GNUnet  0.11.x
Data Structures | Macros | Functions | Variables
gnunet-auto-share.c File Reference

automatically publish files on GNUnet More...

#include "platform.h"
#include "gnunet_util_lib.h"
Include dependency graph for gnunet-auto-share.c:

Go to the source code of this file.

Data Structures

struct  WorkItem
 Item in our work queue (or in the set of files/directories we have successfully published). More...
 

Macros

#define MAX_DELAY   GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_HOURS, 4)
 
#define MIN_DELAY   GNUNET_TIME_UNIT_MINUTES
 

Functions

static char * get_state_file ()
 Compute the name of the state database file we will use. More...
 
static void load_state ()
 Load the set of work_finished items from disk. More...
 
static int write_item (void *cls, const struct GNUNET_HashCode *key, void *value)
 Write work item from the work_finished map to the given write handle. More...
 
static void save_state ()
 Save the set of work_finished items on disk. More...
 
static void do_stop_task (void *cls)
 Task run on shutdown. More...
 
static void schedule_next_task (void)
 Decide what the next task is (working or scanning) and schedule it. More...
 
static void maint_child_death (void *cls)
 Task triggered whenever we receive a SIGCHLD (child process died). More...
 
static void sighandler_child_death ()
 Signal handler called for SIGCHLD. More...
 
static void work (void *cls)
 Function called to process work items. More...
 
static int determine_id (void *cls, const char *filename)
 Recursively scan the given file/directory structure to determine a unique ID that represents the current state of the hierarchy. More...
 
static int add_file (void *cls, const char *filename)
 Function called with a filename (or directory name) to publish (if it has changed since the last time we published it). More...
 
static void scan (void *cls)
 Periodically run task to update our view of the directory to share. More...
 
static void run (void *cls, char *const *args, const char *cfgfile, const struct GNUNET_CONFIGURATION_Handle *c)
 Main function that will be run by the scheduler. More...
 
static int free_item (void *cls, const struct GNUNET_HashCode *key, void *value)
 Free memory associated with the work item from the work_finished map. More...
 
int main (int argc, char *const *argv)
 The main function to automatically publish content to GNUnet. More...
 

Variables

static int ret
 Global return value from 'main'. More...
 
static unsigned int verbose
 Are we running 'verbosely'? More...
 
static const struct GNUNET_CONFIGURATION_Handlecfg
 Configuration to use. More...
 
static char * cfg_filename
 Name of the configuration file. More...
 
static int disable_extractor
 Disable extractor option to use for publishing. More...
 
static int do_disable_creation_time
 Disable creation time option to use for publishing. More...
 
static struct GNUNET_SCHEDULER_Taskrun_task
 Handle for the main task that does scanning and working. More...
 
static unsigned int anonymity_level = 1
 Anonymity level option to use for publishing. More...
 
static unsigned int content_priority = 365
 Content priority option to use for publishing. More...
 
static unsigned int replication_level = 1
 Replication level option to use for publishing. More...
 
static const char * dir_name
 Top-level directory we monitor to auto-publish. More...
 
static struct WorkItemwork_head
 Head of linked list of files still to publish. More...
 
static struct WorkItemwork_tail
 Tail of linked list of files still to publish. More...
 
static struct GNUNET_CONTAINER_MultiHashMapwork_finished
 Map from the hash of the filename (!) to a struct WorkItem that was finished. More...
 
static int do_shutdown
 Set to GNUNET_YES if we are shutting down. More...
 
static struct GNUNET_TIME_Absolute start_time
 Start time of the current round; used to determine how long one iteration takes (which influences how fast we schedule the next one). More...
 
static struct GNUNET_DISK_PipeHandlesigpipe
 Pipe used to communicate 'gnunet-publish' completion (SIGCHLD) via signal. More...
 
static struct GNUNET_OS_Processpublish_proc
 Handle to the 'gnunet-publish' process that we executed. More...
 

Detailed Description

automatically publish files on GNUnet

Author
Christian Grothoff

TODO:

Definition in file gnunet-auto-share.c.

Macro Definition Documentation

◆ MAX_DELAY

Definition at line 32 of file gnunet-auto-share.c.

Referenced by schedule_next_task().

◆ MIN_DELAY

#define MIN_DELAY   GNUNET_TIME_UNIT_MINUTES

Definition at line 34 of file gnunet-auto-share.c.

Referenced by schedule_next_task().

Function Documentation

◆ get_state_file()

static char* get_state_file ( )
static

Compute the name of the state database file we will use.

Definition at line 164 of file gnunet-auto-share.c.

References dir_name, DIR_SEPARATOR, DIR_SEPARATOR_STR, GNUNET_asprintf(), and ret.

Referenced by load_state(), and save_state().

165 {
166  char *ret;
167 
168  GNUNET_asprintf (&ret,
169  "%s%s.auto-share",
170  dir_name,
171  (DIR_SEPARATOR == dir_name[strlen (dir_name) - 1])
172  ? ""
174  return ret;
175 }
static int ret
Global return value from 'main'.
static const char * dir_name
Top-level directory we monitor to auto-publish.
int GNUNET_asprintf(char **buf, const char *format,...)
Like asprintf, just portable.
#define DIR_SEPARATOR_STR
Definition: platform.h:171
#define DIR_SEPARATOR
Definition: platform.h:170
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◆ load_state()

static void load_state ( )
static

Load the set of work_finished items from disk.

Definition at line 182 of file gnunet-auto-share.c.

References _, WorkItem::filename, fn, get_state_file(), GNUNET_BIO_read_close(), GNUNET_BIO_read_int32(), GNUNET_BIO_read_open_file(), GNUNET_BIO_read_spec_commit(), GNUNET_BIO_read_spec_end, GNUNET_BIO_read_spec_object(), GNUNET_BIO_read_spec_string(), GNUNET_break, GNUNET_CONTAINER_multihashmap_put(), GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_ONLY, GNUNET_CRYPTO_hash(), GNUNET_ERROR_TYPE_DEBUG, GNUNET_ERROR_TYPE_WARNING, GNUNET_free, GNUNET_h2s(), GNUNET_log, GNUNET_new, GNUNET_OK, and WorkItem::id.

Referenced by run().

