(no commit message)
[oweals/gnunet.git] / src / transport / test_plugin_transport_http.c
index bb064fd08f06a9862e87145eb8790030162bea08..76dd9b067df78c3f59bf48df72d527abffd82b35 100644 (file)
@@ -4,7 +4,7 @@
 
      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
@@ -25,6 +25,7 @@
 
 #include "platform.h"
 #include "gnunet_constants.h"
+#include "gnunet_common.h"
 #include "gnunet_getopt_lib.h"
 #include "gnunet_hello_lib.h"
 #include "gnunet_os_lib.h"
@@ -34,6 +35,8 @@
 #include "gnunet_program_lib.h"
 #include "gnunet_signatures.h"
 #include "gnunet_service_lib.h"
+#include "gnunet_crypto_lib.h"
+
 #include "plugin_transport.h"
 #include "gnunet_statistics_service.h"
 #include "transport.h"
@@ -42,6 +45,7 @@
 #define VERBOSE GNUNET_YES
 #define DEBUG GNUNET_NO
 #define DEBUG_CURL GNUNET_NO
+#define HTTP_BUFFER_SIZE 2048
 
 #define PLUGIN libgnunet_plugin_transport_template
 
 #define TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 90)
 
 /**
- * How long until we give up on transmitting the message?
+ * Testcase timeout
  */
-#define TEST_TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 10)
+#define TEST_TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 180)
 
 /**
  * How long between recieve and send?
  */
 #define WAIT_INTERVALL GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 1)
 
+
+
+/**
+ *  Struct for plugin addresses
+ */
+struct Plugin_Address
+{
+  /**
+   * Next field for linked list
+   */
+  struct Plugin_Address * next;
+
+  /**
+   * buffer containing data to send
+   */
+  void * addr;
+
+  /**
+   * amount of data to sent
+   */
+  size_t addrlen;
+};
+
 /**
  *  Message to send using http
  */
 struct HTTP_Message
 {
-  char *buf;
+  /**
+   * buffer
+   */
+  unsigned char buf[HTTP_BUFFER_SIZE];
+
+  /**
+   * current position in buffer
+   */
   size_t pos;
+
+  /**
+   * buffer size
+   */
   size_t size;
+
+  /**
+   * data size
+   */
   size_t len;
 };
 
+
+/**
+ *  Struct for plugin addresses
+ */
+struct HTTP_Transfer
+{
+  /**
+   * amount of bytes we recieved
+   */
+  size_t data_size;
+
+  /**
+   * buffer for http transfers
+   */
+  unsigned char buf[HTTP_BUFFER_SIZE];
+
+  /**
+   * buffer size this transfer
+   */
+  size_t size;
+
+  /**
+   * amount of bytes we recieved
+   */
+  size_t pos;
+
+  /**
+   * HTTP Header result for transfer
+   */
+  unsigned int http_result_code;
+
+  /**
+   * did the test fail?
+   */
+  unsigned int test_failed;
+
+  /**
+   * was this test already executed?
+   */
+  unsigned int test_executed;
+};
+
+
+/**
+ * Network format for IPv4 addresses.
+ */
+struct IPv4HttpAddress
+{
+  /**
+   * IPv4 address, in network byte order.
+   */
+  uint32_t ipv4_addr GNUNET_PACKED;
+
+  /**
+   * Port number, in network byte order.
+   */
+  uint16_t u_port GNUNET_PACKED;
+
+};
+
+
+/**
+ * Network format for IPv6 addresses.
+ */
+struct IPv6HttpAddress
+{
+  /**
+   * IPv6 address.
+   */
+  struct in6_addr ipv6_addr GNUNET_PACKED;
+
+  /**
+   * Port number, in network byte order.
+   */
+  uint16_t u6_port GNUNET_PACKED;
+
+};
+
 /**
  * Our public key.
  */
@@ -91,6 +211,15 @@ static struct GNUNET_PeerIdentity my_identity;
  */
 static struct GNUNET_CRYPTO_RsaPrivateKey *my_private_key;
 
+/**
+ * Peer's port
+ */
+static long long unsigned int port;
+
+/**
+ * Peer's addr
+ */
+static char * test_addr;
 
 /**
  * Our scheduler.
@@ -130,56 +259,18 @@ static GNUNET_SCHEDULER_TaskIdentifier ti_timeout;
 
 static GNUNET_SCHEDULER_TaskIdentifier ti_send;
 
-const struct GNUNET_PeerIdentity * p;
+//const struct GNUNET_PeerIdentity * p;
 
 /**
- *  Struct for plugin addresses
+ * buffer for data to send
  */
-struct Plugin_Address
-{
-  /**
-   * Next field for linked list
-   */
-  struct Plugin_Address * next;
-
-  /**
-   * buffer containing data to send
-   */
-  void * addr;
-
-  /**
-   * amount of data to sent
-   */
-  size_t addrlen;
-};
+static struct HTTP_Message buffer_out;
 
 /**
- *  Struct for plugin addresses
+ * buffer for data to recieve
  */
-struct HTTP_Transfer
-{
-  /**
-   * HTTP Header result for transfer
-   */
-  unsigned int http_result_code;
+static struct HTTP_Message buffer_in;
 
-  /**
-   * amount of bytes we recieved
-   */
-  size_t data_size;
-
-  unsigned char buf[2048];
-
-  /**
-   * amount of bytes we recieved
-   */
-  size_t pos;
-
-  size_t size;
-
-  unsigned int test_failed;
-
-};
 
 struct Plugin_Address * addr_head;
 
