static bool
do_sendfile(Request* request)
{
Py_ssize_t bytes_sent = portable_sendfile(
request->client_fd,
request->current_chunk_p /* current_chunk_p stores the file fd */
);
if(bytes_sent == -1)
return handle_nonzero_errno(request);
return bytes_sent != 0;
}
// Return value:
// 0: send packet completely
// 1: send packet incompletely
// -1: send packet error client need closed
static int sendPacket(struct client *c, struct sendPacket *packet)
{
struct slice *data;
ssize_t nwritten = 0;
struct fileWrapper *file_wrapper;
switch (packet->type) {
case SLICE:
data = &packet->target.slice;
while (data->len != 0) {
nwritten = writeBulkTo(c->clifd, data);
if (nwritten <= 0)
break;
data->len -= nwritten;
data->data += nwritten;
}
if (nwritten == -1) {
return -1;
}
if (nwritten == 0) {
return 1;
}
break;
case FILE_DESCRIPTION:
file_wrapper = &packet->target.file;
while (file_wrapper->len > 0) {
nwritten = portable_sendfile(c->clifd, file_wrapper->fd,
file_wrapper->off, file_wrapper->len);
if (nwritten == -1)
return -1;
else if (nwritten == 0) {
return 1;
}
file_wrapper->off += nwritten;
file_wrapper->len -= nwritten;
}
}
return 0;
}
