messagebus/src/vespa/messagebus/routing/routingcontext.cpp


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
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190

// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include "route.h"
#include "routingnode.h"
#include "policydirective.h"
#include <vespa/messagebus/network/inetwork.h>

namespace mbus {

RoutingContext::RoutingContext(RoutingNode &node, uint32_t directive) :
    _node(node),
    _context(),
    _directive(directive),
    _selectOnRetry(true),
    _consumableErrors()
{ }

RoutingContext::~RoutingContext() = default;

bool
RoutingContext::hasRecipients() const
{
    return !_node.getRecipients().empty();
}

uint32_t
RoutingContext::getNumRecipients() const
{
    return _node.getRecipients().size();
}

const Route &
RoutingContext::getRecipient(uint32_t idx) const
{
    return _node.getRecipients()[idx];
}

const std::vector<Route> &
RoutingContext::getAllRecipients() const
{
    return _node.getRecipients();
}

void
RoutingContext::getMatchedRecipients(std::vector<Route> &ret) const
{
    std::set<string> done;
    const std::vector<Route> &recipients = _node.getRecipients();
    const Hop &hop = getHop();
    for (const Route & recipient : recipients)
    {
        if (recipient.hasHops() && hop.matches(recipient.getHop(0))) {
            IHopDirective::SP dir = recipient.getHop(0).getDirectiveSP(_directive);
            string key = dir->toString();
            if (done.find(key) == done.end()) {
                Route add = recipient;
                add.setHop(0, hop);
                add.getHop(0).setDirective(_directive, std::move(dir));
                ret.push_back(std::move(add));
                done.insert(key);
            }
        }
    }
}

const Route &
RoutingContext::getRoute() const
{
    return _node.getRoute();
}

const Hop &
RoutingContext::getHop() const
{
    return _node.getRoute().getHop(0);
}

const PolicyDirective &
RoutingContext::getDirective() const
{
    return static_cast<const PolicyDirective&>(getHop().getDirective(_directive));
}

string
RoutingContext::getHopPrefix() const
{
    return getHop().getPrefix(_directive);
}

string
RoutingContext::getHopSuffix() const
{
    return getHop().getSuffix(_directive);
}

const Message &
RoutingContext::getMessage() const
{
    return _node.getMessage();
}

void
RoutingContext::trace(uint32_t level, const string &note)
{
    _node.getTrace().trace(level, note);
}

const Reply &
RoutingContext::getReply() const
{
    return _node.getReplyRef();
}

RoutingContext &
RoutingContext::setReply(Reply::UP reply)
{
    _node.setReply(std::move(reply));
    return *this;
}

RoutingContext &
RoutingContext::setError(uint32_t code, const string &msg)
{
    _node.setError(code, msg);
    return *this;
}

RoutingContext &
RoutingContext::setError(const Error &err)
{
    _node.setError(err);
    return *this;
}

MessageBus &
RoutingContext::getMessageBus()
{
    return _node.getMessageBus();
}

bool
RoutingContext::hasChildren() const
{
    return !_node.getChildren().empty();
}

uint32_t
RoutingContext::getNumChildren() const
{
    return _node.getChildren().size();
}

RoutingNodeIterator
RoutingContext::getChildIterator()
{
    return RoutingNodeIterator(_node.getChildren());
}

void
RoutingContext::addChild(Route route)
{
    _node.addChild(std::move(route));
}

void
RoutingContext::addChildren(std::vector<Route> routes)
{
    for (auto & route : routes) {
        addChild(std::move(route));
    }
}

const slobrok::api::IMirrorAPI &
RoutingContext::getMirror() const
{
    return _node.getNetwork().getMirror();
}

void
RoutingContext::addConsumableError(uint32_t errorCode)
{
    _consumableErrors.insert(errorCode);
}

bool
RoutingContext::isConsumableError(uint32_t errorCode)
{
    return _consumableErrors.find(errorCode) != _consumableErrors.end();
}

} // namespace mbus