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

// -*- mode: cpp; mode: fold -*-
// Description								/*{{{*/
// $Id: acquire-method.cc,v 1.13 1998/12/05 01:45:19 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 & 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;
}
									/*}}}*/
// 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;
   }
   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),"MD5Sum: %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-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);

   // Dequeue
   FetchItem *Tmp = Queue;
   Queue = Queue->Next;
   delete Tmp;
}
									/*}}}*/
// 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;

	    // 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 /{{{/
76d97c26	3	// $Id: acquire-method.cc,v 1.13 1998/12/05 01:45:19 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>
	17	#include <strutl.h>
	18	#include <apt-pkg/fileutl.h>
	19
	20	#include <stdio.h>
	21	/}}}/
	22
	23	// AcqMethod::pkgAcqMethod - Constructor /{{{/
	24	// ---------------------------------------------------------------------
	25	/* This constructs the initialization text */
	26	pkgAcqMethod::pkgAcqMethod(const char *Ver,unsigned long Flags)
	27	{
	28	char S[300] = "";
	29	char *End = S;
	30	strcat(End,"100 Capabilities\n");
	31	sprintf(End+strlen(End),"Version: %s\n",Ver);
	32
	33	if ((Flags & SingleInstance) == SingleInstance)
	34	strcat(End,"Single-Instance: true\n");
	35
93bf083d AL	36	if ((Flags & Pipeline) == Pipeline)
	37	strcat(End,"Pipeline: true\n");
	38
	39	if ((Flags & SendConfig) == SendConfig)
	40	strcat(End,"Send-Config: true\n");
e331f6ed AL	41
	42	if ((Flags & LocalOnly) == LocalOnly)
	43	strcat(End,"Local-Only: true\n");
93bf083d AL	44	strcat(End,"\n");
	45
	46	if (write(STDOUT_FILENO,S,strlen(S)) != (signed)strlen(S))
	47	exit(100);
be4401bf AL	48
be4401bf AL	49	SetNonBlock(STDIN_FILENO,true);
92e889c8 AL	50
92e889c8 AL	51	Queue = 0;
93bf083d AL	52	}
	53	/}}}/
	54	// AcqMethod::Fail - A fetch has failed /{{{/
	55	// ---------------------------------------------------------------------
	56	/* */
a72ace20	57	void pkgAcqMethod::Fail(bool Transient)
93bf083d AL	58	{
	59	string Err = "Undetermined Error";
	60	if (_error->empty() == false)
	61	_error->PopMessage(Err);
	62	_error->Discard();
a72ace20	63	Fail(Err,Transient);
93bf083d AL	64	}
	65	/}}}/
	66	// AcqMethod::Fail - A fetch has failed /{{{/
	67	// ---------------------------------------------------------------------
	68	/* */
a72ace20	69	void pkgAcqMethod::Fail(string Err,bool Transient)
93bf083d AL	70	{
93bf083d AL	71	char S[1024];
be4401bf AL	72	if (Queue != 0)
	73	{
	74	snprintf(S,sizeof(S),"400 URI Failure\nURI: %s\n"
a72ace20 AL	75	"Message: %s\n",Queue->Uri.c_str(),Err.c_str());
a72ace20 AL	76
be4401bf AL	77	// Dequeue
	78	FetchItem *Tmp = Queue;
	79	Queue = Queue->Next;
	80	delete Tmp;
	81	}
	82	else
	83	snprintf(S,sizeof(S),"400 URI Failure\nURI: <UNKNOWN>\n"
a72ace20	84	"Message: %s\n",Err.c_str());
be4401bf	85
a72ace20 AL	86	// Set the transient flag
	87	if (Transient == true)
	88	strcat(S,"Transient-Failure: true\n\n");
	89	else
	90	strcat(S,"\n");
	91
