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:168
#define DIR_SEPARATOR
Definition: platform.h:167
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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(), GNUNET_BIO_read_close(), GNUNET_BIO_read_int32, GNUNET_BIO_read_open(), GNUNET_BIO_read_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_free_non_null, 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 (fn);
194  GNUNET_free (fn);
195  if (NULL == rh)
196  return;
197  fn = NULL;
198  if (GNUNET_OK != GNUNET_BIO_read_int32 (rh, &n))
199  goto error;
200  while (n-- > 0)
201  {
202  if ((GNUNET_OK != GNUNET_BIO_read_string (rh, "filename", &fn, 1024)) ||
203  (GNUNET_OK !=
204  GNUNET_BIO_read (rh, "id", &id, sizeof(struct GNUNET_HashCode))))
205  goto error;
206  wi = GNUNET_new (struct WorkItem);
207  wi->id = id;
208  wi->filename = fn;
210  "Loaded serialization ID for `%s' is `%s'\n",
211  wi->filename,
212  GNUNET_h2s (&id));
213  fn = NULL;
214  GNUNET_CRYPTO_hash (wi->filename, strlen (wi->filename), &id);
218  &id,
219  wi,
221  }
222  if (GNUNET_OK == GNUNET_BIO_read_close (rh, &emsg))
223  return;
224  rh = NULL;
225 error:
227  if (NULL != rh)
228  (void) GNUNET_BIO_read_close (rh, &emsg);
230  _ ("Failed to load state: %s\n"),
231  emsg);
232  GNUNET_free_non_null (emsg);
233 }
Item in our work queue (or in the set of files/directories we have successfully published).
char * filename
Filename of the work item.
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_OK
Named constants for return values.
Definition: gnunet_common.h:75
#define GNUNET_free_non_null(ptr)
Free the memory pointed to by ptr if ptr is not NULL.
#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 file.
Definition: bio.c:119
#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:181
struct GNUNET_BIO_ReadHandle * GNUNET_BIO_read_open(const char *fn)
Open a file for reading.
Definition: bio.c:94
int GNUNET_BIO_read(struct GNUNET_BIO_ReadHandle *h, const char *what, void *result, size_t len)
Read the contents of a binary file into a buffer.
Definition: bio.c:144
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
A 512-bit hashcode.
int GNUNET_BIO_read_string(struct GNUNET_BIO_ReadHandle *h, const char *what, char **result, size_t max_length)
Read 0-terminated string from a file.
Definition: bio.c:233
There must only be one value per key; storing a value should fail if a value under the same key alrea...
#define GNUNET_BIO_read_int32(h, i)
Read an (u)int32_t.
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:53
#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 245 of file gnunet-auto-share.c.

References WorkItem::filename, GNUNET_BIO_write(), GNUNET_BIO_write_string(), GNUNET_ERROR_TYPE_DEBUG, GNUNET_h2s(), GNUNET_log, GNUNET_OK, GNUNET_SYSERR, WorkItem::id, value, and wh.

Referenced by save_state().

246 {
247  struct GNUNET_BIO_WriteHandle *wh = cls;
248  struct WorkItem *wi = value;
249 
251  "Saving serialization ID of file `%s' with value `%s'\n",
252  wi->filename,
253  GNUNET_h2s (&wi->id));
254  if ((GNUNET_OK != GNUNET_BIO_write_string (wh, wi->filename)) ||
255  (GNUNET_OK !=
256  GNUNET_BIO_write (wh, &wi->id, sizeof(struct GNUNET_HashCode))))
257  return GNUNET_SYSERR; /* write error, abort iteration */
258  return GNUNET_OK;
259 }
Item in our work queue (or in the set of files/directories we have successfully published).
int GNUNET_BIO_write_string(struct GNUNET_BIO_WriteHandle *h, const char *s)
Write a string to a file.
Definition: bio.c:523
char * filename
Filename of the work item.
#define GNUNET_OK
Named constants for return values.
Definition: gnunet_common.h:75
const char * GNUNET_h2s(const struct GNUNET_HashCode *hc)
Convert a hash value to a string (for printing debug messages).
static char * value
Value of the record to add/remove.
Handle for buffered writing.
Definition: bio.c:379
A 512-bit hashcode.
#define GNUNET_SYSERR
Definition: gnunet_common.h:76
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).
#define GNUNET_log(kind,...)
int GNUNET_BIO_write(struct GNUNET_BIO_WriteHandle *h, const void *buffer, size_t n)
Write a buffer to a file.
Definition: bio.c:483
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◆ save_state()

