upload android base code part6

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

@@ -0,0 +1,79 @@
+/*
+ * 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/ssid.h"
+#include "chre/apps/wifi_offload/utility.h"
+
+namespace wifi_offload {
+
+Ssid::Ssid(const Ssid &other) {
+  SetData(other.ssid_vec_.data(), other.ssid_vec_.size());
+}
+
+void Ssid::SetData(const uint8_t *buff, size_t len) {
+  if (len > kMaxSsidLen) {
+    LOGE("Ssid buffer len %zu larger than max ssid len %zu. Truncating.", len,
+         kMaxSsidLen);
+    len = kMaxSsidLen;
+  }
+
+  ssid_vec_.clear();
+  ssid_vec_.reserve(len);
+  for (size_t i = 0; i < len; i++) {
+    ssid_vec_.push_back(buff[i]);
+  }
+}
+
+bool Ssid::operator==(const Ssid &other) const {
+  return ssid_vec_ == other.ssid_vec_;
+}
+
+flatbuffers::Offset<Ssid::FbsType> Ssid::Serialize(
+    flatbuffers::FlatBufferBuilder *builder) const {
+  return fbs::CreateSsid(*builder, builder->CreateVector(ssid_vec_));
+}
+
+bool Ssid::Deserialize(const Ssid::FbsType &fbs_ssid) {
+  const auto &ssid_vec = fbs_ssid.ssid();
+  if (ssid_vec == nullptr) {
+    LOGE("Failed to deserialize Ssid. Null or incomplete members.");
+    return false;
+  }
+
+  if (ssid_vec->size() > kMaxSsidLen) {
+    LOGE("Failed to deserialize Ssid. Ssid size is larger than max len.");
+    return false;
+  }
+
+  SetData(ssid_vec->data(), ssid_vec->size());
+  return true;
+}
+
+void Ssid::Log() const {
+  utility::LogSsid(ssid_vec_.data(), static_cast<uint8_t>(ssid_vec_.size()));
+}
+
+void Ssid::ToChreWifiSsidListItem(chreWifiSsidListItem *chre_ssid) const {
+  if (chre_ssid == nullptr) {
+    LOGW("Failed to convert to chreWifiSsidListItem. Output pointer is null");
+    return;
+  }
+
+  std::memcpy(chre_ssid->ssid, ssid_vec_.data(), ssid_vec_.size());
+  chre_ssid->ssidLen = static_cast<uint8_t>(ssid_vec_.size());
+}
+
+}  // namespace wifi_offload