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

// -*- mode: cpp; mode: fold -*-
// Description								/*{{{*/
// $Id: acquire-method.cc,v 1.15 1999/01/24 21:16:04 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;
   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 /{{{/
fd9bd3dc	3	// $Id: acquire-method.cc,v 1.15 1999/01/24 21:16:04 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);
5cb5d8dc	50
92e889c8	51	Queue = 0;
5cb5d8dc	52	QueueBack = 0;
93bf083d AL	53	}
	54	/}}}/
	55	// AcqMethod::Fail - A fetch has failed /{{{/
	56	// ---------------------------------------------------------------------
	57	/* */
a72ace20	58	void pkgAcqMethod::Fail(bool Transient)
93bf083d AL	59	{
	60	string Err = "Undetermined Error";
	61	if (_error->empty() == false)
	62	_error->PopMessage(Err);
	63	_error->Discard();
a72ace20	64	Fail(Err,Transient);
93bf083d AL	65	}
	66	/}}}/
	67	// AcqMethod::Fail - A fetch has failed /{{{/
	68	// ---------------------------------------------------------------------
	69	/* */
a72ace20	70	void pkgAcqMethod::Fail(string Err,bool Transient)
93bf083d AL	71	{
93bf083d AL	72	char S[1024];
be4401bf AL	73	if (Queue != 0)
	74	{
	75	snprintf(S,sizeof(S),"400 URI Failure\nURI: %s\n"
a72ace20 AL	76	"Message: %s\n",Queue->Uri.c_str(),Err.c_str());
a72ace20 AL	77
be4401bf AL	78	// Dequeue
	79	FetchItem *Tmp = Queue;
	80	Queue = Queue->Next;
	81	delete Tmp;
5cb5d8dc AL	82	if (Tmp == QueueBack)
5cb5d8dc AL	83	QueueBack = Queue;
be4401bf AL	84	}
	85	else
	86	snprintf(S,sizeof(S),"400 URI Failure\nURI: <UNKNOWN>\n"
a72ace20	87	"Message: %s\n",Err.c_str());
be4401bf	88
a72ace20 AL	89	// Set the transient flag
	90	if (Transient == true)
	91	strcat(S,"Transient-Failure: true\n\n");
	92	else
	93	strcat(S,"\n");
	94
93bf083d AL	95	if (write(STDOUT_FILENO,S,strlen(S)) != (signed)strlen(S))
	96	exit(100);
	97	}
	98	/}}}/
	99	// AcqMethod::URIStart - Indicate a download is starting /{{{/
	100	// ---------------------------------------------------------------------
	101	/* */
be4401bf	102	void pkgAcqMethod::URIStart(FetchResult &Res)
93bf083d	103	{
be4401bf AL	104	if (Queue == 0)
	105	abort();
	106
93bf083d AL	107	char S[1024] = "";
	108	char *End = S;
	109
be4401bf	110	End += snprintf(S,sizeof(S),"200 URI Start\nURI: %s\n",Queue->Uri.c_str());
93bf083d AL	111	if (Res.Size != 0)
	112	End += snprintf(End,sizeof(S) - (End - S),"Size: %u\n",Res.Size);
	113
	114	if (Res.LastModified != 0)
	115	End += snprintf(End,sizeof(S) - (End - S),"Last-Modified: %s\n",
	116	TimeRFC1123(Res.LastModified).c_str());
	117
be4401bf	118	if (Res.ResumePoint != 0)
93bf083d	119	End += snprintf(End,sizeof(S) - (End - S),"Resume-Point: %u\n",
be4401bf	120	Res.ResumePoint);
93bf083d AL	121
	122	strcat(End,"\n");
	123	if (write(STDOUT_FILENO,S,strlen(S)) != (signed)strlen(S))
	124	exit(100);
	125	}
	126	/}}}/
	127	// AcqMethod::URIDone - A URI is finished /{{{/
	128	// ---------------------------------------------------------------------
	129	/* */
	130	void pkgAcqMethod::URIDone(FetchResult &Res, FetchResult *Alt)
	131	{
be4401bf AL	132	if (Queue == 0)
	133	abort();
	134
93bf083d AL	135	char S[1024] = "";
	136	char *End = S;
	137
be4401bf	138	End += snprintf(S,sizeof(S),"201 URI Done\nURI: %s\n",Queue->Uri.c_str());
93bf083d AL	139
	140	if (Res.Filename.empty() == false)
	141	End += snprintf(End,sizeof(S) - (End - S),"Filename: %s\n",Res.Filename.c_str());
	142
	143	if (Res.Size != 0)
	144	End += snprintf(End,sizeof(S) - (End - S),"Size: %u\n",Res.Size);
	145
	146	if (Res.LastModified != 0)
	147	End += snprintf(End,sizeof(S) - (End - S),"Last-Modified: %s\n",
	148	TimeRFC1123(Res.LastModified).c_str());
	149
	150	if (Res.MD5Sum.empty() == false)
fd9bd3dc	151	End += snprintf(End,sizeof(S) - (End - S),"MD5-Hash: %s\n",Res.MD5Sum.c_str());
93bf083d	152
