- FailFile = Queue->DestFile;
- FailFile.c_str(); // Make sure we dont do a malloc in the signal handler
- FailFd = File->Fd();
- FailTime = Srv->Date;
-
- // Set the expected size
- if (Srv->StartPos >= 0)
- {
- Res.ResumePoint = Srv->StartPos;
- if (ftruncate(File->Fd(),Srv->StartPos) < 0)
- _error->Errno("ftruncate", _("Failed to truncate file"));
- }
-
- // Set the start point
- lseek(File->Fd(),0,SEEK_END);
+ // generate a cache control header (if needed)
+ if (_config->FindB("Acquire::http::No-Cache",false) == true)
+ Req << "Cache-Control: no-cache\r\n"
+ << "Pragma: no-cache\r\n";
+ else if (Itm->IndexFile == true)
+ Req << "Cache-Control: max-age=" << _config->FindI("Acquire::http::Max-Age",0) << "\r\n";
+ else if (_config->FindB("Acquire::http::No-Store",false) == true)
+ Req << "Cache-Control: no-store\r\n";
+
+ // If we ask for uncompressed files servers might respond with content-
+ // negotiation which lets us end up with compressed files we do not support,
+ // see 657029, 657560 and co, so if we have no extension on the request
+ // ask for text only. As a sidenote: If there is nothing to negotate servers
+ // seem to be nice and ignore it.
+ if (_config->FindB("Acquire::http::SendAccept", true) == true)
+ {
+ size_t const filepos = Itm->Uri.find_last_of('/');
+ string const file = Itm->Uri.substr(filepos + 1);
+ if (flExtension(file) == file)
+ Req << "Accept: text/*\r\n";
+ }
+
+ // Check for a partial file and send if-queries accordingly
+ struct stat SBuf;
+ if (stat(Itm->DestFile.c_str(),&SBuf) >= 0 && SBuf.st_size > 0)
+ Req << "Range: bytes=" << SBuf.st_size << "-\r\n"
+ << "If-Range: " << TimeRFC1123(SBuf.st_mtime) << "\r\n";
+ else if (Itm->LastModified != 0)
+ Req << "If-Modified-Since: " << TimeRFC1123(Itm->LastModified).c_str() << "\r\n";