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7c673cae FG |
1 | // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*- |
2 | // vim: ts=8 sw=2 smarttab | |
3 | ||
7c673cae | 4 | #include <netdb.h> |
7c673cae FG |
5 | |
6 | #include "include/types.h" | |
11fdf7f2 TL |
7 | #include "include/random.h" |
8 | ||
7c673cae FG |
9 | #include "Messenger.h" |
10 | ||
7c673cae | 11 | #include "msg/async/AsyncMessenger.h" |
7c673cae FG |
12 | |
13 | Messenger *Messenger::create_client_messenger(CephContext *cct, string lname) | |
14 | { | |
11fdf7f2 | 15 | std::string public_msgr_type = cct->_conf->ms_public_type.empty() ? cct->_conf.get_val<std::string>("ms_type") : cct->_conf->ms_public_type; |
9f95a23c | 16 | auto nonce = get_random_nonce(); |
7c673cae FG |
17 | return Messenger::create(cct, public_msgr_type, entity_name_t::CLIENT(), |
18 | std::move(lname), nonce, 0); | |
19 | } | |
20 | ||
9f95a23c TL |
21 | uint64_t Messenger::get_pid_nonce() |
22 | { | |
23 | uint64_t nonce = getpid(); | |
7f7e6c64 | 24 | if (nonce == 1 || getenv("CEPH_USE_RANDOM_NONCE")) { |
9f95a23c TL |
25 | // we're running in a container; use a random number instead! |
26 | nonce = ceph::util::generate_random_number<uint64_t>(); | |
27 | } | |
28 | return nonce; | |
29 | } | |
30 | ||
31 | uint64_t Messenger::get_random_nonce() | |
32 | { | |
33 | return ceph::util::generate_random_number<uint64_t>(); | |
34 | } | |
35 | ||
7c673cae FG |
36 | Messenger *Messenger::create(CephContext *cct, const string &type, |
37 | entity_name_t name, string lname, | |
38 | uint64_t nonce, uint64_t cflags) | |
39 | { | |
40 | int r = -1; | |
41 | if (type == "random") { | |
9f95a23c TL |
42 | r = 0; |
43 | //r = ceph::util::generate_random_number(0, 1); | |
7c673cae | 44 | } |
9f95a23c | 45 | if (r == 0 || type.find("async") != std::string::npos) |
7c673cae | 46 | return new AsyncMessenger(cct, name, type, std::move(lname), nonce); |
7c673cae FG |
47 | lderr(cct) << "unrecognized ms_type '" << type << "'" << dendl; |
48 | return nullptr; | |
49 | } | |
50 | ||
11fdf7f2 TL |
51 | /** |
52 | * Get the default crc flags for this messenger. | |
53 | * but not yet dispatched. | |
54 | */ | |
55 | static int get_default_crc_flags(const ConfigProxy&); | |
56 | ||
57 | Messenger::Messenger(CephContext *cct_, entity_name_t w) | |
58 | : trace_endpoint("0.0.0.0", 0, "Messenger"), | |
59 | my_name(w), | |
60 | default_send_priority(CEPH_MSG_PRIO_DEFAULT), | |
61 | started(false), | |
62 | magic(0), | |
63 | socket_priority(-1), | |
64 | cct(cct_), | |
65 | crcflags(get_default_crc_flags(cct->_conf)), | |
66 | auth_registry(cct) | |
67 | { | |
68 | auth_registry.refresh_config(); | |
69 | } | |
70 | ||
7c673cae FG |
71 | void Messenger::set_endpoint_addr(const entity_addr_t& a, |
72 | const entity_name_t &name) | |
73 | { | |
74 | size_t hostlen; | |
75 | if (a.get_family() == AF_INET) | |
76 | hostlen = sizeof(struct sockaddr_in); | |
77 | else if (a.get_family() == AF_INET6) | |
78 | hostlen = sizeof(struct sockaddr_in6); | |
79 | else | |
80 | hostlen = 0; | |
81 | ||
82 | if (hostlen) { | |
83 | char buf[NI_MAXHOST] = { 0 }; | |
84 | getnameinfo(a.get_sockaddr(), hostlen, buf, sizeof(buf), | |
85 | NULL, 0, NI_NUMERICHOST); | |
86 | ||
87 | trace_endpoint.copy_ip(buf); | |
88 | } | |
89 | trace_endpoint.set_port(a.get_port()); | |
90 | } | |
91 | ||
11fdf7f2 TL |
92 | /** |
93 | * Get the default crc flags for this messenger. | |
94 | * but not yet dispatched. | |
95 | * | |
7c673cae FG |
96 | * Pre-calculate desired software CRC settings. CRC computation may |
97 | * be disabled by default for some transports (e.g., those with strong | |
98 | * hardware checksum support). | |
99 | */ | |
11fdf7f2 | 100 | int get_default_crc_flags(const ConfigProxy& conf) |
7c673cae FG |
101 | { |
102 | int r = 0; | |
103 | if (conf->ms_crc_data) | |
104 | r |= MSG_CRC_DATA; | |
105 | if (conf->ms_crc_header) | |
106 | r |= MSG_CRC_HEADER; | |
107 | return r; | |
108 | } | |
11fdf7f2 TL |
109 | |
110 | int Messenger::bindv(const entity_addrvec_t& addrs) | |
111 | { | |
112 | return bind(addrs.legacy_addr()); | |
113 | } | |
114 |