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authorMike Gabriel <mike.gabriel@das-netzwerkteam.de>2011-11-19 15:59:16 +0100
committerMike Gabriel <mike.gabriel@das-netzwerkteam.de>2011-11-19 15:59:16 +0100
commita48361b11a5abb5a345dac5ec83a8f56c4d50b74 (patch)
treea16fb870a072450bb45ee09ac4df9887bfa7f98e /nxcomp/Statistics.cpp
parent9997e13bb583de4012914006c7507839a4e11227 (diff)
parent232dfc41d41390bfffa75ec2ed065c109fa03a0e (diff)
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Merge branch 'nxcomp'
Diffstat (limited to 'nxcomp/Statistics.cpp')
-rw-r--r--nxcomp/Statistics.cpp1995
1 files changed, 1995 insertions, 0 deletions
diff --git a/nxcomp/Statistics.cpp b/nxcomp/Statistics.cpp
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+++ b/nxcomp/Statistics.cpp
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+/**************************************************************************/
+/* */
+/* Copyright (c) 2001, 2010 NoMachine, http://www.nomachine.com/. */
+/* */
+/* NXCOMP, NX protocol compression and NX extensions to this software */
+/* are copyright of NoMachine. Redistribution and use of the present */
+/* software is allowed according to terms specified in the file LICENSE */
+/* which comes in the source distribution. */
+/* */
+/* Check http://www.nomachine.com/licensing.html for applicability. */
+/* */
+/* NX and NoMachine are trademarks of Medialogic S.p.A. */
+/* */
+/* All rights reserved. */
+/* */
+/**************************************************************************/
+
+#include <stdio.h>
+
+#include "Statistics.h"
+
+#include "Control.h"
+
+#include "Proxy.h"
+
+#include "ClientStore.h"
+#include "ServerStore.h"
+
+//
+// Length of temporary buffer
+// used to format output.
+//
+
+#define FORMAT_LENGTH 1024
+
+//
+// Log level.
+//
+
+#define PANIC
+#define WARNING
+#undef TEST
+#undef DEBUG
+
+//
+// Note that when presenting statistics we invert the
+// correct semantics of X client and server entities.
+// This is questionable, but matches the user's pers-
+// pective of running remote X applications on its
+// local client.
+//
+
+Statistics::Statistics(Proxy *proxy) : proxy_(proxy)
+{
+ transportPartial_.idleTime_ = 0;
+ transportPartial_.readTime_ = 0;
+ transportPartial_.writeTime_ = 0;
+ transportPartial_.proxyBytesIn_ = 0;
+ transportPartial_.proxyBytesOut_ = 0;
+ transportPartial_.proxyFramesIn_ = 0;
+ transportPartial_.proxyFramesOut_ = 0;
+ transportPartial_.proxyWritesOut_ = 0;
+ transportPartial_.compressedBytesIn_ = 0;
+ transportPartial_.compressedBytesOut_ = 0;
+ transportPartial_.decompressedBytesIn_ = 0;
+ transportPartial_.decompressedBytesOut_ = 0;
+ transportPartial_.framingBitsOut_ = 0;
+
+ transportTotal_.idleTime_ = 0;
+ transportTotal_.readTime_ = 0;
+ transportTotal_.writeTime_ = 0;
+ transportTotal_.proxyBytesIn_ = 0;
+ transportTotal_.proxyBytesOut_ = 0;
+ transportTotal_.proxyFramesIn_ = 0;
+ transportTotal_.proxyFramesOut_ = 0;
+ transportTotal_.proxyWritesOut_ = 0;
+ transportTotal_.compressedBytesIn_ = 0;
+ transportTotal_.compressedBytesOut_ = 0;
