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
17 #include "chre/apps/wifi_offload/scan_params.h"
18 #include "chre/apps/wifi_offload/channel_histogram.h"
19 #include "chre/apps/wifi_offload/vector_serialization.h"
20
21 namespace wifi_offload {
22
ScanParams()23 ScanParams::ScanParams() : disconnected_mode_scan_interval_ms_(0) {}
24
operator ==(const ScanParams & other) const25 bool ScanParams::operator==(const ScanParams &other) const {
26 if (this == &other) {
27 return true;
28 }
29 return ssids_to_scan_ == other.ssids_to_scan_ &&
30 frequencies_to_scan_mhz_ == other.frequencies_to_scan_mhz_ &&
31 disconnected_mode_scan_interval_ms_ ==
32 other.disconnected_mode_scan_interval_ms_;
33 }
34
Serialize(flatbuffers::FlatBufferBuilder * builder) const35 flatbuffers::Offset<ScanParams::FbsType> ScanParams::Serialize(
36 flatbuffers::FlatBufferBuilder *builder) const {
37 auto ssid_vec = SerializeVector(ssids_to_scan_, builder);
38 auto freq_vec = builder->CreateVector(frequencies_to_scan_mhz_);
39 return fbs::CreateScanParams(*builder, ssid_vec, freq_vec,
40 disconnected_mode_scan_interval_ms_);
41 }
42
Deserialize(const ScanParams::FbsType & fbs_params)43 bool ScanParams::Deserialize(const ScanParams::FbsType &fbs_params) {
44 const auto &ssid_vec = fbs_params.ssids_to_scan();
45 if (ssid_vec == nullptr ||
46 !DeserializeVector<Ssid>(*ssid_vec, &ssids_to_scan_)) {
47 LOGE("Failed to deserialize ScanParams. Null or incomplete members.");
48 return false;
49 }
50
51 const auto &freq_vec = fbs_params.frequencies_to_scan_mhz();
52 if (freq_vec == nullptr) {
53 LOGE("Failed to deserialize ScanParams. Null or incomplete members.");
54 return false;
55 }
56 frequencies_to_scan_mhz_.clear();
57 frequencies_to_scan_mhz_.reserve(freq_vec->size());
58 for (const auto &freq : *freq_vec) {
59 if (!ChannelHistogram::IsSupportedFrequency(freq)) {
60 LOGE("Failed to deserialize ScanParams. Invalid frequency to scan.");
61 return false;
62 }
63 frequencies_to_scan_mhz_.push_back(freq);
64 }
65 disconnected_mode_scan_interval_ms_ =
66 fbs_params.disconnected_mode_scan_interval_ms();
67
68 return true;
69 }
70
Log() const71 void ScanParams::Log() const {
72 LOGI("ScanParams:");
73 LOGI(" disconnected mode scan interval (ms): %" PRIu32,
74 disconnected_mode_scan_interval_ms_);
75 LOGI(" number of ssids to scan: %zu", ssids_to_scan_.size());
76 for (const auto &ssid : ssids_to_scan_) {
77 ssid.Log();
78 }
79 LOGI(" number of frequencies to scan: %zu", frequencies_to_scan_mhz_.size());
80 for (const auto &freq : frequencies_to_scan_mhz_) {
81 LOGI(" frequency: %" PRIu32, freq);
82 }
83 }
84
85 } // namespace wifi_offload
86