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// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
#ifndef FILESTORE_TRACKER_H
#define FILESTORE_TRACKER_H
#include "test/common/ObjectContents.h"
#include "os/filestore/FileStore.h"
#include "kv/KeyValueDB.h"
#include <boost/scoped_ptr.hpp>
#include <list>
#include <map>
#include "common/Mutex.h"
class FileStoreTracker {
const static uint64_t SIZE = 4 * 1024;
ObjectStore *store;
KeyValueDB *db;
Mutex lock;
uint64_t restart_seq;
struct OutTransaction {
list<pair<pair<coll_t, string>, uint64_t> > *in_flight;
ObjectStore::Transaction *t;
};
public:
FileStoreTracker(ObjectStore *store, KeyValueDB *db)
: store(store), db(db),
lock("Tracker Lock"), restart_seq(0) {}
class Transaction {
class Op {
public:
virtual void operator()(FileStoreTracker *harness,
OutTransaction *out) = 0;
virtual ~Op() {};
};
list<Op*> ops;
class Write : public Op {
public:
coll_t coll;
string oid;
Write(const coll_t &coll,
const string &oid)
: coll(coll), oid(oid) {}
void operator()(FileStoreTracker *harness,
OutTransaction *out) override {
harness->write(make_pair(coll, oid), out);
}
};
class CloneRange : public Op {
public:
coll_t coll;
string from;
string to;
CloneRange(const coll_t &coll,
const string &from,
const string &to)
: coll(coll), from(from), to(to) {}
void operator()(FileStoreTracker *harness,
OutTransaction *out) override {
harness->clone_range(make_pair(coll, from), make_pair(coll, to),
out);
}
};
class Clone : public Op {
public:
coll_t coll;
string from;
string to;
Clone(const coll_t &coll,
const string &from,
const string &to)
: coll(coll), from(from), to(to) {}
void operator()(FileStoreTracker *harness,
OutTransaction *out) override {
harness->clone(make_pair(coll, from), make_pair(coll, to),
out);
}
};
class Remove: public Op {
public:
coll_t coll;
string obj;
Remove(const coll_t &coll,
const string &obj)
: coll(coll), obj(obj) {}
void operator()(FileStoreTracker *harness,
OutTransaction *out) override {
harness->remove(make_pair(coll, obj),
out);
}
};
public:
void write(const coll_t &coll, const string &oid) {
ops.push_back(new Write(coll, oid));
}
void clone_range(const coll_t &coll, const string &from,
const string &to) {
ops.push_back(new CloneRange(coll, from, to));
}
void clone(const coll_t &coll, const string &from,
const string &to) {
ops.push_back(new Clone(coll, from, to));
}
void remove(const coll_t &coll, const string &oid) {
ops.push_back(new Remove(coll, oid));
}
friend class FileStoreTracker;
};
int init();
void submit_transaction(Transaction &t);
void verify(const coll_t &coll,
const string &from,
bool on_start = false);
private:
ObjectContents get_current_content(const pair<coll_t, string> &obj);
pair<uint64_t, uint64_t> get_valid_reads(const pair<coll_t, string> &obj);
ObjectContents get_content(const pair<coll_t, string> &obj, uint64_t version);
void committed(const pair<coll_t, string> &obj, uint64_t seq);
void applied(const pair<coll_t, string> &obj, uint64_t seq);
uint64_t set_content(const pair<coll_t, string> &obj, ObjectContents &content);
// ObjectContents Operations
void write(const pair<coll_t, string> &obj, OutTransaction *out);
void remove(const pair<coll_t, string> &obj, OutTransaction *out);
void clone_range(const pair<coll_t, string> &from,
const pair<coll_t, string> &to,
OutTransaction *out);
void clone(const pair<coll_t, string> &from,
const pair<coll_t, string> &to,
OutTransaction *out);
friend class OnApplied;
friend class OnCommitted;
};
#endif
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