X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/bfd22fc0ac2632c6196f5149dc3b3671d9ff15e0..aabc05d39cccac361ce0f37ce3e22e1dd7383e95:/apt-pkg/acquire-worker.cc?ds=sidebyside

diff --git a/apt-pkg/acquire-worker.cc b/apt-pkg/acquire-worker.cc
index 2cbab7720..5cd7d6f1e 100644
--- a/apt-pkg/acquire-worker.cc
+++ b/apt-pkg/acquire-worker.cc
@@ -1,6 +1,6 @@
 // -*- mode: cpp; mode: fold -*-
 // Description								/*{{{*/
-// $Id: acquire-worker.cc,v 1.10 1998/11/05 07:21:39 jgg Exp $
+// $Id: acquire-worker.cc,v 1.34 2001/05/22 04:42:54 jgg Exp $
 /* ######################################################################
 
    Acquire Worker 
@@ -20,23 +20,36 @@
 #include <apt-pkg/configuration.h>
 #include <apt-pkg/error.h>
 #include <apt-pkg/fileutl.h>
-#include <strutl.h>
+#include <apt-pkg/strutl.h>
 
+#include <apti18n.h>
+
+#include <iostream>
+#include <fstream>
+    
+#include <sys/stat.h>
 #include <unistd.h>
+#include <fcntl.h>
 #include <signal.h>
-#include <wait.h>
+#include <stdio.h>
+#include <errno.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();   
 }
 									/*}}}*/
@@ -49,6 +62,8 @@ pkgAcquire::Worker::Worker(MethodConfig *Cnf)
    Config = Cnf;
    Access = Cnf->Access;
    CurrentItem = 0;
+   TotalSize = 0;
+   CurrentSize = 0;
    
    Construct();   
 }
@@ -78,9 +93,11 @@ pkgAcquire::Worker::~Worker()
    
    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);
    }   
 }
 									/*}}}*/
@@ -92,7 +109,7 @@ bool pkgAcquire::Worker::Start()
    // 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());
+      return _error->Error(_("The method driver %s could not be found."),Method.c_str());
 
    if (Debug == true)
       clog << "Starting method '" << Method << '\'' << endl;
@@ -107,23 +124,15 @@ bool pkgAcquire::Worker::Start()
       return false;
    }
    for (int I = 0; I != 4; I++)
-      SetCloseExec(Pipes[0],true);
+      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);
       SetCloseExec(STDOUT_FILENO,false);
       SetCloseExec(STDIN_FILENO,false);      
       SetCloseExec(STDERR_FILENO,false);
@@ -133,7 +142,7 @@ bool pkgAcquire::Worker::Start()
       Args[1] = 0;
       execv(Args[0],(char **)Args);
       cerr << "Failed to exec method " << Args[0] << endl;
-      exit(100);
+      _exit(100);
    }
 
    // Fix up our FDs
@@ -149,7 +158,7 @@ bool pkgAcquire::Worker::Start()
    // 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();
    if (OwnerQ != 0)
@@ -221,10 +230,20 @@ bool pkgAcquire::Worker::RunMessages()
 	       _error->Error("Method gave invalid 200 URI Start message");
 	       break;
 	    }
+	    
 	    CurrentItem = Itm;
 	    CurrentSize = 0;
 	    TotalSize = atoi(LookupTag(Message,"Size","0").c_str());
+	    ResumePoint = atoi(LookupTag(Message,"Resume-Point","0").c_str());
+	    Itm->Owner->Start(Message,atoi(LookupTag(Message,"Size","0").c_str()));
+
+	    // Display update before completion
+	    if (Log != 0 && Log->MorePulses == true)
+	       Log->Pulse(Itm->Owner->GetOwner());
 	    
+	    if (Log != 0)
+	       Log->Fetch(*Itm);
+
 	    break;
 	 }
 	 
@@ -236,11 +255,38 @@ bool pkgAcquire::Worker::RunMessages()
 	       _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);
+	    if (TotalSize != 0 &&
+		(unsigned)atoi(LookupTag(Message,"Size","0").c_str()) != TotalSize)
+	       _error->Warning("Bizarre Error - File size is not what the server reported %s %lu",
+			       LookupTag(Message,"Size","0").c_str(),TotalSize);
+
 	    Owner->Done(Message,atoi(LookupTag(Message,"Size","0").c_str()),
-					  LookupTag(Message,"MD5-Hash"));
+			LookupTag(Message,"MD5-Hash"),Config);
+	    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;
 	 }	 
 	 
@@ -253,15 +299,30 @@ bool pkgAcquire::Worker::RunMessages()
 	       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);
-	    Owner->Failed(Message);
+	    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;
       }      
    }
@@ -279,20 +340,51 @@ bool pkgAcquire::Worker::Capabilities(string Message)
    
    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)
+{
+   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;
 }
 									/*}}}*/
@@ -317,7 +409,7 @@ bool pkgAcquire::Worker::SendConfiguration()
    {
       if (Top->Value.empty() == false)
       {
-	 string Line = "Config-Item: " + Top->FullTag() + "=";
+	 string Line = "Config-Item: " + QuoteString(Top->FullTag(),"=\"\n") + "=";
 	 Line += QuoteString(Top->Value,"\n") + '\n';
 	 Message += Line;
       }
@@ -371,7 +463,13 @@ bool pkgAcquire::Worker::QueueItem(pkgAcquire::Queue::QItem *Item)
 /* */
 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();
 
@@ -403,9 +501,9 @@ bool pkgAcquire::Worker::InFdReady()
    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());
+   
+   ExecWait(Process,Access.c_str(),true);
    Process = -1;
    close(InFd);
    close(OutFd);
@@ -419,3 +517,32 @@ bool pkgAcquire::Worker::MethodFailure()
    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();
+}
+									/*}}}*/