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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
#define _GNU_SOURCE
#include <stdio.h>
#include <unistd.h>
#include <fcntl.h>
#include <errno.h>
#include <assert.h>
#include <qpid/dispatch/timer.h>
#include "test_case.h"
#include <qpid/dispatch/server.h>
#include <qpid/dispatch/user_fd.h>
#include <qpid/dispatch/threading.h>
#include <qpid/dispatch/log.h>
#define THREAD_COUNT 4
#define OCTET_COUNT 100
static sys_mutex_t *test_lock;
static void *expected_context;
static int call_count;
static int threads_seen[THREAD_COUNT];
static char stored_error[512];
static int write_count;
static int read_count;
static int fd[2];
static dx_user_fd_t *ufd_write;
static dx_user_fd_t *ufd_read;
static void thread_start(void *context, int thread_id)
{
sys_mutex_lock(test_lock);
if (context != expected_context && !stored_error[0])
sprintf(stored_error, "Unexpected Context Value: %lx", (long) context);
if (thread_id >= THREAD_COUNT && !stored_error[0])
sprintf(stored_error, "Thread_ID too large: %d", thread_id);
if (thread_id < 0 && !stored_error[0])
sprintf(stored_error, "Thread_ID negative: %d", thread_id);
call_count++;
if (thread_id >= 0 && thread_id < THREAD_COUNT)
threads_seen[thread_id]++;
if (call_count == THREAD_COUNT)
dx_server_stop();
sys_mutex_unlock(test_lock);
}
static int conn_handler(void *context, dx_conn_event_t event, dx_connection_t *conn)
{
return 0;
}
static void ufd_handler(void *context, dx_user_fd_t *ufd)
{
long dir = (long) context;
char buffer;
ssize_t len;
static int in_read = 0;
static int in_write = 0;
if (dir == 0) { // READ
in_read++;
assert(in_read == 1);
if (!dx_user_fd_is_readable(ufd_read)) {
sprintf(stored_error, "Expected Readable");
dx_server_stop();
} else {
len = read(fd[0], &buffer, 1);
if (len == 1) {
read_count++;
if (read_count == OCTET_COUNT)
dx_server_stop();
}
dx_user_fd_activate_read(ufd_read);
}
in_read--;
} else { // WRITE
in_write++;
assert(in_write == 1);
if (!dx_user_fd_is_writeable(ufd_write)) {
sprintf(stored_error, "Expected Writable");
dx_server_stop();
} else {
write(fd[1], "X", 1);
write_count++;
if (write_count < OCTET_COUNT)
dx_user_fd_activate_write(ufd_write);
}
in_write--;
}
}
static void fd_test_start(void *context)
{
dx_user_fd_activate_read(ufd_read);
}
static char* test_start_handler(void *context)
{
int i;
dx_server_initialize(THREAD_COUNT);
expected_context = (void*) 0x00112233;
stored_error[0] = 0x0;
call_count = 0;
for (i = 0; i < THREAD_COUNT; i++)
threads_seen[i] = 0;
dx_server_set_conn_handler(conn_handler);
dx_server_set_start_handler(thread_start, expected_context);
dx_server_run();
dx_server_finalize();
if (stored_error[0]) return stored_error;
if (call_count != THREAD_COUNT) return "Incorrect number of thread-start callbacks";
for (i = 0; i < THREAD_COUNT; i++)
if (threads_seen[i] != 1) return "Incorrect count on one thread ID";
return 0;
}
static char* test_user_fd(void *context)
{
int res;
dx_timer_t *timer;
dx_server_initialize(THREAD_COUNT);
dx_server_set_conn_handler(conn_handler);
dx_server_set_user_fd_handler(ufd_handler);
timer = dx_timer(fd_test_start, 0);
dx_timer_schedule(timer, 0);
stored_error[0] = 0x0;
res = pipe2(fd, O_NONBLOCK);
if (res != 0) return "Error creating pipe2";
ufd_write = dx_user_fd(fd[1], (void*) 1);
ufd_read = dx_user_fd(fd[0], (void*) 0);
dx_server_run();
dx_timer_free(timer);
dx_server_finalize();
close(fd[0]);
close(fd[1]);
if (stored_error[0]) return stored_error;
if (write_count - OCTET_COUNT > 2) sprintf(stored_error, "Excessively high Write Count: %d", write_count);
if (read_count != OCTET_COUNT) sprintf(stored_error, "Incorrect Read Count: %d", read_count);;
if (stored_error[0]) return stored_error;
return 0;
}
int server_tests(void)
{
int result = 0;
test_lock = sys_mutex();
dx_log_set_mask(LOG_NONE);
TEST_CASE(test_start_handler, 0);
TEST_CASE(test_user_fd, 0);
sys_mutex_free(test_lock);
return result;
}
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