int mk_http_send_file(struct client_session *cs, struct session_request *sr)
{
long int nbytes = 0;
nbytes = mk_socket_send_file(cs->socket, sr->fd_file,
&sr->bytes_offset, sr->bytes_to_send);
if (nbytes > 0) {
sr->bytes_to_send -= nbytes;
if (sr->bytes_to_send == 0) {
mk_server_cork_flag(cs->socket, TCP_CORK_OFF);
}
}
sr->loop++;
/*
* In some circumstances when writing data, the connection can get broken.
* So, we must be aware of that.
*
* Also, if for some reason the file that is being served changes it's size
* we can get a zero bytes send as return value. We need to validate the
* return values <= zero
*/
if (mk_unlikely(nbytes <= 0)) {
MK_TRACE("sendfile() = -1;");
return EXIT_ABORT;
}
return sr->bytes_to_send;
}
static inline size_t channel_write_stream_file(struct mk_channel *channel,
struct mk_stream *stream)
{
long int bytes = 0;
MK_TRACE("[CH %i] STREAM_FILE %i, bytes=%lu",
channel->fd, stream->fd, stream->bytes_total);
/* Direct write */
bytes = mk_socket_send_file(channel->fd,
stream->fd,
&stream->bytes_offset,
stream->bytes_total
);
MK_TRACE("[CH=%d] [FD=%i] WRITE STREAM FILE: %lu bytes",
channel->fd, stream->fd, bytes);
return bytes;
}
int mk_http_send_file(struct client_session *cs, struct session_request *sr)
{
long int nbytes = 0;
nbytes = mk_socket_send_file(cs->socket, sr->fd_file,
&sr->bytes_offset, sr->bytes_to_send);
if (nbytes > 0) {
if (sr->loop == 0) {
mk_socket_set_cork_flag(cs->socket, TCP_CORK_OFF);
}
sr->bytes_to_send -= nbytes;
}
sr->loop++;
if (nbytes < 0) {
perror("sendfile");
return EXIT_ABORT;
}
return sr->bytes_to_send;
}