static void save_state ( )
static

Save the set of work_finished items on disk.

Definition at line 266 of file gnunet-auto-share.c.

References _, fn, get_state_file(), GNUNET_BIO_write_close(), GNUNET_BIO_write_int32(), GNUNET_BIO_write_open(), 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().

267 {
268  uint32_t n;
269  struct GNUNET_BIO_WriteHandle *wh;
270  char *fn;
271 
273  fn = get_state_file ();
274  wh = GNUNET_BIO_write_open (fn);
275  if (NULL == wh)
276  {
278  _ ("Failed to save state to file %s\n"),
279  fn);
280  GNUNET_free (fn);
281  return;
282  }
283  if (GNUNET_OK != GNUNET_BIO_write_int32 (wh, n))
284  {
285  (void) GNUNET_BIO_write_close (wh);
287  _ ("Failed to save state to file %s\n"),
288  fn);
289  GNUNET_free (fn);
290  return;
291  }
293  if (GNUNET_OK != GNUNET_BIO_write_close (wh))
295  _ ("Failed to save state to file %s\n"),
296  fn);
297  GNUNET_free (fn);
298 }
unsigned int GNUNET_CONTAINER_multihashmap_size(const struct GNUNET_CONTAINER_MultiHashMap *map)
Get the number of key-value pairs in the map.
#define GNUNET_OK
Named constants for return values.
Definition: gnunet_common.h:75
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:181
static char * fn
Filename of the unique file.
Handle for buffered writing.
Definition: bio.c:379
static struct GNUNET_TESTBED_BarrierWaitHandle * wh
Our barrier wait handle.
int GNUNET_BIO_write_close(struct GNUNET_BIO_WriteHandle *h)
Close an open file for writing.
Definition: bio.c:438
static char * get_state_file()
Compute the name of the state database file we will use.
struct GNUNET_BIO_WriteHandle * GNUNET_BIO_write_open(const char *fn)
Open a file for writing.
Definition: bio.c:410
#define GNUNET_log(kind,...)
int GNUNET_BIO_write_int32(struct GNUNET_BIO_WriteHandle *h, int32_t i)
Write an (u)int32_t.
Definition: bio.c:582
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 307 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().

308 {
310  if (NULL != publish_proc)
311  {
313  return;
314  }
315  if (NULL != run_task)
316  {
318  run_task = NULL;
319  }
320 }
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.
#define GNUNET_YES
Definition: gnunet_common.h:77
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:966
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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 610 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().

611 {
613 
614  if (GNUNET_YES == do_shutdown)
615  return;
616  GNUNET_assert (NULL == run_task);
617  if (NULL == work_head)
618  {
619  /* delay by at most 4h, at least 1s, and otherwise in between depending
620  on how long it took to scan */
626  }
627  else
628  {
630  }
631 }
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:1253
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:1280
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
#define GNUNET_YES
Definition: gnunet_common.h:77
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 337 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().

