632 lines
13 KiB
C
632 lines
13 KiB
C
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/*
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* Copyright (c) 2003-2006 Niels Provos <provos@citi.umich.edu>
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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
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* are met:
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* 1. 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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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT 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 OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifdef WIN32
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#include <winsock2.h>
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#include <windows.h>
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#endif
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <sys/types.h>
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#include <sys/stat.h>
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#ifdef HAVE_SYS_TIME_H
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#include <sys/time.h>
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#endif
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#include <sys/queue.h>
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#ifndef WIN32
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#include <sys/socket.h>
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#include <signal.h>
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#include <unistd.h>
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#include <netdb.h>
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#endif
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#include <fcntl.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <errno.h>
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#include <assert.h>
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#include "event.h"
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#include "evhttp.h"
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#include "log.h"
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#include "evrpc.h"
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#include "regress.gen.h"
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void rpc_suite(void);
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extern int test_ok;
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static struct evhttp *
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http_setup(short *pport)
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{
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int i;
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struct evhttp *myhttp;
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short port = -1;
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/* Try a few different ports */
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for (i = 0; i < 50; ++i) {
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myhttp = evhttp_start("127.0.0.1", 8080 + i);
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if (myhttp != NULL) {
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port = 8080 + i;
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break;
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}
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}
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if (port == -1)
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event_errx(1, "Could not start web server");
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*pport = port;
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return (myhttp);
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}
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EVRPC_HEADER(Message, msg, kill);
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EVRPC_HEADER(NeverReply, msg, kill);
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EVRPC_GENERATE(Message, msg, kill);
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EVRPC_GENERATE(NeverReply, msg, kill);
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static int need_input_hook = 0;
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static int need_output_hook = 0;
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static void
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MessageCb(EVRPC_STRUCT(Message)* rpc, void *arg)
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{
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struct kill* kill_reply = rpc->reply;
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if (need_input_hook) {
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struct evhttp_request* req = EVRPC_REQUEST_HTTP(rpc);
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const char *header = evhttp_find_header(
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req->input_headers, "X-Hook");
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assert(strcmp(header, "input") == 0);
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}
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/* we just want to fill in some non-sense */
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EVTAG_ASSIGN(kill_reply, weapon, "dagger");
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EVTAG_ASSIGN(kill_reply, action, "wave around like an idiot");
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/* no reply to the RPC */
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EVRPC_REQUEST_DONE(rpc);
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}
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static EVRPC_STRUCT(NeverReply) *saved_rpc;
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static void
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NeverReplyCb(EVRPC_STRUCT(NeverReply)* rpc, void *arg)
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{
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test_ok += 1;
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saved_rpc = rpc;
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}
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static void
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rpc_setup(struct evhttp **phttp, short *pport, struct evrpc_base **pbase)
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{
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short port;
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struct evhttp *http = NULL;
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struct evrpc_base *base = NULL;
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http = http_setup(&port);
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base = evrpc_init(http);
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EVRPC_REGISTER(base, Message, msg, kill, MessageCb, NULL);
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EVRPC_REGISTER(base, NeverReply, msg, kill, NeverReplyCb, NULL);
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*phttp = http;
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*pport = port;
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*pbase = base;
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need_input_hook = 0;
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need_output_hook = 0;
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}
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static void
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rpc_teardown(struct evrpc_base *base)
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{
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assert(EVRPC_UNREGISTER(base, Message) == 0);
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assert(EVRPC_UNREGISTER(base, NeverReply) == 0);
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evrpc_free(base);
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}
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static void
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rpc_postrequest_failure(struct evhttp_request *req, void *arg)
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{
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if (req->response_code != HTTP_SERVUNAVAIL) {
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fprintf(stderr, "FAILED (response code)\n");
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exit(1);
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}
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test_ok = 1;
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event_loopexit(NULL);
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}
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/*
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* Test a malformed payload submitted as an RPC
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*/
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static void
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rpc_basic_test(void)
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{
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short port;
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struct evhttp *http = NULL;
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struct evrpc_base *base = NULL;
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struct evhttp_connection *evcon = NULL;
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struct evhttp_request *req = NULL;
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fprintf(stdout, "Testing Basic RPC Support: ");
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rpc_setup(&http, &port, &base);
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evcon = evhttp_connection_new("127.0.0.1", port);
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if (evcon == NULL) {
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fprintf(stdout, "FAILED\n");
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exit(1);
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}
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/*
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* At this point, we want to schedule an HTTP POST request
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* server using our make request method.
