1 files changed, 0 insertions, 327 deletions
diff --git a/src/testbed/gnunet_testbed_mpi_spawn.c b/src/testbed/gnunet_testbed_mpi_spawn.c
deleted file mode 100644
index 577ffbeba..000000000
--- a/src/testbed/gnunet_testbed_mpi_spawn.c
+++ /dev/null
@@ -1,327 +0,0 @@
-#include "platform.h"
-#include "gnunet_util_lib.h"
-#include "gnunet_testbed_service.h"
-
-
-/**
- * Generic logging shorthand
- */
-#define LOG(kind, ...)                           \
-  GNUNET_log (kind, __VA_ARGS__)
-
-/**
- * Debug logging shorthand
- */
-#define LOG_DEBUG(...)                          \
-  LOG (GNUNET_ERROR_TYPE_DEBUG, __VA_ARGS__)
-
-/**
- * Global result
- */
-static int ret;
-
-/**
- * The child process we spawn
- */
-static struct GNUNET_OS_Process *child;
-
-/**
- * The arguments including the binary to spawn
- */
-static char **argv2;
-
-/**
- * Pipe used to communicate shutdown via signal.
- */
-static struct GNUNET_DISK_PipeHandle *sigpipe;
-
-/**
- * Filename of the unique file
- */
-static char *fn;
-
-/**
- * Handle to the unique file
- */
-static int fh;
-
-/**
- * The return code of the binary
- */
-static unsigned long child_exit_code;
-
-/**
- * The process status of the child
- */
-static enum GNUNET_OS_ProcessStatusType child_status;
-
-/**
- * Task to kill the child
- */
-static struct GNUNET_SCHEDULER_Task *terminate_task_id;
-
-/**
- * Task to kill the child
- */
-static struct GNUNET_SCHEDULER_Task *child_death_task_id;
-
-/**
- * The shutdown task
- */
-static void
-shutdown_task (void *cls)
-{
-  if (0 != child_exit_code)
-  {
-    LOG (GNUNET_ERROR_TYPE_WARNING, "Child exited with error code: %lu\n",
-         child_exit_code);
-    ret = 128 + (int) child_exit_code;
-  }
-  if (0 != fh)
-  {
-    close (fh);
-  }
-  if ((NULL != fn) && (0 != unlink (fn)))
-  {
-    GNUNET_log_strerror (GNUNET_ERROR_TYPE_ERROR, "open");
-    ret = GNUNET_SYSERR;
-  }
-}
-
-
-static void
-terminate_task (void *cls)
-{
-  static int hard_kill;
-
-  GNUNET_assert (NULL != child);
-  terminate_task_id =
-    GNUNET_SCHEDULER_add_shutdown (&terminate_task, NULL);
-  if (0 != hard_kill)
-  {
-    switch (hard_kill)
-    {
-    case 1:
-    case 2:
-      LOG (GNUNET_ERROR_TYPE_WARNING,
-           "%d more interrupts needed to send SIGKILL to the child\n",
-           3 - hard_kill);
-      hard_kill++;
-      return;
-
-    case 3:
-      GNUNET_break (0 == GNUNET_OS_process_kill (child, SIGKILL));
-      return;
-    }
-  }
-  hard_kill++;
-  GNUNET_break (0 == GNUNET_OS_process_kill (child, GNUNET_TERM_SIG));
-  LOG (GNUNET_ERROR_TYPE_INFO, _ ("Waiting for child to exit.\n"));
-}
-
-
-/**
- * Task triggered whenever we receive a SIGCHLD (child
- * process died).
- *
- * @param cls closure, NULL if we need to self-restart
- */
-static void
-child_death_task (void *cls)
-{
-  const struct GNUNET_DISK_FileHandle *pr;
-  char c[16];
-  const struct GNUNET_SCHEDULER_TaskContext *tc;
-
-
-  pr = GNUNET_DISK_pipe_handle (sigpipe, GNUNET_DISK_PIPE_END_READ);
-  child_death_task_id = NULL;
-  tc = GNUNET_SCHEDULER_get_task_context ();
-  if (0 == (tc->reason & GNUNET_SCHEDULER_REASON_READ_READY))
-  {
-    child_death_task_id =
-      GNUNET_SCHEDULER_add_read_file (GNUNET_TIME_UNIT_FOREVER_REL,
-                                      pr, &child_death_task, NULL);
-    return;
-  }
-  /* consume the signal */
-  GNUNET_break (0 < GNUNET_DISK_file_read (pr, &c, sizeof(c)));
-  LOG_DEBUG ("Child died\n");
-  GNUNET_SCHEDULER_cancel (terminate_task_id);
-  terminate_task_id = NULL;
-  GNUNET_assert (GNUNET_OK == GNUNET_OS_process_status (child, &child_status,
-                                                        &child_exit_code));
-  GNUNET_OS_process_destroy (child);
-  child = NULL;
-  GNUNET_SCHEDULER_add_now (&shutdown_task, NULL);
-}
-
-
-static void
-destroy_hosts (struct GNUNET_TESTBED_Host **hosts, unsigned int nhosts)
-{
-  unsigned int host;
-
-  GNUNET_assert (NULL != hosts);
-  for (host = 0; host < nhosts; host++)
-    if (NULL != hosts[host])
-      GNUNET_TESTBED_host_destroy (hosts[host]);
-  GNUNET_free (hosts);
-  hosts = NULL;
-}
-
-
-/**
- * The main scheduler run task
- *
- * @param cls NULL
- */
-static void
-run (void *cls)
-{
-  struct GNUNET_TESTBED_Host **hosts;
