int client_socket (char * host, char * port) {
int status;
int lsock = tcpsocket();
if (lsock<0) {
logging(LOG_ERROR, "can't create socket !!!");
return -1;
}
if (tcpnonblock(lsock)<0) {
logging(LOG_ERROR, "set nonblock, error: %m");
tcpclose(lsock);
return -1;
}
status = tcpstrconnect(lsock, host, port);
if (status<0) {
logging(LOG_WARN, "connect failed, error: %m");
tcpclose(lsock);
return -1;
}
if (status==0) { // connected immediately
logging(LOG_INFO,"connected immediately");
tcpnodelay(lsock);
} else {
logging(LOG_INFO,"connecting to %s:%s...", host, port);
}
return lsock;
}
void* ppfs_fsinit( struct fuse_conn_info* conn ) { //connect to MDS
fprintf(stderr, "ppfs_fsinit\n");
if((fd = tcpsocket())<0) {
fprintf(stderr, "can't create socket\n");
exit(1);
} else {
fprintf(stderr, "fd:%d\n", fd);
}
tcpnodelay(fd);
if(tcpstrconnect(fd, ip, MDS_PORT_STR)<0) {
fprintf(stderr, "can't connect to MDS (%s:%s)\n", ip, port);
fd = -1;
exit(1);
}
fprintf(stderr, "ppfs_init create socket: %u\n", fd);
local_mds.sockfd = fd;
tcpgetpeer(fd,&(local_mds.peerip),NULL);
remote_mds.sockfd = -1;
remote_mds.peerip = -1;
}