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Diffstat (limited to 'src/tools/mdnssd/uDNS.h')
| -rwxr-xr-x | src/tools/mdnssd/uDNS.h | 136 |
1 files changed, 0 insertions, 136 deletions
diff --git a/src/tools/mdnssd/uDNS.h b/src/tools/mdnssd/uDNS.h deleted file mode 100755 index 8e46ffa77d4..00000000000 --- a/src/tools/mdnssd/uDNS.h +++ /dev/null @@ -1,136 +0,0 @@ -/* -*- Mode: C; tab-width: 4 -*- - * - * Copyright (c) 2002-2003 Apple Computer, Inc. All rights reserved. - * - * 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. - */ - -#ifndef __UDNS_H_ -#define __UDNS_H_ - -#include "mDNSEmbeddedAPI.h" -#include "DNSCommon.h" - -#ifdef __cplusplus - extern "C" { -#endif - -#define RESTART_GOODBYE_DELAY (6 * mDNSPlatformOneSecond) // delay after restarting LLQ before nuking previous known answers (avoids flutter if we restart before we have networking up) -#define INIT_UCAST_POLL_INTERVAL (3 * mDNSPlatformOneSecond) // this interval is used after send failures on network transitions - // which typically heal quickly, so we start agressively and exponentially back off -#define MAX_UCAST_POLL_INTERVAL (60 * 60 * mDNSPlatformOneSecond) -//#define MAX_UCAST_POLL_INTERVAL (1 * 60 * mDNSPlatformOneSecond) -#define LLQ_POLL_INTERVAL (15 * 60 * mDNSPlatformOneSecond) // Polling interval for zones w/ an advertised LLQ port (ie not static zones) if LLQ fails due to NAT, etc. -#define RESPONSE_WINDOW (60 * mDNSPlatformOneSecond) // require server responses within one minute of request -#define MAX_UCAST_UNANSWERED_QUERIES 2 // the number of unanswered queries from any one uDNS server before trying another server -#define DNSSERVER_PENALTY_TIME (60 * mDNSPlatformOneSecond) // number of seconds for which new questions don't pick this server - -// On some interfaces, we want to delay the first retransmission to a minimum of 2 seconds -// rather than the default (1 second). -#define MIN_UCAST_RETRANS_TIMEOUT (2 * mDNSPlatformOneSecond) - -#define DEFAULT_UPDATE_LEASE 7200 - -#define QuestionIntervalStep 3 -#define QuestionIntervalStep2 (QuestionIntervalStep*QuestionIntervalStep) -#define QuestionIntervalStep3 (QuestionIntervalStep*QuestionIntervalStep*QuestionIntervalStep) -#define InitialQuestionInterval ((mDNSPlatformOneSecond + QuestionIntervalStep-1) / QuestionIntervalStep) - -// For Unicast record registrations, we initialize the interval to 1 second. When we send any query for -// the record registration e.g., GetZoneData, we always back off by QuestionIntervalStep -// so that the first retry does not happen until 3 seconds which should be enough for TCP/TLS to be done. -#define INIT_RECORD_REG_INTERVAL (1 * mDNSPlatformOneSecond) -#define MAX_RECORD_REG_INTERVAL (15 * 60 * mDNSPlatformOneSecond) -#define MERGE_DELAY_TIME (1 * mDNSPlatformOneSecond) - -// If we are refreshing, we do it at least 5 times with a min update frequency of -// 5 minutes -#define MAX_UPDATE_REFRESH_COUNT 5 -#define MIN_UPDATE_REFRESH_TIME (5 * 60 * mDNSPlatformOneSecond) - -// For questions that use kDNSServiceFlagsTimeout and we don't have a matching resolver e.g., no dns servers, -// then use the default value of 30 seconds -#define DEFAULT_UDNS_TIMEOUT 30 // in seconds - -// Entry points into unicast-specific routines - -extern void LLQGotZoneData(mDNS *const m, mStatus err, const ZoneData *zoneInfo); -extern void startLLQHandshake(mDNS *m, DNSQuestion *q); -extern void sendLLQRefresh(mDNS *m, DNSQuestion *q); - -extern void