183 {
184  char *fn;
185  struct GNUNET_BIO_ReadHandle *rh;
186  uint32_t n;
187  struct GNUNET_HashCode id;
188  struct WorkItem *wi;
189  char *emsg;
190 
191  emsg = NULL;
192  fn = get_state_file ();
193  rh = GNUNET_BIO_read_open_file (fn);
194  GNUNET_free (fn);
195  if (NULL == rh)
196  return;
197  fn = NULL;
198  if (GNUNET_OK != GNUNET_BIO_read_int32 (rh, "number of files",
199  (int32_t *) &n))
200  goto error;
201  while (n-- > 0)
202  {
203  struct GNUNET_BIO_ReadSpec rs[] = {
204  GNUNET_BIO_read_spec_string ("filename", &fn, 1024),
205  GNUNET_BIO_read_spec_object ("id", &id, sizeof(struct GNUNET_HashCode)),
207  };
208  if (GNUNET_OK != GNUNET_BIO_read_spec_commit (rh, rs))
209  goto error;
210  wi = GNUNET_new (struct WorkItem);
211  wi->id = id;
212  wi->filename = fn;
214  "Loaded serialization ID for `%s' is `%s'\n",
215  wi->filename,
216  GNUNET_h2s (&id));
217  fn = NULL;
218  GNUNET_CRYPTO_hash (wi->filename, strlen (wi->filename), &id);
222  &id,
223  wi,
225  }
226  if (GNUNET_OK == GNUNET_BIO_read_close (rh, &emsg))
227  return;
228  rh = NULL;
229 error:
230  GNUNET_free (fn);
231  if (NULL != rh)
232  (void) GNUNET_BIO_read_close (rh, &emsg);
234  _ ("Failed to load state: %s\n"),
235  emsg);
236  GNUNET_free (emsg);
237 }
#define GNUNET_BIO_read_spec_end()
End of specifications marker.
int GNUNET_BIO_read_int32(struct GNUNET_BIO_ReadHandle *h, const char *what, int32_t *i)
Read an (u)int32_t.
Definition: bio.c:478
Item in our work queue (or in the set of files/directories we have successfully published).
struct GNUNET_BIO_ReadSpec GNUNET_BIO_read_spec_object(const char *what, void *result, size_t size)
Create the specification to read a certain amount of bytes.
Definition: bio.c:997
struct GNUNET_BIO_ReadHandle * GNUNET_BIO_read_open_file(const char *fn)
Open a file for reading.
Definition: bio.c:119
char * filename
Filename of the work item.
int GNUNET_BIO_read_spec_commit(struct GNUNET_BIO_ReadHandle *h, struct GNUNET_BIO_ReadSpec *rs)
Execute the read specifications in order.
Definition: bio.c:1242
static struct GNUNET_IDENTITY_Handle * id
Handle to identity service.
const char * GNUNET_h2s(const struct GNUNET_HashCode *hc)
Convert a hash value to a string (for printing debug messages).
#define GNUNET_new(type)
Allocate a struct or union of the given type.
static struct GNUNET_CONTAINER_MultiHashMap * work_finished
Map from the hash of the filename (!) to a struct WorkItem that was finished.
int GNUNET_BIO_read_close(struct GNUNET_BIO_ReadHandle *h, char **emsg)
Close an open handle.
Definition: bio.c:166
#define GNUNET_break(cond)
Use this for internal assertion violations that are not fatal (can be handled) but should not occur...
#define _(String)
GNU gettext support macro.
Definition: platform.h:184
static char * fn
Filename of the unique file.
void GNUNET_CRYPTO_hash(const void *block, size_t size, struct GNUNET_HashCode *ret)
Compute hash of a given block.
Definition: crypto_hash.c:48
Structure specifying a reading operation on an IO handle.
A 512-bit hashcode.
struct GNUNET_BIO_ReadSpec GNUNET_BIO_read_spec_string(const char *what, char **result, size_t max_length)
Create the specification to read a 0-terminated string.
Definition: bio.c:1045
There must only be one value per key; storing a value should fail if a value under the same key alrea...
int GNUNET_CONTAINER_multihashmap_put(struct GNUNET_CONTAINER_MultiHashMap *map, const struct GNUNET_HashCode *key, void *value, enum GNUNET_CONTAINER_MultiHashMapOption opt)
Store a key-value pair in the map.
struct GNUNET_HashCode id
Unique identity for this work item (used to detect if we need to do the work again).
static char * get_state_file()
Compute the name of the state database file we will use.
#define GNUNET_log(kind,...)
Handle for buffered reading.
Definition: bio.c:73
#define GNUNET_free(ptr)
Wrapper around free.
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◆ write_item()

static int write_item ( void *  cls,
const struct GNUNET_HashCode key,
void *  value 
)
static

Write work item from the work_finished map to the given write handle.

Parameters
clsthe struct GNUNET_BIO_WriteHandle *
keykey of the item in the map (unused)
valuethe struct WorkItem to write
Returns
GNUNET_OK to continue to iterate (if write worked)

Definition at line 249 of file gnunet-auto-share.c.

References WorkItem::filename, GNUNET_BIO_write_spec_commit(), GNUNET_BIO_write_spec_end, GNUNET_BIO_write_spec_object(), GNUNET_BIO_write_spec_string(), GNUNET_ERROR_TYPE_DEBUG, GNUNET_h2s(), GNUNET_log, GNUNET_OK, GNUNET_SYSERR, WorkItem::id, value, and wh.

Referenced by save_state().

250 {
251  struct GNUNET_BIO_WriteHandle *wh = cls;
252  struct WorkItem *wi = value;
253 
255  "Saving serialization ID of file `%s' with value `%s'\n",
256  wi->filename,
257  GNUNET_h2s (&wi->id));
258  struct GNUNET_BIO_WriteSpec ws[] = {
259  GNUNET_BIO_write_spec_string ("auto-share-write-item-filename",
260  wi->filename),
261  GNUNET_BIO_write_spec_object ("id", &wi->id, sizeof(struct
262  GNUNET_HashCode)),
264  };
265  if (GNUNET_OK != GNUNET_BIO_write_spec_commit (wh, ws))
266  return GNUNET_SYSERR; /* write error, abort iteration */
267  return GNUNET_OK;
268 }
Structure specifying a writing operation on an IO handle.
Item in our work queue (or in the set of files/directories we have successfully published).
char * filename
Filename of the work item.
const char * GNUNET_h2s(const struct GNUNET_HashCode *hc)
Convert a hash value to a string (for printing debug messages).
struct GNUNET_BIO_WriteSpec GNUNET_BIO_write_spec_object(const char *what, void *source, size_t size)
Create the specification to read some bytes.
Definition: bio.c:1288
#define GNUNET_BIO_write_spec_end()
End of specifications marker.
struct GNUNET_BIO_WriteSpec GNUNET_BIO_write_spec_string(const char *what, const char *s)
Create the specification to write a 0-terminated string.
Definition: bio.c:1335
static char * value
Value of the record to add/remove.
Handle for buffered writing.
Definition: bio.c:516
A 512-bit hashcode.
static struct GNUNET_TESTBED_BarrierWaitHandle * wh
Our barrier wait handle.
struct GNUNET_HashCode id
Unique identity for this work item (used to detect if we need to do the work again).
int GNUNET_BIO_write_spec_commit(struct GNUNET_BIO_WriteHandle *h, struct GNUNET_BIO_WriteSpec *ws)
Execute the write specifications in order.
Definition: bio.c:1539
#define GNUNET_log(kind,...)
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◆ save_state()

static void save_state ( )
static

Save the set of work_finished items on disk.

Definition at line 275 of file gnunet-auto-share.c.

