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// -*- mode: cpp; mode: fold -*-
// Description /*{{{*/
// $Id: acquire-worker.h,v 1.8 1998/12/04 21:16:48 jgg Exp $
/* ######################################################################
Acquire Worker - Worker process manager
Each worker class is associated with exaclty one subprocess.
##################################################################### */
/*}}}*/
#ifndef PKGLIB_ACQUIRE_WORKER_H
#define PKGLIB_ACQUIRE_WORKER_H
#include <apt-pkg/acquire.h>
#ifdef __GNUG__
#pragma interface "apt-pkg/acquire-worker.h"
#endif
// Interfacing to the method process
class pkgAcquire::Worker
{
friend pkgAcquire;
protected:
friend Queue;
/* Linked list starting at a Queue and a linked list starting
at Acquire */
Worker *NextQueue;
Worker *NextAcquire;
// The access association
Queue *OwnerQ;
pkgAcquireStatus *Log;
MethodConfig *Config;
string Access;
// This is the subprocess IPC setup
pid_t Process;
int InFd;
int OutFd;
bool InReady;
bool OutReady;
// Various internal things
bool Debug;
vector<string> MessageQueue;
string OutQueue;
// Private constructor helper
void Construct();
// Message handling things
bool ReadMessages();
bool RunMessages();
bool InFdReady();
bool OutFdReady();
// The message handlers
bool Capabilities(string Message);
bool SendConfiguration();
bool MediaChange(string Message);
bool MethodFailure();
void ItemDone();
public:
// The curent method state
pkgAcquire::Queue::QItem *CurrentItem;
string Status;
unsigned long CurrentSize;
unsigned long TotalSize;
// Load the method and do the startup
bool QueueItem(pkgAcquire::Queue::QItem *Item);
bool Start();
void Pulse();
Worker(Queue *OwnerQ,MethodConfig *Config,pkgAcquireStatus *Log);
Worker(MethodConfig *Config);
~Worker();
};
#endif