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The C based gRPC (C++, Python, Ruby, Objective-C, PHP, C#)
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223 lines
7.1 KiB
223 lines
7.1 KiB
/* |
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* |
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* Copyright 2015, Google Inc. |
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* All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions are |
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* met: |
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* |
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* * Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* * Redistributions in binary form must reproduce the above |
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* copyright notice, this list of conditions and the following disclaimer |
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* in the documentation and/or other materials provided with the |
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* distribution. |
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* * Neither the name of Google Inc. nor the names of its |
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* contributors may be used to endorse or promote products derived from |
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* this software without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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* |
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*/ |
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#include <grpc/grpc.h> |
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#include <grpc/grpc_http.h> |
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#include <grpc/grpc_security.h> |
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#include <signal.h> |
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#include <stdio.h> |
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#include <stdlib.h> |
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#include <string.h> |
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#include <time.h> |
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#include "src/core/support/string.h" |
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#include "test/core/util/test_config.h" |
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#include <grpc/support/alloc.h> |
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#include <grpc/support/cmdline.h> |
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#include <grpc/support/host_port.h> |
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#include <grpc/support/log.h> |
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#include <grpc/support/time.h> |
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#include "test/core/util/port.h" |
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#include "test/core/end2end/data/ssl_test_data.h" |
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static grpc_completion_queue *cq; |
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static grpc_server *server; |
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static int got_sigint = 0; |
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typedef struct { |
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gpr_refcount pending_ops; |
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gpr_intmax bytes_read; |
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} call_state; |
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static void request_call(void) { |
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call_state *tag = gpr_malloc(sizeof(*tag)); |
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gpr_ref_init(&tag->pending_ops, 2); |
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tag->bytes_read = 0; |
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grpc_server_request_call_old(server, tag); |
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} |
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static void assert_read_ok(call_state *s, grpc_byte_buffer *b) { |
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grpc_byte_buffer_reader *bb_reader = NULL; |
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gpr_slice read_slice; |
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unsigned i; |
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bb_reader = grpc_byte_buffer_reader_create(b); |
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while (grpc_byte_buffer_reader_next(bb_reader, &read_slice)) { |
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for (i = 0; i < GPR_SLICE_LENGTH(read_slice); i++) { |
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GPR_ASSERT(GPR_SLICE_START_PTR(read_slice)[i] == s->bytes_read % 256); |
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s->bytes_read++; |
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} |
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gpr_slice_unref(read_slice); |
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} |
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grpc_byte_buffer_reader_destroy(bb_reader); |
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} |
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static void sigint_handler(int x) { got_sigint = 1; } |
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int main(int argc, char **argv) { |
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grpc_event *ev; |
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call_state *s; |
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char *addr_buf = NULL; |
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gpr_cmdline *cl; |
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int shutdown_started = 0; |
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int shutdown_finished = 0; |
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int secure = 0; |
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char *addr = NULL; |
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char *fake_argv[1]; |
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#define MAX_ARGS 4 |
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grpc_arg arge[MAX_ARGS]; |
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grpc_arg *e; |
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grpc_channel_args args = {0, NULL}; |
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grpc_http_server_page home_page = {"/", "text/html", |
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"<head>\n" |
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"<title>Echo Server</title>\n" |
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"</head>\n" |
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"<body>\n" |
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"Welcome to the world of the future!\n" |
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"</body>\n"}; |
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GPR_ASSERT(argc >= 1); |
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fake_argv[0] = argv[0]; |
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grpc_test_init(1, fake_argv); |
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grpc_init(); |
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srand(clock()); |
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memset(arge, 0, sizeof(arge)); |
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args.args = arge; |
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cl = gpr_cmdline_create("echo server"); |
