void read_cb (int sock, short what, void *arg)
{
//printf ("in function read_cb\n");
int block_size = 512;
char buf[512];
bzero (buf, 512);
int nbyte = read (sock, buf, block_size);
if (nbyte > 0) {
//fprintf (stdout, "read : %s\n", buf);
if (read_done (buf))
fin += 1;
}
else {
fprintf (stderr, "read failed\n");
}
return ;
}
void* consumer(void* ptr)
{
Buffer* buf = (Buffer*)ptr;
while (1) {
int slot = read_start(buf);
if (slot == -1) {
printf(ANSI_RED"consumer: no data in queue...waiting"ANSI_NORMAL"\n");
usleep(consumer_delay);
continue;
}
//printf(ANSI_RED"consumer: slot %d"ANSI_NORMAL"\n", slot);
buffer_print(buf);
usleep(consume_duration);
read_done(buf);
buffer_print(buf);
}
return 0;
}
/* Read a specified number of bytes into a buffer from the given NFS file */
void
nfsfs_read(pid_t pid, VNode self, fildes_t file, L4_Word_t pos,
char *buf, size_t nbyte, void (*read_done)(pid_t pid,
VNode self, fildes_t file, L4_Word_t pos, char *buf, size_t nbyte, int status)) {
dprintf(1, "*** nfsfs_read: %p, %d, %d, %p, %d\n", self, file, pos, buf, nbyte);
NFS_File *nf = (NFS_File *) self->extra;
if (self == NULL || nf == NULL) {
dprintf(0, "!!! nfsfs_read: Invalid NFS file (p %d, f %d), no nfs struct!\n",
pid, file);
read_done(pid, self, file, pos, buf, 0, SOS_VFS_NOFILE);
return;
}
NFS_ReadRequest *rq = (NFS_ReadRequest *) create_request(RT_READ, self, pid);
rq->file = file;
rq->buf = buf;
rq->pos = pos;
rq->nbyte = nbyte;
rq->read_done = read_done;
check_request((NFS_BaseRequest *) rq);
}
