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usr/include/bind9/lwres/context.h 0000644 00000006254 15051120355 0013002 0 ustar 00 /*
* 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 https://mozilla.org/MPL/2.0/.
*
* See the COPYRIGHT file distributed with this work for additional
* information regarding copyright ownership.
*/
#ifndef LWRES_CONTEXT_H
#define LWRES_CONTEXT_H 1
/*! \file lwres/context.h */
#include <inttypes.h>
#include <stddef.h>
#include <lwres/lang.h>
#include <lwres/result.h>
/*!
* Used to set various options such as timeout, authentication, etc
*/
typedef struct lwres_context lwres_context_t;
LWRES_LANG_BEGINDECLS
typedef void *(*lwres_malloc_t)(void *arg, size_t length);
typedef void (*lwres_free_t)(void *arg, void *mem, size_t length);
/*
* XXXMLG
*
* Make the server reload /etc/resolv.conf periodically.
*
* Make the server do sortlist/searchlist.
*
* Client side can disable the search/sortlist processing.
*
* Use an array of addresses/masks and searchlist for client-side, and
* if added to the client disable the processing on the server.
*
* Share /etc/resolv.conf data between contexts.
*/
/*!
* _SERVERMODE
* Don't allocate and connect a socket to the server, since the
* caller _is_ a server.
*
* _USEIPV4, _USEIPV6
* Use IPv4 and IPv6 transactions with remote servers, respectively.
* For backward compatibility, regard both flags as being set when both
* are cleared.
*/
#define LWRES_CONTEXT_SERVERMODE 0x00000001U
#define LWRES_CONTEXT_USEIPV4 0x00000002U
#define LWRES_CONTEXT_USEIPV6 0x00000004U
lwres_result_t
lwres_context_create(lwres_context_t **contextp, void *arg,
lwres_malloc_t malloc_function,
lwres_free_t free_function,
unsigned int flags);
/**<
* Allocate a lwres context. This is used in all lwres calls.
*
* Memory management can be replaced here by passing in two functions.
* If one is non-NULL, they must both be non-NULL. "arg" is passed to
* these functions.
*
* Contexts are not thread safe. Document at the top of the file.
* XXXMLG
*
* If they are NULL, the standard malloc() and free() will be used.
*
*\pre contextp != NULL && contextp == NULL.
*
*\return Returns 0 on success, non-zero on failure.
*/
void
lwres_context_destroy(lwres_context_t **contextp);
/**<
* Frees all memory associated with a lwres context.
*
*\pre contextp != NULL && contextp == NULL.
*/
uint32_t
lwres_context_nextserial(lwres_context_t *ctx);
/**<
* XXXMLG Document
*/
void
lwres_context_initserial(lwres_context_t *ctx, uint32_t serial);
void
lwres_context_freemem(lwres_context_t *ctx, void *mem, size_t len);
void *
lwres_context_allocmem(lwres_context_t *ctx, size_t len);
int
lwres_context_getsocket(lwres_context_t *ctx);
lwres_result_t
lwres_context_send(lwres_context_t *ctx,
void *sendbase, int sendlen);
lwres_result_t
lwres_context_recv(lwres_context_t *ctx,
void *recvbase, int recvlen,
int *recvd_len);
lwres_result_t
lwres_context_sendrecv(lwres_context_t *ctx,
void *sendbase, int sendlen,
void *recvbase, int recvlen,
int *recvd_len);
LWRES_LANG_ENDDECLS
#endif /* LWRES_CONTEXT_H */
usr/include/bind9/irs/context.h 0000644 00000006652 15051134356 0012453 0 ustar 00 /*
* 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 https://mozilla.org/MPL/2.0/.
*
* See the COPYRIGHT file distributed with this work for additional
* information regarding copyright ownership.
*/
#ifndef IRS_CONTEXT_H
#define IRS_CONTEXT_H 1
/*! \file
*
* \brief
* The IRS context module provides an abstract interface to the DNS library
* with an application. An IRS context object initializes and holds various
* resources used in the DNS library.
*/
#include <dns/types.h>
#include <irs/types.h>
ISC_LANG_BEGINDECLS
isc_result_t
irs_context_create(irs_context_t **contextp);
/*%<
* Create an IRS context. It internally initializes the ISC and DNS libraries
* (if not yet), creates a DNS client object and initializes the client using
* the configuration files parsed via the 'resconf' and 'dnsconf' IRS modules.
* Some of the internally initialized objects can be used by the application
* via irs_context_getxxx() functions (see below).
*
* Requires:
*
*\li contextp != NULL && *contextp == NULL.
*/
isc_result_t
irs_context_get(irs_context_t **contextp);
/*%<
* Return an IRS context for the calling thread. If no IRS context is
* associated to the thread, this function creates a new one by calling
* irs_context_create(), and associates it with the thread as a thread specific
* data value. This function is provided for standard libraries that are
* expected to be thread-safe but do not accept an appropriate IRS context
* as a library parameter, e.g., getaddrinfo().
*
* Requires:
*
*\li contextp != NULL && *contextp == NULL.
*/
void
irs_context_destroy(irs_context_t **contextp);
/*%<
* Destroy an IRS context.
*
* Requires:
*
*\li '*contextp' is a valid IRS context.
*
* Ensures:
*\li '*contextp' == NULL.
*/
isc_mem_t *
irs_context_getmctx(irs_context_t *context);
/*%<
* Return the memory context held in the context.
*
* Requires:
*
*\li 'context' is a valid IRS context.
*/
isc_appctx_t *
irs_context_getappctx(irs_context_t *context);
/*%<
* Return the application context held in the context.
*
* Requires:
*
*\li 'context' is a valid IRS context.
*/
isc_taskmgr_t *
irs_context_gettaskmgr(irs_context_t *context);
/*%<
* Return the task manager held in the context.
*
* Requires:
*
*\li 'context' is a valid IRS context.
*/
isc_timermgr_t *
irs_context_gettimermgr(irs_context_t *context);
/*%<
* Return the timer manager held in the context.
*
* Requires:
*
*\li 'context' is a valid IRS context.
*/
isc_task_t *
irs_context_gettask(irs_context_t *context);
/*%<
* Return the task object held in the context.
*
* Requires:
*
*\li 'context' is a valid IRS context.
*/
dns_client_t *
irs_context_getdnsclient(irs_context_t *context);
/*%<
* Return the DNS client object held in the context.
*
* Requires:
*
*\li 'context' is a valid IRS context.
*/
irs_resconf_t *
irs_context_getresconf(irs_context_t *context);
/*%<
* Return the resolver configuration object held in the context.
*
* Requires:
*
*\li 'context' is a valid IRS context.
*/
irs_dnsconf_t *
irs_context_getdnsconf(irs_context_t *context);
/*%<
* Return the advanced DNS configuration object held in the context.
*
* Requires:
*
*\li 'context' is a valid IRS context.
*/
ISC_LANG_ENDDECLS
#endif /* IRS_CONTEXT_H */