blob: 43d388ee7669620a7e40a5cb074d877fa2e8549a (
plain)
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
|
/*
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*
*/
#include "Descriptor.h"
#include "descriptors.h"
#include <qpid/framing/reply_exceptions.h>
#include <map>
namespace qpid {
namespace amqp {
Descriptor::Descriptor(uint64_t code) : type(NUMERIC) { value.code = code; }
Descriptor::Descriptor(const CharSequence& symbol) : type(SYMBOLIC) { value.symbol = symbol; }
bool Descriptor::match(const std::string& symbol, uint64_t code) const
{
switch (type) {
case SYMBOLIC:
return symbol.compare(0, symbol.size(), value.symbol.data, value.symbol.size) == 0;
case NUMERIC:
return code == value.code;
}
return false;
}
size_t Descriptor::getSize() const
{
size_t size = 1/*descriptor indicator*/ + 1/*type code*/;
switch (type) {
case Descriptor::NUMERIC:
if (value.code > 0) size += value.code < 256 ? 1/*encode as byte*/ : 8/*encode as long*/;
//else value will be indicated through ULONG_ZERO typecode
break;
case Descriptor::SYMBOLIC:
size += value.symbol.size < 256? 1/*size field is a byte*/ : 4/*size field is an int*/;
size += value.symbol.size;
break;
}
return size;
}
Descriptor* Descriptor::nest(const Descriptor& d)
{
nested = boost::shared_ptr<Descriptor>(new Descriptor(0));
*nested = d;
return nested.get();
}
namespace {
class DescriptorMap {
typedef std::map<uint64_t, std::string> SymbolMap;
typedef std::map<std::string, uint64_t> CodeMap;
SymbolMap symbols;
CodeMap codes;
public:
DescriptorMap() {
symbols[message::HEADER_CODE] = message::HEADER_SYMBOL;
symbols[message::DELIVERY_ANNOTATIONS_CODE] = message::DELIVERY_ANNOTATIONS_SYMBOL;
symbols[message::MESSAGE_ANNOTATIONS_CODE] = message::MESSAGE_ANNOTATIONS_SYMBOL;
symbols[message::PROPERTIES_CODE] = message::PROPERTIES_SYMBOL;
symbols[message::APPLICATION_PROPERTIES_CODE] = message::APPLICATION_PROPERTIES_SYMBOL;
symbols[message::DATA_CODE] = message::DATA_SYMBOL;
symbols[message::AMQP_SEQUENCE_CODE] = message::AMQP_SEQUENCE_SYMBOL;
symbols[message::AMQP_VALUE_CODE] = message::AMQP_VALUE_SYMBOL;
symbols[message::FOOTER_CODE] = message::FOOTER_SYMBOL;
symbols[message::ACCEPTED_CODE] = message::ACCEPTED_SYMBOL;
symbols[sasl::SASL_MECHANISMS_CODE] = sasl::SASL_MECHANISMS_SYMBOL;
symbols[sasl::SASL_INIT_CODE] = sasl::SASL_INIT_SYMBOL;
symbols[sasl::SASL_CHALLENGE_CODE] = sasl::SASL_CHALLENGE_SYMBOL;
symbols[sasl::SASL_RESPONSE_CODE] = sasl::SASL_RESPONSE_SYMBOL;
symbols[sasl::SASL_OUTCOME_CODE] = sasl::SASL_OUTCOME_SYMBOL;
symbols[filters::LEGACY_DIRECT_FILTER_CODE] = filters::LEGACY_DIRECT_FILTER_SYMBOL;
symbols[filters::LEGACY_TOPIC_FILTER_CODE] = filters::LEGACY_TOPIC_FILTER_SYMBOL;
symbols[filters::LEGACY_HEADERS_FILTER_CODE] = filters::LEGACY_HEADERS_FILTER_SYMBOL;
symbols[filters::SELECTOR_FILTER_CODE] = filters::SELECTOR_FILTER_SYMBOL;
symbols[filters::XQUERY_FILTER_CODE] = filters::XQUERY_FILTER_SYMBOL;
symbols[lifetime_policy::DELETE_ON_CLOSE_CODE] = lifetime_policy::DELETE_ON_CLOSE_SYMBOL;
symbols[lifetime_policy::DELETE_ON_NO_LINKS_CODE] = lifetime_policy::DELETE_ON_NO_LINKS_SYMBOL;
symbols[lifetime_policy::DELETE_ON_NO_MESSAGES_CODE] = lifetime_policy::DELETE_ON_NO_MESSAGES_SYMBOL;
symbols[lifetime_policy::DELETE_ON_NO_LINKS_OR_MESSAGES_CODE] = lifetime_policy::DELETE_ON_NO_LINKS_OR_MESSAGES_SYMBOL;
symbols[transaction::DECLARE_CODE] = transaction::DECLARE_SYMBOL;
symbols[transaction::DISCHARGE_CODE] = transaction::DISCHARGE_SYMBOL;
symbols[transaction::DECLARED_CODE] = transaction::DECLARED_SYMBOL;
symbols[transaction::TRANSACTIONAL_STATE_CODE] = transaction::TRANSACTIONAL_STATE_SYMBOL;
symbols[0] = "unknown-descriptor";
for (SymbolMap::const_iterator i = symbols.begin(); i != symbols.end(); ++i)
codes[i->second] = i->first;
}
std::string operator[](uint64_t code) const {
SymbolMap::const_iterator i = symbols.find(code);
return (i == symbols.end()) ? "unknown-descriptor" : i->second;
}
uint64_t operator[](const std::string& symbol) const {
CodeMap::const_iterator i = codes.find(symbol);
return (i == codes.end()) ? 0 : i->second;
}
};
DescriptorMap DESCRIPTOR_MAP;
}
std::string Descriptor::symbol() const {
switch (type) {
case Descriptor::NUMERIC: return DESCRIPTOR_MAP[value.code];
case Descriptor::SYMBOLIC: return value.symbol.str();
}
assert(0);
return std::string();
}
uint64_t Descriptor::code() const {
switch (type) {
case Descriptor::NUMERIC: return value.code;
case Descriptor::SYMBOLIC: return DESCRIPTOR_MAP[value.symbol.str()];
}
assert(0);
return 0;
}
std::ostream& operator<<(std::ostream& os, const Descriptor& d) {
return os << d.symbol() << "(" << "0x" << std::hex << d.code() << ")";
}
}} // namespace qpid::amqp
|
