALL_GSM_SS_HOLD_INDICATOR:
if (!decode_ss_hold_indicator(&iter, &cssu))
return;
break;
case CALL_GSM_SS_ECT_INDICATOR:
if (!decode_ss_ect_indicator(&iter, &cssu))
return;
break;
case CALL_GSM_REMOTE_ADDRESS:
if (!decode_remote_address(&iter, &number, &index))
return;
break;
case CALL_GSM_REMOTE_SUBADDRESS:
break;
case CALL_GSM_CUG_INFO:
if (!decode_cug_info(&iter, &index, &cssu))
return;
break;
case CALL_ORIGIN_INFO:
break;
case CALL_GSM_ALERTING_PATTERN:
break;
case CALL_ALERTING_INFO:
break;
}
}
if (cssi != -1)
ofono_voicecall_ssn_mo_notify(ovc, call_id & 7, cssi, index);
if (cssu != -1)
ofono_voicecall_ssn_mt_notify(ovc, call_id & 7, cssu, index,
&number);
}
static void isi_call_answer_resp(const GIsiMessage *msg, void *data)
{
struct isi_call_req_ctx *irc = data;
uint8_t call_id;
if (!check_response_status(msg, CALL_ANSWER_RESP) ||
!g_isi_msg_data_get_byte(msg, 0, &call_id) ||
call_id == CALL_ID_NONE) {
isi_ctx_return_failure(irc);
return;
}
isi_ctx_return_success(irc);
}
static struct isi_call_req_ctx *isi_call_answer_req(struct ofono_voicecall *ovc,
uint8_t call_id,
ofono_voicecall_cb_t cb,
void *data)
{
const uint8_t req[] = {
CALL_ANSWER_REQ,
call_id,
0
};
return isi_call_req(ovc, req, sizeof(req), isi_call_answer_resp,
cb, data);
}
static void isi_call_release_resp(const GIsiMessage *msg, void *data)
{
struct isi_call_req_ctx *irc = data;
GIsiSubBlockIter iter;
uint8_t cause_type;
uint8_t cause;
if (!check_response_status(msg, CALL_RELEASE_RESP))
goto error;
for (g_isi_sb_iter_init(&iter, msg, 2);
g_isi_sb_iter_is_valid(&iter);
g_isi_sb_iter_next(&iter)) {
if (g_isi_sb_iter_get_id(&iter) != CALL_CAUSE)
continue;
if (!g_isi_sb_iter_get_byte(&iter, &cause_type, 2) ||
!g_isi_sb_iter_get_byte(&iter, &cause, 3))
goto error;
}
if ((cause_type == CALL_CAUSE_TYPE_SERVER ||
cause_type == CALL_CAUSE_TYPE_CLIENT) &&
(cause == CALL_CAUSE_RELEASE_BY_USER ||
cause == CALL_CAUSE_BUSY_USER_REQUEST)) {
isi_ctx_return_success(irc);
return;
}
error:
isi_ctx_return_failure(irc);
}
static struct isi_call_req_ctx *isi_call_release_req(
struct ofono_voicecall *ovc,
uint8_t call_id,
enum call_cause_type cause_type,
uint8_t cause,
ofono_voicecall_cb_t cb,
void *data)
{
const uint8_t req[] = {
CALL_RELEASE_REQ,
call_id,
1, /* Sub-block count */
CALL_CAUSE,
4, /* Sub-block length */
cause_type,
cause,
};
return isi_call_req(ovc, req, sizeof(req), isi_call_release_resp,
cb, data);
}
static void isi_call_status_resp(const GIsiMessage *msg, void *data)
{
struct isi_call_req_ctx *irc = data;
struct ofono_voicecall *ovc = irc->ovc;
struct isi_voicecall *ivc = ofono_voicecall_get_data(ovc);
GIsiSubBlockIter iter;
struct isi_call *call = NULL;
if (!check_response_status(msg, CALL_STATUS_RESP)) {
isi_ctx_return_failure(irc);
return;
}
for (g_isi_sb_iter_init(&iter, msg, 2);
g_isi_sb_iter_is_valid(&iter);
g_isi_sb_iter_next(&iter)) {
switch (g_isi_sb_iter_get_id(&iter)) {
case CALL_STATUS_INFO:
call = isi_call_status_info_sb_proc(ivc, &iter);
break;