@@ -208,11 +299,65 @@ static int fail_pretty_printer_count;
 static int fail_addr_to_str;
 
 /**
- * Did the test pass or fail?
+ * No. of msgs transmitted successfully to local addresses
+ */
+static int fail_msgs_transmited_to_local_addrs;
+
+/**
+ * Test: transmit msg of max. size
  */
-static struct HTTP_Transfer testtransfer_no_ident;
+static int fail_msg_transmited_bigger_max_size;
 
+/**
+ * Test: transmit msg of max. size
+ */
+static int fail_msg_transmited_max_size;
+
+/**
+ * Test: transmit 2 msgs. in in send operation
+ */
+static int fail_multiple_msgs_in_transmission;
+
+/**
+ * Test: connect to peer without peer identification
+ */
+static struct HTTP_Transfer test_no_ident;
+
+/**
+ * Test: connect to peer without peer identification
+ */
+static struct HTTP_Transfer test_too_short_ident;
+
+/**
+ * Test: connect to peer without peer identification
+ */
+static struct HTTP_Transfer test_too_long_ident;
 
+/**
+ * Test: connect to peer with valid peer identification
+ */
+static struct HTTP_Transfer test_valid_ident;
+
+/**
+ * Test: session selection, use any existing
+ */
+static int fail_session_selection_any;
+
+/**
+ * Test: session selection, use existing inbound session
+ */
+static int fail_session_selection_session;
+
+/**
+ * Test: session selection, use existing inbound session
+ * max message, not fitting in send & recv buffers at one time
+ */
+static int fail_session_selection_session_big;
+
+/**
+* Test: session selection, use reliable existing
+ */
+static int fail_session_selection_reliable;
 
 /**
  * Did the test pass or fail?
@@ -220,9 +365,9 @@ static struct HTTP_Transfer testtransfer_no_ident;
 static int fail;
 
 /**
- * Recieved message already returned to sender?
+ * Number of local addresses
  */
-static int sent;
+static unsigned int count_str_addr;
 
 CURL *curl_handle;
 
@@ -231,11 +376,6 @@ CURL *curl_handle;
  */
 static CURLM *multi_handle;
 
-/**
- * Test message to send
- */
-struct HTTP_Message * msg;
-
 /**
  * The task sending data
  */
@@ -247,16 +387,52 @@ static GNUNET_SCHEDULER_TaskIdentifier http_task_send;
 static void
 shutdown_clean ()
 {
-  if ((fail_notify_address == GNUNET_NO) && (fail_pretty_printer == GNUNET_NO) && (fail_addr_to_str == GNUNET_NO) && (testtransfer_no_ident.test_failed == GNUNET_NO))
-    fail = 0;
-  else
+  struct Plugin_Address * cur;
+  struct Plugin_Address * tmp;
+
+  /* Evaluate results  */
+  fail = 0;
+  if ((fail_notify_address == GNUNET_YES) || (fail_pretty_printer == GNUNET_YES) || (fail_addr_to_str == GNUNET_YES))
+  {
+    GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Phase 0: Test plugin functions failed\n");
+    fail = 1;
+  }
+  if ((test_no_ident.test_failed == GNUNET_YES) || (test_too_short_ident.test_failed == GNUNET_YES) || (test_too_long_ident.test_failed == GNUNET_YES) || (test_valid_ident.test_failed == GNUNET_YES))
+  {
+    GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Phase 1: Test connect with wrong data failed\n");
     fail = 1;
+  }
+  if ((fail_session_selection_any != GNUNET_NO) || (fail_session_selection_reliable != GNUNET_NO) || (fail_session_selection_session != GNUNET_NO) || (fail_session_selection_session_big != GNUNET_NO))
+  {
+    GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Phase 2: Test session selection failed\n");
+    fail = 1;
+  }
+  if ((fail_msgs_transmited_to_local_addrs != count_str_addr) || (fail_multiple_msgs_in_transmission != 2) || (fail_msg_transmited_max_size == GNUNET_YES))
+  {
+    GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Phase 3: Test sending with plugin failed\n");
+    fail = 1;
+  }
+  if (fail != 1)
+  {
+    GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "All tests successful\n");
+  }
+
+  api->disconnect(api->cls,&my_identity);
 
   curl_multi_cleanup(multi_handle);
 
   if (NULL != curl_handle)
     curl_easy_cleanup (curl_handle);
 
+  /* cleaning addresses */
+  while (addr_head != NULL)
+  {
+    cur = addr_head;
+    tmp = addr_head->next;
+    GNUNET_free (addr_head->addr);
+    GNUNET_free (addr_head);
+    addr_head=tmp;
+  }
 
   if (ti_send != GNUNET_SCHEDULER_NO_TASK)
   {
@@ -275,58 +451,50 @@ shutdown_clean ()
     GNUNET_SCHEDULER_cancel(sched,ti_timeout);
     ti_timeout = GNUNET_SCHEDULER_NO_TASK;
   }
+
+  GNUNET_free(test_addr);
   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Unloading http plugin\n");
   GNUNET_assert (NULL == GNUNET_PLUGIN_unload ("libgnunet_plugin_transport_http", api));
 
   GNUNET_SCHEDULER_shutdown(sched);
-
-  GNUNET_free(msg->buf);
-  GNUNET_free(msg);
+  GNUNET_DISK_directory_remove ("/tmp/test_plugin_transport_http");
 
