[ntk/apt.git] / apt-pkg / acquire-method.cc

// -*- mode: cpp; mode: fold -*-
// Description								/*{{{*/
// $Id: acquire-method.cc,v 1.17 1999/02/08 07:30:49 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 <apt-pkg/strutl.h>
#include <apt-pkg/fileutl.h>

#include <stdio.h>
#include <unistd.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 & Pipeline) == Pipeline)
      strcat(End,"Pipeline: true\n");
   
   if ((Flags & SendConfig) == SendConfig)
      strcat(End,"Send-Config: true\n");

   if ((Flags & LocalOnly) == LocalOnly)
      strcat(End,"Local-Only: true\n");
   strcat(End,"\n");

   if (write(STDOUT_FILENO,S,strlen(S)) != (signed)strlen(S))
      exit(100);

   SetNonBlock(STDIN_FILENO,true);

   Queue = 0;
   QueueBack = 0;
}
									/*}}}*/
// AcqMethod::Fail - A fetch has failed					/*{{{*/
// ---------------------------------------------------------------------
/* */
void pkgAcqMethod::Fail(bool Transient)
{
   string Err = "Undetermined Error";
   if (_error->empty() == false)
      _error->PopMessage(Err);   
   _error->Discard();
   Fail(Err,Transient);
}
									/*}}}*/
// AcqMethod::Fail - A fetch has failed					/*{{{*/
// ---------------------------------------------------------------------
/* */
void pkgAcqMethod::Fail(string Err,bool Transient)
{   
   char S[1024];
   if (Queue != 0)
   {
      snprintf(S,sizeof(S),"400 URI Failure\nURI: %s\n"
	       "Message: %s\n",Queue->Uri.c_str(),Err.c_str());

      // Dequeue
      FetchItem *Tmp = Queue;
      Queue = Queue->Next;
      delete Tmp;
      if (Tmp == QueueBack)
	 QueueBack = Queue;
   }
   else
      snprintf(S,sizeof(S),"400 URI Failure\nURI: <UNKNOWN>\n"
	       "Message: %s\n",Err.c_str());
      
   // Set the transient flag 
   if (Transient == true)
      strcat(S,"Transient-Failure: true\n\n");
   else
      strcat(S,"\n");
   
   if (write(STDOUT_FILENO,S,strlen(S)) != (signed)strlen(S))
      exit(100);
}
									/*}}}*/
// AcqMethod::URIStart - Indicate a download is starting		/*{{{*/
// ---------------------------------------------------------------------
/* */
void pkgAcqMethod::URIStart(FetchResult &Res)
{
   if (Queue == 0)
      abort();
   
   char S[1024] = "";
   char *End = S;
   
   End += snprintf(S,sizeof(S),"200 URI Start\nURI: %s\n",Queue->Uri.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.ResumePoint != 0)
      End += snprintf(End,sizeof(S) - (End - S),"Resume-Point: %u\n",
		      Res.ResumePoint);
      
   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)
{
   if (Queue == 0)
      abort();
   
   char S[1024] = "";
   char *End = S;
   
   End += snprintf(S,sizeof(S),"201 URI Done\nURI: %s\n",Queue->Uri.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),"MD5-Hash: %s\n",Res.MD5Sum.c_str());

   if (Res.ResumePoint != 0)
      End += snprintf(End,sizeof(S) - (End - S),"Resume-Point: %u\n",
		      Res.ResumePoint);

   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-MD5-Hash: %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);

   // Dequeue
   FetchItem *Tmp = Queue;
   Queue = Queue->Next;
   delete Tmp;
   if (Tmp == QueueBack)
      QueueBack = Queue;
}
									/*}}}*/
// AcqMethod::MediaFail - Syncronous request for new media		/*{{{*/
// ---------------------------------------------------------------------
/* This sends a 403 Media Failure message to the APT and waits for it
   to be ackd */
bool pkgAcqMethod::MediaFail(string Required,string Drive)
{
   char S[1024];
   snprintf(S,sizeof(S),"403 Media Failure\nMedia: %s\nDrive: %s\n\n",
	    Required.c_str(),Drive.c_str());

   if (write(STDOUT_FILENO,S,strlen(S)) != (signed)strlen(S))
      exit(100);
   
   vector<string> MyMessages;
   