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gpr_cmdline_add_string(cl, "bind", "Bind host:port", &addr); |
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gpr_cmdline_add_flag(cl, "secure", "Run with security?", &secure); |
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gpr_cmdline_parse(cl, argc, argv); |
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gpr_cmdline_destroy(cl); |
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e = &arge[args.num_args++]; |
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e->type = GRPC_ARG_POINTER; |
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e->key = GRPC_ARG_SERVE_OVER_HTTP; |
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e->value.pointer.p = &home_page; |
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if (addr == NULL) { |
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gpr_join_host_port(&addr_buf, "::", grpc_pick_unused_port_or_die()); |
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addr = addr_buf; |
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} |
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gpr_log(GPR_INFO, "creating server on: %s", addr); |
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cq = grpc_completion_queue_create(); |
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if (secure) { |
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grpc_ssl_pem_key_cert_pair pem_key_cert_pair = {test_server1_key, |
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test_server1_cert}; |
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grpc_server_credentials *ssl_creds = |
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grpc_ssl_server_credentials_create(NULL, &pem_key_cert_pair, 1); |
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server = grpc_secure_server_create(ssl_creds, cq, &args); |
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GPR_ASSERT(grpc_server_add_secure_http2_port(server, addr)); |
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grpc_server_credentials_release(ssl_creds); |
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} else { |
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server = grpc_server_create(cq, &args); |
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GPR_ASSERT(grpc_server_add_http2_port(server, addr)); |
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} |
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grpc_server_start(server); |
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gpr_free(addr_buf); |
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addr = addr_buf = NULL; |
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request_call(); |
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signal(SIGINT, sigint_handler); |
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while (!shutdown_finished) { |
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if (got_sigint && !shutdown_started) { |
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gpr_log(GPR_INFO, "Shutting down due to SIGINT"); |
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grpc_server_shutdown(server); |
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grpc_completion_queue_shutdown(cq); |
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shutdown_started = 1; |
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} |
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ev = grpc_completion_queue_next( |
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cq, gpr_time_add(gpr_now(), gpr_time_from_seconds(1))); |
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if (!ev) continue; |
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s = ev->tag; |
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switch (ev->type) { |
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case GRPC_SERVER_RPC_NEW: |
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if (ev->call != NULL) { |
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/* initial ops are already started in request_call */ |
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grpc_call_server_accept_old(ev->call, cq, s); |
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grpc_call_server_end_initial_metadata_old(ev->call, |
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GRPC_WRITE_BUFFER_HINT); |
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GPR_ASSERT(grpc_call_start_read_old(ev->call, s) == GRPC_CALL_OK); |
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request_call(); |
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} else { |
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GPR_ASSERT(shutdown_started); |
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gpr_free(s); |
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} |
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break; |
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case GRPC_WRITE_ACCEPTED: |
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GPR_ASSERT(ev->data.write_accepted == GRPC_OP_OK); |
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GPR_ASSERT(grpc_call_start_read_old(ev->call, s) == GRPC_CALL_OK); |
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break; |
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case GRPC_READ: |
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if (ev->data.read) { |
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assert_read_ok(ev->tag, ev->data.read); |
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GPR_ASSERT(grpc_call_start_write_old(ev->call, ev->data.read, s, |
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GRPC_WRITE_BUFFER_HINT) == |
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GRPC_CALL_OK); |
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} else { |
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GPR_ASSERT(grpc_call_start_write_status_old(ev->call, GRPC_STATUS_OK, |
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NULL, s) == GRPC_CALL_OK); |
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} |
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break; |
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case GRPC_FINISH_ACCEPTED: |
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case GRPC_FINISHED: |
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if (gpr_unref(&s->pending_ops)) { |
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grpc_call_destroy(ev->call); |
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gpr_free(s); |
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} |
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break; |
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case GRPC_QUEUE_SHUTDOWN: |
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GPR_ASSERT(shutdown_started); |
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shutdown_finished = 1; |
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break; |
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default: |
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GPR_ASSERT(0); |
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} |
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grpc_event_finish(ev); |
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} |
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grpc_server_destroy(server); |
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grpc_completion_queue_destroy(cq); |
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grpc_shutdown(); |
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return 0; |
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}
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