Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 1 | /* |
| 2 | * |
Dan Born | 725ee28 | 2016-01-13 13:14:56 -0800 | [diff] [blame] | 3 | * Copyright 2015-2016, Google Inc. |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 4 | * All rights reserved. |
| 5 | * |
| 6 | * Redistribution and use in source and binary forms, with or without |
| 7 | * modification, are permitted provided that the following conditions are |
| 8 | * met: |
| 9 | * |
| 10 | * * Redistributions of source code must retain the above copyright |
| 11 | * notice, this list of conditions and the following disclaimer. |
| 12 | * * Redistributions in binary form must reproduce the above |
| 13 | * copyright notice, this list of conditions and the following disclaimer |
| 14 | * in the documentation and/or other materials provided with the |
| 15 | * distribution. |
| 16 | * * Neither the name of Google Inc. nor the names of its |
| 17 | * contributors may be used to endorse or promote products derived from |
| 18 | * this software without specific prior written permission. |
| 19 | * |
| 20 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 21 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 22 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 23 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 24 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 25 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 26 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 27 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 28 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 29 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 30 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 31 | * |
| 32 | */ |
| 33 | |
| 34 | #include <grpc/grpc.h> |
| 35 | |
Craig Tiller | f40df23 | 2016-03-25 13:38:14 -0700 | [diff] [blame] | 36 | #include <grpc/support/alloc.h> |
| 37 | #include <grpc/support/log.h> |
| 38 | #include <grpc/support/useful.h> |
Craig Tiller | adcb92d | 2016-03-28 10:14:05 -0700 | [diff] [blame] | 39 | #include "src/core/ext/transport/chttp2/transport/chttp2_transport.h" |
Craig Tiller | 9533d04 | 2016-03-25 17:11:06 -0700 | [diff] [blame] | 40 | #include "src/core/lib/channel/http_server_filter.h" |
| 41 | #include "src/core/lib/iomgr/resolve_address.h" |
| 42 | #include "src/core/lib/iomgr/tcp_server.h" |
| 43 | #include "src/core/lib/surface/api_trace.h" |
| 44 | #include "src/core/lib/surface/server.h" |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 45 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 46 | static void setup_transport(grpc_exec_ctx *exec_ctx, void *server, |
Craig Tiller | b2b4261 | 2015-11-20 12:02:17 -0800 | [diff] [blame] | 47 | grpc_transport *transport) { |
Craig Tiller | 178edfa | 2016-02-17 20:54:46 -0800 | [diff] [blame] | 48 | grpc_server_setup_transport(exec_ctx, server, transport, |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 49 | grpc_server_get_channel_args(server)); |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 50 | } |
| 51 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 52 | static void new_transport(grpc_exec_ctx *exec_ctx, void *server, |
Dan Born | 5d81d15 | 2016-01-12 20:29:29 -0800 | [diff] [blame] | 53 | grpc_endpoint *tcp, |
| 54 | grpc_tcp_server_acceptor *acceptor) { |
David Klempner | fd5d8ff | 2015-03-05 14:17:38 -0800 | [diff] [blame] | 55 | /* |
| 56 | * Beware that the call to grpc_create_chttp2_transport() has to happen before |
| 57 | * grpc_tcp_server_destroy(). This is fine here, but similar code |
| 58 | * asynchronously doing a handshake instead of calling grpc_tcp_server_start() |
| 59 | * (as in server_secure_chttp2.c) needs to add synchronization to avoid this |
| 60 | * case. |
| 61 | */ |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 62 | grpc_transport *transport = grpc_create_chttp2_transport( |
Craig Tiller | b2b4261 | 2015-11-20 12:02:17 -0800 | [diff] [blame] | 63 | exec_ctx, grpc_server_get_channel_args(server), tcp, 0); |
| 64 | setup_transport(exec_ctx, server, transport); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 65 | grpc_chttp2_transport_start_reading(exec_ctx, transport, NULL, 0); |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 66 | } |
| 67 | |
| 68 | /* Server callback: start listening on our ports */ |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 69 | static void start(grpc_exec_ctx *exec_ctx, grpc_server *server, void *tcpp, |
| 70 | grpc_pollset **pollsets, size_t pollset_count) { |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 71 | grpc_tcp_server *tcp = tcpp; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 72 | grpc_tcp_server_start(exec_ctx, tcp, pollsets, pollset_count, new_transport, |