   /* Here we read messages until we find a 603, each non 603 message is
      appended to the main message list for later processing */
   while (1)
   {
      if (WaitFd(STDIN_FILENO) == false)
	 return false;
      
      if (ReadMessages(STDIN_FILENO,MyMessages) == false)
	 return false;

      string Message = MyMessages.front();
      MyMessages.erase(MyMessages.begin());
      
      // Fetch the message number
      char *End;
      int Number = strtol(Message.c_str(),&End,10);
      if (End == Message.c_str())
      {	 
	 cerr << "Malformed message!" << endl;
	 exit(100);
      }

      // Change ack
      if (Number == 603)
      {
	 while (MyMessages.empty() == false)
	 {
	    Messages.push_back(MyMessages.front());
	    MyMessages.erase(MyMessages.begin());
	 }

	 return !StringToBool(LookupTag(Message,"Fail"),false);
      }
      
      Messages.push_back(Message);
   }   
}
									/*}}}*/
// 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(bool Single)
{
   while (1)
   {
      // Block if the message queue is empty
      if (Messages.empty() == true)
      {
	 if (Single == false)
	    if (WaitFd(STDIN_FILENO) == false)
	       return 0;
      
	 if (ReadMessages(STDIN_FILENO,Messages) == false)
	    return 0;
      }
            
      // Single mode exits if the message queue is empty
      if (Single == true && Messages.empty() == true)
	 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:
	 {
	    FetchItem *Tmp = new FetchItem;
	    
	    Tmp->Uri = LookupTag(Message,"URI");
	    Tmp->DestFile = LookupTag(Message,"FileName");
	    if (StrToTime(LookupTag(Message,"Last-Modified"),Tmp->LastModified) == false)
	       Tmp->LastModified = 0;
	    Tmp->IndexFile = StringToBool(LookupTag(Message,"Index-File"),false);
	    Tmp->Next = 0;
	    
	    // Append it to the list
	    FetchItem **I = &Queue;
	    for (; *I != 0; I = &(*I)->Next);
	    *I = Tmp;
	    if (QueueBack == 0)
	       QueueBack = Tmp;
	    
	    // Notify that this item is to be fetched.
	    if (Fetch(Tmp) == false)
	       Fail();
	    
	    break;					     
	 }   
      }      
   }

   return 0;
}
									/*}}}*/
// AcqMethod::Log - Send a log message					/*{{{*/
// ---------------------------------------------------------------------
/* */
void pkgAcqMethod::Log(const char *Format,...)
{
   string CurrentURI = "<UNKNOWN>";
   if (Queue != 0)
      CurrentURI = Queue->Uri;
   
   va_list args;
   va_start(args,Format);

   // sprintf the description
   char S[1024];
   unsigned int Len = snprintf(S,sizeof(S),"101 Log\nURI: %s\n"
			       "Message: ",CurrentURI.c_str());

   vsnprintf(S+Len,sizeof(S)-Len,Format,args);
   strcat(S,"\n\n");
   
   if (write(STDOUT_FILENO,S,strlen(S)) != (signed)strlen(S))
      exit(100);
}
									/*}}}*/
// AcqMethod::Status - Send a status message				/*{{{*/
// ---------------------------------------------------------------------
/* */
void pkgAcqMethod::Status(const char *Format,...)
{
   string CurrentURI = "<UNKNOWN>";
   if (Queue != 0)
      CurrentURI = Queue->Uri;
   
   va_list args;
   va_start(args,Format);

   // sprintf the description
   char S[1024];
   unsigned int Len = snprintf(S,sizeof(S),"102 Status\nURI: %s\n"
			       "Message: ",CurrentURI.c_str());

   vsnprintf(S+Len,sizeof(S)-Len,Format,args);
   strcat(S,"\n\n");
   
   if (write(STDOUT_FILENO,S,strlen(S)) != (signed)strlen(S))
      exit(100);
}
									/*}}}*/

