-
Notifications
You must be signed in to change notification settings - Fork 1
/
lock_client_cache_rsm.h
51 lines (41 loc) · 1.36 KB
/
lock_client_cache_rsm.h
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
// lock client interface.
#ifndef lock_client_cache_rsm_h
#define lock_client_cache_rsm_h
#include <string>
#include "lock_protocol.h"
#include "rpc.h"
#include "lock_client.h"
#include "lang/verify.h"
#include "rsm_client.h"
// Classes that inherit lock_release_user can override dorelease so that
// that they will be called when lock_client releases a lock.
// You will not need to do anything with this class until Lab 5.
class lock_release_user {
public:
virtual void dorelease(lock_protocol::lockid_t) = 0;
virtual ~lock_release_user() {};
};
class lock_client_cache_rsm;
// Clients that caches locks. The server can revoke locks using
// lock_revoke_server.
class lock_client_cache_rsm : public lock_client {
private:
rsm_client *rsmc;
class lock_release_user *lu;
int rlock_port;
std::string hostname;
std::string id;
lock_protocol::xid_t xid;
public:
static int last_port;
lock_client_cache_rsm(std::string xdst, class lock_release_user *l = 0);
virtual ~lock_client_cache_rsm() {};
lock_protocol::status acquire(lock_protocol::lockid_t);
virtual lock_protocol::status release(lock_protocol::lockid_t);
void releaser();
rlock_protocol::status revoke_handler(lock_protocol::lockid_t,
lock_protocol::xid_t, int &);
rlock_protocol::status retry_handler(lock_protocol::lockid_t,
lock_protocol::xid_t, int &);
};
#endif