Use the same server code for both secure and insecure servers.
diff --git a/src/core/ext/transport/chttp2/server/chttp2_server.c b/src/core/ext/transport/chttp2/server/chttp2_server.c
new file mode 100644
index 0000000..9282d7e
--- /dev/null
+++ b/src/core/ext/transport/chttp2/server/chttp2_server.c
@@ -0,0 +1,355 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ * * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include "src/core/ext/transport/chttp2/server/chttp2_server.h"
+
+#include <grpc/grpc.h>
+
+#include <string.h>
+
+#include <grpc/support/alloc.h>
+#include <grpc/support/log.h>
+#include <grpc/support/string_util.h>
+#include <grpc/support/sync.h>
+#include <grpc/support/useful.h>
+
+#include "src/core/ext/transport/chttp2/transport/chttp2_transport.h"
+#include "src/core/lib/channel/channel_args.h"
+#include "src/core/lib/channel/handshaker.h"
+#include "src/core/lib/channel/http_server_filter.h"
+#include "src/core/lib/iomgr/endpoint.h"
+#include "src/core/lib/iomgr/resolve_address.h"
+#include "src/core/lib/iomgr/tcp_server.h"
+#include "src/core/lib/surface/api_trace.h"
+#include "src/core/lib/surface/server.h"
+
+void grpc_chttp2_server_handshaker_factory_create_handshakers(
+ grpc_exec_ctx *exec_ctx,
+ grpc_chttp2_server_handshaker_factory *handshaker_factory,
+ grpc_handshake_manager *handshake_mgr) {
+ if (handshaker_factory != NULL) {
+ handshaker_factory->vtable->create_handshakers(
+ exec_ctx, handshaker_factory, handshake_mgr);
+ }
+}
+
+void grpc_chttp2_server_handshaker_factory_destroy(
+ grpc_exec_ctx *exec_ctx,
+ grpc_chttp2_server_handshaker_factory *handshaker_factory) {
+ if (handshaker_factory != NULL) {
+ handshaker_factory->vtable->destroy(exec_ctx, handshaker_factory);
+ }
+}
+
+
+typedef struct pending_handshake_manager_node {
+ grpc_handshake_manager *handshake_mgr;
+ struct pending_handshake_manager_node *next;
+} pending_handshake_manager_node;
+
+typedef struct {
+ grpc_server *server;
+ grpc_tcp_server *tcp_server;
+ grpc_channel_args *args;
+ grpc_chttp2_server_handshaker_factory *handshaker_factory;
+ gpr_mu mu;
+ bool shutdown;
+ grpc_closure tcp_server_shutdown_complete;
+ grpc_closure *server_destroy_listener_done;
+ pending_handshake_manager_node *pending_handshake_mgrs;
+} server_state;
+
+typedef struct {
+ server_state *server_state;
+ grpc_pollset *accepting_pollset;
+ grpc_tcp_server_acceptor *acceptor;
+ grpc_handshake_manager *handshake_mgr;
+} server_connection_state;
+
+static void pending_handshake_manager_add_locked(
+ server_state *state, grpc_handshake_manager *handshake_mgr) {
+ pending_handshake_manager_node *node = gpr_malloc(sizeof(*node));
+ node->handshake_mgr = handshake_mgr;
+ node->next = state->pending_handshake_mgrs;
+ state->pending_handshake_mgrs = node;
+}
+
+static void pending_handshake_manager_remove_locked(
+ server_state *state, grpc_handshake_manager *handshake_mgr) {
+ pending_handshake_manager_node **prev_node = &state->pending_handshake_mgrs;
+ for (pending_handshake_manager_node *node = state->pending_handshake_mgrs;
+ node != NULL; node = node->next) {
+ if (node->handshake_mgr == handshake_mgr) {
+ *prev_node = node->next;
+ gpr_free(node);
+ break;
+ }
+ prev_node = &node->next;
+ }
+}
+
+static void pending_handshake_manager_shutdown_locked(grpc_exec_ctx *exec_ctx,
+ server_state *state) {
+ pending_handshake_manager_node *prev_node = NULL;
+ for (pending_handshake_manager_node *node = state->pending_handshake_mgrs;
+ node != NULL; node = node->next) {
+ grpc_handshake_manager_shutdown(exec_ctx, node->handshake_mgr);
+ gpr_free(prev_node);
+ prev_node = node;
+ }
+ gpr_free(prev_node);
+ state->pending_handshake_mgrs = NULL;
+}
+
+static void on_handshake_done(grpc_exec_ctx *exec_ctx, void *arg,
+ grpc_error *error) {
+ grpc_handshaker_args *args = arg;
+ server_connection_state *connection_state = args->user_data;
+ gpr_mu_lock(&connection_state->server_state->mu);
+ if (error != GRPC_ERROR_NONE || connection_state->server_state->shutdown) {
+ const char *error_str = grpc_error_string(error);
+ gpr_log(GPR_ERROR, "Handshaking failed: %s", error_str);
+ grpc_error_free_string(error_str);
+ if (error == GRPC_ERROR_NONE) {
+ // We were shut down after handshaking completed successfully, so
+ // destroy the endpoint here.
