GNUnet is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published
- by the Free Software Foundation; either version 2, or (at your
+ by the Free Software Foundation; either version 3, or (at your
option) any later version.
GNUnet is distributed in the hope that it will be useful, but
#include "gnunet_program_lib.h"
#include "gnunet_scheduler_lib.h"
#include "gnunet_dht_service.h"
+#include "gnunet_hello_lib.h"
-#define VERBOSE GNUNET_YES
+#define VERBOSE GNUNET_NO
-#define VERBOSE_ARM GNUNET_YES
+#define VERBOSE_ARM GNUNET_NO
#define START_ARM GNUNET_YES
/**
- * How long until we give up on transmitting the message?
+ * How long until we really give up on a particular testcase portion?
+ */
+#define TOTAL_TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 360)
+
+/**
+ * How long until we give up on any particular operation (and retry)?
*/
-#define TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 50)
+#define BASE_TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 3)
#define MTYPE 12345
+struct RetryContext
+{
+ /**
+ * When to really abort the operation.
+ */
+ struct GNUNET_TIME_Absolute real_timeout;
+
+ /**
+ * What timeout to set for the current attempt (increases)
+ */
+ struct GNUNET_TIME_Relative next_timeout;
+
+ /**
+ * The context of the peer we are dealing with.
+ */
+ struct PeerContext *peer_ctx;
+
+ /**
+ * The task identifier of the retry task, so it can be cancelled.
+ */
+ GNUNET_SCHEDULER_TaskIdentifier retry_task;
+
+};
+
struct PeerContext
{
struct GNUNET_CONFIGURATION_Handle *cfg;
struct GNUNET_DHT_Handle *dht_handle;
struct GNUNET_PeerIdentity id;
- struct GNUNET_DHT_RouteHandle *get_handle;
- struct GNUNET_DHT_RouteHandle *find_peer_handle;
+ struct GNUNET_DHT_GetHandle *get_handle;
+ struct GNUNET_DHT_FindPeerHandle *find_peer_handle;
#if START_ARM
pid_t arm_pid;
static struct PeerContext p1;
+struct RetryContext retry_context;
+
static struct GNUNET_SCHEDULER_Handle *sched;
static int ok;
static void
-end ()
+end (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
{
- /* do work here */
GNUNET_SCHEDULER_cancel (sched, die_task);
-
- GNUNET_DHT_disconnect (p1.dht_handle);
-
die_task = GNUNET_SCHEDULER_NO_TASK;
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "DHT disconnected, returning success!\n");
+ GNUNET_DHT_disconnect (p1.dht_handle);
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "DHT disconnected, returning success!\n");
ok = 0;
}
{
/* do work here */
#if VERBOSE
- fprintf(stderr, "Ending on an unhappy note.\n");
+ fprintf (stderr, "Ending on an unhappy note.\n");
#endif
+ if ( (retry_context.peer_ctx != NULL) &&
+ (retry_context.peer_ctx->find_peer_handle != NULL) )
+ {
+ GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Stopping find peer request!\n");
+ GNUNET_DHT_find_peer_stop(retry_context.peer_ctx->find_peer_handle);
+ }
+ if ( (retry_context.peer_ctx != NULL) &&
+ (retry_context.peer_ctx->get_handle != NULL) )
+ {
+ GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Stopping get request!\n");
+ GNUNET_DHT_get_stop (retry_context.peer_ctx->get_handle);
+ }
+ if (retry_context.retry_task != GNUNET_SCHEDULER_NO_TASK)
+ GNUNET_SCHEDULER_cancel(sched, retry_context.retry_task);
GNUNET_DHT_disconnect (p1.dht_handle);
-
ok = 1;
- return;
}
* @param cls closure
* @param tc context information (why was this task triggered now)
*/
-void test_put (void *cls,
- const struct GNUNET_SCHEDULER_TaskContext * tc)
+void
+test_find_peer_stop (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
{
struct PeerContext *peer = cls;
- GNUNET_HashCode hash;
- char *data;
- size_t data_size = 42;
- memset(&hash, 42, sizeof(GNUNET_HashCode));
- data = GNUNET_malloc(data_size);
- memset(data, 43, data_size);
+
