towards a CRUD API for merchant instance account editing

7 files changed, 424 insertions, 24 deletions

diff --git a/src/backend/Makefile.am b/src/backend/Makefile.am
index 4edca6ac..e62124a9 100644
--- a/src/backend/Makefile.am
+++ b/src/backend/Makefile.am
@@ -36,10 +36,8 @@ taler_merchant_httpd_SOURCES = \
   taler-merchant-httpd_private-get-tips-ID.c \
     taler-merchant-httpd_private-get-tips-ID.h \
   taler-merchant-httpd_mhd.c taler-merchant-httpd_mhd.h \
-  taler-merchant-httpd_private-delete-templates-ID.c \
-    taler-merchant-httpd_private-delete-templates-ID.h \
-  taler-merchant-httpd_private-delete-webhooks-ID.c \
-    taler-merchant-httpd_private-delete-webhooks-ID.h \
+  taler-merchant-httpd_private-delete-account-ID.c \
+    taler-merchant-httpd_private-delete-account-ID.h \
   taler-merchant-httpd_private-delete-instances-ID.c \
     taler-merchant-httpd_private-delete-instances-ID.h \
   taler-merchant-httpd_private-delete-products-ID.c \
@@ -48,8 +46,12 @@ taler_merchant_httpd_SOURCES = \
     taler-merchant-httpd_private-delete-orders-ID.h \
   taler-merchant-httpd_private-delete-reserves-ID.c \
     taler-merchant-httpd_private-delete-reserves-ID.h \
+  taler-merchant-httpd_private-delete-templates-ID.c \
+    taler-merchant-httpd_private-delete-templates-ID.h \
   taler-merchant-httpd_private-delete-transfers-ID.c \
     taler-merchant-httpd_private-delete-transfers-ID.h \
+  taler-merchant-httpd_private-delete-webhooks-ID.c \
+    taler-merchant-httpd_private-delete-webhooks-ID.h \
   taler-merchant-httpd_private-get-instances.c \
     taler-merchant-httpd_private-get-instances.h \
   taler-merchant-httpd_private-get-instances-ID.c \
@@ -88,14 +90,16 @@ taler_merchant_httpd_SOURCES = \
     taler-merchant-httpd_private-patch-orders-ID-forget.h \
   taler-merchant-httpd_private-patch-products-ID.c \
     taler-merchant-httpd_private-patch-products-ID.h \
-  taler-merchant-httpd_private-post-templates.c \
-    taler-merchant-httpd_private-post-templates.h \
-  taler-merchant-httpd_private-post-webhooks.c \
-    taler-merchant-httpd_private-post-webhooks.h \
+  taler-merchant-httpd_private-post-account.c \
+    taler-merchant-httpd_private-post-account.h \
   taler-merchant-httpd_private-post-instances.c \
     taler-merchant-httpd_private-post-instances.h \
   taler-merchant-httpd_private-post-instances-ID-auth.c \
     taler-merchant-httpd_private-post-instances-ID-auth.h \
+  taler-merchant-httpd_private-post-orders-ID-refund.c \
+    taler-merchant-httpd_private-post-orders-ID-refund.h \
+  taler-merchant-httpd_private-post-orders.c \
+    taler-merchant-httpd_private-post-orders.h \
   taler-merchant-httpd_private-post-products.c \
     taler-merchant-httpd_private-post-products.h \
   taler-merchant-httpd_private-post-products-ID-lock.c \
@@ -104,12 +108,12 @@ taler_merchant_httpd_SOURCES = \
     taler-merchant-httpd_private-post-reserves.h \
   taler-merchant-httpd_private-post-reserves-ID-authorize-tip.c \
     taler-merchant-httpd_private-post-reserves-ID-authorize-tip.h \
-  taler-merchant-httpd_private-post-orders-ID-refund.c \
-    taler-merchant-httpd_private-post-orders-ID-refund.h \
-  taler-merchant-httpd_private-post-orders.c \
-    taler-merchant-httpd_private-post-orders.h \
+  taler-merchant-httpd_private-post-templates.c \
+    taler-merchant-httpd_private-post-templates.h \
   taler-merchant-httpd_private-post-transfers.c \
     taler-merchant-httpd_private-post-transfers.h \