// AcqMethod::FetchResult::FetchResult - Constructor			/*{{{*/
// ---------------------------------------------------------------------
/* */
pkgAcqMethod::FetchResult::FetchResult() : LastModified(0),
                                   IMSHit(false), Size(0), ResumePoint(0)
{
}
									/*}}}*/
Commit	Line	Data
93bf083d AL	1	// -- mode: cpp; mode: fold --
93bf083d AL	2	// Description /{{{/
65a1e968	3	// $Id: acquire-method.cc,v 1.17 1999/02/08 07:30:49 jgg Exp $
93bf083d AL	4	/* ######################################################################
	5
	6	Acquire Method
	7
	8	##################################################################### */
	9	/}}}/
	10	// Include Files /{{{/
	11	#ifdef __GNUG__
	12	#pragma implementation "apt-pkg/acquire-method.h"
	13	#endif
	14	#include <apt-pkg/acquire-method.h>
	15	#include <apt-pkg/error.h>
	16	#include <apt-pkg/configuration.h>
cdcc6d34	17	#include <apt-pkg/strutl.h>
93bf083d AL	18	#include <apt-pkg/fileutl.h>
	19
	20	#include <stdio.h>
65a1e968	21	#include <unistd.h>
93bf083d AL	22	/}}}/
	23
	24	// AcqMethod::pkgAcqMethod - Constructor /{{{/
	25	// ---------------------------------------------------------------------
	26	/* This constructs the initialization text */
	27	pkgAcqMethod::pkgAcqMethod(const char *Ver,unsigned long Flags)
	28	{
	29	char S[300] = "";
	30	char *End = S;
	31	strcat(End,"100 Capabilities\n");
	32	sprintf(End+strlen(End),"Version: %s\n",Ver);
	33
	34	if ((Flags & SingleInstance) == SingleInstance)
	35	strcat(End,"Single-Instance: true\n");
	36
93bf083d AL	37	if ((Flags & Pipeline) == Pipeline)
	38	strcat(End,"Pipeline: true\n");
	39
	40	if ((Flags & SendConfig) == SendConfig)
	41	strcat(End,"Send-Config: true\n");
e331f6ed AL	42
	43	if ((Flags & LocalOnly) == LocalOnly)
	44	strcat(End,"Local-Only: true\n");
93bf083d AL	45	strcat(End,"\n");
	46
	47	if (write(STDOUT_FILENO,S,strlen(S)) != (signed)strlen(S))
	48	exit(100);
be4401bf AL	49
be4401bf AL	50	SetNonBlock(STDIN_FILENO,true);
5cb5d8dc	51
92e889c8	52	Queue = 0;
5cb5d8dc	53	QueueBack = 0;
93bf083d AL	54	}
	55	/}}}/
	56	// AcqMethod::Fail - A fetch has failed /{{{/
	57	// ---------------------------------------------------------------------
	58	/* */
a72ace20	59	void pkgAcqMethod::Fail(bool Transient)
93bf083d AL	60	{
	61	string Err = "Undetermined Error";
	62	if (_error->empty() == false)
	63	_error->PopMessage(Err);
	64	_error->Discard();
a72ace20	65	Fail(Err,Transient);
93bf083d AL	66	}
	67	/}}}/
	68	// AcqMethod::Fail - A fetch has failed /{{{/
	69	// ---------------------------------------------------------------------
	70	/* */
a72ace20	71	void pkgAcqMethod::Fail(string Err,bool Transient)
93bf083d AL	72	{
93bf083d AL	73	char S[1024];
be4401bf AL	74	if (Queue != 0)
	75	{
	76	snprintf(S,sizeof(S),"400 URI Failure\nURI: %s\n"
a72ace20 AL	77	"Message: %s\n",Queue->Uri.c_str(),Err.c_str());
a72ace20 AL	78
be4401bf AL	79	// Dequeue
	80	FetchItem *Tmp = Queue;
	81	Queue = Queue->Next;
	82	delete Tmp;
5cb5d8dc AL	83	if (Tmp == QueueBack)
5cb5d8dc AL	84	QueueBack = Queue;
be4401bf AL	85	}
	86	else
	87	snprintf(S,sizeof(S),"400 URI Failure\nURI: <UNKNOWN>\n"
a72ace20	88	"Message: %s\n",Err.c_str());
be4401bf	89
a72ace20 AL	90	// Set the transient flag
	91	if (Transient == true)
