GNUnet  0.19.4
gnunet-cmds-helper.c File Reference
#include "platform.h"
#include "gnunet_util_lib.h"
#include "gnunet_testing_lib.h"
#include "gnunet_testing_ng_lib.h"
#include "gnunet_testing_plugin.h"
#include "gnunet_testing_netjail_lib.h"
#include "testing.h"
#include "testing_cmds.h"
#include "gnunet_testing_barrier.h"
#include <zlib.h>
Include dependency graph for gnunet-cmds-helper.c:

Go to the source code of this file.

Data Structures

struct  NodeIdentifier
 Struct with information about a specific node and the whole network namespace setup. More...
struct  WriteContext
 Context for a single write on a chunk of memory. More...


#define LOG(kind, ...)   GNUNET_log (kind, __VA_ARGS__)
 Generic logging shortcut. More...
 Debug logging shorthand. More...
#define NODE_BASE_IP   "192.168.15."
#define KNOWN_BASE_IP   "92.68.151."
#define ROUTER_BASE_IP   "92.68.150."


static void do_shutdown (void *cls)
 Task to shut down cleanly. More...
static void write_task (void *cls)
 Task to write to the standard out. More...
static void write_message (struct GNUNET_MessageHeader *message, size_t msg_length)
 Callback to write a message to the master loop. More...
static void delay_shutdown_cb ()
struct GNUNET_MessageHeaderGNUNET_TESTING_send_local_test_finished_msg ()
static void finished_cb (enum GNUNET_GenericReturnValue rv)
static int tokenizer_cb (void *cls, const struct GNUNET_MessageHeader *message)
 Functions with this signature are called whenever a complete message is received by the tokenizer. More...
static void read_task (void *cls)
 Task to read from stdin. More...
static void run (void *cls, char *const *args, const char *cfgfile, const struct GNUNET_CONFIGURATION_Handle *cfg)
 Main function that will be run. More...
static void sighandler_child_death ()
 Signal handler called for SIGCHLD. More...
int main (int argc, char **argv)
 Main function. More...


struct GNUNET_SCHEDULER_Taskfinished_task
struct GNUNET_TESTING_Interpreteris
struct TestcasePluginplugin
 The process handle to the testbed service. More...
struct GNUNET_MessageStreamTokenizertokenizer
 Our message stream tokenizer. More...
static struct GNUNET_DISK_FileHandlestdin_fd
 Disk handle from stdin. More...
static struct GNUNET_DISK_FileHandlestdout_fd
 Disk handle for stdout. More...
static struct GNUNET_DISK_PipeHandlesigpipe
 Pipe used to communicate shutdown via signal. More...
static struct GNUNET_SCHEDULER_Taskread_task_id
 Task identifier for the read task. More...
static struct GNUNET_SCHEDULER_Taskwrite_task_id
 Task identifier for the write task. More...
static int done_reading
 Are we done reading messages from stdin? More...
static int status
 Result to return in case we fail. More...

Macro Definition Documentation


#define LOG (   kind,
)    GNUNET_log (kind, __VA_ARGS__)

Generic logging shortcut.

Definition at line 55 of file gnunet-cmds-helper.c.



Debug logging shorthand.

Definition at line 60 of file gnunet-cmds-helper.c.


#define NODE_BASE_IP   "192.168.15."

Definition at line 62 of file gnunet-cmds-helper.c.


#define KNOWN_BASE_IP   "92.68.151."

Definition at line 64 of file gnunet-cmds-helper.c.


#define ROUTER_BASE_IP   "92.68.150."

Definition at line 66 of file gnunet-cmds-helper.c.

Function Documentation

◆ do_shutdown()

static void do_shutdown ( void *  cls)

Task to shut down cleanly.


Definition at line 203 of file gnunet-cmds-helper.c.

204 {
206  LOG_DEBUG ("Shutting down.\n");
208  if (NULL != read_task_id)
209  {
211  read_task_id = NULL;
212  }
213  if (NULL != write_task_id)
214  {
215  struct WriteContext *wc;
218  write_task_id = NULL;
219  GNUNET_free (wc->data);
220  GNUNET_free (wc);
221  }
222  if (NULL != stdin_fd)
224  if (NULL != stdout_fd)
227  tokenizer = NULL;
229  NULL);
231 }
struct GNUNET_MessageStreamTokenizer * tokenizer
Our message stream tokenizer.
struct TestcasePlugin * plugin
The process handle to the testbed service.
static struct GNUNET_DISK_FileHandle * stdout_fd
Disk handle for stdout.
#define LOG_DEBUG(...)
Debug logging shorthand.
static struct GNUNET_SCHEDULER_Task * read_task_id
Task identifier for the read task.
static struct GNUNET_SCHEDULER_Task * write_task_id
Task identifier for the write task.
static struct GNUNET_DISK_FileHandle * stdin_fd
Disk handle from stdin.
enum GNUNET_GenericReturnValue GNUNET_DISK_file_close(struct GNUNET_DISK_FileHandle *h)
Close an open file.
Definition: disk.c:1308
#define GNUNET_free(ptr)
Wrapper around free.
void * GNUNET_PLUGIN_unload(const char *library_name, void *arg)
Unload plugin (runs the "done" callback and returns whatever "done" returned).
Definition: plugin.c:242
void * GNUNET_SCHEDULER_cancel(struct GNUNET_SCHEDULER_Task *task)
Cancel the task with the specified identifier.
Definition: scheduler.c:975
void GNUNET_MST_destroy(struct GNUNET_MessageStreamTokenizer *mst)
Destroys a tokenizer.
Definition: mst.c:404
char * library_name
Name of the shared library.
Definition: testing.h:98
Context for a single write on a chunk of memory.
void * data
The data to write.

