| /* |
| * 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 "test_case.h" |
| #include <qpid/dispatch.h> |
| |
| #define THREAD_COUNT 4 |
| #define OCTET_COUNT 100 |
| |
| static qd_dispatch_t *qd; |
| static sys_mutex_t *test_lock; |
| |
| static int call_count; |
| static char stored_error[512]; |
| |
| static int write_count; |
| static int read_count; |
| static int fd[2]; |
| static qd_user_fd_t *ufd_write; |
| static qd_user_fd_t *ufd_read; |
| |
| |
| static void ufd_handler(void *context, qd_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 (!qd_user_fd_is_readable(ufd_read)) { |
| sprintf(stored_error, "Expected Readable"); |
| qd_server_stop(qd); |
| } else { |
| len = read(fd[0], &buffer, 1); |
| if (len == 1) { |
| read_count++; |
| if (read_count == OCTET_COUNT) |
| qd_server_stop(qd); |
| } |
| qd_user_fd_activate_read(ufd_read); |
| } |
| in_read--; |
| } else { // WRITE |
| in_write++; |
| assert(in_write == 1); |
| if (!qd_user_fd_is_writeable(ufd_write)) { |
| sprintf(stored_error, "Expected Writable"); |
| qd_server_stop(qd); |
| } else { |
| if (write(fd[1], "X", 1) < 0) abort(); |
| |
| write_count++; |
| if (write_count < OCTET_COUNT) |
| qd_user_fd_activate_write(ufd_write); |
| } |
| in_write--; |
| } |
| } |
| |
| |
| static void fd_test_start(void *context, int unused) |
| { |
| if (++call_count == THREAD_COUNT) { |
| qd_user_fd_activate_read(ufd_read); |
| } |
| } |
| |
| |
| static char* test_user_fd(void *context) |
| { |
| int res; |
| |
| call_count = 0; |
| qd_server_set_start_handler(qd, fd_test_start, 0); |
| qd_server_set_user_fd_handler(qd, ufd_handler); |
| |
| stored_error[0] = 0x0; |
| |
| res = pipe(fd); // Don't use pipe2 because it's not available on RHEL5 |
| if (res != 0) return "Error creating pipe2"; |
| |
| for (int i = 0; i < 2; i++) { |
| int flags = fcntl(fd[i], F_GETFL); |
| flags |= O_NONBLOCK; |
| if (fcntl(fd[i], F_SETFL, flags) < 0) { |
| perror("fcntl"); |
| return "Failed to set socket to non-blocking"; |
| } |
| } |
| |
| ufd_write = qd_user_fd(qd, fd[1], (void*) 1); |
| ufd_read = qd_user_fd(qd, fd[0], (void*) 0); |
| |
| qd_server_run(qd); |
| close(fd[0]); |
| close(fd[1]); |
| |
| qd_user_fd_free(ufd_read); |
| qd_user_fd_free(ufd_write); |
| |
| 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(qd_dispatch_t *_qd) |
| { |
| int result = 0; |
| test_lock = sys_mutex(); |
| |
| qd = _qd; |
| |
| TEST_CASE(test_user_fd, 0); |
| |
| sys_mutex_free(test_lock); |
| return result; |
| } |
| |