	92	strcat(S,"Transient-Failure: true\n\n");
	93	else
	94	strcat(S,"\n");
	95
93bf083d AL	96	if (write(STDOUT_FILENO,S,strlen(S)) != (signed)strlen(S))
	97	exit(100);
	98	}
	99	/}}}/
	100	// AcqMethod::URIStart - Indicate a download is starting /{{{/
	101	// ---------------------------------------------------------------------
	102	/* */
be4401bf	103	void pkgAcqMethod::URIStart(FetchResult &Res)
93bf083d	104	{
be4401bf AL	105	if (Queue == 0)
	106	abort();
	107
93bf083d AL	108	char S[1024] = "";
	109	char *End = S;
	110
be4401bf	111	End += snprintf(S,sizeof(S),"200 URI Start\nURI: %s\n",Queue->Uri.c_str());
93bf083d AL	112	if (Res.Size != 0)
	113	End += snprintf(End,sizeof(S) - (End - S),"Size: %u\n",Res.Size);
	114
	115	if (Res.LastModified != 0)
	116	End += snprintf(End,sizeof(S) - (End - S),"Last-Modified: %s\n",
	117	TimeRFC1123(Res.LastModified).c_str());
	118
be4401bf	119	if (Res.ResumePoint != 0)
93bf083d	120	End += snprintf(End,sizeof(S) - (End - S),"Resume-Point: %u\n",
be4401bf	121	Res.ResumePoint);
93bf083d AL	122
	123	strcat(End,"\n");
	124	if (write(STDOUT_FILENO,S,strlen(S)) != (signed)strlen(S))
	125	exit(100);
	126	}
	127	/}}}/
	128	// AcqMethod::URIDone - A URI is finished /{{{/
	129	// ---------------------------------------------------------------------
	130	/* */
	131	void pkgAcqMethod::URIDone(FetchResult &Res, FetchResult *Alt)
	132	{
be4401bf AL	133	if (Queue == 0)
	134	abort();
	135
93bf083d AL	136	char S[1024] = "";
	137	char *End = S;
	138
be4401bf	139	End += snprintf(S,sizeof(S),"201 URI Done\nURI: %s\n",Queue->Uri.c_str());
93bf083d AL	140
	141	if (Res.Filename.empty() == false)
	142	End += snprintf(End,sizeof(S) - (End - S),"Filename: %s\n",Res.Filename.c_str());
	143
	144	if (Res.Size != 0)
	145	End += snprintf(End,sizeof(S) - (End - S),"Size: %u\n",Res.Size);
	146
	147	if (Res.LastModified != 0)
	148	End += snprintf(End,sizeof(S) - (End - S),"Last-Modified: %s\n",
	149	TimeRFC1123(Res.LastModified).c_str());
	150
	151	if (Res.MD5Sum.empty() == false)
fd9bd3dc	152	End += snprintf(End,sizeof(S) - (End - S),"MD5-Hash: %s\n",Res.MD5Sum.c_str());
93bf083d	153
b98f2859 AL	154	if (Res.ResumePoint != 0)
	155	End += snprintf(End,sizeof(S) - (End - S),"Resume-Point: %u\n",
	156	Res.ResumePoint);
	157
93bf083d AL	158	if (Res.IMSHit == true)
	159	strcat(End,"IMS-Hit: true\n");
	160	End = S + strlen(S);
	161
	162	if (Alt != 0)
	163	{
	164	if (Alt->Filename.empty() == false)
	165	End += snprintf(End,sizeof(S) - (End - S),"Alt-Filename: %s\n",Alt->Filename.c_str());
	166
	167	if (Alt->Size != 0)
	168	End += snprintf(End,sizeof(S) - (End - S),"Alt-Size: %u\n",Alt->Size);
	169
	170	if (Alt->LastModified != 0)
	171	End += snprintf(End,sizeof(S) - (End - S),"Alt-Last-Modified: %s\n",
	172	TimeRFC1123(Alt->LastModified).c_str());
	173
	174	if (Alt->MD5Sum.empty() == false)
fd9bd3dc	175	End += snprintf(End,sizeof(S) - (End - S),"Alt-MD5-Hash: %s\n",
93bf083d AL	176	Alt->MD5Sum.c_str());
	177
	178	if (Alt->IMSHit == true)
	179	strcat(End,"Alt-IMS-Hit: true\n");
	180	}
	181
	182	strcat(End,"\n");
	183	if (write(STDOUT_FILENO,S,strlen(S)) != (signed)strlen(S))
	184	exit(100);
be4401bf AL	185
	186	// Dequeue
	187	FetchItem *Tmp = Queue;
	188	Queue = Queue->Next;
	189	delete Tmp;
