From 4d2faa5ec92213efc4ee40f707ab0ad3615e5433 Mon Sep 17 00:00:00 2001
From: Christian Grothoff <christian@grothoff.org>
Date: Fri, 3 Mar 2017 19:23:34 +0100
Subject: changing wire plugin specification from [exchange]WIREFORMAT to
 [exchange-wire-PLUGIN]enable=YES/NO

---
 src/wire/wire-sepa.conf |  6 ++++
 src/wire/wire-test.conf |  6 ++++
 src/wire/wire.c         | 78 ++++++++++++++++++++++++++++++++++++++++++++++++-
 3 files changed, 89 insertions(+), 1 deletion(-)

(limited to 'src/wire')

diff --git a/src/wire/wire-sepa.conf b/src/wire/wire-sepa.conf
index b7c09153f..88d2ac03c 100644
--- a/src/wire/wire-sepa.conf
+++ b/src/wire/wire-sepa.conf
@@ -1,5 +1,11 @@
+# This file is in the public domain.
+#
 # Configuration for SEPA wire plugin.
 
+[exchange-wire-sepa]
+# Set to "YES" to activate the 'sepa' plugin.
+ENABLE = NO
+
 [exchange-wire-incoming-sepa]
 # This is the response we give out for the /wire request.  It provides
 # wallets with the bank information for transfers to the exchange.
diff --git a/src/wire/wire-test.conf b/src/wire/wire-test.conf
index fc03f1b83..fcc156426 100644
--- a/src/wire/wire-test.conf
+++ b/src/wire/wire-test.conf
@@ -1,5 +1,11 @@
 # This file is in the public domain.
 #
+# Configuration for TEST wire plugin.
+#
+[exchange-wire-test]
+# Set to "YES" to activate the 'test' plugin.
+ENABLE = NO
+
 [exchange-wire-incoming-test]
 # This is the response we give out for the /wire request.  It provides
 # wallets with the bank information for transfers to the exchange.
diff --git a/src/wire/wire.c b/src/wire/wire.c
index 4d53b0d0b..c799334f9 100644
--- a/src/wire/wire.c
+++ b/src/wire/wire.c
@@ -1,6 +1,6 @@
 /*
   This file is part of TALER
-  (C) 2015, 2016 GNUnet e.V.
+  (C) 2015, 2016, 2017 GNUnet e.V.
 
   TALER 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
@@ -69,4 +69,80 @@ TALER_WIRE_plugin_unload (struct TALER_WIRE_Plugin *plugin)
 }
 
 
+/**
+ * Closure of #check_for_wire.
+ */
+struct FindEnabledWireContext
+{
+  /**
+   * Configuration we are usign.
+   */
+  const struct GNUNET_CONFIGURATION_Handle *cfg;
+
+  /**
+   * Callback to invoke.
+   */
+  TALER_WIRE_EnabledCallback cb;
+
+  /**
+   * Closure for @e cb.
+   */
+  void *cb_cls;
+};
+
+
+/**
+ * Check if @a section begins with "exchange-wire-", and if
+ * so if the "ENABLE" option is set to "YES".  If both are
+ * true, call the callback from the context with the
+ * rest of the section name.
+ *
+ * @param cls our `struct FindEnabledWireContext`
+ * @param section name of a section in the configuration
+ */
+static void
+check_for_wire (void *cls,
+                const char *section)
+{
+  struct FindEnabledWireContext *ctx = cls;
+  const char *name;
+
+  if (0 != strncasecmp (section,
+                        "exchange-wire-",
+                        strlen ("exchange-wire-")))
+    return;
+  if (GNUNET_YES !=
+      GNUNET_CONFIGURATION_get_value_yesno (ctx->cfg,
+                                            section,
+                                            "ENABLE"))
+    return;
+  name = &section[strlen ("exchange-wire-")];
+  ctx->cb (ctx->cb_cls,
+           name);
+}
+
+
+/**
+ * Check which wire plugins are enabled in @a cfg and call @a cb for each one.
+ *
+ * @param cfg configuration to use
+ * @param cb callback to invoke
+ * @param cb_cls closure for @a cb
+ */
+void
+TALER_WIRE_find_enabled (const struct GNUNET_CONFIGURATION_Handle *cfg,
+                         TALER_WIRE_EnabledCallback cb,
+                         void *cb_cls)
+{
+  struct FindEnabledWireContext ctx;
+
+  ctx.cfg = cfg;
+  ctx.cb = cb;
+  ctx.cb_cls = cb_cls;
+  GNUNET_CONFIGURATION_iterate_sections (cfg,
+                                         &check_for_wire,
+                                         &ctx);
+}
+
+
 /* end of wire.c */
-- 
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