using namespace std;
+#include<sstream>
+
#include "mirror.h"
#include "http.h"
#include "apti18n.h"
* - always picks the first mirror from the list
* - call out to problem reporting script
* - supports "deb mirror://host/path/to/mirror-list/// dist component"
- * - use pkgAcqMethod::FailReason() to have a string representation
+ * - uses pkgAcqMethod::FailReason() to have a string representation
* of the failure that is also send to LP
*
* TODO:
for(I=list.begin(); I != list.end(); I++)
{
string uri = (*I)->GetURI();
- if(uri.substr(0,strlen("mirror://")) != string("mirror://"))
+ if(uri.find("mirror://") != 0)
continue;
string BaseUri = uri.substr(0,uri.size()-1);
if (URItoFileName(BaseUri) == Dir->d_name)
bool MirrorMethod::DownloadMirrorFile(string mirror_uri_str)
{
-
- // check the file, if it is not older than RefreshInterval just use it
- // otherwise try to get a new one
- if(FileExists(MirrorFile))
- {
- struct stat buf;
- time_t t,now,refresh;
- if(stat(MirrorFile.c_str(), &buf) != 0)
- return false;
- t = std::max(buf.st_mtime, buf.st_ctime);
- now = time(NULL);
- refresh = 60*_config->FindI("Acquire::Mirror::RefreshInterval",360);
- if(t + refresh > now)
- {
- if(Debug)
- clog << "Mirror file is in RefreshInterval" << endl;
- DownloadedMirrorFile = true;
- return true;
- }
- if(Debug)
- clog << "Mirror file " << MirrorFile << " older than " << refresh << "min, re-download it" << endl;
- }
+ if(Debug)
+ clog << "MirrorMethod::DownloadMirrorFile(): " << endl;
// not that great to use pkgAcquire here, but we do not have
// any other way right now
return res;
}
-bool MirrorMethod::SelectMirror()
+/* convert a the Queue->Uri back to the mirror base uri and look
+ * at all mirrors we have for this, this is needed as queue->uri
+ * may point to different mirrors (if TryNextMirror() was run)
+ */
+void MirrorMethod::CurrentQueueUriToMirror()
+{
+ // already in mirror:// style so nothing to do
+ if(Queue->Uri.find("mirror://") == 0)
+ return;
+
+ // find current mirror and select next one
+ for (vector<string>::const_iterator mirror = AllMirrors.begin();
+ mirror != AllMirrors.end(); ++mirror)
+ {
+ if (Queue->Uri.find(*mirror) == 0)
+ {
+ Queue->Uri.replace(0, mirror->length(), BaseUri);
+ return;
+ }
+ }
+ _error->Error("Internal error: Failed to convert %s back to %s",
+ Queue->Uri.c_str(), BaseUri.c_str());
+}
+
+bool MirrorMethod::TryNextMirror()
+{
+ // find current mirror and select next one
+ for (vector<string>::const_iterator mirror = AllMirrors.begin();
+ mirror != AllMirrors.end(); ++mirror)
+ {
+ if (Queue->Uri.find(*mirror) != 0)
+ continue;
+
+ vector<string>::const_iterator nextmirror = mirror + 1;
+ if (nextmirror != AllMirrors.end())
+ break;
+ Queue->Uri.replace(0, mirror->length(), *nextmirror);
+ if (Debug)
+ clog << "TryNextMirror: " << Queue->Uri << endl;
+ return true;
+ }
+
+ if (Debug)
+ clog << "TryNextMirror could not find another mirror to try" << endl;
+
+ return false;
+}
+
+bool MirrorMethod::InitMirrors()
{
// if we do not have a MirrorFile, fallback
if(!FileExists(MirrorFile))
// get into sync issues (got indexfiles from mirror A,
// but packages from mirror B - one might be out of date etc)
ifstream in(MirrorFile.c_str());
- getline(in, Mirror);
- if(Debug)
- cerr << "Using mirror: " << Mirror << endl;
-
+ string s;
+ while (!in.eof())
+ {
+ getline(in, s);
+ if (s.size() > 0)
+ AllMirrors.push_back(s);
+ }
+ Mirror = AllMirrors[0];
UsedMirror = Mirror;
return true;
}
depth. */
bool MirrorMethod::Fetch(FetchItem *Itm)
{
+ if(Debug)
+ clog << "MirrorMethod::Fetch()" << endl;
+
// the http method uses Fetch(0) as a way to update the pipeline,
// just let it do its work in this case - Fetch() with a valid
// Itm will always run before the first Fetch(0)
DownloadMirrorFile(Itm->Uri);
}
- if(Mirror.empty())
- SelectMirror();
-
- for (FetchItem *I = Queue; I != 0; I = I->Next)
- {
- if(I->Uri.find("mirror://") != string::npos)
- I->Uri.replace(0,BaseUri.size(), Mirror);
+ if(AllMirrors.empty()) {
+ if(!InitMirrors()) {
+ // no valid mirror selected, something went wrong downloading
+ // from the master mirror site most likely and there is
+ // no old mirror file availalbe
+ return false;
+ }
}
+
+ if(Itm->Uri.find("mirror://") != string::npos)
+ Itm->Uri.replace(0,BaseUri.size(), Mirror);
+
+ if(Debug)
+ clog << "Fetch: " << Itm->Uri << endl << endl;
// now run the real fetcher
return HttpMethod::Fetch(Itm);
void MirrorMethod::Fail(string Err,bool Transient)
{
- if(Queue->Uri.find("http://") != string::npos)
- Queue->Uri.replace(0,Mirror.size(), BaseUri);
+ // FIXME: TryNextMirror is not ideal for indexfile as we may
+ // run into auth issues
+
+ if (Debug)
+ clog << "Failure to get " << Queue->Uri << endl;
+
+ // try the next mirror on fail (if its not a expected failure,
+ // e.g. translations are ok to ignore)
+ if (!Queue->FailIgnore && TryNextMirror())
+ return;
+
+ // all mirrors failed, so bail out
+ string s;
+ strprintf(s, _("[Mirror: %s]"), Mirror.c_str());
+ SetIP(s);
+
+ CurrentQueueUriToMirror();
pkgAcqMethod::Fail(Err, Transient);
}
void MirrorMethod::URIStart(FetchResult &Res)
{
- if(Queue->Uri.find("http://") != string::npos)
- Queue->Uri.replace(0,Mirror.size(), BaseUri);
+ CurrentQueueUriToMirror();
pkgAcqMethod::URIStart(Res);
}
void MirrorMethod::URIDone(FetchResult &Res,FetchResult *Alt)
{
- if(Queue->Uri.find("http://") != string::npos)
- Queue->Uri.replace(0,Mirror.size(), BaseUri);
+ CurrentQueueUriToMirror();
pkgAcqMethod::URIDone(Res, Alt);
}
projects / apt.git / blobdiff