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*/
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req = evhttp_request_new(rpc_postrequest_failure, NULL);
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if (req == NULL) {
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fprintf(stdout, "FAILED\n");
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exit(1);
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}
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/* Add the information that we care about */
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evhttp_add_header(req->output_headers, "Host", "somehost");
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evbuffer_add_printf(req->output_buffer, "Some Nonsense");
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if (evhttp_make_request(evcon, req,
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EVHTTP_REQ_POST,
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"/.rpc.Message") == -1) {
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fprintf(stdout, "FAILED\n");
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exit(1);
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}
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test_ok = 0;
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event_dispatch();
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evhttp_connection_free(evcon);
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rpc_teardown(base);
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if (test_ok != 1) {
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fprintf(stdout, "FAILED\n");
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exit(1);
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}
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fprintf(stdout, "OK\n");
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evhttp_free(http);
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}
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static void
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rpc_postrequest_done(struct evhttp_request *req, void *arg)
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{
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struct kill* kill_reply = NULL;
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if (req->response_code != HTTP_OK) {
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fprintf(stderr, "FAILED (response code)\n");
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exit(1);
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}
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kill_reply = kill_new();
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if ((kill_unmarshal(kill_reply, req->input_buffer)) == -1) {
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fprintf(stderr, "FAILED (unmarshal)\n");
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exit(1);
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}
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kill_free(kill_reply);
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test_ok = 1;
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event_loopexit(NULL);
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}
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static void
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rpc_basic_message(void)
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{
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short port;
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struct evhttp *http = NULL;
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struct evrpc_base *base = NULL;
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struct evhttp_connection *evcon = NULL;
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struct evhttp_request *req = NULL;
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struct msg *msg;
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fprintf(stdout, "Testing Good RPC Post: ");
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rpc_setup(&http, &port, &base);
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evcon = evhttp_connection_new("127.0.0.1", port);
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if (evcon == NULL) {
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fprintf(stdout, "FAILED\n");
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exit(1);
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}
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/*