93bf083d AL	92	if (write(STDOUT_FILENO,S,strlen(S)) != (signed)strlen(S))
	93	exit(100);
	94	}
	95	/}}}/
	96	// AcqMethod::URIStart - Indicate a download is starting /{{{/
	97	// ---------------------------------------------------------------------
	98	/* */
be4401bf	99	void pkgAcqMethod::URIStart(FetchResult &Res)
93bf083d	100	{
be4401bf AL	101	if (Queue == 0)
	102	abort();
	103
93bf083d AL	104	char S[1024] = "";
	105	char *End = S;
	106
be4401bf	107	End += snprintf(S,sizeof(S),"200 URI Start\nURI: %s\n",Queue->Uri.c_str());
93bf083d AL	108	if (Res.Size != 0)
	109	End += snprintf(End,sizeof(S) - (End - S),"Size: %u\n",Res.Size);
	110
	111	if (Res.LastModified != 0)
	112	End += snprintf(End,sizeof(S) - (End - S),"Last-Modified: %s\n",
	113	TimeRFC1123(Res.LastModified).c_str());
	114
be4401bf	115	if (Res.ResumePoint != 0)
93bf083d	116	End += snprintf(End,sizeof(S) - (End - S),"Resume-Point: %u\n",
be4401bf	117	Res.ResumePoint);
93bf083d AL	118
	119	strcat(End,"\n");
	120	if (write(STDOUT_FILENO,S,strlen(S)) != (signed)strlen(S))
	121	exit(100);
	122	}
	123	/}}}/
	124	// AcqMethod::URIDone - A URI is finished /{{{/
	125	// ---------------------------------------------------------------------
	126	/* */
	127	void pkgAcqMethod::URIDone(FetchResult &Res, FetchResult *Alt)
	128	{
be4401bf AL	129	if (Queue == 0)
	130	abort();
	131
93bf083d AL	132	char S[1024] = "";
	133	char *End = S;
	134
be4401bf	135	End += snprintf(S,sizeof(S),"201 URI Done\nURI: %s\n",Queue->Uri.c_str());
93bf083d AL	136
	137	if (Res.Filename.empty() == false)
	138	End += snprintf(End,sizeof(S) - (End - S),"Filename: %s\n",Res.Filename.c_str());
	139
	140	if (Res.Size != 0)
	141	End += snprintf(End,sizeof(S) - (End - S),"Size: %u\n",Res.Size);
	142
	143	if (Res.LastModified != 0)
	144	End += snprintf(End,sizeof(S) - (End - S),"Last-Modified: %s\n",
	145	TimeRFC1123(Res.LastModified).c_str());
	146
	147	if (Res.MD5Sum.empty() == false)
	148	End += snprintf(End,sizeof(S) - (End - S),"MD5Sum: %s\n",Res.MD5Sum.c_str());
	149
b98f2859 AL	150	if (Res.ResumePoint != 0)
	151	End += snprintf(End,sizeof(S) - (End - S),"Resume-Point: %u\n",
	152	Res.ResumePoint);
	153
93bf083d AL	154	if (Res.IMSHit == true)
	155	strcat(End,"IMS-Hit: true\n");
	156	End = S + strlen(S);
	157
	158	if (Alt != 0)
	159	{
	160	if (Alt->Filename.empty() == false)
	161	End += snprintf(End,sizeof(S) - (End - S),"Alt-Filename: %s\n",Alt->Filename.c_str());
	162
	163	if (Alt->Size != 0)
	164	End += snprintf(End,sizeof(S) - (End - S),"Alt-Size: %u\n",Alt->Size);
	165
	166	if (Alt->LastModified != 0)
	167	End += snprintf(End,sizeof(S) - (End - S),"Alt-Last-Modified: %s\n",
	168	TimeRFC1123(Alt->LastModified).c_str());
	169
	170	if (Alt->MD5Sum.empty() == false)
	171	End += snprintf(End,sizeof(S) - (End - S),"Alt-MD5Sum: %s\n",
	172	Alt->MD5Sum.c_str());
	173
	174	if (Alt->IMSHit == true)
	175	strcat(End,"Alt-IMS-Hit: true\n");
	176	}
	177
	178	strcat(End,"\n");
	179	if (write(STDOUT_FILENO,S,strlen(S)) != (signed)strlen(S))
	180	exit(100);
be4401bf AL	181
	182	// Dequeue
	183	FetchItem *Tmp = Queue;
	184	Queue = Queue->Next;
	185	delete Tmp;
93bf083d AL	186	}
93bf083d AL	187	/}}}/
