]> git.saurik.com Git - apt.git/blame - apt-pkg/acquire-method.cc
Fixed some clean rules
[apt.git] / apt-pkg / acquire-method.cc
CommitLineData
93bf083d
AL
1// -*- mode: cpp; mode: fold -*-
2// Description /*{{{*/
a72ace20 3// $Id: acquire-method.cc,v 1.9 1998/11/29 01:24:15 jgg Exp $
93bf083d
AL
4/* ######################################################################
5
6 Acquire Method
7
8 ##################################################################### */
9 /*}}}*/
10// Include Files /*{{{*/
11#ifdef __GNUG__
12#pragma implementation "apt-pkg/acquire-method.h"
13#endif
14#include <apt-pkg/acquire-method.h>
15#include <apt-pkg/error.h>
16#include <apt-pkg/configuration.h>
17#include <strutl.h>
18#include <apt-pkg/fileutl.h>
19
20#include <stdio.h>
21 /*}}}*/
22
23// AcqMethod::pkgAcqMethod - Constructor /*{{{*/
24// ---------------------------------------------------------------------
25/* This constructs the initialization text */
26pkgAcqMethod::pkgAcqMethod(const char *Ver,unsigned long Flags)
27{
28 char S[300] = "";
29 char *End = S;
30 strcat(End,"100 Capabilities\n");
31 sprintf(End+strlen(End),"Version: %s\n",Ver);
32
33 if ((Flags & SingleInstance) == SingleInstance)
34 strcat(End,"Single-Instance: true\n");
35
93bf083d
AL
36 if ((Flags & Pipeline) == Pipeline)
37 strcat(End,"Pipeline: true\n");
38
39 if ((Flags & SendConfig) == SendConfig)
40 strcat(End,"Send-Config: true\n");
e331f6ed
AL
41
42 if ((Flags & LocalOnly) == LocalOnly)
43 strcat(End,"Local-Only: true\n");
93bf083d
AL
44 strcat(End,"\n");
45
46 if (write(STDOUT_FILENO,S,strlen(S)) != (signed)strlen(S))
47 exit(100);
be4401bf
AL
48
49 SetNonBlock(STDIN_FILENO,true);
92e889c8
AL
50
51 Queue = 0;
93bf083d
AL
52}
53 /*}}}*/
54// AcqMethod::Fail - A fetch has failed /*{{{*/
55// ---------------------------------------------------------------------
56/* */
a72ace20 57void pkgAcqMethod::Fail(bool Transient)
93bf083d
AL
58{
59 string Err = "Undetermined Error";
60 if (_error->empty() == false)
61 _error->PopMessage(Err);
62 _error->Discard();
a72ace20 63 Fail(Err,Transient);
93bf083d
AL
64}
65 /*}}}*/
66// AcqMethod::Fail - A fetch has failed /*{{{*/
67// ---------------------------------------------------------------------
68/* */
a72ace20 69void pkgAcqMethod::Fail(string Err,bool Transient)
93bf083d
AL
70{
71 char S[1024];
be4401bf
AL
72 if (Queue != 0)
73 {
74 snprintf(S,sizeof(S),"400 URI Failure\nURI: %s\n"
a72ace20
AL
75 "Message: %s\n",Queue->Uri.c_str(),Err.c_str());
76
be4401bf
AL
77 // Dequeue
78 FetchItem *Tmp = Queue;
79 Queue = Queue->Next;
80 delete Tmp;
81 }
82 else
83 snprintf(S,sizeof(S),"400 URI Failure\nURI: <UNKNOWN>\n"
a72ace20 84 "Message: %s\n",Err.c_str());
be4401bf 85
a72ace20
AL
86 // Set the transient flag
87 if (Transient == true)
88 strcat(S,"Transient-Failure: true\n\n");
89 else
90 strcat(S,"\n");
91
93bf083d
AL
92 if (write(STDOUT_FILENO,S,strlen(S)) != (signed)strlen(S))
93 exit(100);
94}
95 /*}}}*/
96// AcqMethod::URIStart - Indicate a download is starting /*{{{*/
97// ---------------------------------------------------------------------
98/* */
be4401bf 99void pkgAcqMethod::URIStart(FetchResult &Res)
93bf083d 100{
be4401bf
AL
101 if (Queue == 0)
102 abort();
103
93bf083d
AL
104 char S[1024] = "";
105 char *End = S;
106
be4401bf 107 End += snprintf(S,sizeof(S),"200 URI Start\nURI: %s\n",Queue->Uri.c_str());
93bf083d
AL
108 if (Res.Size != 0)
109 End += snprintf(End,sizeof(S) - (End - S),"Size: %u\n",Res.Size);
