// -*- mode: cpp; mode: fold -*-
// Description /*{{{*/
-// $Id: acquire-worker.cc,v 1.4 1998/10/22 04:56:40 jgg Exp $
+// $Id: acquire-worker.cc,v 1.34 2001/05/22 04:42:54 jgg Exp $
/* ######################################################################
Acquire Worker
##################################################################### */
/*}}}*/
// Include Files /*{{{*/
-#ifdef __GNUG__
-#pragma implementation "apt-pkg/acquire-worker.h"
-#endif
+#include <config.h>
+
+#include <apt-pkg/acquire.h>
#include <apt-pkg/acquire-worker.h>
#include <apt-pkg/acquire-item.h>
#include <apt-pkg/configuration.h>
#include <apt-pkg/error.h>
#include <apt-pkg/fileutl.h>
-#include <strutl.h>
+#include <apt-pkg/strutl.h>
+#include <apt-pkg/hashes.h>
+
+#include <string>
+#include <vector>
+#include <iostream>
+#include <sstream>
+#include <sys/stat.h>
+#include <stdlib.h>
#include <unistd.h>
#include <signal.h>
-#include <wait.h>
+#include <stdio.h>
+#include <errno.h>
+
+#include <apti18n.h>
/*}}}*/
+using namespace std;
+
// Worker::Worker - Constructor for Queue startup /*{{{*/
// ---------------------------------------------------------------------
/* */
-pkgAcquire::Worker::Worker(Queue *Q,MethodConfig *Cnf)
+pkgAcquire::Worker::Worker(Queue *Q,MethodConfig *Cnf,
+ pkgAcquireStatus *Log) : Log(Log)
{
OwnerQ = Q;
Config = Cnf;
Access = Cnf->Access;
CurrentItem = 0;
-
+ TotalSize = 0;
+ CurrentSize = 0;
+
Construct();
}
/*}}}*/
Config = Cnf;
Access = Cnf->Access;
CurrentItem = 0;
+ TotalSize = 0;
+ CurrentSize = 0;
Construct();
}
if (Process > 0)
{
- kill(Process,SIGINT);
- if (waitpid(Process,0,0) != Process)
- _error->Warning("I waited but nothing was there!");
+ /* Closing of stdin is the signal to exit and die when the process
+ indicates it needs cleanup */
+ if (Config->NeedsCleanup == false)
+ kill(Process,SIGINT);
+ ExecWait(Process,Access.c_str(),true);
}
}
/*}}}*/
// Get the method path
string Method = _config->FindDir("Dir::Bin::Methods") + Access;
if (FileExists(Method) == false)
- return _error->Error("The method driver %s could not be found.",Method.c_str());
+ {
+ _error->Error(_("The method driver %s could not be found."),Method.c_str());
+ if (Access == "https")
+ _error->Notice(_("Is the package %s installed?"), "apt-transport-https");
+ return false;
+ }
if (Debug == true)
clog << "Starting method '" << Method << '\'' << endl;
close(Pipes[I]);
return false;
}
-
+ for (int I = 0; I != 4; I++)
+ SetCloseExec(Pipes[I],true);
+
// Fork off the process
- Process = fork();
- if (Process < 0)
- {
- cerr << "FATAL -> Failed to fork." << endl;
- exit(100);
- }
-
- // Spawn the subprocess
+ Process = ExecFork();
if (Process == 0)
{
// Setup the FDs
dup2(Pipes[1],STDOUT_FILENO);
dup2(Pipes[2],STDIN_FILENO);
- dup2(((filebuf *)clog.rdbuf())->fd(),STDERR_FILENO);
- for (int I = 0; I != 4; I++)
- close(Pipes[I]);
SetCloseExec(STDOUT_FILENO,false);
SetCloseExec(STDIN_FILENO,false);
SetCloseExec(STDERR_FILENO,false);
Args[1] = 0;
execv(Args[0],(char **)Args);
cerr << "Failed to exec method " << Args[0] << endl;
- exit(100);
+ _exit(100);
}
// Fix up our FDs
// Read the configuration data
if (WaitFd(InFd) == false ||
ReadMessages() == false)
- return _error->Error("Method %s did not start correctly",Method.c_str());
+ return _error->Error(_("Method %s did not start correctly"),Method.c_str());
RunMessages();
- SendConfiguration();
+ if (OwnerQ != 0)
+ SendConfiguration();
return true;
}
return true;
}
/*}}}*/
-
// Worker::RunMessage - Empty the message queue /*{{{*/
// ---------------------------------------------------------------------
/* This takes the messages from the message queue and runs them through
if (End == Message.c_str())
return _error->Error("Invalid message from method %s: %s",Access.c_str(),Message.c_str());
+ string URI = LookupTag(Message,"URI");
+ pkgAcquire::Queue::QItem *Itm = 0;
+ if (URI.empty() == false)
+ Itm = OwnerQ->FindItem(URI,this);
+
+ // update used mirror
+ string UsedMirror = LookupTag(Message,"UsedMirror", "");
+ if (!UsedMirror.empty() &&
+ Itm &&
+ Itm->Description.find(" ") != string::npos)
+ {
+ Itm->Description.replace(0, Itm->Description.find(" "), UsedMirror);
+ // FIXME: will we need this as well?
