mirror of git://git.sysmocom.de/ofono
433 lines
9.4 KiB
C
433 lines
9.4 KiB
C
/*
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*
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* oFono - Open Source Telephony
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*
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* Copyright (C) 2008-2010 Intel Corporation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#define _GNU_SOURCE
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#include <string.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <glib.h>
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#include <ofono/log.h>
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#include <ofono/modem.h>
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#include <ofono/voicecall.h>
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#include "gatchat.h"
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#include "gatresult.h"
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#include "calypsomodem.h"
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static const char *none_prefix[] = { NULL };
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struct voicecall_data {
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GAtChat *chat;
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};
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static void calypso_generic_cb(gboolean ok, GAtResult *result,
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gpointer user_data)
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{
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struct cb_data *cbd = user_data;
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ofono_voicecall_cb_t cb = cbd->cb;
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struct ofono_error error;
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decode_at_error(&error, g_at_result_final_response(result));
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cb(&error, cbd->data);
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}
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static void calypso_template(struct ofono_voicecall *vc, const char *cmd,
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ofono_voicecall_cb_t cb, void *data)
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{
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struct voicecall_data *vd = ofono_voicecall_get_data(vc);
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struct cb_data *cbd = cb_data_new(cb, data);
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if (!cbd)
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goto error;
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if (g_at_chat_send(vd->chat, cmd, none_prefix,
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calypso_generic_cb, cbd, g_free) > 0)
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return;
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error:
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if (cbd)
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g_free(cbd);
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CALLBACK_WITH_FAILURE(cb, data);
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}
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static void calypso_dial(struct ofono_voicecall *vc,
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const struct ofono_phone_number *ph,
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enum ofono_clir_option clir,
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enum ofono_cug_option cug,
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ofono_voicecall_cb_t cb, void *data)
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{
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char buf[256];
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if (ph->type == 145)
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snprintf(buf, sizeof(buf), "ATD+%s", ph->number);
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else
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snprintf(buf, sizeof(buf), "ATD%s", ph->number);
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switch (clir) {
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case OFONO_CLIR_OPTION_INVOCATION:
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strcat(buf, "I");
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break;
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case OFONO_CLIR_OPTION_SUPPRESSION:
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strcat(buf, "i");
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break;
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default:
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break;
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}
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switch (cug) {
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case OFONO_CUG_OPTION_INVOCATION:
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strcat(buf, "G");
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break;
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default:
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break;
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}
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strcat(buf, ";");
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calypso_template(vc, buf, cb, data);
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}
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static void calypso_answer(struct ofono_voicecall *vc,
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ofono_voicecall_cb_t cb, void *data)
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{
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calypso_template(vc, "ATA", cb, data);
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}
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static void calypso_hangup(struct ofono_voicecall *vc,
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ofono_voicecall_cb_t cb, void *data)
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{
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calypso_template(vc, "ATH", cb, data);
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}
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static void calypso_hold_all_active(struct ofono_voicecall *vc,
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ofono_voicecall_cb_t cb, void *data)
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{
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calypso_template(vc, "AT+CHLD=2", cb, data);
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}
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static void calypso_release_all_held(struct ofono_voicecall *vc,
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ofono_voicecall_cb_t cb, void *data)
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{
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calypso_template(vc, "AT+CHLD=0", cb, data);
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}
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static void calypso_set_udub(struct ofono_voicecall *vc,
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ofono_voicecall_cb_t cb, void *data)
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{
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calypso_template(vc, "AT+CHLD=0", cb, data);
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}
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static void calypso_release_all_active(struct ofono_voicecall *vc,
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ofono_voicecall_cb_t cb, void *data)
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{
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calypso_template(vc, "AT+CHLD=1", cb, data);
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}
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static void calypso_release_specific(struct ofono_voicecall *vc, int id,
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ofono_voicecall_cb_t cb, void *data)
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{
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char buf[32];
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/* On calypso, 1X only releases active calls, while 7X releases
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* active or held calls
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*/
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snprintf(buf, sizeof(buf), "AT%%CHLD=7%d", id);
