void
umain(void)
{
int r;
int fileid;
struct Fd *fd;
if ((r = fsipc_open("/not-found", O_RDONLY, FVA)) < 0 && r != -E_NOT_FOUND)
panic("serve_open /not-found: %e", r);
else if (r == 0)
panic("serve_open /not-found succeeded!");
if ((r = fsipc_open("/newmotd", O_RDONLY, FVA)) < 0)
panic("serve_open /newmotd: %e", r);
fd = (struct Fd*) FVA;
if (strlen(msg) != fd->fd_file.file.f_size)
panic("serve_open returned size %d wanted %d\n", fd->fd_file.file.f_size, strlen(msg));
cprintf("serve_open is good\n");
if ((r = fsipc_map(fd->fd_file.id, 0, UTEMP)) < 0)
panic("serve_map: %e", r);
if (strecmp(UTEMP, msg) != 0)
panic("serve_map returned wrong data");
cprintf("serve_map is good\n");
if ((r = fsipc_close(fd->fd_file.id)) < 0)
panic("serve_close: %e", r);
cprintf("serve_close is good\n");
fileid = fd->fd_file.id;
sys_page_unmap(0, (void*) FVA);
if ((r = fsipc_map(fileid, 0, UTEMP)) != -E_INVAL)
panic("serve_map does not handle stale fileids correctly");
cprintf("stale fileid is good\n");
}
void
fs_test(void)
{
struct File *f;
int r;
char *blk;
uint32_t *bits;
// back up bitmap
if ((r = sys_page_alloc(0, (void*) PGSIZE, PTE_P|PTE_U|PTE_W)) < 0)
panic("sys_page_alloc: %e", r);
bits = (uint32_t*) PGSIZE;
memmove(bits, bitmap, PGSIZE);
// allocate block
if ((r = alloc_block()) < 0)
panic("alloc_block: %e", r);
// check that block was free
assert(bits[r/32] & (1 << (r%32)));
// and is not free any more
assert(!(bitmap[r/32] & (1 << (r%32))));
cprintf("alloc_block is good\n");
if ((r = file_open("/not-found", &f)) < 0 && r != -E_NOT_FOUND)
panic("file_open /not-found: %e", r);
else if (r == 0)
panic("file_open /not-found succeeded!");
if ((r = file_open("/newmotd", &f)) < 0)
panic("file_open /newmotd: %e", r);
cprintf("file_open is good\n");
if ((r = file_get_block(f, 0, &blk)) < 0)
panic("file_get_block: %e", r);
if (strecmp(blk, msg) != 0){
cprintf("%s\n", blk);
panic("file_get_block returned wrong data");
}
cprintf("file_get_block is good\n");
*(volatile char*)blk = *(volatile char*)blk;
assert((vpt[VPN(blk)] & PTE_D));
file_flush(f);
assert(!(vpt[VPN(blk)] & PTE_D));
cprintf("file_flush is good\n");
if ((r = file_set_size(f, 0)) < 0)
panic("file_set_size: %e", r);
assert(f->f_direct[0] == 0);
assert(!(vpt[VPN(f)] & PTE_D));
cprintf("file_truncate is good\n");
if ((r = file_set_size(f, strlen(msg))) < 0)
panic("file_set_size 2: %e", r);
assert(!(vpt[VPN(f)] & PTE_D));
if ((r = file_get_block(f, 0, &blk)) < 0)
panic("file_get_block 2: %e", r);
strcpy(blk, msg);
assert((vpt[VPN(blk)] & PTE_D));
file_flush(f);
assert(!(vpt[VPN(blk)] & PTE_D));
file_close(f);
assert(!(vpt[VPN(f)] & PTE_D));
cprintf("file rewrite is good\n");
}