case CALL_ADDR_AND_STATUS_INFO:
call = isi_call_addr_and_status_info_sb_proc(ivc,
&iter);
if (call)
isi_call_notify(ovc, call);
break;
case CALL_CAUSE:
if (call)
isi_call_cause_sb_proc(ivc, call, &iter);
break;
}
}
isi_ctx_return_success(irc);
}
static struct isi_call_req_ctx *isi_call_status_req(struct ofono_voicecall *ovc,
uint8_t call_id,
uint8_t mode,
ofono_voicecall_cb_t cb,
void *data)
{
const uint8_t req[] = {
CALL_STATUS_REQ,
call_id,
1, /* Sub-block count */
CALL_STATUS_MODE,
4, /* Sub-block length */
mode, 0,
};
return isi_call_req(ovc, req, sizeof(req), isi_call_status_resp,
cb, data);
}
static void isi_call_control_resp(const GIsiMessage *msg, void *data)
{
struct isi_call_req_ctx *irc = data;
GIsiSubBlockIter iter;
uint8_t cause = CALL_CAUSE_NO_CAUSE;
uint8_t cause_type = 0;
if (!check_response_status(msg, CALL_CONTROL_RESP))
goto error;
for (g_isi_sb_iter_init(&iter, msg, 2);
g_isi_sb_iter_is_valid(&iter);
g_isi_sb_iter_next(&iter)) {
if (g_isi_sb_iter_get_id(&iter) != CALL_CAUSE)
continue;
if (!g_isi_sb_iter_get_byte(&iter, &cause_type, 2) ||
!g_isi_sb_iter_get_byte(&iter, &cause, 3))
goto error;
}
if (cause == CALL_CAUSE_NO_CAUSE) {
isi_ctx_return_success(irc);
return;
}
error:
isi_ctx_return_failure(irc);
}
static struct isi_call_req_ctx *isi_call_control_req(
struct ofono_voicecall *ovc,
uint8_t call_id,
enum call_operation op,
uint8_t info,
ofono_voicecall_cb_t cb,
void *data)
{
const uint8_t req[] = {
CALL_CONTROL_REQ,
call_id,
1, /* Sub-block count */
CALL_OPERATION,
4, /* Sub-block length */
op, info,
};
return isi_call_req(ovc, req, sizeof(req), isi_call_control_resp,
cb, data);
}
static struct isi_call_req_ctx *isi_call_deflect_req(
struct ofono_voicecall *ovc,
uint8_t call_id,
uint8_t address_type,
const char address[21],
ofono_voicecall_cb_t cb,
void *data)
{
size_t addr_len = strlen(address);
size_t sub_len = (6 + 2 * addr_len + 3) & ~3;
size_t i, offset = 3 + 4 + 6;
size_t rlen = 3 + 4 + sub_len;
uint8_t req[3 + 4 + 6 + 40] = {
CALL_CONTROL_REQ,
call_id,
2, /* Sub-block count */
CALL_OPERATION,
4, /* Sub-block length */
CALL_GSM_OP_DEFLECT, 0,
CALL_GSM_DEFLECTION_ADDRESS,
sub_len, /* Sub-block length */
address_type & 0x7F,
0x7, /* Default presentation */
0, /* Filler */
addr_len,
};
if (addr_len > 20) {
CALLBACK_WITH_FAILURE(cb, data);
return NULL;
}
for (i = 0; i < addr_len; i++)
req[offset + 2 * i + 1] = address[i];
return isi_call_req(ovc, req, rlen, isi_call_control_resp, cb, data);
}
static void isi_call_control_ind_cb(const GIsiMessage *msg, void *data)
{
struct ofono_voicecall *ovc = data;
struct isi_voicecall *ivc = ofono_voicecall_get_data(ovc);
GIsiSubBlockIter iter;
uint8_t cause_type = 0, cause = 0;
if (ivc == NULL || g_isi_msg_id(msg) != CALL_CONTROL_IND)
return;
for (g_isi_sb_iter_init(&iter, msg, 2);
g_isi_sb_iter_is_valid(&iter);
g_isi_sb_iter_next(&iter)) {
if (g_isi_sb_iter_get_id(&iter) != CALL_CAUSE)
continue;
if (!g_isi_sb_iter_get_byte(&iter, &cause_type, 2) ||
!g_isi_sb_iter_get_byte(&iter, &cause, 3))