+ // TODO(ctiller): It is currently necessary to shutdown endpoints
+ // before destroying them, even if we know that there are no
+ // pending read/write callbacks. This should be fixed, at which
+ // point this can be removed.
+ grpc_endpoint_shutdown(exec_ctx, args->endpoint);
+ grpc_endpoint_destroy(exec_ctx, args->endpoint);
+ grpc_channel_args_destroy(args->args);
+ grpc_slice_buffer_destroy(args->read_buffer);
+ gpr_free(args->read_buffer);
+ }
+ } else {
+ grpc_transport *transport =
+ grpc_create_chttp2_transport(exec_ctx, args->args, args->endpoint, 0);
+ grpc_server_setup_transport(
+ exec_ctx, connection_state->server_state->server, transport,
+ connection_state->accepting_pollset, args->args);
+ grpc_chttp2_transport_start_reading(exec_ctx, transport, args->read_buffer);
+ grpc_channel_args_destroy(args->args);
+ }
+ pending_handshake_manager_remove_locked(connection_state->server_state,
+ connection_state->handshake_mgr);
+ gpr_mu_unlock(&connection_state->server_state->mu);
+ grpc_handshake_manager_destroy(exec_ctx, connection_state->handshake_mgr);
+ grpc_tcp_server_unref(exec_ctx, connection_state->server_state->tcp_server);
+ gpr_free(connection_state);
+}
+
+static void on_accept(grpc_exec_ctx *exec_ctx, void *arg, grpc_endpoint *tcp,
+ grpc_pollset *accepting_pollset,
+ grpc_tcp_server_acceptor *acceptor) {
+ server_state *state = arg;
+ gpr_mu_lock(&state->mu);
+ if (state->shutdown) {
+ gpr_mu_unlock(&state->mu);
+ grpc_endpoint_destroy(exec_ctx, tcp);
+ return;
+ }
+ grpc_handshake_manager *handshake_mgr = grpc_handshake_manager_create();
+ pending_handshake_manager_add_locked(state, handshake_mgr);
+ gpr_mu_unlock(&state->mu);
+ grpc_tcp_server_ref(state->tcp_server);
+ server_connection_state *connection_state =
+ gpr_malloc(sizeof(*connection_state));
+ connection_state->server_state = state;
+ connection_state->accepting_pollset = accepting_pollset;
+ connection_state->acceptor = acceptor;
+ connection_state->handshake_mgr = handshake_mgr;
+ grpc_chttp2_server_handshaker_factory_create_handshakers(
+ exec_ctx, state->handshaker_factory, connection_state->handshake_mgr);
+ // TODO(roth): We should really get this timeout value from channel
+ // args instead of hard-coding it.
+ const gpr_timespec deadline = gpr_time_add(
+ gpr_now(GPR_CLOCK_MONOTONIC), gpr_time_from_seconds(120, GPR_TIMESPAN));
+ grpc_handshake_manager_do_handshake(
+ exec_ctx, connection_state->handshake_mgr, tcp, state->args, deadline,
+ acceptor, on_handshake_done, connection_state);
+}
+
+/* Server callback: start listening on our ports */
+static void server_start_listener(grpc_exec_ctx *exec_ctx, grpc_server *server,
+ void *arg, grpc_pollset **pollsets,
+ size_t pollset_count) {
+ server_state *state = arg;
+ gpr_mu_lock(&state->mu);
+ state->shutdown = false;
+ gpr_mu_unlock(&state->mu);
+ grpc_tcp_server_start(exec_ctx, state->tcp_server, pollsets, pollset_count,
+ on_accept, state);
+}
+
+static void tcp_server_shutdown_complete(grpc_exec_ctx *exec_ctx, void *arg,
+ grpc_error *error) {
+ server_state *state = arg;
+ /* ensure all threads have unlocked */
+ gpr_mu_lock(&state->mu);
+ grpc_closure *destroy_done = state->server_destroy_listener_done;
+ GPR_ASSERT(state->shutdown);
+ pending_handshake_manager_shutdown_locked(exec_ctx, state);
+ gpr_mu_unlock(&state->mu);
+ // Flush queued work before destroying handshaker factory, since that
+ // may do a synchronous unref.
