Sync

Author: jgg
Date: 1998-10-30 07:53:30 GMT
Sync

1 files changed, 245 insertions, 0 deletions

diff --git a/apt-pkg/acquire-method.cc b/apt-pkg/acquire-method.cc
new file mode 100644
index 000000000..bd7dd6779
--- /dev/null
+++ b/apt-pkg/acquire-method.cc
@@ -0,0 +1,245 @@
+// -*- mode: cpp; mode: fold -*-
+// Description								/*{{{*/
+// $Id: acquire-method.cc,v 1.1 1998/10/30 07:53:35 jgg Exp $
+/* ######################################################################
+
+   Acquire Method
+
+   ##################################################################### */
+									/*}}}*/
+// Include Files							/*{{{*/
+#ifdef __GNUG__
+#pragma implementation "apt-pkg/acquire-method.h"
+#endif
+#include <apt-pkg/acquire-method.h>
+#include <apt-pkg/error.h>
+#include <apt-pkg/configuration.h>
+#include <strutl.h>
+#include <apt-pkg/fileutl.h>
+
+#include <stdio.h>
+									/*}}}*/
+
+// AcqMethod::pkgAcqMethod - Constructor				/*{{{*/
+// ---------------------------------------------------------------------
+/* This constructs the initialization text */
+pkgAcqMethod::pkgAcqMethod(const char *Ver,unsigned long Flags)
+{
+   char S[300] = "";
+   char *End = S;
+   strcat(End,"100 Capabilities\n");
+   sprintf(End+strlen(End),"Version: %s\n",Ver);
+
+   if ((Flags & SingleInstance) == SingleInstance)
+      strcat(End,"Single-Instance: true\n");
+   
+   if ((Flags & PreScan) == PreScan)
+      strcat(End,"Pre-Scan: true\n");
+   
+   if ((Flags & Pipeline) == Pipeline)
+      strcat(End,"Pipeline: true\n");
+   
+   if ((Flags & SendConfig) == SendConfig)
+      strcat(End,"Send-Config: true\n");
+   strcat(End,"\n");
+
+   if (write(STDOUT_FILENO,S,strlen(S)) != (signed)strlen(S))
+      exit(100);
+}
+									/*}}}*/
+// AcqMethod::Fail - A fetch has failed					/*{{{*/
+// ---------------------------------------------------------------------
+/* */
+void pkgAcqMethod::Fail()
+{
+   string Err = "Undetermined Error";
+   if (_error->empty() == false)
+      _error->PopMessage(Err);   
+   _error->Discard();
+   Fail(Err);
+}
+									/*}}}*/
+// AcqMethod::Fail - A fetch has failed					/*{{{*/
+// ---------------------------------------------------------------------
+/* */
+void pkgAcqMethod::Fail(string Err)
+{   
+   char S[1024];
+   snprintf(S,sizeof(S),"400 URI Failure\nURI: %s\n"
+	    "Message %s\n\n",CurrentURI.c_str(),Err.c_str());
+
+   if (write(STDOUT_FILENO,S,strlen(S)) != (signed)strlen(S))
+      exit(100);
+}
+									/*}}}*/
+// AcqMethod::URIStart - Indicate a download is starting		/*{{{*/
+// ---------------------------------------------------------------------
+/* */
+void pkgAcqMethod::URIStart(FetchResult &Res,unsigned long Resume = 0)
+{
+   char S[1024] = "";
+   char *End = S;
+   
+   End += snprintf(S,sizeof(S),"200 URI Start\nURI: %s\n",CurrentURI.c_str());
+   if (Res.Size != 0)
+      End += snprintf(End,sizeof(S) - (End - S),"Size: %u\n",Res.Size);
+   
+   if (Res.LastModified != 0)
+      End += snprintf(End,sizeof(S) - (End - S),"Last-Modified: %s\n",
+		      TimeRFC1123(Res.LastModified).c_str());
+   
+   if (Resume != 0)
+      End += snprintf(End,sizeof(S) - (End - S),"Resume-Point: %u\n",
+		      Resume);
+      
+   strcat(End,"\n");
+   if (write(STDOUT_FILENO,S,strlen(S)) != (signed)strlen(S))
+      exit(100);
+}
+									/*}}}*/
+// AcqMethod::URIDone - A URI is finished				/*{{{*/
+// ---------------------------------------------------------------------
+/* */
+void pkgAcqMethod::URIDone(FetchResult &Res, FetchResult *Alt)
+{
+   char S[1024] = "";
+   char *End = S;
+   
+   End += snprintf(S,sizeof(S),"201 URI Done\nURI: %s\n",CurrentURI.c_str());
+
+   if (Res.Filename.empty() == false)
+      End += snprintf(End,sizeof(S) - (End - S),"Filename: %s\n",Res.Filename.c_str());