+ transportTotal_.decompressedBytesIn_ = 0;
+ transportTotal_.decompressedBytesOut_ = 0;
+ transportTotal_.framingBitsOut_ = 0;
+
+ for (int i = 0; i < STATISTICS_OPCODE_MAX; i++)
+ {
+ protocolPartial_.requestCached_[i] = 0;
+ protocolPartial_.requestReplied_[i] = 0;
+ protocolPartial_.requestCount_[i] = 0;
+ protocolPartial_.requestBitsIn_[i] = 0;
+ protocolPartial_.requestBitsOut_[i] = 0;
+
+ protocolPartial_.renderRequestCached_[i] = 0;
+ protocolPartial_.renderRequestCount_[i] = 0;
+ protocolPartial_.renderRequestBitsIn_[i] = 0;
+ protocolPartial_.renderRequestBitsOut_[i] = 0;
+
+ protocolPartial_.replyCached_[i] = 0;
+ protocolPartial_.replyCount_[i] = 0;
+ protocolPartial_.replyBitsIn_[i] = 0;
+ protocolPartial_.replyBitsOut_[i] = 0;
+
+ protocolPartial_.eventCached_[i] = 0;
+ protocolPartial_.eventCount_[i] = 0;
+ protocolPartial_.eventBitsIn_[i] = 0;
+ protocolPartial_.eventBitsOut_[i] = 0;
+
+ protocolTotal_.requestCached_[i] = 0;
+ protocolTotal_.requestReplied_[i] = 0;
+ protocolTotal_.requestCount_[i] = 0;
+ protocolTotal_.requestBitsIn_[i] = 0;
+ protocolTotal_.requestBitsOut_[i] = 0;
+
+ protocolTotal_.renderRequestCached_[i] = 0;
+ protocolTotal_.renderRequestCount_[i] = 0;
+ protocolTotal_.renderRequestBitsIn_[i] = 0;
+ protocolTotal_.renderRequestBitsOut_[i] = 0;
+
+ protocolTotal_.replyCached_[i] = 0;
+ protocolTotal_.replyCount_[i] = 0;
+ protocolTotal_.replyBitsIn_[i] = 0;
+ protocolTotal_.replyBitsOut_[i] = 0;
+
+ protocolTotal_.eventCached_[i] = 0;
+ protocolTotal_.eventCount_[i] = 0;
+ protocolTotal_.eventBitsIn_[i] = 0;
+ protocolTotal_.eventBitsOut_[i] = 0;
+ }
+
+ protocolPartial_.cupsCount_ = 0;
+ protocolPartial_.cupsBitsIn_ = 0;
+ protocolPartial_.cupsBitsOut_ = 0;
+
+ protocolPartial_.smbCount_ = 0;
+ protocolPartial_.smbBitsIn_ = 0;
+ protocolPartial_.smbBitsOut_ = 0;
+
+ protocolPartial_.mediaCount_ = 0;
+ protocolPartial_.mediaBitsIn_ = 0;
+ protocolPartial_.mediaBitsOut_ = 0;
+
+ protocolPartial_.httpCount_ = 0;
+ protocolPartial_.httpBitsIn_ = 0;
+ protocolPartial_.httpBitsOut_ = 0;
+
+ protocolPartial_.fontCount_ = 0;
+ protocolPartial_.fontBitsIn_ = 0;
+ protocolPartial_.fontBitsOut_ = 0;
+
+ protocolPartial_.slaveCount_ = 0;
+ protocolPartial_.slaveBitsIn_ = 0;
+ protocolPartial_.slaveBitsOut_ = 0;
+
+ protocolTotal_.cupsCount_ = 0;
+ protocolTotal_.cupsBitsIn_ = 0;
+ protocolTotal_.cupsBitsOut_ = 0;
+
+ protocolTotal_.smbCount_ = 0;
+ protocolTotal_.smbBitsIn_ = 0;
+ protocolTotal_.smbBitsOut_ = 0;
+
+ protocolTotal_.mediaCount_ = 0;
+ protocolTotal_.mediaBitsIn_ = 0;
+ protocolTotal_.mediaBitsOut_ = 0;
+
+ protocolTotal_.httpCount_ = 0;
+ protocolTotal_.httpBitsIn_ = 0;
+ protocolTotal_.httpBitsOut_ = 0;
+
+ protocolTotal_.fontCount_ = 0;
+ protocolTotal_.fontBitsIn_ = 0;
+ protocolTotal_.fontBitsOut_ = 0;
+
+ protocolTotal_.slaveCount_ = 0;
+ protocolTotal_.slaveBitsIn_ = 0;
+ protocolTotal_.slaveBitsOut_ = 0;
+
+ packedPartial_.packedBytesIn_ = 0;
+ packedPartial_.packedBytesOut_ = 0;
+
+ packedTotal_.packedBytesIn_ = 0;
+ packedTotal_.packedBytesOut_ = 0;
