Hall Liu | 3258720 | 2015-11-18 11:10:08 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2015 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License |
| 15 | */ |
| 16 | |
| 17 | package com.android.server.telecom; |
| 18 | |
Hall Liu | ecd74a5 | 2016-01-12 15:26:36 -0800 | [diff] [blame] | 19 | import android.os.Parcelable; |
| 20 | import android.telecom.ParcelableCallAnalytics; |
Hall Liu | 3258720 | 2015-11-18 11:10:08 -0800 | [diff] [blame] | 21 | import android.telecom.DisconnectCause; |
| 22 | |
| 23 | import com.android.internal.annotations.VisibleForTesting; |
Hall Liu | ecd74a5 | 2016-01-12 15:26:36 -0800 | [diff] [blame] | 24 | import com.android.internal.telephony.CallerInfo; |
Hall Liu | 3258720 | 2015-11-18 11:10:08 -0800 | [diff] [blame] | 25 | import com.android.internal.util.IndentingPrintWriter; |
| 26 | |
| 27 | import java.util.HashMap; |
| 28 | import java.util.Map; |
| 29 | |
| 30 | /** |
| 31 | * A class that collects and stores data on how calls are being made, in order to |
| 32 | * aggregate these into useful statistics. |
| 33 | */ |
| 34 | public class Analytics { |
| 35 | public static class CallInfo { |
| 36 | void setCallStartTime(long startTime) { |
| 37 | } |
| 38 | |
| 39 | void setCallEndTime(long endTime) { |
| 40 | } |
| 41 | |
| 42 | void setCallIsAdditional(boolean isAdditional) { |
| 43 | } |
| 44 | |
| 45 | void setCallIsInterrupted(boolean isInterrupted) { |
| 46 | } |
| 47 | |
| 48 | void setCallDisconnectCause(DisconnectCause disconnectCause) { |
| 49 | } |
| 50 | |
| 51 | void addCallTechnology(int callTechnology) { |
| 52 | } |
| 53 | |
| 54 | void setCreatedFromExistingConnection(boolean createdFromExistingConnection) { |
| 55 | } |
| 56 | |
| 57 | void setCallConnectionService(String connectionServiceName) { |
| 58 | } |
| 59 | } |
| 60 | |
| 61 | /** |
| 62 | * A class that holds data associated with a call. |
| 63 | */ |
| 64 | @VisibleForTesting |
| 65 | public static class CallInfoImpl extends CallInfo { |
| 66 | public String callId; |
| 67 | public long startTime; // start time in milliseconds since the epoch. 0 if not yet set. |
| 68 | public long endTime; // end time in milliseconds since the epoch. 0 if not yet set. |
| 69 | public int callDirection; // one of UNKNOWN_DIRECTION, INCOMING_DIRECTION, |
| 70 | // or OUTGOING_DIRECTION. |
| 71 | public boolean isAdditionalCall = false; // true if the call came in while another call was |
| 72 | // in progress or if the user dialed this call |
| 73 | // while in the middle of another call. |
| 74 | public boolean isInterrupted = false; // true if the call was interrupted by an incoming |
| 75 | // or outgoing call. |
| 76 | public int callTechnologies; // bitmask denoting which technologies a call used. |
| 77 | |
| 78 | // true if the Telecom Call object was created from an existing connection via |
| 79 | // CallsManager#createCallForExistingConnection, for example, by ImsConference. |
| 80 | public boolean createdFromExistingConnection = false; |
| 81 | |
| 82 | public DisconnectCause callTerminationReason; |
| 83 | public String connectionService; |
| 84 | public boolean isEmergency = false; |
| 85 | |
| 86 | CallInfoImpl(String callId, int callDirection) { |