   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Exiting testcase\n");
   exit(fail);
   return;
 }
 
+
 /**
  * Continuation called after plugin send message
  * @cls closure
  * @target target
  * @result GNUNET_OK or GNUNET_SYSERR
  */
+
 static void task_send_cont (void *cls,
                             const struct GNUNET_PeerIdentity * target,
                             int result)
 {
-  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Message was sent!\n");
-  fail = GNUNET_NO;
-  shutdown_clean();
-}
-
-/**
- * Task sending recieved message back to peer
- * @cls closure
- * @tc task context
- */
-static void
-task_send (void *cls,
-            const struct GNUNET_SCHEDULER_TaskContext *tc)
-{
-  ti_timeout = GNUNET_SCHEDULER_NO_TASK;
-  if (0 != (tc->reason & GNUNET_SCHEDULER_REASON_SHUTDOWN))
-    return;
+  struct Plugin_Address * tmp_addr;
+  tmp_addr = addr_head;
 
-  if (GNUNET_YES==sent)
+  if ((cls == &fail_msg_transmited_bigger_max_size) && (result == GNUNET_SYSERR))
+  {
+    GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Message bigger max msg size was not sent!\n");
+    fail_msg_transmited_bigger_max_size = GNUNET_NO;
     return;
+  }
 
-  struct GNUNET_MessageHeader * msg = cls;
-  unsigned int len = ntohs(msg->size);
-  const char * msgc = (const char *) msg;
+  if ((cls == &fail_msg_transmited_max_size) && (result == GNUNET_OK))
+  {
+    GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Message with max msg size succesfully sent!\n",fail_msgs_transmited_to_local_addrs);
+    fail_msg_transmited_max_size = GNUNET_NO;
+  }
+}
 
-  api->send(api->cls, p, msgc, len, 0, TIMEOUT, NULL,NULL, 0, GNUNET_NO, &task_send_cont, NULL);
-  sent = GNUNET_YES;
 
-}
+static void run_connection_tests( int phase , void * cls);
 
 /**
  * Recieves messages from plugin, in real world transport
@@ -340,44 +508,75 @@ receive (void *cls,
          const char *sender_address,
          uint16_t sender_address_len)
 {
-  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Testcase recieved new message from peer `%s' with type %u and length %u\n",  GNUNET_i2s(peer),ntohs(message->type),ntohs(message->size));
+  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Testcase recieved new message from peer `%s' with type %u and length %u, session %X\n",  GNUNET_i2s(peer), ntohs(message->type), ntohs(message->size),session);
+
+  if ((ntohs(message->type)>=10) && (ntohs(message->type)<20))
+  {
+    fail_msgs_transmited_to_local_addrs++;
+    if (fail_msgs_transmited_to_local_addrs == count_str_addr)
+      run_connection_tests(2, session);
+  }
+
+
+  if ((ntohs(message->type)==20))
+  {
+    fail_session_selection_reliable = GNUNET_NO;
+  }
+
+  if ((ntohs(message->type)==21))
+  {
+    fail_session_selection_any = GNUNET_NO;
+  }
+  if ((ntohs(message->type)==22))
+  {
+    fail_session_selection_session = GNUNET_NO;
+  }
 
-  /* take recieved message and send it back to peer */
-  p = peer;
-  void * c = (void *) message;
-  ti_send =GNUNET_SCHEDULER_add_delayed (sched, WAIT_INTERVALL, &task_send, c);
+  if ((ntohs(message->type)==23))
+  {
+    fail_session_selection_session_big = GNUNET_NO;
+    run_connection_tests(3, NULL);
+  }
+
+  if ((ntohs(message->type)==30) || (ntohs(message->type)==31))
+  {
+    fail_multiple_msgs_in_transmission ++;
+  }
+
+  if ((ntohs(message->type)==32) && (ntohs(message->size) == GNUNET_SERVER_MAX_MESSAGE_SIZE-1))
+  {
+    fail_msg_transmited_max_size = GNUNET_NO;
+    shutdown_clean();
+  }
 
   return GNUNET_TIME_UNIT_ZERO;
 }
 
- int done;
-static size_t
-putBuffer (void *stream, size_t size, size_t nmemb, void *ptr)
+static size_t send_function (void *stream, size_t size, size_t nmemb, void *ptr)
 {
   unsigned int len;
-  struct HTTP_Message  * cbc = ptr;
 
-  len = cbc->len;
+  len = buffer_out.len;
 
-  if (( cbc->pos == len) && (len < (size * nmemb)))
+  if (( buffer_out.pos == len) || (len > (size * nmemb)))
     return 0;
-  memcpy(stream, cbc->buf, len);
-  cbc->pos = len;
+  memcpy(stream, buffer_out.buf, len);
+  buffer_out.pos = len;
   return len;
 }
 
-static size_t copyBuffer (void *ptr, size_t size, size_t nmemb, void *ctx)
+static size_t recv_function (void *ptr, size_t size, size_t nmemb, void *ctx)
 {
-  struct HTTP_Transfer * res = (struct HTTP_Transfer *) ctx;
-
-  res->data_size = size * nmemb;
 
