STATIC void check_file_op_finished(mp_obj_webrepl_t *self) {
if (self->data_to_recv == 0) {
mp_stream_close(self->cur_file);
self->hdr_to_recv = sizeof(struct webrepl_file);
DEBUG_printf("webrepl: Finished file operation %d\n", self->hdr.type);
write_webrepl_resp(self->sock, 0);
}
}
void mp_uos_deactivate(const char *msg, mp_obj_t exc) {
mp_obj_t term = MP_STATE_PORT(term_obj);
MP_STATE_PORT(term_obj) = NULL;
mp_printf(&mp_plat_print, msg);
if (exc != MP_OBJ_NULL) {
mp_obj_print_exception(&mp_plat_print, exc);
}
mp_stream_close(term);
}
STATIC mp_uint_t webrepl_ioctl(mp_obj_t o_in, mp_uint_t request, uintptr_t arg, int *errcode) {
mp_obj_webrepl_t *self = MP_OBJ_TO_PTR(o_in);
(void)arg;
switch (request) {
case MP_STREAM_CLOSE:
// TODO: This is a place to do cleanup
mp_stream_close(self->sock);
return 0;
default:
*errcode = MP_EINVAL;
return MP_STREAM_ERROR;
}
}
STATIC mp_obj_t websocket_close(mp_obj_t self_in) {
mp_obj_websocket_t *self = MP_OBJ_TO_PTR(self_in);
// TODO: Send close signaling to the other side, otherwise it's
// abrupt close (connection abort).
return mp_stream_close(self->sock);
}
STATIC mp_uint_t _webrepl_read(mp_obj_t self_in, void *buf, mp_uint_t size, int *errcode) {
// We know that os.dupterm always calls with size = 1
assert(size == 1);
mp_obj_webrepl_t *self = self_in;
const mp_stream_p_t *sock_stream = mp_get_stream(self->sock);
mp_uint_t out_sz = sock_stream->read(self->sock, buf, size, errcode);
//DEBUG_printf("webrepl: Read %d initial bytes from websocket\n", out_sz);
if (out_sz == 0 || out_sz == MP_STREAM_ERROR) {
return out_sz;
}
if (self->state == STATE_PASSWD) {
char c = *(char*)buf;
if (c == '\r' || c == '\n') {
self->hdr.fname[self->data_to_recv] = 0;
DEBUG_printf("webrepl: entered password: %s\n", self->hdr.fname);
if (strcmp(self->hdr.fname, webrepl_passwd) != 0) {
write_webrepl_str(self->sock, SSTR(denied_prompt));
return 0;
}
self->state = STATE_NORMAL;
self->data_to_recv = 0;
write_webrepl_str(self->sock, SSTR(connected_prompt));
} else if (self->data_to_recv < 10) {
self->hdr.fname[self->data_to_recv++] = c;
}
return -2;
}
// If last read data belonged to text record (== REPL)
int err;
if (sock_stream->ioctl(self->sock, MP_STREAM_GET_DATA_OPTS, 0, &err) == 1) {
return out_sz;
}
DEBUG_printf("webrepl: received bin data, hdr_to_recv: %d, data_to_recv=%d\n", self->hdr_to_recv, self->data_to_recv);
if (self->hdr_to_recv != 0) {
char *p = (char*)&self->hdr + sizeof(self->hdr) - self->hdr_to_recv;
*p++ = *(char*)buf;
if (--self->hdr_to_recv != 0) {
mp_uint_t hdr_sz = sock_stream->read(self->sock, p, self->hdr_to_recv, errcode);
if (hdr_sz == MP_STREAM_ERROR) {
return hdr_sz;
}
self->hdr_to_recv -= hdr_sz;
if (self->hdr_to_recv != 0) {
return -2;
}
}
DEBUG_printf("webrepl: op: %d, file: %s, chunk @%x, sz=%d\n", self->hdr.type, self->hdr.fname, (uint32_t)self->hdr.offset, self->hdr.size);
handle_op(self);
return -2;
}
if (self->data_to_recv != 0) {
static byte filebuf[512];
filebuf[0] = *(byte*)buf;
mp_uint_t buf_sz = 1;
if (--self->data_to_recv != 0) {
size_t to_read = MIN(sizeof(filebuf) - 1, self->data_to_recv);
mp_uint_t sz = sock_stream->read(self->sock, filebuf + 1, to_read, errcode);
if (sz == MP_STREAM_ERROR) {
return sz;
}
self->data_to_recv -= sz;
buf_sz += sz;
}
if (self->hdr.type == PUT_FILE) {
DEBUG_printf("webrepl: Writing %lu bytes to file\n", buf_sz);
int err;
mp_uint_t res = mp_stream_write_exactly(self->cur_file, filebuf, buf_sz, &err);
if (err != 0 || res != buf_sz) {
assert(0);
}
} else if (self->hdr.type == GET_FILE) {
assert(buf_sz == 1);
assert(self->data_to_recv == 0);
assert(filebuf[0] == 0);
mp_uint_t out_sz = write_file_chunk(self);
if (out_sz != 0) {
self->data_to_recv = 1;
}
}
if (self->data_to_recv == 0) {
mp_stream_close(self->cur_file);
self->hdr_to_recv = sizeof(struct webrepl_file);
DEBUG_printf("webrepl: Finished file operation %d\n", self->hdr.type);
write_webrepl_resp(self->sock, 0);
}
#ifdef MICROPY_PY_WEBREPL_DELAY
// Some platforms may have broken drivers and easily gets
// overloaded with modest traffic WebREPL file transfers
// generate. The basic workaround is a crude rate control
// done in such way.
mp_hal_delay_ms(MICROPY_PY_WEBREPL_DELAY);
#endif
}
return -2;
}
STATIC mp_obj_t webrepl_close(mp_obj_t self_in) {
mp_obj_webrepl_t *self = MP_OBJ_TO_PTR(self_in);
// TODO: This is a place to do cleanup
return mp_stream_close(self->sock);
}
