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extmod/modwebrepl: Factor out "GET" iteration to write_file_chunk().

pull/2211/merge
Paul Sokolovsky 2016-08-05 22:53:10 +03:00
rodzic 7fb31479bf
commit c16612ee87
1 zmienionych plików z 17 dodań i 9 usunięć
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26
extmod/modwebrepl.c
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@ -111,6 +111,22 @@ STATIC mp_obj_t webrepl_make_new(const mp_obj_type_t *type, size_t n_args, size_
return o;
}
STATIC int write_file_chunk(mp_obj_webrepl_t *self) {
const mp_stream_p_t *file_stream =
mp_get_stream_raise(self->cur_file, MP_STREAM_OP_READ | MP_STREAM_OP_WRITE | MP_STREAM_OP_IOCTL);
byte readbuf[2 + 256];
int err;
mp_uint_t out_sz = file_stream->read(self->cur_file, readbuf + 2, sizeof(readbuf) - 2, &err);
if (out_sz == MP_STREAM_ERROR) {
return out_sz;
}
readbuf[0] = out_sz;
readbuf[1] = out_sz >> 8;
DEBUG_printf("webrepl: Sending %d bytes of file\n", out_sz);
write_webrepl(self->sock, readbuf, 2 + out_sz);
return out_sz;
}
STATIC void handle_op(mp_obj_webrepl_t *self) {
mp_obj_t open_args[2] = {
mp_obj_new_str(self->hdr.fname, strlen(self->hdr.fname), false),
@ -122,8 +138,6 @@ STATIC void handle_op(mp_obj_webrepl_t *self) {
}
self->cur_file = mp_builtin_open(2, open_args, (mp_map_t*)&mp_const_empty_map);
const mp_stream_p_t *file_stream =
mp_get_stream_raise(self->cur_file, MP_STREAM_OP_READ | MP_STREAM_OP_WRITE | MP_STREAM_OP_IOCTL);
#if 0
struct mp_stream_seek_t seek = { .offset = self->hdr.offset, .whence = 0 };
@ -137,17 +151,11 @@ STATIC void handle_op(mp_obj_webrepl_t *self) {
if (self->hdr.type == PUT_FILE) {
self->data_to_recv = self->hdr.size;
} else if (self->hdr.type == GET_FILE) {
byte readbuf[2 + 256];
int err;
// TODO: It's not ideal that we block connection while sending file
// and don't process any input.
while (1) {
mp_uint_t out_sz = file_stream->read(self->cur_file, readbuf + 2, sizeof(readbuf) - 2, &err);
mp_uint_t out_sz = write_file_chunk(self);
assert(out_sz != MP_STREAM_ERROR);
readbuf[0] = out_sz;
readbuf[1] = out_sz >> 8;
DEBUG_printf("webrepl: Sending %d bytes of file\n", out_sz);
write_webrepl(self->sock, readbuf, 2 + out_sz);
if (out_sz == 0) {
break;
}