References WriteContext::data, GNUNET_DISK_file_close(), GNUNET_free, GNUNET_MST_destroy(), GNUNET_PLUGIN_unload(), GNUNET_SCHEDULER_cancel(), TestcasePlugin::library_name, LOG_DEBUG, plugin, read_task_id, stdin_fd, stdout_fd, tokenizer, and write_task_id.

Referenced by run().

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◆ write_task()

static void write_task ( void *  cls)

Task to write to the standard out.

clsthe WriteContext

Definition at line 240 of file gnunet-cmds-helper.c.

241 {
242  struct WriteContext *wc = cls;
243  ssize_t bytes_wrote;
245  GNUNET_assert (NULL != wc);
246  write_task_id = NULL;
247  bytes_wrote = GNUNET_DISK_file_write (stdout_fd,
248  wc->data + wc->pos,
249  wc->length - wc->pos);
251  "message send to master loop\n");
252  if (GNUNET_SYSERR == bytes_wrote)
253  {
255  "Cannot reply back successful initialization\n");
256  GNUNET_free (wc->data);
257  GNUNET_free (wc);
258  return;
259  }
260  wc->pos += bytes_wrote;
261  if (wc->pos == wc->length)
262  {
263  GNUNET_free (wc->data);
264  GNUNET_free (wc);
265  return;
266  }
268  stdout_fd,
269  &write_task,
270  wc);
271 }
static void write_task(void *cls)
Task to write to the standard out.
#define LOG(kind,...)
Generic logging shortcut.
ssize_t GNUNET_DISK_file_write(const struct GNUNET_DISK_FileHandle *h, const void *buffer, size_t n)
Write a buffer to a file.
Definition: disk.c:686
#define GNUNET_log(kind,...)
#define GNUNET_assert(cond)
Use this for fatal errors that cannot be handled.
struct GNUNET_SCHEDULER_Task * GNUNET_SCHEDULER_add_write_file(struct GNUNET_TIME_Relative delay, const struct GNUNET_DISK_FileHandle *wfd, GNUNET_SCHEDULER_TaskCallback task, void *task_cls)
Schedule a new task to be run with a specified delay or when the specified file descriptor is ready f...
Definition: scheduler.c:1689
Constant used to specify "forever".
size_t pos
The current position from where the write operation should begin.
size_t length
The length of the data.

References WriteContext::data, GNUNET_assert, GNUNET_DISK_file_write(), GNUNET_ERROR_TYPE_ERROR, GNUNET_ERROR_TYPE_WARNING, GNUNET_free, GNUNET_log, GNUNET_SCHEDULER_add_write_file(), GNUNET_SYSERR, GNUNET_TIME_UNIT_FOREVER_REL, WriteContext::length, LOG, WriteContext::pos, stdout_fd, and write_task_id.

Referenced by write_message().

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◆ write_message()

static void write_message ( struct GNUNET_MessageHeader message,
size_t  msg_length 

Callback to write a message to the master loop.

Definition at line 279 of file gnunet-cmds-helper.c.

280 {
281  struct WriteContext *wc;
284  "write message to master loop\n");
285  wc = GNUNET_new (struct WriteContext);
286  wc->length = msg_length;
287  wc->data = message;
290  stdout_fd,
291  &write_task,
292  wc);
293 }
#define GNUNET_new(type)
Allocate a struct or union of the given type.

References WriteContext::data, GNUNET_ERROR_TYPE_ERROR, GNUNET_log, GNUNET_new, GNUNET_SCHEDULER_add_write_file(), GNUNET_TIME_UNIT_FOREVER_REL, WriteContext::length, stdout_fd, write_task(), and write_task_id.

Referenced by finished_cb(), and tokenizer_cb().

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◆ delay_shutdown_cb()

static void delay_shutdown_cb ( )

Definition at line 296 of file gnunet-cmds-helper.c.

297 {
299  "doing shutdown after delay\n");
301 }
void GNUNET_SCHEDULER_shutdown(void)
Request the shutdown of a scheduler.
Definition: scheduler.c:562


Referenced by finished_cb().

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◆ GNUNET_TESTING_send_local_test_finished_msg()

struct GNUNET_MessageHeader* GNUNET_TESTING_send_local_test_finished_msg ( )

Definition at line 305 of file gnunet-cmds-helper.c.

306 {
308  size_t msg_length;
310  msg_length = sizeof(struct GNUNET_TESTING_CommandLocalFinished);
313  reply->header.size = htons ((uint16_t) msg_length);
315  return (struct GNUNET_MessageHeader *) reply;
316 }
Header for all communications.
uint16_t type
The type of the message (GNUNET_MESSAGE_TYPE_XXXX), in big-endian format.
uint16_t size
The length of the struct (in bytes, including the length field itself), in big-endian format.
struct GNUNET_MessageHeader header
Definition: testing_cmds.h:86

References GNUNET_MESSAGE_TYPE_CMDS_HELPER_LOCAL_FINISHED, GNUNET_new, GNUNET_TESTING_CommandLocalFinished::header, GNUNET_MessageHeader::size, and GNUNET_MessageHeader::type.

◆ finished_cb()

static void finished_cb ( enum GNUNET_GenericReturnValue  rv)

Definition at line 320 of file gnunet-cmds-helper.c.

