1 files changed, 118 insertions, 0 deletions
diff --git a/src/exchangedb/pg_setup_foreign_servers.c b/src/exchangedb/pg_setup_foreign_servers.c
new file mode 100644
index 000000000..490ae4c24
--- /dev/null
+++ b/src/exchangedb/pg_setup_foreign_servers.c
@@ -0,0 +1,118 @@
+/*
+   This file is part of TALER
+   Copyright (C) 2022 Taler Systems SA
+
+   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
+   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 exchangedb/pg_setup_foreign_servers.c
+ * @brief Implementation of the setup_foreign_servers function for Postgres
+ * @author Christian Grothoff
+ */
+#include "platform.h"
+#include "taler_error_codes.h"
+#include "taler_dbevents.h"
+#include "taler_pq_lib.h"
+#include "pg_setup_foreign_servers.h"
+#include "pg_helper.h"
+
+
+
+enum GNUNET_GenericReturnValue
+TEH_PG_setup_foreign_servers (void *cls,
+                                uint32_t num)
+{
+  struct PostgresClosure *pg = cls;
+  struct GNUNET_PQ_Context *conn;
+  enum GNUNET_GenericReturnValue ret = GNUNET_OK;
+  char *shard_domain = NULL;
+  char *remote_user = NULL;
+  char *remote_user_pw = NULL;
+
+  if (GNUNET_OK !=
+      GNUNET_CONFIGURATION_get_value_string (pg->cfg,
+                                             "exchange",
+                                             "SHARD_DOMAIN",
+                                             &shard_domain))
+  {
+    GNUNET_log_config_missing (GNUNET_ERROR_TYPE_ERROR,
+                               "exchange",
+                               "SHARD_DOMAIN");
+    return GNUNET_SYSERR;
+  }
+  if (GNUNET_OK !=
+      GNUNET_CONFIGURATION_get_value_string (pg->cfg,
+                                             "exchangedb-postgres",
+                                             "SHARD_REMOTE_USER",
+                                             &remote_user))
+  {
+    GNUNET_log_config_missing (GNUNET_ERROR_TYPE_ERROR,
+                               "exchangedb-postgres",
+                               "SHARD_REMOTE_USER");
+    GNUNET_free (shard_domain);
+    return GNUNET_SYSERR;
+  }
+  if (GNUNET_OK !=
+      GNUNET_CONFIGURATION_get_value_string (pg->cfg,
+                                             "exchangedb-postgres",
+                                             "SHARD_REMOTE_USER_PW",
+                                             &remote_user_pw))
+  {
+    GNUNET_log_config_missing (GNUNET_ERROR_TYPE_ERROR,
+                               "exchangedb-postgres",
+                               "SHARD_REMOTE_USER_PW");
+    GNUNET_free (shard_domain);
+    GNUNET_free (remote_user);
+    return GNUNET_SYSERR;
+  }
+
+  struct GNUNET_PQ_QueryParam params[] = {
+    GNUNET_PQ_query_param_uint32 (&num),
+    GNUNET_PQ_query_param_string (shard_domain),
+    GNUNET_PQ_query_param_string (remote_user),
+    GNUNET_PQ_query_param_string (remote_user_pw),
+    GNUNET_PQ_query_param_end
+  };
+  struct GNUNET_PQ_ExecuteStatement es[] = {
+    GNUNET_PQ_make_try_execute ("SET search_path TO exchange;"),
+    GNUNET_PQ_EXECUTE_STATEMENT_END
+  };
+  struct GNUNET_PQ_PreparedStatement ps[] = {
+    GNUNET_PQ_make_prepare ("create_foreign_servers",
+                            "SELECT"
+                            " create_foreign_servers"
+                            " ($1, $2, $3, $4);"),
+    GNUNET_PQ_PREPARED_STATEMENT_END
+  };
+
+  conn = GNUNET_PQ_connect_with_cfg (pg->cfg,
+                                     "exchangedb-postgres",
+                                     NULL,
+                                     es,
+                                     ps);
+  if (NULL == conn)
+  {
+    ret = GNUNET_SYSERR;
+  }
+  else if (0 > GNUNET_PQ_eval_prepared_non_select (conn,
+                                                   "create_foreign_servers",
+                                                   params))
+  {
+    ret = GNUNET_SYSERR;
+  }
+  GNUNET_free (shard_domain);
+  GNUNET_free (remote_user);
+  GNUNET_free (remote_user_pw);
+  GNUNET_PQ_disconnect (conn);
+  return ret;
+}
+