1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
|
// Copyright Verizon Media. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include "storage_api_chain_bm_feed_handler.h"
#include "pending_tracker.h"
#include <vespa/document/fieldvalue/document.h>
#include <vespa/document/update/documentupdate.h>
#include <vespa/storageapi/messageapi/storagemessage.h>
#include <vespa/storageapi/message/persistence.h>
#include <vespa/storageapi/message/state.h>
#include <vespa/storage/common/storagelink.h>
#include <vespa/storage/common/storage_chain_builder.h>
#include <vespa/vespalib/stllike/hash_map.h>
#include <vespa/vespalib/stllike/hash_map.hpp>
#include <vespa/vdslib/state/clusterstate.h>
#include <vespa/vdslib/state/cluster_state_bundle.h>
#include <cassert>
using document::Document;
using document::DocumentId;
using document::DocumentUpdate;
using storage::StorageLink;
namespace feedbm {
namespace {
std::shared_ptr<storage::api::StorageCommand> make_set_cluster_state_cmd() {
storage::lib::ClusterStateBundle bundle(storage::lib::ClusterState("version:2 distributor:1 storage:1"));
auto cmd = std::make_shared<storage::api::SetSystemStateCommand>(bundle);
cmd->setPriority(storage::api::StorageMessage::VERYHIGH);
return cmd;
}
}
class BmStorageLink : public StorageLink
{
std::mutex _mutex;
vespalib::hash_map<uint64_t, PendingTracker *> _pending;
public:
BmStorageLink();
~BmStorageLink() override;
bool onDown(const std::shared_ptr<storage::api::StorageMessage>& msg) override;
bool onUp(const std::shared_ptr<storage::api::StorageMessage>& msg) override;
void retain(uint64_t msg_id, PendingTracker &tracker) {
tracker.retain();
std::lock_guard lock(_mutex);
_pending.insert(std::make_pair(msg_id, &tracker));
}
bool release(uint64_t msg_id) {
PendingTracker *tracker = nullptr;
{
std::lock_guard lock(_mutex);
auto itr = _pending.find(msg_id);
if (itr == _pending.end()) {
return false;
}
tracker = itr->second;
_pending.erase(itr);
}
tracker->release();
return true;
}
};
BmStorageLink::BmStorageLink()
: storage::StorageLink("vespa-bm-feed"),
_mutex(),
_pending()
{
}
BmStorageLink::~BmStorageLink()
{
std::lock_guard lock(_mutex);
assert(_pending.empty());
}
bool
BmStorageLink::onDown(const std::shared_ptr<storage::api::StorageMessage>& msg)
{
(void) msg;
return false;
}
bool
BmStorageLink::onUp(const std::shared_ptr<storage::api::StorageMessage>& msg)
{
return release(msg->getMsgId());
}
class MyStorageChainBuilder : public storage::StorageChainBuilder
{
using Parent = storage::StorageChainBuilder;
public:
MyStorageChainBuilder();
~MyStorageChainBuilder() override;
void add(std::unique_ptr<StorageLink> link) override;
};
BmStorageLink *bm_link = nullptr;
MyStorageChainBuilder::MyStorageChainBuilder()
: storage::StorageChainBuilder()
{
}
MyStorageChainBuilder::~MyStorageChainBuilder() = default;
void
MyStorageChainBuilder::add(std::unique_ptr<StorageLink> link)
{
vespalib::string name = link->getName();
Parent::add(std::move(link));
if (name == "Communication manager") {
auto my_link = std::make_unique<BmStorageLink>();
bm_link = my_link.get();
Parent::add(std::move(my_link));
}
}
StorageApiChainBmFeedHandler::StorageApiChainBmFeedHandler()
: IBmFeedHandler()
{
auto cmd = make_set_cluster_state_cmd();
PendingTracker tracker(1);
send_msg(std::move(cmd), tracker);
tracker.drain();
}
StorageApiChainBmFeedHandler::~StorageApiChainBmFeedHandler() = default;
void
StorageApiChainBmFeedHandler::send_msg(std::shared_ptr<storage::api::StorageCommand> cmd, PendingTracker& pending_tracker)
{
cmd->setSourceIndex(0);
bm_link->retain(cmd->getMsgId(), pending_tracker);
bm_link->sendDown(std::move(cmd));
}
void
StorageApiChainBmFeedHandler::put(const document::Bucket& bucket, std::unique_ptr<Document> document, uint64_t timestamp, PendingTracker& tracker)
{
auto cmd = std::make_unique<storage::api::PutCommand>(bucket, std::move(document), timestamp);
send_msg(std::move(cmd), tracker);
}
void
StorageApiChainBmFeedHandler::update(const document::Bucket& bucket, std::unique_ptr<DocumentUpdate> document_update, uint64_t timestamp, PendingTracker& tracker)
{
auto cmd = std::make_unique<storage::api::UpdateCommand>(bucket, std::move(document_update), timestamp);
send_msg(std::move(cmd), tracker);
}
void
StorageApiChainBmFeedHandler::remove(const document::Bucket& bucket, const DocumentId& document_id, uint64_t timestamp, PendingTracker& tracker)
{
auto cmd = std::make_unique<storage::api::RemoveCommand>(bucket, document_id, timestamp);
send_msg(std::move(cmd), tracker);
}
std::unique_ptr<storage::IStorageChainBuilder>
StorageApiChainBmFeedHandler::get_storage_chain_builder()
{
return std::make_unique<MyStorageChainBuilder>();
}
}
|
