Newer
Older
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
#include <stdexcept>
#include <regex>
#include <string>
#include "codec_stack_builder.hh"
#include "http_codec.hh"
#include "loggers.hh"
#include "LibItsHttp_TypesAndValues.hh"
#include "LibItsHttp_MessageBodyTypes.hh"
#include "LibItsHttp_XmlMessageBodyTypes.hh"
int http_codec::encode (const LibItsHttp__TypesAndValues::HttpMessage& msg, OCTETSTRING& data)
{
loggers::get_instance().log_msg(">>> http_codec::encode: ", (const Base_Type&)msg);
TTCN_EncDec::clear_error();
TTCN_Buffer encoding_buffer;
_ec.reset();
int result;
if (msg.ischosen(LibItsHttp__TypesAndValues::HttpMessage::ALT_request)) {
result = encode_request(msg.request(), encoding_buffer);
} else if (msg.ischosen(LibItsHttp__TypesAndValues::HttpMessage::ALT_response)) {
result = encode_response(msg.response(), encoding_buffer);
} else {
loggers::get_instance().warning("http_codec::encode: Unbound HttpMessage");
return -1;
}
data = OCTETSTRING(encoding_buffer.get_len(), encoding_buffer.get_data());
loggers::get_instance().log_msg("<<< http_codec::encode: data=", data);
return result;
}
int http_codec::decode (const OCTETSTRING& data, LibItsHttp__TypesAndValues::HttpMessage& msg, params* params)
{
loggers::get_instance().log_msg(">>> http_codec::decode: data=", data);
TTCN_EncDec::clear_error();
TTCN_Buffer decoding_buffer(data);
loggers::get_instance().log_to_hexa("http_codec::decode: decoding_buffer=", decoding_buffer);
_dc.reset();
_params = params;
// Get the first line (e.g. HTTP/1.1 302 Found or POST / HTTP/1.1)
CHARSTRING message_id;
if (get_line(decoding_buffer, message_id) == -1) {
return -1;
}
loggers::get_instance().log_msg("http_codec::decode: message_id: ", message_id);
// Extract parameters
try {
std::string str(static_cast<const char*>(message_id));
std::regex rgx ("\\s*(\\w+)/");
std::sregex_iterator begin(str.cbegin(), str.cend(), rgx);
std::smatch m = *begin;
loggers::get_instance().log("http_codec::decode: %d - %s", m.size(), m[0].str().c_str());
if (m[0].str().compare("HTTP/") == 0) { // HTTP response
LibItsHttp__TypesAndValues::Response response;
std::regex rgx ("\\s*HTTP/(\\d+)\\.(\\d+)\\s+(\\d+)\\s+([\\w\\s\\t\\v\\f]+)*");
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
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
std::sregex_iterator begin(str.cbegin(), str.cend(), rgx);
std::smatch m = *begin;
loggers::get_instance().log("http_codec::decode: Process response: %d", m.size());
if (m.size() != 5) {
loggers::get_instance().error("http_codec::decode: Unsupported tag");
return -1;
}
response.version__major() = std::stoi(m[1].str().c_str());
response.version__minor() = std::stoi(m[2].str().c_str());
response.statuscode() = std::stoi(m[3].str().c_str());
response.statustext() = CHARSTRING(m[4].str().c_str());
LibItsHttp__TypesAndValues::HeaderLines headers;
decode_headers(decoding_buffer, headers);
response.header() = headers;
loggers::get_instance().log_to_hexa("Before decoding Body: ", decoding_buffer);
LibItsHttp__MessageBodyTypes::HttpMessageBody body;
if (decode_body(decoding_buffer, body) == -1) {
response.body().set_to_omit();
} else {
response.body() = OPTIONAL<LibItsHttp__MessageBodyTypes::HttpMessageBody>(body);
}
msg.response() = response;
} else { // HTTP request
LibItsHttp__TypesAndValues::Request request;
std::regex rgx ("\\s*(\\w+)\\s+(.+)\\s+HTTP/(\\d)\\.(\\d)");
std::sregex_iterator begin(str.cbegin(), str.cend(), rgx);
std::smatch m = *begin;
if (m.size() != 5) {
loggers::get_instance().error("http_codec::decode: Unsupported tag");