321 {
323  size_t msg_length;
325  msg_length = sizeof(struct GNUNET_TESTING_CommandLocalFinished);
328  reply->header.size = htons ((uint16_t) msg_length);
329  reply->rv = rv;
332  "message prepared\n");
333  write_message ((struct GNUNET_MessageHeader *) reply, msg_length);
335  "message send\n");
338  "delaying shutdown\n");
341  NULL);
342 }
static void write_message(struct GNUNET_MessageHeader *message, size_t msg_length)
Callback to write a message to the master loop.
static void delay_shutdown_cb()
struct GNUNET_SCHEDULER_Task * GNUNET_SCHEDULER_add_delayed(struct GNUNET_TIME_Relative delay, GNUNET_SCHEDULER_TaskCallback task, void *task_cls)
Schedule a new task to be run with a specified delay.
Definition: scheduler.c:1272
One second.
enum GNUNET_GenericReturnValue rv
The exit status local test return with.
Definition: testing_cmds.h:91

References delay_shutdown_cb(), GNUNET_ERROR_TYPE_DEBUG, GNUNET_log, GNUNET_MESSAGE_TYPE_CMDS_HELPER_LOCAL_FINISHED, GNUNET_new, GNUNET_SCHEDULER_add_delayed(), GNUNET_TIME_UNIT_SECONDS, GNUNET_TESTING_CommandLocalFinished::header, GNUNET_TESTING_CommandLocalFinished::rv, GNUNET_MessageHeader::size, GNUNET_MessageHeader::type, and write_message().

Referenced by GDS_u_send(), gnunet_send(), ip_send(), and tokenizer_cb().

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◆ tokenizer_cb()

static int tokenizer_cb ( void *  cls,
const struct GNUNET_MessageHeader message 

Functions with this signature are called whenever a complete message is received by the tokenizer.

Do not call #GNUNET_mst_destroy() in this callback

clsidentification of the client
messagethe actual message
GNUNET_OK on success, GNUNET_NO to stop further processing (no error) GNUNET_SYSERR to stop further processing with error

Definition at line 358 of file gnunet-cmds-helper.c.

359 {
361  struct NodeIdentifier *ni = cls;
363  struct GNUNET_TESTING_CommandHelperReply *reply;
364  char *binary;
365  char *plugin_name;
366  size_t plugin_name_size;
367  uint16_t msize;
368  uint16_t type;
369  size_t msg_length;
370  char *router_ip;
371  char *node_ip;
372  unsigned int namespace_n;
374  type = ntohs (message->type);
375  msize = ntohs (message->size);
377  "Received message type %u and size %u\n",
378  type,
379  msize);
380  if (GNUNET_MESSAGE_TYPE_CMDS_HELPER_INIT == ntohs (message->type))
381  {
382  msg = (const struct GNUNET_TESTING_CommandHelperInit *) message;
383  plugin_name_size = ntohs (msg->plugin_name_size);
384  if ((sizeof(struct GNUNET_TESTING_CommandHelperInit) + plugin_name_size) > msize)
385  {
386  GNUNET_break (0);
388  "Received unexpected message -- exiting\n");
389  goto error;
390  }
393  ((char *) &msg[1]),
394  plugin_name_size + 1);
396  binary = GNUNET_OS_get_libexec_binary_path ("gnunet-cmd");
398  plugin = GNUNET_new (struct TestcasePlugin);
400  NULL);
403  plugin->global_n = ni->global_n;
404  plugin->local_m = ni->local_m;
405  plugin->n = ni->n;
406  plugin->m = ni->m;
408  router_ip = GNUNET_malloc (strlen (ROUTER_BASE_IP) + strlen (plugin->n)
409  + 1);
410  strcpy (router_ip, ROUTER_BASE_IP);
411  strcat (router_ip, plugin->n);
413  sscanf (plugin->n, "%u", &namespace_n);
415  if (0 == namespace_n)
416  {
418  "known node n: %s\n",
419  plugin->n);
420  node_ip = GNUNET_malloc (strlen (KNOWN_BASE_IP) + strlen (plugin->m) + 1);
421  strcat (node_ip, KNOWN_BASE_IP);
422  }
423  else
424  {
426  "subnet node n: %s\n",
427  plugin->n);
428  node_ip = GNUNET_malloc (strlen (NODE_BASE_IP) + strlen (plugin->m) + 1);
429  strcat (node_ip, NODE_BASE_IP);
430  }
431  strcat (node_ip, plugin->m);
433  is = plugin->api->start_testcase (&write_message, router_ip, node_ip, plugin->m,
436  ni->read_file, &finished_cb);
437  GNUNET_free (node_ip);
438  GNUNET_free (binary);
439  GNUNET_free (router_ip);
442  msg_length = sizeof(struct GNUNET_TESTING_CommandHelperReply);
445  reply->header.size = htons ((uint16_t) msg_length);
447  write_message ((struct GNUNET_MessageHeader *) reply, msg_length);
449  return GNUNET_OK;
450  }
452  message->type))
453  {
454  const char *barrier_name;
455  struct CommandBarrierCrossable *adm = (struct CommandBarrierCrossable *) message;
457  barrier_name = (const char *) &adm[1];
459  "cross barrier %s\n",
460  barrier_name);
462  return GNUNET_OK;
463  }
465  message->type))
466  {
468  "all peers started\n");
470  return GNUNET_OK;
471  }
473  message->type))
474  {
476  "all local tests prepared\n");
478  return GNUNET_OK;
479  }
480  else
481  {
482  LOG (GNUNET_ERROR_TYPE_WARNING, "Received unexpected message -- exiting\n");
483  goto error;
484  }
487  error:
490  "tokenizer shutting down!\n");
492  return GNUNET_SYSERR;
493 }
struct GNUNET_MessageHeader * msg
Definition: 005.c:2
static void finished_cb(enum GNUNET_GenericReturnValue rv)
static int status
Result to return in case we fail.
#define NODE_BASE_IP
struct GNUNET_TESTING_Interpreter * is
static char * plugin_name
Name of our plugin.
#define GNUNET_break(cond)
Use this for internal assertion violations that are not fatal (can be handled) but should not occur.
#define GNUNET_strdup(a)
Wrapper around GNUNET_xstrdup_.
#define GNUNET_malloc(size)
Wrapper around malloc.
char * GNUNET_OS_get_libexec_binary_path(const char *progname)
Given the name of a gnunet-helper, gnunet-service or gnunet-daemon binary, try to prefix it with the ...
void * GNUNET_PLUGIN_load(const char *library_name, void *arg)
Setup plugin (runs the "init" callback and returns whatever "init" returned).
Definition: plugin.c:198
The reply message from gnunet-cmds-helper.
The initialization message towards gnunet-cmds-helper.
size_t GNUNET_strlcpy(char *dst, const char *src, size_t n)
Like strlcpy but portable.
Definition: strings.c:138
Message send to a child loop to inform the child loop about a barrier being advanced.
Definition: testing.h:35
Initialization message for gnunet-cmds-testbed to start cmd binary.
Definition: testing_cmds.h:39
Reply message from cmds helper process.
Definition: testing_cmds.h:58
struct GNUNET_MessageHeader header
Definition: testing_cmds.h:62
GNUNET_TESTING_PLUGIN_StartTestCase start_testcase
Struct with information about a specific node and the whole network namespace setup.
unsigned int * read_file
Shall we read the topology from file, or from a string.
char * topology_data
String with topology data or name of topology file.
char * m
The number of the node in the namespace.
char * n
The number of the namespace this node is in.
char * local_m
The number of local nodes per namespace.
char * global_n
The number of namespaces.
Handle for a plugin.
Definition: testing.h:94
char * global_n
The number of namespaces.
Definition: testing.h:121
char * local_m
The number of local nodes per namespace.
Definition: testing.h:127
char * n
The number of the namespace this node is in.
Definition: testing.h:133
char * m
The number of the node in the namespace.
Definition: testing.h:139
struct GNUNET_TESTING_PluginFunctions * api
Plugin API.
Definition: testing.h:103
enum GNUNET_TESTBED_UnderlayLinkModelType type
the type of this model
void TST_interpreter_finish_attached_cmds(struct GNUNET_TESTING_Interpreter *is, const char *barrier_name)
Finish all "barrier reached" comands attached to this barrier.