References _, fn, get_state_file(), GNUNET_BIO_write_close(), GNUNET_BIO_write_int32(), GNUNET_BIO_write_open_file(), GNUNET_CONTAINER_multihashmap_iterate(), GNUNET_CONTAINER_multihashmap_size(), GNUNET_ERROR_TYPE_WARNING, GNUNET_free, GNUNET_log, GNUNET_OK, wh, and write_item().

Referenced by maint_child_death().

276 {
277  uint32_t n;
278  struct GNUNET_BIO_WriteHandle *wh;
279  char *fn;
280 
282  fn = get_state_file ();
283  wh = GNUNET_BIO_write_open_file (fn);
284  if (NULL == wh)
285  {
287  _ ("Failed to save state to file %s\n"),
288  fn);
289  GNUNET_free (fn);
290  return;
291  }
292  if (GNUNET_OK != GNUNET_BIO_write_int32 (wh, "size of state", n))
293  {
294  (void) GNUNET_BIO_write_close (wh, NULL);
296  _ ("Failed to save state to file %s\n"),
297  fn);
298  GNUNET_free (fn);
299  return;
300  }
302  if (GNUNET_OK != GNUNET_BIO_write_close (wh, NULL))
304  _ ("Failed to save state to file %s\n"),
305  fn);
306  GNUNET_free (fn);
307 }
unsigned int GNUNET_CONTAINER_multihashmap_size(const struct GNUNET_CONTAINER_MultiHashMap *map)
Get the number of key-value pairs in the map.
static struct GNUNET_CONTAINER_MultiHashMap * work_finished
Map from the hash of the filename (!) to a struct WorkItem that was finished.
#define _(String)
GNU gettext support macro.
Definition: platform.h:184
static char * fn
Filename of the unique file.
Handle for buffered writing.
Definition: bio.c:516
struct GNUNET_BIO_WriteHandle * GNUNET_BIO_write_open_file(const char *fn)
Open a file for writing.
Definition: bio.c:559
int GNUNET_BIO_write_close(struct GNUNET_BIO_WriteHandle *h, char **emsg)
Close an IO handle.
Definition: bio.c:608
static struct GNUNET_TESTBED_BarrierWaitHandle * wh
Our barrier wait handle.
int GNUNET_BIO_write_int32(struct GNUNET_BIO_WriteHandle *h, const char *what, int32_t i)
Write an (u)int32_t.
Definition: bio.c:936
static char * get_state_file()
Compute the name of the state database file we will use.
#define GNUNET_log(kind,...)
static int write_item(void *cls, const struct GNUNET_HashCode *key, void *value)
Write work item from the work_finished map to the given write handle.
int GNUNET_CONTAINER_multihashmap_iterate(struct GNUNET_CONTAINER_MultiHashMap *map, GNUNET_CONTAINER_MulitHashMapIteratorCallback it, void *it_cls)
Iterate over all entries in the map.
#define GNUNET_free(ptr)
Wrapper around free.
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◆ do_stop_task()

static void do_stop_task ( void *  cls)
static

Task run on shutdown.

Serializes our current state to disk.

Parameters
clsclosure, unused

Definition at line 316 of file gnunet-auto-share.c.

References do_shutdown, GNUNET_OS_process_kill(), GNUNET_SCHEDULER_cancel(), GNUNET_YES, and schedule_next_task().

Referenced by run().

317 {
319  if (NULL != publish_proc)
320  {
322  return;
323  }
324  if (NULL != run_task)
325  {
327  run_task = NULL;
328  }
329 }
static int do_shutdown
Set to GNUNET_YES if we are shutting down.
static struct GNUNET_OS_Process * publish_proc
Handle to the 'gnunet-publish' process that we executed.
static struct GNUNET_SCHEDULER_Task * run_task
Handle for the main task that does scanning and working.
int GNUNET_OS_process_kill(struct GNUNET_OS_Process *proc, int sig)
Sends a signal to the process.
Definition: os_priority.c:225
void * GNUNET_SCHEDULER_cancel(struct GNUNET_SCHEDULER_Task *task)
Cancel the task with the specified identifier.
Definition: scheduler.c:972
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◆ schedule_next_task()

static void schedule_next_task ( void  )
static

Decide what the next task is (working or scanning) and schedule it.

Definition at line 618 of file gnunet-auto-share.c.

References do_shutdown, GNUNET_assert, GNUNET_SCHEDULER_add_delayed(), GNUNET_SCHEDULER_add_now(), GNUNET_TIME_absolute_get_duration(), GNUNET_TIME_relative_max(), GNUNET_TIME_relative_min(), GNUNET_TIME_relative_saturating_multiply(), GNUNET_YES, MAX_DELAY, MIN_DELAY, scan(), start_time, and work().

Referenced by do_stop_task(), maint_child_death(), and scan().

619 {
621 
622  if (GNUNET_YES == do_shutdown)
623  return;
624  GNUNET_assert (NULL == run_task);
625  if (NULL == work_head)
626  {
627  /* delay by at most 4h, at least 1s, and otherwise in between depending
628  on how long it took to scan */
634  }
635  else
636  {
638  }
639 }
struct GNUNET_TIME_Relative GNUNET_TIME_relative_max(struct GNUNET_TIME_Relative t1, struct GNUNET_TIME_Relative t2)
Return the maximum of two relative time values.
Definition: time.c:287
#define GNUNET_assert(cond)
Use this for fatal errors that cannot be handled.
#define MIN_DELAY
static void work(void *cls)
Function called to process work items.
static int do_shutdown
Set to GNUNET_YES if we are shutting down.
#define MAX_DELAY
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:1269
struct GNUNET_SCHEDULER_Task * GNUNET_SCHEDULER_add_now(GNUNET_SCHEDULER_TaskCallback task, void *task_cls)
Schedule a new task to be run as soon as possible.
Definition: scheduler.c:1296
static struct GNUNET_TIME_Absolute start_time
Start time of the current round; used to determine how long one iteration takes (which influences how...
struct GNUNET_TIME_Relative GNUNET_TIME_relative_min(struct GNUNET_TIME_Relative t1, struct GNUNET_TIME_Relative t2)
Return the minimum of two relative time values.
Definition: time.c:272
static struct WorkItem * work_head
Head of linked list of files still to publish.
static struct GNUNET_TIME_Relative delay
When should dkg communication start?
struct GNUNET_TIME_Relative GNUNET_TIME_absolute_get_duration(struct GNUNET_TIME_Absolute whence)
Get the duration of an operation as the difference of the current time and the given start time "henc...
Definition: time.c:375
struct GNUNET_TIME_Relative GNUNET_TIME_relative_saturating_multiply(struct GNUNET_TIME_Relative rel, unsigned long long factor)
Saturating multiply relative time by a given factor.
Definition: time.c:501
static void scan(void *cls)
Periodically run task to update our view of the directory to share.
static struct GNUNET_SCHEDULER_Task * run_task
Handle for the main task that does scanning and working.
Time for relative time used by GNUnet, in microseconds.
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◆ maint_child_death()

static void maint_child_death ( void *  cls)
static

Task triggered whenever we receive a SIGCHLD (child process died).