+
+ splitPartial_.splitCount_ = 0;
+ splitPartial_.splitAborted_ = 0;
+ splitPartial_.splitAbortedBytesOut_ = 0;
+
+ splitTotal_.splitCount_ = 0;
+ splitTotal_.splitAborted_ = 0;
+ splitTotal_.splitAbortedBytesOut_ = 0;
+
+ overallPartial_.overallBytesIn_ = 0;
+ overallPartial_.overallBytesOut_ = 0;
+
+ overallTotal_.overallBytesIn_ = 0;
+ overallTotal_.overallBytesOut_ = 0;
+
+ proxyData_.protocolCount_ = 0;
+ proxyData_.controlCount_ = 0;
+ proxyData_.splitCount_ = 0;
+ proxyData_.dataCount_ = 0;
+
+ proxyData_.streamRatio_ = 1;
+
+ startShortFrameTs_ = getTimestamp();
+ startLongFrameTs_ = getTimestamp();
+ startFrameTs_ = getTimestamp();
+
+ bytesInShortFrame_ = 0;
+ bytesInLongFrame_ = 0;
+
+ bitrateInShortFrame_ = 0;
+ bitrateInLongFrame_ = 0;
+
+ topBitrate_ = 0;
+
+ congestionInFrame_ = 0;
+}
+
+Statistics::~Statistics()
+{
+}
+
+int Statistics::resetPartialStats()
+{
+ transportPartial_.idleTime_ = 0;
+ transportPartial_.readTime_ = 0;
+ transportPartial_.writeTime_ = 0;
+ transportPartial_.proxyBytesIn_ = 0;
+ transportPartial_.proxyBytesOut_ = 0;
+ transportPartial_.proxyFramesIn_ = 0;
+ transportPartial_.proxyFramesOut_ = 0;
+ transportPartial_.proxyWritesOut_ = 0;
+ transportPartial_.compressedBytesIn_ = 0;
+ transportPartial_.compressedBytesOut_ = 0;
+ transportPartial_.decompressedBytesIn_ = 0;
+ transportPartial_.decompressedBytesOut_ = 0;
+ transportPartial_.framingBitsOut_ = 0;
+
+ for (int i = 0; i < STATISTICS_OPCODE_MAX; i++)
+ {
+ protocolPartial_.requestCached_[i] = 0;
+ protocolPartial_.requestReplied_[i] = 0;
+ protocolPartial_.requestCount_[i] = 0;
+ protocolPartial_.requestBitsIn_[i] = 0;
+ protocolPartial_.requestBitsOut_[i] = 0;
+
+ protocolPartial_.renderRequestCached_[i] = 0;
+ protocolPartial_.renderRequestCount_[i] = 0;
+ protocolPartial_.renderRequestBitsIn_[i] = 0;
+ protocolPartial_.renderRequestBitsOut_[i] = 0;
+
+ protocolPartial_.replyCached_[i] = 0;
+ protocolPartial_.replyCount_[i] = 0;
+ protocolPartial_.replyBitsIn_[i] = 0;
+ protocolPartial_.replyBitsOut_[i] = 0;
+
+ protocolPartial_.eventCached_[i] = 0;
+ protocolPartial_.eventCount_[i] = 0;
+ protocolPartial_.eventBitsIn_[i] = 0;
+ protocolPartial_.eventBitsOut_[i] = 0;
+ }
+
+ protocolPartial_.cupsCount_ = 0;
+ protocolPartial_.cupsBitsIn_ = 0;
+ protocolPartial_.cupsBitsOut_ = 0;
+
+ protocolPartial_.smbCount_ = 0;
+ protocolPartial_.smbBitsIn_ = 0;
+ protocolPartial_.smbBitsOut_ = 0;
+
+ protocolPartial_.mediaCount_ = 0;
+ protocolPartial_.mediaBitsIn_ = 0;
+ protocolPartial_.mediaBitsOut_ = 0;
+
+ protocolPartial_.httpCount_ = 0;
+ protocolPartial_.httpBitsIn_ = 0;
+ protocolPartial_.httpBitsOut_ = 0;
+
+ protocolPartial_.fontCount_ = 0;
+ protocolPartial_.fontBitsIn_ = 0;
+ protocolPartial_.fontBitsOut_ = 0;
+
+ protocolPartial_.slaveCount_ = 0;
+ protocolPartial_.slaveBitsIn_ = 0;
+ protocolPartial_.slaveBitsOut_ = 0;
+
+ packedPartial_.packedBytesIn_ = 0;
+ packedPartial_.packedBytesOut_ = 0;
+
+ splitPartial_.splitCount_ = 0;
+ splitPartial_.splitAborted_ = 0;
+ splitPartial_.splitAbortedBytesOut_ = 0;