+ //Itm->ShortDesc = UsedMirror;
+ }
+
// Determine the message number and dispatch
switch (Number)
{
Status = LookupTag(Message,"Message");
break;
+ // 103 Redirect
+ case 103:
+ {
+ if (Itm == 0)
+ {
+ _error->Error("Method gave invalid 103 Redirect message");
+ break;
+ }
+
+ string NewURI = LookupTag(Message,"New-URI",URI.c_str());
+ Itm->URI = NewURI;
+
+ ItemDone();
+
+ pkgAcquire::Item *Owner = Itm->Owner;
+ pkgAcquire::ItemDesc Desc = *Itm;
+
+ // Change the status so that it can be dequeued
+ Owner->Status = pkgAcquire::Item::StatIdle;
+ // Mark the item as done (taking care of all queues)
+ // and then put it in the main queue again
+ OwnerQ->ItemDone(Itm);
+ OwnerQ->Owner->Enqueue(Desc);
+
+ if (Log != 0)
+ Log->Done(Desc);
+ break;
+ }
+
// 200 URI Start
case 200:
- break;
+ {
+ if (Itm == 0)
+ {
+ _error->Error("Method gave invalid 200 URI Start message");
+ break;
+ }
+
+ CurrentItem = Itm;
+ CurrentSize = 0;
+ TotalSize = strtoull(LookupTag(Message,"Size","0").c_str(), NULL, 10);
+ ResumePoint = strtoull(LookupTag(Message,"Resume-Point","0").c_str(), NULL, 10);
+ Itm->Owner->Start(Message,strtoull(LookupTag(Message,"Size","0").c_str(), NULL, 10));
+
+ // Display update before completion
+ if (Log != 0 && Log->MorePulses == true)
+ Log->Pulse(Itm->Owner->GetOwner());
+
+ if (Log != 0)
+ Log->Fetch(*Itm);
+
+ break;
+ }
// 201 URI Done
case 201:
- break;
+ {
+ if (Itm == 0)
+ {
+ _error->Error("Method gave invalid 201 URI Done message");
+ break;
+ }
+
+ pkgAcquire::Item *Owner = Itm->Owner;
+ pkgAcquire::ItemDesc Desc = *Itm;
+
+ // Display update before completion
+ if (Log != 0 && Log->MorePulses == true)
+ Log->Pulse(Owner->GetOwner());
+
+ OwnerQ->ItemDone(Itm);
+ unsigned long long const ServerSize = strtoull(LookupTag(Message,"Size","0").c_str(), NULL, 10);
+ bool isHit = StringToBool(LookupTag(Message,"IMS-Hit"),false) ||
+ StringToBool(LookupTag(Message,"Alt-IMS-Hit"),false);
+ // Using the https method the server might return 200, but the
+ // If-Modified-Since condition is not satsified, libcurl will
+ // discard the download. In this case, however, TotalSize will be
+ // set to the actual size of the file, while ServerSize will be set
+ // to 0. Therefore, if the item is marked as a hit and the
+ // downloaded size (ServerSize) is 0, we ignore TotalSize.