Parameters
clsthe struct WorkItem we were working on

Definition at line 346 of file gnunet-auto-share.c.

References _, do_shutdown, WorkItem::filename, GNUNET_assert, GNUNET_break, GNUNET_CONTAINER_DLL_insert_tail, GNUNET_CONTAINER_multihashmap_put(), GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_ONLY, GNUNET_CRYPTO_hash(), GNUNET_DISK_file_read(), GNUNET_DISK_PIPE_END_READ, GNUNET_DISK_pipe_handle(), GNUNET_ERROR_TYPE_INFO, GNUNET_free, GNUNET_log, GNUNET_NO, GNUNET_OK, GNUNET_OS_process_destroy(), GNUNET_OS_PROCESS_EXITED, GNUNET_OS_process_status(), GNUNET_SCHEDULER_add_read_file(), GNUNET_SCHEDULER_get_task_context(), GNUNET_SCHEDULER_REASON_READ_READY, GNUNET_SYSERR, GNUNET_TIME_UNIT_FOREVER_REL, GNUNET_YES, GNUNET_SCHEDULER_TaskContext::reason, ret, save_state(), schedule_next_task(), tc, and type.

Referenced by work().

347 {
348  struct WorkItem *wi = cls;
349  struct GNUNET_HashCode key;
351  unsigned long code;
352  int ret;
353  char c;
354  const struct GNUNET_DISK_FileHandle *pr;
355  const struct GNUNET_SCHEDULER_TaskContext *tc;
356 
357  run_task = NULL;
361  {
362  /* shutdown scheduled us, someone else will kill child,
363  we should just try again */
365  pr,
367  wi);
368  return;
369  }
370  /* consume the signal */
371  GNUNET_break (0 < GNUNET_DISK_file_read (pr, &c, sizeof(c)));
372 
373  ret = GNUNET_OS_process_status (publish_proc, &type, &code);
374  GNUNET_assert (GNUNET_SYSERR != ret);
375  if (GNUNET_NO == ret)
376  {
377  /* process still running? Then where did the SIGCHLD come from?
378  Well, let's declare it spurious (kernel bug?) and keep rolling.
379  */
380  GNUNET_break (0);
382  pr,
384  wi);
385  return;
386  }
387  GNUNET_assert (GNUNET_OK == ret);
388 
390  publish_proc = NULL;
391 
392  if (GNUNET_YES == do_shutdown)
393  {
394  GNUNET_free (wi->filename);
395  GNUNET_free (wi);
396  return;
397  }
398  if ((GNUNET_OS_PROCESS_EXITED == type) && (0 == code))
399  {
401  _ ("Publication of `%s' done\n"),
402  wi->filename);
403  GNUNET_CRYPTO_hash (wi->filename, strlen (wi->filename), &key);
407  &key,
408  wi,
410  }
411  else
412  {
414  }
415  save_state ();
417 }
const struct GNUNET_SCHEDULER_TaskContext * GNUNET_SCHEDULER_get_task_context(void)
Obtain the reasoning why the current task was started.
Definition: scheduler.c:752
static int ret
Global return value from &#39;main&#39;.
Item in our work queue (or in the set of files/directories we have successfully published).
void GNUNET_OS_process_destroy(struct GNUNET_OS_Process *proc)
Cleans up process structure contents (OS-dependent) and deallocates it.
Definition: os_priority.c:287
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:732
int GNUNET_OS_process_status(struct GNUNET_OS_Process *proc, enum GNUNET_OS_ProcessStatusType *type, unsigned long *code)
Retrieve the status of a process.
Definition: os_priority.c:946
The reading socket is ready.
Context information passed to each scheduler task.
char * filename
Filename of the work item.
static void maint_child_death(void *cls)
Task triggered whenever we receive a SIGCHLD (child process died).
#define GNUNET_assert(cond)
Use this for fatal errors that cannot be handled.
static struct GNUNET_SCHEDULER_TaskContext tc
Task context of the current task.
Definition: scheduler.c:423
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:1667
static struct GNUNET_CONTAINER_MultiHashMap * work_finished
Map from the hash of the filename (!) to a struct WorkItem that was finished.
enum GNUNET_SCHEDULER_Reason reason
Reason why the task is run now.
#define GNUNET_break(cond)
Use this for internal assertion violations that are not fatal (can be handled) but should not occur...
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:1672
static void schedule_next_task(void)
Decide what the next task is (working or scanning) and schedule it.
#define _(String)
GNU gettext support macro.
Definition: platform.h:184
static int do_shutdown
Set to GNUNET_YES if we are shutting down.
static struct GNUNET_OS_Process * publish_proc
Handle to the &#39;gnunet-publish&#39; process that we executed.
void GNUNET_CRYPTO_hash(const void *block, size_t size, struct GNUNET_HashCode *ret)
Compute hash of a given block.
Definition: crypto_hash.c:48
GNUNET_OS_ProcessStatusType
Process status types.
#define GNUNET_TIME_UNIT_FOREVER_REL
Constant used to specify "forever".
The reading-end of a pipe.
The process exited with a return code.
A 512-bit hashcode.
There must only be one value per key; storing a value should fail if a value under the same key alrea...
struct GNUNET_HashCode key
The key used in the DHT.
static void save_state()
Save the set of work_finished items on disk.
static struct WorkItem * work_head
Head of linked list of files still to publish.
#define GNUNET_CONTAINER_DLL_insert_tail(head, tail, element)
Insert an element at the tail of a DLL.
static struct GNUNET_DISK_PipeHandle * sigpipe
Pipe used to communicate &#39;gnunet-publish&#39; completion (SIGCHLD) via signal.
int GNUNET_CONTAINER_multihashmap_put(struct GNUNET_CONTAINER_MultiHashMap *map, const struct GNUNET_HashCode *key, void *value, enum GNUNET_CONTAINER_MultiHashMapOption opt)
Store a key-value pair in the map.
#define GNUNET_log(kind,...)
enum GNUNET_TESTBED_UnderlayLinkModelType type
the type of this model
Handle used to access files (and pipes).
static struct GNUNET_SCHEDULER_Task * run_task
Handle for the main task that does scanning and working.
#define GNUNET_free(ptr)
Wrapper around free.
static struct WorkItem * work_tail
Tail of linked list of files still to publish.
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◆ sighandler_child_death()

static void sighandler_child_death ( )
static

Signal handler called for SIGCHLD.

Triggers the respective handler by writing to the trigger pipe.

Definition at line 425 of file gnunet-auto-share.c.

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

Referenced by main().

