mirror of https://github.com/ARMmbed/mbed-os.git
				
				
				
			
		
			
				
	
	
		
			264 lines
		
	
	
		
			12 KiB
		
	
	
	
		
			C++
		
	
	
			
		
		
	
	
			264 lines
		
	
	
		
			12 KiB
		
	
	
	
		
			C++
		
	
	
/*
 | 
						|
 * Original work Copyright (c) 2013 Henry Leinen (henry[dot]leinen [at] online [dot] de)
 | 
						|
 * Modified work Copyright (c) 2015 ARM Limited
 | 
						|
 *
 | 
						|
 * Licensed under the Apache License, Version 2.0 (the "License");
 | 
						|
 * you may not use this file except in compliance with the License.
 | 
						|
 * You may obtain a copy of the License at
 | 
						|
 *
 | 
						|
 *     http://www.apache.org/licenses/LICENSE-2.0
 | 
						|
 *
 | 
						|
 * Unless required by applicable law or agreed to in writing, software
 | 
						|
 * distributed under the License is distributed on an "AS IS" BASIS,
 | 
						|
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 | 
						|
 * See the License for the specific language governing permissions and
 | 
						|
 * limitations under the License.
 | 
						|
 */
 | 
						|
 | 
						|
/** \addtogroup netsocket */
 | 
						|
/** @{*/
 | 
						|
 | 
						|
#ifndef NSAPI_DNS_H
 | 
						|
#define NSAPI_DNS_H
 | 
						|
 | 
						|
#include "nsapi_types.h"
 | 
						|
#ifdef __cplusplus
 | 
						|
#include "netsocket/NetworkStack.h"
 | 
						|
#endif
 | 
						|
 | 
						|
#ifndef __cplusplus
 | 
						|
 | 
						|
 | 
						|
/** Query a domain name server for an IP address of a given hostname
 | 
						|
 *
 | 
						|
 *  @param stack    Network stack as target for DNS query
 | 
						|
 *  @param host     Hostname to resolve
 | 
						|
 *  @param addr     Destination for the host address
 | 
						|
 *  @param version  IP version to resolve
 | 
						|
 *  @return         0 on success, negative error code on failure
 | 
						|
 *                  NSAPI_ERROR_DNS_FAILURE indicates the host could not be found
 | 
						|
 */
 | 
						|
nsapi_error_t nsapi_dns_query(nsapi_stack_t *stack, const char *host,
 | 
						|
                              nsapi_addr_t *addr, nsapi_version_t version);
 | 
						|
 | 
						|
/** Query a domain name server for multiple IP address of a given hostname
 | 
						|
 *
 | 
						|
 *  @param stack      Network stack as target for DNS query
 | 
						|
 *  @param host       Hostname to resolve
 | 
						|
 *  @param addr       Array for the host addresses
 | 
						|
 *  @param addr_count Number of addresses allocated in the array
 | 
						|
 *  @param version    IP version to resolve
 | 
						|
 *  @return           Number of addresses found on success, negative error code on failure
 | 
						|
 *                    NSAPI_ERROR_DNS_FAILURE indicates the host could not be found
 | 
						|
 */
 | 
						|
nsapi_size_or_error_t nsapi_dns_query_multiple(nsapi_stack_t *stack, const char *host,
 | 
						|
                                               nsapi_addr_t *addr, nsapi_size_t addr_count, nsapi_version_t version);
 | 
						|
 | 
						|
/** Add a domain name server to list of servers to query
 | 
						|
 *
 | 
						|
 *  @param addr     Destination for the host address
 | 
						|
 *  @return         0 on success, negative error code on failure
 | 
						|
 */
 | 
						|
nsapi_error_t nsapi_dns_add_server(nsapi_addr_t addr, const char *interface_name);
 | 
						|
 | 
						|
 | 
						|
#else
 | 
						|
 | 
						|
typedef mbed::Callback<nsapi_error_t (int delay_ms, mbed::Callback<void()> user_cb)> call_in_callback_cb_t;
 | 
						|
 | 
						|
/** Query a domain name server for an IP address of a given hostname
 | 
						|
 *
 | 
						|
 *  @param stack    Network stack as target for DNS query
 | 
						|
 *  @param host     Hostname to resolve
 | 
						|
 *  @param addr     Destination for the host address
 | 
						|