-  if (res->pos + size * nmemb > res->size)
+  if (buffer_in.pos + size * nmemb > buffer_in.size)
     return 0;                   /* overflow */
-  memcpy (&res->buf[res->pos], ptr, size * nmemb);
-  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"Send completed. %s\n",res->buf);
-  res->pos += size * nmemb;
-  return size * nmemb;
+
+  buffer_in.len = size * nmemb;
+  memcpy (&buffer_in.buf[buffer_in.pos], ptr, size * nmemb);
+  buffer_in.pos += size * nmemb;
+  buffer_in.len = buffer_in.pos;
+  buffer_in.buf[buffer_in.pos] = '\0';
+  return buffer_in.pos;
 }
 
 static size_t header_function( void *ptr, size_t size, size_t nmemb, void *stream)
@@ -390,11 +589,29 @@ static size_t header_function( void *ptr, size_t size, size_t nmemb, void *strea
   memcpy(tmp,ptr,len);
   if (tmp[len-2] == 13)
     tmp[len-2]= '\0';
+#if DEBUG_CURL
+  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Header: `%s'\n",tmp);
+#endif
+  if (0==strcmp (tmp,"HTTP/1.1 100 Continue"))
+  {
+    res->http_result_code=100;
+  }
+  if (0==strcmp (tmp,"HTTP/1.1 200 OK"))
+  {
+    res->http_result_code=200;
+  }
+  if (0==strcmp (tmp,"HTTP/1.1 400 Bad Request"))
+  {
+    res->http_result_code=400;
+  }
   if (0==strcmp (tmp,"HTTP/1.1 404 Not Found"))
-    {
-    GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "404\n");
+  {
     res->http_result_code=404;
-    }
+  }
+  if (0==strcmp (tmp,"HTTP/1.1 413 Request entity too large"))
+  {
+    res->http_result_code=413;
+  }
 
   GNUNET_free (tmp);
   return size * nmemb;
@@ -402,6 +619,8 @@ static size_t header_function( void *ptr, size_t size, size_t nmemb, void *strea
 
 static size_t send_prepare( struct HTTP_Transfer * result);
 
+
+
 static void send_execute (void *cls,
              const struct GNUNET_SCHEDULER_TaskContext *tc)
 {
@@ -426,7 +645,6 @@ static void send_execute (void *cls,
             {
 
               msg = curl_multi_info_read (multi_handle, &running);
-              GNUNET_break (msg != NULL);
               if (msg == NULL)
                 break;
               /* get session for affected curl handle */
@@ -447,23 +665,56 @@ static void send_execute (void *cls,
                                __LINE__,
                                curl_easy_strerror (msg->data.result));
                     /* sending msg failed*/
+                    curl_easy_cleanup(curl_handle);
+                    curl_handle=NULL;
+
+                    run_connection_tests(0, NULL);
                     }
-                  else
+                  if (res == &test_no_ident)
+                  {
+                    if  ((res->http_result_code==404) && (buffer_in.len==208))
                     {
-                    GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Send completed %u\n", res->data_size);
-                    /* sending completed */
+                      GNUNET_log (GNUNET_ERROR_TYPE_INFO, _("Connecting to peer without any peer identification: test passed\n"));
+                      res->test_failed = GNUNET_NO;
                     }
-                  if (cls == &testtransfer_no_ident)
+                    else
+                      GNUNET_log (GNUNET_ERROR_TYPE_INFO, _("Connecting to peer without any peer identification: test failed\n"));
+                  }
+                  if (res == &test_too_short_ident)
                   {
-                    if  ((res->http_result_code==404) && (res->data_size==208))
+                    if  ((res->http_result_code==404) && (buffer_in.len==208))
+                    {
+                      GNUNET_log (GNUNET_ERROR_TYPE_INFO, _("Connecting to peer with too short peer identification: test passed\n"));
                       res->test_failed = GNUNET_NO;
+                    }
                     else
-                      res->test_failed = GNUNET_YES;
+                      GNUNET_log (GNUNET_ERROR_TYPE_INFO, _("Connecting to peer with too short peer identification: test failed\n"));
+                  }
+                  if (res == &test_too_long_ident)
+                  {
+                    if  ((res->http_result_code==404) && (buffer_in.len==208))
+                      {
+                      GNUNET_log (GNUNET_ERROR_TYPE_INFO, _("Connecting to peer with too long peer identification: test passed\n"));
+                      res->test_failed = GNUNET_NO;
+                      }
+                    else
+                      GNUNET_log (GNUNET_ERROR_TYPE_INFO, _("Connecting to peer with too long peer identification: test failed\n"));
+                  }
+                  if (res == &test_valid_ident)
+                  {
+                    if  ((res->http_result_code==200))
+                    {
+                      GNUNET_log (GNUNET_ERROR_TYPE_INFO, _("Connecting to peer with valid peer identification: test passed\n"));
+                      res->test_failed = GNUNET_NO;
+                    }
+                    else
+                      GNUNET_log (GNUNET_ERROR_TYPE_INFO, _("Connecting to peer with valid peer identification: test failed\n"));
                   }
-
                   curl_easy_cleanup(curl_handle);
                   curl_handle=NULL;
-                  shutdown_clean();
+                  if ((res == &test_valid_ident) && (res->test_failed == GNUNET_NO))
+                    run_connection_tests(1, NULL);
+                  run_connection_tests(0, NULL);
                   return;
                 default:
                   break;
@@ -538,7 +789,7 @@ static size_t send_prepare( struct HTTP_Transfer * result)
 /**
  * function to send data to server
  */
-static int send_data(struct HTTP_Message *msg, struct HTTP_Transfer * result, char * url)
+static int send_data( struct HTTP_Transfer * result, char * url)
 {
 
