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Diffstat (limited to 'src/util/test_os_start_process.c')
| -rw-r--r-- | src/util/test_os_start_process.c | 194 |
1 files changed, 194 insertions, 0 deletions
diff --git a/src/util/test_os_start_process.c b/src/util/test_os_start_process.c new file mode 100644 index 0000000..54638c1 --- /dev/null +++ b/src/util/test_os_start_process.c @@ -0,0 +1,194 @@ +/* + This file is part of GNUnet. + (C) 2009 Christian Grothoff (and other contributing authors) + + GNUnet is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published + by the Free Software Foundation; either version 3, or (at your + option) any later version. + + GNUnet is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with GNUnet; see the file COPYING. If not, write to the + Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. +*/ +/** + * @file util/test_os_start_process.c + * @brief testcase for os start process code + * + * This testcase simply calls the os start process code + * giving a file descriptor to write stdout to. If the + * correct data "HELLO" is read then all is well. + */ +#include "platform.h" +#include "gnunet_common.h" +#include "gnunet_getopt_lib.h" +#include "gnunet_os_lib.h" +#include "gnunet_program_lib.h" +#include "gnunet_scheduler_lib.h" +#include "disk.h" + +#define VERBOSE GNUNET_NO + +static char *test_phrase = "HELLO WORLD"; +static int ok; + +static struct GNUNET_OS_Process *proc; + +/* Pipe to write to started processes stdin (on write end) */ +static struct GNUNET_DISK_PipeHandle *hello_pipe_stdin; + +/* Pipe to read from started processes stdout (on read end) */ +static struct GNUNET_DISK_PipeHandle *hello_pipe_stdout; + +static GNUNET_SCHEDULER_TaskIdentifier die_task; + +static void +end_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc) +{ + + if (0 != GNUNET_OS_process_kill (proc, SIGTERM)) + { + GNUNET_log_strerror (GNUNET_ERROR_TYPE_WARNING, "kill"); + } + GNUNET_OS_process_wait (proc); + GNUNET_OS_process_close (proc); + proc = NULL; + GNUNET_DISK_pipe_close (hello_pipe_stdout); + GNUNET_DISK_pipe_close (hello_pipe_stdin); +} + +static void +read_call (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc) +{ + struct GNUNET_DISK_FileHandle *stdout_read_handle = cls; + char buf[16]; + + memset (&buf, 0, sizeof (buf)); + int bytes; + + bytes = GNUNET_DISK_file_read (stdout_read_handle, &buf, sizeof (buf)); + +#if VERBOSE + FPRINTF (stderr, "bytes is %d\n", bytes); +#endif + + if (bytes < 1) + { + GNUNET_break (0); + ok = 1; + GNUNET_SCHEDULER_cancel (die_task); + GNUNET_SCHEDULER_add_now (&end_task, NULL); + return; + } + + ok = strncmp (&buf[0], test_phrase, strlen (test_phrase)); +#if VERBOSE + FPRINTF (stderr, "read %s\n", &buf[0]); +#endif + if (ok == 0) + { + GNUNET_SCHEDULER_cancel (die_task); + GNUNET_SCHEDULER_add_now (&end_task, NULL); + return; + } + + GNUNET_SCHEDULER_add_read_file (GNUNET_TIME_UNIT_FOREVER_REL, + stdout_read_handle, &read_call, + stdout_read_handle); + +} + + +static void +task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc) +{ + char *fn; + const struct GNUNET_DISK_FileHandle *stdout_read_handle; + const struct GNUNET_DISK_FileHandle *wh; + + GNUNET_asprintf (&fn, "cat"); + + hello_pipe_stdin = GNUNET_DISK_pipe (GNUNET_YES, GNUNET_YES, GNUNET_YES, GNUNET_NO); + hello_pipe_stdout = GNUNET_DISK_pipe (GNUNET_YES, GNUNET_YES, GNUNET_NO, GNUNET_YES); + + if ((hello_pipe_stdout == NULL) || (hello_pipe_stdin == NULL)) + { + GNUNET_break (0); + ok = 1; + GNUNET_free (fn); + return; + } + + proc = + GNUNET_OS_start_process (GNUNET_NO, hello_pipe_stdin, hello_pipe_stdout, fn, + "test_gnunet_echo_hello", "-", NULL); + GNUNET_free (fn); + + /* Close the write end of the read pipe */ + GNUNET_DISK_pipe_close_end (hello_pipe_stdout, GNUNET_DISK_PIPE_END_WRITE); + /* Close the read end of the write pipe */ + GNUNET_DISK_pipe_close_end (hello_pipe_stdin, GNUNET_DISK_PIPE_END_READ); + + wh = GNUNET_DISK_pipe_handle (hello_pipe_stdin, GNUNET_DISK_PIPE_END_WRITE); + + /* Write the test_phrase to the cat process */ + if (GNUNET_DISK_file_write (wh, test_phrase, strlen (test_phrase) + 1) != + strlen (test_phrase) + 1) + { + GNUNET_break (0); + ok = 1; + return; + } + + /* Close the write end to end the cycle! */ + GNUNET_DISK_pipe_close_end (hello_pipe_stdin, GNUNET_DISK_PIPE_END_WRITE); + + stdout_read_handle = + GNUNET_DISK_pipe_handle (hello_pipe_stdout, GNUNET_DISK_PIPE_END_READ); + + die_task = + GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_multiply + (GNUNET_TIME_UNIT_MINUTES, 1), &end_task, + NULL); + + GNUNET_SCHEDULER_add_read_file (GNUNET_TIME_UNIT_FOREVER_REL, + stdout_read_handle, &read_call, + (void *) stdout_read_handle); + +} + +/** + * Main method, starts scheduler with task1, + * checks that "ok" is correct at the end. + */ +static int +check () +{ + ok = 1; + GNUNET_SCHEDULER_run (&task, &ok); + return ok; +} + + +int +main (int argc, char *argv[]) +{ + int ret; + + GNUNET_log_setup ("test-os-start-process", +#if VERBOSE + "DEBUG", +#else + "WARNING", +#endif + NULL); + ret = check (); + + return ret; +} |