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9f95a23c TL |
1 | // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*- |
2 | // vim: ts=8 sw=2 smarttab | |
3 | ||
f67539c2 | 4 | #include "crimson/common/exception.h" |
9f95a23c TL |
5 | #include "crimson/osd/osdmap_gate.h" |
6 | #include "crimson/osd/shard_services.h" | |
7 | #include "common/Formatter.h" | |
8 | ||
9 | namespace { | |
10 | seastar::logger& logger() { | |
11 | return crimson::get_logger(ceph_subsys_osd); | |
12 | } | |
13 | } | |
14 | ||
15 | namespace crimson::osd { | |
16 | ||
17 | void OSDMapGate::OSDMapBlocker::dump_detail(Formatter *f) const | |
18 | { | |
19 | f->open_object_section("OSDMapGate"); | |
20 | f->dump_int("epoch", epoch); | |
21 | f->close_section(); | |
22 | } | |
23 | ||
24 | blocking_future<epoch_t> OSDMapGate::wait_for_map(epoch_t epoch) | |
25 | { | |
f67539c2 TL |
26 | if (__builtin_expect(stopping, false)) { |
27 | return make_exception_blocking_future<epoch_t>( | |
28 | crimson::common::system_shutdown_exception()); | |
29 | } | |
9f95a23c TL |
30 | if (current >= epoch) { |
31 | return make_ready_blocking_future<epoch_t>(current); | |
32 | } else { | |
33 | logger().info("evt epoch is {}, i have {}, will wait", epoch, current); | |
34 | auto &blocker = waiting_peering.emplace( | |
20effc67 | 35 | epoch, std::make_pair(blocker_type, epoch)).first->second; |
9f95a23c TL |
36 | auto fut = blocker.promise.get_shared_future(); |
37 | if (shard_services) { | |
38 | return blocker.make_blocking_future( | |
39 | (*shard_services).get().osdmap_subscribe(current, true).then( | |
40 | [fut=std::move(fut)]() mutable { | |
41 | return std::move(fut); | |
42 | })); | |
43 | } else { | |
44 | return blocker.make_blocking_future(std::move(fut)); | |
45 | } | |
46 | } | |
47 | } | |
48 | ||
49 | void OSDMapGate::got_map(epoch_t epoch) { | |
50 | current = epoch; | |
51 | auto first = waiting_peering.begin(); | |
52 | auto last = waiting_peering.upper_bound(epoch); | |
53 | std::for_each(first, last, [epoch](auto& blocked_requests) { | |
54 | blocked_requests.second.promise.set_value(epoch); | |
55 | }); | |
56 | waiting_peering.erase(first, last); | |
57 | } | |
58 | ||
f67539c2 TL |
59 | seastar::future<> OSDMapGate::stop() { |
60 | logger().info("osdmap::stop"); | |
61 | stopping = true; | |
62 | auto first = waiting_peering.begin(); | |
63 | auto last = waiting_peering.end(); | |
64 | std::for_each(first, last, [](auto& blocked_requests) { | |
65 | blocked_requests.second.promise.set_exception( | |
66 | crimson::common::system_shutdown_exception()); | |
67 | }); | |
68 | return seastar::now(); | |
69 | } | |
70 | ||
9f95a23c | 71 | } |