1 /* GLIB - Library of useful routines for C programming
2 * Copyright (C) 2000 Tor Lillqvist
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library; if not, write to the
16 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17 * Boston, MA 02111-1307, USA.
20 /* A test program for the main loop and IO channel code.
21 * Just run it. Optional parameter is number of sub-processes.
24 #undef G_DISABLE_ASSERT
42 #define pipe(fds) _pipe(fds, 4096, _O_BINARY)
50 static GMainLoop *main_loop;
52 #define BUFSIZE 5000 /* Larger than the circular buffer in
53 * giowin32.c on purpose.
72 GIOError error = G_IO_ERROR_NONE;
75 /* g_io_channel_read() doesn't necessarily return all the
76 * data we want at once.
81 error = g_io_channel_read (channel, bufp, left, &nb);
83 if (error != G_IO_ERROR_NONE)
85 g_print ("gio-test: ...from %d: G_IO_ERROR_%s\n", fd,
86 (error == G_IO_ERROR_AGAIN ? "AGAIN" :
87 (error == G_IO_ERROR_INVAL ? "INVAL" :
88 (error == G_IO_ERROR_UNKNOWN ? "UNKNOWN" : "???"))));
89 if (error == G_IO_ERROR_AGAIN)
103 shutdown_source (gpointer data)
105 if (g_source_remove (*(guint *) data))
109 g_main_loop_quit (main_loop);
114 recv_message (GIOChannel *channel,
118 gint fd = g_io_channel_unix_get_fd (channel);
119 gboolean retval = TRUE;
122 g_print ("gio-test: ...from %d:%s%s%s%s\n", fd,
123 (cond & G_IO_ERR) ? " ERR" : "",
124 (cond & G_IO_HUP) ? " HUP" : "",
125 (cond & G_IO_IN) ? " IN" : "",
126 (cond & G_IO_PRI) ? " PRI" : "");
129 if (cond & (G_IO_ERR | G_IO_HUP))
131 shutdown_source (data);
143 error = read_all (fd, channel, (gchar *) &seq, sizeof (seq), &nb);
144 if (error == G_IO_ERROR_NONE)
149 g_print ("gio-test: ...from %d: EOF\n", fd);
151 shutdown_source (data);
155 g_assert (nb == sizeof (nbytes));
157 for (i = 0; i < nkiddies; i++)
158 if (seqtab[i].fd == fd)
160 if (seq != seqtab[i].seq)
162 g_print ("gio-test: ...from %d: invalid sequence number %d, expected %d\n",
163 fd, seq, seqtab[i].seq);
164 g_assert_not_reached ();
170 error = read_all (fd, channel, (gchar *) &nbytes, sizeof (nbytes), &nb);
173 if (error != G_IO_ERROR_NONE)
179 g_print ("gio-test: ...from %d: EOF\n", fd);
181 shutdown_source (data);
185 g_assert (nb == sizeof (nbytes));
187 if (nbytes >= BUFSIZE)
189 g_print ("gio-test: ...from %d: nbytes = %d (%#x)!\n", fd, nbytes, nbytes);
190 g_assert_not_reached ();
192 g_assert (nbytes >= 0 && nbytes < BUFSIZE);
194 g_print ("gio-test: ...from %d: %d bytes\n", fd, nbytes);
198 error = read_all (fd, channel, buf, nbytes, &nb);
200 if (error != G_IO_ERROR_NONE)
206 g_print ("gio-test: ...from %d: EOF\n", fd);
208 shutdown_source (data);
212 for (j = 0; j < nbytes; j++)
213 if (buf[j] != ' ' + ((nbytes + j) % 95))
215 g_print ("gio-test: ...from %d: buf[%d] == '%c', should be '%c'\n",
216 fd, j, buf[j], 'a' + ((nbytes + j) % 32));
217 g_assert_not_reached ();
220 g_print ("gio-test: ...from %d: OK\n", fd);
230 recv_windows_message (GIOChannel *channel,
240 error = g_io_channel_read (channel, &msg, sizeof (MSG), &nb);
242 if (error != G_IO_ERROR_NONE)
244 g_print ("gio-test: ...reading Windows message: G_IO_ERROR_%s\n",
245 (error == G_IO_ERROR_AGAIN ? "AGAIN" :
246 (error == G_IO_ERROR_INVAL ? "INVAL" :
247 (error == G_IO_ERROR_UNKNOWN ? "UNKNOWN" : "???"))));