return -1;
}
request.method() = CHARSTRING(m[1].str().c_str());
request.uri() = CHARSTRING(m[2].str().c_str());
request.version__major() = std::stoi(m[3].str().c_str());
request.version__minor() = std::stoi(m[4].str().c_str());
LibItsHttp__TypesAndValues::HeaderLines headers;
decode_headers(decoding_buffer, headers);
request.header() = headers;
OPTIONAL<LibItsHttp__MessageBodyTypes::HttpMessageBody> body;
body.set_to_omit();
if (decode_body(decoding_buffer, body) == -1) {
request.body().set_to_omit();
} else {
request.body() = body;
}
msg.request() = request;
}
loggers::get_instance().log_msg("<<< http_codec::decode: ", (const Base_Type&)msg);
return 0;
}
catch(const std::logic_error& e) {
return -1;
}
}
int http_codec::encode_request(const LibItsHttp__TypesAndValues::Request& p_request, TTCN_Buffer& p_encoding_buffer)
{
loggers::get_instance().log_msg(">>> http_codec::encode_request: ", (const Base_Type&)p_request);
const OPTIONAL<LibItsHttp__MessageBodyTypes::HttpMessageBody>& v = p_request.body();
OCTETSTRING os;
if (v.ispresent()) {
const LibItsHttp__MessageBodyTypes::HttpMessageBody& body = static_cast<const LibItsHttp__MessageBodyTypes::HttpMessageBody&>(*v.get_opt_value());
loggers::get_instance().log_msg("http_codec::encode_request: body: ", body);
if (encode_body(body, os) == -1) {
_ec.length = 0;
}
}
// Encode generic part
p_encoding_buffer.put_cs(p_request.method());
p_encoding_buffer.put_c(' ');
p_encoding_buffer.put_cs(p_request.uri());
p_encoding_buffer.put_cs(" HTTP/");
p_encoding_buffer.put_cs(int2str(p_request.version__major()));
p_encoding_buffer.put_c('.');
p_encoding_buffer.put_cs(int2str(p_request.version__minor()));
p_encoding_buffer.put_cs("\r\n");
// Encode headers
const LibItsHttp__TypesAndValues::HeaderLines& headers = p_request.header();
for (int i = 0; i < headers.size_of(); i++) {
const LibItsHttp__TypesAndValues::HeaderLine& header = headers[i];
loggers::get_instance().log_msg("http_codec::encode_request: Processing header ", header.header__name());
p_encoding_buffer.put_cs(header.header__name());
p_encoding_buffer.put_cs(": ");
if (std::string(static_cast<const char*>(header.header__name())).compare("Content-Length") == 0) {
if (_ec.length != 0) {
p_encoding_buffer.put_cs(int2str(_ec.length + 2/*Stand for the last CRLF*/));
} else {
p_encoding_buffer.put_cs("0");
}
_ec.is_content_length_present = 0x01;
} else {
const OPTIONAL<LibItsHttp__TypesAndValues::charstring__list>& o = header.header__value();
if (o.ispresent()) {
const LibItsHttp__TypesAndValues::charstring__list& v = dynamic_cast<const OPTIONAL<LibItsHttp__TypesAndValues::charstring__list> &>(o);
if (v.size_of() > 0) {
loggers::get_instance().log_msg("http_codec::encode_request: Processing value ", v[0]);
p_encoding_buffer.put_cs(v[0]);
int j = 1;
while (j < v.size_of()) {
p_encoding_buffer.put_cs(", ");
loggers::get_instance().log_msg("http_codec::encode_request: Processing value ", v[j]);
p_encoding_buffer.put_cs(v[j]);
j += 1;
} // End of 'while' statement
}
} // else, do not include it
}
p_encoding_buffer.put_cs("\r\n");
} // End of 'for' statement
p_encoding_buffer.put_cs("\r\n");
if (_ec.length != 0) {
p_encoding_buffer.put_os(os);
p_encoding_buffer.put_cs("\r\n");
}
return 0;
}
int http_codec::encode_response (const LibItsHttp__TypesAndValues::Response& p_response, TTCN_Buffer& p_encoding_buffer) {
loggers::get_instance().log_msg(">>> http_codec::encode_response: ", (const Base_Type&)p_response);
const OPTIONAL<LibItsHttp__MessageBodyTypes::HttpMessageBody>& v = p_response.body();