+ if (TotalSize != 0 && (!isHit || ServerSize != 0) && ServerSize != TotalSize)
+ _error->Warning("Size of file %s is not what the server reported %s %llu",
+ Owner->DestFile.c_str(), LookupTag(Message,"Size","0").c_str(),TotalSize);
+
+ // see if there is a hash to verify
+ string RecivedHash;
+ HashString expectedHash(Owner->HashSum());
+ if(!expectedHash.empty())
+ {
+ string hashTag = expectedHash.HashType()+"-Hash";
+ string hashSum = LookupTag(Message, hashTag.c_str());
+ if(!hashSum.empty())
+ RecivedHash = expectedHash.HashType() + ":" + hashSum;
+ if(_config->FindB("Debug::pkgAcquire::Auth", false) == true)
+ {
+ clog << "201 URI Done: " << Owner->DescURI() << endl
+ << "RecivedHash: " << RecivedHash << endl
+ << "ExpectedHash: " << expectedHash.toStr()
+ << endl << endl;
+ }
+ }
+ Owner->Done(Message, ServerSize, RecivedHash.c_str(), Config);
+ ItemDone();
+
+ // Log that we are done
+ if (Log != 0)
+ {
+ if (isHit)
+ {
+ /* Hide 'hits' for local only sources - we also manage to
+ hide gets */
+ if (Config->LocalOnly == false)
+ Log->IMSHit(Desc);
+ }
+ else
+ Log->Done(Desc);
+ }
+ break;
+ }
// 400 URI Failure
case 400:
- break;
+ {
+ if (Itm == 0)
+ {
+ _error->Error("Method gave invalid 400 URI Failure message");
+ break;
+ }
+
+ // Display update before completion
+ if (Log != 0 && Log->MorePulses == true)
+ Log->Pulse(Itm->Owner->GetOwner());
+
+ pkgAcquire::Item *Owner = Itm->Owner;
+ pkgAcquire::ItemDesc Desc = *Itm;
+ OwnerQ->ItemDone(Itm);
+
+ // set some status
+ if(LookupTag(Message,"FailReason") == "Timeout" ||
+ LookupTag(Message,"FailReason") == "TmpResolveFailure" ||
+ LookupTag(Message,"FailReason") == "ResolveFailure" ||
+ LookupTag(Message,"FailReason") == "ConnectionRefused")
+ Owner->Status = pkgAcquire::Item::StatTransientNetworkError;
+
+ Owner->Failed(Message,Config);
+ ItemDone();
+
+ if (Log != 0)
+ Log->Fail(Desc);
+
+ break;
+ }
// 401 General Failure
case 401:
- _error->Error("Method %s General failure: %s",LookupTag(Message,"Message").c_str());
+ _error->Error("Method %s General failure: %s",Access.c_str(),LookupTag(Message,"Message").c_str());
+ break;
+
+ // 403 Media Change
+ case 403:
+ MediaChange(Message);
break;
}
}
Config->Version = LookupTag(Message,"Version");
Config->SingleInstance = StringToBool(LookupTag(Message,"Single-Instance"),false);
- Config->PreScan = StringToBool(LookupTag(Message,"Pre-Scan"),false);
Config->Pipeline = StringToBool(LookupTag(Message,"Pipeline"),false);
Config->SendConfig = StringToBool(LookupTag(Message,"Send-Config"),false);
+ Config->LocalOnly = StringToBool(LookupTag(Message,"Local-Only"),false);
+ Config->NeedsCleanup = StringToBool(LookupTag(Message,"Needs-Cleanup"),false);
+ Config->Removable = StringToBool(LookupTag(Message,"Removable"),false);
// Some debug text
if (Debug == true)
{
clog << "Configured access method " << Config->Access << endl;
- clog << "Version:" << Config->Version << " SingleInstance:" <<
- Config->SingleInstance << " PreScan: " << Config->PreScan <<
- " Pipeline:" << Config->Pipeline << " SendConfig:" <<
- Config->SendConfig << endl;
+ clog << "Version:" << Config->Version <<
+ " SingleInstance:" << Config->SingleInstance <<
+ " Pipeline:" << Config->Pipeline <<
+ " SendConfig:" << Config->SendConfig <<
+ " LocalOnly: " << Config->LocalOnly <<
+ " NeedsCleanup: " << Config->NeedsCleanup <<
+ " Removable: " << Config->Removable << endl;
}
+ return true;
+}
+ /*}}}*/
+// Worker::MediaChange - Request a media change /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+bool pkgAcquire::Worker::MediaChange(string Message)
+{
+ int status_fd = _config->FindI("APT::Status-Fd",-1);
+ if(status_fd > 0)
+ {
+ string Media = LookupTag(Message,"Media");
+ string Drive = LookupTag(Message,"Drive");
+ ostringstream msg,status;
+ ioprintf(msg,_("Please insert the disc labeled: "