426 {
427  static char c;
428  int old_errno = errno; /* back-up errno */
429 
430  GNUNET_break (
431  1 ==
434  &c,
435  sizeof(c)));
436  errno = old_errno; /* restore errno */
437 }
#define GNUNET_break(cond)
Use this for internal assertion violations that are not fatal (can be handled) but should not occur...
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:1672
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:820
The writing-end of a pipe.
static struct GNUNET_DISK_PipeHandle * sigpipe
Pipe used to communicate &#39;gnunet-publish&#39; completion (SIGCHLD) via signal.
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◆ work()

static void work ( void *  cls)
static

Function called to process work items.

Parameters
clsclosure, NULL

Definition at line 446 of file gnunet-auto-share.c.

References _, anonymity_level, cfg_filename, content_priority, disable_extractor, do_disable_creation_time, WorkItem::filename, GNUNET_assert, GNUNET_CONTAINER_DLL_insert, GNUNET_CONTAINER_DLL_remove, GNUNET_DISK_PIPE_END_READ, GNUNET_DISK_pipe_handle(), GNUNET_ERROR_TYPE_ERROR, GNUNET_ERROR_TYPE_INFO, GNUNET_log, GNUNET_OS_start_process_vap(), GNUNET_OS_USE_PIPE_CONTROL, GNUNET_SCHEDULER_add_delayed(), GNUNET_SCHEDULER_add_read_file(), GNUNET_snprintf(), GNUNET_TIME_UNIT_FOREVER_REL, GNUNET_TIME_UNIT_MINUTES, maint_child_death(), replication_level, verbose, and work_head.

Referenced by dns_post_request_handler(), and schedule_next_task().

447 {
448  static char *argv[14];
449  static char anon_level[20];
450  static char content_prio[20];
451  static char repl_level[20];
452  struct WorkItem *wi;
453  const struct GNUNET_DISK_FileHandle *pr;
454  int argc;
455 
456  run_task = NULL;
457  wi = work_head;
459  argc = 0;
460  argv[argc++] = "gnunet-publish";
461  if (verbose)
462  argv[argc++] = "-V";
463  if (disable_extractor)
464  argv[argc++] = "-D";
466  argv[argc++] = "-d";
467  argv[argc++] = "-c";
468  argv[argc++] = cfg_filename;
469  GNUNET_snprintf (anon_level, sizeof(anon_level), "%u", anonymity_level);
470  argv[argc++] = "-a";
471  argv[argc++] = anon_level;
472  GNUNET_snprintf (content_prio, sizeof(content_prio), "%u", content_priority);
473  argv[argc++] = "-p";
474  argv[argc++] = content_prio;
475  GNUNET_snprintf (repl_level, sizeof(repl_level), "%u", replication_level);
476  argv[argc++] = "-r";
477  argv[argc++] = repl_level;
478  argv[argc++] = wi->filename;
479  argv[argc] = NULL;
480  GNUNET_log (GNUNET_ERROR_TYPE_INFO, _ ("Publishing `%s'\n"), wi->filename);
481  GNUNET_assert (NULL == publish_proc);
483  NULL,
484  NULL,
485  NULL,
486  "gnunet-publish",
487  argv);
488  if (NULL == publish_proc)
489  {
491  _ ("Failed to run `%s'\n"),
492  "gnunet-publish");
494  run_task =
496  return;
497  }
500  pr,
502  wi);
503 }
#define GNUNET_CONTAINER_DLL_remove(head, tail, element)
Remove an element from a DLL.
static char * cfg_filename
Name of the configuration file.
Item in our work queue (or in the set of files/directories we have successfully published).
struct GNUNET_OS_Process * GNUNET_OS_start_process_vap(enum GNUNET_OS_InheritStdioFlags std_inheritance, struct GNUNET_DISK_PipeHandle *pipe_stdin, struct GNUNET_DISK_PipeHandle *pipe_stdout, struct GNUNET_DISK_PipeHandle *pipe_stderr, const char *filename, char *const argv[])
Start a process.
Definition: os_priority.c:604
#define GNUNET_CONTAINER_DLL_insert(head, tail, element)
Insert an element at the head of a DLL.
int GNUNET_snprintf(char *buf, size_t size, const char *format,...)
Like snprintf, just aborts if the buffer is of insufficient size.
static unsigned int verbose
Are we running &#39;verbosely&#39;?
#define GNUNET_TIME_UNIT_MINUTES
One minute.
char * filename
Filename of the work item.
static void maint_child_death(void *cls)
Task triggered whenever we receive a SIGCHLD (child process died).
#define GNUNET_assert(cond)
Use this for fatal errors that cannot be handled.
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:1667
static void work(void *cls)
Function called to process work items.
static unsigned int anonymity_level
Anonymity level option to use for publishing.
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:1672
#define _(String)
GNU gettext support macro.
Definition: platform.h:184
static struct GNUNET_OS_Process * publish_proc
Handle to the &#39;gnunet-publish&#39; process that we executed.
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:1269
static int disable_extractor
Disable extractor option to use for publishing.
#define GNUNET_TIME_UNIT_FOREVER_REL
Constant used to specify "forever".
The reading-end of a pipe.
static unsigned int content_priority
Content priority option to use for publishing.
static struct WorkItem * work_head
Head of linked list of files still to publish.
static struct GNUNET_DISK_PipeHandle * sigpipe
Pipe used to communicate &#39;gnunet-publish&#39; completion (SIGCHLD) via signal.
static int do_disable_creation_time
Disable creation time option to use for publishing.
#define GNUNET_log(kind,...)
static unsigned int replication_level
Replication level option to use for publishing.
Should a pipe be used to send signals to the child?
Handle used to access files (and pipes).
static struct GNUNET_SCHEDULER_Task * run_task
Handle for the main task that does scanning and working.
static struct WorkItem * work_tail
Tail of linked list of files still to publish.
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◆ determine_id()

static int determine_id ( void *  cls,
const char *  filename 
)
static

Recursively scan the given file/directory structure to determine a unique ID that represents the current state of the hierarchy.

Parameters
clswhere to store the unique ID we are computing
filenamefile to scan
Returns
GNUNET_OK (always)

Definition at line 515 of file gnunet-auto-share.c.

References GNUNET_CRYPTO_hash(), GNUNET_CRYPTO_hash_xor(), GNUNET_DISK_directory_scan(), GNUNET_ERROR_TYPE_WARNING, GNUNET_htonll(), GNUNET_log_strerror_file, and GNUNET_OK.

Referenced by add_file().