| 87 | this.callId = callId; |
| 88 | startTime = 0; |
| 89 | endTime = 0; |
| 90 | this.callDirection = callDirection; |
| 91 | callTechnologies = 0; |
| 92 | connectionService = ""; |
| 93 | } |
| 94 | |
| 95 | CallInfoImpl(CallInfoImpl other) { |
| 96 | this.callId = other.callId; |
| 97 | this.startTime = other.startTime; |
| 98 | this.endTime = other.endTime; |
| 99 | this.callDirection = other.callDirection; |
| 100 | this.isAdditionalCall = other.isAdditionalCall; |
| 101 | this.isInterrupted = other.isInterrupted; |
| 102 | this.callTechnologies = other.callTechnologies; |
| 103 | this.createdFromExistingConnection = other.createdFromExistingConnection; |
| 104 | this.connectionService = other.connectionService; |
| 105 | this.isEmergency = other.isEmergency; |
| 106 | |
| 107 | if (other.callTerminationReason != null) { |
| 108 | this.callTerminationReason = new DisconnectCause( |
| 109 | other.callTerminationReason.getCode(), |
| 110 | other.callTerminationReason.getLabel(), |
| 111 | other.callTerminationReason.getDescription(), |
| 112 | other.callTerminationReason.getReason(), |
| 113 | other.callTerminationReason.getTone()); |
| 114 | } else { |
| 115 | this.callTerminationReason = null; |
| 116 | } |
| 117 | } |
| 118 | |
| 119 | @Override |
| 120 | public void setCallStartTime(long startTime) { |
| 121 | Log.d(TAG, "setting startTime for call " + callId + " to " + startTime); |
| 122 | this.startTime = startTime; |
| 123 | } |
| 124 | |
| 125 | @Override |
| 126 | public void setCallEndTime(long endTime) { |
| 127 | Log.d(TAG, "setting endTime for call " + callId + " to " + endTime); |
| 128 | this.endTime = endTime; |
| 129 | } |
| 130 | |
| 131 | @Override |
| 132 | public void setCallIsAdditional(boolean isAdditional) { |
| 133 | Log.d(TAG, "setting isAdditional for call " + callId + " to " + isAdditional); |
| 134 | this.isAdditionalCall = isAdditional; |
| 135 | } |
| 136 | |
| 137 | @Override |
| 138 | public void setCallIsInterrupted(boolean isInterrupted) { |
| 139 | Log.d(TAG, "setting isInterrupted for call " + callId + " to " + isInterrupted); |
| 140 | this.isInterrupted = isInterrupted; |
| 141 | } |
| 142 | |
| 143 | @Override |
| 144 | public void addCallTechnology(int callTechnology) { |
| 145 | Log.d(TAG, "adding callTechnology for call " + callId + ": " + callTechnology); |
| 146 | this.callTechnologies |= callTechnology; |
| 147 | } |
| 148 | |
| 149 | @Override |
| 150 | public void setCallDisconnectCause(DisconnectCause disconnectCause) { |
| 151 | Log.d(TAG, "setting disconnectCause for call " + callId + " to " + disconnectCause); |
| 152 | this.callTerminationReason = disconnectCause; |
| 153 | } |
| 154 | |
| 155 | @Override |
| 156 | public void setCreatedFromExistingConnection(boolean createdFromExistingConnection) { |
| 157 | Log.d(TAG, "setting createdFromExistingConnection for call " + callId + " to " |
| 158 | + createdFromExistingConnection); |
| 159 | this.createdFromExistingConnection = createdFromExistingConnection; |
| 160 | } |
| 161 | |
| 162 | @Override |
| 163 | public void setCallConnectionService(String connectionServiceName) { |
| 164 | Log.d(TAG, "setting connection service for call " + callId + ": " |