110
111 if (Res.LastModified != 0)
112 End += snprintf(End,sizeof(S) - (End - S),"Last-Modified: %s\n",
113 TimeRFC1123(Res.LastModified).c_str());
114
be4401bf 115 if (Res.ResumePoint != 0)
93bf083d 116 End += snprintf(End,sizeof(S) - (End - S),"Resume-Point: %u\n",
be4401bf 117 Res.ResumePoint);
93bf083d
AL
118
119 strcat(End,"\n");
120 if (write(STDOUT_FILENO,S,strlen(S)) != (signed)strlen(S))
121 exit(100);
122}
123 /*}}}*/
124// AcqMethod::URIDone - A URI is finished /*{{{*/
125// ---------------------------------------------------------------------
126/* */
127void pkgAcqMethod::URIDone(FetchResult &Res, FetchResult *Alt)
128{
be4401bf
AL
129 if (Queue == 0)
130 abort();
131
93bf083d
AL
132 char S[1024] = "";
133 char *End = S;
134
be4401bf 135 End += snprintf(S,sizeof(S),"201 URI Done\nURI: %s\n",Queue->Uri.c_str());
93bf083d
AL
136
137 if (Res.Filename.empty() == false)
138 End += snprintf(End,sizeof(S) - (End - S),"Filename: %s\n",Res.Filename.c_str());
139
140 if (Res.Size != 0)
141 End += snprintf(End,sizeof(S) - (End - S),"Size: %u\n",Res.Size);
142
143 if (Res.LastModified != 0)
144 End += snprintf(End,sizeof(S) - (End - S),"Last-Modified: %s\n",
145 TimeRFC1123(Res.LastModified).c_str());
146
147 if (Res.MD5Sum.empty() == false)
148 End += snprintf(End,sizeof(S) - (End - S),"MD5Sum: %s\n",Res.MD5Sum.c_str());
149
b98f2859
AL
150 if (Res.ResumePoint != 0)
151 End += snprintf(End,sizeof(S) - (End - S),"Resume-Point: %u\n",
152 Res.ResumePoint);
153
93bf083d
AL
154 if (Res.IMSHit == true)
155 strcat(End,"IMS-Hit: true\n");
156 End = S + strlen(S);
157
158 if (Alt != 0)
159 {
160 if (Alt->Filename.empty() == false)
161 End += snprintf(End,sizeof(S) - (End - S),"Alt-Filename: %s\n",Alt->Filename.c_str());
162
163 if (Alt->Size != 0)
164 End += snprintf(End,sizeof(S) - (End - S),"Alt-Size: %u\n",Alt->Size);
165
166 if (Alt->LastModified != 0)
167 End += snprintf(End,sizeof(S) - (End - S),"Alt-Last-Modified: %s\n",
168 TimeRFC1123(Alt->LastModified).c_str());
169
170 if (Alt->MD5Sum.empty() == false)
171 End += snprintf(End,sizeof(S) - (End - S),"Alt-MD5Sum: %s\n",
172 Alt->MD5Sum.c_str());
173
174 if (Alt->IMSHit == true)
175 strcat(End,"Alt-IMS-Hit: true\n");
176 }
177
178 strcat(End,"\n");
179 if (write(STDOUT_FILENO,S,strlen(S)) != (signed)strlen(S))
180 exit(100);
be4401bf
AL
181
182 // Dequeue
183 FetchItem *Tmp = Queue;
184 Queue = Queue->Next;
185 delete Tmp;
93bf083d
AL
186}
187 /*}}}*/
188// AcqMethod::Configuration - Handle the configuration message /*{{{*/
189// ---------------------------------------------------------------------
190/* This parses each configuration entry and puts it into the _config
191 Configuration class. */
192bool pkgAcqMethod::Configuration(string Message)
193{
194 ::Configuration &Cnf = *_config;
195
196 const char *I = Message.begin();
197
198 unsigned int Length = strlen("Config-Item");
199 for (; I + Length < Message.end(); I++)
200 {
201 // Not a config item
202 if (I[Length] != ':' || stringcasecmp(I,I+Length,"Config-Item") != 0)
203 continue;
204
205 I += Length + 1;
206
207 for (; I < Message.end() && *I == ' '; I++);
208 const char *Equals = I;
209 for (; Equals < Message.end() && *Equals != '='; Equals++);
210 const char *End = Equals;
211 for (; End < Message.end() && *End != '\n'; End++);
212 if (End == Equals)
213 return false;
214
215 Cnf.Set(string(I,Equals-I),string(Equals+1,End-Equals-1));
216 I = End;
217 }
218
219 return true;
220}
221 /*}}}*/