   curl_handle = curl_easy_init();
@@ -554,11 +805,11 @@ static int send_data(struct HTTP_Message *msg, struct HTTP_Transfer * result, ch
   curl_easy_setopt(curl_handle, CURLOPT_PUT, 1L);
   curl_easy_setopt (curl_handle, CURLOPT_HEADERFUNCTION, &header_function);
   curl_easy_setopt (curl_handle, CURLOPT_WRITEHEADER, result);
-  curl_easy_setopt (curl_handle, CURLOPT_WRITEFUNCTION, &copyBuffer);
+  curl_easy_setopt (curl_handle, CURLOPT_WRITEFUNCTION, &recv_function);
   curl_easy_setopt (curl_handle, CURLOPT_WRITEDATA, result);
-  curl_easy_setopt (curl_handle, CURLOPT_READFUNCTION, &putBuffer);
-  curl_easy_setopt (curl_handle, CURLOPT_READDATA, msg);
-  curl_easy_setopt(curl_handle, CURLOPT_INFILESIZE_LARGE, (curl_off_t) msg->len);
+  curl_easy_setopt (curl_handle, CURLOPT_READFUNCTION, &send_function);
+  curl_easy_setopt (curl_handle, CURLOPT_READDATA, result);
+  curl_easy_setopt(curl_handle, CURLOPT_INFILESIZE_LARGE, (curl_off_t) buffer_out.len);
   curl_easy_setopt(curl_handle, CURLOPT_TIMEOUT, 30);
   curl_easy_setopt(curl_handle, CURLOPT_CONNECTTIMEOUT, 20);
 
@@ -569,41 +820,6 @@ static int send_data(struct HTTP_Message *msg, struct HTTP_Transfer * result, ch
   return GNUNET_OK;
 }
 
-/**
- * Network format for IPv4 addresses.
- */
-struct IPv4HttpAddress
-{
-  /**
-   * IPv4 address, in network byte order.
-   */
-  uint32_t ipv4_addr;
-
-  /**
-   * Port number, in network byte order.
-   */
-  uint16_t u_port;
-
-};
-
-
-/**
- * Network format for IPv6 addresses.
- */
-struct IPv6HttpAddress
-{
-  /**
-   * IPv6 address.
-   */
-  struct in6_addr ipv6_addr;
-
-  /**
-   * Port number, in network byte order.
-   */
-  uint16_t u6_port;
-
-};
-
 /**
  * Plugin notifies transport (aka testcase) about its addresses
  */
@@ -631,7 +847,11 @@ notify_address (void *cls,
     }
   else
     {
-      GNUNET_break (0);
+    GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+                _("Unknown address size: ipv6 has %u ipv4 has %u but this has %u\n"),
+                sizeof (struct IPv6HttpAddress),
+                sizeof (struct IPv4HttpAddress),
+                addrlen);
       return;
     }
   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, 
@@ -661,6 +881,15 @@ notify_address (void *cls,
   fail_notify_address = GNUNET_NO;
 }
 
+static void
+plugin_env_session_end  (void *cls,
+                        const struct GNUNET_PeerIdentity *peer,
+                        struct Session *session)
+{
+         GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"Session ended: `%s' %X\n", GNUNET_i2s(peer), session);
+}
+
+
 /**
  * Setup plugin environment
  */
@@ -675,6 +904,7 @@ setup_plugin_environment ()
   env.receive = &receive;
   env.notify_address = &notify_address;
   env.max_connections = max_connect_per_transport;
+  env.session_end = &plugin_env_session_end;
 }
 
 
@@ -704,6 +934,179 @@ static void pretty_printer_cb (void *cls,
   fail_pretty_printer_count++;
 }
 
