int
cgiMain()
{
int act;
int ret;
act = check_from();
switch (act)
{
case -1:
do_error("用户名或密码错误");
break;
case 0:
if (auth_check() < 0)
{
do_error("用户名或密码错误");
return 0;
}
show_basic_page();
break;
case 1:
handle_basic();
break;
case 2:
handle_security();
break;
case 3:
ret = what_action();
if (ret == 0)
reboot(LINUX_REBOOT_CMD_RESTART);
else if (ret == 1)
show_cdev_page();
break;
case 4:
handle_cdev();
break;
case 5:
handle_breq();
break;
case 6:
handle_scene();
break;
case 7:
handle_slnk();
break;
case 128:
reboot(LINUX_REBOOT_CMD_RESTART);
break;
default:
break;
}
return 0;
}
void
umain(int argc, char **argv)
{
int r;
static_assert(sizeof(struct BlockInfo) == 64);
static_assert(BLOCKINFOMAP + (DISKSIZE / BLKSIZE) * sizeof(struct BlockInfo) <= DISKMAP);
assert(thisenv->env_id == ENVID_BUFCACHE);
binaryname = "bufcache";
cprintf("bufcache is running\n");
// Check that we are able to do I/O
// If it looks like I/O will definitely fail, then yield first to
// other runnable, non-idle environments.
// (This helps previous grading scripts: environment IDs are as
// expected, but tests still complete quickly.)
while (!(thisenv->env_tf.tf_eflags & FL_IOPL_MASK)
&& another_runnable_environment_exists())
sys_yield();
outw(0x8A00, 0x8A00);
cprintf("bufcache can do I/O\n");
// Find a JOS disk. Use the second IDE disk (number 1) if available.
if (ide_probe_disk1())
ide_set_disk(1);
else
ide_set_disk(0);
// Set up the flush pipe
if ((r = pipe(p)) < 0)
panic("Error setting up pipe: %e\n", r);
// Process incoming requests
while (1) {
int32_t breq;
envid_t envid;
breq = ipc_recv(&envid, 0, 0);
handle_flush_queue();
handle_breq(envid, breq);
}
}