b98f2859 AL	153	if (Res.ResumePoint != 0)
	154	End += snprintf(End,sizeof(S) - (End - S),"Resume-Point: %u\n",
	155	Res.ResumePoint);
	156
93bf083d AL	157	if (Res.IMSHit == true)
	158	strcat(End,"IMS-Hit: true\n");
	159	End = S + strlen(S);
	160
	161	if (Alt != 0)
	162	{
	163	if (Alt->Filename.empty() == false)
	164	End += snprintf(End,sizeof(S) - (End - S),"Alt-Filename: %s\n",Alt->Filename.c_str());
	165
	166	if (Alt->Size != 0)
	167	End += snprintf(End,sizeof(S) - (End - S),"Alt-Size: %u\n",Alt->Size);
	168
	169	if (Alt->LastModified != 0)
	170	End += snprintf(End,sizeof(S) - (End - S),"Alt-Last-Modified: %s\n",
	171	TimeRFC1123(Alt->LastModified).c_str());
	172
	173	if (Alt->MD5Sum.empty() == false)
fd9bd3dc	174	End += snprintf(End,sizeof(S) - (End - S),"Alt-MD5-Hash: %s\n",
93bf083d AL	175	Alt->MD5Sum.c_str());
	176
	177	if (Alt->IMSHit == true)
	178	strcat(End,"Alt-IMS-Hit: true\n");
	179	}
	180
	181	strcat(End,"\n");
	182	if (write(STDOUT_FILENO,S,strlen(S)) != (signed)strlen(S))
	183	exit(100);
be4401bf AL	184
	185	// Dequeue
	186	FetchItem *Tmp = Queue;
	187	Queue = Queue->Next;
	188	delete Tmp;
5cb5d8dc AL	189	if (Tmp == QueueBack)
5cb5d8dc AL	190	QueueBack = Queue;
93bf083d AL	191	}
93bf083d AL	192	/}}}/
f46e7681 AL	193	// AcqMethod::MediaFail - Syncronous request for new media /{{{/
	194	// ---------------------------------------------------------------------
	195	/* This sends a 403 Media Failure message to the APT and waits for it
	196	to be ackd */
018f1533	197	bool pkgAcqMethod::MediaFail(string Required,string Drive)
f46e7681 AL	198	{
	199	char S[1024];
	200	snprintf(S,sizeof(S),"403 Media Failure\nMedia: %s\nDrive: %s\n\n",
	201	Required.c_str(),Drive.c_str());
	202
	203	if (write(STDOUT_FILENO,S,strlen(S)) != (signed)strlen(S))
	204	exit(100);
	205
	206	vector<string> MyMessages;
	207
	208	/* Here we read messages until we find a 603, each non 603 message is
	209	appended to the main message list for later processing */
	210	while (1)
	211	{
	212	if (WaitFd(STDIN_FILENO) == false)
76d97c26	213	return false;
f46e7681 AL	214
f46e7681 AL	215	if (ReadMessages(STDIN_FILENO,MyMessages) == false)
76d97c26 AL	216	return false;
76d97c26 AL	217
f46e7681 AL	218	string Message = MyMessages.front();
	219	MyMessages.erase(MyMessages.begin());
	220
	221	// Fetch the message number
	222	char *End;
	223	int Number = strtol(Message.c_str(),&End,10);
	224	if (End == Message.c_str())
	225	{
	226	cerr << "Malformed message!" << endl;
	227	exit(100);
	228	}
	229
	230	// Change ack
	231	if (Number == 603)
	232	{
76d97c26	233	while (MyMessages.empty() == false)
f46e7681 AL	234	{
	235	Messages.push_back(MyMessages.front());
	236	MyMessages.erase(MyMessages.begin());
	237	}
542ec555	238
76d97c26	239	return !StringToBool(LookupTag(Message,"Fail"),false);
f46e7681 AL	240	}
	241
	242	Messages.push_back(Message);
	243	}
	244	}
	245	/}}}/
93bf083d AL	246	// AcqMethod::Configuration - Handle the configuration message /{{{/
	247	// ---------------------------------------------------------------------
	248	/* This parses each configuration entry and puts it into the _config
	249	Configuration class. */
	250	bool pkgAcqMethod::Configuration(string Message)
	251	{
	252	::Configuration &Cnf = *_config;
	253
	254	const char *I = Message.begin();
	255
	256	unsigned int Length = strlen("Config-Item");
	257	for (; I + Length < Message.end(); I++)
	258	{
	259	// Not a config item
	260	if (I[Length] != ':' \|\| stringcasecmp(I,I+Length,"Config-Item") != 0)
	261	continue;
	262
	263	I += Length + 1;
	264
	265	for (; I < Message.end() && *I == ' '; I++);
	266	const char *Equals = I;
	267	for (; Equals < Message.end() && *Equals != '='; Equals++);
	268	const char *End = Equals;
	269	for (; End < Message.end() && *End != '\n'; End++);
	270	if (End == Equals)
	271	return false;