338 {
339  struct WorkItem *wi = cls;
340  struct GNUNET_HashCode key;
342  unsigned long code;
343  int ret;
344  char c;
345  const struct GNUNET_DISK_FileHandle *pr;
346  const struct GNUNET_SCHEDULER_TaskContext *tc;
347 
348  run_task = NULL;
352  {
353  /* shutdown scheduled us, someone else will kill child,
354  we should just try again */
356  pr,
358  wi);
359  return;
360  }
361  /* consume the signal */
362  GNUNET_break (0 < GNUNET_DISK_file_read (pr, &c, sizeof(c)));
363 
364  ret = GNUNET_OS_process_status (publish_proc, &type, &code);
365  GNUNET_assert (GNUNET_SYSERR != ret);
366  if (GNUNET_NO == ret)
367  {
368  /* process still running? Then where did the SIGCHLD come from?
369  Well, let's declare it spurious (kernel bug?) and keep rolling.
370  */
371  GNUNET_break (0);
373  pr,
375  wi);
376  return;
377  }
378  GNUNET_assert (GNUNET_OK == ret);
379 
381  publish_proc = NULL;
382 
383  if (GNUNET_YES == do_shutdown)
384  {
385  GNUNET_free (wi->filename);
386  GNUNET_free (wi);
387  return;
388  }
389  if ((GNUNET_OS_PROCESS_EXITED == type) && (0 == code))
390  {
392  _ ("Publication of `%s' done\n"),
393  wi->filename);
394  GNUNET_CRYPTO_hash (wi->filename, strlen (wi->filename), &key);
398  &key,
399  wi,
401  }
402  else
403  {
405  }
406  save_state ();
408 }
const struct GNUNET_SCHEDULER_TaskContext * GNUNET_SCHEDULER_get_task_context(void)
Obtain the reasoning why the current task was started.
Definition: scheduler.c:747
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, waiting on it if dead.
Definition: os_priority.c:963
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:418
#define GNUNET_NO
Definition: gnunet_common.h:78
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:1636
#define GNUNET_OK
Named constants for return values.
Definition: gnunet_common.h:75
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:1753
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:181
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.
#define GNUNET_SYSERR
Definition: gnunet_common.h:76
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
#define GNUNET_YES
Definition: gnunet_common.h:77
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 416 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().

417 {
418  static char c;
419  int old_errno = errno; /* back-up errno */
420 
421  GNUNET_break (
422  1 ==
425  &c,
426  sizeof(c)));
427  errno = old_errno; /* restore errno */
428 }
#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:1753
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 437 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_SCHEDULER_add_delayed(), GNUNET_SCHEDULER_add_read_file(), GNUNET_snprintf(), GNUNET_TIME_UNIT_FOREVER_REL, GNUNET_TIME_UNIT_MINUTES, GNUNET_YES, maint_child_death(), replication_level, verbose, and work_head.

Referenced by dns_post_request_handler(), and schedule_next_task().

438 {
439  static char *argv[14];
440  static char anon_level[20];
441  static char content_prio[20];
442  static char repl_level[20];
443  struct WorkItem *wi;
444  const struct GNUNET_DISK_FileHandle *pr;
445  int argc;
446 
447  run_task = NULL;
448  wi = work_head;
450  argc = 0;
451  argv[argc++] = "gnunet-publish";
452  if (verbose)
453  argv[argc++] = "-V";
454  if (disable_extractor)
455  argv[argc++] = "-D";
457  argv[argc++] = "-d";
458  argv[argc++] = "-c";
459  argv[argc++] = cfg_filename;
460  GNUNET_snprintf (anon_level, sizeof(anon_level), "%u", anonymity_level);
461  argv[argc++] = "-a";
462  argv[argc++] = anon_level;
463  GNUNET_snprintf (content_prio, sizeof(content_prio), "%u", content_priority);
464  argv[argc++] = "-p";
465  argv[argc++] = content_prio;
466  GNUNET_snprintf (repl_level, sizeof(repl_level), "%u", replication_level);
467  argv[argc++] = "-r";
468  argv[argc++] = repl_level;
469  argv[argc++] = wi->filename;
470  argv[argc] = NULL;
471  GNUNET_log (GNUNET_ERROR_TYPE_INFO, _ ("Publishing `%s'\n"), wi->filename);
472  GNUNET_assert (NULL == publish_proc);
474  0,
475  NULL,
476  NULL,
477  NULL,
478  "gnunet-publish",
479  argv);
480  if (NULL == publish_proc)
481  {
483  _ ("Failed to run `%s'\n"),
484  "gnunet-publish");
486  run_task =
488  return;
489  }
492  pr,
494  wi);
495 }
#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).
#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:1636
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:1753
#define _(String)
GNU gettext support macro.
Definition: platform.h:181
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:1253
struct GNUNET_OS_Process * GNUNET_OS_start_process_vap(int pipe_control, 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:607
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.
#define GNUNET_YES
Definition: gnunet_common.h:77
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 507 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().

