diff --git a/audio/device.h b/audio/device.h index 80e1b10..60dbc76 100644 --- a/audio/device.h +++ b/audio/device.h @@ -22,6 +22,11 @@ * */ +#ifndef __DEVICE_H__ +#define __DEVICE_H__ + +#include + #define GENERIC_AUDIO_UUID "00001203-0000-1000-8000-00805F9B34FB" #define HSP_HS_UUID "00001108-0000-1000-8000-00805F9B34FB" @@ -72,3 +77,6 @@ struct audio_device *device_register(DBusConnection *conn, void device_unregister(struct audio_device *device); gboolean device_is_connected(struct audio_device *dev, const char *interface); + +#endif /*__DEVICE_H__*/ + diff --git a/audio/gateway.c b/audio/gateway.c index a299d28..4f0297c 100644 --- a/audio/gateway.c +++ b/audio/gateway.c @@ -4,6 +4,7 @@ * * Copyright (C) 2006-2007 Nokia Corporation * Copyright (C) 2004-2008 Marcel Holtmann + * Copyright (C) 2008 Leonid Movshovich * * * This program is free software; you can redistribute it and/or modify @@ -27,8 +28,1068 @@ #endif #include +#include +#include +#include +#include #include #include +#include + +#include +#include +#include +#include +#include +#include +#include #include "gateway.h" +#include "error.h" +#include "glib-helper.h" +#include "logging.h" + +#define SCO_BUF_SIZE 1024 +#define RFCOMM_BUF_SIZE 256 +#define AG_INDICATOR_DESCR_SIZE 20 /* not-more-then-16 defined by GSM + 1 for NULL + padding */ +#define AG_CALLER_NUM_SIZE 64 /* size of number + type */ + +/* commands */ +#define AG_FEATURES "AT+BRSF=26\r" // = 0x7F = All features supported +#define AG_INDICATORS_SUPP "AT+CIND=?\r" +#define AG_INDICATORS_VAL "AT+CIND?\r" +#define AG_INDICATORS_ENABLE "AT+CMER=3,0,0,1\r" +#define AG_HOLD_MPTY_SUPP "AT+CHLD=?\r" +#define AG_CALLER_IDENT_ENABLE "AT+CLIP=1\r" +#define AG_CARRIER_FORMAT "AT+COPS=3,0\r" +#define AG_EXTENDED_RESULT_CODE "AT+CMEE=1\r" + +#define AG_FEATURE_3WAY 0x1 +#define AG_FEATURE_EXTENDED_RES_CODE 0x100 +/* Hold and multipary AG features. Comments below are copied from hands-free spec for reference */ +#define AG_CHLD_0 0x01 /* Releases all held calls or sets User Determined User Busy (UDUB) for a waiting call */ +#define AG_CHLD_1 0x02 /* Releases all active calls (if any exist) and accepts the other (held or waiting) call */ +#define AG_CHLD_1x 0x04 /* Releases specified active call only */ +#define AG_CHLD_2 0x08 /* Places all active calls (if any exist) on hold and accepts the other (held or waiting) call */ +#define AG_CHLD_2x 0x10 /* Request private consultation mode with specified call (Place all calls on hold EXCEPT the call ) */ +#define AG_CHLD_3 0x20 /* Adds a held call to the conversation */ +#define AG_CHLD_4 0x40 /* Connects the two calls and disconnects the subscriber from both calls (Explicit Call Transfer). + Support for this value and its associated functionality is optional for the HF. */ +#define OK_RESPONSE "\r\nOK\r\n" +#define ERROR_RESPONSE "\r\nERROR\r\n" + + +struct indicator { + gchar descr[AG_INDICATOR_DESCR_SIZE]; + gint value; +}; + +struct gateway { + GIOChannel *rfcomm; + guint rfcomm_watch_id; + GIOChannel *sco; + GIOChannel *sco_server; + DBusMessage *connect_message; + guint ag_features; + guint hold_multiparty_features; + GSList *indies; + gboolean is_dialing; +}; + + +static gboolean rfcomm_ag_data_cb(GIOChannel * chan, GIOCondition cond, + struct audio_device *device); + +static void rfcomm_start_watch(struct audio_device *dev) +{ + struct gateway *gw = dev->gateway; + gw->rfcomm_watch_id = + g_io_add_watch(gw->rfcomm, + G_IO_IN | G_IO_ERR | G_IO_HUP | G_IO_NVAL, + (GIOFunc) rfcomm_ag_data_cb, dev); +} + +static void rfcomm_stop_watch(struct audio_device *dev) +{ + struct gateway *gw = dev->gateway; + g_source_remove(gw->rfcomm_watch_id); +} + +static gboolean io_channel_write_all(GIOChannel * io, gchar * data, + gsize count) +{ + gsize written = 0; + GIOStatus status; + while (0 < count) { + status = + g_io_channel_write_chars(io, data, count, &written, + NULL); + if (G_IO_STATUS_NORMAL != status) { + return FALSE; + } + data += written; + count -= written; + } + return TRUE; +} + +/* it's worth to mention that data and response could be the same pointers */ +static gboolean rfcomm_send_and_read(struct gateway *gw, gchar * data, + gchar * response, gsize count) +{ + GIOChannel *rfcomm = gw->rfcomm; + + if (!io_channel_write_all(rfcomm, data, count)) { + return FALSE; + } + + gsize read = 0; + gboolean got_ok = FALSE; + gboolean got_error = FALSE; + gchar *resp_buf = response; + gsize toread = RFCOMM_BUF_SIZE - 1; + GIOStatus status; + while (!