static h2_session *h2_session_create_int(conn_rec *c,
request_rec *r,
h2_config *config,
h2_workers *workers)
{
nghttp2_session_callbacks *callbacks = NULL;
nghttp2_option *options = NULL;
apr_pool_t *pool = NULL;
apr_status_t status = apr_pool_create(&pool, r? r->pool : c->pool);
h2_session *session;
if (status != APR_SUCCESS) {
return NULL;
}
session = apr_pcalloc(pool, sizeof(h2_session));
if (session) {
int rv;
session->id = c->id;
session->c = c;
session->r = r;
session->max_stream_count = h2_config_geti(config, H2_CONF_MAX_STREAMS);
session->max_stream_mem = h2_config_geti(config, H2_CONF_STREAM_MAX_MEM);
session->pool = pool;
status = apr_thread_cond_create(&session->iowait, session->pool);
if (status != APR_SUCCESS) {
return NULL;
}
session->streams = h2_stream_set_create(session->pool);
session->workers = workers;
session->mplx = h2_mplx_create(c, session->pool, workers);
h2_conn_io_init(&session->io, c);
session->bbtmp = apr_brigade_create(session->pool, c->bucket_alloc);
status = init_callbacks(c, &callbacks);
if (status != APR_SUCCESS) {
ap_log_cerror(APLOG_MARK, APLOG_ERR, status, c, APLOGNO(02927)
"nghttp2: error in init_callbacks");
h2_session_destroy(session);
return NULL;
}
rv = nghttp2_option_new(&options);
if (rv != 0) {
ap_log_cerror(APLOG_MARK, APLOG_ERR, APR_EGENERAL, c,
APLOGNO(02928) "nghttp2_option_new: %s",
nghttp2_strerror(rv));
h2_session_destroy(session);
return NULL;
}
nghttp2_option_set_peer_max_concurrent_streams(options,
(uint32_t)session->max_stream_count);
/* We need to handle window updates ourself, otherwise we
* get flooded by nghttp2. */
nghttp2_option_set_no_auto_window_update(options, 1);
rv = nghttp2_session_server_new2(&session->ngh2, callbacks,
session, options);
nghttp2_session_callbacks_del(callbacks);
nghttp2_option_del(options);
if (rv != 0) {
ap_log_cerror(APLOG_MARK, APLOG_ERR, APR_EGENERAL, c,
APLOGNO(02929) "nghttp2_session_server_new: %s",
nghttp2_strerror(rv));
h2_session_destroy(session);
return NULL;
}
}
return session;
}
static h2_session *h2_session_create_int(conn_rec *c,
request_rec *r,
h2_config *config)
{
nghttp2_session_callbacks *callbacks = NULL;
nghttp2_option *options = NULL;
apr_allocator_t *allocator = NULL;
apr_status_t status = apr_allocator_create(&allocator);
if (status != APR_SUCCESS) {
return NULL;
}
apr_pool_t *pool = NULL;
status = apr_pool_create_ex(&pool, c->pool, NULL, allocator);
if (status != APR_SUCCESS) {
return NULL;
}
h2_session *session = apr_pcalloc(pool, sizeof(h2_session));
if (session) {
session->id = c->id;
session->allocator = allocator;
session->pool = pool;
status = apr_thread_mutex_create(&session->alock,
APR_THREAD_MUTEX_DEFAULT,
session->pool);
if (status != APR_SUCCESS) {
return NULL;
}
apr_allocator_mutex_set(session->allocator, session->alock);
status = apr_thread_cond_create(&session->iowait, session->pool);
if (status != APR_SUCCESS) {
return NULL;
}
session->c = c;
session->r = r;
session->ngh2 = NULL;
session->streams = h2_stream_set_create(session->pool);
session->zombies = h2_stream_set_create(session->pool);
session->mplx = h2_mplx_create(c, session->pool);
h2_conn_io_init(&session->io, c, 0);
apr_status_t status = init_callbacks(c, &callbacks);
if (status != APR_SUCCESS) {
ap_log_cerror(APLOG_MARK, APLOG_ERR, status, c,
"nghttp2: error in init_callbacks");
h2_session_destroy(session);
return NULL;
}
int rv = nghttp2_option_new(&options);
if (rv != 0) {
ap_log_cerror(APLOG_MARK, APLOG_ERR, APR_EGENERAL, c,
"nghttp2_option_new: %s", nghttp2_strerror(rv));
h2_session_destroy(session);
return NULL;
}
/* Nowadays, we handle the preface ourselves. We had problems
* with nghttp2 internal state machine when traffic action occured
* before the preface was read.
*/
nghttp2_option_set_recv_client_preface(options, 1);
/* Set a value, to be observed before we receive any SETTINGS
* from the client. */
nghttp2_option_set_peer_max_concurrent_streams(options, 100);
/* We need to handle window updates ourself, otherwise we
* get flooded by nghttp2. */
nghttp2_option_set_no_auto_window_update(options, 1);
rv = nghttp2_session_server_new2(&session->ngh2, callbacks,
session, options);
nghttp2_session_callbacks_del(callbacks);
nghttp2_option_del(options);
if (rv != 0) {
ap_log_cerror(APLOG_MARK, APLOG_ERR, APR_EGENERAL, c,
"nghttp2_session_server_new: %s",
nghttp2_strerror(rv));
h2_session_destroy(session);
return NULL;
}
}
return session;
}