return;
}
if (ivc->control_req_irc) {
if (!cause)
isi_ctx_return_success(ivc->control_req_irc);
else
isi_ctx_return_failure(ivc->control_req_irc);
ivc->control_req_irc = NULL;
}
}
static void isi_call_dtmf_send_resp(const GIsiMessage *msg, void *data)
{
struct isi_call_req_ctx *irc = data;
GIsiSubBlockIter iter;
uint8_t cause_type;
uint8_t cause = CALL_CAUSE_NO_CAUSE;
if (!check_response_status(msg, CALL_DTMF_SEND_RESP))
goto error;
for (g_isi_sb_iter_init(&iter, msg, 2);
g_isi_sb_iter_is_valid(&iter);
g_isi_sb_iter_next(&iter)) {
if (g_isi_sb_iter_get_id(&iter) != CALL_CAUSE)
continue;
if (!g_isi_sb_iter_get_byte(&iter, &cause_type, 2) ||
!g_isi_sb_iter_get_byte(&iter, &cause, 3))
goto error;
}
if (cause == CALL_CAUSE_NO_CAUSE) {
isi_ctx_return_success(irc);
return;
}
error:
isi_ctx_return_failure(irc);
}
static struct isi_call_req_ctx *isi_call_dtmf_send_req(
struct ofono_voicecall *ovc,
uint8_t call_id,
const char *string,
ofono_voicecall_cb_t cb,
void *data)
{
size_t str_len = strlen(string);
size_t sub_len = 4 + ((2 * str_len + 3) & ~3);
size_t i, offset = 3 + 4 + 8 + 4;
size_t rlen = 3 + 4 + 8 + sub_len;
uint8_t req[3 + 4 + 8 + (255 & ~3)] = {
CALL_DTMF_SEND_REQ, call_id, 3,
CALL_DTMF_INFO, 4, CALL_DTMF_ENABLE_TONE_IND_SEND, 0,
CALL_DTMF_TIMERS, 8,
0, 200, /* duration in ms */
0, 100, /* gap in ms */
0, 0, /* filler */
CALL_DTMF_STRING, sub_len,
100, /* pause length */
str_len,
/* string */
};
if (sub_len >= 256) {
CALLBACK_WITH_FAILURE(cb, data);
return FALSE;
}
for (i = 0; i < str_len; i++)
req[offset + 2 * i + 1] = string[i];
return isi_call_req(ovc, req, rlen, isi_call_dtmf_send_resp, cb, data);
}
static void isi_dial(struct ofono_voicecall *ovc,
const struct ofono_phone_number *number,
enum ofono_clir_option clir, ofono_voicecall_cb_t cb,
void *data)
{
struct isi_voicecall *ivc = ofono_voicecall_get_data(ovc);
gboolean have_pn_call = g_isi_client_resource(ivc->client) == PN_CALL;
unsigned char presentation;
switch (clir) {
case OFONO_CLIR_OPTION_INVOCATION:
presentation = CALL_PRESENTATION_RESTRICTED;
break;
case OFONO_CLIR_OPTION_SUPPRESSION:
presentation = CALL_PRESENTATION_ALLOWED;
break;
case OFONO_CLIR_OPTION_DEFAULT:
default:
presentation = have_pn_call ? CALL_GSM_PRESENTATION_DEFAULT :
CALL_MODEM_PROP_PRESENT_DEFAULT;
}
if (have_pn_call)
isi_call_create_req(ovc, presentation, number->type,
number->number, cb, data);
else
isi_modem_call_create_req(ovc, presentation, number->type,
number->number, cb, data);
}
static void isi_answer(struct ofono_voicecall *ovc, ofono_voicecall_cb_t cb,
void *data)
{
struct isi_voicecall *ivc = ofono_voicecall_get_data(ovc);
int id;
for (id = 1; id <= 7; id++)
if (ivc->calls[id].status == CALL_STATUS_MT_ALERTING)
goto answer_by_id;
id = CALL_ID_ALL;
answer_by_id:
isi_call_answer_req(ovc, id, cb, data);
}
static void isi_hangup_current(struct ofono_voicecall *ovc,
ofono_voicecall_cb_t cb, void *data)
{
/*
* Hangup call(s) that are not held or waiting:
* active calls or calls in progress.
