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-rw-r--r--src/core/surface/server_chttp2.c123
1 files changed, 123 insertions, 0 deletions
diff --git a/src/core/surface/server_chttp2.c b/src/core/surface/server_chttp2.c
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+++ b/src/core/surface/server_chttp2.c
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+/*
+ *
+ * Copyright 2014, 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 <grpc/grpc.h>
+
+#include "src/core/channel/http_filter.h"
+#include "src/core/channel/http_server_filter.h"
+#include "src/core/endpoint/resolve_address.h"
+#include "src/core/endpoint/tcp_server.h"
+#include "src/core/surface/server.h"
+#include "src/core/surface/surface_em.h"
+#include "src/core/transport/chttp2_transport.h"
+#include <grpc/support/alloc.h>
+#include <grpc/support/log.h>
+#include <grpc/support/useful.h>
+
+static grpc_transport_setup_result setup_transport(void *server,
+ grpc_transport *transport,
+ grpc_mdctx *mdctx) {
+ static grpc_channel_filter const *extra_filters[] = {&grpc_http_server_filter,
+ &grpc_http_filter};
+ return grpc_server_setup_transport(server, transport, extra_filters,
+ GPR_ARRAY_SIZE(extra_filters), mdctx);
+}
+
+static void new_transport(void *server, grpc_endpoint *tcp) {
+ grpc_create_chttp2_transport(setup_transport, server,
+ grpc_server_get_channel_args(server), tcp, NULL,
+ 0, grpc_mdctx_create(), 0);
+}
+
+/* Server callback: start listening on our ports */
+static void start(grpc_server *server, void *tcpp) {
+ grpc_tcp_server *tcp = tcpp;
+ grpc_tcp_server_start(tcp, new_transport, server);
+}
+
+/* Server callback: destroy the tcp listener (so we don't generate further
+ callbacks) */
+static void destroy(grpc_server *server, void *tcpp) {
+ grpc_tcp_server *tcp = tcpp;
+ grpc_tcp_server_destroy(tcp);
+}
+
+int grpc_server_add_http2_port(grpc_server *server, const char *addr) {
+ grpc_resolved_addresses *resolved = NULL;
+ grpc_tcp_server *tcp = NULL;
+ size_t i;
+ int count = 0;
+
+ resolved = grpc_blocking_resolve_address(addr, "http");
+ if (!resolved) {
+ goto error;
+ }
+
+ tcp = grpc_tcp_server_create(grpc_surface_em());
+ if (!tcp) {
+ goto error;
+ }
+
+ for (i = 0; i < resolved->naddrs; i++) {
+ if (grpc_tcp_server_add_port(tcp,
+ (struct sockaddr *)&resolved->addrs[i].addr,
+ resolved->addrs[i].len) >= 0) {
+ count++;
+ }
+ }
+ if (count == 0) {
+ gpr_log(GPR_ERROR, "No address added out of total %d resolved",
+ resolved->naddrs);
+ goto error;
+ }
+ if (count != resolved->naddrs) {
+ gpr_log(GPR_ERROR, "Only %d addresses added out of total %d resolved",
+ count, resolved->naddrs);
+ }
+ grpc_resolved_addresses_destroy(resolved);
+
+ /* Register with the server only upon success */
+ grpc_server_add_listener(server, tcp, start, destroy);
+
+ return 1;
+
+/* Error path: cleanup and return */
+error:
+ if (resolved) {
+ grpc_resolved_addresses_destroy(resolved);
+ }
+ if (tcp) {
+ grpc_tcp_server_destroy(tcp);
+ }
+ return 0;
+}