[GNUnet-SVN] [taler-twister] branch master updated: porting 'delete-path'

[gnunet]

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marcello pushed a commit to branch master
in repository twister.

The following commit(s) were added to refs/heads/master by this push:
     new 2363d21  porting 'delete-path'
2363d21 is described below

commit 2363d21cc073208b45a22b010a3da090cb1b77b0
Author: Marcello Stanisci <address@hidden>
AuthorDate: Fri Jun 14 23:19:12 2019 +0200

    porting 'delete-path'
---
 src/twister/taler-twister-service.c | 75 +++++++++++++++++++++++++++----------
 src/twister/twister.h               | 11 ------
 src/twister/twister_api.c           | 23 ++++++++----
 3 files changed, 70 insertions(+), 39 deletions(-)

diff --git a/src/twister/taler-twister-service.c 
b/src/twister/taler-twister-service.c
index 034fa5a..f6a3b04 100644
--- a/src/twister/taler-twister-service.c
+++ b/src/twister/taler-twister-service.c
@@ -315,7 +315,7 @@ static unsigned int hack_response_code;
  * Will point to a JSON object to delete.  Only cares about
  * _download_ objects.
  */
-static char delete_path[TWISTER_PATH_LENGTH] = {'\0'};
+static char *delete_path = NULL;
 
 /**
  * Will point to a JSON _string_ object
@@ -1250,10 +1250,9 @@ flip_object (struct MHD_Connection *con,
  *
  * @param con FIXME deprecated.
  * @param hr contains the object whose field will be deleted.
- * @return MHD_YES / MHD_NO depending on successful / failing
- *         response queueing.
+ * @return GNUNET_OK when the path was found, and deleted.
  */
-static void
+static int
 delete_object (struct MHD_Connection *con,
                struct HttpRequest *hr)
 {
@@ -1264,7 +1263,11 @@ delete_object (struct MHD_Connection *con,
                                 &parent,
                                 &target,
                                 hr->json))
-    return;
+  {
+    TALER_LOG_INFO ("Path (%s) was not found on this object\n",
+                    delete_path);
+    return GNUNET_NO;
+  }
 
   /* here, element is the parent of the element to be deleted. */
   int ret_deletion = -1;
@@ -1279,12 +1282,15 @@ delete_object (struct MHD_Connection *con,
                                        NULL,
                                        10));
   }
-  if (-1 == ret_deletion)
-    TALER_LOG_WARNING ("Could not delete '%s'\n", target);
-
-  delete_path[0] = '\0';
   GNUNET_free (target);
-  return;
+
+  if (-1 == ret_deletion)
+  {
+    TALER_LOG_WARNING ("Could not delete '%s'\n",
+                       target);
+    return GNUNET_SYSERR;
+  }
+  return GNUNET_OK;
 }
 
 /**
@@ -1823,12 +1829,16 @@ create_response (void *cls,
     }
   }
 
-  if ('\0' != delete_path[0])
+  if (NULL != delete_path)
   {
     TALER_LOG_DEBUG ("Will delete path: %s\n",
                      delete_path);
-    delete_object (con,
-                   hr);
+    if (GNUNET_OK == delete_object (con,
+                                    hr))
+    {
+      GNUNET_free (delete_path);
+      delete_path = NULL;
+    }
   }
 
   if ('\0' != modify_path_dl[0])
@@ -2678,6 +2688,19 @@ handle_flip_path_ul (void *cls,
   send_acknowledgement (c);
 }
 
+/**
+ * Control handler for deleting JSON fields from response objects
+ *
+ * @param cls message queue for sending replies
+ * @param src received message
+ */
+static int
+check_delete_path (void *cls,
+                   const struct TWISTER_DeletePath *src)
+{
+  return GNUNET_OK;
+}
+
 
 /**
  * Control handler for deleting JSON fields from response objects
@@ -2690,8 +2713,19 @@ handle_delete_path (void *cls,
                     const struct TWISTER_DeletePath *src)
 {
   struct GNUNET_SERVICE_Client *c = cls;
+  uint16_t tailsize;
+  char *payload;
+
+  tailsize = ntohs (src->header.size) - sizeof (*src);
+
+  GNUNET_assert
+    (tailsize == GNUNET_STRINGS_buffer_tokenize
+      ((const char *) &src[1],
+       tailsize,
+       1,
+       &payload));
+  delete_path = GNUNET_strdup (payload);
 
