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/*
* Copyright (C) 2014 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.internal.telephony;
import java.util.BitSet;
/**
* {@hide}
*
* hardware configuration information reported by the ril layer and for
* use by the telephone framework.
*
* the hardware configuration is managed by the TelephonyDevController
* (aka: the 'TDC').
*
* the hardware resources are:
* - modem: physical entity providing acces technology.
* - sim: physicaly entity providing a slot interface.
*/
public class HardwareConfig {
static final String LOG_TAG = "HardwareConfig";
/**
* hardware configuration kind.
*/
public static final int DEV_HARDWARE_TYPE_MODEM = 0;
public static final int DEV_HARDWARE_TYPE_SIM = 1;
/**
* ril attachment model. if single, there is a one-to-one
* relationship between a modem hardware and a ril daemon.
* if multiple, there is a one-to-many relatioship between a
* modem hardware and several ril simultaneous ril daemons.
*/
public static final int DEV_MODEM_RIL_MODEL_SINGLE = 0;
public static final int DEV_MODEM_RIL_MODEL_MULTIPLE = 1;
/**
* hardware state of the resource.
*
* enabled: the resource can be used by the msim-framework,
* call activity can be handled on it.
* standby: the resource can be used by the msim-framework but
* only for non call related activity. as example:
* reading the address book from a sim device. attempt
* to use this resource for call activity leads to
* undetermined results.
* disabled: the resource cannot be used and attempt to use
* it leads to undetermined results.
*
* by default, all resources are 'enabled', what causes a resource
* to be marked otherwise is a property of the underlying hardware
* knowledge and implementation and it is out of scope of the TDC.
*/
public static final int DEV_HARDWARE_STATE_ENABLED = 0;
public static final int DEV_HARDWARE_STATE_STANDBY = 1;
public static final int DEV_HARDWARE_STATE_DISABLED = 2;
/**
* common hardware configuration.
*
* type - see DEV_HARDWARE_TYPE_
* uuid - unique identifier for this hardware.
* state - see DEV_HARDWARE_STATE_
*/
public int type;
public String uuid;
public int state;
/**
* following is some specific hardware configuration based on the hardware type.
*/
/**
* DEV_HARDWARE_TYPE_MODEM.
*
* rilModel - see DEV_MODEM_RIL_MODEL_
* rat - BitSet value, based on android.telephony.ServiceState
* maxActiveVoiceCall - maximum number of concurent active voice calls.
* maxActiveDataCall - maximum number of concurent active data calls.
* maxStandby - maximum number of concurent standby connections.
*
* note: the maxStandby is not necessarily an equal sum of the maxActiveVoiceCall
* and maxActiveDataCall (nor a derivative of it) since it really depends on the
* modem capability, hence it is left for the hardware to define.
*/
public int rilModel;
public BitSet rat;
public int maxActiveVoiceCall;
public int maxActiveDataCall;
public int maxStandby;
/**
* DEV_HARDWARE_TYPE_SIM.
*
* modemUuid - unique association to a modem for a sim.
*/
public String modemUuid;
/**
* default constructor.
*/
public HardwareConfig(int type) {
this.type = type;
}
/**
* create from a resource string format.
*/
public HardwareConfig(String res) {
String split[] = res.split(",");
type = Integer.parseInt(split[0]);
switch (type) {
case DEV_HARDWARE_TYPE_MODEM: {
assignModem(
split[1].trim(), /* uuid */
Integer.parseInt(split[2]), /* state */
Integer.parseInt(split[3]), /* ril-model */
Integer.parseInt(split[4]), /* rat */
Integer.parseInt(split[5]), /* max-voice */
Integer.parseInt(split[6]), /* max-data */
Integer.parseInt(split[7]) /* max-standby */
);
break;
}
case DEV_HARDWARE_TYPE_SIM: {
assignSim(
split[1].trim(), /* uuid */
Integer.parseInt(split[2]), /* state */
split[3].trim() /* modem-uuid */
);
break;
}
}
}
public void assignModem(String id, int state, int model, int ratBits,
int maxV, int maxD, int maxS) {
if (type == DEV_HARDWARE_TYPE_MODEM) {
char[] bits = Integer.toBinaryString(ratBits).toCharArray();
uuid = id;
this.state = state;
rilModel = model;
rat = new BitSet(bits.length);
for (int i = 0 ; i < bits.length ; i++) {
rat.set(i, (bits[i] == '1' ? true : false));
}
maxActiveVoiceCall = maxV;
maxActiveDataCall = maxD;
maxStandby = maxS;
}
}
public void assignSim(String id, int state, String link) {
if (type == DEV_HARDWARE_TYPE_SIM) {
uuid = id;
modemUuid = link;
this.state = state;
}
}
public String toString() {
StringBuilder builder = new StringBuilder();
if (type == DEV_HARDWARE_TYPE_MODEM) {
builder.append("Modem ");
builder.append("{ uuid=" + uuid);
builder.append(", state=" + state);
builder.append(", rilModel=" + rilModel);
builder.append(", rat=" + rat.toString());
builder.append(", maxActiveVoiceCall=" + maxActiveVoiceCall);
builder.append(", maxActiveDataCall=" + maxActiveDataCall);
builder.append(", maxStandby=" + maxStandby);
builder.append(" }");
} else if (type == DEV_HARDWARE_TYPE_SIM) {
builder.append("Sim ");
builder.append("{ uuid=" + uuid);
builder.append(", modemUuid=" + modemUuid);
builder.append(", state=" + state);
builder.append(" }");
} else {
builder.append("Invalid Configration");
}
return builder.toString();
}
public int compareTo(HardwareConfig hw) {
String one = this.toString();
String two = hw.toString();
return (one.compareTo(two));
}
}
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