*/
struct isi_voicecall *ivc = ofono_voicecall_get_data(ovc);
int id = 0;
uint8_t cause = CALL_CAUSE_RELEASE_BY_USER;
for (id = 1; id <= 7; id++) {
if (ivc->calls[id].call_id & CALL_ID_WAITING)
continue;
if (ivc->calls[id].call_id & CALL_ID_HOLD)
continue;
switch (ivc->calls[id].status) {
case CALL_STATUS_CREATE:
case CALL_STATUS_COMING:
case CALL_STATUS_MO_ALERTING:
case CALL_STATUS_ANSWERED:
case CALL_STATUS_HOLD_INITIATED:
goto release_by_id;
case CALL_STATUS_MT_ALERTING:
cause = CALL_CAUSE_BUSY_USER_REQUEST;
goto release_by_id;
case CALL_STATUS_PROCEEDING:
if (ivc->calls[id].mode_info & CALL_MODE_ORIGINATOR)
cause = CALL_CAUSE_BUSY_USER_REQUEST;
goto release_by_id;
}
}
id = CALL_ID_ACTIVE;
release_by_id:
isi_call_release_req(ovc, id, CALL_CAUSE_TYPE_CLIENT, cause, cb, data);
}
static void isi_release_all_held(struct ofono_voicecall *ovc,
ofono_voicecall_cb_t cb, void *data)
{
isi_call_release_req(ovc, CALL_ID_HOLD, CALL_CAUSE_TYPE_CLIENT,
CALL_CAUSE_RELEASE_BY_USER, cb, data);
}
static void isi_set_udub(struct ofono_voicecall *ovc,
ofono_voicecall_cb_t cb, void *data)
{
/* Release waiting calls */
isi_call_release_req(ovc, CALL_ID_WAITING,
CALL_CAUSE_TYPE_CLIENT,
CALL_CAUSE_BUSY_USER_REQUEST, cb, data);
}
static void isi_retrieve(struct ofono_voicecall *ovc,
ofono_voicecall_cb_t cb, void *data)
{
isi_call_control_req(ovc, CALL_ID_HOLD, CALL_OP_RETRIEVE, 0, cb, data);
}
static void isi_wait_and_answer(struct isi_call_req_ctx *irc, int event)
{
DBG("irc=%p event=%u", (void *) irc, event);
if (event != CALL_STATUS_TERMINATED)
return;
isi_answer(irc->ovc, irc->cb, irc->data);
isi_ctx_free(irc);
}
static void isi_wait_and_retrieve(struct isi_call_req_ctx *irc, int event)
{
DBG("irc=%p event=%u", (void *) irc, event);
if (event != CALL_STATUS_TERMINATED)
return;
isi_retrieve(irc->ovc, irc->cb, irc->data);
isi_ctx_free(irc);
}
static void isi_release_all_active(struct ofono_voicecall *ovc,
ofono_voicecall_cb_t cb, void *data)
{
struct isi_voicecall *ivc = ofono_voicecall_get_data(ovc);
struct isi_call_req_ctx *irc;
int id = 0;
int waiting = 0;
int active = 0;
int hold = 0;
for (id = 1; id <= 7; id++) {
if (ivc->calls[id].call_id & CALL_ID_WAITING)
waiting++;
if (ivc->calls[id].call_id & CALL_ID_HOLD)
hold++;
if (ivc->calls[id].call_id & CALL_ID_ACTIVE)
active++;
}
if (!active) {
CALLBACK_WITH_FAILURE(cb, data);
return;
}
irc = isi_call_release_req(ovc, CALL_ID_ACTIVE,
CALL_CAUSE_TYPE_CLIENT,
CALL_CAUSE_RELEASE_BY_USER,
cb, data);
if (irc == NULL)
return;
if (waiting)
isi_ctx_queue(irc, isi_wait_and_answer);
else if (hold)
isi_ctx_queue(irc, isi_wait_and_retrieve);
}
static void isi_hold_all_active(struct ofono_voicecall *ovc,
ofono_voicecall_cb_t cb, void *data)
{
struct isi_voicecall *ivc = ofono_voicecall_get_data(ovc);
int id = 0;
int op = 0;
int waiting = 0;
int active = 0;
int hold = 0;
for (id = 1; id <= 7; id++) {
if (ivc->calls[id].call_id & CALL_ID_WAITING)
waiting++;
if (ivc->calls[id].call_id & CALL_ID_HOLD)
hold++;
if (ivc->calls[id].call_id & CALL_ID_ACTIVE)
active++;
}
if (!waiting && !hold && !active) {
CALLBACK_WITH_FAILURE(cb, data);
return;
}
if (waiting) {