 *  @param version  IP version to resolve (defaults to NSAPI_IPv4)
 | 
						|
 *  @return         0 on success, negative error code on failure
 | 
						|
 *                  NSAPI_ERROR_DNS_FAILURE indicates the host could not be found
 | 
						|
 */
 | 
						|
nsapi_error_t nsapi_dns_query(NetworkStack *stack, const char *host,
 | 
						|
                              SocketAddress *addr, nsapi_version_t version = NSAPI_IPv4);
 | 
						|
 | 
						|
/** Query a domain name server for an IP address of a given hostname using Network interface name
 | 
						|
 *
 | 
						|
 *  @param stack    Network stack as target for DNS query
 | 
						|
 *  @param host     Hostname to resolve
 | 
						|
 *  @param addr     Destination for the host address
 | 
						|
 *  @param interface_name Network interface name
 | 
						|
 *  @param version  IP version to resolve (defaults to NSAPI_IPv4)
 | 
						|
 *  @return         0 on success, negative error code on failure
 | 
						|
 *                  NSAPI_ERROR_DNS_FAILURE indicates the host could not be found
 | 
						|
 */
 | 
						|
nsapi_error_t nsapi_dns_query(NetworkStack *stack, const char *host,
 | 
						|
                              SocketAddress *addr, const char *interface_name, nsapi_version_t version = NSAPI_IPv4);
 | 
						|
 | 
						|
 | 
						|
/** Query a domain name server for an IP address of a given hostname
 | 
						|
 *
 | 
						|
 *  @param stack    Network stack as target for DNS query
 | 
						|
 *  @param host     Hostname to resolve
 | 
						|
 *  @param callback Callback that is called for result
 | 
						|
 *  @param version  IP version to resolve (defaults to NSAPI_IPv4)
 | 
						|
 *  @return         0 on success, negative error code on failure or an unique id that
 | 
						|
 *                  represents the hostname translation operation and can be passed to
 | 
						|
 *                  cancel, NSAPI_ERROR_DNS_FAILURE indicates the host could not be found
 | 
						|
 */
 | 
						|
nsapi_error_t nsapi_dns_query_async(NetworkStack *stack, const char *host,
 | 
						|
                                    NetworkStack::hostbyname_cb_t callback, call_in_callback_cb_t call_in_cb,
 | 
						|
                                    nsapi_version_t version = NSAPI_IPv4);
 | 
						|
 | 
						|
/** Query a domain name server for an IP address of a given hostname using Network interface name
 | 
						|
 *
 | 
						|
 *  @param stack    Network stack as target for DNS query
 | 
						|
 *  @param host     Hostname to resolve
 | 
						|
 *  @param callback Callback that is called for result
 | 
						|
 *  @param interface_name Network interface name
 | 
						|
 *  @param version  IP version to resolve (defaults to NSAPI_IPv4)
 | 
						|
 *  @return         0 on success, negative error code on failure or an unique id that
 | 
						|
 *                  represents the hostname translation operation and can be passed to
 | 
						|
 *                  cancel, NSAPI_ERROR_DNS_FAILURE indicates the host could not be found
 | 
						|
 */
 | 
						|
nsapi_error_t nsapi_dns_query_async(NetworkStack *stack, const char *host,
 | 
						|
                                    NetworkStack::hostbyname_cb_t callback, call_in_callback_cb_t call_in_cb,
 | 
						|
                                    const char *interface_name, nsapi_version_t version = NSAPI_IPv4);
 | 
						|
 | 
						|
/** Query a domain name server for an IP address of a given hostname (asynchronous)
 | 
						|
 *
 | 
						|
 *  @param stack    Network stack as target for DNS query
 | 
						|
 *  @param host     Hostname to resolve
 | 
						|
 *  @param addr     Destination for the host address
 | 
						|
 *  @param version  IP version to resolve (defaults to NSAPI_IPv4)
 | 
						|
 *  @return         0 on success, negative error code on failure
