static int h2_h2_post_read_req(request_rec *r)
{
h2_ctx *ctx = h2_ctx_rget(r);
struct h2_task *task = h2_ctx_get_task(ctx);
if (task) {
/* FIXME: sometimes, this hook gets called twice for a single request.
* This should not be, right? */
/* h2_task connection for a stream, not for h2c */
ap_log_rerror(APLOG_MARK, APLOG_TRACE3, 0, r,
"adding h1_to_h2_resp output filter");
if (task->serialize_headers) {
ap_remove_output_filter_byhandle(r->output_filters, "H1_TO_H2_RESP");
ap_add_output_filter("H1_TO_H2_RESP", task, r, r->connection);
}
else {
/* replace the core http filter that formats response headers
* in HTTP/1 with our own that collects status and headers */
ap_remove_output_filter_byhandle(r->output_filters, "HTTP_HEADER");
ap_remove_output_filter_byhandle(r->output_filters, "H2_RESPONSE");
ap_add_output_filter("H2_RESPONSE", task, r, r->connection);
}
ap_add_output_filter("H2_TRAILERS", task, r, r->connection);
}
return DECLINED;
}
static int h2_h2_post_read_req(request_rec *r)
{
/* slave connection? */
if (r->connection->master) {
h2_ctx *ctx = h2_ctx_rget(r);
struct h2_task *task = h2_ctx_get_task(ctx);
/* This hook will get called twice on internal redirects. Take care
* that we manipulate filters only once. */
if (task && !task->filters_set) {
ap_filter_t *f;
ap_log_rerror(APLOG_MARK, APLOG_TRACE3, 0, r,
"h2_task(%s): adding request filters", task->id);
/* setup the correct filters to process the request for h2 */
ap_add_input_filter("H2_REQUEST", task, r, r->connection);
/* replace the core http filter that formats response headers
* in HTTP/1 with our own that collects status and headers */
ap_remove_output_filter_byhandle(r->output_filters, "HTTP_HEADER");
ap_add_output_filter("H2_RESPONSE", task, r, r->connection);
for (f = r->input_filters; f; f = f->next) {
if (!strcmp("H2_SLAVE_IN", f->frec->name)) {
f->r = r;
break;
}
}
ap_add_output_filter("H2_TRAILERS_OUT", task, r, r->connection);
task->filters_set = 1;
}
}
return DECLINED;
}
static int h2_protocol_switch(conn_rec *c, request_rec *r, server_rec *s,
const char *protocol)
{
int found = 0;
const char **protos = h2_h2_is_tls(c)? h2_tls_protos : h2_clear_protos;
const char **p = protos;
(void)s;
while (*p) {
if (!strcmp(*p, protocol)) {
found = 1;
break;
}
p++;
}
if (found) {
h2_ctx *ctx = h2_ctx_get(c, 1);
ap_log_cerror(APLOG_MARK, APLOG_TRACE1, 0, c,
"switching protocol to '%s'", protocol);
h2_ctx_protocol_set(ctx, protocol);
h2_ctx_server_set(ctx, s);
if (r != NULL) {
apr_status_t status;
/* Switching in the middle of a request means that
* we have to send out the response to this one in h2
* format. So we need to take over the connection
* right away.
*/
ap_remove_input_filter_byhandle(r->input_filters, "http_in");
ap_remove_input_filter_byhandle(r->input_filters, "reqtimeout");
ap_remove_output_filter_byhandle(r->output_filters, "HTTP_HEADER");
/* Ok, start an h2_conn on this one. */
h2_ctx_server_set(ctx, r->server);
status = h2_conn_setup(ctx, r->connection, r);
if (status != APR_SUCCESS) {
ap_log_rerror(APLOG_MARK, APLOG_DEBUG, status, r, APLOGNO(03088)
"session setup");
return status;
}
h2_conn_run(ctx, c);
return DONE;
}
return DONE;
}
return DECLINED;
}
int h2_h2_post_read_req(request_rec *r)
{
h2_ctx *ctx = h2_ctx_rget(r, 0);
struct h2_task *task = ctx? h2_ctx_get_task(ctx) : NULL;
if (task) {
/* h2_task connection for a stream, not for h2c */
ap_log_rerror(APLOG_MARK, APLOG_DEBUG, 0, r,
"adding h1_to_h2_resp output filter");
if (0) {
ap_add_output_filter("H1_TO_H2_RESP", task, r, r->connection);
}
else {
/* replace the core http filter that formats response headers
* in HTTP/1 with our own that collects status and headers */
ap_remove_output_filter_byhandle(r->output_filters, "HTTP_HEADER");
ap_add_output_filter("H2_RESPONSE", task, r, r->connection);
}
}
return DECLINED;
}
static int h2_h2_post_read_req(request_rec *r)
{
/* slave connection? */
if (r->connection->master) {
h2_ctx *ctx = h2_ctx_rget(r);
struct h2_task *task = h2_ctx_get_task(ctx);
/* This hook will get called twice on internal redirects. Take care
* that we manipulate filters only once. */
if (task && !task->filters_set) {
ap_filter_t *f;
/* setup the correct output filters to process the response
* on the proper mod_http2 way. */
ap_log_rerror(APLOG_MARK, APLOG_TRACE3, 0, r, "adding task output filter");
if (task->ser_headers) {
ap_add_output_filter("H1_TO_H2_RESP", task, r, r->connection);
}
else {
/* replace the core http filter that formats response headers
* in HTTP/1 with our own that collects status and headers */
ap_remove_output_filter_byhandle(r->output_filters, "HTTP_HEADER");
ap_add_output_filter("H2_RESPONSE", task, r, r->connection);
}
/* trailers processing. Incoming trailers are added to this
* request via our h2 input filter, outgoing trailers
* in a special h2 out filter. */
for (f = r->input_filters; f; f = f->next) {
if (!strcmp("H2_TO_H1", f->frec->name)) {
f->r = r;
break;
}
}
ap_add_output_filter("H2_TRAILERS", task, r, r->connection);
task->filters_set = 1;
}
}
return DECLINED;
}