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Called test_find_peer_stop!\n");
+ if (tc->reason == GNUNET_SCHEDULER_REASON_TIMEOUT)
+ {
+ GNUNET_break (0);
+ GNUNET_SCHEDULER_cancel (sched, die_task);
+ GNUNET_SCHEDULER_add_now (sched, &end_badly, NULL);
+ return;
+ }
GNUNET_assert (peer->dht_handle != NULL);
- GNUNET_DHT_put(peer->dht_handle, &hash, 0, data_size, data, GNUNET_TIME_relative_to_absolute(GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, 360)) ,GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, 360), NULL, NULL);
+ GNUNET_DHT_find_peer_stop (peer->find_peer_handle);
+
+#if HAVE_MALICIOUS
+ GNUNET_DHT_set_malicious_getter (peer->dht_handle, GNUNET_TIME_UNIT_SECONDS);
+ GNUNET_DHT_set_malicious_putter (peer->dht_handle, GNUNET_TIME_UNIT_SECONDS);
+ GNUNET_DHT_set_malicious_dropper (peer->dht_handle);
+#endif
+ GNUNET_SCHEDULER_add_delayed(sched,
+ GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, 1),
+ &end, &p1);
+}
+
- //GNUNET_SCHEDULER_add_delayed(sched, GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, 1), &test_put, &p1);
+/**
+ * Iterator called on each result obtained from a find peer
+ * operation
+ *
+ * @param cls closure (NULL)
+ * @param peer the peer we learned about
+ * @param reply response
+ */
+void test_find_peer_processor (void *cls,
+ const struct GNUNET_HELLO_Message *hello)
+{
+ struct RetryContext *retry_ctx = cls;
+ struct GNUNET_PeerIdentity peer;
+
+ if (GNUNET_OK == GNUNET_HELLO_get_id(hello, &peer))
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "test_find_peer_processor called (peer `%s'), stopping find peer request!\n", GNUNET_i2s(&peer));
+
+ if (retry_ctx->retry_task != GNUNET_SCHEDULER_NO_TASK)
+ {
+ GNUNET_SCHEDULER_cancel(sched, retry_ctx->retry_task);
+ retry_ctx->retry_task = GNUNET_SCHEDULER_NO_TASK;
+ }
+
+ GNUNET_SCHEDULER_add_continuation (sched, &test_find_peer_stop, &p1,
+ GNUNET_SCHEDULER_REASON_PREREQ_DONE);
+ }
+ else
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "received find peer request, but hello_get_id failed!\n");
+ }
- GNUNET_SCHEDULER_add_now(sched, &end, NULL);
}
/**
- * Signature of the main function of a task.
+ * Retry the find_peer task on timeout. (Forward declaration)
+ *
+ * @param cls closure
+ * @param tc context information (why was this task triggered now?)
+ */
+void
+retry_find_peer_stop (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc);
+
+/**
+ * Retry the find_peer task on timeout.
*
* @param cls closure
* @param tc context information (why was this task triggered now)
*/
-void test_get_stop (void *cls,
- const struct GNUNET_SCHEDULER_TaskContext * tc)
+void
+retry_find_peer (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+{
+ struct RetryContext *retry_ctx = cls;
+ GNUNET_HashCode hash;
+ memset (&hash, 42, sizeof (GNUNET_HashCode));
+
+ if (GNUNET_TIME_absolute_get_remaining(retry_ctx->real_timeout).value > 0)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "test_find_peer timed out, retrying!\n");
+ retry_ctx->next_timeout = GNUNET_TIME_relative_multiply(retry_ctx->next_timeout, 2);
+ retry_ctx->peer_ctx->find_peer_handle
+ = GNUNET_DHT_find_peer_start (retry_ctx->peer_ctx->dht_handle,
+ retry_ctx->next_timeout, &hash,
+ GNUNET_DHT_RO_NONE,
+ &test_find_peer_processor, retry_ctx);
+ }
+ else
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "test_find_peer timed out for good, failing!\n");
+
+ retry_ctx->peer_ctx->find_peer_handle = NULL;
+ }
+
+ if (retry_ctx->peer_ctx->find_peer_handle == NULL)
+ {
+ GNUNET_break (0);
+ GNUNET_SCHEDULER_cancel (sched, die_task);
+ GNUNET_SCHEDULER_add_now (sched, &end_badly, &p1);
+ return;
+ }
+ retry_ctx->retry_task = GNUNET_SCHEDULER_add_delayed(sched, retry_ctx->next_timeout, &retry_find_peer_stop, retry_ctx);
+}
+
+/**
+ * Retry the find_peer task on timeout.
