testing_api_cmd_netjail_stop.c File Reference

Command to stop the netjail script. More...

#include "platform.h"
#include "gnunet_util_lib.h"
#include "gnunet_testing_ng_lib.h"
#include "gnunet_testing_plugin.h"
#include "gnunet_testing_barrier.h"
#include "gnunet_testing_netjail_lib.h"

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Go to the source code of this file.

Data Structures
struct	NetJailState
	Struct to hold information for callbacks. More...

Macros
#define	NETJAIL_STOP_SCRIPT   "netjail_stop.sh"

Functions
static void	netjail_stop_cleanup (void *cls)
	The cleanup function of this cmd frees resources the cmd allocated. More...
static void	child_completed_callback (void *cls, enum GNUNET_OS_ProcessStatusType type, long unsigned int exit_code)
	Callback which will be called if the setup script finished. More...
static void	netjail_stop_run (void *cls, struct GNUNET_TESTING_Interpreter *is)
	The run method starts the script which deletes the network namespaces. More...
struct GNUNET_TESTING_Command	GNUNET_TESTING_cmd_netjail_stop (const char *label, char *topology_config, unsigned int *read_file)
	This command executes a shell script to remove the netjail environment. More...

Detailed Description

Command to stop the netjail script.

Author

t3sserakt

Definition in file testing_api_cmd_netjail_stop.c.

Macro Definition Documentation

NETJAIL_STOP_SCRIPT

#define NETJAIL_STOP_SCRIPT   "netjail_stop.sh"

Definition at line 34 of file testing_api_cmd_netjail_stop.c.

Function Documentation

netjail_stop_cleanup()

static void netjail_stop_cleanup ( void *  cls )

static

The cleanup function of this cmd frees resources the cmd allocated.

Definition at line 73 of file testing_api_cmd_netjail_stop.c.

{
  struct NetJailState *ns = cls;
 
  if (NULL != ns->cwh)
  {
    GNUNET_wait_child_cancel (ns->cwh);
    ns->cwh = NULL;
  }
  if (NULL != ns->stop_proc)
  {
    GNUNET_assert (0 ==
                   GNUNET_OS_process_kill (ns->stop_proc,
                                           SIGKILL));
    GNUNET_assert (GNUNET_OK ==
                   GNUNET_OS_process_wait (ns->stop_proc));
    GNUNET_OS_process_destroy (ns->stop_proc);
    ns->stop_proc = NULL;
  }
  GNUNET_free (ns);
}

References GNUNET_assert, GNUNET_free, GNUNET_OK, GNUNET_OS_process_destroy(), GNUNET_OS_process_kill(), GNUNET_OS_process_wait(), GNUNET_wait_child_cancel(), and ns.

Referenced by GNUNET_TESTING_cmd_netjail_stop().

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child_completed_callback()

static void child_completed_callback ( void *  cls, enum GNUNET_OS_ProcessStatusType  type, long unsigned int  exit_code  )

static

Callback which will be called if the setup script finished.

Definition at line 101 of file testing_api_cmd_netjail_stop.c.

{
  struct NetJailState *ns = cls;
 
  ns->cwh = NULL;
  GNUNET_OS_process_destroy (ns->stop_proc);
  ns->stop_proc = NULL;
  if (0 == exit_code)
  {
    GNUNET_TESTING_async_finish (&ns->ac);
  }
  else
  {
    GNUNET_TESTING_async_fail (&ns->ac);
  }
}

References exit_code, GNUNET_OS_process_destroy(), GNUNET_TESTING_async_fail(), GNUNET_TESTING_async_finish(), and ns.

Referenced by netjail_stop_run().

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netjail_stop_run()

static void netjail_stop_run ( void *  cls, struct GNUNET_TESTING_Interpreter *  is  )

static

The run method starts the script which deletes the network namespaces.

Parameters

cls	closure.
is	interpreter state.

Definition at line 128 of file testing_api_cmd_netjail_stop.c.

{
  struct NetJailState *ns = cls;
  char *pid;
  char *data_dir;
  char *script_name;
  char *read_file;
 
 
  data_dir = GNUNET_OS_installation_get_path (GNUNET_OS_IPK_DATADIR);
  GNUNET_asprintf (&script_name, "%s%s", data_dir, NETJAIL_STOP_SCRIPT);
  GNUNET_asprintf (&read_file, "%u", *(ns->read_file));
  unsigned int helper_check = GNUNET_OS_check_helper_binary (
    script_name,
    GNUNET_YES,
    NULL);
 
  if (GNUNET_NO == helper_check)
  {
    GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
                "No SUID for %s!\n",
                script_name);
    GNUNET_TESTING_interpreter_fail (is);
  }
  else if (GNUNET_NO == helper_check)
  {
    GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
                "%s not found!\n",
                script_name);
    GNUNET_TESTING_interpreter_fail (is);
  }
 
  GNUNET_asprintf (&pid,
                   "%u",
                   getpid ());
  {
    char *const script_argv[] = {script_name,
                                 ns->topology_config,
                                 pid,
                                 read_file,
                                 NULL};
    ns->stop_proc = GNUNET_OS_start_process_vap (GNUNET_OS_INHERIT_STD_ERR,
                                                 NULL,
                                                 NULL,
                                                 NULL,
                                                 script_name,
                                                 script_argv);
  }
  ns->cwh = GNUNET_wait_child (ns->stop_proc,
                               &child_completed_callback,
                               ns);
  GNUNET_break (NULL != ns->cwh);
  GNUNET_free (read_file);
  GNUNET_free (pid);
}

References child_completed_callback(), GNUNET_asprintf(), GNUNET_break, GNUNET_ERROR_TYPE_ERROR, GNUNET_free, GNUNET_log, GNUNET_NO, GNUNET_OS_check_helper_binary(), GNUNET_OS_INHERIT_STD_ERR, GNUNET_OS_installation_get_path(), GNUNET_OS_IPK_DATADIR, GNUNET_OS_start_process_vap(), GNUNET_TESTING_interpreter_fail(), GNUNET_wait_child(), GNUNET_YES, is, NETJAIL_STOP_SCRIPT, ns, pid, and read_file().

Referenced by GNUNET_TESTING_cmd_netjail_stop().

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GNUNET_TESTING_cmd_netjail_stop()

struct GNUNET_TESTING_Command GNUNET_TESTING_cmd_netjail_stop	(	const char *	label,
		char *	topology_config,
		unsigned int *	read_file
	)

This command executes a shell script to remove the netjail environment.

Parameters

label	name for command.
topology_config	Configuration file for the test topology.
read_file	Flag indicating if the the name of the topology file is send to the helper, or a string with the topology data.

Returns

command.

Definition at line 187 of file testing_api_cmd_netjail_stop.c.

{
  struct NetJailState *ns;
 
  ns = GNUNET_new (struct NetJailState);
  ns->topology_config = topology_config;
  ns->read_file = read_file;
  return GNUNET_TESTING_command_new (ns, label,
                                     &netjail_stop_run,
                                     &netjail_stop_cleanup,
                                     NULL, &ns->ac);
}

References GNUNET_new, GNUNET_TESTING_command_new(), netjail_stop_cleanup(), netjail_stop_run(), ns, read_file(), and NetJailState::topology_config.

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