OCTETSTRING os;
if (v.ispresent()) {
const LibItsHttp__MessageBodyTypes::HttpMessageBody& body = static_cast<const LibItsHttp__MessageBodyTypes::HttpMessageBody&>(*v.get_opt_value());
loggers::get_instance().log_msg("http_codec::encode_response: body: ", body);
if (encode_body(body, os) == -1) {
_ec.length = 0;
}
}
// Encode generic part
p_encoding_buffer.put_cs("HTTP/");
p_encoding_buffer.put_cs(int2str(p_response.version__major()));
p_encoding_buffer.put_c('.');
p_encoding_buffer.put_cs(int2str(p_response.version__minor()));
p_encoding_buffer.put_cs(" ");
p_encoding_buffer.put_cs(int2str(p_response.statuscode()));
p_encoding_buffer.put_cs(" ");
if (p_response.statustext().lengthof() != 0) {
p_encoding_buffer.put_cs(p_response.statustext());
}
p_encoding_buffer.put_cs("\r\n");
// Encode headers
const LibItsHttp__TypesAndValues::HeaderLines& headers = p_response.header();
for (int i = 0; i < headers.size_of(); i++) {
const LibItsHttp__TypesAndValues::HeaderLine& header = headers[i];
loggers::get_instance().log_msg("http_codec::encode_response: Processing header ", header.header__name());
p_encoding_buffer.put_cs(header.header__name());
p_encoding_buffer.put_cs(": ");
if (std::string(static_cast<const char*>(header.header__name())).compare("Content-Length") == 0) {
if (_ec.length != 0) {
p_encoding_buffer.put_cs(int2str(_ec.length + 2/*Stand for the last CRLF*/));
} else {
p_encoding_buffer.put_cs("0");
}
_ec.is_content_length_present = 0x01;
} else {
const OPTIONAL<LibItsHttp__TypesAndValues::charstring__list>& o = header.header__value();
if (o.ispresent()) {
const LibItsHttp__TypesAndValues::charstring__list& v = dynamic_cast<const OPTIONAL<LibItsHttp__TypesAndValues::charstring__list> &>(o);
if (v.size_of() > 0) {
loggers::get_instance().log_msg("http_codec::encode_response: Processing value ", v[0]);
p_encoding_buffer.put_cs(v[0]);
int j = 1;
while (j < v.size_of()) {
p_encoding_buffer.put_cs(", ");
loggers::get_instance().log_msg("http_codec::encode_response: Processing value ", v[j]);
p_encoding_buffer.put_cs(v[j]);
j += 1;
} // End of 'while' statement
}
} // else, do not include it
}
p_encoding_buffer.put_cs("\r\n");
} // End of 'for' statement
p_encoding_buffer.put_cs("\r\n");
if (_ec.length != 0) {
p_encoding_buffer.put_os(os);
p_encoding_buffer.put_cs("\r\n");
}
return 0;
}
int http_codec::decode_headers(TTCN_Buffer& decoding_buffer, LibItsHttp__TypesAndValues::HeaderLines& headers) {
loggers::get_instance().log(">>> http_codec::decode_headers");
loggers::get_instance().log_to_hexa("http_codec::decode_headers", decoding_buffer);
CHARSTRING cstr;
int i = 0;
while (true) {
switch(get_line(decoding_buffer, cstr, true)) {
case 0: {
loggers::get_instance().log_msg("http_codec::decode_headers: ", cstr);
LibItsHttp__TypesAndValues::HeaderLine header;
if (decode_header(cstr, header) == -1) {
loggers::get_instance().warning("http_codec::decode_headers: Failed to decode header %s", static_cast<const char*>(cstr));
return -1;
}
headers[i++] = header;
}
break;
case 1:
loggers::get_instance().log_msg("<<< http_codec::decode_headers: ", headers);
return 0;
case -1:
loggers::get_instance().warning("http_codec::decode_headers: Failed to decode headers");
return -1;
} // End of 'switch' statement
} // End of 'while' statement
}
int http_codec::decode_header(CHARSTRING& header_line, LibItsHttp__TypesAndValues::HeaderLine& header) {
loggers::get_instance().log_msg(">>> http_codec::decode_header", header_line);
try {
std::string str(static_cast<const char*>(header_line));