-  const struct GNUNET_CONFIGURATION_Handle *null_cfg;
-  char *tmpdir;
-  char *hostname;
-  size_t hostname_len;
-  unsigned int nhosts;
-
-  null_cfg = GNUNET_CONFIGURATION_create ();
-  nhosts = GNUNET_TESTBED_hosts_load_from_loadleveler (null_cfg, &hosts);
-  if (0 == nhosts)
-  {
-    GNUNET_break (0);
-    ret = GNUNET_SYSERR;
-    return;
-  }
-  hostname_len = GNUNET_OS_get_hostname_max_length ();
-  hostname = GNUNET_malloc (hostname_len);
-  if (0 != gethostname (hostname, hostname_len))
-  {
-    LOG (GNUNET_ERROR_TYPE_ERROR, "Cannot get hostname.  Exiting\n");
-    GNUNET_free (hostname);
-    destroy_hosts (hosts, nhosts);
-    ret = GNUNET_SYSERR;
-    return;
-  }
-  if (NULL == strstr (GNUNET_TESTBED_host_get_hostname (hosts[0]), hostname))
-  {
-    LOG_DEBUG ("Exiting as `%s' is not the lowest host\n", hostname);
-    GNUNET_free (hostname);
-    ret = GNUNET_OK;
-    return;
-  }
-  LOG_DEBUG ("Will be executing `%s' on host `%s'\n", argv2[0], hostname);
-  GNUNET_free (hostname);
-  destroy_hosts (hosts, nhosts);
-  tmpdir = getenv ("TMPDIR");
-  if (NULL == tmpdir)
-    tmpdir = getenv ("TMP");
-  if (NULL == tmpdir)
-    tmpdir = getenv ("TEMP");
-  if (NULL == tmpdir)
-    tmpdir = "/tmp";
-  (void) GNUNET_asprintf (&fn, "%s/gnunet-testbed-spawn.lock", tmpdir);
-  /* Open the unique file; we can create it then we can spawn the child process
-     else we exit */
-  fh = open (fn, O_CREAT | O_EXCL | O_CLOEXEC,
-             S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP);
-  if (-1 == fh)
-  {
-    if (EEXIST == errno)
-    {
-      LOG_DEBUG ("Lock file already created by other process.  Exiting\n");
-      ret = GNUNET_OK;
-      return;
-    }
-    GNUNET_log_strerror (GNUNET_ERROR_TYPE_ERROR, "open");
-    ret = GNUNET_SYSERR;
-    return;
-  }
-  /* Spawn the new process here */
-  LOG (GNUNET_ERROR_TYPE_INFO, _ ("Spawning process `%s'\n"), argv2[0]);
-  child = GNUNET_OS_start_process_vap (GNUNET_NO, GNUNET_OS_INHERIT_STD_ALL,
-                                       NULL,
-                                       NULL, NULL,
-                                       argv2[0], argv2);
-  if (NULL == child)
-  {
-    GNUNET_break (0);
-    ret = GNUNET_SYSERR;
-    GNUNET_SCHEDULER_add_now (&shutdown_task, NULL);
-    return;
-  }
-  ret = GNUNET_OK;
-  terminate_task_id =
-    GNUNET_SCHEDULER_add_shutdown (&terminate_task, NULL);
-  child_death_task_id =
-    GNUNET_SCHEDULER_add_read_file (GNUNET_TIME_UNIT_FOREVER_REL,
-                                    GNUNET_DISK_pipe_handle (sigpipe,
-                                                             GNUNET_DISK_PIPE_END_READ),
-                                    &child_death_task, NULL);
-}
-
-
-/**
- * Signal handler called for SIGCHLD.
- */
-static void
-sighandler_child_death ()
-{
-  static char c;
-  int old_errno = errno;        /* back-up errno */
-
-  GNUNET_break (1 ==
-                GNUNET_DISK_file_write (GNUNET_DISK_pipe_handle
-                                          (sigpipe, GNUNET_DISK_PIPE_END_WRITE),
-                                        &c, sizeof(c)));
-  errno = old_errno;            /* restore errno */
-}
-
-
-/**
- * Execution start point
- */
-int
-main (int argc, char *argv[])
-{
-  struct GNUNET_SIGNAL_Context *shc_chld;
-  unsigned int cnt;
-
-  ret = -1;
-  if (argc < 2)
-  {
-    printf ("Need arguments: gnunet-testbed-mpi-spawn <cmd> <cmd_args>");
-    return 1;
-  }
-  if (GNUNET_OK != GNUNET_log_setup ("gnunet-testbed-spawn", NULL, NULL))
-  {
-    GNUNET_break (0);
-    return 1;
-  }
-  if (NULL == (sigpipe = GNUNET_DISK_pipe (GNUNET_DISK_PF_NONE)))
-  {
-    GNUNET_break (0);
-    ret = GNUNET_SYSERR;
-    return 1;
-  }
-  shc_chld =
-    GNUNET_SIGNAL_handler_install (GNUNET_SIGCHLD, &sighandler_child_death);
-  if (NULL == shc_chld)
-  {
-    LOG (GNUNET_ERROR_TYPE_ERROR, "Cannot install a signal handler\n");
-    return 1;
-  }
-  argv2 = GNUNET_malloc (sizeof(char *) * argc);
-  for (cnt = 1; cnt < argc; cnt++)
-    argv2[cnt - 1] = argv[cnt];
-  GNUNET_SCHEDULER_run (run, NULL);
-  GNUNET_free (argv2);
-  GNUNET_SIGNAL_handler_uninstall (shc_chld);
-  shc_chld = NULL;
-  GNUNET_DISK_pipe_close (sigpipe);
-  GNUNET_free (fn);
-  if (GNUNET_OK != ret)
-    return ret;
-  return 0;
-}