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* At this point, we want to schedule an HTTP POST request
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* server using our make request method.
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*/
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req = evhttp_request_new(rpc_postrequest_done, NULL);
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if (req == NULL) {
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fprintf(stdout, "FAILED\n");
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exit(1);
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}
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/* Add the information that we care about */
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evhttp_add_header(req->output_headers, "Host", "somehost");
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/* set up the basic message */
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msg = msg_new();
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EVTAG_ASSIGN(msg, from_name, "niels");
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EVTAG_ASSIGN(msg, to_name, "tester");
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msg_marshal(req->output_buffer, msg);
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msg_free(msg);
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if (evhttp_make_request(evcon, req,
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EVHTTP_REQ_POST,
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"/.rpc.Message") == -1) {
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fprintf(stdout, "FAILED\n");
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exit(1);
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}
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test_ok = 0;
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event_dispatch();
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evhttp_connection_free(evcon);
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rpc_teardown(base);
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if (test_ok != 1) {
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fprintf(stdout, "FAILED\n");
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exit(1);
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}
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fprintf(stdout, "OK\n");
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evhttp_free(http);
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}
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static struct evrpc_pool *
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rpc_pool_with_connection(short port)
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{
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struct evhttp_connection *evcon;
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struct evrpc_pool *pool;
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pool = evrpc_pool_new(NULL);
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assert(pool != NULL);
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evcon = evhttp_connection_new("127.0.0.1", port);
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assert(evcon != NULL);
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evrpc_pool_add_connection(pool, evcon);
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return (pool);
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}
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static void
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GotKillCb(struct evrpc_status *status,
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struct msg *msg, struct kill *kill, void *arg)
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{
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char *weapon;
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char *action;
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if (need_output_hook) {
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struct evhttp_request *req = status->http_req;
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const char *header = evhttp_find_header(
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req->input_headers, "X-Pool-Hook");
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assert(strcmp(header, "ran") == 0);
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}
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if (status->error != EVRPC_STATUS_ERR_NONE)
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goto done;