std::regex rgx ("([0-9a-zA-Z-]+)\\:\\s+(.+)(,(.+))*");
std::sregex_iterator begin(str.cbegin(), str.cend(), rgx);
std::smatch m = *begin;
if (m.size() < 5) {
loggers::get_instance().warning("http_codec::decode_header: Failed to decode header %s", str.c_str());
return -1;
}
loggers::get_instance().log("http_codec::decode_header: %d", m.size());
header.header__name() = CHARSTRING(m[1].str().c_str());
LibItsHttp__TypesAndValues::charstring__list v;
for (unsigned int j = 0; j < m.size(); j++) {
if (m[j + 2].str().length() == 0) {
break;
}
v[j] = CHARSTRING(m[j + 2].str().c_str());
} // End of 'for' statement
header.header__value() = OPTIONAL<LibItsHttp__TypesAndValues::charstring__list>(v);
if (m[1].str().compare("Content-Length") == 0) {
// Save the the body length
loggers::get_instance().log("http_codec::decode_header: decoded Content-Length %s", m[2].str().c_str());
_dc.length = std::stoi(m[2].str());
}
return 0;
}
catch(const std::logic_error& e) {
return -1;
}
}
int http_codec::encode_body(const LibItsHttp__MessageBodyTypes::HttpMessageBody& p_message_body, OCTETSTRING& p_encoding_buffer) {
loggers::get_instance().log_msg(">>> http_codec::encode_body: ", (const Base_Type&)p_message_body);
loggers::get_instance().log("http_codec::encode_body: # of codecs=%d", _codecs.size());
if (p_message_body.ischosen(LibItsHttp__MessageBodyTypes::HttpMessageBody::ALT_binary__body)) {
p_encoding_buffer = p_message_body.binary__body().raw();
} else if (p_message_body.ischosen(LibItsHttp__MessageBodyTypes::HttpMessageBody::ALT_html__body)) {
p_encoding_buffer = OCTETSTRING(p_message_body.html__body().lengthof(), (unsigned char*)static_cast<const char*>(p_message_body.html__body()));
} else if (p_message_body.ischosen(LibItsHttp__MessageBodyTypes::HttpMessageBody::ALT_text__body)) {
p_encoding_buffer = OCTETSTRING(p_message_body.text__body().lengthof(), (unsigned char*)static_cast<const char*>(p_message_body.text__body()));
} else if (p_message_body.ischosen(LibItsHttp__MessageBodyTypes::HttpMessageBody::ALT_xml__body)) {
const LibItsHttp__XmlMessageBodyTypes::XmlBody& xml_body = p_message_body.xml__body();
if (xml_body.ischosen(LibItsHttp__XmlMessageBodyTypes::XmlBody::ALT_raw)) {
p_encoding_buffer = OCTETSTRING(xml_body.raw().lengthof(), (unsigned char*)static_cast<const char*>(xml_body.raw()));
} else {
std::map<std::string, std::unique_ptr<codec<Record_Type, Record_Type> > >::const_iterator it = _codecs.find("held");
if (it != _codecs.cend()) {
loggers::get_instance().log("http_codec::encode_body: Call 'held_codec'");
_codecs["held"]->encode((Record_Type&)xml_body, p_encoding_buffer);
} else {
loggers::get_instance().warning("http_codec::encode_body: Unsupported HTTP codec, use raw field as default");
p_encoding_buffer = OCTETSTRING(xml_body.raw().lengthof(), (unsigned char*)static_cast<const char*>(xml_body.raw()));
// TODO Add new HTTP message codec here
}
}
} else {
loggers::get_instance().warning("http_codec::encode_body: Failed to encode HTTP message body");
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
return -1;
}
loggers::get_instance().log_msg("http_codec::encode_body: HTTP message ", p_encoding_buffer);
_ec.length = p_encoding_buffer.lengthof();
loggers::get_instance().log("http_codec::encode_body: HTTP message length: %d", _ec.length);
return 0;
}
int http_codec::decode_body(TTCN_Buffer& decoding_buffer, LibItsHttp__MessageBodyTypes::HttpMessageBody& message_body) {
loggers::get_instance().log(">>> http_codec::decode_body");
loggers::get_instance().log_to_hexa("http_codec::decode_body", decoding_buffer);
