diff --git a/libs/binder/RpcSocketAddress.h b/libs/binder/RpcSocketAddress.h
new file mode 100644
index 0000000..c6a06cf
--- /dev/null
+++ b/libs/binder/RpcSocketAddress.h
@@ -0,0 +1,122 @@
+/*
+ * Copyright (C) 2021 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.
+ */
+#pragma once
+
+#include <string>
+
+#include <arpa/inet.h>
+#include <netdb.h>
+#include <netinet/in.h>
+#include <sys/socket.h>
+#include <sys/types.h>
+#include <sys/un.h>
+
+#ifdef __BIONIC__
+#include <linux/vm_sockets.h>
+#endif
+
+namespace android {
+
+class RpcSocketAddress {
+public:
+    virtual ~RpcSocketAddress() {}
+    virtual std::string toString() const = 0;
+    virtual const sockaddr* addr() const = 0;
+    virtual size_t addrSize() const = 0;
+};
+
+class UnixSocketAddress : public RpcSocketAddress {
+public:
+    explicit UnixSocketAddress(const char* path) : mAddr({.sun_family = AF_UNIX}) {
+        unsigned int pathLen = strlen(path) + 1;
+        LOG_ALWAYS_FATAL_IF(pathLen > sizeof(mAddr.sun_path), "Socket path is too long: %u %s",
+                            pathLen, path);
+        memcpy(mAddr.sun_path, path, pathLen);
+    }
+    virtual ~UnixSocketAddress() {}
+    std::string toString() const override {
+        return String8::format("path '%.*s'", static_cast<int>(sizeof(mAddr.sun_path)),
+                               mAddr.sun_path)
+                .c_str();
+    }
+    const sockaddr* addr() const override { return reinterpret_cast<const sockaddr*>(&mAddr); }
+    size_t addrSize() const override { return sizeof(mAddr); }
+
+private:
+    sockaddr_un mAddr;
+};
+
+#ifdef __BIONIC__
+
+class VsockSocketAddress : public RpcSocketAddress {
+public:
+    VsockSocketAddress(unsigned int cid, unsigned int port)
+          : mAddr({
+                    .svm_family = AF_VSOCK,
+                    .svm_port = port,
+                    .svm_cid = cid,
+            }) {}
+    virtual ~VsockSocketAddress() {}
+    std::string toString() const override {
+        return String8::format("cid %u port %u", mAddr.svm_cid, mAddr.svm_port).c_str();
+    }
+    const sockaddr* addr() const override { return reinterpret_cast<const sockaddr*>(&mAddr); }
+    size_t addrSize() const override { return sizeof(mAddr); }
+
+private:
+    sockaddr_vm mAddr;
+};
+
+#endif // __BIONIC__
+
+class InetSocketAddress : public RpcSocketAddress {
+public:
+    InetSocketAddress(const sockaddr* sockAddr, size_t size, const char* addr, unsigned int port)
+          : mSockAddr(sockAddr), mSize(size), mAddr(addr), mPort(port) {}
+    [[nodiscard]] std::string toString() const override {
+        return String8::format("%s:%u", mAddr, mPort).c_str();
+    }
+    [[nodiscard]] const sockaddr* addr() const override { return mSockAddr; }
+    [[nodiscard]] size_t addrSize() const override { return mSize; }
+
+    using AddrInfo = std::unique_ptr<addrinfo, decltype(&freeaddrinfo)>;
+    static AddrInfo getAddrInfo(const char* addr, unsigned int port) {
+        addrinfo hint{
+                .ai_flags = 0,
+                .ai_family = AF_UNSPEC,
+                .ai_socktype = SOCK_STREAM,
+                .ai_protocol = 0,
+        };
+        addrinfo* aiStart = nullptr;
+        if (int rc = getaddrinfo(addr, std::to_string(port).data(), &hint, &aiStart); 0 != rc) {
+            ALOGE("Unable to resolve %s:%u: %s", addr, port, gai_strerror(rc));
+            return AddrInfo(nullptr, nullptr);
+        }
+        if (aiStart == nullptr) {
+            ALOGE("Unable to resolve %s:%u: getaddrinfo returns null", addr, port);
+            return AddrInfo(nullptr, nullptr);
+        }
+        return AddrInfo(aiStart, &freeaddrinfo);
+    }
+
+private:
+    const sockaddr* mSockAddr;
+    size_t mSize;
+    const char* mAddr;
+    unsigned int mPort;
+};
+
+} // namespace android