// -*- mode: cpp; mode: fold -*-
// Description /*{{{*/
-// $Id: acquire-worker.cc,v 1.5 1998/10/23 00:49:58 jgg Exp $
+// $Id: acquire-worker.cc,v 1.20 1999/03/16 00:43:55 jgg Exp $
/* ######################################################################
Acquire Worker
#include <apt-pkg/configuration.h>
#include <apt-pkg/error.h>
#include <apt-pkg/fileutl.h>
-#include <strutl.h>
+#include <apt-pkg/strutl.h>
+#include <sys/stat.h>
#include <unistd.h>
+#include <fcntl.h>
#include <signal.h>
#include <wait.h>
+#include <stdio.h>
+#include <errno.h>
/*}}}*/
// 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;
close(Pipes[I]);
return false;
}
-
+ for (int I = 0; I != 4; I++)
+ SetCloseExec(Pipes[0],true);
+
// Fork off the process
Process = fork();
if (Process < 0)
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);
+
+ signal(SIGPIPE,SIG_DFL);
+ signal(SIGQUIT,SIG_DFL);
+ signal(SIGINT,SIG_DFL);
+ signal(SIGWINCH,SIG_DFL);
+ signal(SIGCONT,SIG_DFL);
+ signal(SIGTSTP,SIG_DFL);
+
+ // Close all of our FDs - just in case
+ for (int K = 3; K != 40; K++)
+ fcntl(K,F_SETFD,FD_CLOEXEC);
const char *Args[2];
Args[0] = Method.c_str();
Args[1] = 0;
execv(Args[0],(char **)Args);
cerr << "Failed to exec method " << Args[0] << endl;
- exit(100);
+ _exit(100);
}
// Fix up our FDs
return _error->Error("Method %s did not start correctly",Method.c_str());
RunMessages();
- SendConfiguration();
+ if (OwnerQ != 0)
+ SendConfiguration();
return true;
}
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);
+
// Determine the message number and dispatch
switch (Number)
{
// 200 URI Start
case 200:
- break;
+ {
+ if (Itm == 0)
+ {
+ _error->Error("Method gave invalid 200 URI Start message");
+ break;
+ }
+
+ CurrentItem = Itm;
+ CurrentSize = 0;
+ TotalSize = atoi(LookupTag(Message,"Size","0").c_str());
+ Itm->Owner->Start(Message,atoi(LookupTag(Message,"Size","0").c_str()));
+
+ 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;
+ OwnerQ->ItemDone(Itm);
+ Owner->Done(Message,atoi(LookupTag(Message,"Size","0").c_str()),
+ LookupTag(Message,"MD5-Hash"));
+ ItemDone();
+
+ // Log that we are done
+ if (Log != 0)
+ {
+ if (StringToBool(LookupTag(Message,"IMS-Hit"),false) == true ||
+ StringToBool(LookupTag(Message,"Alt-IMS-Hit"),false) == true)
+ {
+ /* 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;
+ }
+
+ pkgAcquire::Item *Owner = Itm->Owner;
+ pkgAcquire::ItemDesc Desc = *Itm;
+ OwnerQ->ItemDone(Itm);
+ 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());
break;
+
+ // 403 Media Change
+ case 403:
+ MediaChange(Message);
+ break;
}
}
return true;
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);
// Some debug text
if (Debug == true)
{
clog << "Configured access method " << Config->Access << endl;
clog << "Version:" << Config->Version << " SingleInstance:" <<
- Config->SingleInstance << " PreScan: " << Config->PreScan <<
+ Config->SingleInstance <<
" Pipeline:" << Config->Pipeline << " SendConfig:" <<
Config->SendConfig << endl;
}
+ return true;
+}
+ /*}}}*/
+// Worker::MediaChange - Request a media change /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+bool pkgAcquire::Worker::MediaChange(string Message)
+{
+ if (Log == 0 || Log->MediaChange(LookupTag(Message,"Media"),
+ LookupTag(Message,"Drive")) == false)
+ {
+ char S[300];
+ sprintf(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];
+ sprintf(S,"603 Media Changed\n\n");
+ if (Debug == true)
+ clog << " -> " << Access << ':' << QuoteString(S,"\n") << endl;
+ OutQueue += S;
+ OutReady = true;
return true;
}
/*}}}*/
/* */
bool pkgAcquire::Worker::OutFdReady()
{
- int Res = write(OutFd,OutQueue.begin(),OutQueue.length());
+ int Res;
+ do
+ {
+ Res = write(OutFd,OutQueue.begin(),OutQueue.length());
+ }
+ while (Res < 0 && errno == EINTR);
+
if (Res <= 0)
return MethodFailure();
read returned -1. */
bool pkgAcquire::Worker::MethodFailure()
{
- cerr << "Method " << Access << " has died unexpectedly!" << endl;
+ _error->Error("Method %s has died unexpectedly!",Access.c_str());
+
if (waitpid(Process,0,0) != Process)
_error->Warning("I waited but nothing was there!");
Process = -1;
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;
+}
+ /*}}}*/
+// Worker::ItemDone - Called when the current item is finished /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+void pkgAcquire::Worker::ItemDone()
+{
+ CurrentItem = 0;
+ CurrentSize = 0;
+ TotalSize = 0;
+ Status = string();
+}
+ /*}}}*/