isi_call_answer_req(ovc, CALL_ID_WAITING, cb, data);
} else if (hold) {
if (active) {
op = CALL_OP_SWAP;
id = CALL_ID_ACTIVE;
} else {
op = CALL_OP_RETRIEVE;
id = CALL_ID_HOLD;
}
isi_call_control_req(ovc, id, op, 0, cb, data);
} else if (active) {
id = CALL_ID_ACTIVE;
op = CALL_OP_HOLD;
isi_call_control_req(ovc, id, op, 0, cb, data);
}
}
static void isi_release_specific(struct ofono_voicecall *ovc, int id,
ofono_voicecall_cb_t cb, void *data)
{
struct isi_voicecall *ivc = ofono_voicecall_get_data(ovc);
const struct isi_call *status;
uint8_t cause;
if (id < 1 || id > 7) {
CALLBACK_WITH_FAILURE(cb, data);
return;
}
status = &ivc->calls[id];
cause = CALL_CAUSE_RELEASE_BY_USER;
switch (status->status) {
case CALL_STATUS_MT_ALERTING:
case CALL_STATUS_WAITING:
cause = CALL_CAUSE_BUSY_USER_REQUEST;
break;
case CALL_STATUS_PROCEEDING:
if ((status->mode_info & CALL_MODE_ORIGINATOR))
cause = CALL_CAUSE_BUSY_USER_REQUEST;
break;
}
isi_call_release_req(ovc, id, CALL_CAUSE_TYPE_CLIENT, cause, cb, data);
}
static void isi_private_chat(struct ofono_voicecall *ovc, int id,
ofono_voicecall_cb_t cb, void *data)
{
if (id < 1 || id > 7) {
CALLBACK_WITH_FAILURE(cb, data);
return;
}
isi_call_control_req(ovc, id, CALL_OP_CONFERENCE_SPLIT, 0, cb, data);
}
static void isi_create_multiparty(struct ofono_voicecall *ovc,
ofono_voicecall_cb_t cb, void *data)
{
isi_call_control_req(ovc, CALL_ID_ALL, CALL_OP_CONFERENCE_BUILD, 0,
cb, data);
}
static void isi_transfer(struct ofono_voicecall *ovc,
ofono_voicecall_cb_t cb, void *data)
{
struct isi_voicecall *ivc = ofono_voicecall_get_data(ovc);
uint8_t id;
for (id = 1; id <= 7; id++) {
if (ivc->calls[id].status == CALL_STATUS_MO_ALERTING)
break;
}
if (id > 7)
id = CALL_ID_ACTIVE;
isi_call_control_req(ovc, id, CALL_GSM_OP_TRANSFER, 0, cb, data);
}
static void isi_deflect(struct ofono_voicecall *ovc,
const struct ofono_phone_number *ph,
ofono_voicecall_cb_t cb, void *data)
{
isi_call_deflect_req(ovc, CALL_ID_WAITING, ph->type, ph->number,
cb, data);
}
static void isi_swap_without_accept(struct ofono_voicecall *ovc,
ofono_voicecall_cb_t cb, void *data)
{
struct isi_voicecall *ivc = ofono_voicecall_get_data(ovc);
int id = 0;
int op = 0;
int active = 0;
int hold = 0;
for (id = 1; id <= 7; id++) {
if (ivc->calls[id].call_id & CALL_ID_HOLD)
hold++;
if (ivc->calls[id].call_id & CALL_ID_ACTIVE)
active++;
}
if (hold && active) {
id = CALL_ID_ACTIVE;
op = CALL_OP_SWAP;
} else if (active) {
id = CALL_ID_ACTIVE;
op = CALL_OP_HOLD;
} else if (hold) {
id = CALL_ID_HOLD;
op = CALL_OP_RETRIEVE;
} else {
CALLBACK_WITH_FAILURE(cb, data);
return;
}
isi_call_control_req(ovc, id, op, 0, cb, data);
}
static void isi_send_tones(struct ofono_voicecall *ovc, const char *tones,
ofono_voicecall_cb_t cb, void *data)
{
isi_call_dtmf_send_req(ovc, CALL_ID_ALL, tones, cb, data);
}
static void subscribe_indications(GIsiClient *cl, void *data)
{
g_isi_client_ind_subscribe(cl, CALL_STATUS_IND, isi_call_status_ind_cb,
data);
g_isi_client_ind_subscribe(cl, CALL_CONTROL_IND, isi_call_control_ind_cb,
data);
g_isi_client_ind_subscribe(cl, CALL_TERMINATED_IND,
isi_call_terminated_ind_cb, data);
g_isi_client_ind_subscribe(cl, CALL_GSM_NOTIFICATION_IND,