References GNUNET_TESTING_PluginFunctions::all_local_tests_prepared, GNUNET_TESTING_PluginFunctions::all_peers_started, TestcasePlugin::api, finished_cb(), NodeIdentifier::global_n, TestcasePlugin::global_n, GNUNET_break, GNUNET_ERROR_TYPE_DEBUG, GNUNET_ERROR_TYPE_ERROR, GNUNET_ERROR_TYPE_WARNING, GNUNET_free, GNUNET_malloc, GNUNET_MESSAGE_TYPE_CMDS_HELPER_ALL_LOCAL_TESTS_PREPARED, GNUNET_MESSAGE_TYPE_CMDS_HELPER_ALL_PEERS_STARTED, GNUNET_MESSAGE_TYPE_CMDS_HELPER_BARRIER_CROSSABLE, GNUNET_MESSAGE_TYPE_CMDS_HELPER_INIT, GNUNET_MESSAGE_TYPE_CMDS_HELPER_REPLY, GNUNET_new, GNUNET_OK, GNUNET_OS_get_libexec_binary_path(), GNUNET_PLUGIN_load(), GNUNET_SCHEDULER_shutdown(), GNUNET_strdup, GNUNET_strlcpy(), GNUNET_SYSERR, GNUNET_TESTING_CommandHelperReply::header, is, KNOWN_BASE_IP, TestcasePlugin::library_name, NodeIdentifier::local_m, TestcasePlugin::local_m, LOG, NodeIdentifier::m, TestcasePlugin::m, msg, NodeIdentifier::n, TestcasePlugin::n, NODE_BASE_IP, plugin, plugin_name, GNUNET_TESTING_CommandHelperInit::plugin_name_size, NodeIdentifier::read_file, ROUTER_BASE_IP, GNUNET_MessageHeader::size, GNUNET_TESTING_PluginFunctions::start_testcase, status, NodeIdentifier::topology_data, TST_interpreter_finish_attached_cmds(), GNUNET_MessageHeader::type, type, and write_message().

Referenced by run().

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◆ read_task()

static void read_task ( void *  cls)

Task to read from stdin.


Definition at line 502 of file gnunet-cmds-helper.c.

503 {
505  ssize_t sread;
507  read_task_id = NULL;
508  sread = GNUNET_DISK_file_read (stdin_fd, buf, sizeof(buf));
509  if ((GNUNET_SYSERR == sread) || (0 == sread))
510  {
511  LOG_DEBUG ("STDIN closed\n");
513  return;
514  }
515  if (GNUNET_YES == done_reading)
516  {
517  /* didn't expect any more data! */
518  GNUNET_break_op (0);
520  "tokenizer shutting down during reading, didn't expect any more data!\n");
522  return;
523  }
524  LOG_DEBUG ("Read %u bytes\n", (unsigned int) sread);
525  /* FIXME: could introduce a GNUNET_MST_read2 to read
526  directly from 'stdin_fd' and save a memcpy() here */
527  if (GNUNET_OK !=
529  {
530  GNUNET_break (0);
532  "tokenizer shutting down during reading, writing to buffer failed!\n");
534  return;
535  }
536  read_task_id /* No timeout while reading */
538  stdin_fd,
539  &read_task,
540  NULL);
541 }
static void read_task(void *cls)
Task to read from stdin.
static int done_reading
Are we done reading messages from stdin?
static char buf[2048]
Largest supported message (to be precise, one byte more than the largest possible message,...
ssize_t GNUNET_DISK_file_read(const struct GNUNET_DISK_FileHandle *h, void *result, size_t len)
Read the contents of a binary file into a buffer.
Definition: disk.c:622
#define GNUNET_break_op(cond)
Use this for assertion violations caused by other peers (i.e.
struct GNUNET_SCHEDULER_Task * GNUNET_SCHEDULER_add_read_file(struct GNUNET_TIME_Relative delay, const struct GNUNET_DISK_FileHandle *rfd, GNUNET_SCHEDULER_TaskCallback task, void *task_cls)
Schedule a new task to be run with a specified delay or when the specified file descriptor is ready f...
Definition: scheduler.c:1656
enum GNUNET_GenericReturnValue GNUNET_MST_from_buffer(struct GNUNET_MessageStreamTokenizer *mst, const char *buf, size_t size, int purge, int one_shot)
Add incoming data to the receive buffer and call the callback for all complete messages.
Definition: mst.c:101