(got_ok || got_error)) { + status = + g_io_channel_read_chars(rfcomm, resp_buf, toread, + &read, NULL); + if (G_IO_STATUS_NORMAL == status) { + resp_buf[read] = '\0'; + } else { + debug("rfcomm_send_and_read(): %m"); + return FALSE; + } + got_ok = NULL != strstr(resp_buf, OK_RESPONSE); + got_error = NULL != strstr(resp_buf, ERROR_RESPONSE); + resp_buf += read; + toread -= read; + } + return TRUE; +} + +/* get from the names: (, ()), (, ()) ... */ +GSList *parse_indicator_names(gchar * names, GSList * indies) +{ + gchar *current = names - 1; + GSList *result = indies; + gchar *next; + while (NULL != current) { + current += 2; + next = strstr(current, ",("); + struct indicator *ind = + (struct indicator *) g_slice_new(struct indicator); + strncpy(ind->descr, current, 20); + ind->descr[(gint) next - (gint) current] = '\0'; + result = g_slist_append(result, (gpointer) ind); + current = strstr(next + 1, ",("); + } + return result; +} + +/* get values from ,,... */ +GSList *parse_indicator_values(gchar * values, GSList * indies) +{ + gint val; + gchar *current = values - 1; + GSList *runner = indies; + while (NULL != current) { + current += 1; + sscanf(current, "%d", &val); + current = strchr(current, ','); + struct indicator *ind = + (struct indicator *) g_slist_nth_data(runner, 0); + ind->value = val; + runner = g_slist_next(runner); + } + return indies; +} + +/* get values from ,,... */ +static guint get_hold_mpty_features(gchar * features) +{ + guint result = 0; + if (NULL != strstr(features, "0")) { + result |= AG_CHLD_0; + } + if (NULL != strstr(features, "1")) { + result |= AG_CHLD_1; + } + if (NULL != strstr(features, "1x")) { + result |= AG_CHLD_1x; + } + if (NULL != strstr(features, "2")) { + result |= AG_CHLD_2; + } + if (NULL != strstr(features, "2x")) { + result |= AG_CHLD_2x; + } + if (NULL != strstr(features, "3")) { + result |= AG_CHLD_3; + } + if (NULL != strstr(features, "4")) { + result |= AG_CHLD_4; + } + return result; +} + +static gboolean establish_service_level_conn(struct gateway *gw) +{ + gchar buf[RFCOMM_BUF_SIZE]; + gint read; + gboolean res; + res = + rfcomm_send_and_read(gw, AG_FEATURES, buf, + sizeof(AG_FEATURES) - 1); + if (!res || 1 != sscanf(buf, "\r\n+BRSF:%d", &gw->ag_features)) { + return FALSE; + } + debug("features are 0x%X", gw->ag_features); + res = + rfcomm_send_and_read(gw, AG_INDICATORS_SUPP, buf, + sizeof(AG_INDICATORS_SUPP) - 1); + if (!res || !strstr(buf, "+CIND:")) { + return FALSE; + } + gw->indies = parse_indicator_names(strchr(buf, '('), NULL); + + res = + rfcomm_send_and_read(gw, AG_INDICATORS_VAL, buf, + sizeof(AG_INDICATORS_VAL) - 1); + if (!res || !strstr(buf, "+CIND:")) { + return FALSE; + } + gw->indies = + parse_indicator_values(strchr(buf, ':') + 1, gw->indies); + + res = + rfcomm_send_and_read(gw, AG_INDICATORS_ENABLE, buf, + sizeof(AG_INDICATORS_ENABLE) - 1); + if (!res || !strstr(buf, "OK")) { + return FALSE; + } + if (0 != gw->ag_features & AG_FEATURE_3WAY) { + res = + rfcomm_send_and_read(gw, AG_HOLD_MPTY_SUPP, buf, + sizeof(AG_HOLD_MPTY_SUPP) - 1); + if (!res || !strstr(buf, "+CHLD:")) { + g_slice_free1(RFCOMM_BUF_SIZE, buf); + return FALSE; + } + gw->hold_multiparty_features = + get_hold_mpty_features(strchr(buf, '(')); + } else { + gw->hold_multiparty_features = 0; + } + debug("Service layer connection successfully established!"); + rfcomm_send_and_read(gw, AG_CALLER_IDENT_ENABLE, buf, + sizeof(AG_CALLER_IDENT_ENABLE) - 1); + rfcomm_send_and_read(gw, AG_CARRIER_FORMAT, buf, + sizeof(AG_CARRIER_FORMAT) - 1); + if (0 != gw->ag_features & AG_FEATURE_EXTENDED_RES_CODE) { + rfcomm_send_and_read(gw, AG_EXTENDED_RESULT_CODE, buf, + sizeof(AG_EXTENDED_RESULT_CODE) - 1); + } + return TRUE; +} + +static void process_ind_change(struct audio_device *dev, gchar * name, + gint value) +{ + struct gateway *gw = dev->gateway; + if (0 == strcmp(name, "call")) { + if (0 < value) { + g_dbus_emit_signal(dev->conn, dev->path, + AUDIO_GATEWAY_INTERFACE, + "CallStart", DBUS_TYPE_INVALID); + gw->is_dialing = FALSE; + } else { + g_dbus_emit_signal(dev->conn, dev->path, + AUDIO_GATEWAY_INTERFACE, + "CallEnd", DBUS_TYPE_INVALID); + } + } else if (0 == strcmp(name, "callstatus") + && gw->is_dialing) { + if (0 == value) { + g_dbus_emit_signal(dev->conn, dev->path, + AUDIO_GATEWAY_INTERFACE, + "CallCancelled", + DBUS_TYPE_INVALID); + gw->is_dialing = FALSE; + } else { + gw->is_dialing = TRUE; + } + } else if (0 == strcmp(name, "callheld")) { + /* FIXME: The following code is based on assumptions only. Has to be tested for interoperability + I assume that callheld=2 would be sent when dial from HF failed in case of 3-way call + Unfortunately this path is not covered by the HF spec so the code has to be