+/**
+ * Runs every single test to test the plugin
+ */
+static void run_connection_tests( int phase , void * cls)
+{
+  struct GNUNET_MessageHeader * msg;
+  unsigned int size;
+
+  if (phase==0)
+  {
+    char * host_str = NULL;
+    /* resetting buffers */
+    buffer_in.size = HTTP_BUFFER_SIZE;
+    buffer_in.pos = 0;
+    buffer_in.len = 0;
+
+    buffer_out.size = HTTP_BUFFER_SIZE;
+    buffer_out.pos = 0;
+    buffer_out.len = 0;
+
+    if (test_no_ident.test_executed == GNUNET_NO)
+    {
+      /* Connecting to peer without identification */
+      char * ident = "";
+      GNUNET_asprintf (&host_str, "http://%s/%s",test_addr,ident);
+      GNUNET_log (GNUNET_ERROR_TYPE_INFO, _("Connecting to peer without any peer identification.\n"));
+      test_no_ident.test_executed = GNUNET_YES;
+      send_data ( &test_no_ident, host_str);
+      GNUNET_free (host_str);
+      return;
+    }
+    if (test_too_short_ident.test_executed == GNUNET_NO)
+    {
+      char * ident = "AAAAAAAAAA";
+      /* Connecting to peer with too short identification */
+      GNUNET_asprintf (&host_str, "http://%s/%s",test_addr,ident);
+      GNUNET_log (GNUNET_ERROR_TYPE_INFO, _("Connecting to peer with too short peer identification.\n"));
+      test_too_short_ident.test_executed = GNUNET_YES;
+      send_data ( &test_too_short_ident, host_str);
+      GNUNET_free (host_str);
+      return;
+    }
+
+    if (test_too_long_ident.test_executed == GNUNET_NO)
+    {
+      char * ident = "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA";
+
+      /* Connecting to peer with too long identification */
+      GNUNET_asprintf (&host_str, "http://%s/%s",test_addr,ident);
+      GNUNET_log (GNUNET_ERROR_TYPE_INFO, _("Connecting to peer with too long peer identification.\n"));
+      test_too_long_ident.test_executed = GNUNET_YES;
+      send_data ( &test_too_long_ident, host_str);
+      GNUNET_free (host_str);
+      return;
+    }
+    if (test_valid_ident.test_executed == GNUNET_NO)
+    {
+      struct GNUNET_CRYPTO_HashAsciiEncoded ident;
+      GNUNET_CRYPTO_hash_to_enc(&my_identity.hashPubKey,&ident);
+      GNUNET_asprintf (&host_str, "http://%s/%s%s",test_addr,(char *) &ident,";0");
+      GNUNET_log (GNUNET_ERROR_TYPE_INFO, _("Connecting to peer with valid peer identification.\n"));
+      test_valid_ident.test_executed = GNUNET_YES;
+      send_data ( &test_valid_ident, host_str);
+      GNUNET_free (host_str);
+      return;
+    }
+  }
+  if (phase==1)
+  {
+    GNUNET_log (GNUNET_ERROR_TYPE_INFO, _("\nPhase 1: transmit data to all suggested addresses\n\n"));
+    /* Using one of the addresses the plugin proposed */
+    GNUNET_assert (addr_head->addr != NULL);
+
+    struct Plugin_Address * tmp_addr;
+    struct GNUNET_MessageHeader msg;
+    char * tmp = GNUNET_malloc(sizeof(struct GNUNET_MessageHeader));
+    char address[INET6_ADDRSTRLEN];
+    unsigned int port;
+    unsigned int type = 10;
+
+    msg.size=htons(sizeof(struct GNUNET_MessageHeader));
+    tmp_addr = addr_head;
+    /* send a message to all addresses advertised by plugin */
+
+    int count = 0;
+    while (tmp_addr != NULL)
+    {
+      if (tmp_addr->addrlen == (sizeof (struct IPv4HttpAddress)))
+        {
+          inet_ntop(AF_INET, (struct in_addr *) tmp_addr->addr,address,INET_ADDRSTRLEN);
+          port = ntohs(((struct IPv4HttpAddress *) tmp_addr->addr)->u_port);
+          GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"Sending message to addres no. %u: `%s':%u\n", count,address, port);
+        }
+      if (tmp_addr->addrlen == (sizeof (struct IPv6HttpAddress)))
+        {
+          inet_ntop(AF_INET6, (struct in6_addr *) tmp_addr->addr,address,INET6_ADDRSTRLEN);
+          port = ntohs(((struct IPv6HttpAddress *) tmp_addr->addr)->u6_port);
+          GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"Sending message to addres no. %u: `%s':%u\n", count,address,port);
+        }
+      msg.type=htons(type);
+      memcpy(tmp,&msg,sizeof(struct GNUNET_MessageHeader));
+      api->send(api->cls, &my_identity, tmp, sizeof(struct GNUNET_MessageHeader), 0, TIMEOUT, NULL,tmp_addr->addr, tmp_addr->addrlen, GNUNET_YES, &task_send_cont, &fail_msgs_transmited_to_local_addrs);
+      tmp_addr = tmp_addr->next;
+
+      count ++;
+      type ++;
+    }
+    return;
+  }
+
+  if (phase==2)
+  {
+    struct Session * session = cls;
+    msg = GNUNET_malloc (sizeof(struct GNUNET_MessageHeader));
+
+    GNUNET_log (GNUNET_ERROR_TYPE_INFO, _("\nPhase 2: session selection\n\n"));
+    size = sizeof(struct GNUNET_MessageHeader);
+    msg->size=htons(size);
+    msg->type = htons(20);
+    api->send(api->cls, &my_identity, (const char *) msg, size, 0, TIMEOUT, NULL, NULL, 0, GNUNET_NO, &task_send_cont, NULL);
+
+    msg->type = htons(21);
+    api->send(api->cls, &my_identity, (const char *) msg, size, 0, TIMEOUT, NULL, NULL, 0, GNUNET_SYSERR, &task_send_cont, NULL);
+
+    /* answer on session*/
+    size = sizeof( struct GNUNET_MessageHeader);
+    msg->size = htons(size);
+    msg->type = htons(22);
+    api->send(api->cls, &my_identity, (const char *) msg, size, 0, TIMEOUT, session, NULL, 0, GNUNET_SYSERR, &task_send_cont, NULL);
+
+    GNUNET_free(msg);
+
+    /* answer on session with big message not fitting in mhd send buffer*/
+    size = GNUNET_SERVER_MAX_MESSAGE_SIZE-1;
+    msg = GNUNET_malloc (size);
+    msg->size=htons(size);
+    msg->type = htons(23);
+    api->send(api->cls, &my_identity, (const char *) msg, size, 0, TIMEOUT, session, NULL, 0, GNUNET_NO, &task_send_cont, NULL);
+    GNUNET_free(msg);
+    return;
+  }
+
+  if (phase==3)
+  {
+
+    GNUNET_log (GNUNET_ERROR_TYPE_INFO, _("\nPhase 3: send multiple or big messages after disconnect\n\n"));
+    /* disconnect from peer, so new connections are created */
+    //GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"Disconnect from peer: `%s'\n", GNUNET_i2s(&my_identity));
+    //api->disconnect(api->cls, &my_identity);
+
+    /* send a multiple GNUNET_messages at a time*/
+
+    size = 2 * sizeof(struct GNUNET_MessageHeader);
+    msg = GNUNET_malloc( 2* size);
+    msg->size = htons(size);
+    msg->type = htons(30);
+    struct GNUNET_MessageHeader * msg2 = &msg[2];
+    msg2->size = htons(2 * sizeof(struct GNUNET_MessageHeader));
+    msg2->type = htons(31);
+    api->send(api->cls, &my_identity, (const char *) msg, 4 * sizeof(struct GNUNET_MessageHeader), 0, TIMEOUT, NULL,addr_head->addr, addr_head->addrlen, GNUNET_NO, &task_send_cont, &fail_multiple_msgs_in_transmission);
+    GNUNET_free(msg);
+    /* send a message with size GNUNET_SERVER_MAX_MESSAGE_SIZE-1  */
+
+    size = GNUNET_SERVER_MAX_MESSAGE_SIZE-1;
+    msg = GNUNET_malloc(size);
+    msg->size = htons(size);
+    msg->type = htons(32);
+    api->send(api->cls, &my_identity, (const char *) msg, size, 0, TIMEOUT, NULL,addr_head->addr, addr_head->addrlen, GNUNET_NO, &task_send_cont, &fail_msg_transmited_max_size);
+    GNUNET_free(msg);
+  }
+  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"No more tests to run\n");
+}
+
 