f46e7681 AL	188	// AcqMethod::MediaFail - Syncronous request for new media /{{{/
	189	// ---------------------------------------------------------------------
	190	/* This sends a 403 Media Failure message to the APT and waits for it
	191	to be ackd */
018f1533	192	bool pkgAcqMethod::MediaFail(string Required,string Drive)
f46e7681 AL	193	{
	194	char S[1024];
	195	snprintf(S,sizeof(S),"403 Media Failure\nMedia: %s\nDrive: %s\n\n",
	196	Required.c_str(),Drive.c_str());
	197
	198	if (write(STDOUT_FILENO,S,strlen(S)) != (signed)strlen(S))
	199	exit(100);
	200
	201	vector<string> MyMessages;
	202
	203	/* Here we read messages until we find a 603, each non 603 message is
	204	appended to the main message list for later processing */
	205	while (1)
	206	{
	207	if (WaitFd(STDIN_FILENO) == false)
76d97c26	208	return false;
f46e7681 AL	209
f46e7681 AL	210	if (ReadMessages(STDIN_FILENO,MyMessages) == false)
76d97c26 AL	211	return false;
76d97c26 AL	212
f46e7681 AL	213	string Message = MyMessages.front();
	214	MyMessages.erase(MyMessages.begin());
	215
	216	// Fetch the message number
	217	char *End;
	218	int Number = strtol(Message.c_str(),&End,10);
	219	if (End == Message.c_str())
	220	{
	221	cerr << "Malformed message!" << endl;
	222	exit(100);
	223	}
	224
	225	// Change ack
	226	if (Number == 603)
	227	{
76d97c26	228	while (MyMessages.empty() == false)
f46e7681 AL	229	{
	230	Messages.push_back(MyMessages.front());
	231	MyMessages.erase(MyMessages.begin());
	232	}
542ec555	233
76d97c26	234	return !StringToBool(LookupTag(Message,"Fail"),false);
f46e7681 AL	235	}
	236
	237	Messages.push_back(Message);
	238	}
	239	}
	240	/}}}/
93bf083d AL	241	// AcqMethod::Configuration - Handle the configuration message /{{{/
	242	// ---------------------------------------------------------------------
	243	/* This parses each configuration entry and puts it into the _config
	244	Configuration class. */
	245	bool pkgAcqMethod::Configuration(string Message)
	246	{
	247	::Configuration &Cnf = *_config;
	248
	249	const char *I = Message.begin();
	250
	251	unsigned int Length = strlen("Config-Item");
	252	for (; I + Length < Message.end(); I++)
	253	{
	254	// Not a config item
	255	if (I[Length] != ':' \|\| stringcasecmp(I,I+Length,"Config-Item") != 0)
	256	continue;
	257
	258	I += Length + 1;
	259
	260	for (; I < Message.end() && *I == ' '; I++);
	261	const char *Equals = I;
	262	for (; Equals < Message.end() && *Equals != '='; Equals++);
	263	const char *End = Equals;
	264	for (; End < Message.end() && *End != '\n'; End++);
	265	if (End == Equals)
	266	return false;
	267
	268	Cnf.Set(string(I,Equals-I),string(Equals+1,End-Equals-1));
	269	I = End;
	270	}
	271
	272	return true;
	273	}
	274	/}}}/
	275	// AcqMethod::Run - Run the message engine /{{{/
	276	// ---------------------------------------------------------------------
	277	/* */
be4401bf	278	int pkgAcqMethod::Run(bool Single)
93bf083d	279	{
93bf083d AL	280	while (1)
93bf083d AL	281	{
be4401bf	282	// Block if the message queue is empty
93bf083d	283	if (Messages.empty() == true)
be4401bf AL	284	{
	285	if (Single == false)
	286	if (WaitFd(STDIN_FILENO) == false)
	287	return 0;
be4401bf	288
