1 files changed, 69 insertions, 0 deletions
diff --git a/multinetwork/common.h b/multinetwork/common.h
new file mode 100644
index 00000000..f431ea99
--- /dev/null
+++ b/multinetwork/common.h
@@ -0,0 +1,69 @@
+/*
+ * Copyright (C) 2016 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.
+ */
+
+
+#ifndef SYSTEM_EXTRAS_MULTINETWORK_COMMON_H_
+#define SYSTEM_EXTRAS_MULTINETWORK_COMMON_H_
+
+#include <sys/cdefs.h>
+#include <sys/socket.h>
+#include <unistd.h>
+#include <string>
+#include <android/multinetwork.h>
+
+enum class ApiMode {
+    EXPLICIT,
+    PROCESS,
+};
+
+
+struct Arguments {
+    Arguments() : nethandle(NETWORK_UNSPECIFIED),
+                  api_mode(ApiMode::EXPLICIT),
+                  family(AF_UNSPEC),
+                  arg1(nullptr) {}
+    ~Arguments();
+
+    bool parseArguments(int argc, const char* argv[]);
+
+    net_handle_t nethandle;
+    ApiMode api_mode;
+    sa_family_t family;
+    const char* arg1;
+};
+
+
+void printUsage(const char *progname);
+
+// If port is non-zero returns strings of the form "192.0.2.1:port" or
+// "[2001:db8::1]:port", else it returns the bare IP string literal.
+std::string inetSockaddrToString(const sockaddr* sa);
+
+
+struct FdAutoCloser {
+    FdAutoCloser() : fd(-1) {}
+    /* not explicit */ FdAutoCloser(int fd) : fd(fd) {}
+    ~FdAutoCloser() {
+        if (fd > -1) {
+            close(fd);
+        }
+        fd = -1;
+    }
+
+    int fd;
+};
+
+#endif  // SYSTEM_EXTRAS_MULTINETWORK_COMMON_H_