static void mk_header_cb_finished(struct mk_stream_input *in)
{
struct mk_iov *iov = in->buffer;
mk_iov_free_marked(iov);
#if defined(__APPLE__)
/*
* Disable TCP_CORK right away, according to:
*
* ---
* commit 81e8b869d70f9da93ddfbfb17ec7f12ce3c28fc6
* Author: Sonny Karlsson <*****@*****.**>
* Date: Sat Oct 18 12:11:49 2014 +0200
*
* http: Remove cork before first call to sendfile().
*
* This removes a large delay on Mac OS X when headers and file content
* does not fill a single frame.
* Deactivating TCP_NOPUSH does not cause pending frames to be sent until
* the next write operation.
* ---
*/
mk_server_cork_flag(in->stream->channel->fd, TCP_CORK_OFF);
#endif
}
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 int mk_http_directory_redirect_check(struct client_session *cs,
struct session_request *sr)
{
int port_redirect = 0;
char *host;
char *location = 0;
char *real_location = 0;
unsigned long len;
/*
* We have to check if there is a slash at the end of
* this string. If it doesn't exist, we send a redirection header.
*/
if (sr->uri_processed.data[sr->uri_processed.len - 1] == '/') {
return 0;
}
host = mk_ptr_t_to_buf(sr->host);
/*
* Add ending slash to the location string
*/
location = mk_mem_malloc(sr->uri_processed.len + 2);
memcpy(location, sr->uri_processed.data, sr->uri_processed.len);
location[sr->uri_processed.len] = '/';
location[sr->uri_processed.len + 1] = '\0';
/* FIXME: should we done something similar for SSL = 443 */
if (sr->host.data && sr->port > 0) {
if (sr->port != config->standard_port) {
port_redirect = sr->port;
}
}
if (port_redirect > 0) {
mk_string_build(&real_location, &len, "%s://%s:%i%s",
config->transport, host, port_redirect, location);
}
else {
mk_string_build(&real_location, &len, "%s://%s%s",
config->transport, host, location);
}
MK_TRACE("Redirecting to '%s'", real_location);
mk_mem_free(host);
mk_header_set_http_status(sr, MK_REDIR_MOVED);
sr->headers.content_length = 0;
mk_ptr_t_reset(&sr->headers.content_type);
sr->headers.location = real_location;
sr->headers.cgi = SH_NOCGI;
sr->headers.pconnections_left =
(config->max_keep_alive_request - cs->counter_connections);
mk_header_send(cs->socket, cs, sr);
mk_server_cork_flag(cs->socket, TCP_CORK_OFF);
/*
* we do not free() real_location
* as it's freed by iov
*/
mk_mem_free(location);
sr->headers.location = NULL;
return -1;
}
/* Send response headers */
int mk_header_send(int fd, struct client_session *cs,
struct session_request *sr)
{
int i=0;
unsigned long len = 0;
char *buffer = 0;
mk_ptr_t response;
struct response_headers *sh;
struct mk_iov *iov;
sh = &sr->headers;
iov = mk_header_iov_get();
/* HTTP Status Code */
if (sh->status == MK_CUSTOM_STATUS) {
response.data = sh->custom_status.data;
response.len = sh->custom_status.len;
}
else {
for (i=0; i < status_response_len; i++) {
if (status_response[i].status == sh->status) {
response.data = status_response[i].response;
response.len = status_response[i].length;
break;
}
}
}
/* Invalid status set */
mk_bug(i == status_response_len);
mk_header_iov_add_entry(iov, response, mk_iov_none, MK_IOV_NOT_FREE_BUF);
/* Server details */
mk_iov_add_entry(iov, sr->host_conf->header_host_signature.data,
sr->host_conf->header_host_signature.len,
mk_iov_crlf, MK_IOV_NOT_FREE_BUF);
/* Date */
mk_iov_add_entry(iov,
mk_header_short_date.data,
mk_header_short_date.len,
header_current_time,
MK_IOV_NOT_FREE_BUF);
/* Last-Modified */
if (sh->last_modified > 0) {
mk_ptr_t *lm;
lm = mk_cache_get(mk_cache_header_lm);
lm->len = mk_utils_utime2gmt(&lm->data, sh->last_modified);
mk_iov_add_entry(iov, mk_header_last_modified.data,
mk_header_last_modified.len,
*lm, MK_IOV_NOT_FREE_BUF);
}
/* Connection */
if (sh->connection == 0) {