References buf, done_reading, GNUNET_break, GNUNET_break_op, GNUNET_DISK_file_read(), GNUNET_ERROR_TYPE_ERROR, GNUNET_MAX_MESSAGE_SIZE, GNUNET_MST_from_buffer(), GNUNET_NO, GNUNET_OK, GNUNET_SCHEDULER_add_read_file(), GNUNET_SCHEDULER_shutdown(), GNUNET_SYSERR, GNUNET_TIME_UNIT_FOREVER_REL, GNUNET_YES, LOG, LOG_DEBUG, read_task_id, stdin_fd, and tokenizer.

Referenced by run().

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◆ run()

static void run ( void *  cls,
char *const *  args,
const char *  cfgfile,
const struct GNUNET_CONFIGURATION_Handle cfg 

Main function that will be run.

argsremaining command-line arguments
cfgfilename of the configuration file used (for saving, can be NULL!)

Definition at line 553 of file gnunet-cmds-helper.c.

557 {
558  struct NodeIdentifier *ni = cls;
561  "Starting interpreter loop helper...\n");
567  stdin_fd,
568  &read_task,
569  NULL);
572  "Interpreter loop helper started.\n");
573 }
static int tokenizer_cb(void *cls, const struct GNUNET_MessageHeader *message)
Functions with this signature are called whenever a complete message is received by the tokenizer.
static void do_shutdown(void *cls)
Task to shut down cleanly.
struct GNUNET_DISK_FileHandle * GNUNET_DISK_get_handle_from_native(FILE *fd)
Get a handle from a native FD.
Definition: disk.c:1346
struct GNUNET_SCHEDULER_Task * GNUNET_SCHEDULER_add_shutdown(GNUNET_SCHEDULER_TaskCallback task, void *task_cls)
Schedule a new task to be run on shutdown, that is when a CTRL-C signal is received,...
Definition: scheduler.c:1334
struct GNUNET_MessageStreamTokenizer * GNUNET_MST_create(GNUNET_MessageTokenizerCallback cb, void *cb_cls)
Create a message stream tokenizer.
Definition: mst.c:86

References do_shutdown(), GNUNET_DISK_get_handle_from_native(), GNUNET_ERROR_TYPE_DEBUG, GNUNET_MST_create(), GNUNET_SCHEDULER_add_read_file(), GNUNET_SCHEDULER_add_shutdown(), GNUNET_TIME_UNIT_FOREVER_REL, LOG, read_task(), read_task_id, stdin_fd, stdout_fd, tokenizer, and tokenizer_cb().

Referenced by main().

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◆ sighandler_child_death()

static void sighandler_child_death ( void  )

Signal handler called for SIGCHLD.

Definition at line 580 of file gnunet-cmds-helper.c.

581 {
582  static char c;
583  int old_errno; /* back-up errno */
585  old_errno = errno;
586  GNUNET_break (
587  1 ==
590  &c,
591  sizeof(c)));
592  errno = old_errno;
593 }
static struct GNUNET_DISK_PipeHandle * sigpipe
Pipe used to communicate shutdown via signal.
const struct GNUNET_DISK_FileHandle * GNUNET_DISK_pipe_handle(const struct GNUNET_DISK_PipeHandle *p, enum GNUNET_DISK_PipeEnd n)
Get the handle to a particular pipe end.
Definition: disk.c:1617
The writing-end of a pipe.

References GNUNET_break, GNUNET_DISK_file_write(), GNUNET_DISK_PIPE_END_WRITE, GNUNET_DISK_pipe_handle(), and sigpipe.

Referenced by main().

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◆ main()

int main ( int  argc,
char **  argv 

Main function.

argcthe number of command line arguments
argvcommand line arg array
return code

Definition at line 604 of file gnunet-cmds-helper.c.