+  taler-merchant-httpd_private-post-webhooks.c \
+    taler-merchant-httpd_private-post-webhooks.h \
   taler-merchant-httpd_post-orders-ID-abort.c \
     taler-merchant-httpd_post-orders-ID-abort.h \
   taler-merchant-httpd_post-orders-ID-claim.c \
diff --git a/src/backend/taler-merchant-httpd.c b/src/backend/taler-merchant-httpd.c
index d7ac2b74..00e4689c 100644
--- a/src/backend/taler-merchant-httpd.c
+++ b/src/backend/taler-merchant-httpd.c
@@ -33,13 +33,14 @@
 #include "taler-merchant-httpd_get-orders-ID.h"
 #include "taler-merchant-httpd_get-tips-ID.h"
 #include "taler-merchant-httpd_mhd.h"
-#include "taler-merchant-httpd_private-delete-webhooks-ID.h"
-#include "taler-merchant-httpd_private-delete-templates-ID.h"
+#include "taler-merchant-httpd_private-delete-account-ID.h"
 #include "taler-merchant-httpd_private-delete-instances-ID.h"
 #include "taler-merchant-httpd_private-delete-products-ID.h"
 #include "taler-merchant-httpd_private-delete-orders-ID.h"
 #include "taler-merchant-httpd_private-delete-reserves-ID.h"
+#include "taler-merchant-httpd_private-delete-templates-ID.h"
 #include "taler-merchant-httpd_private-delete-transfers-ID.h"
+#include "taler-merchant-httpd_private-delete-webhooks-ID.h"
 #include "taler-merchant-httpd_private-get-webhooks.h"
 #include "taler-merchant-httpd_private-get-webhooks-ID.h"
 #include "taler-merchant-httpd_private-get-templates.h"
@@ -61,8 +62,7 @@
 #include "taler-merchant-httpd_private-patch-instances-ID.h"
 #include "taler-merchant-httpd_private-patch-orders-ID-forget.h"
 #include "taler-merchant-httpd_private-patch-products-ID.h"
-#include "taler-merchant-httpd_private-post-webhooks.h"
-#include "taler-merchant-httpd_private-post-templates.h"
+#include "taler-merchant-httpd_private-post-account.h"
 #include "taler-merchant-httpd_private-post-instances.h"
 #include "taler-merchant-httpd_private-post-instances-ID-auth.h"
 #include "taler-merchant-httpd_private-post-orders.h"
@@ -71,7 +71,9 @@
 #include "taler-merchant-httpd_private-post-products-ID-lock.h"
 #include "taler-merchant-httpd_private-post-reserves.h"
 #include "taler-merchant-httpd_private-post-reserves-ID-authorize-tip.h"
+#include "taler-merchant-httpd_private-post-templates.h"
 #include "taler-merchant-httpd_private-post-transfers.h"
+#include "taler-merchant-httpd_private-post-webhooks.h"
 #include "taler-merchant-httpd_post-orders-ID-abort.h"
 #include "taler-merchant-httpd_post-orders-ID-claim.h"
 #include "taler-merchant-httpd_post-orders-ID-paid.h"
@@ -224,6 +226,17 @@ TMH_compute_auth (const char *token,
 
 
 void
+TMH_wire_method_free (struct TMH_WireMethod *wm)
+{
+  GNUNET_free (wm->payto_uri);
+  GNUNET_free (wm->wire_method);
+  GNUNET_free (wm->credit_facade_url);
+  json_decref (wm->credit_facade_credentials);
+  GNUNET_free (wm);
+}
+
+
+void
 TMH_instance_decref (struct TMH_MerchantInstance *mi)
 {
   struct TMH_WireMethod *wm;
@@ -237,11 +250,7 @@ TMH_instance_decref (struct TMH_MerchantInstance *mi)
     GNUNET_CONTAINER_DLL_remove (mi->wm_head,
                                  mi->wm_tail,
                                  wm);
-    GNUNET_free (wm->payto_uri);
-    GNUNET_free (wm->wire_method);
-    GNUNET_free (wm->credit_facade_url);
-    json_decref (wm->credit_facade_credentials);
-    GNUNET_free (wm);
+    TMH_wire_method_free (wm);
   }
 
   GNUNET_free (mi->settings.id);
@@ -1067,6 +1076,21 @@ url_handler (void *cls,
          in the code... */
