--- /dev/null
+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+/*
+ * Ceph - scalable distributed file system
+ *
+ * Copyright (C) 2004-2006 Sage Weil <sage@newdream.net>
+ *
+ * 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_MSG_TYPES_H
+#define CEPH_MSG_TYPES_H
+
+#include <netinet/in.h>
+
+#include "include/ceph_features.h"
+#include "include/types.h"
+#include "include/blobhash.h"
+#include "include/encoding.h"
+
+namespace ceph {
+ class Formatter;
+}
+
+extern ostream& operator<<(ostream& out, const sockaddr_storage &ss);
+extern ostream& operator<<(ostream& out, const sockaddr *sa);
+
+typedef uint8_t entity_type_t;
+
+class entity_name_t {
+public:
+ entity_type_t _type;
+ int64_t _num;
+
+public:
+ static const int TYPE_MON = CEPH_ENTITY_TYPE_MON;
+ static const int TYPE_MDS = CEPH_ENTITY_TYPE_MDS;
+ static const int TYPE_OSD = CEPH_ENTITY_TYPE_OSD;
+ static const int TYPE_CLIENT = CEPH_ENTITY_TYPE_CLIENT;
+ static const int TYPE_MGR = CEPH_ENTITY_TYPE_MGR;
+
+ static const int64_t NEW = -1;
+
+ // cons
+ entity_name_t() : _type(0), _num(0) { }
+ entity_name_t(int t, int64_t n) : _type(t), _num(n) { }
+ explicit entity_name_t(const ceph_entity_name &n) :
+ _type(n.type), _num(n.num) { }
+
+ // static cons
+ static entity_name_t MON(int64_t i=NEW) { return entity_name_t(TYPE_MON, i); }
+ static entity_name_t MDS(int64_t i=NEW) { return entity_name_t(TYPE_MDS, i); }
+ static entity_name_t OSD(int64_t i=NEW) { return entity_name_t(TYPE_OSD, i); }
+ static entity_name_t CLIENT(int64_t i=NEW) { return entity_name_t(TYPE_CLIENT, i); }
+ static entity_name_t MGR(int64_t i=NEW) { return entity_name_t(TYPE_MGR, i); }
+
+ int64_t num() const { return _num; }
+ int type() const { return _type; }
+ const char *type_str() const {
+ return ceph_entity_type_name(type());
+ }
+
+ bool is_new() const { return num() < 0; }
+
+ bool is_client() const { return type() == TYPE_CLIENT; }
+ bool is_mds() const { return type() == TYPE_MDS; }
+ bool is_osd() const { return type() == TYPE_OSD; }
+ bool is_mon() const { return type() == TYPE_MON; }
+ bool is_mgr() const { return type() == TYPE_MGR; }
+
+ operator ceph_entity_name() const {
+ ceph_entity_name n = { _type, init_le64(_num) };
+ return n;
+ }
+
+ bool parse(const string& s) {
+ const char *start = s.c_str();
+ char *end;
+ bool got = parse(start, &end);
+ return got && end == start + s.length();
+ }
+ bool parse(const char *start, char **end) {
+ if (strstr(start, "mon.") == start) {
+ _type = TYPE_MON;
+ start += 4;
+ } else if (strstr(start, "osd.") == start) {
+ _type = TYPE_OSD;
+ start += 4;
+ } else if (strstr(start, "mds.") == start) {
+ _type = TYPE_MDS;
+ start += 4;
+ } else if (strstr(start, "client.") == start) {
+ _type = TYPE_CLIENT;
+ start += 7;
+ } else if (strstr(start, "mgr.") == start) {
+ _type = TYPE_MGR;
+ start += 4;
+ } else {
+ return false;
+ }
+ if (isspace(*start))
+ return false;
+ _num = strtoll(start, end, 10);
+ if (*end == NULL || *end == start)
+ return false;
+ return true;
+ }
+
+ DENC(entity_name_t, v, p) {
+ denc(v._type, p);
+ denc(v._num, p);
+ }
+ void dump(Formatter *f) const;
+
+ static void generate_test_instances(list<entity_name_t*>& o);
+};
+WRITE_CLASS_DENC(entity_name_t)
+
+inline bool operator== (const entity_name_t& l, const entity_name_t& r) {
+ return (l.type() == r.type()) && (l.num() == r.num()); }
+inline bool operator!= (const entity_name_t& l, const entity_name_t& r) {
+ return (l.type() != r.type()) || (l.num() != r.num()); }
+inline bool operator< (const entity_name_t& l, const entity_name_t& r) {
+ return (l.type() < r.type()) || (l.type() == r.type() && l.num() < r.num()); }
+
+inline std::ostream& operator<<(std::ostream& out, const entity_name_t& addr) {
+ //if (addr.is_namer()) return out << "namer";
+ if (addr.is_new() || addr.num() < 0)
+ return out << addr.type_str() << ".?";
+ else
+ return out << addr.type_str() << '.' << addr.num();
+}
+inline std::ostream& operator<<(std::ostream& out, const ceph_entity_name& addr) {
+ return out << *(const entity_name_t*)&addr;
+}
+
+namespace std {
+ template<> struct hash< entity_name_t >
+ {
+ size_t operator()( const entity_name_t &m ) const
+ {
+ return rjhash32(m.type() ^ m.num());
+ }
+ };
+} // namespace std
+
+/*
+ * an entity's network address.
