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// -*- mode: c++; c-file-style: "k&r"; c-basic-offset: 4 -*-
/***********************************************************************
*
* log.h:
* a replica's log of pending and committed operations
*
* Copyright 2013 Dan R. K. Ports <drkp@cs.washington.edu>
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use, copy,
* modify, merge, publish, distribute, sublicense, and/or sell copies
* of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
**********************************************************************/
#include "replication/ir/record.h"
#include "lib/assert.h"
namespace ir {
Record::Record()
{
}
RecordEntry &
Record::Add(view_t view, opid_t opid, RecordEntryState state,
const Request &request, const string &reply)
{
RecordEntry entry;
entry.view = vs;
entry.opid = opid;
entry.request = requet;
entry.state = state;
// Make sure this isn't a duplicate
ASSERT(entries.count(opid) == 0);
entries[opid] = entry;
return entries[opid];
}
// This really ought to be const
RecordEntry *
Record::Find(opid_t opid)
{
if (entries.empty() || entries.count(opid) == 0) {
return NULL;
}
RecordEntry *entry = &entries[opid];
ASSERT(entry->viewstamp.opid == opid);
return entry;
}
bool
Record::SetStatus(opnum_t op, RecordEntryState state)
{
RecordEntry *entry = Find(op);
if (entry == NULL) {
return false;
}
entry->state = state;
return true;
}
bool
Record::SetRequest(opnum_t op, const Request &req)
{
RecordEntry *entry = Find(op);
if (entry == NULL) {
return false;
}
entry->request = req;
return true;
}
void
Record::Remove(opid_t opid)
{
entries.erase(opid);
}
bool
Record::Empty() const
{
return entries.empty();
}
} // ir