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/*
** Copyright 2002, Double Precision Inc.
**
** See COPYING for distribution information.
*/
#ifndef libmail_mboxmultilock_H
#define libmail_mboxmultilock_H
#include "libmail_config.h"
#include "mboxlock.H"
//
// A request for multiple messages would normally result in a separate lock
// attempt for each message. Horribly inefficient.
//
// What we do is open a lock first, and save it in the mail::mbox object.
// Before we actually try to lock something check if this lock is already
// obtained. If so, just reuse the lock
//
LIBMAIL_START
class mbox::MultiLock : public mbox::LockTask {
bool locked(file &fileArg); // No-op
public:
MultiLock(mbox &mboxAccount,
mail::callback &callbackArg);
~MultiLock();
bool locked(mbox::lock &mlock, std::string path);
};
class mbox::MultiLockGenericAttributes : public callback {
ptr<mbox> mboxAccount;
std::vector<size_t> messages;
MessageAttributes attributes;
mail::callback::message &callback;
void reportProgress(size_t bytesCompleted,
size_t bytesEstimatedTotal,
size_t messagesCompleted,
size_t messagesEstimatedTotal);
public:
MultiLockGenericAttributes(mbox &mboxAccountArg,
const std::vector<size_t> &messagesArg,
MessageAttributes attributesArg,
mail::callback::message &callbackArg);
~MultiLockGenericAttributes();
void success(std::string message);
void fail(std::string message);
};
class mbox::MultiLockGenericMessageRead : public callback {
ptr<mbox> mboxAccount;
const std::vector<size_t> messages;
bool peek;
enum mail::readMode readType;
bool justHeader;
bool justContents;
callback::message &callback;
void reportProgress(size_t bytesCompleted,
size_t bytesEstimatedTotal,
size_t messagesCompleted,
size_t messagesEstimatedTotal);
public:
MultiLockGenericMessageRead(mbox &mboxAccountArg,
const std::vector<size_t> &messagesArg,
bool peekArg,
enum mail::readMode readTypeArg,
callback::message &callbackArg);
~MultiLockGenericMessageRead();
void success(std::string message);
void fail(std::string message);
};
//
// After we're done with a multilocked request, we can free the lock
//
class mbox::MultiLockRelease : public callback::message {
callback::message * volatile origCallback;
ptr<mbox> mboxAccount;
public:
MultiLockRelease(mbox &mboxAccountArg,
callback::message &origCallbackArg);
~MultiLockRelease();
void success(std::string message);
void fail(std::string message);
void messageEnvelopeCallback(size_t messageNumber,
const envelope &envelope);
void messageArrivalDateCallback(size_t messageNumber,
time_t datetime);
void messageSizeCallback(size_t messageNumber,
unsigned long size);
void messageStructureCallback(size_t messageNumber,
const mimestruct &messageStructure);
void messageTextCallback(size_t n, std::string text);
void reportProgress(size_t bytesCompleted,
size_t bytesEstimatedTotal,
size_t messagesCompleted,
size_t messagesEstimatedTotal);
};
LIBMAIL_END
#endif
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