605 {
606  struct NodeIdentifier *ni;
610  int ret;
611  unsigned int sscanf_ret;
612  int i;
613  size_t topology_data_length = 0;
614  unsigned int read_file;
615  char cr[2] = "\n\0";
617  GNUNET_log_setup ("gnunet-cmds-helper",
618  "DEBUG",
619  NULL);
620  ni = GNUNET_new (struct NodeIdentifier);
621  ni->global_n = argv[1];
622  ni->local_m = argv[2];
623  ni->m = argv[3];
624  ni->n = argv[4];
626  errno = 0;
627  sscanf_ret = sscanf (argv[5], "%u", &read_file);
629  if (errno != 0)
630  {
632  }
633  else if (1 == read_file)
634  ni->topology_data = argv[6];
635  else if (0 == read_file)
636  {
637  for (i = 6; i<argc; i++)
638  topology_data_length += strlen (argv[i]) + 1;
640  "topo data length %lu\n",
641  topology_data_length);
642  ni->topology_data = GNUNET_malloc (topology_data_length);
643  memset (ni->topology_data, '\0', topology_data_length);
644  for (i = 6; i<argc; i++)
645  {
646  strcat (ni->topology_data, argv[i]);
647  strcat (ni->topology_data, cr);
648  }
649  }
650  else
651  {
653  "Wrong input for the fourth argument\n");
654  }
655  GNUNET_assert (0 < sscanf_ret);
656  ni->read_file = &read_file;
657  ni->topology_data[topology_data_length - 1] = '\0';
659  "topo data %s\n",
660  ni->topology_data);
662  status = GNUNET_OK;
663  if (NULL ==
665  {
666  GNUNET_break (0);
667  return 1;
668  }
669  shc_chld =
672  ret = GNUNET_PROGRAM_run (argc,
673  argv,
674  "gnunet-cmds-helper",
675  "Helper for starting a local interpreter loop",
676  options,
677  &run,
678  ni);
681  "Finishing helper\n");
683  shc_chld = NULL;
685  GNUNET_free (ni);
686  if (GNUNET_OK != ret)
687  return 1;
688  return (GNUNET_OK == status) ? 0 : 1;
689 }
Definition: 002.c:13
struct GNUNET_GETOPT_CommandLineOption options[]
Definition: 002.c:5
static struct GNUNET_SIGNAL_Context * shc_chld
static int ret
Return value of the commandline.
Definition: gnunet-abd.c:81
static void sighandler_child_death()
Signal handler called for SIGCHLD.
static void run(void *cls, char *const *args, const char *cfgfile, const struct GNUNET_CONFIGURATION_Handle *cfg)
Main function that will be run.
enum GNUNET_GenericReturnValue GNUNET_DISK_pipe_close(struct GNUNET_DISK_PipeHandle *p)
Closes an interprocess channel.
Definition: disk.c:1587
struct GNUNET_DISK_PipeHandle * GNUNET_DISK_pipe(enum GNUNET_DISK_PipeFlags pf)
Creates an interprocess channel.
Definition: disk.c:1444
No special options, use non-blocking read/write operations.
int GNUNET_log_setup(const char *comp, const char *loglevel, const char *logfile)
Setup logging.
#define GNUNET_log_strerror(level, cmd)
Log an error message at log-level 'level' that indicates a failure of the command 'cmd' with the mess...
enum GNUNET_GenericReturnValue GNUNET_PROGRAM_run(int argc, char *const *argv, const char *binaryName, const char *binaryHelp, const struct GNUNET_GETOPT_CommandLineOption *options, GNUNET_PROGRAM_Main task, void *task_cls)
Run a standard GNUnet command startup sequence (initialize loggers and configuration,...
Definition: program.c:400
struct GNUNET_SIGNAL_Context * GNUNET_SIGNAL_handler_install(int signal, GNUNET_SIGNAL_Handler handler)
Install a signal handler that will be run if the given signal is received.
Definition: signal.c:52
void GNUNET_SIGNAL_handler_uninstall(struct GNUNET_SIGNAL_Context *ctx)
Uninstall a previously installed signal handler.
Definition: signal.c:78
enum GNUNET_GenericReturnValue read_file(char const *const filename, char **buffer)
Definition: pabc_helper.c:71
Definition: platform.h:42
Definition of a command line option.

References NodeIdentifier::global_n, GNUNET_assert, GNUNET_break, GNUNET_DISK_PF_NONE, GNUNET_DISK_pipe(), GNUNET_DISK_pipe_close(), GNUNET_ERROR_TYPE_DEBUG, GNUNET_ERROR_TYPE_ERROR, GNUNET_free, GNUNET_GETOPT_OPTION_END, GNUNET_log, GNUNET_log_setup(), GNUNET_log_strerror, GNUNET_malloc, GNUNET_new, GNUNET_OK, GNUNET_PROGRAM_run(), GNUNET_SIGCHLD, GNUNET_SIGNAL_handler_install(), GNUNET_SIGNAL_handler_uninstall(), NodeIdentifier::local_m, LOG, NodeIdentifier::m, NodeIdentifier::n, options, read_file(), NodeIdentifier::read_file, ret, run(), shc_chld, sighandler_child_death(), sigpipe, status, and NodeIdentifier::topology_data.

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Variable Documentation

◆ finished_task

struct GNUNET_SCHEDULER_Task* finished_task

Definition at line 80 of file gnunet-cmds-helper.c.

◆ is

◆ plugin

struct TestcasePlugin* plugin

The process handle to the testbed service.

static struct GNUNET_OS_Process *cmd_binary_process; Plugin to dynamically load a test case.

Definition at line 154 of file gnunet-cmds-helper.c.