+
+ overallPartial_.overallBytesIn_ = 0;
+ overallPartial_.overallBytesOut_ = 0;
+
+ return 1;
+}
+
+void Statistics::addCompressedBytes(unsigned int bytesIn, unsigned int bytesOut)
+{
+ transportPartial_.compressedBytesIn_ += bytesIn;
+ transportTotal_.compressedBytesIn_ += bytesIn;
+
+ transportPartial_.compressedBytesOut_ += bytesOut;
+ transportTotal_.compressedBytesOut_ += bytesOut;
+
+ double ratio = bytesIn / bytesOut;
+
+ if (ratio < 1)
+ {
+ ratio = 1;
+ }
+
+ #if defined(TEST) || defined(TOKEN)
+ *logofs << "Statistics: TOKEN! Old ratio was "
+ << proxyData_.streamRatio_ << " current is "
+ << (double) ratio << " new ratio is " << (double)
+ ((proxyData_.streamRatio_ * 2) + ratio) / 3 << ".\n"
+ << logofs_flush;
+ #endif
+
+ proxyData_.streamRatio_ = ((proxyData_.streamRatio_ * 2) + ratio) / 3;
+
+ #if defined(TEST) || defined(TOKEN)
+ *logofs << "Statistics: TOKEN! Updated compressed bytes "
+ << "with " << bytesIn << " in " << bytesOut << " out "
+ << "and ratio " << (double) proxyData_.streamRatio_
+ << ".\n" << logofs_flush;
+ #endif
+}
+
+//
+// Recalculate the current bitrate. The bytes written
+// are accounted at the time the transport actually
+// writes the data to the network, not at the time it
+// receives the data from the upper layers. The reason
+// is that data can be compressed by the stream com-
+// pressor, so we can become aware of the new bitrate
+// only afer having flushed the ZLIB stream. This also
+// means that, to have a reliable estimate, we need to
+// flush the link often.
+//
+
+void Statistics::updateBitrate(int bytes)
+{
+ T_timestamp thisFrameTs = getNewTimestamp();
+
+ int diffFramesInMs = diffTimestamp(startFrameTs_, thisFrameTs);
+
+ #ifdef DEBUG
+ *logofs << "Statistics: Difference since previous timestamp is "
+ << diffFramesInMs << " Ms.\n" << logofs_flush;
+ #endif
+
+ if (diffFramesInMs > 0)
+ {
+ #ifdef DEBUG
+ *logofs << "Statistics: Removing " << diffFramesInMs
+ << " Ms in short and long time frame.\n"
+ << logofs_flush;
+ #endif
+
+ int shortBytesToRemove = (int) (((double) bytesInShortFrame_ * (double) diffFramesInMs) /
+ (double) control -> ShortBitrateTimeFrame);
+
+ int longBytesToRemove = (int) (((double) bytesInLongFrame_ * (double) diffFramesInMs) /
+ (double) control -> LongBitrateTimeFrame);
+
+ #ifdef DEBUG
+ *logofs << "Statistics: Removing " << shortBytesToRemove
+ << " bytes from " << bytesInShortFrame_
+ << " in the short frame.\n" << logofs_flush;
+ #endif
+
+ bytesInShortFrame_ -= shortBytesToRemove;
+
+ if (bytesInShortFrame_ < 0)
+ {
+ #ifdef TEST
+ *logofs << "Statistics: Bytes in short frame are "
+ << bytesInShortFrame_ << ". Set to 0.\n"
+ << logofs_flush;
+ #endif
+
+ bytesInShortFrame_ = 0;
+ }
+
+ #ifdef DEBUG
+ *logofs << "Statistics: Removing " << longBytesToRemove
+ << " bytes from " << bytesInLongFrame_
+ << " in the long frame.\n" << logofs_flush;
+ #endif
+
+ bytesInLongFrame_ -= longBytesToRemove;
+
+ if (bytesInLongFrame_ < 0)
+ {
+ #ifdef TEST
+ *logofs << "Statistics: Bytes in long frame are "
