starting to separate out response generation API and parsing APIs

1 files changed, 93 insertions, 0 deletions

diff --git a/src/mint/taler-mint-httpd_responses.h b/src/mint/taler-mint-httpd_responses.h
new file mode 100644
index 000000000..0e48341fd
--- /dev/null
+++ b/src/mint/taler-mint-httpd_responses.h
@@ -0,0 +1,93 @@
+/*
+  This file is part of TALER
+  (C) 2014 GNUnet e.V.
+
+  TALER 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, or (at your option) any later version.
+
+  TALER 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
+  TALER; see the file COPYING.  If not, If not, see <http://www.gnu.org/licenses/>
+*/
+
+/**
+ * @file taler-mint-httpd_responses.h
+ * @brief API for generating the various replies of the mint; these
+ *        functions are called TALER_MINT_reply_ and they generate
+ *        and queue MHD response objects for a given connection.
+ * @author Florian Dold
+ * @author Benedikt Mueller
+ * @author Christian Grothoff
+ */
+#ifndef TALER_MINT_HTTPD_RESPONSES_H
+#define TALER_MINT_HTTPD_RESPONSES_H
+#include <gnunet/gnunet_util_lib.h>
+#include <jansson.h>
+#include <microhttpd.h>
+#include <libpq-fe.h>
+#include <pthread.h>
+#include "taler-mint-httpd.h"
+#include "taler-mint-httpd_mhd.h"
+
+
+/**
+ * Send JSON object as response.  Decreases the reference count of the
+ * JSON object.
+ *
+ * @param connection the MHD connection
+ * @param json the json object
+ * @param response_code the http response code
+ * @return MHD result code
+ */
+int
+TALER_MINT_reply_json (struct MHD_Connection *connection,
+                       json_t *json,
+                       unsigned int response_code);
+
+
+/**
+ * Function to call to handle the request by building a JSON
+ * reply from a format string and varargs.
+ *
+ * @param connection the MHD connection to handle
+ * @param response_code HTTP response code to use
+ * @param fmt format string for pack
+ * @param ... varargs
+ * @return MHD result code
+ */
+int
+TALER_MINT_reply_json_pack (struct MHD_Connection *connection,
+                            unsigned int response_code,
+                            const char *fmt,
+                            ...);
+
+
+/**
+ * Send a response indicating an invalid argument.
+ *
+ * @param connection the MHD connection to use
+ * @param param_name the parameter that is invalid
+ * @return MHD result code
+ */
+int
+TALER_MINT_reply_arg_invalid (struct MHD_Connection *connection,
+                              const char *param_name);
+
+
+/**
+ * Send a response indicating a missing argument.
+ *
+ * @param connection the MHD connection to use
+ * @param param_name the parameter that is missing
+ * @return a MHD result code
+ */
+int
+TALER_MINT_reply_arg_missing (struct MHD_Connection *connection,
+                              const char *param_name);
+
+
+#endif