+ *
+ * @param cls closure
+ * @param tc context information (why was this task triggered now?)
+ */
+void
+retry_find_peer_stop (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+{
+ struct RetryContext *retry_ctx = cls;
+ GNUNET_HashCode hash;
+ memset (&hash, 42, sizeof (GNUNET_HashCode));
+
+ if (retry_ctx->peer_ctx->find_peer_handle != NULL)
+ {
+ GNUNET_DHT_find_peer_stop(retry_ctx->peer_ctx->find_peer_handle);
+ retry_ctx->peer_ctx->find_peer_handle = NULL;
+ }
+ GNUNET_SCHEDULER_add_now (sched, &retry_find_peer, retry_ctx);
+}
+
+/**
+ * Entry point for test of find_peer functionality.
+ *
+ * @param cls closure
+ * @param tc context information (why was this task triggered now)
+ */
+void
+test_find_peer (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
{
struct PeerContext *peer = cls;
GNUNET_HashCode hash;
- memset(&hash, 42, sizeof(GNUNET_HashCode));
+ memset (&hash, 42, sizeof (GNUNET_HashCode));
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Called test_find_peer!\n");
GNUNET_assert (peer->dht_handle != NULL);
- GNUNET_DHT_get_stop(peer->get_handle);
+ retry_context.real_timeout = GNUNET_TIME_relative_to_absolute(TOTAL_TIMEOUT);
+ retry_context.next_timeout = BASE_TIMEOUT;
+ retry_context.peer_ctx = peer;
+
+ peer->find_peer_handle
+ = GNUNET_DHT_find_peer_start (peer->dht_handle, retry_context.next_timeout,
+ &hash,
+ GNUNET_DHT_RO_DEMULTIPLEX_EVERYWHERE,
+ &test_find_peer_processor, &retry_context);
+
+ if (peer->find_peer_handle == NULL)
+ {
+ GNUNET_break (0);
+ GNUNET_SCHEDULER_cancel (sched, die_task);
+ GNUNET_SCHEDULER_add_now (sched, &end_badly, &p1);
+ return;
+ }
+ retry_context.retry_task = GNUNET_SCHEDULER_add_delayed(sched, retry_context.next_timeout, &retry_find_peer_stop, &retry_context);
+}
- //GNUNET_SCHEDULER_add_delayed(sched, GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, 1), &test_put, &p1);
- GNUNET_SCHEDULER_add_delayed(sched, GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, 1), &end, &p1);
+/**
+ * Signature of the main function of a task.
+ *
+ * @param cls closure
+ * @param tc context information (why was this task triggered now)
+ */
+void
+test_get_stop (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+{
+ struct PeerContext *peer = cls;
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Called test_get_stop!\n");
+ if (tc->reason == GNUNET_SCHEDULER_REASON_TIMEOUT)
+ {
+ GNUNET_break (0);
+ GNUNET_SCHEDULER_cancel (sched, die_task);
+ GNUNET_SCHEDULER_add_now (sched, &end_badly, NULL);
+ return;
+ }
+ GNUNET_assert (peer->dht_handle != NULL);
+ GNUNET_DHT_get_stop (peer->get_handle);
+ GNUNET_SCHEDULER_add_now(sched,
+ &test_find_peer,
+ &p1);
+}
+
+void
+test_get_iterator (void *cls,
+ struct GNUNET_TIME_Absolute exp,
+ const GNUNET_HashCode * key,
+ const struct GNUNET_PeerIdentity * const *get_path,
+ const struct GNUNET_PeerIdentity * const *put_path,
+ enum GNUNET_BLOCK_Type type,
+ size_t size, const void *data)
+{
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "test_get_iterator called (we got a result), stopping get request!\n");
+
+ GNUNET_SCHEDULER_add_continuation (sched, &test_get_stop, &p1,
+ GNUNET_SCHEDULER_REASON_PREREQ_DONE);
}
/**
* @param cls closure