+ << bytesInLongFrame_ << ". Set to 0.\n"
+ << logofs_flush;
+ #endif
+
+ bytesInLongFrame_ = 0;
+ }
+
+ int diffStartInMs;
+
+ diffStartInMs = diffTimestamp(thisFrameTs, startShortFrameTs_);
+
+ if (diffStartInMs > control -> ShortBitrateTimeFrame)
+ {
+ addMsTimestamp(startShortFrameTs_, diffStartInMs);
+ }
+
+ diffStartInMs = diffTimestamp(thisFrameTs, startLongFrameTs_);
+
+ if (diffStartInMs > control -> LongBitrateTimeFrame)
+ {
+ addMsTimestamp(startLongFrameTs_, diffStartInMs);
+ }
+
+ startFrameTs_ = thisFrameTs;
+ }
+
+ #ifdef DEBUG
+ *logofs << "Statistics: Adding " << bytes << " bytes to "
+ << bytesInShortFrame_ << " in the short frame.\n"
+ << logofs_flush;
+ #endif
+
+ bytesInShortFrame_ = bytesInShortFrame_ + bytes;
+
+ #ifdef DEBUG
+ *logofs << "Statistics: Adding " << bytes << " bytes to "
+ << bytesInLongFrame_ << " in the long frame.\n"
+ << logofs_flush;
+ #endif
+
+ bytesInLongFrame_ = bytesInLongFrame_ + bytes;
+
+ bitrateInShortFrame_ = (int) ((double) bytesInShortFrame_ /
+ ((double) control -> ShortBitrateTimeFrame / 1000));
+
+ bitrateInLongFrame_ = (int) ((double) bytesInLongFrame_ /
+ ((double) control -> LongBitrateTimeFrame / 1000));
+
+ if (bitrateInShortFrame_ > topBitrate_)
+ {
+ topBitrate_ = bitrateInShortFrame_;
+ }
+
+ #ifdef TEST
+ *logofs << "Statistics: Current bitrate is short " << bitrateInShortFrame_
+ << " long " << bitrateInLongFrame_ << " top " << topBitrate_
+ << ".\n" << logofs_flush;
+ #endif
+}
+
+void Statistics::updateCongestion(int remaining, int limit)
+{
+ #ifdef TEST
+ *logofs << "Statistics: Updating the congestion "
+ << "counters at " << strMsTimestamp()
+ << ".\n" << logofs_flush;
+ #endif
+
+ double current = remaining;
+
+ if (current < 0)
+ {
+ current = 0;
+ }
+
+ current = 9 * (limit - current) / limit;
+
+ #ifdef TEST
+ *logofs << "Statistics: Current congestion is "
+ << current << " with " << limit << " tokens "
+ << "and " << remaining << " remaining.\n"
+ << logofs_flush;
+ #endif
+
+ //
+ // If the current congestion counter is greater
+ // than the previous, take the current value,
+ // otherwise ramp down the value by calculating
+ // the average of the last 8 updates.
+ //
+
+ #ifdef TEST
+ *logofs << "Statistics: Old congestion was "
+ << congestionInFrame_;
+ #endif
+
+ if (current >= congestionInFrame_)
+ {
+ congestionInFrame_ = current;
+ }
+ else
+ {
+ congestionInFrame_ = ((congestionInFrame_ * 7) + current) / 8;
+ }
+
+ #ifdef TEST
+ *logofs << " new congestion is "
+ << ((congestionInFrame_ * 7) + current) / 8
+ << ".\n" << logofs_flush;
+ #endif
+
+ //
+ // Call the function with 0 bytes flushed
+ // so the agent can update its congestion
+ // counter.
+ //
+
+ FlushCallback(0);
+}
+
+int Statistics::getClientCacheStats(int type, char *&buffer)
+{
+ if (type != PARTIAL_STATS && type != TOTAL_STATS)
+ {
+ #ifdef PANIC
+ *logofs << "Statistics: PANIC! Cannot produce statistics "
+ << "with qualifier '" << type << "'.\n"
+ << logofs_flush;
+ #endif
+
+ return -1;
+ }
+
+ //
+ // Print message cache data according
+ // to local and remote view.