92e889c8 AL	289	if (ReadMessages(STDIN_FILENO,Messages) == false)
	290	return 0;
	291	}
	292
be4401bf AL	293	// Single mode exits if the message queue is empty
	294	if (Single == true && Messages.empty() == true)
	295	return 0;
	296
93bf083d AL	297	string Message = Messages.front();
	298	Messages.erase(Messages.begin());
	299
	300	// Fetch the message number
	301	char *End;
	302	int Number = strtol(Message.c_str(),&End,10);
	303	if (End == Message.c_str())
	304	{
	305	cerr << "Malformed message!" << endl;
	306	return 100;
	307	}
	308
	309	switch (Number)
	310	{
	311	case 601:
	312	if (Configuration(Message) == false)
	313	return 100;
	314	break;
	315
	316	case 600:
be4401bf AL	317	{
	318	FetchItem *Tmp = new FetchItem;
	319
	320	Tmp->Uri = LookupTag(Message,"URI");
	321	Tmp->DestFile = LookupTag(Message,"FileName");
b98f2859 AL	322	if (StrToTime(LookupTag(Message,"Last-Modified"),Tmp->LastModified) == false)
b98f2859 AL	323	Tmp->LastModified = 0;
a72ace20	324	Tmp->IndexFile = StringToBool(LookupTag(Message,"Index-File"),false);
be4401bf AL	325	Tmp->Next = 0;
	326
	327	// Append it to the list
	328	FetchItem **I = &Queue;
92e889c8	329	for (; I != 0; I = &(I)->Next);
be4401bf	330	*I = Tmp;
bfd22fc0 AL	331
bfd22fc0 AL	332	// Notify that this item is to be fetched.
be4401bf	333	if (Fetch(Tmp) == false)
93bf083d	334	Fail();
bfd22fc0	335
93bf083d AL	336	break;
	337	}
	338	}
	339	}
	340
	341	return 0;
	342	}
	343	/}}}/
be4401bf AL	344	// AcqMethod::Log - Send a log message /{{{/
	345	// ---------------------------------------------------------------------
	346	/* */
	347	void pkgAcqMethod::Log(const char *Format,...)
	348	{
	349	string CurrentURI = "<UNKNOWN>";
	350	if (Queue != 0)
	351	CurrentURI = Queue->Uri;
	352
	353	va_list args;
	354	va_start(args,Format);
	355
	356	// sprintf the description
	357	char S[1024];
	358	unsigned int Len = snprintf(S,sizeof(S),"101 Log\nURI: %s\n"
	359	"Message: ",CurrentURI.c_str());
	360
	361	vsnprintf(S+Len,sizeof(S)-Len,Format,args);
	362	strcat(S,"\n\n");
	363
	364	if (write(STDOUT_FILENO,S,strlen(S)) != (signed)strlen(S))
	365	exit(100);
	366	}
	367	/}}}/
	368	// AcqMethod::Status - Send a status message /{{{/
	369	// ---------------------------------------------------------------------
	370	/* */
	371	void pkgAcqMethod::Status(const char *Format,...)
	372	{
	373	string CurrentURI = "<UNKNOWN>";
	374	if (Queue != 0)
	375	CurrentURI = Queue->Uri;
	376
	377	va_list args;
	378	va_start(args,Format);
	379
	380	// sprintf the description
	381	char S[1024];
8267fe24	382	unsigned int Len = snprintf(S,sizeof(S),"102 Status\nURI: %s\n"
be4401bf AL	383	"Message: ",CurrentURI.c_str());
	384
	385	vsnprintf(S+Len,sizeof(S)-Len,Format,args);
	386	strcat(S,"\n\n");
	387
	388	if (write(STDOUT_FILENO,S,strlen(S)) != (signed)strlen(S))
	389	exit(100);
	390	}
	391	/}}}/
	392
93bf083d AL	393	// AcqMethod::FetchResult::FetchResult - Constructor /{{{/
	394	// ---------------------------------------------------------------------
	395	/* */
93274b8d AL	396	pkgAcqMethod::FetchResult::FetchResult() : LastModified(0),
93274b8d AL	397	IMSHit(false), Size(0), ResumePoint(0)
93bf083d AL	398	{
	399	}
	400	/}}}/
	401