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lock_client.cc
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lock_client.cc
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// RPC stubs for clients to talk to lock_server
#include "lock_client.h"
#include "rpc.h"
#include <arpa/inet.h>
#include <sstream>
#include <iostream>
#include <stdio.h>
using namespace std;
lock_client::lock_client(std::string dst)
{
sockaddr_in dstsock;
make_sockaddr(dst.c_str(), &dstsock);
cl = new rpcc(dstsock);
if (cl->bind() < 0) {
printf("lock_client: call bind\n");
}
// cout << "\nok is " << lock_protocol::OK;
// cout << "\nretry is " << lock_protocol::RETRY;
// cout << "\nrpcerr is " << lock_protocol::RPCERR;
// cout << "\nnoent is " << lock_protocol::NOENT;
// cout << "\nioerr is " << lock_protocol::IOERR << "\n";
}
int
lock_client::stat(lock_protocol::lockid_t lid)
{
int r;
int ret = cl->call(lock_protocol::stat, cl->id(), lid, r);
VERIFY (ret == lock_protocol::OK);
return r;
}
lock_protocol::status
lock_client::acquire(lock_protocol::lockid_t lid)
{
//make rpc call to acquire lock
//cout << "\nattempting to acquire";
int r;
int ret = cl->call(lock_protocol::acquire, lid,r);
//cout << "\n" << ret << "\n";
return ret;
}
lock_protocol::status
lock_client::release(lock_protocol::lockid_t lid)
{
int r;
lock_protocol::status ret = cl->call(lock_protocol::release,lid,r);
return ret;
}