+ //
+
+ MessageStore *currentStore = NULL;
+ MessageStore *anyStore = NULL;
+
+ char format[FORMAT_LENGTH];
+
+ strcat(buffer, "\nNX Cache Statistics\n");
+ strcat(buffer, "-------------------\n\n");
+
+ for (int m = proxy_client; m <= proxy_server; m++)
+ {
+ if (m == proxy_client)
+ {
+ strcat(buffer, "Request\tCached\tSize at Server\t\tSize at Client\t\tCache limit\n");
+ strcat(buffer, "-------\t------\t--------------\t\t--------------\t\t-----------\n");
+ }
+ else
+ {
+ strcat(buffer, "\nReply\tCached\tSize at Server\t\tSize at Client\t\tCache limit\n");
+ strcat(buffer, "-----\t------\t--------------\t\t--------------\t\t-----------\n");
+ }
+
+ for (int i = 0; i < CHANNEL_STORE_OPCODE_LIMIT; i++)
+ {
+ if (m == proxy_client)
+ {
+ currentStore = proxy_ -> getClientStore() -> getRequestStore(i);
+ }
+ else
+ {
+ currentStore = proxy_ -> getServerStore() -> getReplyStore(i);
+ }
+
+ if (currentStore != NULL &&
+ (currentStore -> getLocalStorageSize() ||
+ currentStore -> getRemoteStorageSize()))
+ {
+ anyStore = currentStore;
+
+ sprintf(format, "#%d\t%d\t", i, currentStore -> getSize());
+
+ strcat(buffer, format);
+
+ sprintf(format, "%d (%.0f KB)\t\t", currentStore -> getLocalStorageSize(),
+ ((double) currentStore -> getLocalStorageSize()) / 1024);
+
+ strcat(buffer, format);
+
+ sprintf(format, "%d (%.0f KB)\t\t", currentStore -> getRemoteStorageSize(),
+ ((double) currentStore -> getRemoteStorageSize()) / 1024);
+
+ strcat(buffer, format);
+
+ sprintf(format, "%d/%.0f KB\n", currentStore -> cacheSlots,
+ ((double) control -> getUpperStorageSize() / 100 *
+ currentStore -> cacheThreshold) / 1024);
+
+ strcat(buffer, format);
+ }
+ }
+
+ if (anyStore == NULL)
+ {
+ strcat(buffer, "N/A\n");
+ }
+ }
+
+ if (anyStore != NULL)
+ {
+ sprintf(format, "\ncache: %d bytes (%d KB) available at server.\n",
+ control -> ClientTotalStorageSize,
+ control -> ClientTotalStorageSize / 1024);
+
+ strcat(buffer, format);
+
+ sprintf(format, " %d bytes (%d KB) available at client.\n\n",
+ control -> ServerTotalStorageSize,
+ control -> ServerTotalStorageSize / 1024);
+
+ strcat(buffer, format);
+
+ sprintf(format, " %d bytes (%d KB) allocated at server.\n",
+ anyStore -> getLocalTotalStorageSize(),
+ anyStore -> getLocalTotalStorageSize() / 1024);
+
+ strcat(buffer, format);
+
+ sprintf(format, " %d bytes (%d KB) allocated at client.\n\n\n",
+ anyStore -> getRemoteTotalStorageSize(),
+ anyStore -> getRemoteTotalStorageSize() / 1024);
+
+ strcat(buffer, format);
+ }
+ else
+ {
+ strcat(buffer, "\ncache: N/A\n\n");
+ }
+
+ return 1;
+}
+
+int Statistics::getClientProtocolStats(int type, char *&buffer)
+{
+ if (type != PARTIAL_STATS && type != TOTAL_STATS)
+ {
+ #ifdef PANIC
+ *logofs << "Statistics: PANIC! Cannot produce statistics "
+ << "with qualifier '" << type << "'.\n"
+ << logofs_flush;
+ #endif
+
+ return -1;
+ }
+
+ struct T_transportData *transportData;
+ struct T_protocolData *protocolData;
+ struct T_overallData *overallData;
+
+ if (type == PARTIAL_STATS)
+ {
+ transportData = &transportPartial_;
+ protocolData = &protocolPartial_;
+ overallData = &overallPartial_;
+ }
+ else
+ {
+ transportData = &transportTotal_;
+ protocolData = &protocolTotal_;
+ overallData = &overallTotal_;
+ }
+
+ char format[FORMAT_LENGTH];
+
+ double countRequestIn = 0;
+ double countCachedRequestIn = 0;
+ double countRepliedRequestIn = 0;
+
+ double countRequestBitsIn = 0;
+ double countRequestBitsOut = 0;
+
+ double countAnyIn = 0;
+ double countBitsIn = 0;
+ double countBitsOut = 0;
+
+ //
+ // Print request data.