tested for interop + */ + if (2 == value) { /* '2' means: all calls held, no active calls */ + if (gw->is_dialing) { + g_dbus_emit_signal(dev->conn, dev->path, + AUDIO_GATEWAY_INTERFACE, + "CallCancelled", + DBUS_TYPE_INVALID); + gw->is_dialing == FALSE; + } + } + } else { + g_dbus_emit_signal(dev->conn, dev->path, + AUDIO_GATEWAY_INTERFACE, "StatusUpdate", + DBUS_TYPE_STRING, name, DBUS_TYPE_INT32, + value, DBUS_TYPE_INVALID); + } +} + +static void process_ring(struct audio_device *device, GIOChannel * chan, + gchar * buf) +{ + gchar number[AG_CALLER_NUM_SIZE]; + gchar *sep; + gint read; + + rfcomm_stop_watch(device); + g_io_channel_read_chars(chan, buf, RFCOMM_BUF_SIZE - 1, &read, + NULL); + if (1 == sscanf(buf, "\r\n+CLIP:%s\r\n", number)) { + sep = strchr(number, ','); + sep[0] = '\0'; + /* FIXME: signal will be emitted on each RING+CLIP. That's bad */ + g_dbus_emit_signal(device->conn, device->path, + AUDIO_GATEWAY_INTERFACE, "Ring", + DBUS_TYPE_STRING, number, + DBUS_TYPE_INVALID); + } else { + warn + ("rfcomm_ag_data_cb(): '%s' in place of +CLIP after RING", + buf); + } + rfcomm_start_watch(device); +} + +static gboolean rfcomm_ag_data_cb(GIOChannel * chan, GIOCondition cond, + struct audio_device *device) +{ + gchar buf[RFCOMM_BUF_SIZE]; + struct gateway *gw; + gint read; + gchar indicator[AG_INDICATOR_DESCR_SIZE + 4]; /* some space for value */ + gint value; + gint result; + gchar *sep; + + if (cond & G_IO_NVAL) + return FALSE; + + gw = device->gateway; + + if (cond & (G_IO_ERR | G_IO_HUP)) + return FALSE; + + + if (G_IO_ERROR_NONE != + g_io_channel_read_chars(chan, buf, sizeof(buf) - 1, &read, + NULL)) + return TRUE; + + buf[read] = '\0'; + if (1 == sscanf(buf, "\r\n+CIEV:%s\r\n", indicator)) { + sep = strchr(indicator, ','); + sep[0] = '\0'; + sep += 1; + value = atoi(sep); + process_ind_change(device, indicator, value); + } else if (NULL != strstr(buf, "RING")) { + process_ring(device, chan, buf); + } else if (1 == sscanf(buf, "\r\n+BVRA:%d\r\n", value)) { + if (0 == value) { + g_dbus_emit_signal(device->conn, device->path, + AUDIO_GATEWAY_INTERFACE, + "VoiceRecognitionActive", + DBUS_TYPE_INVALID); + } else { + g_dbus_emit_signal(device->conn, device->path, + AUDIO_GATEWAY_INTERFACE, + "VoiceRecognitionInactive", + DBUS_TYPE_INVALID); + } + } else if (1 == sscanf(buf, "\r\n+VGS:%d\r\n", value)) { + g_dbus_emit_signal(device->conn, device->path, + AUDIO_GATEWAY_INTERFACE, "SpeakerGain", + DBUS_TYPE_INT32, value, + DBUS_TYPE_INVALID); + + } else if (1 == sscanf(buf, "\r\n+VGM:%d\r\n", value)) { + g_dbus_emit_signal(device->conn, device->path, + AUDIO_GATEWAY_INTERFACE, "MicGain", + DBUS_TYPE_INT32, value, + DBUS_TYPE_INVALID); + } else { + error("rfcomm_ag_data_cb(): read wrong data '%s'", buf); + } + return TRUE; +} + +static gboolean sco_io_cb(GIOChannel * chan, GIOCondition cond, + struct audio_device *dev) +{ + gchar buf[SCO_BUF_SIZE]; + gint read; + struct gateway *gw = dev->gateway; + + if (cond & G_IO_NVAL) + return FALSE; + + if (cond & (G_IO_ERR | G_IO_HUP)) { + GIOChannel *chan = gw->sco; + g_io_channel_unref(chan); + g_io_channel_close(chan); + gw->sco = NULL; + return FALSE; + } + + /* May be here some more data have to be read. Depends on result performance. + For Nokia E51 volume is 48 bytes per call */ + if (G_IO_ERROR_NONE == + g_io_channel_read(chan, buf, sizeof(buf), &read)) { +// if (G_IO_ERROR_NONE == g_io_channel_read_chars(chan, buf, sizeof(buf) , &read, NULL)) { + gchar *p_buf = buf; + g_dbus_emit_signal(dev->conn, dev->path, + AUDIO_GATEWAY_INTERFACE, "AudioData", + DBUS_TYPE_ARRAY, DBUS_TYPE_BYTE, &p_buf, + read, DBUS_TYPE_INVALID); + } + return TRUE; +} + + +static void sco_connect_cb(GIOChannel * chan, int err, + const bdaddr_t * src, const bdaddr_t * dst, + gpointer user_data) +{ + struct audio_device *dev = (struct audio_device *) user_data; + struct gateway *gw = dev->gateway; + + if (0 > err) { + error("sco_connect_cb(): %s (%d)", strerror(-err), -err); + /* not sure, but from other point of view, + what is the reason to have headset which cannot play audio? */ + gateway_close(gw); + return; + } + + gw->sco = chan; + fcntl(g_io_channel_unix_get_fd(chan), F_SETFL, 0); /* why is this here? */ + g_io_add_watch(gw->sco, G_IO_ERR | G_IO_HUP | G_IO_NVAL | G_IO_IN, + (GIOFunc) sco_io_cb, dev); +} + + +static void rfcomm_connect_cb(GIOChannel * chan, int err, + const bdaddr_t * src, const bdaddr_t * dst, + gpointer user_data) +{ + struct audio_device *dev = user_data; + struct gateway *gw = dev->gateway; + DBusMessage *conn_mes = gw->connect_message; + gchar gw_addr[18]; + + if (err < 0) { + error("connect(): %s (%d)", strerror(-err), -err); + return; + } + + ba2str(&dev->dst, gw_addr); + /* Blocking mode should be default, but just in case: */ + GIOFlags flags = g_io_channel_get_flags(chan); + flags &= ~G_IO_FLAG_NONBLOCK; + flags &= G_IO_FLAG_MASK; + g_io_channel_set_flags(chan, flags, NULL); + g_io_channel_set_encoding(chan, NULL, NULL); + g_io_channel_set_buffered(chan, FALSE); + gw->rfcomm = chan; + if (establish_service_level_conn(dev->gateway)) { + GIOChannel *sco_server = + bt_sco_listen(&dev->src, 0, sco_connect_cb, dev); + if (NULL != sco_server) { + debug("%s: Connected to %s", dev->path, gw_addr); + rfcomm_start_watch(dev); + gw->sco_server = sco_server; + DBusMessage *reply = + dbus_message_new_method_return(conn_mes); + dbus_connection_send(dev->conn, reply, NULL); + dbus_message_unref(reply); + dbus_message_unref(conn_mes); + gw->connect_message = NULL; + + g_dbus_emit_signal(dev->conn, dev->path, + AUDIO_GATEWAY_INTERFACE, + "Connected", DBUS_TYPE_UINT32, + &gw->ag_features, + DBUS_TYPE_INVALID); + return; + } else { + error("%s: Failed to setup SCO server socket", + dev->path); + } + } else { + error + ("%s: Failed to establish service layer connection to %s", + dev->path, gw_addr); + } + gateway_close(gw); +} + +static void get_record_cb(sdp_list_t * recs, int err, gpointer user_data) +{ + struct audio_device *dev = user_data; + DBusMessage *conn_mes = dev->gateway->connect_message; + int ch = -1; + sdp_list_t *protos, *classes = NULL; + sdp_record_t *record = NULL; + uuid_t uuid; + + if (err < 0) { + error("Unable to get service record: %s (%d)", + strerror(-err), -err); + } else if (NULL == recs || NULL == recs->data) { + error("No records found"); + } else if (sdp_get_service_classes(recs->data, &classes) < 0) { + error("Unable to get service classes from record"); + } else { + memcpy(&uuid, classes->data, sizeof(uuid)); + + if (0 == sdp_uuid128_to_uuid(&uuid) + || uuid.type != SDP_UUID16) { + error("Not a 16 bit UUID"); + } else if (uuid.value.uuid16 != HANDSFREE_AGW_SVCLASS_ID) { + error + ("Service record didn't contain the HFP UUID"); + } else if (0 == sdp_get_access_protos(recs->data, &protos)) { + ch = sdp_get_proto_port(protos, RFCOMM_UUID); + sdp_list_foreach(protos, + (sdp_list_func_t) sdp_list_free, + NULL); + sdp_list_free(protos, NULL); + if (ch == -1) { + error + ("Unable to extract RFCOMM channel from service record"); + } else { + debug("Connecting on channel %d", ch); + if (bt_rfcomm_connect + (&dev->src, &dev->dst, ch, + rfcomm_connect_cb, dev) < 0) { + error("Unable to connect: %s (%s)", + strerror(-err), -err); + error_connection_attempt_failed + (dev->conn, conn_mes, -err); + gateway_close(dev->gateway); + } + sdp_list_free(classes, free); + sdp_record_free(recs->data); + return; + } + } + } + sdp_list_free(classes, free); + sdp_record_free(recs->data); + error_not_supported(dev->conn, conn_mes); + dbus_message_unref(conn_mes); + dev->gateway->connect_message = NULL; +} + +static int get_records(struct audio_device *device) +{ + uuid_t uuid; + + sdp_uuid16_create(&uuid, HANDSFREE_AGW_SVCLASS_ID); + return bt_search_service(&device->src, &device->dst, &uuid, + get_record_cb, device, NULL); +} + + +static DBusMessage *ag_connect(DBusConnection * conn, DBusMessage * msg, + void *data) +{ + struct audio_device *au_dev = (struct audio_device *) data; + struct gateway *gw = au_dev->gateway; + + if (NULL != gw->rfcomm) { + return g_dbus_create_error(msg, ERROR_INTERFACE + ".AlreadyConnected", + "Already Connected"); + } + + gw->connect_message = dbus_message_ref(msg); + if (get_records(au_dev) < 0) { + dbus_message_unref(gw->connect_message); + return g_dbus_create_error(msg, ERROR_INTERFACE + ".ConnectAttemptFailed", + "Connect Attempt Failed"); + } + return NULL; +} + +static DBusMessage *ag_disconnect(DBusConnection * conn, DBusMessage * msg, + void *data) +{ + struct audio_device *device = data; + struct gateway *gw = device->gateway; + DBusMessage *reply = NULL; + char gw_addr[18]; + + reply = dbus_message_new_method_return(msg); + if (!reply) + return NULL; + + if (NULL == gw->rfcomm) + return g_dbus_create_error(msg, ERROR_INTERFACE + ".NotConnected", + "Device not Connected"); + + gateway_close(gw); + ba2str(&device->dst, gw_addr); + debug("Disconnected from %s, %s", gw_addr, device->path); + + return reply; + +} + +static DBusMessage *ag_is_connected(DBusConnection * conn, + DBusMessage * msg, void *data) +{ + gboolean res = gateway_is_connected((struct audio_device *) data); + DBusMessage *reply = dbus_message_new_method_return(msg); + if (NULL != reply) { + dbus_message_append_args(reply, DBUS_TYPE_BOOLEAN, &res, + DBUS_TYPE_INVALID); + } + return reply; +} + +static DBusMessage *process_ag_reponse(DBusMessage * msg, gchar * response) +{ + DBusMessage *reply; + if (NULL != strstr(response, OK_RESPONSE)) { + reply = dbus_message_new_method_return(msg); + } else { + /* FIXME: some code should be here to processes errors in better fasion */ + debug("AG responded with '%s' to %s method call", response, + dbus_message_get_member(msg)); + reply = + dbus_message_new_error(msg, + ERROR_INTERFACE + ".OperationFailed", + "Operation failed. See log for details"); + } + return reply; +} + +static DBusMessage *process_simple(DBusMessage * msg, + struct audio_device *dev, gchar * data) +{ + struct gateway *gw = dev->gateway; + gchar buf[RFCOMM_BUF_SIZE]; + + rfcomm_stop_watch(dev); + rfcomm_send_and_read(gw, data, buf, strlen(data)); + rfcomm_start_watch(dev); + return process_ag_reponse(msg, buf); +} + +#define AG_ANSWER "ATA\r" + +static DBusMessage *ag_answer(DBusConnection * conn, DBusMessage * msg, + void *data) +{ + return process_simple(msg, (struct audio_device *) data, + AG_ANSWER); +} + +#define AG_CANCEL_CUR "AT+CHUP\r" + +static DBusMessage *ag_cancel_cur(DBusConnection * conn, DBusMessage * msg, + void *data) +{ + return process_simple(msg, (struct audio_device *) data, + AG_CANCEL_CUR); +} + +#define ALLOWED_NUMBER_SYMBOLS "1234567890*#+ABC" /* according to GSM spec */ +#define AG_PLACE_CALL "ATD%s\r" +/* dialing from memory is not supported as headset spec doesn't define a way + to retreive phone memory entries. +*/ +static DBusMessage *ag_call(DBusConnection * conn, DBusMessage * msg, + void *data) +{ + struct audio_device *device = data; + struct gateway *gw = device->gateway; + gchar buf[RFCOMM_BUF_SIZE]; + gchar *number; + gint atd_len; + + dbus_message_get_args(msg, NULL, DBUS_TYPE_STRING, &number, + DBUS_TYPE_INVALID); + if (strlen(number) != strspn(number, ALLOWED_NUMBER_SYMBOLS)) { + return dbus_message_new_error(msg, + ERROR_INTERFACE ".BadNumber", + "Number contains characters which are not allowed"); + } + atd_len = sprintf(buf, AG_PLACE_CALL, number); + rfcomm_stop_watch(device); + rfcomm_send_and_read(gw, buf, buf, atd_len); + rfcomm_start_watch(device); + return process_ag_reponse(msg, buf); +} + +#define AG_GET_CARRIER "AT+COPS?\r" + +static DBusMessage *ag_get_operator(DBusConnection * conn, + DBusMessage * msg, void *data) +{ + struct audio_device *dev = (struct audio_device *) data; + struct gateway *gw = dev->gateway; + gchar buf[RFCOMM_BUF_SIZE]; + GIOChannel *rfcomm = gw->rfcomm; + gsize read; + gchar *result; + DBusMessage *reply; + GIOStatus status; + + rfcomm_stop_watch(dev); + io_channel_write_all(rfcomm, AG_GET_CARRIER, + strlen(AG_GET_CARRIER)); + + status = + g_io_channel_read_chars(rfcomm, buf, RFCOMM_BUF_SIZE - 1, + &read, NULL); + rfcomm_start_watch(dev); + if (G_IO_STATUS_NORMAL == status) { + buf[read] = '\0'; + if (NULL != strstr(buf, "+COPS")) { + result = strrchr(buf, ',') + 1; + reply = dbus_message_new_method_return(msg); + dbus_message_append_args(reply, DBUS_TYPE_STRING, + &result, + DBUS_TYPE_INVALID); + } else { + warn + ("ag_get_operator(): '+COPS' expected but '%s' received", + buf); + reply = + dbus_message_new_error(msg, + ERROR_INTERFACE + ".Failed", + "Unexpected response from AG"); + } + } else { + error("ag_get_operator(): %m"); + reply = + dbus_message_new_error(msg, + ERROR_INTERFACE + ".ConnectionFailed", + "Failed to receive response from AG"); + } + return reply; +} + +#define AG_VR_ACTIVATE "AT+BVRA=1\r" +static DBusMessage *ag_vr_activate(DBusConnection * conn, + DBusMessage * msg, void *data) +{ + return process_simple(msg, (struct audio_device *) data, + AG_VR_ACTIVATE); +} + +#define AG_VR_DEACTIVATE "AT+BVRA=0\r" +static DBusMessage *ag_vr_deactivate(DBusConnection * conn, + DBusMessage * msg, void *data) +{ + return process_simple(msg, (struct audio_device *) data, + AG_VR_DEACTIVATE); +} + +#define AG_REQUEST_NUMBER "AT+BINP=1\r" +static DBusMessage *ag_get_number_for_voice(DBusConnection * conn, + DBusMessage * msg, void *data) +{ + struct audio_device *device = data; + struct gateway *gw = device->gateway; + gchar buf[RFCOMM_BUF_SIZE]; + gchar number[AG_CALLER_NUM_SIZE]; + + rfcomm_stop_watch(device); + rfcomm_send_and_read(gw, AG_REQUEST_NUMBER, buf, + strlen(AG_REQUEST_NUMBER)); + rfcomm_start_watch(device); + if (1 == sscanf(buf, "\r\n+BINP:%s\r\n", number)) { + DBusMessage *reply = dbus_message_new_method_return(msg); + dbus_message_append_args(reply, DBUS_TYPE_STRING, number, + DBUS_TYPE_INVALID); + return