diff options
Diffstat (limited to 'indra/llmessage/llcircuit.h')
| -rwxr-xr-x[-rw-r--r--] | indra/llmessage/llcircuit.h | 126 |
1 files changed, 61 insertions, 65 deletions
diff --git a/indra/llmessage/llcircuit.h b/indra/llmessage/llcircuit.h index e373cb116f..b8021bc9f0 100644..100755 --- a/indra/llmessage/llcircuit.h +++ b/indra/llmessage/llcircuit.h @@ -3,31 +3,25 @@ * @brief Provides a method for tracking network circuit information * for the UDP message system * - * $LicenseInfo:firstyear=2001&license=viewergpl$ - * - * Copyright (c) 2001-2009, Linden Research, Inc. - * + * $LicenseInfo:firstyear=2001&license=viewerlgpl$ * Second Life Viewer Source Code - * The source code in this file ("Source Code") is provided by Linden Lab - * to you under the terms of the GNU General Public License, version 2.0 - * ("GPL"), unless you have obtained a separate licensing agreement - * ("Other License"), formally executed by you and Linden Lab. Terms of - * the GPL can be found in doc/GPL-license.txt in this distribution, or - * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2 + * Copyright (C) 2010, Linden Research, Inc. * - * There are special exceptions to the terms and conditions of the GPL as - * it is applied to this Source Code. View the full text of the exception - * in the file doc/FLOSS-exception.txt in this software distribution, or - * online at - * http://secondlifegrid.net/programs/open_source/licensing/flossexception + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; + * version 2.1 of the License only. * - * By copying, modifying or distributing this software, you acknowledge - * that you have read and understood your obligations described above, - * and agree to abide by those obligations. + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. * - * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO - * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY, - * COMPLETENESS OR PERFORMANCE. + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + * + * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA * $/LicenseInfo$ */ @@ -40,24 +34,24 @@ #include "llerror.h" #include "lltimer.h" -#include "timing.h" #include "net.h" #include "llhost.h" #include "llpacketack.h" #include "lluuid.h" #include "llthrottle.h" -#include "llstat.h" // // Constants // const F32 LL_AVERAGED_PING_ALPHA = 0.2f; // relaxation constant on ping running average -const F32 LL_AVERAGED_PING_MAX = 2000; // msec -const F32 LL_AVERAGED_PING_MIN = 100; // msec // IW: increased to avoid retransmits when a process is slow +const F32Milliseconds LL_AVERAGED_PING_MAX(2000); +const F32Milliseconds LL_AVERAGED_PING_MIN(100); // increased to avoid retransmits when a process is slow -const U32 INITIAL_PING_VALUE_MSEC = 1000; // initial value for the ping delay, or for ping delay for an unknown circuit +const U32Milliseconds INITIAL_PING_VALUE_MSEC(1000); // initial value for the ping delay, or for ping delay for an unknown circuit const TPACKETID LL_MAX_OUT_PACKET_ID = 0x01000000; +const int LL_ERR_CIRCUIT_GONE = -23017; +const int LL_ERR_TCP_TIMEOUT = -23016; // 0 - flags // [1,4] - packetid @@ -66,6 +60,7 @@ const U8 LL_PACKET_ID_SIZE = 6; const S32 LL_MAX_RESENT_PACKETS_PER_FRAME = 100; const S32 LL_MAX_ACKED_PACKETS_PER_FRAME = 200; +const F32 LL_COLLECT_ACK_TIME_MAX = 2.f; // // Prototypes and Predefines @@ -83,10 +78,10 @@ class LLCircuitData { public: LLCircuitData(const LLHost &host, TPACKETID in_id, - const F32 circuit_heartbeat_interval, const F32 circuit_timeout); + const F32Seconds circuit_heartbeat_interval, const F32Seconds circuit_timeout); ~LLCircuitData(); - S32 resendUnackedPackets(const F64 now); + S32 resendUnackedPackets(const F64Seconds now); void clearDuplicateList(TPACKETID oldest_id); @@ -112,30 +107,29 @@ public: // mLocalEndPointID should only ever be setup in the LLCircuitData constructor const LLUUID& getLocalEndPointID() const { return mLocalEndPointID; } - U32 getPingDelay() const; + U32Milliseconds getPingDelay() const; S32 getPingsInTransit() const { return mPingsInTransit; } // ACCESSORS BOOL isAlive() const; BOOL isBlocked() const; BOOL getAllowTimeout() const; - F32 getPingDelayAveraged(); - F32 getPingInTransitTime(); + F32Milliseconds getPingDelayAveraged(); + F32Milliseconds getPingInTransitTime(); U32 getPacketsIn() const; - S32 getBytesIn() const; - S32 getBytesOut() const; + S32Bytes getBytesIn() const; + S32Bytes getBytesOut() const; U32 getPacketsOut() const; U32 getPacketsLost() const; TPACKETID getPacketOutID() const; BOOL getTrusted() const; - F32 getAgeInSeconds() const; + F32 getAgeInSeconds() const; S32 getUnackedPacketCount() const { return mUnackedPacketCount; } S32 getUnackedPacketBytes() const { return mUnackedPacketBytes; } - F64 getNextPingSendTime() const { return