SleepRecordRegistrations(mDNS *m); - -// uDNS_UpdateRecord -// following fields must be set, and the update validated, upon entry. -// rr->NewRData -// rr->newrdlength -// rr->UpdateCallback - -extern mStatus uDNS_UpdateRecord(mDNS *m, AuthRecord *rr); - -extern void SetNextQueryTime(mDNS *const m, const DNSQuestion *const q); -extern CacheGroup *CacheGroupForName(const mDNS *const m, const mDNSu32 slot, const mDNSu32 namehash, const domainname *const name); -extern mStatus mDNS_Register_internal(mDNS *const m, AuthRecord *const rr); -extern mStatus mDNS_Deregister_internal(mDNS *const m, AuthRecord *const rr, mDNS_Dereg_type drt); -extern mStatus mDNS_StartQuery_internal(mDNS *const m, DNSQuestion *const question); -extern mStatus mDNS_StopQuery_internal(mDNS *const m, DNSQuestion *const question); -extern mStatus mDNS_StartNATOperation_internal(mDNS *const m, NATTraversalInfo *traversal); - -extern void RecordRegistrationGotZoneData(mDNS *const m, mStatus err, const ZoneData *zoneData); -extern mStatus uDNS_DeregisterRecord(mDNS *const m, AuthRecord *const rr); -extern const domainname *GetServiceTarget(mDNS *m, AuthRecord *const rr); -extern void uDNS_CheckCurrentQuestion(mDNS *const m); - -// integer fields of msg header must be in HOST byte order before calling this routine -extern void uDNS_ReceiveMsg(mDNS *const m, DNSMessage *const msg, const mDNSu8 *const end, - const mDNSAddr *const srcaddr, const mDNSIPPort srcport); - -extern void uDNS_Tasks(mDNS *const m); -extern void UpdateAllSRVRecords(mDNS *m); -extern void CheckNATMappings(mDNS *m); - -extern mStatus uDNS_SetupDNSConfig(mDNS *const m); - -// uDNS_SetupSearchDomains by default adds search domains. It also can be called with one or -// more values for "action" which does the following: -// -// -UDNS_START_WAB_QUERY - start Wide Area Bonjour (domain enumeration) queries - -#define UDNS_START_WAB_QUERY 0x00000001 - -extern mStatus uDNS_SetupSearchDomains(mDNS *const m, int action); -extern domainname *uDNS_GetNextSearchDomain(mDNS *const m, mDNSInterfaceID InterfaceID, mDNSs8 *searchIndex, mDNSBool ignoreDotLocal); - -typedef enum - { - uDNS_LLQ_Not = 0, // Normal uDNS answer: Flush any stale records from cache, and respect record TTL - uDNS_LLQ_Ignore, // LLQ initial challenge packet: ignore -- has no useful records for us - uDNS_LLQ_Entire, // LLQ initial set of answers: Flush any stale records from cache, but assume TTL is 2 x LLQ refresh interval - uDNS_LLQ_Events // LLQ event packet: don't flush cache; assume TTL is 2 x LLQ refresh interval - } uDNS_LLQType; - -extern uDNS_LLQType uDNS_recvLLQResponse(mDNS *const m, const DNSMessage *const msg, const mDNSu8 *const end, const mDNSAddr *const srcaddr, const mDNSIPPort srcport, DNSQuestion **matchQuestion); -extern DomainAuthInfo *GetAuthInfoForName_internal(mDNS *m, const domainname *const name); -extern DomainAuthInfo *GetAuthInfoForQuestion(mDNS *m, const DNSQuestion *const q); -extern void DisposeTCPConn(struct tcpInfo_t *tcp); - -// NAT traversal -extern void uDNS_ReceiveNATPMPPacket(mDNS *m, const mDNSInterfaceID InterfaceID, mDNSu8 *pkt, mDNSu16 len); // Called for each received NAT-PMP packet -extern void natTraversalHandleAddressReply(mDNS *const m, mDNSu16 err, mDNSv4Addr ExtAddr); -extern void natTraversalHandlePortMapReply(mDNS *const m, NATTraversalInfo *n, const mDNSInterfaceID InterfaceID, mDNSu16 err, mDNSIPPort extport, mDNSu32 lease); - -#ifdef __cplusplus - } -#endif - -#endif // __UDNS_H_ |