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+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+/* $Id: context_p.h,v 1.19 2008/12/17 23:47:58 tbox Exp $ */
+
+#ifndef LWRES_CONTEXT_P_H
+#define LWRES_CONTEXT_P_H 1
+
+#include <inttypes.h>
+
+/*! \file */
+
+/*@{*/
+/**
+ * Helper functions, assuming the context is always called "ctx" in
+ * the scope these functions are called from.
+ */
+#define CTXMALLOC(len) ctx->malloc(ctx->arg, (len))
+#define CTXFREE(addr, len) ctx->free(ctx->arg, (addr), (len))
+/*@}*/
+
+#define LWRES_DEFAULT_TIMEOUT 120 /* 120 seconds for a reply */
+
+/**
+ * Not all the attributes here are actually settable by the application at
+ * this time.
+ */
+struct lwres_context {
+ unsigned int timeout; /*%< time to wait for reply */
+ uint32_t serial; /*%< serial number state */
+
+ /*
+ * For network I/O.
+ */
+ int sock; /*%< socket to send on */
+ lwres_addr_t address; /*%< address to send to */
+ int use_ipv4; /*%< use IPv4 transaction */
+ int use_ipv6; /*%< use IPv6 transaction */
+
+ /*@{*/
+ /*
+ * Function pointers for allocating memory.
+ */
+ lwres_malloc_t malloc;
+ lwres_free_t free;
+ void *arg;
+ /*@}*/
+
+ /*%
+ * resolv.conf-like data
+ */
+ lwres_conf_t confdata;
+};
+
+#endif /* LWRES_CONTEXT_P_H */