loggers::get_instance().log("http_codec::decode_body: # of codecs=%d", _codecs.size());
// Sanity check
if (decoding_buffer.get_len() - decoding_buffer.get_pos() <= 0) {
return -1;
}
OCTETSTRING s(decoding_buffer.get_len() - decoding_buffer.get_pos(), decoding_buffer.get_data() + decoding_buffer.get_pos());
loggers::get_instance().log_msg("http_codec::decode_body: raw body=", s);
// Align the payload length with the specified Content-lenght value
loggers::get_instance().log("http_codec::decode_body: _dc.length=%d - body length=%d", _dc.length, s.lengthof());
OCTETSTRING body;
if (_dc.length != 0) {
const unsigned char* p = static_cast<const unsigned char *>(s);
if ((unsigned int)s.lengthof() <= _dc.length) {
body = OCTETSTRING(s.lengthof(), p);
} else {
body = OCTETSTRING(_dc.length, p);
}
} else {
loggers::get_instance().warning("http_codec::decode_body: No Conten-Length header, process all remaining bytes");
body = s;
}
loggers::get_instance().log_msg("http_codec::decode_body: Aligned body=", body);
// Remove CRLF if any
int counter = 0;
if ((body[body.lengthof() - 1].get_octet() == 0x0d) || (body[body.lengthof() - 1].get_octet() == 0x0a)) {
counter += 1;
if ((body[body.lengthof() - 2].get_octet() == 0x0d) || (body[body.lengthof() - 2].get_octet() == 0x0a)) {
counter += 1;
}
}
loggers::get_instance().log("http_codec::decode_body: Counter=%d", counter);
body = OCTETSTRING(body.lengthof() - counter, static_cast<const unsigned char*>(body));
loggers::get_instance().log_msg("http_codec::decode_body: Finalised body=", body);
// Check if HTTP message body contains binary characters
for (int i = 0; i < body.lengthof(); i++) {
unsigned char c = body[i].get_octet();
if (!std::isprint(c) && !std::isspace(c) && !std::ispunct(c)) {
loggers::get_instance().log("http_codec::decode_body: Byte #%d is not printable: 0x%02x", i, body[i].get_octet());
_dc.is_binary = 0x01;
break;
}
} // End of 'for' statement
loggers::get_instance().log("http_codec::decode_body: Binary mode: %x", _dc.is_binary);
LibItsHttp__MessageBodyTypes::HttpMessageBody v;
if (_dc.is_binary == 0x01) {
LibItsHttp__BinaryMessageBodyTypes::BinaryBody bb;
bb.raw() = body;
message_body.binary__body() = bb;
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
} else {
// Convert into string
params p;
p["decode_str"] = std::string(static_cast<const unsigned char*>(body), body.lengthof() + static_cast<const unsigned char*>(body));
// Try to identify xml
if (p["decode_str"].find("<?xml version=") != std::string::npos) {
loggers::get_instance().log("http_codec::decode_body: Find xml message");
LibItsHttp__XmlMessageBodyTypes::XmlBody xml_body;
// TODO To be refined adding a string identifier to check which codec to use. E.g. held_code.id() returns "xmlns=\"urn:ietf:params:xml:ns:geopriv:held\">"
if (p["decode_str"].find("xmlns=\"urn:ietf:params:xml:ns:geopriv:held\">") != std::string::npos) {
loggers::get_instance().log("http_codec::decode_body: Find 'urn:ietf:params:xml:ns:geopriv:held'");
if (_codecs["held"].get() != nullptr) {
loggers::get_instance().log("http_codec::decode_body: Call 'held_codec'");
if (_codecs["held"]->decode(body, (Record_Type&)xml_body, &p) == -1) {
loggers::get_instance().warning("http_codec::decode_body: Failed to decode HELD message");
xml_body.raw() = CHARSTRING(body.lengthof(), (char*)static_cast<const unsigned char*>(body));
} else {
loggers::get_instance().log_msg("http_codec::decode_body: Decoded message:", xml_body);
message_body.xml__body() = xml_body;
}
} else {