* @param tc context information (why was this task triggered now)
*/
-void test_get (void *cls,
- const struct GNUNET_SCHEDULER_TaskContext * tc)
+void
+test_get (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
{
struct PeerContext *peer = cls;
GNUNET_HashCode hash;
- memset(&hash, 42, sizeof(GNUNET_HashCode));
+ memset (&hash, 42, sizeof (GNUNET_HashCode));
- peer->dht_handle = GNUNET_DHT_connect (sched, peer->cfg, 100);
- GNUNET_assert (peer->dht_handle != NULL);
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Called test_get!\n");
- peer->get_handle = GNUNET_DHT_get_start(peer->dht_handle, GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, 100), 42, &hash, NULL, NULL);
+ GNUNET_assert (peer->dht_handle != NULL);
+ retry_context.real_timeout = GNUNET_TIME_relative_to_absolute(TOTAL_TIMEOUT);
+ retry_context.next_timeout = BASE_TIMEOUT;
+
+ peer->get_handle =
+ GNUNET_DHT_get_start (peer->dht_handle,
+ TOTAL_TIMEOUT,
+ GNUNET_BLOCK_TYPE_TEST,
+ &hash,
+ GNUNET_DHT_RO_NONE,
+ NULL, 0,
+ NULL, 0,
+ &test_get_iterator, NULL);
if (peer->get_handle == NULL)
- GNUNET_SCHEDULER_add_now(sched, &end_badly, &p1);
+ {
+ GNUNET_break (0);
+ GNUNET_SCHEDULER_cancel (sched, die_task);
+ GNUNET_SCHEDULER_add_now (sched, &end_badly, &p1);
+ return;
+ }
+
+ retry_context.peer_ctx = peer;
+}
+
+/**
+ * Signature of the main function of a task.
+ *
+ * @param cls closure
+ * @param tc context information (why was this task triggered now)
+ */
+void
+test_put (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+{
+ struct PeerContext *peer = cls;
+ GNUNET_HashCode hash;
+ char *data;
+ size_t data_size = 42;
+ memset (&hash, 42, sizeof (GNUNET_HashCode));
+ data = GNUNET_malloc (data_size);
+ memset (data, 43, data_size);
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Called test_put!\n");
+ peer->dht_handle = GNUNET_DHT_connect (sched, peer->cfg, 100);
+
+ GNUNET_assert (peer->dht_handle != NULL);
- GNUNET_SCHEDULER_add_delayed(sched, GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, 1), &test_get_stop, &p1);
+ GNUNET_DHT_put (peer->dht_handle, &hash,
+ GNUNET_DHT_RO_NONE,
+ GNUNET_BLOCK_TYPE_TEST,
+ data_size, data,
+ GNUNET_TIME_relative_to_absolute (TOTAL_TIMEOUT),
+ TOTAL_TIMEOUT,
+ &test_get, &p1);
+ GNUNET_free(data);
}
static void
sched = s;
die_task = GNUNET_SCHEDULER_add_delayed (sched,
- GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_MINUTES, 1), &end_badly, NULL);
+ GNUNET_TIME_relative_multiply
+ (GNUNET_TIME_UNIT_MINUTES, 1),
+ &end_badly, NULL);
setup_peer (&p1, "test_dht_api_peer1.conf");
- GNUNET_SCHEDULER_add_delayed(sched, GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, 1), &test_get, &p1);
+ GNUNET_SCHEDULER_add_delayed (sched,
+ GNUNET_TIME_relative_multiply
+ (GNUNET_TIME_UNIT_SECONDS, 1), &test_put,
+ &p1);
}
static int
ok = 1;
GNUNET_PROGRAM_run ((sizeof (argv) / sizeof (char *)) - 1,
- argv, "test-dht-api", "nohelp",
- options, &run, &ok);
+ argv, "test-dht-api", "nohelp", options, &run, &ok);
stop_arm (&p1);
return ok;
}
NULL);
ret = check ();
- //GNUNET_DISK_directory_remove ("/tmp/test-gnunetd-dht-peer-1");
+ GNUNET_DISK_directory_remove ("/tmp/test-gnunetd-dht-peer-1");
return ret;
}
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