mNextPingSendTime; } - F32 getOutOfOrderRate(LLStatAccum::TimeScale scale = LLStatAccum::SCALE_MINUTE) - { return mOutOfOrderRate.meanValue(scale); } + F64Seconds getNextPingSendTime() const { return mNextPingSendTime; } U32 getLastPacketGap() const { return mLastPacketGap; } LLHost getHost() const { return mHost; } + F64Seconds getLastPacketInTime() const { return mLastPacketInTime; } LLThrottleGroup &getThrottleGroup() { return mThrottles; } @@ -171,11 +165,11 @@ protected: TPACKETID nextPacketOutID(); void setPacketInID(TPACKETID id); void checkPacketInID(TPACKETID id, BOOL receive_resent); - void setPingDelay(U32 ping); + void setPingDelay(U32Milliseconds ping); BOOL checkCircuitTimeout(); // Return FALSE if the circuit is dead and should be cleaned up - void addBytesIn(S32 bytes); - void addBytesOut(S32 bytes); + void addBytesIn(S32Bytes bytes); + void addBytesOut(S32Bytes bytes); U8 nextPingID() { mLastPingID++; return mLastPingID; } @@ -226,24 +220,25 @@ protected: BOOL mBlocked; // Blocked is true if the circuit is hosed, i.e. far behind on pings // Not sure what the difference between this and mLastPingSendTime is - F64 mPingTime; // Time at which a ping was sent. + F64Seconds mPingTime; // Time at which a ping was sent. - F64 mLastPingSendTime; // Time we last sent a ping - F64 mLastPingReceivedTime; // Time we last received a ping - F64 mNextPingSendTime; // Time to try and send the next ping - S32 mPingsInTransit; // Number of pings in transit - U8 mLastPingID; // ID of the last ping that we sent out + F64Seconds mLastPingSendTime; // Time we last sent a ping + F64Seconds mLastPingReceivedTime; // Time we last received a ping + F64Seconds mNextPingSendTime; // Time to try and send the next ping + S32 mPingsInTransit; // Number of pings in transit + U8 mLastPingID; // ID of the last ping that we sent out // Used for determining the resend time for reliable resends. - U32 mPingDelay; // raw ping delay - F32 mPingDelayAveraged; // averaged ping delay (fast attack/slow decay) + U32Milliseconds mPingDelay; // raw ping delay + F32Milliseconds mPingDelayAveraged; // averaged ping delay (fast attack/slow decay) - typedef std::map<TPACKETID, U64> packet_time_map; + typedef std::map<TPACKETID, U64Microseconds> packet_time_map; packet_time_map mPotentialLostPackets; packet_time_map mRecentlyReceivedReliablePackets; std::vector<TPACKETID> mAcks; + F32 mAckCreationTime; // first ack creation time typedef std::map<TPACKETID, LLReliablePacket *> reliable_map; typedef reliable_map::iterator reliable_iter; @@ -254,6 +249,7 @@ protected: S32 mUnackedPacketCount; S32 mUnackedPacketBytes; + F64Seconds mLastPacketInTime; // Time of last packet arrival LLUUID mLocalEndPointID; @@ -265,25 +261,24 @@ protected: U32 mPacketsOut; U32 mPacketsIn; S32 mPacketsLost; - S32 mBytesIn; - S32 mBytesOut; - - F32 mLastPeriodLength; // seconds - S32 mBytesInLastPeriod; - S32 mBytesOutLastPeriod; - S32 mBytesInThisPeriod; - S32 mBytesOutThisPeriod; + S32Bytes mBytesIn, + mBytesOut; + + F32Seconds mLastPeriodLength; + S32Bytes mBytesInLastPeriod; + S32Bytes mBytesOutLastPeriod; + S32Bytes mBytesInThisPeriod; + S32Bytes mBytesOutThisPeriod; F32 mPeakBPSIn; // bits per second, max of all period bps F32 mPeakBPSOut; // bits per second, max of all period bps - F64 mPeriodTime; + F64Seconds mPeriodTime; LLTimer mExistenceTimer; // initialized when circuit created, used to track bandwidth numbers S32 mCurrentResendCount; // Number of resent packets since last spam - LLStatRate mOutOfOrderRate; // Rate of out of order packets coming in. U32 mLastPacketGap; // Gap in sequence number of last packet. - const F32 mHeartbeatInterval; - const F32 mHeartbeatTimeout; + const F32Seconds mHeartbeatInterval; + const F32Seconds mHeartbeatTimeout; }; @@ -293,7 +288,7 @@ class LLCircuit { public: // CREATORS - LLCircuit(const F32 circuit_heartbeat_interval, const F32 circuit_timeout); + LLCircuit(const F32Seconds circuit_heartbeat_interval, const F32Seconds circuit_timeout); ~LLCircuit(); // ACCESSORS @@ -309,7 +304,7 @@ public: // this method is called during the message system processAcks() // to send out any acks that did not get sent already. - void sendAcks(); + void sendAcks(F32 collect_time); friend std::ostream& operator<<(std::ostream& s, LLCircuit &circuit); void getInfo(LLSD& info) const; @@ -340,6 +335,7 @@ protected: circuit_data_map mCircuitData; typedef std::set<LLCircuitData *, LLCircuitData::less> ping_set_t; // Circuits sorted by next ping time + ping_set_t mPingSet; // This variable points to the last circuit data we found to @@ -348,7 +344,7 @@ protected: mutable LLCircuitData* mLastCircuit; private: - const F32 mHeartbeatInterval; - const F32 mHeartbeatTimeout; + const F32Seconds mHeartbeatInterval; + const F32Seconds mHeartbeatTimeout; }; #endif |