+ * includes a random value that prevents it from being reused.
+ * thus identifies a particular process instance.
+ * ipv4 for now.
+ */
+
+#if defined(__linux__) || defined(DARWIN) || defined(__FreeBSD__)
+/*
+ * encode sockaddr.ss_family as network byte order
+ */
+static inline void encode(const sockaddr_storage& a, bufferlist& bl) {
+ struct sockaddr_storage ss = a;
+#if defined(DARWIN) || defined(__FreeBSD__)
+ unsigned short *ss_family = reinterpret_cast<unsigned short*>(&ss);
+ *ss_family = htons(a.ss_family);
+#else
+ ss.ss_family = htons(ss.ss_family);
+#endif
+ ::encode_raw(ss, bl);
+}
+static inline void decode(sockaddr_storage& a, bufferlist::iterator& bl) {
+ ::decode_raw(a, bl);
+#if defined(DARWIN) || defined(__FreeBSD__)
+ unsigned short *ss_family = reinterpret_cast<unsigned short *>(&a);
+ a.ss_family = ntohs(*ss_family);
+ a.ss_len = 0;
+#else
+ a.ss_family = ntohs(a.ss_family);
+#endif
+}
+#endif
+
+// define a wire format for sockaddr that matches Linux's.
+struct ceph_sockaddr_storage {
+ __le16 ss_family;
+ __u8 __ss_padding[128 - sizeof(__le16)];
+
+ void encode(bufferlist& bl) const {
+ struct ceph_sockaddr_storage ss = *this;
+ ss.ss_family = htons(ss.ss_family);
+ ::encode_raw(ss, bl);
+ }
+
+ void decode(bufferlist::iterator& bl) {
+ struct ceph_sockaddr_storage ss;
+ ::decode_raw(ss, bl);
+ ss.ss_family = ntohs(ss.ss_family);
+ *this = ss;
+ }
+} __attribute__ ((__packed__));
+WRITE_CLASS_ENCODER(ceph_sockaddr_storage)
+
+struct entity_addr_t {
+ typedef enum {
+ TYPE_NONE = 0,
+ TYPE_LEGACY = 1, ///< legacy msgr1 protocol (ceph jewel and older)
+ TYPE_MSGR2 = 2, ///< msgr2 protocol (new in ceph kraken)
+ } type_t;
+ static const type_t TYPE_DEFAULT = TYPE_LEGACY;
+ static const char *get_type_name(int t) {
+ switch (t) {
+ case TYPE_NONE: return "none";
+ case TYPE_LEGACY: return "legacy";
+ case TYPE_MSGR2: return "msgr2";
+ default: return "???";
+ }
+ };
+
+ __u32 type;
+ __u32 nonce;
+ union {
+ sockaddr sa;
+ sockaddr_in sin;
+ sockaddr_in6 sin6;
+ } u;
+
+ entity_addr_t() : type(0), nonce(0) {
+ memset(&u, 0, sizeof(u));
+ }
+ entity_addr_t(__u32 _type, __u32 _nonce) : type(_type), nonce(_nonce) {
+ memset(&u, 0, sizeof(u));
+ }
+ explicit entity_addr_t(const ceph_entity_addr &o) {
+ type = o.type;
+ nonce = o.nonce;
+ memcpy(&u, &o.in_addr, sizeof(u));
+#if !defined(__FreeBSD__)
+ u.sa.sa_family = ntohs(u.sa.sa_family);
+#endif
+ }
+
+ uint32_t get_type() const { return type; }
+ void set_type(uint32_t t) { type = t; }
+
+ __u32 get_nonce() const { return nonce; }
+ void set_nonce(__u32 n) { nonce = n; }
+
+ int get_family() const {
+ return u.sa.sa_family;
+ }
+ void set_family(int f) {
+ u.sa.sa_family = f;
+ }
+
+ sockaddr_in &in4_addr() {
+ return u.sin;
+ }
+ const sockaddr_in &in4_addr() const{