+ grpc_exec_ctx_flush(exec_ctx);
+ grpc_chttp2_server_handshaker_factory_destroy(exec_ctx,
+ state->handshaker_factory);
+ if (destroy_done != NULL) {
+ destroy_done->cb(exec_ctx, destroy_done->cb_arg, GRPC_ERROR_REF(error));
+ grpc_exec_ctx_flush(exec_ctx);
+ }
+ grpc_channel_args_destroy(state->args);
+ gpr_mu_destroy(&state->mu);
+ gpr_free(state);
+}
+
+/* Server callback: destroy the tcp listener (so we don't generate further
+ callbacks) */
+static void server_destroy_listener(grpc_exec_ctx *exec_ctx,
+ grpc_server *server, void *arg,
+ grpc_closure *destroy_done) {
+ server_state *state = arg;
+ gpr_mu_lock(&state->mu);
+ state->shutdown = true;
+ state->server_destroy_listener_done = destroy_done;
+ grpc_tcp_server *tcp_server = state->tcp_server;
+ gpr_mu_unlock(&state->mu);
+ grpc_tcp_server_shutdown_listeners(exec_ctx, tcp_server);
+ grpc_tcp_server_unref(exec_ctx, tcp_server);
+}
+
+grpc_error *grpc_chttp2_server_add_port(
+ grpc_exec_ctx *exec_ctx, grpc_server *server, const char *addr,
+ grpc_channel_args *args,
+ grpc_chttp2_server_handshaker_factory *handshaker_factory, int *port_num) {
+ grpc_resolved_addresses *resolved = NULL;
+ grpc_tcp_server *tcp_server = NULL;
+ size_t i;
+ size_t count = 0;
+ int port_temp;
+ grpc_error *err = GRPC_ERROR_NONE;
+ server_state *state = NULL;
+
+ *port_num = -1;
+
+ /* resolve address */
+ err = grpc_blocking_resolve_address(addr, "https", &resolved);
+ if (err != GRPC_ERROR_NONE) {
+ goto error;
+ }
+ state = gpr_malloc(sizeof(*state));
+ memset(state, 0, sizeof(*state));
+ grpc_closure_init(&state->tcp_server_shutdown_complete,
+ tcp_server_shutdown_complete, state);
+ err =
+ grpc_tcp_server_create(exec_ctx, &state->tcp_server_shutdown_complete,
+ args, &tcp_server);
+ if (err != GRPC_ERROR_NONE) {
+ goto error;
+ }
+
+ state->server = server;
+ state->tcp_server = tcp_server;
+ state->args = args;
+ state->handshaker_factory = handshaker_factory;
+ state->shutdown = true;
+ gpr_mu_init(&state->mu);
+
+ const size_t naddrs = resolved->naddrs;
+ grpc_error **errors = gpr_malloc(sizeof(*errors) * naddrs);
+ for (i = 0; i < naddrs; i++) {
+ errors[i] =
+ grpc_tcp_server_add_port(tcp_server, &resolved->addrs[i], &port_temp);
+ if (errors[i] == GRPC_ERROR_NONE) {
+ if (*port_num == -1) {
+ *port_num = port_temp;
+ } else {
+ GPR_ASSERT(*port_num == port_temp);
+ }
+ count++;
+ }
+ }
+ if (count == 0) {
+ char *msg;
+ gpr_asprintf(&msg, "No address added out of total %" PRIuPTR " resolved",
+ naddrs);
+ err = GRPC_ERROR_CREATE_REFERENCING(msg, errors, naddrs);
+ gpr_free(msg);
+ goto error;
+ } else if (count != naddrs) {
+ char *msg;
+ gpr_asprintf(&msg, "Only %" PRIuPTR
+ " addresses added out of total %" PRIuPTR " resolved",
+ count, naddrs);
+ err = GRPC_ERROR_CREATE_REFERENCING(msg, errors, naddrs);
+ gpr_free(msg);
+
+ const char *warning_message = grpc_error_string(err);
+ gpr_log(GPR_INFO, "WARNING: %s", warning_message);
+ grpc_error_free_string(warning_message);
+ /* we managed to bind some addresses: continue */
+ }
+ grpc_resolved_addresses_destroy(resolved);
+
+ /* Register with the server only upon success */
+ grpc_server_add_listener(exec_ctx, server, state, server_start_listener,
+ server_destroy_listener);
+ goto done;
+
+/* Error path: cleanup and return */
+error:
+ GPR_ASSERT(err != GRPC_ERROR_NONE);
+ if (resolved) {
+ grpc_resolved_addresses_destroy(resolved);
+ }
+ if (tcp_server) {
+ grpc_tcp_server_unref(exec_ctx, tcp_server);
+ }
+ grpc_channel_args_destroy(state->args);
+ grpc_chttp2_server_handshaker_factory_destroy(exec_ctx,
+ state->handshaker_factory);
+ gpr_free(state);
+ *port_num = 0;
+
+done:
+ if (errors != NULL) {
+ for (i = 0; i < naddrs; i++) {
+ GRPC_ERROR_UNREF(errors[i]);
+ }
+ gpr_free(errors);
+ }
+ return err;
+}