Major = 0;
Minor = 0;
Result = 0;
- Size = 0;
+ TotalFileSize = 0;
+ JunkSize = 0;
StartPos = 0;
Encoding = Closes;
HaveContent = false;
if (elements == 3)
{
Code[0] = '\0';
- if (Owner->Debug == true)
+ if (Owner != NULL && Owner->Debug == true)
clog << "HTTP server doesn't give Reason-Phrase for " << Result << std::endl;
}
else if (elements != 4)
Encoding = Stream;
HaveContent = true;
- // The length is already set from the Content-Range header
- if (StartPos != 0)
- return true;
+ unsigned long long * DownloadSizePtr = &DownloadSize;
+ if (Result == 416)
+ DownloadSizePtr = &JunkSize;
- Size = strtoull(Val.c_str(), NULL, 10);
- if (Size >= std::numeric_limits<unsigned long long>::max())
+ *DownloadSizePtr = strtoull(Val.c_str(), NULL, 10);
+ if (*DownloadSizePtr >= std::numeric_limits<unsigned long long>::max())
return _error->Errno("HeaderLine", _("The HTTP server sent an invalid Content-Length header"));
- else if (Size == 0)
+ else if (*DownloadSizePtr == 0)
HaveContent = false;
+
+ // On partial content (206) the Content-Length less than the real
+ // size, so do not set it here but leave that to the Content-Range
+ // header instead
+ if(Result != 206 && TotalFileSize == 0)
+ TotalFileSize = DownloadSize;
+
return true;
}
HaveContent = true;
// ยง14.16 says 'byte-range-resp-spec' should be a '*' in case of 416
- if (Result == 416 && sscanf(Val.c_str(), "bytes */%llu",&Size) == 1)
- {
- StartPos = 1; // ignore Content-Length, it would override Size
- HaveContent = false;
- }
- else if (sscanf(Val.c_str(),"bytes %llu-%*u/%llu",&StartPos,&Size) != 2)
+ if (Result == 416 && sscanf(Val.c_str(), "bytes */%llu",&TotalFileSize) == 1)
+ ; // we got the expected filesize which is all we wanted
+ else if (sscanf(Val.c_str(),"bytes %llu-%*u/%llu",&StartPos,&TotalFileSize) != 2)
return _error->Error(_("The HTTP server sent an invalid Content-Range header"));
- if ((unsigned long long)StartPos > Size)
+ if ((unsigned long long)StartPos > TotalFileSize)
return _error->Error(_("This HTTP server has broken range support"));
+
+ // figure out what we will download
+ DownloadSize = TotalFileSize - StartPos;
return true;
}
Reset();
}
/*}}}*/
-
-bool ServerMethod::Configuration(string Message) /*{{{*/
+bool ServerState::AddPartialFileToHashes(FileFd &File) /*{{{*/
{
- return pkgAcqMethod::Configuration(Message);
+ File.Truncate(StartPos);
+ return GetHashes()->AddFD(File, StartPos);
}
/*}}}*/
// Not Modified
if (Server->Result == 304)
{
- unlink(Queue->DestFile.c_str());
+ RemoveFile("server", Queue->DestFile);
Res.IMSHit = true;
Res.LastModified = Queue->LastModified;
return IMS_HIT;
}
-
+
/* Redirect
*
* Note that it is only OK for us to treat all redirection the same
struct stat SBuf;
if (stat(Queue->DestFile.c_str(),&SBuf) >= 0 && SBuf.st_size > 0)
{
- if ((unsigned long long)SBuf.st_size == Server->Size)
+ bool partialHit = false;
+ if (Queue->ExpectedHashes.usable() == true)
+ {
+ Hashes resultHashes(Queue->ExpectedHashes);
+ FileFd file(Queue->DestFile, FileFd::ReadOnly);
+ Server->TotalFileSize = file.FileSize();
+ Server->Date = file.ModificationTime();
+ resultHashes.AddFD(file);
+ HashStringList const hashList = resultHashes.GetHashStringList();
+ partialHit = (Queue->ExpectedHashes == hashList);
+ }
+ else if ((unsigned long long)SBuf.st_size == Server->TotalFileSize)
+ partialHit = true;
+ if (partialHit == true)
{
// the file is completely downloaded, but was not moved
- Server->StartPos = Server->Size;
- Server->Result = 200;
+ if (Server->HaveContent == true)
+ {
+ // Send to error page to dev/null
+ FileFd DevNull("/dev/null",FileFd::WriteExists);
+ Server->RunData(&DevNull);
+ }
Server->HaveContent = false;
+ Server->StartPos = Server->TotalFileSize;
+ Server->Result = 200;
}
- else if (unlink(Queue->DestFile.c_str()) == 0)
+ else if (RemoveFile("server", Queue->DestFile))
{
NextURI = Queue->Uri;
return TRY_AGAIN_OR_REDIRECT;
}
}
- /* We have a reply we dont handle. This should indicate a perm server
+ /* We have a reply we don't handle. This should indicate a perm server
failure */
if (Server->Result < 200 || Server->Result >= 300)
{
// This is some sort of 2xx 'data follows' reply
Res.LastModified = Server->Date;
- Res.Size = Server->Size;
+ Res.Size = Server->TotalFileSize;
// Open the file
delete File;
return ERROR_NOT_FROM_SERVER;
FailFile = Queue->DestFile;
- FailFile.c_str(); // Make sure we dont do a malloc in the signal handler
+ FailFile.c_str(); // Make sure we don't do a malloc in the signal handler
FailFd = File->Fd();
FailTime = Server->Date;
- if (Server->InitHashes(*File) == false)
+ if (Server->InitHashes(Queue->ExpectedHashes) == false || Server->AddPartialFileToHashes(*File) == false)
{
_error->Errno("read",_("Problem hashing file"));
return ERROR_NOT_FROM_SERVER;
// Connect to the server
if (Server == 0 || Server->Comp(Queue->Uri) == false)
- {
- delete Server;
Server = CreateServerState(Queue->Uri);
- }
+
/* If the server has explicitly said this is the last connection
then we pre-emptively shut down the pipeline and tear down
the connection. This will speed up HTTP/1.0 servers a tad
if (Server->Open() == false)
{
Fail(true);
- delete Server;
- Server = 0;
+ Server = nullptr;
continue;
}
// Run the data
bool Result = true;
+
+ // ensure we don't fetch too much
+ // we could do "Server->MaximumSize = Queue->MaximumSize" here
+ // but that would break the clever pipeline messup detection
+ // so instead we use the size of the biggest item in the queue
+ Server->MaximumSize = FindMaximumObjectSizeInQueue();
+
if (Server->HaveContent)
Result = Server->RunData(File);
QueueBack = Queue;
}
else
+ {
+ Server->Close();
Fail(true);
+ }
}
break;
}
return 0;
}
/*}}}*/
+unsigned long long ServerMethod::FindMaximumObjectSizeInQueue() const /*{{{*/
+{
+ unsigned long long MaxSizeInQueue = 0;
+ for (FetchItem *I = Queue; I != 0 && I != QueueBack; I = I->Next)
+ MaxSizeInQueue = std::max(MaxSizeInQueue, I->MaximumSize);
+ return MaxSizeInQueue;
+}
+ /*}}}*/
+ServerMethod::ServerMethod(char const * const Binary, char const * const Ver,unsigned long const Flags) :/*{{{*/
+ aptMethod(Binary, Ver, Flags), Server(nullptr), File(NULL), PipelineDepth(10),
+ AllowRedirect(false), Debug(false)
+{
+}
+ /*}}}*/
projects / apt.git / blobdiff