+ return u.sin;
+ }
+ sockaddr_in6 &in6_addr(){
+ return u.sin6;
+ }
+ const sockaddr_in6 &in6_addr() const{
+ return u.sin6;
+ }
+ const sockaddr *get_sockaddr() const {
+ return &u.sa;
+ }
+ size_t get_sockaddr_len() const {
+ switch (u.sa.sa_family) {
+ case AF_INET:
+ return sizeof(u.sin);
+ case AF_INET6:
+ return sizeof(u.sin6);
+ }
+ return sizeof(u);
+ }
+ bool set_sockaddr(const struct sockaddr *sa)
+ {
+ switch (sa->sa_family) {
+ case AF_INET:
+ memcpy(&u.sin, sa, sizeof(u.sin));
+ break;
+ case AF_INET6:
+ memcpy(&u.sin6, sa, sizeof(u.sin6));
+ break;
+ default:
+ return false;
+ }
+ return true;
+ }
+
+ sockaddr_storage get_sockaddr_storage() const {
+ sockaddr_storage ss;
+ memcpy(&ss, &u, sizeof(u));
+ memset((char*)&ss + sizeof(u), 0, sizeof(ss) - sizeof(u));
+ return ss;
+ }
+
+ void set_in4_quad(int pos, int val) {
+ u.sin.sin_family = AF_INET;
+ unsigned char *ipq = (unsigned char*)&u.sin.sin_addr.s_addr;
+ ipq[pos] = val;
+ }
+ void set_port(int port) {
+ switch (u.sa.sa_family) {
+ case AF_INET:
+ u.sin.sin_port = htons(port);
+ break;
+ case AF_INET6:
+ u.sin6.sin6_port = htons(port);
+ break;
+ default:
+ ceph_abort();
+ }
+ }
+ int get_port() const {
+ switch (u.sa.sa_family) {
+ case AF_INET:
+ return ntohs(u.sin.sin_port);
+ break;
+ case AF_INET6:
+ return ntohs(u.sin6.sin6_port);
+ break;
+ }
+ return 0;
+ }
+
+ operator ceph_entity_addr() const {
+ ceph_entity_addr a;
+ a.type = 0;
+ a.nonce = nonce;
+ a.in_addr = get_sockaddr_storage();
+#if !defined(__FreeBSD__)
+ a.in_addr.ss_family = htons(a.in_addr.ss_family);
+#endif
+ return a;
+ }
+
+ bool probably_equals(const entity_addr_t &o) const {
+ if (get_port() != o.get_port())
+ return false;
+ if (get_nonce() != o.get_nonce())
+ return false;
+ if (is_blank_ip() || o.is_blank_ip())
+ return true;
+ if (memcmp(&u, &o.u, sizeof(u)) == 0)
+ return true;
+ return false;
+ }
+
+ bool is_same_host(const entity_addr_t &o) const {
+ if (u.sa.sa_family != o.u.sa.sa_family)
+ return false;
+ if (u.sa.sa_family == AF_INET)
+ return u.sin.sin_addr.s_addr == o.u.sin.sin_addr.s_addr;
+ if (u.sa.sa_family == AF_INET6)
+ return memcmp(u.sin6.sin6_addr.s6_addr,
+ o.u.sin6.sin6_addr.s6_addr,
+ sizeof(u.sin6.sin6_addr.s6_addr)) == 0;
+ return false;
+ }
+
+ bool is_blank_ip() const {
+ switch (u.sa.sa_family) {
+ case AF_INET:
+ return u.sin.sin_addr.s_addr == INADDR_ANY;
+ case AF_INET6:
+ return memcmp(&u.sin6.sin6_addr, &in6addr_any, sizeof(in6addr_any)) == 0;
+ default:
+ return true;
+ }
+ }
+
+ bool is_ip() const {
+ switch (u.sa.sa_family) {
+ case AF_INET:
+ case AF_INET6:
+ return true;
+ default:
+ return false;
+ }
+ }
+
+ bool parse(const char *s, const char **end = 0);
+
+ void decode_legacy_addr_after_marker(bufferlist::iterator& bl)