| 73 | server); |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 74 | } |
| 75 | |
| 76 | /* Server callback: destroy the tcp listener (so we don't generate further |
| 77 | callbacks) */ |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 78 | static void destroy(grpc_exec_ctx *exec_ctx, grpc_server *server, void *tcpp, |
| 79 | grpc_closure *destroy_done) { |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 80 | grpc_tcp_server *tcp = tcpp; |
Dan Born | fa6b606 | 2016-01-08 21:01:59 -0800 | [diff] [blame] | 81 | grpc_tcp_server_unref(exec_ctx, tcp); |
Craig Tiller | 6c39686 | 2016-01-28 13:53:40 -0800 | [diff] [blame] | 82 | grpc_exec_ctx_enqueue(exec_ctx, destroy_done, true, NULL); |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 83 | } |
| 84 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 85 | int grpc_server_add_insecure_http2_port(grpc_server *server, const char *addr) { |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 86 | grpc_resolved_addresses *resolved = NULL; |
| 87 | grpc_tcp_server *tcp = NULL; |
| 88 | size_t i; |
Nicolas "Pixel" Noble | 213ed91 | 2015-01-30 02:11:35 +0100 | [diff] [blame] | 89 | unsigned count = 0; |
ctiller | 570d1f4 | 2015-01-12 16:29:52 -0800 | [diff] [blame] | 90 | int port_num = -1; |
| 91 | int port_temp; |
Craig Tiller | f5768a6 | 2015-09-22 10:54:34 -0700 | [diff] [blame] | 92 | grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 93 | |
Masood Malekghassemi | 76c3d74 | 2015-08-19 18:22:53 -0700 | [diff] [blame] | 94 | GRPC_API_TRACE("grpc_server_add_insecure_http2_port(server=%p, addr=%s)", 2, |
| 95 | (server, addr)); |
| 96 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 97 | resolved = grpc_blocking_resolve_address(addr, "http"); |
| 98 | if (!resolved) { |
| 99 | goto error; |
| 100 | } |
Craig Tiller | 45724b3 | 2015-09-22 10:42:19 -0700 | [diff] [blame] | 101 | |
Dan Born | fa6b606 | 2016-01-08 21:01:59 -0800 | [diff] [blame] | 102 | tcp = grpc_tcp_server_create(NULL); |
yang-g | fe9a975 | 2015-12-09 10:47:18 -0800 | [diff] [blame] | 103 | GPR_ASSERT(tcp); |
Craig Tiller | 45724b3 | 2015-09-22 10:42:19 -0700 | [diff] [blame] | 104 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 105 | for (i = 0; i < resolved->naddrs; i++) { |
Dan Born | fa6b606 | 2016-01-08 21:01:59 -0800 | [diff] [blame] | 106 | port_temp = grpc_tcp_server_add_port( |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 107 | tcp, (struct sockaddr *)&resolved->addrs[i].addr, |
| 108 | resolved->addrs[i].len); |
Jan Tattermusch | 1d7ccec | 2015-12-14 09:33:30 -0800 | [diff] [blame] | 109 | if (port_temp > 0) { |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 110 | if (port_num == -1) { |
| 111 | port_num = port_temp; |
| 112 | } else { |
| 113 | GPR_ASSERT(port_num == port_temp); |
| 114 | } |
| 115 | count++; |
Craig Tiller | 45724b3 | 2015-09-22 10:42:19 -0700 | [diff] [blame] | 116 | } |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 117 | } |
| 118 | if (count == 0) { |
| 119 | gpr_log(GPR_ERROR, "No address added out of total %d resolved", |
| 120 | resolved->naddrs); |
| 121 | goto error; |
| 122 | } |
| 123 | if (count != resolved->naddrs) { |
| 124 | gpr_log(GPR_ERROR, "Only %d addresses added out of total %d resolved", |
| 125 | count, resolved->naddrs); |
| 126 | } |
| 127 | grpc_resolved_addresses_destroy(resolved); |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 128 | |
| 129 | /* Register with the server only upon success */ |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 130 | grpc_server_add_listener(&exec_ctx, server, tcp, start, destroy); |
Craig Tiller | dfff1b8 | 2015-09-21 14:39:57 -0700 | [diff] [blame] | 131 | goto done; |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 132 | |
| 133 | /* Error path: cleanup and return */ |
| 134 | error: |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 135 | if (resolved) { |
| 136 | grpc_resolved_addresses_destroy(resolved); |
| 137 | } |
| 138 | if (tcp) { |
Dan Born | fa6b606 | 2016-01-08 21:01:59 -0800 | [diff] [blame] | 139 | grpc_tcp_server_unref(&exec_ctx, tcp); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 140 | } |
Craig Tiller | dfff1b8 | 2015-09-21 14:39:57 -0700 | [diff] [blame] | 141 | port_num = 0; |
| 142 | |
| 143 | done: |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 144 | grpc_exec_ctx_finish(&exec_ctx); |
Craig Tiller | ba49645 | 2015-09-21 17:15:19 -0700 | [diff] [blame] | 145 | return port_num; |
Craig Tiller | 190d360 | 2015-02-18 09:23:38 -0800 | [diff] [blame] | 146 | } |