516 {
517  struct GNUNET_HashCode *id = cls;
518  struct stat sbuf;
519  struct GNUNET_HashCode fx[2];
520  struct GNUNET_HashCode ft;
521 
522  if (0 != stat (filename, &sbuf))
523  {
525  return GNUNET_OK;
526  }
527  GNUNET_CRYPTO_hash (filename, strlen (filename), &fx[0]);
528  if (! S_ISDIR (sbuf.st_mode))
529  {
530  uint64_t fattr[2];
531 
532  fattr[0] = GNUNET_htonll (sbuf.st_size);
533  fattr[0] = GNUNET_htonll (sbuf.st_mtime);
534 
535  GNUNET_CRYPTO_hash (fattr, sizeof(fattr), &fx[1]);
536  }
537  else
538  {
539  memset (&fx[1], 1, sizeof(struct GNUNET_HashCode));
541  }
542  /* use hash here to make hierarchical structure distinct from
543  all files on the same level */
544  GNUNET_CRYPTO_hash (fx, sizeof(fx), &ft);
545  /* use XOR here so that order of the files in the directory
546  does not matter! */
547  GNUNET_CRYPTO_hash_xor (&ft, id, id);
548  return GNUNET_OK;
549 }
int GNUNET_DISK_directory_scan(const char *dir_name, GNUNET_FileNameCallback callback, void *callback_cls)
Scan a directory for files.
Definition: disk.c:911
static int determine_id(void *cls, const char *filename)
Recursively scan the given file/directory structure to determine a unique ID that represents the curr...
#define GNUNET_log_strerror_file(level, cmd, filename)
Log an error message at log-level &#39;level&#39; that indicates a failure of the command &#39;cmd&#39; with the mess...
void GNUNET_CRYPTO_hash(const void *block, size_t size, struct GNUNET_HashCode *ret)
Compute hash of a given block.
Definition: crypto_hash.c:48
static char * filename
A 512-bit hashcode.
uint64_t GNUNET_htonll(uint64_t n)
Convert unsigned 64-bit integer to network byte order.
Definition: common_endian.c:36
void GNUNET_CRYPTO_hash_xor(const struct GNUNET_HashCode *a, const struct GNUNET_HashCode *b, struct GNUNET_HashCode *result)
compute result = a ^ b
Definition: crypto_hash.c:202
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◆ add_file()

static int add_file ( void *  cls,
const char *  filename 
)
static

Function called with a filename (or directory name) to publish (if it has changed since the last time we published it).

This function is called for the top-level files only.

Parameters
clsclosure, NULL
filenamecomplete filename (absolute path)
Returns
GNUNET_OK to continue to iterate, GNUNET_SYSERR during shutdown

Definition at line 562 of file gnunet-auto-share.c.

References determine_id(), do_shutdown, WorkItem::filename, GNUNET_assert, GNUNET_CONTAINER_DLL_insert, GNUNET_CONTAINER_multihashmap_get(), GNUNET_CONTAINER_multihashmap_remove(), GNUNET_CRYPTO_hash(), GNUNET_new, GNUNET_OK, GNUNET_strdup, GNUNET_SYSERR, GNUNET_YES, and WorkItem::id.

Referenced by scan().

563 {
564  struct WorkItem *wi;
565  struct GNUNET_HashCode key;
566  struct GNUNET_HashCode id;
567 
568  if (GNUNET_YES == do_shutdown)
569  return GNUNET_SYSERR;
570  if ((NULL != strstr (filename, "/.auto-share")) ||
571  (NULL != strstr (filename, "\\.auto-share")))
572  return GNUNET_OK; /* skip internal file */
573  GNUNET_CRYPTO_hash (filename, strlen (filename), &key);
575  memset (&id, 0, sizeof(struct GNUNET_HashCode));
576  determine_id (&id, filename);
577  if (NULL != wi)
578  {
579  if (0 == memcmp (&id, &wi->id, sizeof(struct GNUNET_HashCode)))
580  return GNUNET_OK; /* skip: we did this one already */
581  /* contents changed, need to re-do the directory... */
582  GNUNET_assert (
583  GNUNET_YES ==
585  }
586  else
587  {
588  wi = GNUNET_new (struct WorkItem);
590  }
591  wi->id = id;
593  if (GNUNET_YES == do_shutdown)
594  return GNUNET_SYSERR;
595  return GNUNET_OK;
596 }
Item in our work queue (or in the set of files/directories we have successfully published).
#define GNUNET_CONTAINER_DLL_insert(head, tail, element)
Insert an element at the head of a DLL.
char * filename
Filename of the work item.
#define GNUNET_assert(cond)
Use this for fatal errors that cannot be handled.
static struct GNUNET_IDENTITY_Handle * id
Handle to identity service.
#define GNUNET_new(type)
Allocate a struct or union of the given type.
#define GNUNET_strdup(a)
Wrapper around GNUNET_xstrdup_.
static struct GNUNET_CONTAINER_MultiHashMap * work_finished
Map from the hash of the filename (!) to a struct WorkItem that was finished.
void * GNUNET_CONTAINER_multihashmap_get(const struct GNUNET_CONTAINER_MultiHashMap *map, const struct GNUNET_HashCode *key)
Given a key find a value in the map matching the key.
static int do_shutdown
Set to GNUNET_YES if we are shutting down.
static int determine_id(void *cls, const char *filename)
Recursively scan the given file/directory structure to determine a unique ID that represents the curr...
void GNUNET_CRYPTO_hash(const void *block, size_t size, struct GNUNET_HashCode *ret)
Compute hash of a given block.
Definition: crypto_hash.c:48
static char * filename
int GNUNET_CONTAINER_multihashmap_remove(struct GNUNET_CONTAINER_MultiHashMap *map, const struct GNUNET_HashCode *key, const void *value)
Remove the given key-value pair from the map.
A 512-bit hashcode.
struct GNUNET_HashCode key
The key used in the DHT.
static struct WorkItem * work_head
Head of linked list of files still to publish.
struct GNUNET_HashCode id
Unique identity for this work item (used to detect if we need to do the work again).
static struct WorkItem * work_tail
Tail of linked list of files still to publish.
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◆ scan()

static void scan ( void *  cls)
static

Periodically run task to update our view of the directory to share.

Parameters
clsNULL

Definition at line 605 of file gnunet-auto-share.c.

References add_file(), dir_name, GNUNET_DISK_directory_scan(), GNUNET_TIME_absolute_get(), schedule_next_task(), and start_time.

Referenced by run(), and schedule_next_task().

606 {
607  run_task = NULL;
611 }
static const char * dir_name
Top-level directory we monitor to auto-publish.
int GNUNET_DISK_directory_scan(const char *dir_name, GNUNET_FileNameCallback callback, void *callback_cls)
Scan a directory for files.
Definition: disk.c:911
static void schedule_next_task(void)
Decide what the next task is (working or scanning) and schedule it.
struct GNUNET_TIME_Absolute GNUNET_TIME_absolute_get(void)
Get the current time.
Definition: time.c:118
static struct GNUNET_TIME_Absolute start_time
Start time of the current round; used to determine how long one iteration takes (which influences how...
static struct GNUNET_SCHEDULER_Task * run_task
Handle for the main task that does scanning and working.
static int add_file(void *cls, const char *filename)
Function called with a filename (or directory name) to publish (if it has changed since the last time...
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◆ run()

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

Main function that will be run by the scheduler.

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

Definition at line 651 of file gnunet-auto-share.c.