+ {
+ __u8 marker;
+ __u16 rest;
+ ::decode(marker, bl);
+ ::decode(rest, bl);
+ type = TYPE_LEGACY;
+ ::decode(nonce, bl);
+ sockaddr_storage ss;
+#if defined(__linux__) || defined(DARWIN) || defined(__FreeBSD__)
+ ::decode(ss, bl);
+#else
+ ceph_sockaddr_storage wireaddr;
+ ::memset(&wireaddr, '\0', sizeof(wireaddr));
+ ::decode(wireaddr, bl);
+ unsigned copysize = MIN(sizeof(wireaddr), sizeof(ss));
+ ::memcpy(&ss, &wireaddr, copysize);
+#endif
+ set_sockaddr((sockaddr*)&ss);
+ }
+
+ // Right now, these only deal with sockaddr_storage that have only family and content.
+ // Apparently on BSD there is also an ss_len that we need to handle; this requires
+ // broader study
+
+ void encode(bufferlist& bl, uint64_t features) const {
+ if ((features & CEPH_FEATURE_MSG_ADDR2) == 0) {
+ ::encode((__u32)0, bl);
+ ::encode(nonce, bl);
+ sockaddr_storage ss = get_sockaddr_storage();
+#if defined(__linux__) || defined(DARWIN) || defined(__FreeBSD__)
+ ::encode(ss, bl);
+#else
+ ceph_sockaddr_storage wireaddr;
+ ::memset(&wireaddr, '\0', sizeof(wireaddr));
+ unsigned copysize = MIN(sizeof(wireaddr), sizeof(ss));
+ // ceph_sockaddr_storage is in host byte order
+ ::memcpy(&wireaddr, &ss, copysize);
+ ::encode(wireaddr, bl);
+#endif
+ return;
+ }
+ ::encode((__u8)1, bl);
+ ENCODE_START(1, 1, bl);
+ ::encode(type, bl);
+ ::encode(nonce, bl);
+ __u32 elen = get_sockaddr_len();
+ ::encode(elen, bl);
+ if (elen) {
+ bl.append((char*)get_sockaddr(), elen);
+ }
+ ENCODE_FINISH(bl);
+ }
+ void decode(bufferlist::iterator& bl) {
+ __u8 marker;
+ ::decode(marker, bl);
+ if (marker == 0) {
+ decode_legacy_addr_after_marker(bl);
+ return;
+ }
+ if (marker != 1)
+ throw buffer::malformed_input("entity_addr_t marker != 1");
+ DECODE_START(1, bl);
+ ::decode(type, bl);
+ ::decode(nonce, bl);
+ __u32 elen;
+ ::decode(elen, bl);
+ if (elen) {
+ bl.copy(elen, (char*)get_sockaddr());
+ }
+ DECODE_FINISH(bl);
+ }
+
+ void dump(Formatter *f) const;
+
+ static void generate_test_instances(list<entity_addr_t*>& o);
+};
+WRITE_CLASS_ENCODER_FEATURES(entity_addr_t)
+
+ostream& operator<<(ostream& out, const entity_addr_t &addr);
+
+inline bool operator==(const entity_addr_t& a, const entity_addr_t& b) { return memcmp(&a, &b, sizeof(a)) == 0; }
+inline bool operator!=(const entity_addr_t& a, const entity_addr_t& b) { return memcmp(&a, &b, sizeof(a)) != 0; }
+inline bool operator<(const entity_addr_t& a, const entity_addr_t& b) { return memcmp(&a, &b, sizeof(a)) < 0; }
+inline bool operator<=(const entity_addr_t& a, const entity_addr_t& b) { return memcmp(&a, &b, sizeof(a)) <= 0; }
+inline bool operator>(const entity_addr_t& a, const entity_addr_t& b) { return memcmp(&a, &b, sizeof(a)) > 0; }
+inline bool operator>=(const entity_addr_t& a, const entity_addr_t& b) { return memcmp(&a, &b, sizeof(a)) >= 0; }