+ //
+
+ strcat(buffer, "NX Server Side Protocol Statistics\n");
+ strcat(buffer, "----------------------------------\n\n");
+
+ //
+ // Print render data.
+ //
+
+ strcat(buffer, "Render Total\tCached\tBits In\t\tBits Out\tBits/Request\t\tRatio\n");
+ strcat(buffer, "------- -----\t------\t-------\t\t--------\t------------\t\t-----\n");
+
+ for (int i = 0; i < STATISTICS_OPCODE_MAX; i++)
+ {
+ if (protocolData -> renderRequestCount_[i])
+ {
+ sprintf(format, "#%d ", i);
+
+ while (strlen(format) < 8)
+ {
+ strcat(format, " ");
+ }
+
+ strcat(buffer, format);
+
+ if (protocolData -> renderRequestCached_[i] > 0)
+ {
+ sprintf(format, "%.0f\t%.0f", protocolData -> renderRequestCount_[i],
+ protocolData -> renderRequestCached_[i]);
+ }
+ else
+ {
+ sprintf(format, "%.0f\t", protocolData -> renderRequestCount_[i]);
+ }
+
+ strcat(buffer, format);
+
+ sprintf(format, "\t%.0f (%.0f KB)\t%.0f (%.0f KB)\t%.0f/1 -> %.0f/1 \t",
+ protocolData -> renderRequestBitsIn_[i], protocolData -> renderRequestBitsIn_[i] / 8192,
+ protocolData -> renderRequestBitsOut_[i], protocolData -> renderRequestBitsOut_[i] / 8192,
+ protocolData -> renderRequestBitsIn_[i] / protocolData -> renderRequestCount_[i],
+ protocolData -> renderRequestBitsOut_[i] / protocolData -> renderRequestCount_[i]);
+
+ strcat(buffer, format);
+
+ if (protocolData -> renderRequestBitsOut_[i] > 0)
+ {
+ sprintf(format, "%5.3f:1\n", protocolData -> renderRequestBitsIn_[i] /
+ protocolData -> renderRequestBitsOut_[i]);
+
+ strcat(buffer, format);
+ }
+ else
+ {
+ strcat(buffer, "1:1\n");
+ }
+ }
+
+ countRequestIn += protocolData -> renderRequestCount_[i];
+ countCachedRequestIn += protocolData -> renderRequestCached_[i];
+
+ countRequestBitsIn += protocolData -> renderRequestBitsIn_[i];
+ countRequestBitsOut += protocolData -> renderRequestBitsOut_[i];
+
+ countAnyIn += protocolData -> renderRequestCount_[i];
+ countBitsIn += protocolData -> renderRequestBitsIn_[i];
+ countBitsOut += protocolData -> renderRequestBitsOut_[i];
+ }
+
+ if (countRequestIn > 0)
+ {
+ if (countCachedRequestIn > 0)
+ {
+ sprintf(format, "\ntotal: %.0f\t%.0f", countRequestIn, countCachedRequestIn);
+ }
+ else
+ {
+ sprintf(format, "\ntotal: %.0f\t", countRequestIn);
+ }
+
+ strcat(buffer, format);
+
+ sprintf(format, "\t%.0f (%.0f KB)\t%.0f (%.0f KB)\t%.0f/1 -> %.0f/1 \t",
+ countRequestBitsIn, countRequestBitsIn / 8192, countRequestBitsOut,
+ countRequestBitsOut / 8192, countRequestBitsIn / countRequestIn,
+ countRequestBitsOut / countRequestIn);
+
+ strcat(buffer, format);
+
+ if (countRequestBitsOut > 0)
+ {
+ sprintf(format, "%5.3f:1\n", countRequestBitsIn / countRequestBitsOut);
+ }
+ else
+ {
+ sprintf(format, "1:1\n");
+ }
+
+ strcat(buffer, format);
+ }
+ else
+ {
+ strcat(buffer, "N/A\n\n");
+ }
+
+ countRequestIn = 0;
+ countCachedRequestIn = 0;
+
+ countRequestBitsIn = 0;
+ countRequestBitsOut = 0;
+
+ countAnyIn = 0;
+ countBitsIn = 0;
+ countBitsOut = 0;
+
+ //
+ // Print other requests' data.