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calypso_template(vc, buf, cb, data);
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}
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static void calypso_private_chat(struct ofono_voicecall *vc, int id,
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ofono_voicecall_cb_t cb, void *data)
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{
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char buf[32];
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snprintf(buf, sizeof(buf), "AT+CHLD=2%d", id);
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calypso_template(vc, buf, cb, data);
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}
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static void calypso_create_multiparty(struct ofono_voicecall *vc,
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ofono_voicecall_cb_t cb, void *data)
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{
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calypso_template(vc, "AT+CHLD=3", cb, data);
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}
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static void calypso_transfer(struct ofono_voicecall *vc,
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ofono_voicecall_cb_t cb, void *data)
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{
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calypso_template(vc, "AT+CHLD=4", cb, data);
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}
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static void calypso_deflect(struct ofono_voicecall *vc,
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const struct ofono_phone_number *ph,
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ofono_voicecall_cb_t cb, void *data)
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{
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char buf[128];
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snprintf(buf, sizeof(buf), "AT+CTFR=%s,%d", ph->number, ph->type);
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calypso_template(vc, buf, cb, data);
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}
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static void calypso_send_dtmf(struct ofono_voicecall *vc, const char *dtmf,
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ofono_voicecall_cb_t cb, void *data)
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{
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int len = strlen(dtmf);
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int s;
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int i;
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char *buf;
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/* strlen("+VTS=\"T\";") = 9 + initial AT + null */
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buf = g_try_new(char, len * 9 + 3);
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if (!buf) {
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CALLBACK_WITH_FAILURE(cb, data);
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return;
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}
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s = sprintf(buf, "AT+VTS=\"%c\"", dtmf[0]);
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for (i = 1; i < len; i++)
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s += sprintf(buf + s, ";+VTS=\"%c\"", dtmf[i]);
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calypso_template(vc, buf, cb, data);
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g_free(buf);
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}
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static void cpi_notify(GAtResult *result, gpointer user_data)
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{
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struct ofono_voicecall *vc = user_data;
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struct voicecall_data *vd = ofono_voicecall_get_data(vc);
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GAtResultIter iter;
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int id;
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int msgtype;
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int direction;
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int mode;
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const char *num;
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int type;
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int cause;
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int line = 0;
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int validity;
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struct ofono_call call;
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g_at_result_iter_init(&iter, result);
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if (!g_at_result_iter_next(&iter, "%CPI:"))
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return;
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if (!g_at_result_iter_next_number(&iter, &id))
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return;
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/* msgtype
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* 0 - setup
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* 1 - disconnect
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* 2 - alert
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* 3 - call proceed
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* 4 - sync
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* 5 - progress
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* 6 - connected
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* 7 - release
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* 8 - reject
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* 9 - request (MO Setup)
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* 10 - hold
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*/
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if (!g_at_result_iter_next_number(&iter, &msgtype))
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return;
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/* Skip in-band ring tone notification */
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if (!g_at_result_iter_skip_next(&iter))
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return;
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/* Skip traffic channel assignment */
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if (!g_at_result_iter_skip_next(&iter))
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return;
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if (!g_at_result_iter_next_number(&iter, &direction))
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return;
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if (!g_at_result_iter_next_number(&iter, &mode))
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return;
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DBG("id:%d, msgtype:%d, direction:%d, mode:%d",
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id, msgtype, direction, mode);
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if (!g_at_result_iter_next_string(&iter, &num))
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return;
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if (strlen(num) > 0) {
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DBG("Len > 0");
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validity = 0;
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if (!g_at_result_iter_next_number(&iter, &type))
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return;
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DBG("type obtained");
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} else {
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DBG("skip next");
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validity = 2;
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type = 129;
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if (!g_at_result_iter_skip_next(&iter))
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return;
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DBG("skipped");
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}
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DBG("num:%s, type:%d", num, type);
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/* Skip alpha field */