       .max_upload = 1024 * 1024 * 8
     },
+    /* POST /account: */
+    {
+      .url_prefix = "/account",
+      .method = MHD_HTTP_METHOD_POST,
+      .handler = &TMH_private_post_account,
+      /* allow account details of up to 8 kb, that should be plenty */
+      .max_upload = 1024 * 8
+    },
+    /* DELETE /account/$PAYTO: */
+    {
+      .url_prefix = "/account",
+      .method = MHD_HTTP_METHOD_DELETE,
+      .handler = &TMH_private_delete_account_ID,
+      .have_id_segment = true
+    },
     {
       .url_prefix = NULL
     }
@@ -1816,9 +1840,8 @@ load_instances (void *cls,
 
 
 /**
- * A transaction modified an instance setting
- * (or created/deleted/purged one). Notify all
- * backends about the change.
+ * A transaction modified an instance setting (or created/deleted/purged
+ * one). Notify all backends about the change.
  *
  * @param id ID of the instance that changed
  */
diff --git a/src/backend/taler-merchant-httpd.h b/src/backend/taler-merchant-httpd.h
index 6f637934..46bbcb5b 100644
--- a/src/backend/taler-merchant-httpd.h
+++ b/src/backend/taler-merchant-httpd.h
@@ -696,6 +696,15 @@ TMH_instance_decref (struct TMH_MerchantInstance *mi);
 
 
 /**
+ * Free memory allocated by @a wm.
+ *
+ * @param[in] wm wire method to free
+ */
+void
+TMH_wire_method_free (struct TMH_WireMethod *wm);
+
+
+/**
  * Lookup a merchant instance by its instance ID.
  *
  * @param instance_id identifier of the instance to resolve
diff --git a/src/backend/taler-merchant-httpd_private-delete-account-ID.c b/src/backend/taler-merchant-httpd_private-delete-account-ID.c
new file mode 100644
index 00000000..7b7aa6e0
--- /dev/null
+++ b/src/backend/taler-merchant-httpd_private-delete-account-ID.c
@@ -0,0 +1,94 @@
+/*
+  This file is part of TALER
+  (C) 2023 Taler Systems SA
+
+  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 General Public License for more details.
+
+  You should have received a copy of the GNU General Public License along with
+  TALER; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
+*/
+/**
+ * @file taler-merchant-httpd_private-delete-account-ID.c
+ * @brief implement DELETE /account/$H_WIRE
+ * @author Christian Grothoff
+ */
+#include "platform.h"
+#include "taler-merchant-httpd_private-delete-account-ID.h"
+#include <taler/taler_json_lib.h>
+#include <taler/taler_dbevents.h>
+
+
+MHD_RESULT
+TMH_private_delete_account_ID (const struct TMH_RequestHandler *rh,
+                               struct MHD_Connection *connection,
+                               struct TMH_HandlerContext *hc)
+{
+  struct TMH_MerchantInstance *mi = hc->instance;
+  struct TALER_MerchantWireHashP h_wire;
+  enum GNUNET_DB_QueryStatus qs;
+
+  (void) rh;
+  if (GNUNET_OK !=
+      GNUNET_STRINGS_string_to_data (hc->infix,
+                                     strlen (hc->infix),
+                                     &h_wire,
+                                     sizeof (h_wire)))
+  {
+    GNUNET_break_op (0);
+    return TALER_MHD_reply_with_error (connection,
+                                       MHD_HTTP_BAD_REQUEST,
+                                       TALER_EC_GENERIC_PARAMETER_MALFORMED,
+                                       "h_wire");
+  }
+  GNUNET_assert (NULL != mi);
+  qs = TMH_db->inactivate_account (TMH_db->cls,
+                                   mi->settings.id,
+                                   &h_wire);
+  switch (qs)
+  {
+  case GNUNET_DB_STATUS_HARD_ERROR:
