Basic relay link connection

libs/evt-tls/sample/libuv-tls/libuv/test/test-tty.c

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+/* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+#include "uv.h"
+#include "task.h"
+
+#ifdef _WIN32
+# include <io.h>
+# include <windows.h>
+#else /*  Unix */
+# include <fcntl.h>
+# include <unistd.h>
+#endif
+
+#include <string.h>
+#include <errno.h>
+
+
+TEST_IMPL(tty) {
+  int r, width, height;
+  int ttyin_fd, ttyout_fd;
+  uv_tty_t tty_in, tty_out;
+  uv_loop_t* loop = uv_default_loop();
+
+  /* Make sure we have an FD that refers to a tty */
+#ifdef _WIN32
+  HANDLE handle;
+  handle = CreateFileA("conin$",
+                       GENERIC_READ | GENERIC_WRITE,
+                       FILE_SHARE_READ | FILE_SHARE_WRITE,
+                       NULL,
+                       OPEN_EXISTING,
+                       FILE_ATTRIBUTE_NORMAL,
+                       NULL);
+  ASSERT(handle != INVALID_HANDLE_VALUE);
+  ttyin_fd = _open_osfhandle((intptr_t) handle, 0);
+
+  handle = CreateFileA("conout$",
+                       GENERIC_READ | GENERIC_WRITE,
+                       FILE_SHARE_READ | FILE_SHARE_WRITE,
+                       NULL,
+                       OPEN_EXISTING,
+                       FILE_ATTRIBUTE_NORMAL,
+                       NULL);
+  ASSERT(handle != INVALID_HANDLE_VALUE);
+  ttyout_fd = _open_osfhandle((intptr_t) handle, 0);
+
+#else /* unix */
+  ttyin_fd = open("/dev/tty", O_RDONLY, 0);
+  if (ttyin_fd < 0) {
+    fprintf(stderr, "Cannot open /dev/tty as read-only: %s\n", strerror(errno));
+    fflush(stderr);
+    return TEST_SKIP;
+  }
+
+  ttyout_fd = open("/dev/tty", O_WRONLY, 0);
+  if (ttyout_fd < 0) {
+    fprintf(stderr, "Cannot open /dev/tty as write-only: %s\n", strerror(errno));
+    fflush(stderr);
+    return TEST_SKIP;
+  }
+#endif
+
+  ASSERT(ttyin_fd >= 0);
+  ASSERT(ttyout_fd >= 0);
+
+  ASSERT(UV_UNKNOWN_HANDLE == uv_guess_handle(-1));
+
+  ASSERT(UV_TTY == uv_guess_handle(ttyin_fd));
+  ASSERT(UV_TTY == uv_guess_handle(ttyout_fd));
+
+  r = uv_tty_init(uv_default_loop(), &tty_in, ttyin_fd, 1);  /* Readable. */
+  ASSERT(r == 0);
+
+  r = uv_tty_init(uv_default_loop(), &tty_out, ttyout_fd, 0);  /* Writable. */
+  ASSERT(r == 0);
+
+  r = uv_tty_get_winsize(&tty_out, &width, &height);
+  ASSERT(r == 0);
+
+  printf("width=%d height=%d\n", width, height);
+
+  if (width == 0 && height == 0) {
+   /* Some environments such as containers or Jenkins behave like this
+    * sometimes */
+    MAKE_VALGRIND_HAPPY();
+    return TEST_SKIP;
+  }
+
+  /*
+   * Is it a safe assumption that most people have terminals larger than
+   * 10x10?
+   */
+  ASSERT(width > 10);
+  ASSERT(height > 10);
+
+  /* Turn on raw mode. */
+  r = uv_tty_set_mode(&tty_in, UV_TTY_MODE_RAW);
+  ASSERT(r == 0);
+
+  /* Turn off raw mode. */
+  r = uv_tty_set_mode(&tty_in, UV_TTY_MODE_NORMAL);
+  ASSERT(r == 0);
+
+  /* Calling uv_tty_reset_mode() repeatedly should not clobber errno. */
+  errno = 0;
+  ASSERT(0 == uv_tty_reset_mode());
+  ASSERT(0 == uv_tty_reset_mode());
+  ASSERT(0 == uv_tty_reset_mode());
+  ASSERT(0 == errno);
+
+  /* TODO check the actual mode! */
+
+  uv_close((uv_handle_t*) &tty_in, NULL);
+  uv_close((uv_handle_t*) &tty_out, NULL);
+
+  uv_run(loop, UV_RUN_DEFAULT);
+
+  MAKE_VALGRIND_HAPPY();
+  return 0;
+}
+
+
+TEST_IMPL(tty_file) {
+#ifndef _WIN32
+  uv_loop_t loop;
+  uv_tty_t tty;
+  int fd;
+
+  ASSERT(0 == uv_loop_init(&loop));
+
+  fd = open("test/fixtures/empty_file", O_RDONLY);
+  if (fd != -1) {
+    ASSERT(UV_EINVAL == uv_tty_init(&loop, &tty, fd, 1));
+    ASSERT(0 == close(fd));
+  }
+
+  fd = open("/dev/random", O_RDONLY);
+  if (fd != -1) {
+    ASSERT(UV_EINVAL == uv_tty_init(&loop, &tty, fd, 1));
+    ASSERT(0 == close(fd));
+  }
+
+  fd = open("/dev/zero", O_RDONLY);
+  if (fd != -1) {
+    ASSERT(UV_EINVAL == uv_tty_init(&loop, &tty, fd, 1));
+    ASSERT(0 == close(fd));
+  }
+
+  fd = open("/dev/tty", O_RDONLY);
+  if (fd != -1) {
+    ASSERT(0 == uv_tty_init(&loop, &tty, fd, 1));
+    ASSERT(0 == close(fd));
+    uv_close((uv_handle_t*) &tty, NULL);
+  }
+
+  ASSERT(0 == uv_run(&loop, UV_RUN_DEFAULT));
+  ASSERT(0 == uv_loop_close(&loop));
+
+  MAKE_VALGRIND_HAPPY();
+#endif
+  return 0;
+}