loggers::get_instance().warning("http_codec::decode_body: No codec for HELD");
xml_body.raw() = CHARSTRING(body.lengthof(), (char*)static_cast<const unsigned char*>(body));
}
message_body.xml__body() = xml_body;
}
} else if (p["decode_str"].find("<html>") != std::string::npos) { // Try to identify HTML
loggers::get_instance().log("http_codec::decode_body: Find html message");
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
loggers::get_instance().error("http_codec::decode_body: Not supported");
} else {
loggers::get_instance().log("http_codec::decode_body: Use textBdy as default");
LibItsHttp__MessageBodyTypes::TextBody text_body;
message_body.text__body() = CHARSTRING(body.lengthof(), (char*)static_cast<const unsigned char*>(body));
}
}
return 0;
}
int http_codec::get_line(TTCN_Buffer& buffer, CHARSTRING& to, const bool concatenate_header_lines) {
unsigned int i = 0;
const unsigned char *cc_to = buffer.get_read_data();
// Sanity checks
if(buffer.get_read_len() == 0) {
return -1;
}
while (true) {
// Skip spaces, and empty lines
for( ; i < buffer.get_read_len() && cc_to[i] != '\0' && cc_to[i] != '\r' && cc_to[i] != '\n'; i++);
if(i >= buffer.get_read_len()) { // No more characters to process
to = CHARSTRING("");
return -1;
} else if(cc_to[i] == '\n') { // New line found, we don't care is '\r' is missing
if ((i > 0) && ((i + 1) < buffer.get_read_len()) && concatenate_header_lines && ((cc_to[i + 1] == ' ') || (cc_to[i + 1] == '\t'))) {
i += 1; // Skip it
} else {
to = CHARSTRING(i, (const char*)cc_to);
buffer.set_pos(buffer.get_pos() + i + 1);
return i == 0 ? 1 : 0;
}
} else {
if ((i + 1) < buffer.get_read_len() && cc_to[i + 1] != '\n') {
return -1;
} else if(i > 0 && (i + 2) < buffer.get_read_len() && concatenate_header_lines && (cc_to[i+2] == ' ' || cc_to[i+2] == '\t')) {
i += 2;
} else {
to = CHARSTRING(i, (const char*)cc_to);
buffer.set_pos(buffer.get_pos() + i + 2);
return i == 0 ? 1 : 0;
}
}
} // End of 'while' statement
}
void http_codec::set_payload_codecs(const std::string& p_codecs) {
loggers::get_instance().log(">>> http_codec::set_payload_codecs: %s", p_codecs.c_str());
// Sanity check
if (p_codecs.length() == 0) {
return;
}
// Extract codecs
try {
std::regex rgx("(\\w+)(:(\\w+))*(;((\\w+)(:(\\w+))*))*");
std::sregex_iterator begin(p_codecs.cbegin(), p_codecs.cend(), rgx);
std::sregex_iterator end = std::sregex_iterator();
// E.g. 9 - xml - :held_codec - held_codec - ;html:html_codec - html:html_codec - html - :html_codec - html_codec
for (std::sregex_iterator it = begin; it != end; ++it) {
std::smatch m = *it;
loggers::get_instance().log("http_codec::set_payload_codecs: %d - %s - %s - %s - %s - %s - %s - %s - %s", m.size(), m[1].str().c_str(), m[2].str().c_str(), m[3].str().c_str(), m[4].str().c_str(), m[5].str().c_str(), m[6].str().c_str(), m[7].str().c_str(), m[8].str().c_str());
for (unsigned int j = 1; j < m.size() - 1; j += 5) { // Exclude m[0]
loggers::get_instance().log("http_codec::set_payload_codecs: insert (%s, %s), j = %d", m[j].str().c_str(), m[j + 2].str().c_str(), j);
std::string key(m[j].str());
_codecs.insert(std::make_pair(key, std::unique_ptr<codec<Record_Type, Record_Type> >(codec_stack_builder::get_instance()->get_codec(m[j + 2].str().c_str()))));
} // End of 'for' statement
} // End of 'for' statement
//loggers::get_instance().log("http_codec::set_payload_codecs: _codecs length=%d", _codecs.size());
}
catch(const std::logic_error& e){
loggers::get_instance().warning("http_codec::set_payload_codecs: std::logic_error: %s", e.what());
_codecs.clear();
}
}