+    return TALER_MHD_reply_with_error (connection,
+                                       MHD_HTTP_INTERNAL_SERVER_ERROR,
+                                       TALER_EC_GENERIC_DB_STORE_FAILED,
+                                       "inactivate_account");
+  case GNUNET_DB_STATUS_SOFT_ERROR:
+    GNUNET_break (0);
+    return TALER_MHD_reply_with_error (connection,
+                                       MHD_HTTP_INTERNAL_SERVER_ERROR,
+                                       TALER_EC_GENERIC_INTERNAL_INVARIANT_FAILURE,
+                                       NULL);
+  case GNUNET_DB_STATUS_SUCCESS_NO_RESULTS:
+    return TALER_MHD_reply_with_error (connection,
+                                       MHD_HTTP_NOT_FOUND,
+                                       TALER_EC_MERCHANT_PRIVATE_ACCOUNT_DELETE_UNKNOWN_ACCOUNT,
+                                       "account unknown");
+  case GNUNET_DB_STATUS_SUCCESS_ONE_RESULT:
+    break;
+  }
+  {
+    struct GNUNET_DB_EventHeaderP es = {
+      .size = htons (sizeof (es)),
+      .type = htons (TALER_DBEVENT_MERCHANT_ACCOUNTS_CHANGED)
+    };
+
+    TMH_db->event_notify (TMH_db->cls,
+                          &es,
+                          NULL,
+                          0);
+  }
+  TMH_reload_instances (mi->settings.id);
+  return TALER_MHD_reply_static (connection,
+                                 MHD_HTTP_NO_CONTENT,
+                                 NULL,
+                                 NULL,
+                                 0);
+}
+
+
+/* end of taler-merchant-httpd_private-delete-account-ID.c */
diff --git a/src/backend/taler-merchant-httpd_private-delete-account-ID.h b/src/backend/taler-merchant-httpd_private-delete-account-ID.h
new file mode 100644
index 00000000..b9004b9f
--- /dev/null
+++ b/src/backend/taler-merchant-httpd_private-delete-account-ID.h
@@ -0,0 +1,42 @@
+/*
+  This file is part of TALER
+  (C) 2023 Taler Systems SA
+
+  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 General Public License for more details.
+
+  You should have received a copy of the GNU General Public License along with
+  TALER; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
+*/
+/**
+ * @file taler-merchant-httpd_private-delete-account-ID.h
+ * @brief implement DELETE /account/$PAYTO
+ * @author Christian Grothoff
+ */
+#ifndef TALER_MERCHANT_HTTPD_PRIVATE_DELETE_ACCOUNT_ID_H
+#define TALER_MERCHANT_HTTPD_PRIVATE_DELETE_ACCOUNT_ID_H
+
+#include "taler-merchant-httpd.h"
+
+
+/**
+ * Handle a DELETE "/private/account/$H_WIRE" request.
+ *
+ * @param rh context of the handler
+ * @param connection the MHD connection to handle
+ * @param[in,out] hc context with further information about the request
+ * @return MHD result code
+ */
+MHD_RESULT
+TMH_private_delete_account_ID (const struct TMH_RequestHandler *rh,
+                               struct MHD_Connection *connection,
+                               struct TMH_HandlerContext *hc);
+
+
+/* end of taler-merchant-httpd_private-delete-account-ID.h */
+#endif
diff --git a/src/backend/taler-merchant-httpd_private-post-account.c b/src/backend/taler-merchant-httpd_private-post-account.c
new file mode 100644
index 00000000..8e93203b
--- /dev/null
+++ b/src/backend/taler-merchant-httpd_private-post-account.c
@@ -0,0 +1,184 @@
+/*
+  This file is part of TALER
+  (C) 2020-2023 Taler Systems SA
+
+  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 General Public License for more details.