 | 
						|
 *                  NSAPI_ERROR_DNS_FAILURE indicates the host could not be found
 | 
						|
 */
 | 
						|
extern "C" nsapi_error_t nsapi_dns_query(nsapi_stack_t *stack, const char *host,
 | 
						|
                                         nsapi_addr_t *addr, nsapi_version_t version = NSAPI_IPv4);
 | 
						|
 | 
						|
/** Query a domain name server for an IP address of a given hostname
 | 
						|
 *
 | 
						|
 *  @param stack    Network stack as target for DNS query
 | 
						|
 *  @param host     Hostname to resolve
 | 
						|
 *  @param addr     Destination for the host address
 | 
						|
 *  @param version  IP version to resolve (defaults to NSAPI_IPv4)
 | 
						|
 *  @return         0 on success, negative error code on failure
 | 
						|
 *                  NSAPI_ERROR_DNS_FAILURE indicates the host could not be found
 | 
						|
 */
 | 
						|
template <typename S>
 | 
						|
nsapi_error_t nsapi_dns_query(S *stack, const char *host,
 | 
						|
                              SocketAddress *addr, nsapi_version_t version = NSAPI_IPv4)
 | 
						|
{
 | 
						|
    return nsapi_dns_query(nsapi_create_stack(stack), host, addr, version);
 | 
						|
}
 | 
						|
 | 
						|
/** Query a domain name server for multiple IP address of a given hostname
 | 
						|
 *
 | 
						|
 *  @param stack      Network stack as target for DNS query
 | 
						|
 *  @param host       Hostname to resolve
 | 
						|
 *  @param addr       Array for the host addresses
 | 
						|
 *  @param addr_count Number of addresses allocated in the array
 | 
						|
 *  @param version    IP version to resolve (defaults to NSAPI_IPv4)
 | 
						|
 *  @return           Number of addresses found on success, negative error code on failure
 | 
						|
 *                    NSAPI_ERROR_DNS_FAILURE indicates the host could not be found
 | 
						|
 */
 | 
						|
nsapi_size_or_error_t nsapi_dns_query_multiple(NetworkStack *stack, const char *host,
 | 
						|
                                               SocketAddress *addr, nsapi_size_t addr_count,  const char *interface_name, nsapi_version_t version = NSAPI_IPv4);
 | 
						|
 | 
						|
/** Query a domain name server for an IP address of a given hostname (asynchronous)
 | 
						|
 *
 | 
						|
 *  @param stack      Network stack as target for DNS query
 | 
						|
 *  @param host       Hostname to resolve
 | 
						|
 *  @param callback   Callback that is called for result
 | 
						|
 *  @param addr_count Number of addresses allocated in the array
 | 
						|
 *  @param version    IP version to resolve (defaults to NSAPI_IPv4)
 | 
						|
 *  @return           0 on success, negative error code on failure or an unique id that
 | 
						|
                      represents the hostname translation operation and can be passed to
 | 
						|
 *                    cancel, NSAPI_ERROR_DNS_FAILURE indicates the host could not be found
 | 
						|
 */
 | 
						|
nsapi_size_or_error_t nsapi_dns_query_multiple_async(NetworkStack *stack, const char *host,
 | 
						|
                                                     NetworkStack::hostbyname_cb_t callback, nsapi_size_t addr_count,
 | 
						|
                                                     call_in_callback_cb_t call_in_cb, const char *interface_name, nsapi_version_t version = NSAPI_IPv4);
 | 
						|
 | 
						|
/** Query a domain name server for multiple IP address of a given hostname
 | 
						|
 *
 | 
						|
 *  @param stack      Network stack as target for DNS query
 | 
						|
 *  @param host       Hostname to resolve
 | 
						|
 *  @param addr       Array for the host addresses
 | 
						|
 *  @param addr_count Number of addresses allocated in the array
 | 
						|
 *  @param version    IP version to resolve (defaults to NSAPI_IPv4)
 | 
						|
 *  @return           Number of addresses found on success, negative error code on failure