	272
	273	Cnf.Set(string(I,Equals-I),string(Equals+1,End-Equals-1));
	274	I = End;
	275	}
	276
	277	return true;
	278	}
	279	/}}}/
	280	// AcqMethod::Run - Run the message engine /{{{/
	281	// ---------------------------------------------------------------------
	282	/* */
be4401bf	283	int pkgAcqMethod::Run(bool Single)
93bf083d	284	{
93bf083d AL	285	while (1)
93bf083d AL	286	{
be4401bf	287	// Block if the message queue is empty
93bf083d	288	if (Messages.empty() == true)
be4401bf AL	289	{
	290	if (Single == false)
	291	if (WaitFd(STDIN_FILENO) == false)
	292	return 0;
be4401bf	293
92e889c8 AL	294	if (ReadMessages(STDIN_FILENO,Messages) == false)
	295	return 0;
	296	}
	297
be4401bf AL	298	// Single mode exits if the message queue is empty
	299	if (Single == true && Messages.empty() == true)
	300	return 0;
	301
93bf083d AL	302	string Message = Messages.front();
	303	Messages.erase(Messages.begin());
	304
	305	// Fetch the message number
	306	char *End;
	307	int Number = strtol(Message.c_str(),&End,10);
	308	if (End == Message.c_str())
	309	{
	310	cerr << "Malformed message!" << endl;
	311	return 100;
	312	}
	313
	314	switch (Number)
	315	{
	316	case 601:
	317	if (Configuration(Message) == false)
	318	return 100;
	319	break;
	320
	321	case 600:
be4401bf AL	322	{
	323	FetchItem *Tmp = new FetchItem;
	324
	325	Tmp->Uri = LookupTag(Message,"URI");
	326	Tmp->DestFile = LookupTag(Message,"FileName");
b98f2859 AL	327	if (StrToTime(LookupTag(Message,"Last-Modified"),Tmp->LastModified) == false)
b98f2859 AL	328	Tmp->LastModified = 0;
a72ace20	329	Tmp->IndexFile = StringToBool(LookupTag(Message,"Index-File"),false);
be4401bf AL	330	Tmp->Next = 0;
	331
	332	// Append it to the list
	333	FetchItem **I = &Queue;
92e889c8	334	for (; I != 0; I = &(I)->Next);
be4401bf	335	*I = Tmp;
5cb5d8dc AL	336	if (QueueBack == 0)
	337	QueueBack = Tmp;
	338
bfd22fc0	339	// Notify that this item is to be fetched.
be4401bf	340	if (Fetch(Tmp) == false)
93bf083d	341	Fail();
bfd22fc0	342
93bf083d AL	343	break;
	344	}
	345	}
	346	}
	347
	348	return 0;
	349	}
	350	/}}}/
be4401bf AL	351	// AcqMethod::Log - Send a log message /{{{/
	352	// ---------------------------------------------------------------------
	353	/* */
	354	void pkgAcqMethod::Log(const char *Format,...)
	355	{
	356	string CurrentURI = "<UNKNOWN>";
	357	if (Queue != 0)
	358	CurrentURI = Queue->Uri;
	359
	360	va_list args;
	361	va_start(args,Format);
	362
	363	// sprintf the description
	364	char S[1024];
	365	unsigned int Len = snprintf(S,sizeof(S),"101 Log\nURI: %s\n"
	366	"Message: ",CurrentURI.c_str());
	367
	368	vsnprintf(S+Len,sizeof(S)-Len,Format,args);
	369	strcat(S,"\n\n");
	370
	371	if (write(STDOUT_FILENO,S,strlen(S)) != (signed)strlen(S))
	372	exit(100);
	373	}
	374	/}}}/
	375	// AcqMethod::Status - Send a status message /{{{/
	376	// ---------------------------------------------------------------------
	377	/* */
	378	void pkgAcqMethod::Status(const char *Format,...)
	379	{
	380	string CurrentURI = "<UNKNOWN>";
	381	if (Queue != 0)
	382	CurrentURI = Queue->Uri;
	383
	384	va_list args;
	385	va_start(args,Format);
	386
	387	// sprintf the description
	388	char S[1024];
8267fe24	389	unsigned int Len = snprintf(S,sizeof(S),"102 Status\nURI: %s\n"
be4401bf AL	390	"Message: ",CurrentURI.c_str());
	391
	392	vsnprintf(S+Len,sizeof(S)-Len,Format,args);
	393	strcat(S,"\n\n");
	394
	395	if (write(STDOUT_FILENO,S,strlen(S)) != (signed)strlen(S))
	396	exit(100);
	397	}
	398	/}}}/
	399
93bf083d AL	400	// AcqMethod::FetchResult::FetchResult - Constructor /{{{/
	401	// ---------------------------------------------------------------------
	402	/* */
93274b8d AL	403	pkgAcqMethod::FetchResult::FetchResult() : LastModified(0),
93274b8d AL	404	IMSHit(false), Size(0), ResumePoint(0)
93bf083d AL	405	{
	406	}
	407	/}}}/
	408