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#include "proto.h"
#include <camellia/syscalls.h>
#include <stdlib.h>
#include <string.h>
#include <user/lib/fs/dir.h>
enum {
H_ROOT,
H_ETHER,
};
void fs_thread(void *arg) { (void)arg;
const size_t buflen = 4096;
char *buf = malloc(buflen);
for (;;) {
struct fs_wait_response res;
handle_t h = _syscall_fs_wait(buf, buflen, &res);
if (h < 0) break;
switch (res.op) {
long ret;
case VFSOP_OPEN:
ret = -1;
if (res.len < buflen) {
buf[res.len] = '\0';
if (!strcmp("/", buf)) ret = H_ROOT;
else if (!strcmp("/raw", buf)) ret = H_ETHER;
}
_syscall_fs_respond(h, (void*)ret, ret, 0);
break;
case VFSOP_READ:
switch ((long)res.id) {
struct dirbuild db;
struct queue_entry *qe;
case H_ROOT:
dir_start(&db, res.offset, buf, sizeof buf);
dir_append(&db, "raw");
_syscall_fs_respond(h, buf, dir_finish(&db), 0);
break;
case H_ETHER:
qe = malloc(sizeof *qe);
qe->h = h;
qe->next = ether_queue;
ether_queue = qe;
break;
default:
_syscall_fs_respond(h, NULL, -1, 0);
}
break;
case VFSOP_WRITE:
switch ((long)res.id) {
case H_ETHER:
ret = _syscall_write(state.raw_h, buf, res.len, 0, 0);
_syscall_fs_respond(h, NULL, ret, 0);
break;
default:
_syscall_fs_respond(h, NULL, -1, 0);
}
break;
default:
_syscall_fs_respond(h, NULL, -1, 0);
break;
}
}
free(buf);
}
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