Referenced by __attribute__(), ack_message_sent(), ack_proc(), add_plugin(), address_notification(), analyze_send_error(), append_port(), broadcast_mst_cb(), check_port(), client_configure_plugin(), client_connect(), client_delete_session(), client_lookup_session(), client_receive_mst_cb(), client_run(), client_schedule(), client_send_cb(), client_start(), connect_notify(), core_connect_cb(), core_disconnect_cb(), core_init_cb(), create_macendpoint(), create_session(), create_source(), create_target(), database_connect(), database_setup(), database_shutdown(), delete_by_rowid(), delete_entries(), delete_old_block(), delete_value(), dequeue(), destroy_session_cb(), disconnect_and_free_it(), disconnect_notify(), do_delete_entry(), do_shutdown(), do_transmit(), enqueue(), enqueue_fragment(), execute_get(), execute_select(), expi_proc(), expire_blocks(), expire_entries(), find_closest(), find_plugin(), find_source(), find_target(), fragmented_message_done(), free_macendpoint(), free_value(), get_any(), get_cb(), get_session_delete_it(), get_typed(), get_wlan_header(), GNUNET_BLOCK_check_block(), GNUNET_BLOCK_context_destroy(), gnunet_drop(), GNUNET_GNSRECORD_is_critical(), GNUNET_GNSRECORD_string_to_value(), GNUNET_GNSRECORD_typename_to_number(), GNUNET_GNSRECORD_value_to_string(), gnunet_hold(), GNUNET_RECLAIM_attribute_number_to_typename(), GNUNET_RECLAIM_attribute_string_to_value(), GNUNET_RECLAIM_attribute_typename_to_number(), GNUNET_RECLAIM_attribute_value_to_string(), GNUNET_RECLAIM_credential_get_attributes(), GNUNET_RECLAIM_credential_get_expiration(), GNUNET_RECLAIM_credential_get_issuer(), GNUNET_RECLAIM_credential_get_presentation(), GNUNET_RECLAIM_credential_number_to_typename(), GNUNET_RECLAIM_credential_string_to_value(), GNUNET_RECLAIM_credential_typename_to_number(), GNUNET_RECLAIM_credential_value_to_string(), GNUNET_RECLAIM_presentation_get_attributes(), GNUNET_RECLAIM_presentation_get_expiration(), GNUNET_RECLAIM_presentation_get_issuer(), GNUNET_RECLAIM_presentation_number_to_typename(), GNUNET_RECLAIM_presentation_string_to_value(), GNUNET_RECLAIM_presentation_typename_to_number(), GNUNET_RECLAIM_presentation_value_to_string(), gnunet_try_connect(), handle_core_message(), handle_helper_message(), handle_tcp_data(), handle_tcp_nat_probe(), handle_tcp_welcome(), heap_get_keys(), heap_plugin_estimate_size(), heap_plugin_get_closest(), heap_plugin_get_expiration(), heap_plugin_get_key(), heap_plugin_get_replication(), heap_plugin_get_zero_anonymity(), heap_plugin_put(), heap_plugin_remove_key(), hello_offered_cb(), http_client_plugin_get_session(), http_client_plugin_peer_disconnect(), http_client_plugin_send(), http_client_plugin_session_disconnect(), http_client_plugin_setup_monitor(), http_common_plugin_address_to_string(), http_common_plugin_dnsresult_to_address(), http_common_plugin_string_to_address(), http_server_plugin_address_suggested(), http_server_plugin_disconnect_peer(), http_server_plugin_send(), http_server_plugin_setup_monitor(), iface_proc(), ip_send(), ip_try_connect(), iterate_entries(), kill_session(), libgnunet_plugin_datacache_heap_done(), libgnunet_plugin_datacache_heap_init(), libgnunet_plugin_datacache_postgres_done(), libgnunet_plugin_datacache_postgres_init(), libgnunet_plugin_datacache_sqlite_done(), libgnunet_plugin_datacache_sqlite_init(), libgnunet_plugin_datacache_template_done(), libgnunet_plugin_datacache_template_init(), libgnunet_plugin_datastore_heap_init(), libgnunet_plugin_datastore_mysql_done(), libgnunet_plugin_datastore_mysql_init(), libgnunet_plugin_datastore_postgres_done(), libgnunet_plugin_datastore_postgres_init(), libgnunet_plugin_datastore_sqlite_done(), libgnunet_plugin_datastore_sqlite_init(), libgnunet_plugin_datastore_template_done(), libgnunet_plugin_datastore_template_init(), libgnunet_plugin_dhtu_gnunet_done(), libgnunet_plugin_dhtu_gnunet_init(), libgnunet_plugin_dhtu_ip_done(), libgnunet_plugin_dhtu_ip_init(), libgnunet_plugin_namecache_flat_done(), libgnunet_plugin_namecache_flat_init(), libgnunet_plugin_namecache_postgres_done(), libgnunet_plugin_namecache_postgres_init(), libgnunet_plugin_namecache_sqlite_done(), libgnunet_plugin_namecache_sqlite_init(), libgnunet_plugin_namestore_flat_done(), libgnunet_plugin_namestore_flat_init(), libgnunet_plugin_namestore_postgres_done(), libgnunet_plugin_namestore_postgres_init(), libgnunet_plugin_namestore_sqlite_done(), libgnunet_plugin_namestore_sqlite_init(), libgnunet_plugin_peerstore_flat_done(), libgnunet_plugin_peerstore_flat_init(), libgnunet_plugin_peerstore_sqlite_done(), libgnunet_plugin_peerstore_sqlite_init(), libgnunet_plugin_rest_config_done(), libgnunet_plugin_rest_config_init(), libgnunet_plugin_rest_copying_done(), libgnunet_plugin_rest_copying_init(), libgnunet_plugin_rest_gns_done(), libgnunet_plugin_rest_gns_init(), libgnunet_plugin_rest_identity_done(), libgnunet_plugin_rest_identity_init(), libgnunet_plugin_rest_namestore_done(), libgnunet_plugin_rest_namestore_init(), libgnunet_plugin_rest_openid_connect_done(), libgnunet_plugin_rest_openid_connect_init(), libgnunet_plugin_rest_pabc_init(), libgnunet_plugin_rest_peerinfo_done(), libgnunet_plugin_rest_peerinfo_init(), libgnunet_plugin_rest_reclaim_done(), libgnunet_plugin_rest_reclaim_init(), LIBGNUNET_PLUGIN_TRANSPORT_DONE(), libgnunet_plugin_transport_http_client_done(), libgnunet_plugin_transport_http_client_init(), libgnunet_plugin_transport_tcp_done(), libgnunet_plugin_transport_tcp_init(), libgnunet_plugin_transport_template_init(), libgnunet_plugin_transport_unix_done(), libgnunet_plugin_transport_unix_init(), load_plugin(), lookup_session(), mysql_plugin_drop(), mysql_plugin_estimate_size(), mysql_plugin_get_expiration(), mysql_plugin_get_key(), mysql_plugin_get_keys(), mysql_plugin_get_replication(), mysql_plugin_get_zero_anonymity(), mysql_plugin_put(), mysql_plugin_remove_key(), namecache_cache_block(), namecache_expire_blocks(), namecache_lookup_block(), namecache_postgres_expire_blocks(), namecache_sqlite_cache_block(), namecache_sqlite_expire_blocks(), namecache_sqlite_lookup_block(), namestore_flat_iterate_records(), namestore_flat_lookup_records(), namestore_flat_store_records(), namestore_flat_zone_to_name(), notify_send_probe(), notify_session_monitor(), nse_cb(), peerinfo_cb(), peerstore_flat_delete_records(), peerstore_flat_expire_records(), peerstore_flat_iterate_records(), peerstore_flat_store_record(), peerstore_sqlite_delete_records(), peerstore_sqlite_expire_records(), peerstore_sqlite_iterate_records(), peerstore_sqlite_store_record(), postgres_plugin_del(), postgres_plugin_drop(), postgres_plugin_estimate_size(), postgres_plugin_get_closest(), postgres_plugin_get_expiration(), postgres_plugin_get_key(), postgres_plugin_get_keys(), postgres_plugin_get_replication(), postgres_plugin_get_zero_anonymity(), postgres_plugin_put(), postgres_plugin_remove_key(), prepare_beacon(), process_data(), process_inbound_tokenized_messages(), process_result(), process_udp_message(), qc_fragment_sent(), qc_message_sent(), read_cb(), read_process_ack(), read_process_fragment(), remove_timeout_messages_and_select(), repl_proc(), run(), run_mhd_start_daemon(), scan(), schedule_select_v4(), schedule_select_v6(), send_hello_beacon(), send_session_info_iter(), send_with_fragmentation(), server_accept_cb(), server_access_cb(), server_add_address(), server_configure_plugin(), server_connection_cb(), server_delete_session(), server_disconnect_cb(), server_get_addresses(), server_lookup_connection(), server_mhd_connection_timeout(), server_nat_port_map_callback(), server_notify_external_hostname(), server_parse_url(), server_receive_mst_cb(), server_remove_address(), server_reschedule(), server_schedule(), server_start(), server_start_report_addresses(), server_stop_report_addresses(), server_v4_run(), server_v6_run(), session_disconnect_it(), session_timeout(), setup_broadcast(), setup_sockets(), sqlite_plugin_drop(), sqlite_plugin_estimate_size(), sqlite_plugin_get_closest(), sqlite_plugin_get_expiration(), sqlite_plugin_get_key(), sqlite_plugin_get_keys(), sqlite_plugin_get_replication(), sqlite_plugin_get_zero_anonymity(), sqlite_plugin_put(), sqlite_plugin_remove_key(), start_helper(), tcp_nat_port_map_callback(), tcp_plugin_address_pretty_printer(), tcp_plugin_check_address(), tcp_plugin_disconnect(), tcp_plugin_disconnect_session(), tcp_plugin_get_network(), tcp_plugin_get_session(), tcp_plugin_send(), tcp_plugin_setup_monitor(), tcp_plugin_string_to_address(), template_plugin_setup_monitor(), tokenizer_cb(), udp_broadcast_receive(), udp_disconnect(), udp_disconnect_session(), udp_ipv4_broadcast_send(), udp_ipv6_broadcast_send(), udp_nat_port_map_callback(), udp_plugin_address_pretty_printer(), udp_plugin_check_address(), udp_plugin_create_session(), udp_plugin_get_session(), udp_plugin_lookup_session(), udp_plugin_select_v4(), udp_plugin_select_v6(), udp_plugin_send(), udp_plugin_setup_monitor(), udp_plugin_update_session_timeout(), udp_select_read(), udp_select_send(), udp_string_to_address(), unix_demultiplexer(), unix_plugin_check_address(), unix_plugin_do_read(), unix_plugin_do_write(), unix_plugin_get_network(), unix_plugin_get_session(), unix_plugin_peer_disconnect(), unix_plugin_select_read(), unix_plugin_select_write(), unix_plugin_send(), unix_plugin_session_disconnect(), unix_plugin_setup_monitor(), unix_plugin_string_to_address(), unix_plugin_update_session_timeout(), unix_transport_server_start(), wlan_data_message_handler(), wlan_plugin_address_suggested(), wlan_plugin_disconnect_peer(), wlan_plugin_disconnect_session(), wlan_plugin_get_session(), wlan_plugin_send(), wlan_plugin_setup_monitor(), and wlan_plugin_string_to_address().

