upload android base code part6

android/system/netd/server/Network.cpp

@@ -0,0 +1,94 @@
+/*
+ * Copyright (C) 2014 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 "Network.h"
+
+#define LOG_TAG "Netd"
+#include "log/log.h"
+
+#include <android-base/strings.h>
+#include <sstream>
+
+namespace android {
+namespace net {
+
+Network::~Network() {
+    if (!mInterfaces.empty()) {
+        ALOGE("deleting network with netId %u without clearing its interfaces", mNetId);
+    }
+}
+
+unsigned Network::getNetId() const {
+    return mNetId;
+}
+
+bool Network::hasInterface(const std::string& interface) const {
+    return mInterfaces.find(interface) != mInterfaces.end();
+}
+
+const std::set<std::string>& Network::getInterfaces() const {
+    return mInterfaces;
+}
+
+int Network::clearInterfaces() {
+    while (!mInterfaces.empty()) {
+        // Make a copy of the string, so removeInterface() doesn't lose its parameter when it
+        // removes the string from the set.
+        std::string interface = *mInterfaces.begin();
+        if (int ret = removeInterface(interface)) {
+            return ret;
+        }
+    }
+    return 0;
+}
+
+std::string Network::toString() const {
+    const char kSeparator[] = " ";
+    std::stringstream repr;
+
+    repr << mNetId;
+
+    repr << kSeparator;
+    switch (getType()) {
+        case DUMMY:
+            repr << "DUMMY";
+            break;
+        case LOCAL:
+            repr << "LOCAL";
+            break;
+        case PHYSICAL:
+            repr << "PHYSICAL";
+            break;
+        case VIRTUAL:
+            repr << "VIRTUAL";
+            break;
+        default:
+            repr << "unknown";
+    }
+
+    if (mInterfaces.size() > 0) {
+        repr << kSeparator << android::base::Join(mInterfaces, ",");
+    }
+
+    return repr.str();
+}
+
+
+Network::Network(unsigned netId) : mNetId(netId) {
+}
+
+}  // namespace net
+}  // namespace android