| 165 | + connectionServiceName); |
| 166 | this.connectionService = connectionServiceName; |
| 167 | } |
| 168 | |
| 169 | @Override |
| 170 | public String toString() { |
| 171 | return "{\n" |
| 172 | + " startTime: " + startTime + '\n' |
| 173 | + " endTime: " + endTime + '\n' |
| 174 | + " direction: " + getCallDirectionString() + '\n' |
| 175 | + " isAdditionalCall: " + isAdditionalCall + '\n' |
| 176 | + " isInterrupted: " + isInterrupted + '\n' |
| 177 | + " callTechnologies: " + getCallTechnologiesAsString() + '\n' |
| 178 | + " callTerminationReason: " + getCallDisconnectReasonString() + '\n' |
Hall Liu | ecd74a5 | 2016-01-12 15:26:36 -0800 | [diff] [blame] | 179 | + " connectionService: " + connectionService + '\n' |
Hall Liu | 3258720 | 2015-11-18 11:10:08 -0800 | [diff] [blame] | 180 | + "}\n"; |
| 181 | } |
| 182 | |
Hall Liu | ecd74a5 | 2016-01-12 15:26:36 -0800 | [diff] [blame] | 183 | public ParcelableCallAnalytics toParcelableAnalytics() { |
| 184 | // Rounds up to the nearest second. |
| 185 | long callDuration = endTime == 0 ? 0 : endTime - startTime; |
| 186 | callDuration += (callDuration % MILLIS_IN_1_SECOND == 0) ? |
| 187 | 0 : (MILLIS_IN_1_SECOND - callDuration % MILLIS_IN_1_SECOND); |
| 188 | return new ParcelableCallAnalytics( |
| 189 | // rounds down to nearest 5 minute mark |
| 190 | startTime - startTime % ParcelableCallAnalytics.MILLIS_IN_5_MINUTES, |
| 191 | callDuration, |
| 192 | callDirection, |
| 193 | isAdditionalCall, |
| 194 | isInterrupted, |
| 195 | callTechnologies, |
| 196 | callTerminationReason == null ? |
| 197 | ParcelableCallAnalytics.STILL_CONNECTED : |
| 198 | callTerminationReason.getCode(), |
| 199 | isEmergency, |
| 200 | connectionService, |
| 201 | createdFromExistingConnection); |
| 202 | } |
| 203 | |
Hall Liu | 3258720 | 2015-11-18 11:10:08 -0800 | [diff] [blame] | 204 | private String getCallDirectionString() { |
| 205 | switch (callDirection) { |
| 206 | case UNKNOWN_DIRECTION: |
| 207 | return "UNKNOWN"; |
| 208 | case INCOMING_DIRECTION: |
| 209 | return "INCOMING"; |
| 210 | case OUTGOING_DIRECTION: |
| 211 | return "OUTGOING"; |
| 212 | default: |
| 213 | return "UNKNOWN"; |
| 214 | } |
| 215 | } |
| 216 | |
| 217 | private String getCallTechnologiesAsString() { |
| 218 | StringBuilder s = new StringBuilder(); |
| 219 | s.append('['); |
| 220 | if ((callTechnologies & CDMA_PHONE) != 0) s.append("CDMA "); |
| 221 | if ((callTechnologies & GSM_PHONE) != 0) s.append("GSM "); |
| 222 | if ((callTechnologies & SIP_PHONE) != 0) s.append("SIP "); |
| 223 | if ((callTechnologies & IMS_PHONE) != 0) s.append("IMS "); |
| 224 | if ((callTechnologies & THIRD_PARTY_PHONE) != 0) s.append("THIRD_PARTY "); |
| 225 | s.append(']'); |
| 226 | return s.toString(); |
| 227 | } |
| 228 | |
| 229 | private String getCallDisconnectReasonString() { |
| 230 | if (callTerminationReason != null) { |
| 231 | return callTerminationReason.toString(); |
| 232 | } else { |
| 233 | return "NOT SET"; |
| 234 | } |
| 235 | } |
| 236 | } |
| 237 | public static final String TAG = "TelecomAnalytics"; |
| 238 | |
| 239 | // Constants for call direction |
Hall Liu | ecd74a5 | 2016-01-12 15:26:36 -0800 | [diff] [blame] | 240 | public static final int UNKNOWN_DIRECTION = ParcelableCallAnalytics.CALLTYPE_UNKNOWN; |
