From 5b6a9fcaadf0a8be03367367625fdad7e9340998 Mon Sep 17 00:00:00 2001
From: Sree Harsha Totakura <totakura@in.tum.de>
Date: Sun, 14 Apr 2013 21:36:14 +0000
Subject: [PATCH] - input source for lstlisting in c tutorial

---
 doc/testbed_test.c | 124 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 124 insertions(+)
 create mode 100644 doc/testbed_test.c

diff --git a/doc/testbed_test.c b/doc/testbed_test.c
new file mode 100644
index 000000000..593c3c703
--- /dev/null
+++ b/doc/testbed_test.c
@@ -0,0 +1,124 @@
+#include <unistd.h>
+#include <gnunet/platform.h>
+#include <gnunet/gnunet_util_lib.h>
+#include <gnunet/gnunet_testbed_service.h>
+#include <gnunet/gnunet_dht_service.h>
+
+/* Number of peers we want to start */
+#define NUM_PEERS 20
+
+struct GNUNET_TESTBED_Operation *dht_op;
+
+struct GNUNET_DHT_Handle *dht_handle;
+
+GNUNET_SCHEDULER_TaskIdentifier shutdown_tid;
+
+struct MyContext
+{
+  int ht_len;
+} ctxt;
+
+static int result;
+
+static void 
+shutdown_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+{
+  shutdown_tid = GNUNET_SCHEDULER_NO_TASK;
+  if (NULL != dht_op)
+  {  
+    GNUNET_TESTBED_operation_done (dht_op); /* calls the dht_da() for closing
+                                               down the connection */
+    dht_op = NULL;
+  }
+  result = GNUNET_OK;
+  GNUNET_SCHEDULER_shutdown (); /* Also kills the testbed */
+}
+
+
+static void
+service_connect_comp (void *cls,
+                      struct GNUNET_TESTBED_Operation *op,
+                      void *ca_result,
+                      const char *emsg)
+{  
+  /* Service to DHT successful; do something */
+
+  GNUNET_SCHEDULER_cancel (shutdown_tid);
+  GNUNET_SCHEDULER_add_delayed 
+      (GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 10),
+       &shutdown_task, NULL);
+}
+
+
+static void *
+dht_ca (void *cls, const struct GNUNET_CONFIGURATION_Handle *cfg)
+{
+  struct MyContext *ctxt = cls;
+
+  /* Use the provided configuration to connect to service */
+  dht_handle = GNUNET_DHT_connect (cfg, ctxt->ht_len);  
+  return dht_handle;
+}
+
+
+static void 
+dht_da (void *cls, void *op_result)
+{
+  struct MyContext *ctxt = cls;
+  
+  /* Disconnect from DHT service */  
+  GNUNET_DHT_disconnect ((struct GNUNET_DHT_Handle *) op_result);
+  ctxt->ht_len = 0;
+  dht_handle = NULL;
+}
+
+static void
+test_master (void *cls, unsigned int num_peers,
+             struct GNUNET_TESTBED_Peer **peers,
+             unsigned int links_succeeeded,
+             unsigned int links_failed)
+{
+  /* Testbed is ready with peers running and connected in a pre-defined overlay
+     topology  */
+
+  /* do something */
+  ctxt.ht_len = 10;
+
+  /* connect to a peers service */
+  dht_op = GNUNET_TESTBED_service_connect 
+      (NULL,                    /* Closure for operation */
+       peers[0],                /* The peer whose service to connect to */
+       "dht",                   /* The name of the service */
+       service_connect_comp,    /* callback to call after a handle to service
+                                   is opened */
+       NULL,                    /* closure for the above callback */
+       dht_ca,                  /* callback to call with peer's configuration;
+                                   this should open the needed service connection */
+       dht_da,                  /* callback to be called when closing the
+                                   opened service connection */
+       &ctxt);                  /* closure for the above two callbacks */
+  shutdown_tid = GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_MINUTES,
+                                               &shutdown_task, NULL);
+}
+
+
+int
+main (int argc, char **argv)
+{
+  int ret;
+
+  result = GNUNET_SYSERR;
+  ret = GNUNET_TESTBED_test_run 
+      ("awesome-test",  /* test case name */
+       "template.conf", /* template configuration */
+       NUM_PEERS,       /* number of peers to start */
+       0LL, /* Event mask - set to 0 for no event notifications */
+       NULL, /* Controller event callback */
+       NULL, /* Closure for controller event callback */
+       &test_master, /* continuation callback to be called when testbed setup is
+                        complete */
+       NULL); /* Closure for the test_master callback */
+  if ( (GNUNET_OK != ret) || (GNUNET_OK != result) )
+    return 1;
+  return 0;
+}
-- 
2.25.1