5cb5d8dc AL	190	if (Tmp == QueueBack)
5cb5d8dc AL	191	QueueBack = Queue;
93bf083d AL	192	}
93bf083d AL	193	/}}}/
f46e7681 AL	194	// AcqMethod::MediaFail - Syncronous request for new media /{{{/
	195	// ---------------------------------------------------------------------
	196	/* This sends a 403 Media Failure message to the APT and waits for it
	197	to be ackd */
018f1533	198	bool pkgAcqMethod::MediaFail(string Required,string Drive)
f46e7681 AL	199	{
	200	char S[1024];
	201	snprintf(S,sizeof(S),"403 Media Failure\nMedia: %s\nDrive: %s\n\n",
	202	Required.c_str(),Drive.c_str());
	203
	204	if (write(STDOUT_FILENO,S,strlen(S)) != (signed)strlen(S))
	205	exit(100);
	206
	207	vector<string> MyMessages;
	208
	209	/* Here we read messages until we find a 603, each non 603 message is
	210	appended to the main message list for later processing */
	211	while (1)
	212	{
	213	if (WaitFd(STDIN_FILENO) == false)
76d97c26	214	return false;
f46e7681 AL	215
f46e7681 AL	216	if (ReadMessages(STDIN_FILENO,MyMessages) == false)
76d97c26 AL	217	return false;
76d97c26 AL	218
f46e7681 AL	219	string Message = MyMessages.front();
	220	MyMessages.erase(MyMessages.begin());
	221
	222	// Fetch the message number
	223	char *End;
	224	int Number = strtol(Message.c_str(),&End,10);
	225	if (End == Message.c_str())
	226	{
	227	cerr << "Malformed message!" << endl;
	228	exit(100);
	229	}
	230
	231	// Change ack
	232	if (Number == 603)
	233	{
76d97c26	234	while (MyMessages.empty() == false)
f46e7681 AL	235	{
	236	Messages.push_back(MyMessages.front());
	237	MyMessages.erase(MyMessages.begin());
	238	}
542ec555	239
76d97c26	240	return !StringToBool(LookupTag(Message,"Fail"),false);
f46e7681 AL	241	}
	242
	243	Messages.push_back(Message);
	244	}
	245	}
	246	/}}}/
93bf083d AL	247	// AcqMethod::Configuration - Handle the configuration message /{{{/
	248	// ---------------------------------------------------------------------
	249	/* This parses each configuration entry and puts it into the _config
	250	Configuration class. */
	251	bool pkgAcqMethod::Configuration(string Message)
	252	{
	253	::Configuration &Cnf = *_config;
	254
	255	const char *I = Message.begin();
	256
	257	unsigned int Length = strlen("Config-Item");
	258	for (; I + Length < Message.end(); I++)
	259	{
	260	// Not a config item
	261	if (I[Length] != ':' \|\| stringcasecmp(I,I+Length,"Config-Item") != 0)
	262	continue;
	263
	264	I += Length + 1;
	265
	266	for (; I < Message.end() && *I == ' '; I++);
	267	const char *Equals = I;
	268	for (; Equals < Message.end() && *Equals != '='; Equals++);
	269	const char *End = Equals;
	270	for (; End < Message.end() && *End != '\n'; End++);
	271	if (End == Equals)
	272	return false;
	273
	274	Cnf.Set(string(I,Equals-I),string(Equals+1,End-Equals-1));
	275	I = End;
	276	}
	277
	278	return true;
	279	}
	280	/}}}/
	281	// AcqMethod::Run - Run the message engine /{{{/
	282	// ---------------------------------------------------------------------
	283	/* */
be4401bf	284	int pkgAcqMethod::Run(bool Single)
93bf083d	285	{
93bf083d AL	286	while (1)
93bf083d AL	287	{
be4401bf	288	// Block if the message queue is empty
93bf083d	289	if (Messages.empty() == true)
be4401bf AL	290	{
	291	if (Single == false)
	292	if (WaitFd(STDIN_FILENO) == false)
