static
void pingconn(evutil_socket_t s, short evt, void *raw)
{
session *sess = raw;
if(nghttp2_submit_ping(sess->S.h2sess, NGHTTP2_FLAG_NONE, NULL) ||
nghttp2_session_send(sess->S.h2sess))
{
fprintf(stderr, "Ping failed\n");
cleanup_session(&sess->S);
}
}
static void run_nghttp2_session_send(void) {
nghttp2_session *session;
nghttp2_session_callbacks callbacks;
nghttp2_nv nv[] = {MAKE_NV(":host", "example.org"),
MAKE_NV(":scheme", "https")};
nghttp2_data_provider data_prd;
nghttp2_settings_entry iv[2];
my_user_data ud;
int rv;
memset(&callbacks, 0, sizeof(nghttp2_session_callbacks));
callbacks.send_callback = null_send_callback;
data_prd.read_callback = fixed_length_data_source_read_callback;
ud.data_source_length = 64 * 1024;
iv[0].settings_id = NGHTTP2_SETTINGS_HEADER_TABLE_SIZE;
iv[0].value = 4096;
iv[1].settings_id = NGHTTP2_SETTINGS_MAX_CONCURRENT_STREAMS;
iv[1].value = 100;
rv = nghttp2_session_client_new3(&session, &callbacks, &ud, NULL,
nghttp2_mem_fm());
if (rv != 0) {
goto client_new_fail;
}
rv = nghttp2_submit_request(session, NULL, nv, ARRLEN(nv), &data_prd, NULL);
if (rv < 0) {
goto fail;
}
rv = nghttp2_submit_headers(session, NGHTTP2_FLAG_NONE, -1, NULL, nv,
ARRLEN(nv), NULL);
if (rv < 0) {
goto fail;
}
rv = nghttp2_session_send(session);
if (rv != 0) {
goto fail;
}
/* The HEADERS submitted by the previous nghttp2_submit_headers will
have stream ID 3. Send HEADERS to that stream. */
rv = nghttp2_submit_headers(session, NGHTTP2_FLAG_NONE, 3, NULL, nv,
ARRLEN(nv), NULL);
if (rv != 0) {
goto fail;
}
rv = nghttp2_submit_data(session, NGHTTP2_FLAG_END_STREAM, 3, &data_prd);
if (rv != 0) {
goto fail;
}
rv = nghttp2_session_send(session);
if (rv != 0) {
goto fail;
}
rv = nghttp2_submit_rst_stream(session, NGHTTP2_FLAG_NONE, 3, NGHTTP2_CANCEL);
if (rv != 0) {
goto fail;
}
rv = nghttp2_session_send(session);
if (rv != 0) {
goto fail;
}
/* Sending against half-closed stream */
rv = nghttp2_submit_headers(session, NGHTTP2_FLAG_NONE, 3, NULL, nv,
ARRLEN(nv), NULL);
if (rv != 0) {
goto fail;
}
rv = nghttp2_submit_data(session, NGHTTP2_FLAG_END_STREAM, 3, &data_prd);
if (rv != 0) {
goto fail;
}
rv = nghttp2_submit_ping(session, NGHTTP2_FLAG_NONE, NULL);
if (rv != 0) {
goto fail;
}
rv = nghttp2_submit_settings(session, NGHTTP2_FLAG_NONE, iv, 2);
if (rv != 0) {
goto fail;
}
rv = nghttp2_session_send(session);
if (rv != 0) {
goto fail;
}
rv = nghttp2_submit_goaway(session, NGHTTP2_FLAG_NONE, 100, NGHTTP2_NO_ERROR,
NULL, 0);
if (rv != 0) {
goto fail;
}
rv = nghttp2_session_send(session);
if (rv != 0) {
goto fail;
}
fail:
nghttp2_session_del(session);
client_new_fail:;
}