1 files changed, 168 insertions, 0 deletions

diff --git a/src/include/gnunet_zklaim_service.h b/src/include/gnunet_zklaim_service.h
new file mode 100644
index 000000000..6654555ab
--- /dev/null
+++ b/src/include/gnunet_zklaim_service.h
@@ -0,0 +1,168 @@
+/*
+     This file is part of GNUnet.
+     Copyright (C) 2016 GNUnet e.V.
+
+     GNUnet is free software: you can redistribute it and/or modify it
+     under the terms of the GNU Affero General Public License as published
+     by the Free Software Foundation, either version 3 of the License,
+     or (at your option) any later version.
+
+     GNUnet is distributed in the hope that it will be useful, but
+     WITHOUT ANY WARRANTY; without even the implied warranty of
+     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+     Affero General Public License for more details.
+
+     You should have received a copy of the GNU Affero General Public License
+     along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+/**
+ * @author Martin Schanzenbach
+ *
+ * @file
+ * ZKlaim service. Manage ZKlaim issuers etc.
+ *
+ * @defgroup zklaim  ZKlaim service
+ * @{
+ */
+#ifndef GNUNET_ZKLAIM_SERVICE_H
+#define GNUNET_ZKLAIM_SERVICE_H
+
+#ifdef __cplusplus
+extern "C"
+{
+#if 0                           /* keep Emacsens' auto-indent happy */
+}
+#endif
+#endif
+
+#include "gnunet_util_lib.h"
+
+/**
+ * Version number of GNUnet Identity Provider API.
+ */
+#define GNUNET_ZKLAIM_VERSION 0x00000000
+
+/**
+ * Handle to access the identity service.
+ */
+struct GNUNET_ZKLAIM_Handle;
+
+/**
+ * Handle for an operation with the zklaim service.
+ */
+struct GNUNET_ZKLAIM_Operation;
+
+/**
+ * Context
+ */
+struct GNUNET_ZKLAIM_Context;
+
+/**
+ * Connect to the ZKlaim service.
+ *
+ * @param cfg Configuration to contact the service.
+ * @return handle to communicate with the service
+ */
+struct GNUNET_ZKLAIM_Handle *
+GNUNET_ZKLAIM_connect (const struct GNUNET_CONFIGURATION_Handle *cfg);
+
+/**
+ * Iterator called for each attribute and data.
+ *
+ * @param cls closure
+ * @param name name of attribute
+ * @param data attribute data (can be modified)
+ */
+typedef void
+(*GNUNET_ZKLAIM_PayloadIterator) (void *cls,
+                                  const char* name,
+                                  uint64_t *data);
+
+
+
+/**
+ * Continuation called to notify client about result of the
+ * operation.
+ *
+ * @param cls closure
+ * @param success #GNUNET_SYSERR on failure (including timeout/queue drop/failure to validate)
+ *                #GNUNET_NO if content was already there or not found
+ *                #GNUNET_YES (or other positive value) on success
+ * @param emsg NULL on success, otherwise an error message
+ */
+typedef void
+(*GNUNET_ZKLAIM_ContextResult) (void *cls,
+                                const struct GNUNET_ZKLAIM_Context *ctx);
+
+
+
+/**
+ * Continuation called to notify client about result of the
+ * operation.
+ *
+ * @param cls closure
+ * @param success #GNUNET_SYSERR on failure (including timeout/queue drop/failure to validate)
+ *                #GNUNET_NO if content was already there or not found
+ *                #GNUNET_YES (or other positive value) on success
+ * @param emsg NULL on success, otherwise an error message
+ */
+typedef void
+(*GNUNET_ZKLAIM_ContinuationWithStatus) (void *cls,
+                                         int32_t success,
+                                         const char *emsg);
+
+
+/**
+ * Create a new issuer context
+ *
+ * @param h handle to the identity provider
+ * @param pkey private key of the identity
+ * @param attr the attribute
+ * @param exp_interval the relative expiration interval for the attribute
+ * @param cont continuation to call when done
+ * @param cont_cls closure for @a cont
+ * @return handle to abort the request
+ */
+struct GNUNET_ZKLAIM_Operation *
+GNUNET_ZKLAIM_context_create (struct GNUNET_ZKLAIM_Handle *h,
+                              const struct GNUNET_CRYPTO_EcdsaPrivateKey *pkey,
+                              const char *context_name,
+                              const char *attr_list,
+                              GNUNET_ZKLAIM_ContinuationWithStatus cont,
+                              void *cont_cls);
+
+/**
+ * Disconnect from service.
+ *
+ * @param h service to disconnect
+ */
+void
+GNUNET_ZKLAIM_disconnect (struct GNUNET_ZKLAIM_Handle *h);
+
+
+/**
+ * Cancel an operation.  Note that the operation MAY still
+ * be executed; this merely cancels the continuation; if the request
+ * was already transmitted, the service may still choose to complete
+ * the operation.
+ *
+ * @param op operation to cancel
+ */
+void
+GNUNET_ZKLAIM_cancel (struct GNUNET_ZKLAIM_Operation *op);
+
+#if 0                           /* keep Emacsens' auto-indent happy */
+{
+#endif
+#ifdef __cplusplus
+}
+#endif
+
+
+/* ifndef GNUNET_ZKLAIM_SERVICE_H */
+#endif
+
+/** @} */ /* end of group identity */
+
+/* end of gnunet_zklaim_service.h */