static int afp_server_reconnect_loud(struct fuse_client * c, struct afp_server * s)
{
char mesg[1024];
unsigned int l = 2040;
int rc;
rc=afp_server_reconnect(s,mesg,&l,l);
if (rc)
log_for_client((void *) c,AFPFSD,LOG_ERR,
"%s",mesg);
return rc;
}
int dsi_send(struct afp_server *server, char * msg, int size,int wait,unsigned char subcommand, void ** other)
{
/* For wait:
* -1: wait forever
* 0: don't wait
* x>n: wait for N seconds */
struct dsi_header *header = (struct dsi_header *) msg;
struct dsi_request * new_request, *p;
int rc=0;
struct timespec ts;
struct timeval tv;
header->length=htonl(size-sizeof(struct dsi_header));
if (!server_still_valid(server) || server->fd==0)
return -1;
afp_wait_for_started_loop();
/* Add request to the queue */
if (!(new_request=malloc(sizeof(struct dsi_request)))) {
log_for_client(NULL,AFPFSD,LOG_ERR,
"Could not allocate for new request\n");
return -1;
}
memset(new_request,0,sizeof(struct dsi_request));
new_request->requestid=server->lastrequestid;
new_request->subcommand=subcommand;
new_request->other=other;
new_request->wait=wait;
new_request->next=NULL;
pthread_mutex_lock(&server->request_queue_mutex);
if (server->command_requests==NULL) {
server->command_requests=new_request;
} else {
for (p=server->command_requests;p->next;p=p->next);
p->next=new_request;
}
server->stats.requests_pending++;
pthread_mutex_unlock(&server->request_queue_mutex);
pthread_cond_init(&new_request->condition_cond,NULL);
if (server->connect_state==SERVER_STATE_DISCONNECTED) {
char mesg[1024];
unsigned int l=0;
/* Try and reconnect */
afp_server_reconnect(server,mesg,&l,1024);
}
pthread_mutex_lock(&server->send_mutex);
#ifdef DEBUG_DSI
printf("*** Sending %d, %s\n",ntohs(header->requestid),
afp_get_command_name(new_request->subcommand));
#endif
if (write(server->fd,msg,size)<0) {
if ((errno==EPIPE) || (errno==EBADF)) {
/* The server has closed the connection */
server->connect_state=SERVER_STATE_DISCONNECTED;
return -1;
}
perror("writing to server");
rc=-1;
pthread_mutex_unlock(&server->send_mutex);
goto out;
}
server->stats.tx_bytes+=size;
pthread_mutex_unlock(&server->send_mutex);
int tmpwait=new_request->wait;
#ifdef DEBUG_DSI
printf("=== Waiting for response for %d %s\n",
new_request->requestid,
afp_get_command_name(new_request->subcommand));
#endif
if (tmpwait<0) {
pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER;
pthread_mutex_lock(&mutex);
/* Wait forever */
#ifdef DEBUG_DSI
printf("=== Waiting forever for %d, %s\n",
new_request->requestid,
afp_get_command_name(new_request->subcommand));
#endif
rc=pthread_cond_wait(
&new_request->condition_cond,
&mutex );
pthread_mutex_unlock(&mutex);
} else if (tmpwait>0) {
pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER;
pthread_mutex_lock(&mutex);
#ifdef DEBUG_DSI
printf("=== Waiting for %d %s, for %ds\n",
new_request->requestid,
afp_get_command_name(new_request->subcommand),
new_request->wait);
#endif
gettimeofday(&tv,NULL);
ts.tv_sec=tv.tv_sec;
ts.tv_sec+=new_request->wait;
ts.tv_nsec=tv.tv_usec *1000;
if (new_request->wait==0) {
#ifdef DEBUG_DSI
printf("=== Changing my mind, no longer waiting for %d\n",
new_request->requestid);
#endif
pthread_mutex_unlock(&mutex);
goto skip;
}
rc=pthread_cond_timedwait(
&new_request->condition_cond,
&mutex,&ts);
pthread_mutex_unlock(&mutex);
if (rc==ETIMEDOUT) {
/* FIXME: should handle this case properly */
#ifdef DEBUG_DSI
printf("=== Timedout for %d\n",
new_request->requestid);
#endif
goto out;
}
} else {
#ifdef DEBUG_DSI
printf("=== Skipping wait altogether for %d\n",new_request->requestid);
#endif
}
#ifdef DEBUG_DSI
printf("=== Done waiting for %d %s, waiting for %ds,"
" return %d, DSI return %d\n",
new_request->requestid,
afp_get_command_name(new_request->subcommand),
new_request->wait,
rc,new_request->return_code);
#endif
skip:
rc=new_request->return_code;
out:
dsi_remove_from_request_queue(server,new_request);
return rc;
}