1 /*
2  * Copyright (C) 2017 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 #include <general_test/cell_info_lte.h>
17 
18 namespace general_test {
19 
validateIdentity(const struct chreWwanCellIdentityLte identity)20 bool CellInfoLte::validateIdentity(
21     const struct chreWwanCellIdentityLte identity) {
22   bool valid = false;
23 
24   if (!isBoundedInt32(identity.mcc, 0, 999, INT32_MAX)) {
25     sendFatalFailureInt32(
26         "Invalid LTE Mobile Country Code: %d", identity.mcc);
27   } else if (!isBoundedInt32(identity.mnc, 0, 999, INT32_MAX)) {
28     sendFatalFailureInt32(
29         "Invalid LTE Mobile Network Code: %d", identity.mnc);
30   } else if (!isBoundedInt32(identity.ci, 0, 268435455, INT32_MAX)) {
31     sendFatalFailureInt32("Invalid LTE Cell Identity: %d", identity.ci);
32   } else if (!isBoundedInt32(identity.pci, 0, 503, INT32_MAX)) {
33     sendFatalFailureInt32("Invalid LTE Physical Cell Id: %d", identity.pci);
34   } else if (!isBoundedInt32(identity.tac, 0, 65535, INT32_MAX)) {
35     sendFatalFailureInt32(
36         "Invalid LTE Tracking Area Code: %d", identity.tac);
37   } else if (!isBoundedInt32(identity.earfcn, 0, 262144, INT32_MAX)) {
38     sendFatalFailureInt32("Invalid LTE Absolute RF Channel Number: %d",
39                           identity.earfcn);
40   } else {
41     valid = true;
42   }
43 
44   return valid;
45 }
46 
validateSignalStrength(const struct chreWwanSignalStrengthLte strength)47 bool CellInfoLte::validateSignalStrength(
48     const struct chreWwanSignalStrengthLte strength) {
49   bool valid = false;
50   constexpr int32_t max = INT32_MAX;
51 
52   if (!isBoundedInt32(strength.signalStrength, 0, 31, 99)) {
53     sendFatalFailureInt32("Invalid LTE Signal Strength: %d",
54                           strength.signalStrength);
55   } else if (!isBoundedInt32(strength.rsrp, 44, 140, max)) {
56     sendFatalFailureInt32("Invalid LTE Reference Signal Receive Power: %d",
57                           strength.rsrp);
58   } else if (!isBoundedInt32(strength.rsrq, 3, 20, max)) {
59     sendFatalFailureInt32(
60         "Invalid LTE Reference Signal Receive Quality: %d",
61         strength.rsrq);
62   } else if (!isBoundedInt32(strength.rssnr, -200, 300, max)) {
63     sendFatalFailureInt32(
64         "Invalid LTE Reference Signal Signal-to-noise Ratio: %d",
65         strength.rssnr);
66   } else if (!isBoundedInt32(strength.cqi, 0, 15, max)) {
67     sendFatalFailureInt32("Invalid LTE Channel Quality Indicator: %d",
68                           strength.cqi);
69   } else if (!isBoundedInt32(strength.timingAdvance, 0, max, max)) {
70     sendFatalFailureInt32("Invalid LTE Timing Advance (ms): %d",
71                           strength.timingAdvance);
72   } else {
73     valid = true;
74   }
75 
76   return valid;
77 }
78 
validate(const struct chreWwanCellInfoLte & cell)79 bool CellInfoLte::validate(const struct chreWwanCellInfoLte& cell) {
80   return (validateIdentity(cell.cellIdentityLte)
81           && validateSignalStrength(cell.signalStrengthLte));
82 }
83 
84 } // namespace general_test
85