if (mk_http_keepalive_check(cs) == 0) {
if (sr->connection.len > 0) {
/* Get cached mk_ptr_ts */
mk_ptr_t *ka_format = mk_cache_get(mk_cache_header_ka);
mk_ptr_t *ka_header = mk_cache_get(mk_cache_header_ka_max);
/* Compose header and add entries to iov */
mk_string_itop(config->max_keep_alive_request - cs->counter_connections, ka_header);
mk_iov_add_entry(iov, ka_format->data, ka_format->len,
mk_iov_none, MK_IOV_NOT_FREE_BUF);
mk_iov_add_entry(iov, ka_header->data, ka_header->len,
mk_header_conn_ka, MK_IOV_NOT_FREE_BUF);
}
}
else {
mk_iov_add_entry(iov,
mk_header_conn_close.data,
mk_header_conn_close.len,
mk_iov_none, MK_IOV_NOT_FREE_BUF);
}
}
/* Location */
if (sh->location != NULL) {
mk_iov_add_entry(iov,
mk_header_short_location.data,
mk_header_short_location.len,
mk_iov_none, MK_IOV_NOT_FREE_BUF);
mk_iov_add_entry(iov,
sh->location,
strlen(sh->location), mk_iov_crlf, MK_IOV_FREE_BUF);
}
/* allowed methods */
if (sh->allow_methods.len > 0) {
mk_iov_add_entry(iov,
mk_header_allow.data,
mk_header_allow.len,
sh->allow_methods, MK_IOV_NOT_FREE_BUF) ;
}
/* Content type */
if (sh->content_type.len > 0) {
mk_iov_add_entry(iov,
mk_header_short_ct.data,
mk_header_short_ct.len,
sh->content_type, MK_IOV_NOT_FREE_BUF);
}
/*
* Transfer Encoding: the transfer encoding header is just sent when
* the response has some content defined by the HTTP status response
*/
if ((sh->status < MK_REDIR_MULTIPLE) || (sh->status > MK_REDIR_USE_PROXY)) {
switch (sh->transfer_encoding) {
case MK_HEADER_TE_TYPE_CHUNKED:
mk_iov_add_entry(iov,
mk_header_te_chunked.data,
mk_header_te_chunked.len,
mk_iov_none, MK_IOV_NOT_FREE_BUF);
break;
}
}
/* Content-Encoding */
if (sh->content_encoding.len > 0) {
mk_iov_add_entry(iov, mk_header_content_encoding.data,
mk_header_content_encoding.len,
mk_iov_none, MK_IOV_NOT_FREE_BUF);
mk_iov_add_entry(iov, sh->content_encoding.data,
sh->content_encoding.len,
mk_iov_none, MK_IOV_NOT_FREE_BUF);
}
/* Content-Length */
if (sh->content_length >= 0) {
/* Map content length to MK_POINTER */
mk_ptr_t *cl;
cl = mk_cache_get(mk_cache_header_cl);
mk_string_itop(sh->content_length, cl);
/* Set headers */
mk_iov_add_entry(iov, mk_header_content_length.data,
mk_header_content_length.len,
*cl, MK_IOV_NOT_FREE_BUF);
}
if ((sh->content_length != 0 && (sh->ranges[0] >= 0 || sh->ranges[1] >= 0)) &&
config->resume == MK_TRUE) {
buffer = 0;
/* yyy- */
if (sh->ranges[0] >= 0 && sh->ranges[1] == -1) {
mk_string_build(&buffer,
&len,
"%s bytes %d-%ld/%ld",
RH_CONTENT_RANGE,
sh->ranges[0],
(sh->real_length - 1), sh->real_length);
mk_iov_add_entry(iov, buffer, len, mk_iov_crlf, MK_IOV_FREE_BUF);
}
/* yyy-xxx */
if (sh->ranges[0] >= 0 && sh->ranges[1] >= 0) {
mk_string_build(&buffer,
&len,
"%s bytes %d-%d/%ld",
RH_CONTENT_RANGE,
sh->ranges[0], sh->ranges[1], sh->real_length);
mk_iov_add_entry(iov, buffer, len, mk_iov_crlf, MK_IOV_FREE_BUF);
}
/* -xxx */
if (sh->ranges[0] == -1 && sh->ranges[1] > 0) {
mk_string_build(&buffer,
&len,
"%s bytes %ld-%ld/%ld",
RH_CONTENT_RANGE,
(sh->real_length - sh->ranges[1]),
(sh->real_length - 1), sh->real_length);
mk_iov_add_entry(iov, buffer, len, mk_iov_crlf, MK_IOV_FREE_BUF);
}
}
mk_server_cork_flag(fd, TCP_CORK_ON);
if (sh->cgi == SH_NOCGI || sh->breakline == MK_HEADER_BREAKLINE) {
if (!sr->headers._extra_rows) {
mk_iov_add_entry(iov, mk_iov_crlf.data, mk_iov_crlf.len,
mk_iov_none, MK_IOV_NOT_FREE_BUF);
}
else {
mk_iov_add_entry(sr->headers._extra_rows, mk_iov_crlf.data,
mk_iov_crlf.len, mk_iov_none, MK_IOV_NOT_FREE_BUF);
}
}
mk_socket_sendv(fd, iov);
if (sr->headers._extra_rows) {
mk_socket_sendv(fd, sr->headers._extra_rows);
mk_iov_free(sr->headers._extra_rows);
sr->headers._extra_rows = NULL;
}
mk_header_iov_free(iov);
sh->sent = MK_TRUE;
return 0;
}