+   
+   if (Res.Size != 0)
+      End += snprintf(End,sizeof(S) - (End - S),"Size: %u\n",Res.Size);
+   
+   if (Res.LastModified != 0)
+      End += snprintf(End,sizeof(S) - (End - S),"Last-Modified: %s\n",
+		      TimeRFC1123(Res.LastModified).c_str());
+
+   if (Res.MD5Sum.empty() == false)
+      End += snprintf(End,sizeof(S) - (End - S),"MD5Sum: %s\n",Res.MD5Sum.c_str());
+
+   if (Res.IMSHit == true)
+      strcat(End,"IMS-Hit: true\n");
+   End = S + strlen(S);
+   
+   if (Alt != 0)
+   {
+      if (Alt->Filename.empty() == false)
+	 End += snprintf(End,sizeof(S) - (End - S),"Alt-Filename: %s\n",Alt->Filename.c_str());
+      
+      if (Alt->Size != 0)
+	 End += snprintf(End,sizeof(S) - (End - S),"Alt-Size: %u\n",Alt->Size);
+      
+      if (Alt->LastModified != 0)
+	 End += snprintf(End,sizeof(S) - (End - S),"Alt-Last-Modified: %s\n",
+			 TimeRFC1123(Alt->LastModified).c_str());
+      
+      if (Alt->MD5Sum.empty() == false)
+	 End += snprintf(End,sizeof(S) - (End - S),"Alt-MD5Sum: %s\n",
+			 Alt->MD5Sum.c_str());
+      
+      if (Alt->IMSHit == true)
+	 strcat(End,"Alt-IMS-Hit: true\n");
+   }
+   
+   strcat(End,"\n");
+   if (write(STDOUT_FILENO,S,strlen(S)) != (signed)strlen(S))
+      exit(100);
+}
+									/*}}}*/
+// AcqMethod::Configuration - Handle the configuration message		/*{{{*/
+// ---------------------------------------------------------------------
+/* This parses each configuration entry and puts it into the _config 
+   Configuration class. */
+bool pkgAcqMethod::Configuration(string Message)
+{
+   ::Configuration &Cnf = *_config;
+   
+   const char *I = Message.begin();
+   
+   unsigned int Length = strlen("Config-Item");
+   for (; I + Length < Message.end(); I++)
+   {
+      // Not a config item
+      if (I[Length] != ':' || stringcasecmp(I,I+Length,"Config-Item") != 0)
+	 continue;
+      
+      I += Length + 1;
+      
+      for (; I < Message.end() && *I == ' '; I++);
+      const char *Equals = I;
+      for (; Equals < Message.end() && *Equals != '='; Equals++);
+      const char *End = Equals;
+      for (; End < Message.end() && *End != '\n'; End++);
+      if (End == Equals)
+	 return false;
+      
+      Cnf.Set(string(I,Equals-I),string(Equals+1,End-Equals-1));
+      I = End;
+   }
+   
+   return true;
+}
+									/*}}}*/
+// AcqMethod::Run - Run the message engine				/*{{{*/
+// ---------------------------------------------------------------------
+/* */
+int pkgAcqMethod::Run()
+{
+   SetNonBlock(STDIN_FILENO,true);
+
+   while (1)
+   {
+      if (Messages.empty() == true)
+	 if (WaitFd(STDIN_FILENO) == false)
+	    return 0;
+      
+      if (ReadMessages(STDIN_FILENO,Messages) == false)
+	 return 0;
+	 
+      string Message = Messages.front();
+      Messages.erase(Messages.begin());
+      
+      // Fetch the message number
+      char *End;
+      int Number = strtol(Message.c_str(),&End,10);
+      if (End == Message.c_str())
+      {	 
+	 cerr << "Malformed message!" << endl;
+	 return 100;
+      }
+
+      switch (Number)
+      {
+	 case 601:
+	 if (Configuration(Message) == false)
+	    return 100;
+	 break;
+	 
+	 case 600:
+	 {	    
+	    CurrentURI = LookupTag(Message,"URI");
+	    DestFile = LookupTag(Message,"FileName");
+	    StrToTime(LookupTag(Message,"Last-Modified"),LastModified);
+		      
+	    if (Fetch(Message,CurrentURI) == false)
+	       Fail();
+	    break;					     
+	 }   
+      }      
+   }
+
+   return 0;
+}
+									/*}}}*/
+// AcqMethod::FetchResult::FetchResult - Constructor			/*{{{*/
+// ---------------------------------------------------------------------
+/* */
+pkgAcqMethod::FetchResult::FetchResult() : LastModified(0), 
+                                   IMSHit(false), Size(0)
+{
+}
+									/*}}}*/
+