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
|
/*
* Copyright (C) 2010 Tommi Maekitalo
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* As a special exception, you may use this file as part of a free
* software library without restriction. Specifically, if other files
* instantiate templates or use macros or inline functions from this
* file, or you compile this file and link it with other files to
* produce an executable, this file does not by itself cause the
* resulting executable to be covered by the GNU General Public
* License. This exception does not however invalidate any other
* reasons why the executable file might be covered by the GNU Library
* General Public License.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <tnt/mbcomponent.h>
#include <tnt/data.h>
#include <tnt/http.h>
#include <tnt/httpreply.h>
#include <cxxtools/log.h>
#include <cxxtools/convert.h>
#include <cstring>
log_define("tntnet.mbcomponent")
namespace tnt
{
namespace
{
inline bool charpLess(const char* a, const char* b)
{ return std::strcmp(a, b) < 0; }
}
void MbComponent::init(const char* rawData, const char** urls,
const char** mimetypes, const char** ctimes)
{
_rawData = rawData;
_urls = urls;
_mimetypes = mimetypes;
_ctimes = ctimes;
tnt::DataChunks data(rawData);
_compressedData.resize(data.size());
}
unsigned MbComponent::operator() (tnt::HttpRequest& request, tnt::HttpReply& reply, tnt::QueryParams& qparam)
{ return doCall(request, reply, qparam, false); }
unsigned MbComponent::topCall(tnt::HttpRequest& request, tnt::HttpReply& reply, tnt::QueryParams& qparam)
{ return doCall(request, reply, qparam, true); }
unsigned MbComponent::doCall(tnt::HttpRequest& request, tnt::HttpReply& reply, tnt::QueryParams&, bool top)
{
log_trace("MbComponent " << getCompident());
tnt::DataChunks data(_rawData);
unsigned url_idx = 0;
if (_urls)
{
const char* url = request.getPathInfo().c_str();
log_debug("search for \"" << url << '"');
const char** urls_end = _urls + data.size();
const char** it = std::lower_bound(_urls, urls_end, url, charpLess);
if (it == urls_end || std::strcmp(url, *it) != 0)
{
log_debug("file \"" << url << "\" not found");
return DECLINED;
}
url_idx = it - _urls;
log_debug("file \"" << url << "\" found; idx=" << url_idx);
}
if (top)
{
reply.setKeepAliveHeader();
reply.setContentType(_mimetypes[url_idx]);
if (!reply.hasHeader(httpheader::cacheControl))
{
std::string maxAgeStr = request.getArg("maxAge");
unsigned maxAge = maxAgeStr.empty() ? 14400 : cxxtools::convert<unsigned>(maxAgeStr);
reply.setMaxAgeHeader(maxAge);
}
std::string s = request.getHeader(tnt::httpheader::ifModifiedSince);
if (s == _ctimes[url_idx])
return HTTP_NOT_MODIFIED;
reply.setHeader(tnt::httpheader::lastModified, _ctimes[url_idx]);
if (request.getEncoding().accept("gzip"))
{
cxxtools::ReadLock lock(_mutex);
if (_compressedData[url_idx].empty())
{
lock.unlock();
cxxtools::WriteLock wlock(_mutex);
if (_compressedData[url_idx].empty())
{
// check for compression
std::string body(data[url_idx].getData(), data[url_idx].getLength());
log_debug("compress");
if (reply.tryCompress(body))
{
log_info("compressed from " << data[url_idx].getLength() << " to " << body.size());
_compressedData[url_idx] = body;
}
else
{
log_info("not compressed " << data[url_idx].getLength());
_compressedData[url_idx] = "-";
}
}
}
if (_compressedData[url_idx] != "-")
{
log_debug("compressed data found; content size " << data[url_idx].getLength() << " to " << _compressedData[url_idx].size());
reply.setContentLengthHeader(_compressedData[url_idx].size());
reply.setHeader(httpheader::contentEncoding, "gzip");
if (!request.isMethodHEAD())
{
reply.setDirectMode();
reply.out() << _compressedData[url_idx];
}
return HTTP_OK;
}
}
reply.setContentLengthHeader(data.size(url_idx));
if (!request.isMethodHEAD())
{
log_debug("send data");
reply.setDirectMode();
}
}
if (!request.isMethodHEAD())
reply.out() << data[url_idx];
return HTTP_OK;
}
}
|