+
+  You should have received a copy of the GNU General Public
+  License along with TALER; see the file COPYING.  If not,
+  see <http://www.gnu.org/licenses/>
+*/
+
+/**
+ * @file taler-merchant-httpd_private-post-account.c
+ * @brief implementing POST /private/account request handling
+ * @author Christian Grothoff
+ */
+#include "platform.h"
+#include "taler-merchant-httpd_private-post-account.h"
+#include "taler-merchant-httpd_helper.h"
+#include "taler_merchant_bank_lib.h"
+#include <taler/taler_dbevents.h>
+#include <taler/taler_json_lib.h>
+
+
+MHD_RESULT
+TMH_private_post_account (const struct TMH_RequestHandler *rh,
+                          struct MHD_Connection *connection,
+                          struct TMH_HandlerContext *hc)
+{
+  struct TMH_MerchantInstance *mi = hc->instance;
+  const char *credit_facade_url = NULL;
+  json_t *credit_facade_credentials = NULL;
+  const char *uri;
+  struct GNUNET_JSON_Specification ispec[] = {
+    GNUNET_JSON_spec_string ("payto_uri",
+                             &uri),
+    GNUNET_JSON_spec_mark_optional (
+      GNUNET_JSON_spec_string ("credit_facade_url",
+                               &credit_facade_url),
+      NULL),
+    GNUNET_JSON_spec_mark_optional (
+      GNUNET_JSON_spec_json ("credit_facade_credentials",
+                             &credit_facade_credentials),
+      NULL),
+    GNUNET_JSON_spec_end ()
+  };
+  struct TMH_WireMethod *wm;
+
+  {
+    enum GNUNET_GenericReturnValue res;
+
+    res = TALER_MHD_parse_json_data (connection,
+                                     hc->request_body,
+                                     ispec);
+    if (GNUNET_OK != res)
+      return (GNUNET_NO == res)
+             ? MHD_YES
+             : MHD_NO;
+  }
+
+  {
+    char *err;
+
+    if (NULL !=
+        (err = TALER_payto_validate (uri)))
+    {
+      MHD_RESULT mret;
+
+      GNUNET_break_op (0);
+      mret = TALER_MHD_reply_with_error (connection,
+                                         MHD_HTTP_BAD_REQUEST,
+                                         TALER_EC_GENERIC_PAYTO_URI_MALFORMED,
+                                         err);
+      GNUNET_free (err);
+      return mret;
+    }
+  }
+
+  if ( (NULL == credit_facade_url) !=
+       (NULL == credit_facade_credentials) )
+  {
+    GNUNET_break_op (0);
+    return TALER_MHD_reply_with_error (connection,
+                                       MHD_HTTP_BAD_REQUEST,
+                                       TALER_EC_GENERIC_PARAMETER_MISSING,
+                                       (NULL == credit_facade_url)
+                                       ? "credit_facade_url"
+                                       : "credit_facade_credentials");
+  }
+  if ( (NULL != credit_facade_url) ||
+       (NULL != credit_facade_credentials) )
+  {
+    struct TALER_MERCHANT_BANK_AuthenticationData auth;
+
+    if (GNUNET_OK !=
+        TALER_MERCHANT_BANK_auth_parse_json (credit_facade_credentials,
+                                             credit_facade_url,
+                                             &auth))
+    {
+      GNUNET_break_op (0);
+      return TALER_MHD_reply_with_error (connection,
+                                         MHD_HTTP_BAD_REQUEST,
+                                         TALER_EC_GENERIC_PARAMETER_MALFORMED,
+                                         "credit_facade_credentials");
+    }
+    TALER_MERCHANT_BANK_auth_free (&auth);
+  }
+
+  /* convert provided payto URI into internal data structure with salts */
+  wm = TMH_setup_wire_account (uri,
+                               credit_facade_url,
+                               credit_facade_credentials);