222// AcqMethod::Run - Run the message engine /*{{{*/
223// ---------------------------------------------------------------------
224/* */
be4401bf 225int pkgAcqMethod::Run(bool Single)
93bf083d 226{
93bf083d
AL
227 while (1)
228 {
be4401bf 229 // Block if the message queue is empty
93bf083d 230 if (Messages.empty() == true)
be4401bf
AL
231 {
232 if (Single == false)
233 if (WaitFd(STDIN_FILENO) == false)
234 return 0;
be4401bf 235
92e889c8
AL
236 if (ReadMessages(STDIN_FILENO,Messages) == false)
237 return 0;
238 }
239
be4401bf
AL
240 // Single mode exits if the message queue is empty
241 if (Single == true && Messages.empty() == true)
242 return 0;
243
93bf083d
AL
244 string Message = Messages.front();
245 Messages.erase(Messages.begin());
246
247 // Fetch the message number
248 char *End;
249 int Number = strtol(Message.c_str(),&End,10);
250 if (End == Message.c_str())
251 {
252 cerr << "Malformed message!" << endl;
253 return 100;
254 }
255
256 switch (Number)
257 {
258 case 601:
259 if (Configuration(Message) == false)
260 return 100;
261 break;
262
263 case 600:
be4401bf
AL
264 {
265 FetchItem *Tmp = new FetchItem;
266
267 Tmp->Uri = LookupTag(Message,"URI");
268 Tmp->DestFile = LookupTag(Message,"FileName");
b98f2859
AL
269 if (StrToTime(LookupTag(Message,"Last-Modified"),Tmp->LastModified) == false)
270 Tmp->LastModified = 0;
a72ace20 271 Tmp->IndexFile = StringToBool(LookupTag(Message,"Index-File"),false);
be4401bf
AL
272 Tmp->Next = 0;
273
274 // Append it to the list
275 FetchItem **I = &Queue;
92e889c8 276 for (; *I != 0; I = &(*I)->Next);
be4401bf 277 *I = Tmp;
bfd22fc0
AL
278
279 // Notify that this item is to be fetched.
be4401bf 280 if (Fetch(Tmp) == false)
93bf083d 281 Fail();
bfd22fc0 282
93bf083d
AL
283 break;
284 }
285 }
286 }
287
288 return 0;
289}
290 /*}}}*/
be4401bf
AL
291// AcqMethod::Log - Send a log message /*{{{*/
292// ---------------------------------------------------------------------
293/* */
294void pkgAcqMethod::Log(const char *Format,...)
295{
296 string CurrentURI = "<UNKNOWN>";
297 if (Queue != 0)
298 CurrentURI = Queue->Uri;
299
300 va_list args;
301 va_start(args,Format);
302
303 // sprintf the description
304 char S[1024];
305 unsigned int Len = snprintf(S,sizeof(S),"101 Log\nURI: %s\n"
306 "Message: ",CurrentURI.c_str());
307
308 vsnprintf(S+Len,sizeof(S)-Len,Format,args);
309 strcat(S,"\n\n");
310
311 if (write(STDOUT_FILENO,S,strlen(S)) != (signed)strlen(S))
312 exit(100);
313}
314 /*}}}*/
315// AcqMethod::Status - Send a status message /*{{{*/
316// ---------------------------------------------------------------------
317/* */
318void pkgAcqMethod::Status(const char *Format,...)
319{
320 string CurrentURI = "<UNKNOWN>";
321 if (Queue != 0)
322 CurrentURI = Queue->Uri;
323
324 va_list args;
325 va_start(args,Format);
326
327 // sprintf the description
328 char S[1024];
8267fe24 329 unsigned int Len = snprintf(S,sizeof(S),"102 Status\nURI: %s\n"
be4401bf
AL
330 "Message: ",CurrentURI.c_str());
331
332 vsnprintf(S+Len,sizeof(S)-Len,Format,args);
333 strcat(S,"\n\n");
334
335 if (write(STDOUT_FILENO,S,strlen(S)) != (signed)strlen(S))
336 exit(100);
337}
338 /*}}}*/
339
93bf083d
AL
340// AcqMethod::FetchResult::FetchResult - Constructor /*{{{*/
341// ---------------------------------------------------------------------
342/* */
93274b8d
AL
343pkgAcqMethod::FetchResult::FetchResult() : LastModified(0),
344 IMSHit(false), Size(0), ResumePoint(0)
93bf083d
AL
345{
346}
347 /*}}}*/
348