X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=src%2Fceph%2Fsrc%2Fmsg%2Fmsg_types.h;fp=src%2Fceph%2Fsrc%2Fmsg%2Fmsg_types.h;h=5632950f30918f40c0458014790fddc8b2c31dc4;hb=812ff6ca9fcd3e629e49d4328905f33eee8ca3f5;hp=0000000000000000000000000000000000000000;hpb=15280273faafb77777eab341909a3f495cf248d9;p=stor4nfv.git

diff --git a/src/ceph/src/msg/msg_types.h b/src/ceph/src/msg/msg_types.h
new file mode 100644
index 0000000..5632950
--- /dev/null
+++ b/src/ceph/src/msg/msg_types.h
@@ -0,0 +1,570 @@
+// -*- 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