+ "'%s' "
+ "in the drive '%s' and press enter."),
+ Media.c_str(),Drive.c_str());
+ status << "media-change: " // message
+ << Media << ":" // media
+ << Drive << ":" // drive
+ << msg.str() // l10n message
+ << endl;
+
+ std::string const dlstatus = status.str();
+ FileFd::Write(status_fd, dlstatus.c_str(), dlstatus.size());
+ }
+
+ if (Log == 0 || Log->MediaChange(LookupTag(Message,"Media"),
+ LookupTag(Message,"Drive")) == false)
+ {
+ char S[300];
+ snprintf(S,sizeof(S),"603 Media Changed\nFailed: true\n\n");
+ if (Debug == true)
+ clog << " -> " << Access << ':' << QuoteString(S,"\n") << endl;
+ OutQueue += S;
+ OutReady = true;
+ return true;
+ }
+
+ char S[300];
+ snprintf(S,sizeof(S),"603 Media Changed\n\n");
+ if (Debug == true)
+ clog << " -> " << Access << ':' << QuoteString(S,"\n") << endl;
+ OutQueue += S;
+ OutReady = true;
return true;
}
/*}}}*/
if (OutFd == -1)
return false;
-
- string Message = "601 Configuration\n";
- Message.reserve(2000);
- /* Write out all of the configuration directives by walking the
+ /* Write out all of the configuration directives by walking the
configuration tree */
- const Configuration::Item *Top = _config->Tree(0);
- for (; Top != 0;)
- {
- if (Top->Value.empty() == false)
- {
- string Line = "Config-Item: " + Top->FullTag() + "=";
- Line += QuoteString(Top->Value,"\n") + '\n';
- Message += Line;
- }
-
- if (Top->Child != 0)
- {
- Top = Top->Child;
- continue;
- }
-
- while (Top != 0 && Top->Next == 0)
- Top = Top->Parent;
- if (Top != 0)
- Top = Top->Next;
- }
- Message += '\n';
+ std::ostringstream Message;
+ Message << "601 Configuration\n";
+ _config->Dump(Message, NULL, "Config-Item: %F=%V\n", false);
+ Message << '\n';
if (Debug == true)
- clog << " -> " << Access << ':' << QuoteString(Message,"\n") << endl;
- OutQueue += Message;
- OutReady = true;
-
+ clog << " -> " << Access << ':' << QuoteString(Message.str(),"\n") << endl;
+ OutQueue += Message.str();
+ OutReady = true;
+
return true;
}
/*}}}*/
/* */
bool pkgAcquire::Worker::OutFdReady()
{
- int Res = write(OutFd,OutQueue.begin(),OutQueue.length());
+ int Res;
+ do
+ {
+ Res = write(OutFd,OutQueue.c_str(),OutQueue.length());
+ }
+ while (Res < 0 && errno == EINTR);
+
if (Res <= 0)
return MethodFailure();
- // Hmm.. this should never happen.
- if (Res < 0)
- return true;
-
OutQueue.erase(0,Res);
if (OutQueue.empty() == true)
OutReady = false;
/*}}}*/
// Worker::MethodFailure - Called when the method fails /*{{{*/
// ---------------------------------------------------------------------
-/* This is called when the method is belived to have failed, probably because
+/* This is called when the method is believed to have failed, probably because
read returned -1. */
bool pkgAcquire::Worker::MethodFailure()
{
- cerr << "Method " << Access << " has died unexpectedly!" << endl;
- if (waitpid(Process,0,0) != Process)
- _error->Warning("I waited but nothing was there!");
+ _error->Error("Method %s has died unexpectedly!",Access.c_str());
+
+ // do not reap the child here to show meaningfull error to the user
+ ExecWait(Process,Access.c_str(),false);
Process = -1;
close(InFd);
close(OutFd);
return false;
}
/*}}}*/
+// Worker::Pulse - Called periodically /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+void pkgAcquire::Worker::Pulse()
+{
+ if (CurrentItem == 0)
+ return;
+
+ struct stat Buf;
+ if (stat(CurrentItem->Owner->DestFile.c_str(),&Buf) != 0)
+ return;
+ CurrentSize = Buf.st_size;
+
+ // Hmm? Should not happen...
+ if (CurrentSize > TotalSize && TotalSize != 0)
+ TotalSize = CurrentSize;
+}
+ /*}}}*/
+// Worker::ItemDone - Called when the current item is finished /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+void pkgAcquire::Worker::ItemDone()
+{
+ CurrentItem = 0;
+ CurrentSize = 0;
+ TotalSize = 0;
+ Status = string();
+}
+ /*}}}*/
projects / apt.git / blobdiff