+
+namespace std {
+ template<> struct hash< entity_addr_t >
+ {
+ size_t operator()( const entity_addr_t& x ) const
+ {
+ static blobhash H;
+ return H((const char*)&x, sizeof(x));
+ }
+ };
+} // namespace std
+
+struct entity_addrvec_t {
+ vector<entity_addr_t> v;
+
+ unsigned size() const { return v.size(); }
+ bool empty() const { return v.empty(); }
+
+ void encode(bufferlist& bl, uint64_t features) const;
+ void decode(bufferlist::iterator& bl);
+ void dump(Formatter *f) const;
+ static void generate_test_instances(list<entity_addrvec_t*>& ls);
+};
+WRITE_CLASS_ENCODER_FEATURES(entity_addrvec_t);
+
+/*
+ * a particular entity instance
+ */
+struct entity_inst_t {
+ entity_name_t name;
+ entity_addr_t addr;
+ entity_inst_t() {}
+ entity_inst_t(entity_name_t n, const entity_addr_t& a) : name(n), addr(a) {}
+ // cppcheck-suppress noExplicitConstructor
+ entity_inst_t(const ceph_entity_inst& i) : name(i.name), addr(i.addr) { }
+ entity_inst_t(const ceph_entity_name& n, const ceph_entity_addr &a) : name(n), addr(a) {}
+ operator ceph_entity_inst() {
+ ceph_entity_inst i = {name, addr};
+ return i;
+ }
+
+ void encode(bufferlist& bl, uint64_t features) const {
+ ::encode(name, bl);
+ ::encode(addr, bl, features);
+ }
+ void decode(bufferlist::iterator& bl) {
+ ::decode(name, bl);
+ ::decode(addr, bl);
+ }
+
+ void dump(Formatter *f) const;
+ static void generate_test_instances(list<entity_inst_t*>& o);
+};
+WRITE_CLASS_ENCODER_FEATURES(entity_inst_t)
+
+
+inline bool operator==(const entity_inst_t& a, const entity_inst_t& b) {
+ return a.name == b.name && a.addr == b.addr;
+}
+inline bool operator!=(const entity_inst_t& a, const entity_inst_t& b) {
+ return a.name != b.name || a.addr != b.addr;
+}
+inline bool operator<(const entity_inst_t& a, const entity_inst_t& b) {
+ return a.name < b.name || (a.name == b.name && a.addr < b.addr);
+}
+inline bool operator<=(const entity_inst_t& a, const entity_inst_t& b) {
+ return a.name < b.name || (a.name == b.name && a.addr <= b.addr);
+}
+inline bool operator>(const entity_inst_t& a, const entity_inst_t& b) { return b < a; }
+inline bool operator>=(const entity_inst_t& a, const entity_inst_t& b) { return b <= a; }
+
+namespace std {
+ template<> struct hash< entity_inst_t >
+ {
+ size_t operator()( const entity_inst_t& x ) const
+ {
+ static hash< entity_name_t > H;
+ static hash< entity_addr_t > I;
+ return H(x.name) ^ I(x.addr);
+ }
+ };
+} // namespace std
+
+
+inline ostream& operator<<(ostream& out, const entity_inst_t &i)
+{
+ return out << i.name << " " << i.addr;
+}
+inline ostream& operator<<(ostream& out, const ceph_entity_inst &i)
+{
+ entity_inst_t n = i;
+ return out << n;
+}
+
+#endif
Code Review / stor4nfv.git / blobdiff