	293	return 0;
be4401bf	294
92e889c8 AL	295	if (ReadMessages(STDIN_FILENO,Messages) == false)
	296	return 0;
	297	}
	298
be4401bf AL	299	// Single mode exits if the message queue is empty
	300	if (Single == true && Messages.empty() == true)
	301	return 0;
	302
93bf083d AL	303	string Message = Messages.front();
	304	Messages.erase(Messages.begin());
	305
	306	// Fetch the message number
	307	char *End;
	308	int Number = strtol(Message.c_str(),&End,10);
	309	if (End == Message.c_str())
	310	{
	311	cerr << "Malformed message!" << endl;
	312	return 100;
	313	}
	314
	315	switch (Number)
	316	{
	317	case 601:
	318	if (Configuration(Message) == false)
	319	return 100;
	320	break;
	321
	322	case 600:
be4401bf AL	323	{
	324	FetchItem *Tmp = new FetchItem;
	325
	326	Tmp->Uri = LookupTag(Message,"URI");
	327	Tmp->DestFile = LookupTag(Message,"FileName");
b98f2859 AL	328	if (StrToTime(LookupTag(Message,"Last-Modified"),Tmp->LastModified) == false)
b98f2859 AL	329	Tmp->LastModified = 0;
a72ace20	330	Tmp->IndexFile = StringToBool(LookupTag(Message,"Index-File"),false);
be4401bf AL	331	Tmp->Next = 0;
	332
	333	// Append it to the list
	334	FetchItem **I = &Queue;
92e889c8	335	for (; I != 0; I = &(I)->Next);
be4401bf	336	*I = Tmp;
5cb5d8dc AL	337	if (QueueBack == 0)
	338	QueueBack = Tmp;
	339
bfd22fc0	340	// Notify that this item is to be fetched.
be4401bf	341	if (Fetch(Tmp) == false)
93bf083d	342	Fail();
bfd22fc0	343
93bf083d AL	344	break;
	345	}
	346	}
	347	}
	348
	349	return 0;
	350	}
	351	/}}}/
be4401bf AL	352	// AcqMethod::Log - Send a log message /{{{/
	353	// ---------------------------------------------------------------------
	354	/* */
	355	void pkgAcqMethod::Log(const char *Format,...)
	356	{
	357	string CurrentURI = "<UNKNOWN>";
	358	if (Queue != 0)
	359	CurrentURI = Queue->Uri;
	360
	361	va_list args;
	362	va_start(args,Format);
	363
	364	// sprintf the description
	365	char S[1024];
	366	unsigned int Len = snprintf(S,sizeof(S),"101 Log\nURI: %s\n"
	367	"Message: ",CurrentURI.c_str());
	368
	369	vsnprintf(S+Len,sizeof(S)-Len,Format,args);
	370	strcat(S,"\n\n");
	371
	372	if (write(STDOUT_FILENO,S,strlen(S)) != (signed)strlen(S))
	373	exit(100);
	374	}
	375	/}}}/
	376	// AcqMethod::Status - Send a status message /{{{/
	377	// ---------------------------------------------------------------------
	378	/* */
	379	void pkgAcqMethod::Status(const char *Format,...)
	380	{
	381	string CurrentURI = "<UNKNOWN>";
	382	if (Queue != 0)
	383	CurrentURI = Queue->Uri;
	384
	385	va_list args;
	386	va_start(args,Format);
	387
	388	// sprintf the description
	389	char S[1024];
8267fe24	390	unsigned int Len = snprintf(S,sizeof(S),"102 Status\nURI: %s\n"
be4401bf AL	391	"Message: ",CurrentURI.c_str());
	392
	393	vsnprintf(S+Len,sizeof(S)-Len,Format,args);
	394	strcat(S,"\n\n");
	395
	396	if (write(STDOUT_FILENO,S,strlen(S)) != (signed)strlen(S))
	397	exit(100);
	398	}
	399	/}}}/
	400
93bf083d AL	401	// AcqMethod::FetchResult::FetchResult - Constructor /{{{/
	402	// ---------------------------------------------------------------------
	403	/* */
93274b8d AL	404	pkgAcqMethod::FetchResult::FetchResult() : LastModified(0),
93274b8d AL	405	IMSHit(false), Size(0), ResumePoint(0)
93bf083d AL	406	{
	407	}
	408	/}}}/
	409