References _, cfg_filename, dir_name, do_stop_task(), GNUNET_CONTAINER_multihashmap_create(), GNUNET_DISK_directory_test(), GNUNET_NO, GNUNET_SCHEDULER_add_shutdown(), GNUNET_SCHEDULER_add_with_priority(), GNUNET_SCHEDULER_PRIORITY_IDLE, GNUNET_strdup, GNUNET_YES, load_state(), ret, and scan().

Referenced by main().

655 {
656  /* check arguments */
657  if ((NULL == args[0]) || (NULL != args[1]) ||
659  {
660  printf (_ (
661  "You must specify one and only one directory name for automatic publication.\n"));
662  ret = -1;
663  return;
664  }
665  cfg_filename = GNUNET_strdup (cfgfile);
666  cfg = c;
667  dir_name = args[0];
669  load_state ();
671  &scan,
672  NULL);
674 }
static char * cfg_filename
Name of the configuration file.
static int ret
Global return value from &#39;main&#39;.
static const char * dir_name
Top-level directory we monitor to auto-publish.
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, or when GNUNET_SCHEDULER_shutdown() is being invoked.
Definition: scheduler.c:1331
int GNUNET_DISK_directory_test(const char *fil, int is_readable)
Test if fil is a directory and listable.
Definition: disk.c:503
static void do_stop_task(void *cls)
Task run on shutdown.
#define GNUNET_strdup(a)
Wrapper around GNUNET_xstrdup_.
static struct GNUNET_CONTAINER_MultiHashMap * work_finished
Map from the hash of the filename (!) to a struct WorkItem that was finished.
#define _(String)
GNU gettext support macro.
Definition: platform.h:184
static void load_state()
Load the set of work_finished items from disk.
struct GNUNET_SCHEDULER_Task * GNUNET_SCHEDULER_add_with_priority(enum GNUNET_SCHEDULER_Priority prio, GNUNET_SCHEDULER_TaskCallback task, void *task_cls)
Schedule a new task to be run with a specified priority.
Definition: scheduler.c:1223
Run when otherwise idle.
static const struct GNUNET_CONFIGURATION_Handle * cfg
Configuration to use.
struct GNUNET_CONTAINER_MultiHashMap * GNUNET_CONTAINER_multihashmap_create(unsigned int len, int do_not_copy_keys)
Create a multi hash map.
static void scan(void *cls)
Periodically run task to update our view of the directory to share.
static struct GNUNET_SCHEDULER_Task * run_task
Handle for the main task that does scanning and working.
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◆ free_item()

static int free_item ( void *  cls,
const struct GNUNET_HashCode key,
void *  value 
)
static

Free memory associated with the work item from the work_finished map.

Parameters
clsNULL (unused)
keykey of the item in the map (unused)
valuethe struct WorkItem to free
Returns
GNUNET_OK to continue to iterate

Definition at line 686 of file gnunet-auto-share.c.

References WorkItem::filename, GNUNET_free, GNUNET_OK, and value.

Referenced by main().

687 {
688  struct WorkItem *wi = value;
689 
690  GNUNET_free (wi->filename);
691  GNUNET_free (wi);
692  return GNUNET_OK;
693 }
Item in our work queue (or in the set of files/directories we have successfully published).
char * filename
Filename of the work item.
static char * value
Value of the record to add/remove.
#define GNUNET_free(ptr)
Wrapper around free.
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◆ main()

int main ( int  argc,
char *const *  argv 
)

The main function to automatically publish content to GNUnet.

Parameters
argcnumber of arguments from the command line
argvcommand line arguments
Returns
0 ok, 1 on error

Definition at line 704 of file gnunet-auto-share.c.

References anonymity_level, cfg_filename, content_priority, disable_extractor, do_disable_creation_time, WorkItem::filename, free_item(), gettext_noop, GNUNET_assert, GNUNET_CONTAINER_DLL_remove, GNUNET_CONTAINER_multihashmap_destroy(), GNUNET_CONTAINER_multihashmap_iterate(), GNUNET_DISK_PF_NONE, GNUNET_DISK_pipe(), GNUNET_DISK_pipe_close(), GNUNET_free, GNUNET_free_nz, GNUNET_GETOPT_OPTION_END, GNUNET_GETOPT_option_flag(), GNUNET_GETOPT_option_uint(), GNUNET_GETOPT_option_verbose(), GNUNET_OK, GNUNET_PROGRAM_run(), GNUNET_SIGCHLD, GNUNET_SIGNAL_handler_install(), GNUNET_SIGNAL_handler_uninstall(), GNUNET_STRINGS_get_utf8_args(), ok, replication_level, ret, run(), shc_chld, sighandler_child_death(), and verbose.

