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 */
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 */
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#ifndef __NET_ICMP_H__
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#ifndef __NET_ICMP_H__
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#define __NET_ICMP_H__
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#define __NET_ICMP_H__
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#include <atomic.h>
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#include <fibril_sync.h>
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#include <fibril_sync.h>
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#include "../../include/icmp_codes.h"
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#include "../../include/icmp_codes.h"
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#include "../../structures/int_map.h"
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#include "../../structures/int_map.h"
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#include "../../structures/generic_field.h"
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#include "../../structures/generic_field.h"
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#include "icmp_header.h"
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#include "icmp_header.h"
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/** Type definition of the ICMP reply data.
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 *  @see icmp_reply
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 */
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typedef struct icmp_reply   icmp_reply_t;
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/** Type definition of the ICMP reply data pointer.
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 *  @see icmp_reply
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 */
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typedef icmp_reply_t *  icmp_reply_ref;
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/** Type definition of the ICMP global data.
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/** Type definition of the ICMP global data.
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 *  @see icmp_globals
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 *  @see icmp_globals
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 */
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 */
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typedef struct icmp_globals icmp_globals_t;
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typedef struct icmp_globals icmp_globals_t;
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/** Timeout locks map.
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/** Pending replies map.
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 *  Maps message identifiers to timeout implementing atomic variables.
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 *  Maps message identifiers to the pending replies.
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 *  Sending fibril waits for its associated atomic variable to be set nonzero.
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 *  Sending fibril waits for its associated reply event.
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 *  Receiving fibril sets the associated atomic variable with the return value.
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 *  Receiving fibril sets the associated reply with the return value and signals the event.
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 */
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 */
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INT_MAP_DECLARE( time_locks, atomic_t );
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INT_MAP_DECLARE( icmp_replies, icmp_reply_t );
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/** Echo specific data field.
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/** Echo specific data field.
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 *  Used for bundle modules.
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 *  Used for bundle modules.
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 *  The bundle module gets an index to the assigned echo specific data while connecting.
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 *  The bundle module gets an index to the assigned echo specific data while connecting.
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 *  The index is used in the future semi-remote calls instead of the ICMP phone.
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 *  The index is used in the future semi-remote calls instead of the ICMP phone.
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 */
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 */
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GENERIC_FIELD_DECLARE( echo_data, icmp_echo_t );
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GENERIC_FIELD_DECLARE( icmp_echo_data, icmp_echo_t );
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/** ICMP reply data.
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 */
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struct icmp_reply{
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    /** Reply result.
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     */
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    int                 result;
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    /** Safety lock.
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     */
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    fibril_mutex_t      mutex;
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    /** Received or timeouted reply signaling.
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     */
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    fibril_condvar_t    condvar;
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};
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/** ICMP global data.
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/** ICMP global data.
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 */
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 */
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struct  icmp_globals{
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struct  icmp_globals{
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    /** IP module phone.
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    /** IP module phone.
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     */
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     */
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    size_t          addr_len;
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    size_t          addr_len;
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    /** Networking module phone.
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    /** Networking module phone.
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     */
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     */
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    int             net_phone;
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    int             net_phone;
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    /** Indicates whether ICMP error reporting is enabled.
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     */
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    int             error_reporting;
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    /** Indicates whether ICMP echo replying (ping) is enabled.
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     */
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    int             echo_replying;
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    /** The last used identifier number.
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    /** The last used identifier number.
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     */
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     */
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    icmp_param_t    last_used_id;
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    icmp_param_t    last_used_id;
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    /** The budled modules assigned echo specific data.
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    /** The budled modules assigned echo specific data.
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     */
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     */
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    echo_data_t     echo_data;
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    icmp_echo_data_t    echo_data;
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    /** Echo timeout locks.
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    /** Echo timeout locks.
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     */
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     */
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    time_locks_t    time_locks;
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    icmp_replies_t  replies;
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    /** Safety lock.
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    /** Safety lock.
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     */
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     */
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    fibril_rwlock_t lock;
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    fibril_rwlock_t lock;
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};
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};
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