initial code repo

[stor4nfv.git] / src / ceph / src / msg / async / dpdk / ip_types.h

diff --git a/src/ceph/src/msg/async/dpdk/ip_types.h b/src/ceph/src/msg/async/dpdk/ip_types.h
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+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+/*
+ * This file is open source software, licensed to you under the terms
+ * of the Apache License, Version 2.0 (the "License").  See the NOTICE file
+ * distributed with this work for additional information regarding copyright
+ * ownership.  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.
+ */
+/*
+ * Copyright (C) 2014 Cloudius Systems, Ltd.
+ *
+ */
+/*
+ * Ceph - scalable distributed file system
+ *
+ * Copyright (C) 2015 XSky <haomai@xsky.com>
+ *
+ * Author: Haomai Wang <haomaiwang@gmail.com>
+ *
+ * This is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License version 2.1, as published by the Free Software
+ * Foundation.  See file COPYING.
+ *
+ */
+
+#ifndef CEPH_IP_TYPES_H_H
+#define CEPH_IP_TYPES_H_H
+
+#include <boost/asio/ip/address_v4.hpp>
+#include <string>
+
+class Packet;
+class ethernet_address;
+using resolution_cb = std::function<void (const ethernet_address&, Packet, int)>;
+
+struct ipv4_addr {
+  uint32_t ip;
+  uint16_t port;
+
+  ipv4_addr() : ip(0), port(0) {}
+  ipv4_addr(uint32_t ip, uint16_t port) : ip(ip), port(port) {}
+  ipv4_addr(uint16_t port) : ip(0), port(port) {}
+  ipv4_addr(const std::string &addr);
+  ipv4_addr(const std::string &addr, uint16_t port);
+
+  ipv4_addr(const entity_addr_t &ad) {
+    ip = ntoh(ad.in4_addr().sin_addr.s_addr);
+    port = ad.get_port();
+  }
+
+  ipv4_addr(entity_addr_t &&addr) : ipv4_addr(addr) {}
+};
+
+struct ipv4_address {
+  ipv4_address() : ip(0) {}
+  explicit ipv4_address(uint32_t ip) : ip(ip) {}
+  explicit ipv4_address(const std::string& addr) {
+    ip = static_cast<uint32_t>(boost::asio::ip::address_v4::from_string(addr).to_ulong());
+  }
+  ipv4_address(ipv4_addr addr) {
+    ip = addr.ip;
+  }
+
+  uint32_t ip;
+
+  ipv4_address hton() {
+    ipv4_address addr;
+    addr.ip = ::hton(ip);
+    return addr;
+  }
+  ipv4_address ntoh() {
+    ipv4_address addr;
+    addr.ip = ::ntoh(ip);
+    return addr;
+  }
+
+  friend bool operator==(ipv4_address x, ipv4_address y) {
+    return x.ip == y.ip;
+  }
+  friend bool operator!=(ipv4_address x, ipv4_address y) {
+    return x.ip != y.ip;
+  }
+} __attribute__((packed));
+
+static inline bool is_unspecified(ipv4_address addr) { return addr.ip == 0; }
+
+std::ostream& operator<<(std::ostream& os, const ipv4_address& a);
+
+namespace std {
+
+  template <>
+  struct hash<ipv4_address> {
+    size_t operator()(ipv4_address a) const { return a.ip; }
+  };
+
+}
+
+#endif //CEPH_IP_TYPES_H_H