 | 
						|
 *                    NSAPI_ERROR_DNS_FAILURE indicates the host could not be found
 | 
						|
 */
 | 
						|
extern "C" nsapi_size_or_error_t nsapi_dns_query_multiple(nsapi_stack_t *stack, const char *host,
 | 
						|
                                                          nsapi_addr_t *addr, nsapi_size_t addr_count, const char *interface_name, nsapi_version_t version = NSAPI_IPv4);
 | 
						|
 | 
						|
 | 
						|
/** Query a domain name server for multiple IP address of a given hostname
 | 
						|
 *
 | 
						|
 *  @param stack      Network stack as target for DNS query
 | 
						|
 *  @param host       Hostname to resolve
 | 
						|
 *  @param addr       Array for the host addresses
 | 
						|
 *  @param addr_count Number of addresses allocated in the array
 | 
						|
 *  @param version    IP version to resolve (defaults to NSAPI_IPv4)
 | 
						|
 *  @return           Number of addresses found on success, negative error code on failure
 | 
						|
 *                    NSAPI_ERROR_DNS_FAILURE indicates the host could not be found
 | 
						|
 */
 | 
						|
template <typename S>
 | 
						|
nsapi_size_or_error_t nsapi_dns_query_multiple(S *stack, const char *host,
 | 
						|
                                               SocketAddress *addr, nsapi_size_t addr_count, nsapi_version_t version = NSAPI_IPv4)
 | 
						|
{
 | 
						|
    return nsapi_dns_query_multiple(nsapi_create_stack(stack),
 | 
						|
                                    host, addr, addr_count, version);
 | 
						|
}
 | 
						|
 | 
						|
/** Cancels asynchronous hostname translation
 | 
						|
  *
 | 
						|
  *  When translation is cancelled, callback will not be called.
 | 
						|
  *
 | 
						|
  *  @param id       Unique id of the hostname translation operation
 | 
						|
  *  @return         0 on success, negative error code on failure
 | 
						|
  */
 | 
						|
nsapi_error_t nsapi_dns_query_async_cancel(nsapi_error_t id);
 | 
						|
 | 
						|
/** Set a call in callback
 | 
						|
 *
 | 
						|
 *  Can be used to provide an application specific call in callback to
 | 
						|
 *  DNS resolver. When callback is set it is used instead of stack
 | 
						|
 *  specific call in callbacks.
 | 
						|
 *
 | 
						|
 *  @param callback  Callback
 | 
						|
 */
 | 
						|
void nsapi_dns_call_in_set(call_in_callback_cb_t callback);
 | 
						|
 | 
						|
/** Add a domain name server to list of servers to query
 | 
						|
 *
 | 
						|
 *  @param addr     Destination for the host address
 | 
						|
 *  @return         0 on success, negative error code on failure
 | 
						|
 */
 | 
						|
extern "C" nsapi_error_t nsapi_dns_add_server(nsapi_addr_t addr, const char *interface_name);
 | 
						|
 | 
						|
/** Add a domain name server to list of servers to query
 | 
						|
 *
 | 
						|
 *  @param addr     Destination for the host address
 | 
						|
 *  @return         0 on success, negative error code on failure
 | 
						|
 */
 | 
						|
static inline nsapi_error_t nsapi_dns_add_server(const SocketAddress &address, const char *interface_name)
 | 
						|
{
 | 
						|
    return nsapi_dns_add_server(address.get_addr(), interface_name);
 | 
						|
}
 | 
						|
 | 
						|
/** Add a domain name server to list of servers to query
 | 
						|
 *
 | 
						|
 *  @param addr     Destination for the host address
 | 
						|
 *  @return         0 on success, negative error code on failure
 | 
						|
 */
 | 
						|
static inline nsapi_error_t nsapi_dns_add_server(const char *address, const char *interface_name)
 | 
						|
{
 | 
						|
    return nsapi_dns_add_server(SocketAddress(address), interface_name);
 | 
						|
}
 | 
						|
 | 
						|
 | 
						|
#endif
 | 
						|
 | 
						|
#endif
 | 
						|
 | 
						|
/** @}*/
 |