 /**
  * Runs the test.
@@ -724,17 +1127,21 @@ run (void *cls,
   char *keyfile;
   unsigned long long tneigh;
   struct Plugin_Address * cur;
-  struct Plugin_Address * tmp;
   const char * addr_str;
-  char * host_str;
-  unsigned int count_str_addr;
+
+
   unsigned int suggest_res;
-  unsigned int res;
-  long long unsigned int port;
 
   fail_pretty_printer = GNUNET_YES;
   fail_notify_address = GNUNET_YES;
   fail_addr_to_str = GNUNET_YES;
+  fail_msgs_transmited_to_local_addrs = 0;
+  fail_msg_transmited_max_size = GNUNET_YES;
+  fail_multiple_msgs_in_transmission = 0;
+  fail_session_selection_reliable = GNUNET_YES;
+  fail_session_selection_reliable = GNUNET_YES;
+  fail_session_selection_session = GNUNET_YES;
+  fail_session_selection_session_big = GNUNET_YES;
 
   addr_head = NULL;
   count_str_addr = 0;
@@ -756,6 +1163,21 @@ run (void *cls,
       fail = 1;
       return;
     }
+
+  if ((GNUNET_OK !=
+      GNUNET_CONFIGURATION_get_value_number (cfg,
+                                             "transport-http",
+                                             "PORT",
+                                             &port)) ||
+     (port > 65535) || (port == 0))
+  {
+    GNUNET_log_from (GNUNET_ERROR_TYPE_ERROR,
+                     "http",
+                     _
+                     ("Require valid port number for transport plugin `%s' in configuration!\n"),
+                     "transport-http");
+  }
+
   max_connect_per_transport = (uint32_t) tneigh;
   my_private_key = GNUNET_CRYPTO_rsa_key_create_from_file (keyfile);
   GNUNET_free (keyfile);
@@ -767,9 +1189,14 @@ run (void *cls,
       fail = 1;
       return;
     }
+
   GNUNET_CRYPTO_rsa_key_get_public (my_private_key, &my_public_key);
-  GNUNET_CRYPTO_hash (&my_public_key,
-                      sizeof (my_public_key), &my_identity.hashPubKey);
+  GNUNET_CRYPTO_hash (&my_public_key, sizeof (my_public_key), &my_identity.hashPubKey);
+
+  /* assertions before start */
+  GNUNET_assert ((port > 0) && (port <= 65535));
+  GNUNET_assert(&my_public_key != NULL);
+  GNUNET_assert(&my_identity.hashPubKey != NULL);
 
   /* load plugins... */
   setup_plugin_environment ();
@@ -792,26 +1219,21 @@ run (void *cls,
   GNUNET_log (GNUNET_ERROR_TYPE_INFO, _("Transport plugin returned %u addresses to connect to\n"),  fail_notify_address_count);
 
   /* testing pretty printer with all addresses obtained from the plugin*/
-  while (addr_head != NULL)
+  cur = addr_head;
+  while (cur != NULL)
   {
-    cur = addr_head;
 
-    api->address_pretty_printer (NULL,"http",cur->addr,cur->addrlen,GNUNET_NO,TEST_TIMEOUT,&pretty_printer_cb,NULL);
-    addr_str = api->address_to_string (NULL,cur->addr,cur->addrlen);
-    suggest_res = api->check_address (NULL,cur->addr,cur->addrlen);
+    api->address_pretty_printer (api->cls, "http",cur->addr,cur->addrlen, GNUNET_NO,TEST_TIMEOUT, &pretty_printer_cb,NULL);
+    addr_str = api->address_to_string (api->cls, cur->addr, cur->addrlen);
+    suggest_res = api->check_address (api->cls, cur->addr, cur->addrlen);
 