508 {
509  struct GNUNET_HashCode *id = cls;
510  struct stat sbuf;
511  struct GNUNET_HashCode fx[2];
512  struct GNUNET_HashCode ft;
513 
514  if (0 != stat (filename, &sbuf))
515  {
517  return GNUNET_OK;
518  }
519  GNUNET_CRYPTO_hash (filename, strlen (filename), &fx[0]);
520  if (! S_ISDIR (sbuf.st_mode))
521  {
522  uint64_t fattr[2];
523 
524  fattr[0] = GNUNET_htonll (sbuf.st_size);
525  fattr[0] = GNUNET_htonll (sbuf.st_mtime);
526 
527  GNUNET_CRYPTO_hash (fattr, sizeof(fattr), &fx[1]);
528  }
529  else
530  {
531  memset (&fx[1], 1, sizeof(struct GNUNET_HashCode));
533  }
534  /* use hash here to make hierarchical structure distinct from
535  all files on the same level */
536  GNUNET_CRYPTO_hash (fx, sizeof(fx), &ft);
537  /* use XOR here so that order of the files in the directory
538  does not matter! */
539  GNUNET_CRYPTO_hash_xor (&ft, id, id);
540  return GNUNET_OK;
541 }
#define GNUNET_OK
Named constants for return values.
Definition: gnunet_common.h:75
int GNUNET_DISK_directory_scan(const char *dir_name, GNUNET_FileNameCallback callback, void *callback_cls)
Scan a directory for files.
Definition: disk.c:912
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:35
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 554 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().

555 {
556  struct WorkItem *wi;
557  struct GNUNET_HashCode key;
558  struct GNUNET_HashCode id;
559 
560  if (GNUNET_YES == do_shutdown)
561  return GNUNET_SYSERR;
562  if ((NULL != strstr (filename, "/.auto-share")) ||
563  (NULL != strstr (filename, "\\.auto-share")))
564  return GNUNET_OK; /* skip internal file */
565  GNUNET_CRYPTO_hash (filename, strlen (filename), &key);
567  memset (&id, 0, sizeof(struct GNUNET_HashCode));
568  determine_id (&id, filename);
569  if (NULL != wi)
570  {
571  if (0 == memcmp (&id, &wi->id, sizeof(struct GNUNET_HashCode)))
572  return GNUNET_OK; /* skip: we did this one already */
573  /* contents changed, need to re-do the directory... */
574  GNUNET_assert (
575  GNUNET_YES ==
577  }
578  else
579  {
580  wi = GNUNET_new (struct WorkItem);
582  }
583  wi->id = id;
585  if (GNUNET_YES == do_shutdown)
586  return GNUNET_SYSERR;
587  return GNUNET_OK;
588 }
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_OK
Named constants for return values.
Definition: gnunet_common.h:75
#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.
#define GNUNET_SYSERR
Definition: gnunet_common.h:76
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).
#define GNUNET_YES
Definition: gnunet_common.h:77
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 597 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().

598 {
599  run_task = NULL;
603 }
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:912
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 643 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().