| 241 | public static final int INCOMING_DIRECTION = ParcelableCallAnalytics.CALLTYPE_INCOMING; |
| 242 | public static final int OUTGOING_DIRECTION = ParcelableCallAnalytics.CALLTYPE_OUTGOING; |
Hall Liu | 3258720 | 2015-11-18 11:10:08 -0800 | [diff] [blame] | 243 | |
| 244 | // Constants for call technology |
Hall Liu | ecd74a5 | 2016-01-12 15:26:36 -0800 | [diff] [blame] | 245 | public static final int CDMA_PHONE = ParcelableCallAnalytics.CDMA_PHONE; |
| 246 | public static final int GSM_PHONE = ParcelableCallAnalytics.GSM_PHONE; |
| 247 | public static final int IMS_PHONE = ParcelableCallAnalytics.IMS_PHONE; |
| 248 | public static final int SIP_PHONE = ParcelableCallAnalytics.SIP_PHONE; |
| 249 | public static final int THIRD_PARTY_PHONE = ParcelableCallAnalytics.THIRD_PARTY_PHONE; |
| 250 | |
| 251 | public static final long MILLIS_IN_1_SECOND = ParcelableCallAnalytics.MILLIS_IN_1_SECOND; |
Hall Liu | 3258720 | 2015-11-18 11:10:08 -0800 | [diff] [blame] | 252 | |
| 253 | private static final Object sLock = new Object(); // Coarse lock for all of analytics |
| 254 | private static final Map<String, CallInfoImpl> sCallIdToInfo = new HashMap<>(); |
| 255 | |
| 256 | public static CallInfo initiateCallAnalytics(String callId, int direction) { |
| 257 | Log.d(TAG, "Starting analytics for call " + callId); |
| 258 | CallInfoImpl callInfo = new CallInfoImpl(callId, direction); |
| 259 | synchronized (sLock) { |
| 260 | sCallIdToInfo.put(callId, callInfo); |
| 261 | } |
| 262 | return callInfo; |
| 263 | } |
| 264 | |
Hall Liu | ecd74a5 | 2016-01-12 15:26:36 -0800 | [diff] [blame] | 265 | public static ParcelableCallAnalytics[] dumpToParcelableAnalytics() { |
| 266 | ParcelableCallAnalytics[] result; |
| 267 | synchronized (sLock) { |
| 268 | result = new ParcelableCallAnalytics[sCallIdToInfo.size()]; |
| 269 | int idx = 0; |
| 270 | for (CallInfoImpl entry : sCallIdToInfo.values()) { |
| 271 | result[idx] = entry.toParcelableAnalytics(); |
| 272 | idx++; |
| 273 | } |
| 274 | sCallIdToInfo.clear(); |
| 275 | } |
| 276 | return result; |
| 277 | } |
| 278 | |
Hall Liu | 3258720 | 2015-11-18 11:10:08 -0800 | [diff] [blame] | 279 | public static void dump(IndentingPrintWriter writer) { |
| 280 | synchronized (sLock) { |
| 281 | for (Map.Entry<String, CallInfoImpl> entry : sCallIdToInfo.entrySet()) { |
| 282 | writer.printf("Call %s: ", entry.getKey()); |
| 283 | writer.println(entry.getValue().toString()); |
| 284 | } |
| 285 | } |
| 286 | } |
| 287 | |
| 288 | public static void reset() { |
| 289 | synchronized (sLock) { |
| 290 | sCallIdToInfo.clear(); |
| 291 | } |
| 292 | } |
| 293 | |
| 294 | /** |
| 295 | * Returns a deep copy of callIdToInfo that's safe to read/write without synchronization |
| 296 | */ |
| 297 | public static Map<String, CallInfoImpl> cloneData() { |
| 298 | synchronized (sLock) { |
| 299 | Map<String, CallInfoImpl> result = new HashMap<>(sCallIdToInfo.size()); |
| 300 | for (Map.Entry<String, CallInfoImpl> entry : sCallIdToInfo.entrySet()) { |
| 301 | result.put(entry.getKey(), new CallInfoImpl(entry.getValue())); |
| 302 | } |
| 303 | return result; |
| 304 | } |
| 305 | } |
| 306 | } |