notification_ind_cb, data);
}
static void pn_call_verify_cb(const GIsiMessage *msg, void *data)
{
struct ofono_voicecall *ovc = data;
struct isi_voicecall *ivc = ofono_voicecall_get_data(ovc);
if (g_isi_msg_error(msg) < 0) {
DBG("PN_CALL not reachable, removing client");
g_isi_client_destroy(ivc->pn_call);
ivc->pn_call = NULL;
if (ivc->pn_modem_call == NULL)
ofono_voicecall_remove(ovc);
return;
}
ISI_RESOURCE_DBG(msg);
if (ivc == NULL || ivc->client != NULL)
return;
ivc->client = ivc->pn_call;
subscribe_indications(ivc->client, ovc);
if (!isi_call_status_req(ovc, CALL_ID_ALL,
CALL_STATUS_MODE_ADDR_AND_ORIGIN,
NULL, NULL))
DBG("Failed to request call status");
ofono_voicecall_register(ovc);
}
static void pn_modem_call_verify_cb(const GIsiMessage *msg, void *data)
{
struct ofono_voicecall *ovc = data;
struct isi_voicecall *ivc = ofono_voicecall_get_data(ovc);
if (g_isi_msg_error(msg) < 0) {
DBG("PN_MODEM_CALL not reachable, removing client");
g_isi_client_destroy(ivc->pn_modem_call);
ivc->pn_modem_call = NULL;
if (ivc->pn_call == NULL)
ofono_voicecall_remove(ovc);
return;
}
ISI_RESOURCE_DBG(msg);
if (ivc == NULL || ivc->client != NULL)
return;
ivc->client = ivc->pn_modem_call;
subscribe_indications(ivc->client, ovc);
if (!isi_call_status_req(ovc, CALL_ID_ALL,
CALL_STATUS_MODE_ADDR_AND_ORIGIN,
NULL, NULL))
DBG("Failed to request call status");
ofono_voicecall_register(ovc);
}
static int isi_probe(struct ofono_voicecall *ovc, unsigned int vendor,
void *user)
{
GIsiModem *modem = user;
struct isi_voicecall *ivc;
int id;
ivc = g_try_new0(struct isi_voicecall, 1);
if (ivc == NULL)
return -ENOMEM;
for (id = 0; id <= 7; id++)
ivc->calls[id].id = id;
ivc->pn_call = g_isi_client_create(modem, PN_CALL);
if (ivc->pn_call == NULL) {
g_free(ivc);
return -ENOMEM;
}
ivc->pn_modem_call = g_isi_client_create(modem, PN_MODEM_CALL);
if (ivc->pn_call == NULL) {
g_isi_client_destroy(ivc->pn_call);
g_free(ivc);
return -ENOMEM;
}
ofono_voicecall_set_data(ovc, ivc);
g_isi_client_verify(ivc->pn_call, pn_call_verify_cb, ovc, NULL);
g_isi_client_verify(ivc->pn_modem_call, pn_modem_call_verify_cb,
ovc, NULL);
return 0;
}
static void isi_remove(struct ofono_voicecall *call)
{
struct isi_voicecall *data = ofono_voicecall_get_data(call);
ofono_voicecall_set_data(call, NULL);
if (data == NULL)
return;
g_isi_client_destroy(data->pn_call);
g_isi_client_destroy(data->pn_modem_call);
g_free(data);
}
static struct ofono_voicecall_driver driver = {
.name = "isimodem",
.probe = isi_probe,
.remove = isi_remove,
.dial = isi_dial,
.answer = isi_answer,
.hangup_active = isi_hangup_current,
.hold_all_active = isi_hold_all_active,
.release_all_held = isi_release_all_held,
.set_udub = isi_set_udub,
.release_all_active = isi_release_all_active,
.release_specific = isi_release_specific,
.private_chat = isi_private_chat,
.create_multiparty = isi_create_multiparty,
.transfer = isi_transfer,
.deflect = isi_deflect,
.swap_without_accept = isi_swap_without_accept,
.send_tones = isi_send_tones,
};
void isi_voicecall_init(void)
{
ofono_voicecall_driver_register(&driver);
}
void isi_voicecall_exit(void)
{
ofono_voicecall_driver_unregister(&driver);
}