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
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
|
#include "Main.h"
#pragma warning(disable:4786)
#include "DownloadThread.h"
#include "api__ml_wire.h"
#include "api/service/waServiceFactory.h"
#include "../../..\Components\wac_network\wac_network_http_receiver_api.h"
#include "errors.h"
#include <strsafe.h>
extern int winampVersion;
#define USER_AGENT_SIZE (10 /*User-Agent*/ + 2 /*: */ + 6 /*Winamp*/ + 1 /*/*/ + 1 /*5*/ + 3/*.21*/ + 1 /*Null*/)
void SetUserAgent( api_httpreceiver *http )
{
char user_agent[ USER_AGENT_SIZE ] = { 0 };
int bigVer = ( ( winampVersion & 0x0000FF00 ) >> 12 );
int smallVer = ( ( winampVersion & 0x000000FF ) );
StringCchPrintfA( user_agent, USER_AGENT_SIZE, "User-Agent: Winamp/%01x.%02x", bigVer, smallVer );
http->addheader( user_agent );
}
#define HTTP_BUFFER_SIZE 32768
static int FeedXMLHTTP( api_httpreceiver *http, obj_xml *parser, bool *noData )
{
char downloadedData[ HTTP_BUFFER_SIZE ] = { 0 };
int xmlResult = API_XML_SUCCESS;
int downloadSize = http->get_bytes( downloadedData, HTTP_BUFFER_SIZE );
if ( downloadSize )
{
xmlResult = parser->xmlreader_feed( (void *)downloadedData, downloadSize );
*noData = false;
}
else
*noData = true;
return xmlResult;
}
DownloadThread::DownloadThread() : parser( 0 ), parserFactory( 0 )
{
parserFactory = plugin.service->service_getServiceByGuid( obj_xmlGUID );
if ( parserFactory )
parser = (obj_xml *)parserFactory->getInterface();
if ( parser )
{
parser->xmlreader_setCaseSensitive();
parser->xmlreader_registerCallback( L"*", &xmlDOM );
parser->xmlreader_open();
}
}
DownloadThread::~DownloadThread()
{
if ( parser )
{
parser->xmlreader_unregisterCallback( &xmlDOM );
parser->xmlreader_close();
}
if ( parserFactory && parser )
parserFactory->releaseInterface( parser );
parserFactory = 0;
parser = 0;
}
void URLToFileName( wchar_t *url )
{
while ( url && *url != 0 )
{
switch ( *url )
{
case ':':
case '/':
case '\\':
case '*':
case '?':
case '"':
case '<':
case '>':
case '|':
*url = '_';
}
url++;
}
}
#define FILE_BUFFER_SIZE 32768
void DownloadThread::DownloadFile( const wchar_t *fileName )
{
if ( !parser )
return; // no sense in continuing if there's no parser available
HANDLE file = CreateFile( fileName, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, FILE_FLAG_SEQUENTIAL_SCAN, NULL );
if ( file == INVALID_HANDLE_VALUE )
return;
while ( true )
{
char data[ FILE_BUFFER_SIZE ] = { 0 };
DWORD bytesRead = 0;
if ( ReadFile( file, data, FILE_BUFFER_SIZE, &bytesRead, NULL ) && bytesRead )
{
parser->xmlreader_feed( (void *)data, bytesRead );
}
else
break;
}
CloseHandle( file );
parser->xmlreader_feed( 0, 0 );
ReadNodes( fileName );
}
#ifdef _DEBUG
#include <iostream>
void ShowAllHeaders( api_httpreceiver *http )
{
std::cout << "--------------------" << std::endl;
const char *blah = http->getallheaders();
while ( blah && *blah )
{
std::cout << blah << std::endl;
blah += strlen( blah ) + 1;
}
}
#else
#define ShowAllHeaders(x)
#endif
int RunXMLDownload( api_httpreceiver *http, obj_xml *parser )
{
int ret;
bool noData;
do
{
Sleep( 50 );
ret = http->run();
if ( FeedXMLHTTP( http, parser, &noData ) != API_XML_SUCCESS )
return DOWNLOAD_ERROR_PARSING_XML;
} while ( ret == HTTPRECEIVER_RUN_OK );
// finish off the data
do
{
if ( FeedXMLHTTP( http, parser, &noData ) != API_XML_SUCCESS )
return DOWNLOAD_ERROR_PARSING_XML;
} while ( !noData );
parser->xmlreader_feed( 0, 0 );
if ( ret != HTTPRECEIVER_RUN_ERROR )
return DOWNLOAD_SUCCESS;
else
return DOWNLOAD_CONNECTIONRESET;
}
int DownloadThread::DownloadURL( const wchar_t *url )
{
if ( !parser )
return DOWNLOAD_NOPARSER; // no sense in continuing if there's no parser available
api_httpreceiver *http = 0;
waServiceFactory *sf = plugin.service->service_getServiceByGuid( httpreceiverGUID );
if ( sf )
http = (api_httpreceiver *)sf->getInterface();
if ( !http )
return DOWNLOAD_NOHTTP;
http->AllowCompression();
http->open( API_DNS_AUTODNS, HTTP_BUFFER_SIZE, mediaLibrary.GetProxy() );
SetUserAgent( http );
http->connect( AutoChar( url ) );
int ret;
do
{
Sleep( 50 );
ret = http->run();
if ( ret == -1 ) // connection failed
break;
// ---- check our reply code ----
int status = http->get_status();
switch ( status )
{
case HTTPRECEIVER_STATUS_CONNECTING:
case HTTPRECEIVER_STATUS_READING_HEADERS:
break;
case HTTPRECEIVER_STATUS_READING_CONTENT:
{
ShowAllHeaders( http ); // benski> don't cut, only enabled in debug mode
int downloadError;
downloadError = RunXMLDownload( http, parser );
if ( downloadError == DOWNLOAD_SUCCESS )
ReadNodes( url );
sf->releaseInterface( http );
return downloadError;
}
break;
case HTTPRECEIVER_STATUS_ERROR:
default:
sf->releaseInterface( http );
return DOWNLOAD_404;
}
} while ( ret == HTTPRECEIVER_RUN_OK );
const char *er = http->geterrorstr();
sf->releaseInterface( http );
return DOWNLOAD_404;
}
|
