upload android base code part6

android/system/chre/apps/wifi_offload/scan_params.cc

@@ -0,0 +1,85 @@
+/*
+ * Copyright (C) 2017 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.
+ */
+
+#include "chre/apps/wifi_offload/scan_params.h"
+#include "chre/apps/wifi_offload/channel_histogram.h"
+#include "chre/apps/wifi_offload/vector_serialization.h"
+
+namespace wifi_offload {
+
+ScanParams::ScanParams() : disconnected_mode_scan_interval_ms_(0) {}
+
+bool ScanParams::operator==(const ScanParams &other) const {
+  if (this == &other) {
+    return true;
+  }
+  return ssids_to_scan_ == other.ssids_to_scan_ &&
+         frequencies_to_scan_mhz_ == other.frequencies_to_scan_mhz_ &&
+         disconnected_mode_scan_interval_ms_ ==
+             other.disconnected_mode_scan_interval_ms_;
+}
+
+flatbuffers::Offset<ScanParams::FbsType> ScanParams::Serialize(
+    flatbuffers::FlatBufferBuilder *builder) const {
+  auto ssid_vec = SerializeVector(ssids_to_scan_, builder);
+  auto freq_vec = builder->CreateVector(frequencies_to_scan_mhz_);
+  return fbs::CreateScanParams(*builder, ssid_vec, freq_vec,
+                               disconnected_mode_scan_interval_ms_);
+}
+
+bool ScanParams::Deserialize(const ScanParams::FbsType &fbs_params) {
+  const auto &ssid_vec = fbs_params.ssids_to_scan();
+  if (ssid_vec == nullptr ||
+      !DeserializeVector<Ssid>(*ssid_vec, &ssids_to_scan_)) {
+    LOGE("Failed to deserialize ScanParams. Null or incomplete members.");
+    return false;
+  }
+
+  const auto &freq_vec = fbs_params.frequencies_to_scan_mhz();
+  if (freq_vec == nullptr) {
+    LOGE("Failed to deserialize ScanParams. Null or incomplete members.");
+    return false;
+  }
+  frequencies_to_scan_mhz_.clear();
+  frequencies_to_scan_mhz_.reserve(freq_vec->size());
+  for (const auto &freq : *freq_vec) {
+    if (!ChannelHistogram::IsSupportedFrequency(freq)) {
+      LOGE("Failed to deserialize ScanParams. Invalid frequency to scan.");
+      return false;
+    }
+    frequencies_to_scan_mhz_.push_back(freq);
+  }
+  disconnected_mode_scan_interval_ms_ =
+      fbs_params.disconnected_mode_scan_interval_ms();
+
+  return true;
+}
+
+void ScanParams::Log() const {
+  LOGI("ScanParams:");
+  LOGI("  disconnected mode scan interval (ms): %" PRIu32,
+       disconnected_mode_scan_interval_ms_);
+  LOGI("  number of ssids to scan: %zu", ssids_to_scan_.size());
+  for (const auto &ssid : ssids_to_scan_) {
+    ssid.Log();
+  }
+  LOGI("  number of frequencies to scan: %zu", frequencies_to_scan_mhz_.size());
+  for (const auto &freq : frequencies_to_scan_mhz_) {
+    LOGI("  frequency: %" PRIu32, freq);
+  }
+}
+
+}  // namespace wifi_offload