248 if (error == G_IO_ERROR_AGAIN)
254 g_print ("gio-test: ...Windows message for %#x: %d,%d,%d\n",
255 msg.hwnd, msg.message, msg.wParam, msg.lParam);
261 window_procedure (HWND hwnd,
266 g_print ("gio-test: window_procedure for %#x: %d,%d,%d\n",
267 hwnd, message, wparam, lparam);
268 return DefWindowProc (hwnd, message, wparam, lparam);
281 GIOChannel *my_read_channel;
292 GIOChannel *windows_messages_channel;
295 nkiddies = (argc == 1 ? 1 : atoi(argv[1]));
296 seqtab = g_malloc (nkiddies * 2 * sizeof (int));
300 wcl.lpfnWndProc = window_procedure;
303 wcl.hInstance = GetModuleHandle (NULL);
306 wcl.hbrBackground = NULL;
307 wcl.lpszMenuName = NULL;
308 wcl.lpszClassName = "gio-test";
310 klass = RegisterClass (&wcl);
314 g_print ("gio-test: RegisterClass failed\n");
318 hwnd = CreateWindow (MAKEINTATOM(klass), "gio-test", 0, 0, 0, 10, 10,
319 NULL, NULL, wcl.hInstance, NULL);
322 g_print ("gio-test: CreateWindow failed\n");
326 windows_messages_channel = g_io_channel_win32_new_messages ((guint)hwnd);
327 g_io_add_watch (windows_messages_channel, G_IO_IN, recv_windows_message, 0);
330 for (i = 0; i < nkiddies; i++)
332 int pipe_to_sub[2], pipe_from_sub[2];
334 if (pipe (pipe_to_sub) == -1 ||
335 pipe (pipe_from_sub) == -1)
336 perror ("pipe"), exit (1);
338 seqtab[i].fd = pipe_from_sub[0];
341 my_read_channel = g_io_channel_unix_new (pipe_from_sub[0]);
343 id = g_new (guint, 1);
345 g_io_add_watch (my_read_channel,
346 G_IO_IN | G_IO_PRI | G_IO_ERR | G_IO_HUP,
353 cmdline = g_strdup_printf ("%d:%d:%d",
357 _spawnl (_P_NOWAIT, argv[0], argv[0], "--child", cmdline, NULL);
359 cmdline = g_strdup_printf ("%s --child %d:%d &", argv[0],
360 pipe_to_sub[0], pipe_from_sub[1]);
364 close (pipe_to_sub[0]);
365 close (pipe_from_sub [1]);
368 g_get_current_time (&start);
369 g_io_channel_win32_make_pollfd (my_read_channel, G_IO_IN, &pollfd);
370 pollresult = g_io_channel_win32_poll (&pollfd, 1, 100);
371 g_get_current_time (&end);
372 if (end.tv_usec < start.tv_usec)
373 end.tv_sec--, end.tv_usec += 1000000;
374 g_print ("gio-test: had to wait %ld.%03ld s, result:%d\n",
375 end.tv_sec - start.tv_sec,
376 (end.tv_usec - start.tv_usec) / 1000,
381 main_loop = g_main_loop_new (NULL, FALSE);
383 g_main_loop_run (main_loop);
399 g_get_current_time (&tv);
401 sscanf (argv[2], "%d:%d%n", &readfd, &writefd, &n);
404 sscanf (argv[2] + n, ":%d", &hwnd);
407 srand (tv.tv_sec ^ (tv.tv_usec / 1000) ^ readfd ^ (writefd << 4));
409 for (i = 0; i < 20 + rand() % 20; i++)
411 g_usleep (100 + (rand() % 10) * 5000);
412 buflen = rand() % BUFSIZE;
413 for (j = 0; j < buflen; j++)
414 buf[j] = ' ' + ((buflen + j) % 95);
416 g_print ("gio-test: child writing %d+%d bytes to %d\n",
417 (int)(sizeof(i) + sizeof(buflen)), buflen, writefd);
419 write (writefd, &i, sizeof (i));
420 write (writefd, &buflen, sizeof (buflen));
421 write (writefd, buf, buflen);
424 if (rand() % 100 < 5)
426 int msg = WM_USER + (rand() % 100);
427 WPARAM wparam = rand ();
428 LPARAM lparam = rand ();
429 g_print ("gio-test: child posting message %d,%d,%d to %#x\n",
430 msg, wparam, lparam, hwnd);
431 PostMessage (hwnd, msg, wparam, lparam);
436 g_print ("gio-test: child exiting, closing %d\n", writefd);