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if (EVTAG_GET(kill, weapon, &weapon) == -1) {
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fprintf(stderr, "get weapon\n");
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goto done;
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}
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if (EVTAG_GET(kill, action, &action) == -1) {
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fprintf(stderr, "get action\n");
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goto done;
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}
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if (strcmp(weapon, "dagger"))
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goto done;
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if (strcmp(action, "wave around like an idiot"))
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goto done;
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test_ok += 1;
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done:
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event_loopexit(NULL);
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}
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static void
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GotKillCbTwo(struct evrpc_status *status,
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struct msg *msg, struct kill *kill, void *arg)
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{
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char *weapon;
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char *action;
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if (status->error != EVRPC_STATUS_ERR_NONE)
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goto done;
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if (EVTAG_GET(kill, weapon, &weapon) == -1) {
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fprintf(stderr, "get weapon\n");
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goto done;
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}
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if (EVTAG_GET(kill, action, &action) == -1) {
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fprintf(stderr, "get action\n");
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goto done;
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}
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if (strcmp(weapon, "dagger"))
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goto done;
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if (strcmp(action, "wave around like an idiot"))
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goto done;
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test_ok += 1;
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done:
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if (test_ok == 2)
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event_loopexit(NULL);
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||
|
|
}
|
||
|
|
|
||
|
|
static int
|
||
|
|
rpc_hook_add_header(struct evhttp_request *req,
|
||
|
|
struct evbuffer *evbuf, void *arg)
|
||
|
|
{
|
||
|
|
const char *hook_type = arg;
|
||
|
|
if (strcmp("input", hook_type) == 0)
|
||
|
|
evhttp_add_header(req->input_headers, "X-Hook", hook_type);
|
||
|
|
else
|
||
|
|
evhttp_add_header(req->output_headers, "X-Hook", hook_type);
|
||
|
|
return (0);
|
||
|
|
}
|
||
|
|
|
||
|
|
static int
|
||
|
|
rpc_hook_remove_header(struct evhttp_request *req,
|
||
|
|
struct evbuffer *evbuf, void *arg)
|
||
|
|
{
|
||
|
|
const char *header = evhttp_find_header(req->input_headers, "X-Hook");
|
||
|
|
assert(header != NULL);
|
||
|
|
assert(strcmp(header, arg) == 0);
|
||
|
|
evhttp_remove_header(req->input_headers, "X-Hook");
|
||
|
|
evhttp_add_header(req->input_headers, "X-Pool-Hook", "ran");
|
||
|
|
|
||
|
|
return (0);
|
||
|
|
}
|
||
|
|
|
||
|
|
static void
|
||
|
|
rpc_basic_client(void)
|
||
|
|
{
|
||
|
|
short port;
|
||
|
|
struct evhttp *http = NULL;
|
||
|
|
struct evrpc_base *base = NULL;
|
||
|
|
struct evrpc_pool *pool = NULL;
|
||
|
|
struct msg *msg;
|
||
|
|
struct kill *kill;
|
||
|
|
|
||
|
|
fprintf(stdout, "Testing RPC Client: ");
|
||
|
|
|
||
|
|
rpc_setup(&http, &port, &base);
|
||
|
|
|
||
|
|
need_input_hook = 1;
|
||
|
|
need_output_hook = 1;
|
||
|
|
|
||
|
|
assert(evrpc_add_hook(base, EVRPC_INPUT, rpc_hook_add_header, (void*)"input")
|
||
|
|
!= NULL);
|
||
|
|
assert(evrpc_add_hook(base, EVRPC_OUTPUT, rpc_hook_add_header, (void*)"output")
|
||
|
|
!= NULL);
|
||
|
|
|
||
|
|