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if (!g_at_result_iter_skip_next(&iter))
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return;
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g_at_result_iter_next_number(&iter, &cause);
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g_at_result_iter_next_number(&iter, &line);
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DBG("cause:%d, line:%d", cause, line);
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/* We only care about voice calls here */
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if (mode != 0)
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return;
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if (line != 0) {
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ofono_error("Alternate Line service not yet handled");
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return;
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}
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/* Need to send this on the calypso hardware to avoid echo issues */
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if (msgtype == 3 || msgtype == 4)
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g_at_chat_send(vd->chat, "AT%N0187", none_prefix,
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NULL, NULL, NULL);
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switch (msgtype) {
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case 0:
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/* Set call status to incoming */
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call.status = 4;
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break;
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case 2:
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/* Set call status to alerting */
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call.status = 3;
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break;
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case 3:
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case 9:
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/* Set call status to dialing */
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call.status = 2;
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break;
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case 6:
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/* Set call status to connected */
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call.status = 0;
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break;
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case 10:
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/* Set call status to held */
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call.status = 1;
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break;
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case 1:
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case 8:
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ofono_voicecall_disconnected(vc, id,
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OFONO_DISCONNECT_REASON_UNKNOWN, NULL);
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return;
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default:
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return;
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};
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call.id = id;
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call.type = mode;
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call.direction = direction;
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strncpy(call.phone_number.number, num,
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OFONO_MAX_PHONE_NUMBER_LENGTH);
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call.phone_number.number[OFONO_MAX_PHONE_NUMBER_LENGTH] = '\0';
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call.phone_number.type = type;
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call.clip_validity = validity;
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ofono_voicecall_notify(vc, &call);
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}
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static void calypso_voicecall_initialized(gboolean ok, GAtResult *result,
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gpointer user_data)
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{
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struct ofono_voicecall *vc = user_data;
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struct voicecall_data *vd = ofono_voicecall_get_data(vc);
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DBG("voicecall_init: registering to notifications");
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g_at_chat_register(vd->chat, "%CPI:", cpi_notify, FALSE, vc, NULL);
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ofono_voicecall_register(vc);
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}
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static int calypso_voicecall_probe(struct ofono_voicecall *vc, unsigned int vendor,
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void *data)
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{
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GAtChat *chat = data;
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struct voicecall_data *vd;
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vd = g_new0(struct voicecall_data, 1);
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vd->chat = chat;
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ofono_voicecall_set_data(vc, vd);
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g_at_chat_send(chat, "AT%CPI=3", NULL,
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calypso_voicecall_initialized, vc, NULL);
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return 0;
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}
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static void calypso_voicecall_remove(struct ofono_voicecall *vc)
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{
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struct voicecall_data *vd = ofono_voicecall_get_data(vc);
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g_free(vd);
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}
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static struct ofono_voicecall_driver driver = {
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.name = "calypsomodem",
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.probe = calypso_voicecall_probe,
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.remove = calypso_voicecall_remove,
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.dial = calypso_dial,
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.answer = calypso_answer,
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.hangup = calypso_hangup,
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.hold_all_active = calypso_hold_all_active,
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.release_all_held = calypso_release_all_held,
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.set_udub = calypso_set_udub,
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.release_all_active = calypso_release_all_active,
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.release_specific = calypso_release_specific,
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.private_chat = calypso_private_chat,
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.create_multiparty = calypso_create_multiparty,
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.transfer = calypso_transfer,
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.deflect = calypso_deflect,
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.swap_without_accept = NULL,
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.send_tones = calypso_send_dtmf
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};
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void calypso_voicecall_init()
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{
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ofono_voicecall_driver_register(&driver);
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}
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void calypso_voicecall_exit()
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{
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ofono_voicecall_driver_unregister(&driver);
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}
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