/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│ │vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│ ╞══════════════════════════════════════════════════════════════════════════════╡ │ Copyright 2021 Justine Alexandra Roberts Tunney │ │ │ │ Permission to use, copy, modify, and/or distribute this software for │ │ any purpose with or without fee is hereby granted, provided that the │ │ above copyright notice and this permission notice appear in all copies. │ │ │ │ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │ │ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │ │ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │ │ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │ │ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │ │ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │ │ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │ │ PERFORMANCE OF THIS SOFTWARE. │ ╚─────────────────────────────────────────────────────────────────────────────*/ #include "libc/assert.h" #include "libc/calls/calls.h" #include "libc/calls/struct/iovec.h" #include "libc/dce.h" #include "libc/errno.h" #include "libc/mem/gc.internal.h" #include "libc/sock/sock.h" #include "libc/sock/struct/msghdr.h" #include "libc/sock/struct/sockaddr.h" #include "libc/str/str.h" #include "libc/sysv/consts/af.h" #include "libc/sysv/consts/ipproto.h" #include "libc/sysv/consts/o.h" #include "libc/sysv/consts/sock.h" #include "libc/testlib/testlib.h" #include "libc/x/x.h" TEST(sendrecvmsg, testPingPong) { int fd[2]; const char hello[] = "HELLO"; const char world[] = "WORLD"; struct msghdr msg; struct iovec data[2]; const uint32_t hwLen = strlen(hello) + strlen(world); memset(&msg, 0, sizeof(msg)); memset(&data[0], 0, sizeof(data)); data[0].iov_base = (void *)hello; data[0].iov_len = strlen(hello); data[1].iov_base = (void *)world; data[1].iov_len = strlen(world); /* Don't send the '\0' */ msg.msg_iov = &data[0]; msg.msg_iovlen = 2; ASSERT_NE(-1, socketpair(AF_UNIX, SOCK_STREAM, 0, fd)); ASSERT_EQ(hwLen, sendmsg(fd[0], &msg, 0)); data[0].iov_base = gc(xcalloc(20, 1)); data[0].iov_len = 20; msg.msg_iovlen = 1; ASSERT_EQ(hwLen, recvmsg(fd[1], &msg, 0)); EXPECT_STREQ("HELLOWORLD", msg.msg_iov[0].iov_base); ASSERT_NE(-1, close(fd[0])); ASSERT_NE(-1, close(fd[1])); }