static void on_ssl_handshake_complete(h2o_socket_t *sock, int status)
{
h2o_accept_ctx_t *ctx = free_accept_data(sock->data);
sock->data = NULL;
if (status != 0) {
h2o_socket_close(sock);
return;
}
h2o_iovec_t proto = h2o_socket_ssl_get_selected_protocol(sock);
const h2o_iovec_t *ident;
for (ident = h2o_http2_alpn_protocols; ident->len != 0; ++ident) {
if (proto.len == ident->len && memcmp(proto.base, ident->base, proto.len) == 0) {
goto Is_Http2;
}
}
/* connect as http1 */
h2o_http1_accept(ctx, sock);
return;
Is_Http2:
/* connect as http2 */
h2o_http2_accept(ctx, sock);
}
static void on_ssl_handshake_complete(h2o_socket_t *sock, int status)
{
struct st_h2o_accept_data_t *data = sock->data;
sock->data = NULL;
if (status != 0) {
h2o_socket_close(sock);
goto Exit;
}
h2o_iovec_t proto = h2o_socket_ssl_get_selected_protocol(sock);
const h2o_iovec_t *ident;
for (ident = h2o_http2_alpn_protocols; ident->len != 0; ++ident) {
if (proto.len == ident->len && memcmp(proto.base, ident->base, proto.len) == 0) {
/* connect as http2 */
h2o_http2_accept(data->ctx, sock, data->connected_at);
goto Exit;
}
}
/* connect as http1 */
h2o_http1_accept(data->ctx, sock, data->connected_at);
Exit:
free_accept_data(data);
}
static void handle_incoming_request(struct st_h2o_http1_conn_t *conn)
{
size_t inreqlen = conn->sock->input->size < H2O_MAX_REQLEN ? conn->sock->input->size : H2O_MAX_REQLEN;
int reqlen, minor_version;
struct phr_header headers[H2O_MAX_HEADERS];
size_t num_headers = H2O_MAX_HEADERS;
ssize_t entity_body_header_index;
h2o_iovec_t expect;
/* need to set request_begin_at here for keep-alive connection */
if (conn->req.timestamps.request_begin_at.tv_sec == 0)
conn->req.timestamps.request_begin_at = *h2o_get_timestamp(conn->super.ctx, NULL, NULL);
reqlen = phr_parse_request(conn->sock->input->bytes, inreqlen, (const char **)&conn->req.input.method.base,
&conn->req.input.method.len, (const char **)&conn->req.input.path.base, &conn->req.input.path.len,
&minor_version, headers, &num_headers, conn->_prevreqlen);
conn->_prevreqlen = inreqlen;
switch (reqlen) {
default: // parse complete
conn->_reqsize = reqlen;
if ((entity_body_header_index = fixup_request(conn, headers, num_headers, minor_version, &expect)) != -1) {
conn->req.timestamps.request_body_begin_at = *h2o_get_timestamp(conn->super.ctx, NULL, NULL);
if (expect.base != NULL) {
if (!h2o_lcstris(expect.base, expect.len, H2O_STRLIT("100-continue"))) {
set_timeout(conn, NULL, NULL);
h2o_socket_read_stop(conn->sock);
h2o_send_error(&conn->req, 417, "Expectation Failed", "unknown expectation",
H2O_SEND_ERROR_HTTP1_CLOSE_CONNECTION);
return;
}
static const h2o_iovec_t res = {H2O_STRLIT("HTTP/1.1 100 Continue\r\n\r\n")};
h2o_socket_write(conn->sock, (void *)&res, 1, on_continue_sent);
}
if (create_entity_reader(conn, headers + entity_body_header_index) != 0) {
return;
}
if (expect.base != NULL) {
/* processing of the incoming entity is postponed until the 100 response is sent */
h2o_socket_read_stop(conn->sock);
return;
}
conn->_req_entity_reader->handle_incoming_entity(conn);
} else {
set_timeout(conn, NULL, NULL);
h2o_socket_read_stop(conn->sock);
process_request(conn);
}
return;
case -2: // incomplete
if (inreqlen == H2O_MAX_REQLEN) {
// request is too long (TODO notify)
close_connection(conn, 1);
}
return;
case -1: // error
/* upgrade to HTTP/2 if the request starts with: PRI * HTTP/2 */
if (conn->super.ctx->globalconf->http1.upgrade_to_http2) {
/* should check up to the first octet that phr_parse_request returns an error */
static const h2o_iovec_t HTTP2_SIG = {H2O_STRLIT("PRI * HTTP/2")};
if (conn->sock->input->size >= HTTP2_SIG.len && memcmp(conn->sock->input->bytes, HTTP2_SIG.base, HTTP2_SIG.len) == 0) {
h2o_accept_ctx_t accept_ctx = {conn->super.ctx, conn->super.hosts};
h2o_socket_t *sock = conn->sock;
struct timeval connected_at = conn->super.connected_at;
/* destruct the connection after detatching the socket */
conn->sock = NULL;
close_connection(conn, 1);
/* and accept as http2 connection */
h2o_http2_accept(&accept_ctx, sock, connected_at);
return;
}
}
close_connection(conn, 1);
return;
}
}