reply; + } else { + warn + ("ag_get_number_for_voice(): AG returned '%s' in place of number", + buf); + return dbus_message_new_error(msg, + ERROR_INTERFACE ".Failed", + "AG didn't return a number"); + } +} + +#define AG_SEND_DTMF "AT+VTS:%c\r" +static DBusMessage *ag_send_dtmf(DBusConnection * conn, DBusMessage * msg, + void *data) +{ + struct audio_device *device = data; + struct gateway *gw = device->gateway; + gchar buf[RFCOMM_BUF_SIZE]; + gchar *number; + gint com_len; + + dbus_message_get_args(msg, NULL, DBUS_TYPE_STRING, &number, + DBUS_TYPE_INVALID); + if (strlen(number) != strspn(number, ALLOWED_NUMBER_SYMBOLS)) { + return dbus_message_new_error(msg, + ERROR_INTERFACE ".BadNumber", + "Number contains characters which are not allowed"); + } + gboolean got_ok = TRUE; + gint num_len = strlen(number); + gint i = 0; + rfcomm_stop_watch(device); + while (i < num_len && got_ok) { + com_len = sprintf(buf, AG_SEND_DTMF, number[i]); + rfcomm_send_and_read(gw, buf, buf, com_len); + got_ok = NULL != strstr(buf, OK_RESPONSE); + i += 1; + } + rfcomm_start_watch(device); + return process_ag_reponse(msg, buf); + +} + +#define AG_SET_MIC_GAIN "AT+VGM:%d\r" +static DBusMessage *ag_send_mic_gain(DBusConnection * conn, + DBusMessage * msg, void *data) +{ + gint value; + gchar buf[RFCOMM_BUF_SIZE]; + dbus_message_get_args(msg, NULL, DBUS_TYPE_INT32, &value, + DBUS_TYPE_INVALID); + sprintf(buf, AG_SET_MIC_GAIN, value); + return process_simple(msg, (struct audio_device *) data, buf); +} + + +#define AG_SET_SPEAKER_GAIN "AT+VGS:%d\r" +static DBusMessage *ag_send_speaker_gain(DBusConnection * conn, + DBusMessage * msg, void *data) +{ + gint value; + gchar buf[RFCOMM_BUF_SIZE]; + dbus_message_get_args(msg, NULL, DBUS_TYPE_INT32, &value, + DBUS_TYPE_INVALID); + sprintf(buf, AG_SET_SPEAKER_GAIN, value); + return process_simple(msg, (struct audio_device *) data, buf); +} + +#define AG_GET_SUBSCRIBER_NUMS "AT+CNUM\r" +#define CNUM_LEN 5 /* length of "+CNUM" string */ +#define MAX_NUMBER_CNT 16 +static DBusMessage *ag_get_subscriber_nums(DBusConnection * conn, + DBusMessage * msg, void *data) +{ + struct audio_device *device = data; + struct gateway *gw = device->gateway; + gchar buf[RFCOMM_BUF_SIZE]; + gchar *cur_cnum; + gchar numbers[MAX_NUMBER_CNT][AG_CALLER_NUM_SIZE]; + int number_cnt = 0; + + rfcomm_stop_watch(device); + rfcomm_send_and_read(gw, AG_GET_SUBSCRIBER_NUMS, buf, + strlen(AG_GET_SUBSCRIBER_NUMS)); + rfcomm_start_watch(device); + cur_cnum = strstr(buf, "+CNUM"); + while (NULL != cur_cnum && number_cnt < MAX_NUMBER_CNT) { + sscanf(cur_cnum, "+CNUM:%s,", numbers[number_cnt]); + number_cnt += 1; + cur_cnum = strstr(cur_cnum + CNUM_LEN, "+CNUM"); + } + DBusMessage *reply = dbus_message_new_method_return(msg); + dbus_message_append_args(reply, DBUS_TYPE_ARRAY, DBUS_TYPE_STRING, + &numbers, number_cnt, DBUS_TYPE_INVALID); + return reply; +} + +static DBusMessage *ag_send_audio_data(DBusConnection * conn, + DBusMessage * msg, void *data) +{ + gchar *audio_data; + gint data_byte_cnt; + struct audio_device *dev = (struct audio_device *) data; + struct gateway *gw = dev->gateway; + + dbus_message_get_args(msg, NULL, DBUS_TYPE_ARRAY, DBUS_TYPE_BYTE, + &audio_data, &data_byte_cnt, + DBUS_TYPE_INVALID); + + if (io_channel_write_all(gw->sco, audio_data, data_byte_cnt)) { + return dbus_message_new_method_return(msg); + } else { + error("ag_send_audio_data(): %m"); + return dbus_message_new_error(msg, + ERROR_INTERFACE + ".WriteFailed", + "SCO data send failed"); + } +} + +static DBusMessage *ag_hold_all_but_this(DBusConnection * conn, + DBusMessage * msg, void *data) +{ + +} + +static DBusMessage *ag_cancel_all(DBusConnection * conn, DBusMessage * msg, + void *data) +{ + +} + +static DBusMessage *ag_cancel_spec(DBusConnection * conn, + DBusMessage * msg, void *data) +{ + +} + +static DBusMessage *ag_rah_put_on_hold(DBusConnection * conn, + DBusMessage * msg, void *data) +{ + +} + +static DBusMessage *ag_rah_answer_held_call(DBusConnection * conn, + DBusMessage * msg, void *data) +{ + +} + +static DBusMessage *ag_rah_cancel_held_call(DBusConnection * conn, + DBusMessage * msg, void *data) +{ + +} + +static GDBusMethodTable