     GNUNET_assert (GNUNET_OK == suggest_res);
     GNUNET_assert (NULL != addr_str);
     count_str_addr++;
-
-    tmp = addr_head->next;
-    GNUNET_free (addr_head->addr);
-    GNUNET_free (addr_head);
-    GNUNET_free ((char *) addr_str);
-    addr_head=tmp;
+    GNUNET_free ( (char *) addr_str);
+    cur = cur->next;
   }
-
-
+  GNUNET_assert (fail_pretty_printer_count > 0);
   GNUNET_assert (fail_pretty_printer_count==fail_notify_address_count);
   GNUNET_assert (fail_pretty_printer_count==count_str_addr);
   fail_pretty_printer=GNUNET_NO;
@@ -819,62 +1241,59 @@ run (void *cls,
 
   /* Suggesting addresses with wrong port*/
   struct IPv4HttpAddress failing_addr;
-  failing_addr.ipv4_addr = INADDR_LOOPBACK;
-  failing_addr.u_port = 0;
-  suggest_res = api->check_address (NULL,&failing_addr,sizeof (struct IPv4HttpAddress));
+  failing_addr.ipv4_addr = htonl(INADDR_LOOPBACK);
+  failing_addr.u_port = htons(0);
+  suggest_res = api->check_address (api->cls,&failing_addr,sizeof (struct IPv4HttpAddress));
   GNUNET_assert (GNUNET_SYSERR == suggest_res);
 
   /* Suggesting addresses with wrong size*/
-  failing_addr.ipv4_addr = INADDR_LOOPBACK;
-  failing_addr.u_port = 0;
-  suggest_res = api->check_address (NULL,&failing_addr,sizeof (struct IPv6HttpAddress));
+  failing_addr.ipv4_addr = htonl(INADDR_LOOPBACK);
+  failing_addr.u_port = htons(0);
+  suggest_res = api->check_address (api->cls,&failing_addr,sizeof (struct IPv6HttpAddress));
   GNUNET_assert (GNUNET_SYSERR == suggest_res);
 
   /* Suggesting addresses with wrong address*/
-  failing_addr.ipv4_addr = 0;
-  failing_addr.u_port = 12389;
-  suggest_res = api->check_address (NULL,&failing_addr,sizeof (struct IPv4HttpAddress));
+  failing_addr.ipv4_addr = htonl(INADDR_LOOPBACK);
+  failing_addr.u_port = htons(12389);
+  suggest_res = api->check_address (api->cls,&failing_addr,sizeof (struct IPv4HttpAddress));
   GNUNET_assert (GNUNET_SYSERR == suggest_res);
 
   /* test sending to client */
   multi_handle = curl_multi_init();
 
-  /*building messages */
-  msg = GNUNET_malloc (sizeof (struct HTTP_Message));
-  msg->size = 2048;
-  msg->pos = 0;
-  msg->buf = GNUNET_malloc (2048);
-  testtransfer_no_ident.size=2048;
-  testtransfer_no_ident.test_failed = GNUNET_YES;
+  /* Setting up buffers */
+  buffer_in.size = HTTP_BUFFER_SIZE;
+  buffer_in.pos = 0;
+  buffer_in.len = 0;
 
+  buffer_out.size = HTTP_BUFFER_SIZE;
+  buffer_out.pos = 0;
+  buffer_out.len = 0;
 
-  if ((GNUNET_OK !=
-      GNUNET_CONFIGURATION_get_value_number (cfg,
-                                             "transport-http",
-                                             "PORT",
-                                             &port)) ||
-     (port > 65535) )
-  {
-    GNUNET_log_from (GNUNET_ERROR_TYPE_ERROR,
-                     "http",
-                     _
-                     ("Require valid port number for transport plugin `%s' in configuration!\n"),
-                     "transport-http");
-  }
+  /* Setting up connection tests */
 
-  /* Connecting to peer without identification */
-  host_str = GNUNET_malloc (strlen ("http://localhost:12389/"));
-  GNUNET_asprintf (&host_str, "http://localhost:%u/",port);
-  GNUNET_log (GNUNET_ERROR_TYPE_INFO, _("Connecting to peer %s without any peer identification.\n"), host_str);
-  res = send_data (msg, &testtransfer_no_ident, host_str);
-  GNUNET_free (host_str);
+  /* Test: connecting without a peer identification */
+  test_no_ident.test_executed = GNUNET_NO;
+  test_no_ident.test_failed = GNUNET_YES;
 
+  /* Test: connecting with too short peer identification */
+  test_too_short_ident.test_executed = GNUNET_NO;
+  test_too_short_ident.test_failed = GNUNET_YES;
 
-  /* Add more tests */
+  /* Test: connecting with too long peer identification */
+  test_too_long_ident.test_executed = GNUNET_NO;
+  test_too_long_ident.test_failed = GNUNET_YES;
 
-  /* testing finished */
+  /* Test: connecting with valid identification */
+  test_valid_ident.test_executed = GNUNET_NO;
+  test_valid_ident.test_failed = GNUNET_YES;
+
+  test_addr = (char *) api->address_to_string (api->cls,addr_head->addr,addr_head->addrlen);
 
+  GNUNET_log (GNUNET_ERROR_TYPE_INFO, _("\nPhase 0\n\n"));
+  run_connection_tests(0, NULL);
 
+  /* testing finished */
 
   return;
 }