+  GNUNET_assert (NULL != wm);
+  {
+    struct TALER_MERCHANTDB_AccountDetails ad = {
+      .payto_uri = wm->payto_uri,
+      .salt = wm->wire_salt,
+      .h_wire = wm->h_wire,
+      .credit_facade_url = wm->credit_facade_url,
+      .credit_facade_credentials = wm->credit_facade_credentials,
+      .active = wm->active
+    };
+    enum GNUNET_DB_QueryStatus qs;
+
+    qs = TMH_db->insert_account (TMH_db->cls,
+                                 mi->settings.id,
+                                 &ad);
+    switch (qs)
+    {
+    case GNUNET_DB_STATUS_SUCCESS_ONE_RESULT:
+      break;
+    case GNUNET_DB_STATUS_SUCCESS_NO_RESULTS:
+      /* conflict: account exists */
+      TMH_wire_method_free (wm);
+      return TALER_MHD_reply_with_error (connection,
+                                         MHD_HTTP_CONFLICT,
+                                         TALER_EC_MERCHANT_PRIVATE_ACCOUNT_EXISTS,
+                                         uri);
+    case GNUNET_DB_STATUS_SOFT_ERROR:
+    case GNUNET_DB_STATUS_HARD_ERROR:
+      GNUNET_break (0);
+      TMH_wire_method_free (wm);
+      return TALER_MHD_reply_with_error (connection,
+                                         MHD_HTTP_INTERNAL_SERVER_ERROR,
+                                         TALER_EC_GENERIC_DB_STORE_FAILED,
+                                         "insert_account");
+    }
+  }
+
+  {
+    struct GNUNET_DB_EventHeaderP es = {
+      .size = htons (sizeof (es)),
+      .type = htons (TALER_DBEVENT_MERCHANT_ACCOUNTS_CHANGED)
+    };
+
+    TMH_db->event_notify (TMH_db->cls,
+                          &es,
+                          NULL,
+                          0);
+  }
+  /* Finally, also update our running process */
+  GNUNET_CONTAINER_DLL_insert (mi->wm_head,
+                               mi->wm_tail,
+                               wm);
+  /* Note: we may not need to do this, as we notified
+     about the account change above. But also hardly hurts. */
+  TMH_reload_instances (mi->settings.id);
+  return TALER_MHD_reply_static (connection,
+                                 MHD_HTTP_NO_CONTENT,
+                                 NULL,
+                                 NULL,
+                                 0);
+}
+
+
+/* end of taler-merchant-httpd_private-post-account.c */
diff --git a/src/backend/taler-merchant-httpd_private-post-account.h b/src/backend/taler-merchant-httpd_private-post-account.h
new file mode 100644
index 00000000..99f61090
--- /dev/null
+++ b/src/backend/taler-merchant-httpd_private-post-account.h
@@ -0,0 +1,44 @@
+/*
+  This file is part of TALER
+  (C) 2020-2023 Taler Systems SA
+
+  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 General Public License for more details.
+
+  You should have received a copy of the GNU General Public
+  License along with TALER; see the file COPYING.  If not,
+  see <http://www.gnu.org/licenses/>
+*/
+
+/**
+ * @file taler-merchant-httpd_private-post-account.h
+ * @brief implementing POST /private/account request handling
+ * @author Christian Grothoff
+ */
+#ifndef TALER_MERCHANT_HTTPD_PRIVATE_POST_ACCOUNT_H
+#define TALER_MERCHANT_HTTPD_PRIVATE_POST_ACCOUNT_H
+
+#include "taler-merchant-httpd.h"
+
+
+/**
+ * Add bank account to an instance.
+ *
+ * @param rh context of the handler
+ * @param connection the MHD connection to handle
+ * @param[in,out] hc context with further information about the request
+ * @return MHD result code
+ */
+MHD_RESULT
+TMH_private_post_account (const struct TMH_RequestHandler *rh,
+                          struct MHD_Connection *connection,
+                          struct TMH_HandlerContext *hc);
+
+#endif