pool = rpc_pool_with_connection(port);
|
||
|
|
|
||
|
|
assert(evrpc_add_hook(pool, EVRPC_INPUT, rpc_hook_remove_header, (void*)"output"));
|
||
|
|
|
||
|
|
/* set up the basic message */
|
||
|
|
msg = msg_new();
|
||
|
|
EVTAG_ASSIGN(msg, from_name, "niels");
|
||
|
|
EVTAG_ASSIGN(msg, to_name, "tester");
|
||
|
|
|
||
|
|
kill = kill_new();
|
||
|
|
|
||
|
|
EVRPC_MAKE_REQUEST(Message, pool, msg, kill, GotKillCb, NULL);
|
||
|
|
|
||
|
|
test_ok = 0;
|
||
|
|
|
||
|
|
event_dispatch();
|
||
|
|
|
||
|
|
if (test_ok != 1) {
|
||
|
|
fprintf(stdout, "FAILED (1)\n");
|
||
|
|
exit(1);
|
||
|
|
}
|
||
|
|
|
||
|
|
/* we do it twice to make sure that reuse works correctly */
|
||
|
|
kill_clear(kill);
|
||
|
|
|
||
|
|
EVRPC_MAKE_REQUEST(Message, pool, msg, kill, GotKillCb, NULL);
|
||
|
|
|
||
|
|
event_dispatch();
|
||
|
|
|
||
|
|
rpc_teardown(base);
|
||
|
|
|
||
|
|
if (test_ok != 2) {
|
||
|
|
fprintf(stdout, "FAILED (2)\n");
|
||
|
|
exit(1);
|
||
|
|
}
|
||
|
|
|
||
|
|
fprintf(stdout, "OK\n");
|
||
|
|
|
||
|
|
msg_free(msg);
|
||
|
|
kill_free(kill);
|
||
|
|
|
||
|
|
evrpc_pool_free(pool);
|
||
|
|
evhttp_free(http);
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
* We are testing that the second requests gets send over the same
|
||
|
|
* connection after the first RPCs completes.
|
||
|
|
*/
|
||
|
|
static void
|
||
|
|
rpc_basic_queued_client(void)
|
||
|
|
{
|
||
|
|
short port;
|
||
|
|
struct evhttp *http = NULL;
|
||
|
|
struct evrpc_base *base = NULL;
|
||
|
|
struct evrpc_pool *pool = NULL;
|
||
|
|
struct msg *msg;
|
||
|
|
struct kill *kill_one, *kill_two;
|
||
|
|
|
||
|
|
fprintf(stdout, "Testing RPC (Queued) Client: ");
|
||
|
|
|
||
|
|
rpc_setup(&http, &port, &base);
|
||
|
|
|
||
|
|
pool = rpc_pool_with_connection(port);
|
||
|
|
|
||
|
|
/* set up the basic message */
|
||
|
|
msg = msg_new();
|
||
|
|
EVTAG_ASSIGN(msg, from_name, "niels");
|
||
|
|
EVTAG_ASSIGN(msg, to_name, "tester");
|
||
|
|
|
||
|
|
kill_one = kill_new();
|
||
|
|
kill_two = kill_new();
|
||
|
|
|
||
|
|
EVRPC_MAKE_REQUEST(Message, pool, msg, kill_one, GotKillCbTwo, NULL);
|
||
|
|
EVRPC_MAKE_REQUEST(Message, pool, msg, kill_two, GotKillCb, NULL);
|
||
|
|
|
||
|
|
test_ok = 0;
|
||
|
|
|
||
|
|
event_dispatch();
|
||
|
|
|
||
|
|
rpc_teardown(base);
|
||
|
|
|
||
|
|
if (test_ok != 2) {
|
||
|
|
fprintf(stdout, "FAILED (1)\n");
|
||
|
|
exit(1);
|
||
|
|
}
|
||
|
|
|
||
|
|
fprintf(stdout, "OK\n");
|
||
|
|
|
||
|
|
msg_free(msg);
|
||
|
|
kill_free(kill_one);
|
||
|
|
kill_free(kill_two);
|
||
|
|
|
||
|
|
evrpc_pool_free(pool);
|
||
|
|
evhttp_free(http);
|
||
|
|
}
|
||
|
|
|
||
|
|
static void
|
||
|
|
GotErrorCb(struct evrpc_status *status,
|
||
|
|
struct msg *msg, struct kill *kill, void *arg)
|
||
|
|
{
|
||
|
|
if (status->error != EVRPC_STATUS_ERR_TIMEOUT)
|
||
|
|
goto done;
|
||
|
|
|
||
|
|
/* should never be complete but just to check */
|
||
|
|
if (kill_complete(kill) == 0)
|
||
|
|
goto done;
|
||
|
|
|
||
|
|
test_ok += 1;
|
||
|
|
|
||
|
|
done:
|
||
|
|
event_loopexit(NULL);
|
||
|
|
}
|
||
|
|
|
||
|
|
static void
|
||
|
|
rpc_client_timeout(void)
|
||
|
|
{
|
||
|
|
short port;
|
||
|
|
struct evhttp *http = NULL;
|
||
|
|
struct evrpc_base *base = NULL;
|
||
|
|
struct evrpc_pool *pool = NULL;
|
||
|
|
struct msg *msg;
|
||
|
|
struct kill *kill;
|
||
|
|
|
||
|
|
fprintf(stdout, "Testing RPC Client Timeout: ");
|
||
|
|
|
||
|
|
rpc_setup(&http, &port, &base);
|
||
|
|
|
||
|
|
pool = rpc_pool_with_connection(port);
|
||
|
|
|
||
|
|
/* set the timeout to 5 seconds */
|
||
|
|
evrpc_pool_set_timeout(pool, 5);
|
||
|
|
|
||
|
|
/* set up the basic message */
|
||
|
|
msg = msg_new();
|
||
|
|
EVTAG_ASSIGN(msg, from_name, "niels");
|
||
|
|
EVTAG_ASSIGN(msg, to_name, "tester");
|
||
|
|
|
||
|
|
kill = kill_new();
|
||
|
|
|
||
|
|
EVRPC_MAKE_REQUEST(NeverReply, pool, msg, kill, GotErrorCb, NULL);
|
||
|
|
|
||
|
|
test_ok = 0;
|
||
|
|
|
||
|
|
event_dispatch();
|
||
|
|
|
||
|
|
/* free the saved RPC structure up */
|
||
|
|
EVRPC_REQUEST_DONE(saved_rpc);
|
||
|
|
|
||
|
|
rpc_teardown(base);
|
||
|
|
|
||
|
|
if (test_ok != 2) {
|
||
|
|
fprintf(stdout, "FAILED (1)\n");
|
||
|
|
exit(1);
|
||
|
|
}
|
||
|
|
|
||
|
|
fprintf(stdout, "OK\n");
|
||
|
|
|
||
|
|
msg_free(msg);
|
||
|
|
kill_free(kill);
|
||
|
|
|
||
|
|
evrpc_pool_free(pool);
|
||
|
|
evhttp_free(http);
|
||
|
|
}
|
||
|
|
|
||
|
|
void
|
||
|
|
rpc_suite(void)
|
||
|
|
{
|
||
|
|
rpc_basic_test();
|
||
|
|
rpc_basic_message();
|
||
|
|
rpc_basic_client();
|
||
|
|
rpc_basic_queued_client();
|
||
|
|
rpc_client_timeout();
|
||
|
|
}
|