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
191
192
193
194
|
/*
* 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.
*/
#if defined(_MSC_VER)
#pragma warning ( disable: 4231 4251 4275 4786 )
#endif
#include <log4cxx/logstring.h>
#include <log4cxx/helpers/objectoutputstream.h>
#include <log4cxx/helpers/bytebuffer.h>
#include <log4cxx/helpers/outputstream.h>
#include <log4cxx/helpers/charsetencoder.h>
#include "apr_pools.h"
using namespace log4cxx;
using namespace log4cxx::helpers;
IMPLEMENT_LOG4CXX_OBJECT(ObjectOutputStream)
ObjectOutputStream::ObjectOutputStream(OutputStreamPtr outputStream, Pool& p)
: os(outputStream) ,
utf8Encoder(CharsetEncoder::getUTF8Encoder()),
objectHandle(0x7E0000),
classDescriptions(new ClassDescriptionMap())
{
char start[] = { 0xAC, 0xED, 0x00, 0x05 };
ByteBuffer buf(start, sizeof(start));
os->write(buf, p);
}
ObjectOutputStream::~ObjectOutputStream() {
delete classDescriptions;
}
void ObjectOutputStream::close(Pool& p) {
os->close(p);
}
void ObjectOutputStream::flush(Pool& p) {
os->flush(p);
}
void ObjectOutputStream::writeObject(const LogString& val, Pool& p) {
objectHandle++;
writeByte(TC_STRING, p);
char bytes[2];
#if LOG4CXX_LOGCHAR_IS_UTF8
size_t len = val.size();
ByteBuffer dataBuf(const_cast<char*>(val.data()), val.size());
#else
size_t maxSize = 6 * val.size();
char* data = p.pstralloc(maxSize);
ByteBuffer dataBuf(data, maxSize);
LogString::const_iterator iter(val.begin());
utf8Encoder->encode(val, iter, dataBuf);
dataBuf.flip();
size_t len = dataBuf.limit();
#endif
bytes[1] = (char) (len & 0xFF);
bytes[0] = (char) ((len >> 8) & 0xFF);
ByteBuffer lenBuf(bytes, sizeof(bytes));
os->write(lenBuf, p);
os->write(dataBuf, p);
}
void ObjectOutputStream::writeObject(const MDC::Map& val, Pool& p) {
//
// TC_OBJECT and the classDesc for java.util.Hashtable
//
char prolog[] = {
0x72, 0x00, 0x13, 0x6A, 0x61, 0x76, 0x61,
0x2E, 0x75, 0x74, 0x69, 0x6C, 0x2E, 0x48, 0x61,
0x73, 0x68, 0x74, 0x61, 0x62, 0x6C, 0x65, 0x13,
0xBB, 0x0F, 0x25, 0x21, 0x4A, 0xE4, 0xB8, 0x03,
0x00, 0x02, 0x46, 0x00, 0x0A, 0x6C, 0x6F, 0x61,
0x64, 0x46, 0x61, 0x63, 0x74, 0x6F, 0x72, 0x49,
0x00, 0x09, 0x74, 0x68, 0x72, 0x65, 0x73, 0x68,
0x6F, 0x6C, 0x64, 0x78, 0x70 };
writeProlog("java.util.Hashtable", 1, prolog, sizeof(prolog), p);
//
// loadFactor = 0.75, threshold = 5, blockdata start, buckets.size = 7
char data[] = { 0x3F, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x05,
TC_BLOCKDATA, 0x08, 0x00, 0x00, 0x00, 0x07 };
ByteBuffer dataBuf(data, sizeof(data));
os->write(dataBuf, p);
char size[4];
size_t sz = val.size();
size[3] = (char) (sz & 0xFF);
size[2] = (char) ((sz >> 8) & 0xFF);
size[1] = (char) ((sz >> 16) & 0xFF);
size[0] = (char) ((sz >> 24) & 0xFF);
ByteBuffer sizeBuf(size, sizeof(size));
os->write(sizeBuf, p);
for(MDC::Map::const_iterator iter = val.begin();
iter != val.end();
iter++) {
writeObject(iter->first, p);
writeObject(iter->second, p);
}
writeByte(TC_ENDBLOCKDATA, p);
}
void ObjectOutputStream::writeUTFString(const std::string& val, Pool& p) {
char bytes[3];
size_t len = val.size();
ByteBuffer dataBuf(const_cast<char*>(val.data()), val.size());
objectHandle++;
bytes[0] = 0x74;
bytes[1] = (char) ((len >> 8) & 0xFF);
bytes[2] = (char) (len & 0xFF);
ByteBuffer lenBuf(bytes, sizeof(bytes));
os->write(lenBuf, p);
os->write(dataBuf, p);
}
void ObjectOutputStream::writeByte(char val, Pool& p) {
ByteBuffer buf(&val, 1);
os->write(buf, p);
}
void ObjectOutputStream::writeInt(int val, Pool& p) {
char bytes[4];
bytes[3] = (char) (val & 0xFF);
bytes[2] = (char) ((val >> 8) & 0xFF);
bytes[1] = (char) ((val >> 16) & 0xFF);
bytes[0] = (char) ((val >> 24) & 0xFF);
ByteBuffer buf(bytes, sizeof(bytes));
os->write(buf, p);
}
void ObjectOutputStream::writeLong(log4cxx_time_t val, Pool& p) {
char bytes[8];
bytes[7] = (char) (val & 0xFF);
bytes[6] = (char) ((val >> 8) & 0xFF);
bytes[5] = (char) ((val >> 16) & 0xFF);
bytes[4] = (char) ((val >> 24) & 0xFF);
bytes[3] = (char) ((val >> 32) & 0xFF);
bytes[2] = (char) ((val >> 40) & 0xFF);
bytes[1] = (char) ((val >> 48) & 0xFF);
bytes[0] = (char) ((val >> 56) & 0xFF);
ByteBuffer buf(bytes, sizeof(bytes));
os->write(buf, p);
}
void ObjectOutputStream::writeBytes(const char* bytes, size_t len, Pool& p) {
ByteBuffer buf(const_cast<char*>(bytes), len);
os->write(buf, p);
}
void ObjectOutputStream::writeNull(Pool& p) {
writeByte(TC_NULL, p);
}
void ObjectOutputStream::writeProlog(const char* className,
int classDescIncrement,
char* classDesc,
size_t len,
Pool& p) {
ClassDescriptionMap::const_iterator match = classDescriptions->find(className);
if (match != classDescriptions->end()) {
char bytes[6];
bytes[0] = TC_OBJECT;
bytes[1] = TC_REFERENCE;
bytes[2] = (char) ((match->second >> 24) & 0xFF);
bytes[3] = (char) ((match->second >> 16) & 0xFF);
bytes[4] = (char) ((match->second >> 8) & 0xFF);
bytes[5] = (char) (match->second & 0xFF);
ByteBuffer buf(bytes, sizeof(bytes));
os->write(buf, p);
objectHandle++;
} else {
classDescriptions->insert(ClassDescriptionMap::value_type(className, objectHandle));
writeByte(TC_OBJECT, p);
ByteBuffer buf(classDesc, len);
os->write(buf, p);
objectHandle += (classDescIncrement + 1);
}
}
|