647 {
648  /* check arguments */
649  if ((NULL == args[0]) || (NULL != args[1]) ||
651  {
652  printf (_ (
653  "You must specify one and only one directory name for automatic publication.\n"));
654  ret = -1;
655  return;
656  }
657  cfg_filename = GNUNET_strdup (cfgfile);
658  cfg = c;
659  dir_name = args[0];
661  load_state ();
663  &scan,
664  NULL);
666 }
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:1300
int GNUNET_DISK_directory_test(const char *fil, int is_readable)
Test if fil is a directory and listable.
Definition: disk.c:503
#define GNUNET_NO
Definition: gnunet_common.h:78
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:181
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:1207
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.
#define GNUNET_YES
Definition: gnunet_common.h:77
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 678 of file gnunet-auto-share.c.

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

Referenced by main().

679 {
680  struct WorkItem *wi = value;
681 
682  GNUNET_free (wi->filename);
683  GNUNET_free (wi);
684  return GNUNET_OK;
685 }
Item in our work queue (or in the set of files/directories we have successfully published).
char * filename
Filename of the work item.
#define GNUNET_OK
Named constants for return values.
Definition: gnunet_common.h:75
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 696 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_pipe(), GNUNET_DISK_pipe_close(), GNUNET_free, GNUNET_free_non_null, GNUNET_GETOPT_OPTION_END, GNUNET_GETOPT_option_flag(), GNUNET_GETOPT_option_uint(), GNUNET_GETOPT_option_verbose(), GNUNET_NO, 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(), sighandler_child_death(), and verbose.

697 {
700  "anonymity",
701  "LEVEL",
702  gettext_noop (
703  "set the desired LEVEL of sender-anonymity"),
704  &anonymity_level),
705 
707  'd',
708  "disable-creation-time",
709  gettext_noop (
710  "disable adding the creation time to the metadata of the uploaded file"),
712 
714  'D',
715  "disable-extractor",
716  gettext_noop ("do not use libextractor to add keywords or metadata"),
718 
720  "priority",
721  "PRIORITY",
722  gettext_noop (
723  "specify the priority of the content"),
725 
727  "replication",
728  "LEVEL",
729  gettext_noop (
730  "set the desired replication LEVEL"),
732 
734 
736  };
737  struct WorkItem *wi;
738  int ok;
739  struct GNUNET_SIGNAL_Context *shc_chld;
740 
741  if (GNUNET_OK != GNUNET_STRINGS_get_utf8_args (argc, argv, &argc, &argv))
742  return 2;
744  GNUNET_assert (NULL != sigpipe);
745  shc_chld =
747  ok =
748  (GNUNET_OK ==
750  argc,
751  argv,
752  "gnunet-auto-share [OPTIONS] FILENAME",
753  gettext_noop ("Automatically publish files from a directory on GNUnet"),
754  options,
755  &run,
756  NULL))
757  ? ret
758  : 1;
759  if (NULL != work_finished)
760  {
762  &free_item,
763  NULL);
765  }
766  while (NULL != (wi = work_head))
767  {
769  GNUNET_free (wi->filename);
770  GNUNET_free (wi);
771  }
773  shc_chld = NULL;
775  sigpipe = NULL;
777  cfg_filename = NULL;
778  GNUNET_free ((void *) argv);
779  return ok;
780 }
#define GNUNET_CONTAINER_DLL_remove(head, tail, element)
Remove an element from a DLL.
static char * cfg_filename
Name of the configuration file.
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:1438
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)
#define GNUNET_NO
Definition: gnunet_common.h:78
#define GNUNET_OK
Named constants for return values.
Definition: gnunet_common.h:75
void GNUNET_SIGNAL_handler_uninstall(struct GNUNET_SIGNAL_Context *ctx)
Uninstall a previously installed signal hander.
Definition: signal.c:77
#define GNUNET_free_non_null(ptr)
Free the memory pointed to by ptr if ptr is not NULL.
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(int blocking_read, int blocking_write, int inherit_read, int inherit_write)
Creates an interprocess channel.
Definition: disk.c:1526
static void sighandler_child_death()
Signal handler called for SIGCHLD.
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:1715
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.
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.