◆ tokenizer

struct GNUNET_MessageStreamTokenizer* tokenizer

Our message stream tokenizer.

Definition at line 159 of file gnunet-cmds-helper.c.

Referenced by do_shutdown(), read_task(), and run().

◆ stdin_fd

struct GNUNET_DISK_FileHandle* stdin_fd

Disk handle from stdin.

Definition at line 164 of file gnunet-cmds-helper.c.

Referenced by do_shutdown(), read_task(), and run().

◆ stdout_fd

struct GNUNET_DISK_FileHandle* stdout_fd

Disk handle for stdout.

Definition at line 169 of file gnunet-cmds-helper.c.

Referenced by do_shutdown(), run(), write_message(), and write_task().

◆ sigpipe

struct GNUNET_DISK_PipeHandle* sigpipe

Pipe used to communicate shutdown via signal.

Definition at line 174 of file gnunet-cmds-helper.c.

Referenced by main(), and sighandler_child_death().

◆ read_task_id

struct GNUNET_SCHEDULER_Task* read_task_id

Task identifier for the read task.

Definition at line 179 of file gnunet-cmds-helper.c.

Referenced by do_shutdown(), read_task(), and run().

◆ write_task_id

struct GNUNET_SCHEDULER_Task* write_task_id

Task identifier for the write task.

Definition at line 184 of file gnunet-cmds-helper.c.

Referenced by do_shutdown(), write_message(), and write_task().

◆ done_reading

int done_reading

Are we done reading messages from stdin?

Definition at line 189 of file gnunet-cmds-helper.c.

Referenced by read_task().

◆ status

int status

Result to return in case we fail.

Definition at line 194 of file gnunet-cmds-helper.c.

Referenced by main(), and tokenizer_cb().