-  strcpy (delete_path, src->path);
   send_acknowledgement (c);
 }
 
@@ -2703,8 +2737,9 @@ handle_delete_path (void *cls,
  * @param src received message
  */
 static void
-handle_set_response_code (void *cls,
-                          const struct TWISTER_SetResponseCode *src)
+handle_set_response_code
+  (void *cls,
+   const struct TWISTER_SetResponseCode *src)
 {
   struct GNUNET_SERVICE_Client *c = cls;
 
@@ -2748,10 +2783,10 @@ GNUNET_SERVICE_MAIN
                          struct TWISTER_Malform,
                          NULL),
 
- GNUNET_MQ_hd_fixed_size (delete_path,
-                         TWISTER_MESSAGE_TYPE_DELETE_PATH,
-                         struct TWISTER_DeletePath,
-                         NULL),
+ GNUNET_MQ_hd_var_size (delete_path,
+                       TWISTER_MESSAGE_TYPE_DELETE_PATH,
+                       struct TWISTER_DeletePath,
+                       NULL),
 
  GNUNET_MQ_hd_var_size (flip_path_ul,
                        TWISTER_MESSAGE_TYPE_FLIP_PATH_UL,
diff --git a/src/twister/twister.h b/src/twister/twister.h
index 8c6c044..01f9363 100644
--- a/src/twister/twister.h
+++ b/src/twister/twister.h
@@ -125,17 +125,6 @@ struct TWISTER_DeletePath
    * Type: #TWISTER_MESSAGE_TYPE_DELETE_PATH
    */
   struct GNUNET_MessageHeader header;
-
-  /**
-   * The new response code, in big endian.
-   */
-  char path[TWISTER_PATH_LENGTH];
-
-  /**
-   * New value to use in place of the original.
-   */
-  char value[TWISTER_VALUE_LENGTH];
-
 };
 GNUNET_NETWORK_STRUCT_END
 
diff --git a/src/twister/twister_api.c b/src/twister/twister_api.c
index 978e7d1..4beaff5 100644
--- a/src/twister/twister_api.c
+++ b/src/twister/twister_api.c
@@ -33,7 +33,6 @@
   GNUNET_log_from (kind, "twister-api",__VA_ARGS__)
 
 
-
 /**
  * Opaque handle for asynchronous operation.
  */
@@ -422,6 +421,7 @@ TALER_TWISTER_delete_path
   struct TALER_TWISTER_Operation *op;
   struct GNUNET_MQ_Envelope *env;
   struct TWISTER_DeletePath *src; //FIXME 'src' right name?
+  uint16_t stralloc;
 
   op = GNUNET_new (struct TALER_TWISTER_Operation);
   op->h = h;
@@ -430,12 +430,20 @@ TALER_TWISTER_delete_path
   GNUNET_CONTAINER_DLL_insert_tail (h->op_head,
                                     h->op_tail,
                                     op);
-  /* Prepare *env*elope. */
-  env = GNUNET_MQ_msg
-    (src, TWISTER_MESSAGE_TYPE_DELETE_PATH);
-  /* Put data into the envelope. */
-  strcpy (src->path, path);
-  /* Send message. */
+
+  stralloc = strlen (path) + 1;
+
+
+  GNUNET_assert
+    (stralloc + sizeof (struct TWISTER_DeletePath) < UINT16_MAX);
+  env = GNUNET_MQ_msg_extra (src,
+                             stralloc,
+                             TWISTER_MESSAGE_TYPE_DELETE_PATH);
+  GNUNET_assert
+    (stralloc == GNUNET_STRINGS_buffer_fill ((char *) &src[1],
+                                             stralloc,
+                                             1,
+                                             path));
   GNUNET_MQ_send (h->mq, env);
   return op;
 }
@@ -470,7 +478,6 @@ TALER_TWISTER_modify_path_dl (struct TALER_TWISTER_Handle 
*h,
   GNUNET_CONTAINER_DLL_insert_tail (h->op_head,
                                     h->op_tail,
                                     op);
-  /* Prepare *env*elope. */
   env = GNUNET_MQ_msg
     (src, TWISTER_MESSAGE_TYPE_MODIFY_PATH_DL);
   /* Put data into the envelope. */

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