705 {
708  "anonymity",
709  "LEVEL",
710  gettext_noop (
711  "set the desired LEVEL of sender-anonymity"),
712  &anonymity_level),
713 
715  'd',
716  "disable-creation-time",
717  gettext_noop (
718  "disable adding the creation time to the metadata of the uploaded file"),
720 
722  'D',
723  "disable-extractor",
724  gettext_noop ("do not use libextractor to add keywords or metadata"),
726 
728  "priority",
729  "PRIORITY",
730  gettext_noop (
731  "specify the priority of the content"),
733 
735  "replication",
736  "LEVEL",
737  gettext_noop (
738  "set the desired replication LEVEL"),
740 
742 
744  };
745  struct WorkItem *wi;
746  int ok;
748 
749  if (GNUNET_OK != GNUNET_STRINGS_get_utf8_args (argc, argv, &argc, &argv))
750  return 2;
752  GNUNET_assert (NULL != sigpipe);
753  shc_chld =
755  ok =
756  (GNUNET_OK ==
758  argc,
759  argv,
760  "gnunet-auto-share [OPTIONS] FILENAME",
761  gettext_noop ("Automatically publish files from a directory on GNUnet"),
762  options,
763  &run,
764  NULL))
765  ? ret
766  : 1;
767  if (NULL != work_finished)
768  {
770  &free_item,
771  NULL);
773  }
774  while (NULL != (wi = work_head))
775  {
777  GNUNET_free (wi->filename);
778  GNUNET_free (wi);
779  }
781  shc_chld = NULL;
783  sigpipe = NULL;
785  cfg_filename = NULL;
786  GNUNET_free_nz ((void *) argv);
787  return ok;
788 }
#define GNUNET_CONTAINER_DLL_remove(head, tail, element)
Remove an element from a DLL.
static char * cfg_filename
Name of the configuration file.
No special options, use non-blocking read/write operations.
static int ret
Global return value from &#39;main&#39;.
Item in our work queue (or in the set of files/directories we have successfully published).
struct GNUNET_GETOPT_CommandLineOption options[]
Definition: 002.c:5
#define GNUNET_SIGCHLD
Definition: platform.h:42
static unsigned int verbose
Are we running &#39;verbosely&#39;?
struct GNUNET_GETOPT_CommandLineOption GNUNET_GETOPT_option_verbose(unsigned int *level)
Define the &#39;-V&#39; verbosity option.
int GNUNET_STRINGS_get_utf8_args(int argc, char *const *argv, int *u8argc, char *const **u8argv)
Returns utf-8 encoded arguments.
Definition: strings.c:1458
char * filename
Filename of the work item.
#define GNUNET_assert(cond)
Use this for fatal errors that cannot be handled.
static int ok
Return value from &#39;main&#39; (0 == success)
void GNUNET_SIGNAL_handler_uninstall(struct GNUNET_SIGNAL_Context *ctx)
Uninstall a previously installed signal hander.
Definition: signal.c:77
Definition of a command line option.
static struct GNUNET_CONTAINER_MultiHashMap * work_finished
Map from the hash of the filename (!) to a struct WorkItem that was finished.
static unsigned int anonymity_level
Anonymity level option to use for publishing.
struct GNUNET_GETOPT_CommandLineOption GNUNET_GETOPT_OPTION_END
Definition: 002.c:13
void GNUNET_CONTAINER_multihashmap_destroy(struct GNUNET_CONTAINER_MultiHashMap *map)
Destroy a hash map.
static int disable_extractor
Disable extractor option to use for publishing.
struct GNUNET_DISK_PipeHandle * GNUNET_DISK_pipe(enum GNUNET_DISK_PipeFlags pf)
Creates an interprocess channel.
Definition: disk.c:1456
static void sighandler_child_death()
Signal handler called for SIGCHLD.
#define GNUNET_free_nz(ptr)
Wrapper around free.
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:51
static unsigned int content_priority
Content priority option to use for publishing.
static struct WorkItem * work_head
Head of linked list of files still to publish.
static struct GNUNET_DISK_PipeHandle * sigpipe
Pipe used to communicate &#39;gnunet-publish&#39; completion (SIGCHLD) via signal.
static void run(void *cls, char *const *args, const char *cfgfile, const struct GNUNET_CONFIGURATION_Handle *c)
Main function that will be run by the scheduler.
int GNUNET_DISK_pipe_close(struct GNUNET_DISK_PipeHandle *p)
Closes an interprocess channel.
Definition: disk.c:1634
static int do_disable_creation_time
Disable creation time option to use for publishing.
static int free_item(void *cls, const struct GNUNET_HashCode *key, void *value)
Free memory associated with the work item from the work_finished map.
struct GNUNET_GETOPT_CommandLineOption GNUNET_GETOPT_option_flag(char shortName, const char *name, const char *description, int *val)
Allow user to specify a flag (which internally means setting an integer to 1/GNUNET_YES/GNUNET_OK.
int 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, parse options).
Definition: program.c:367
static unsigned int replication_level
Replication level option to use for publishing.
static struct GNUNET_SIGNAL_Context * shc_chld
Child signal handler.
Definition: gnunet-qr.c:64
struct GNUNET_GETOPT_CommandLineOption GNUNET_GETOPT_option_uint(char shortName, const char *name, const char *argumentHelp, const char *description, unsigned int *val)
Allow user to specify an unsigned int.
int GNUNET_CONTAINER_multihashmap_iterate(struct GNUNET_CONTAINER_MultiHashMap *map, GNUNET_CONTAINER_MulitHashMapIteratorCallback it, void *it_cls)
Iterate over all entries in the map.
#define GNUNET_free(ptr)
Wrapper around free.
static struct WorkItem * work_tail
Tail of linked list of files still to publish.
#define gettext_noop(String)
Definition: gettext.h:69
Here is the call graph for this function:

Variable Documentation

◆ ret

int ret
static

Global return value from 'main'.

Definition at line 69 of file gnunet-auto-share.c.

Referenced by get_state_file(), main(), maint_child_death(), and run().

◆ verbose

unsigned int verbose
static

Are we running 'verbosely'?

Definition at line 74 of file gnunet-auto-share.c.

Referenced by main(), and work().

◆ cfg

const struct GNUNET_CONFIGURATION_Handle* cfg
static

Configuration to use.

Definition at line 79 of file gnunet-auto-share.c.

◆ cfg_filename

char* cfg_filename
static

Name of the configuration file.

Definition at line 84 of file gnunet-auto-share.c.

Referenced by GNUNET_SERVICE_run_(), GNUNET_TESTBED_barrier_wait(), main(), run(), and work().

◆ disable_extractor

int disable_extractor
static

Disable extractor option to use for publishing.

Definition at line 89 of file gnunet-auto-share.c.

Referenced by main(), and work().

◆ do_disable_creation_time

int do_disable_creation_time
static

Disable creation time option to use for publishing.

Definition at line 94 of file gnunet-auto-share.c.

Referenced by main(), and work().

◆ run_task

struct GNUNET_SCHEDULER_Task* run_task
static

Handle for the main task that does scanning and working.

Definition at line 99 of file gnunet-auto-share.c.

◆ anonymity_level

unsigned int anonymity_level = 1
static

Anonymity level option to use for publishing.

Definition at line 104 of file gnunet-auto-share.c.

Referenced by GSF_pending_request_create_(), main(), and work().

◆ content_priority

unsigned int content_priority = 365
static

Content priority option to use for publishing.

Definition at line 109 of file gnunet-auto-share.c.

Referenced by main(), and work().

◆ replication_level

unsigned int replication_level = 1
static

Replication level option to use for publishing.

Definition at line 114 of file gnunet-auto-share.c.

Referenced by main(), and work().

◆ dir_name

const char* dir_name
static

Top-level directory we monitor to auto-publish.

Definition at line 119 of file gnunet-auto-share.c.

Referenced by get_state_file(), run(), and scan().

◆ work_head

struct WorkItem* work_head
static

Head of linked list of files still to publish.

Definition at line 124 of file gnunet-auto-share.c.

Referenced by work().

◆ work_tail

struct WorkItem* work_tail
static

Tail of linked list of files still to publish.

Definition at line 129 of file gnunet-auto-share.c.

◆ work_finished

struct GNUNET_CONTAINER_MultiHashMap* work_finished
static

Map from the hash of the filename (!) to a struct WorkItem that was finished.

Definition at line 135 of file gnunet-auto-share.c.

◆ do_shutdown

int do_shutdown
static

Set to GNUNET_YES if we are shutting down.

Definition at line 140 of file gnunet-auto-share.c.

Referenced by add_file(), do_stop_task(), maint_child_death(), and schedule_next_task().

◆ start_time

struct GNUNET_TIME_Absolute start_time
static

Start time of the current round; used to determine how long one iteration takes (which influences how fast we schedule the next one).

Definition at line 147 of file gnunet-auto-share.c.

Referenced by scan(), schedule_next_task(), and shutdown_task().

◆ sigpipe

struct GNUNET_DISK_PipeHandle* sigpipe
static

Pipe used to communicate 'gnunet-publish' completion (SIGCHLD) via signal.

Definition at line 152 of file gnunet-auto-share.c.

◆ publish_proc

struct GNUNET_OS_Process* publish_proc
static

Handle to the 'gnunet-publish' process that we executed.

Definition at line 157 of file gnunet-auto-share.c.