gateway_methods[] = { + {"Connect", "", "", ag_connect, G_DBUS_METHOD_FLAG_ASYNC} + , {"Disconnect", "", "", ag_disconnect} + , {"IsConnected", "", "b", ag_is_connected} + , {"AnswerCall", "", "", ag_answer} + , {"CancelCurrentCall", "", "", ag_cancel_cur} + , {"Call", "s", "", ag_call} + , {"GetOperatorName", "", "s", ag_get_operator} + , {"VoiceRecognitionActvate", "", "", ag_vr_activate} + , {"VoiceRecognitionDeactvate", "", "", ag_vr_deactivate} + , {"GetNumberForLastVoiceTag", "", "s", ag_get_number_for_voice} + , {"SendDTMF", "s", "", ag_send_dtmf} + , {"SendMicrophoneGain", "y", "", ag_send_mic_gain} + , {"SendSpeakerGain", "y", "", ag_send_speaker_gain} + , {"GetSubscriberNumbers", "", "as", ag_get_subscriber_nums} + + , {"RAHPutOnHold", "", "", ag_rah_put_on_hold} + , {"RAHAnswerHeldCall", "", "", ag_rah_answer_held_call} + , {"RAHCancelHeldCall", "", "", ag_rah_cancel_held_call} + + , {"CancelCallFromNumber", "s", "", ag_cancel_spec} + , {"CancelAllCalls", "", "", ag_cancel_all} + , {"HoldAllButThis", "s", "", ag_hold_all_but_this} + + , {"SendAudioData", "ay", "", ag_send_audio_data} + , {NULL, NULL, NULL, NULL} +}; + +static GDBusSignalTable gateway_signals[] = { + {"Connected", "u"} + , {"Disconnected", ""} + , {"Ring", "s"} + , {"StatusUpdate", "si"} + , {"CallCancelled", ""} + , {"CallStart", ""} + , {"CallEnd", ""} + , {"VoiceRecognitionActive", ""} + , {"VoiceRecognitionInactive", ""} + , {"MicrophoneGain", "y"} + , {"SpeakerGain", "y"} + , {"RAHCallOnHold", ""} + , {"NoCallsHeld", ""} + , {"HoldCalls", ""} + , {"AllCallsHeld", ""} + , {"AudioData", "ay"} + , {NULL, NULL} +}; + +gboolean gateway_is_connected(struct audio_device *dev) +{ + return (NULL == dev) || (NULL == dev->gateway) + || (NULL == dev->gateway->rfcomm); +} + +struct gateway *gateway_init(struct audio_device *dev) +{ + if (!g_dbus_register_interface(dev->conn, dev->path, + AUDIO_GATEWAY_INTERFACE, + gateway_methods, gateway_signals, + NULL, dev, NULL)) { + return NULL; + } + struct gateway *gw = g_new0(struct gateway, 1); + gw->indies = NULL; + gw->is_dialing = FALSE; + return gw; +} + + +int gateway_connect_rfcomm(struct audio_device *dev, GIOChannel * io) +{ + if (!io) + return -EINVAL; + + dev->gateway->rfcomm = io; + + return 0; +} + +static void indicator_slice_free(gpointer mem) +{ + g_slice_free(struct indicator, mem); +} + +int gateway_close(struct gateway *gw) +{ + GIOChannel *rfcomm = gw->rfcomm; + GIOChannel *sco = gw->sco; + GIOChannel *sco_server = gw->sco_server; + g_slist_foreach(gw->indies, (GFunc) indicator_slice_free, NULL); + g_slist_free(gw->indies); + if (rfcomm) { + g_io_channel_close(rfcomm); + g_io_channel_unref(rfcomm); + gw->rfcomm = NULL; + } + + if (sco) { + g_io_channel_close(sco); + g_io_channel_unref(sco); + gw->sco = NULL; + } + + if (sco_server) { + g_io_channel_close(sco_server); + g_io_channel_unref(sco_server); + gw->sco_server = NULL; + } + return 0; +} diff --git a/audio/gateway.h b/audio/gateway.h index 3e44937..68e34a0 100644 --- a/audio/gateway.h +++ b/audio/gateway.h @@ -22,13 +22,23 @@ * */ + + +#ifndef __GATEWAY_H__ +#define __GATEWAY_H__ + +#include "device.h" + #define AUDIO_GATEWAY_INTERFACE "org.bluez.Gateway" #define DEFAULT_HSP_HS_CHANNEL 6 #define DEFAULT_HFP_HS_CHANNEL 7 -int gateway_init(DBusConnection *conn, gboolean disable_hfp, gboolean sco_hci); +struct gateway* gateway_init(struct audio_device *device); + +gboolean gateway_is_connected(struct audio_device* dev); + +int gateway_connect_rfcomm(struct audio_device *dev, GIOChannel *chan); -void gateway_exit(void); +#endif /*__GATEWAY_H__*/ -gboolean gateway_is_enabled(uint16_t svc); diff --git a/audio/manager.c b/audio/manager.c index 453e273..ad13670 100644 --- a/audio/manager.c +++ b/audio/manager.c @@ -91,10 +91,10 @@ struct audio_adapter { char *path; uint32_t hsp_ag_record_id; uint32_t hfp_ag_record_id; - uint32_t hsp_hs_record_id; + uint32_t hfp_hs_record_id; GIOChannel *hsp_ag_server; GIOChannel *hfp_ag_server; - GIOChannel *hsp_hs_server; + GIOChannel *hfp_hs_server; }; static int max_connected_headsets = 1; @@ -132,11 +132,11 @@ gboolean server_is_enabled(bdaddr_t *src, uint16_t svc) case HEADSET_SVCLASS_ID: return enabled.headset; case HEADSET_AGW_SVCLASS_ID: - return enabled.gateway; + return FALSE; case HANDSFREE_SVCLASS_ID: return enabled.headset && enabled.hfp; case HANDSFREE_AGW_SVCLASS_ID: - return FALSE; + return enabled.gateway; case AUDIO_SINK_SVCLASS_ID: return enabled.sink; case AV_REMOTE_TARGET_SVCLASS_ID: @@ -192,6 +192,10 @@ static void handle_uuid(const char *uuidstr, struct audio_device *device) break; case HANDSFREE_AGW_SVCLASS_ID: debug("Found Handsfree AG record"); + if (device->gateway == NULL) { + device->gateway = gateway_init(device); + } + break; case AUDIO_SINK_SVCLASS_ID: debug("Found Audio Sink"); @@ -277,7 +281,7 @@ static sdp_record_t *hsp_ag_record(uint8_t ch) return record; } -static sdp_record_t *hsp_hs_record(uint8_t ch) +static sdp_record_t *hfp_hs_record(uint8_t ch) { sdp_list_t *svclass_id, *pfseq, *apseq, *root; uuid_t root_uuid, svclass_uuid, ga_svclass_uuid; @@ -295,13 +299,13 @@ static sdp_record_t *hsp_hs_record(uint8_t ch) root = sdp_list_append(0, &root_uuid); sdp_set_browse_groups(record, root); - sdp_uuid16_create(&svclass_uuid, HEADSET_SVCLASS_ID); + sdp_uuid16_create(&svclass_uuid, HANDSFREE_SVCLASS_ID); svclass_id = sdp_list_append(0, &svclass_uuid); sdp_uuid16_create(&ga_svclass_uuid, GENERIC_AUDIO_SVCLASS_ID); svclass_id = sdp_list_append(svclass_id, &ga_svclass_uuid); sdp_set_service_classes(record, svclass_id); - sdp_uuid16_create(&profile.uuid, HEADSET_PROFILE_ID); + sdp_uuid16_create(&profile.uuid, HANDSFREE_PROFILE_ID); profile.version = 0x0100; pfseq = sdp_list_append(0, &profile); sdp_set_profile_descs(record, pfseq); @@ -319,7 +323,7 @@ static sdp_record_t *hsp_hs_record(uint8_t ch) aproto = sdp_list_append(0, apseq); sdp_set_access_protos(record, aproto); - sdp_set_info_attr(record, "Headset", 0, 0); + sdp_set_info_attr(record, "Hands-Free", 0, 0); sdp_data_free(channel); sdp_list_free(proto[0], 0); @@ -398,7 +402,7 @@ static sdp_record_t *hfp_ag_record(uint8_t ch, uint32_t feat) return record; } -static void auth_cb(DBusError *derr, void *user_data) +static void headset_auth_cb(DBusError *derr, void *user_data) { struct audio_device *device = user_data; const char *uuid; @@ -479,7 +483,7 @@ static void ag_io_cb(GIOChannel *chan, int err, const bdaddr_t *src, headset_set_state(device, HEADSET_STATE_CONNECT_IN_PROGRESS); err = btd_request_authorization(&device->src, &device->dst, - server_uuid, auth_cb, device); + server_uuid, headset_auth_cb, device); if (err < 0) { debug("Authorization denied: %s", strerror(-err)); headset_set_state(device, HEADSET_STATE_DISCONNECTED); @@ -493,10 +497,49 @@ drop: g_io_channel_unref(chan); } -static void hs_io_cb(GIOChannel *chan, int err, const bdaddr_t *src, + +static void gateway_auth_cb(DBusError *derr, void *user_data) +{ + if (derr && dbus_error_is_set(derr)) { + error("Access denied: %s", derr->message); + } +} + +static void hf_io_cb(GIOChannel *chan, int err, const bdaddr_t *src, const bdaddr_t *dst, void *data) { - /*Stub*/ + struct audio_adapter *adapter = data; + const char *server_uuid, *remote_uuid; + uint16_t svclass; + struct audio_device *device; + + if (err < 0) { + error("accept: %s (%d)", strerror(-err), -err); + return; + } + + server_uuid = HSP_HS_UUID; + remote_uuid = HSP_AG_UUID; + svclass = HEADSET_AGW_SVCLASS_ID; + + device = manager_get_device(src, dst); + if (!device) { + debug("Failed to get device"); + } else if (!device->gateway) { + btd_device_add_uuid(device->btd_dev, remote_uuid); + } else if (gateway_is_connected(device)) { + debug("Refusing new connection since one already exists"); + } else if (0 > btd_request_authorization(&device->src, &device->dst, + server_uuid, gateway_auth_cb, device)) { + debug("Authorization denied!"); + } else if (gateway_connect_rfcomm(device, chan) < 0) { + error("Allocating new GIOChannel failed!"); + } else { + return; + } + + g_io_channel_close(chan); + g_io_channel_unref(chan); return; } @@ -609,26 +652,26 @@ static int gateway_server_init(struct audio_adapter *adapter) if (master) flags |= RFCOMM_LM_MASTER; - adapter->hsp_hs_server = bt_rfcomm_listen(&adapter->src, chan, flags, - hs_io_cb, adapter); - if (!adapter->hsp_hs_server) + adapter->hfp_hs_server = bt_rfcomm_listen(&adapter->src, chan, flags, + hf_io_cb, adapter); + if (!adapter->hfp_hs_server) return -1; - record = hsp_hs_record(chan); + record = hfp_hs_record(chan); if (!record) { error("Unable to allocate new service record"); return -1; } if (add_record_to_server(&adapter->src, record) < 0) { - error("Unable to register HSP HS service record"); + error("Unable to register HFP HS service record"); sdp_record_free(record); - g_io_channel_unref(adapter->hsp_hs_server); - adapter->hsp_hs_server = NULL; + g_io_channel_unref(adapter->hfp_hs_server); + adapter->hfp_hs_server = NULL; return -1; } - adapter->hsp_hs_record_id = record->handle; + adapter->hfp_hs_record_id = record->handle; return 0; } @@ -770,14 +813,14 @@ static void gateway_server_remove(struct btd_adapter *adapter) if (!adp) return; - if (adp->hsp_hs_record_id) { - remove_record_from_server(adp->hsp_hs_record_id); - adp->hsp_hs_record_id = 0; + if (adp->hfp_hs_record_id) { + remove_record_from_server(adp->hfp_hs_record_id); + adp->hfp_hs_record_id = 0; } - if (adp->hsp_hs_server) { - g_io_channel_unref(adp->hsp_hs_server); - adp->hsp_hs_server = NULL; + if (adp->hfp_hs_server) { + g_io_channel_unref(adp->hfp_hs_server); + adp->hfp_hs_server = NULL; } }