+ //
+
+ strcat(buffer, "\nRequest Total\tCached\tBits In\t\tBits Out\tBits/Request\t\tRatio\n");
+ strcat(buffer, "------- -----\t------\t-------\t\t--------\t------------\t\t-----\n");
+
+ for (int i = 0; i < STATISTICS_OPCODE_MAX; i++)
+ {
+ if (protocolData -> requestCount_[i])
+ {
+ sprintf(format, "#%d ", i);
+
+ while (strlen(format) < 5)
+ {
+ strcat(format, " ");
+ }
+
+ //
+ // Mark NX agent-related requests, those
+ // having a reply and finally those that
+ // have been probably tainted by client
+ // side.
+ //
+
+ if (i >= X_NXFirstOpcode && i <= X_NXLastOpcode)
+ {
+ strcat(format, "A");
+ }
+
+ if (i != X_NXInternalGenericReply && protocolData -> requestReplied_[i] > 0)
+ {
+ strcat(format, "R");
+ }
+
+ if (i == X_NoOperation && control -> TaintReplies)
+ {
+ strcat(format, "T");
+ }
+
+ while (strlen(format) < 8)
+ {
+ strcat(format, " ");
+ }
+
+ strcat(buffer, format);
+
+ if (protocolData -> requestCached_[i] > 0)
+ {
+ sprintf(format, "%.0f\t%.0f", protocolData -> requestCount_[i],
+ protocolData -> requestCached_[i]);
+ }
+ else
+ {
+ sprintf(format, "%.0f\t", protocolData -> requestCount_[i]);
+ }
+
+ strcat(buffer, format);
+
+ sprintf(format, "\t%.0f (%.0f KB)\t%.0f (%.0f KB)\t%.0f/1 -> %.0f/1 \t",
+ protocolData -> requestBitsIn_[i], protocolData -> requestBitsIn_[i] / 8192,
+ protocolData -> requestBitsOut_[i], protocolData -> requestBitsOut_[i] / 8192,
+ protocolData -> requestBitsIn_[i] / protocolData -> requestCount_[i],
+ protocolData -> requestBitsOut_[i] / protocolData -> requestCount_[i]);
+
+ strcat(buffer, format);
+
+ if (protocolData -> requestBitsOut_[i] > 0)
+ {
+ sprintf(format, "%5.3f:1\n", protocolData -> requestBitsIn_[i] /
+ protocolData -> requestBitsOut_[i]);
+
+ strcat(buffer, format);
+ }
+ else
+ {
+ strcat(buffer, "1:1\n");
+ }
+ }
+
+ countRequestIn += protocolData -> requestCount_[i];
+ countCachedRequestIn += protocolData -> requestCached_[i];
+ countRepliedRequestIn += protocolData -> requestReplied_[i];
+
+ countRequestBitsIn += protocolData -> requestBitsIn_[i];
+ countRequestBitsOut += protocolData -> requestBitsOut_[i];
+
+ countAnyIn += protocolData -> requestCount_[i];
+ countBitsIn += protocolData -> requestBitsIn_[i];
+ countBitsOut += protocolData -> requestBitsOut_[i];
+ }
+
+ if (countRequestIn > 0)
+ {
+ if (countCachedRequestIn > 0)
+ {
+ sprintf(format, "\ntotal: %.0f\t%.0f", countRequestIn, countCachedRequestIn);
+ }
+ else
+ {
+ sprintf(format, "\ntotal: %.0f\t", countRequestIn);
+ }
+
+ strcat(buffer, format);
+
+ sprintf(format, "\t%.0f (%.0f KB)\t%.0f (%.0f KB)\t%.0f/1 -> %.0f/1 \t",
+ countRequestBitsIn, countRequestBitsIn / 8192, countRequestBitsOut,
+ countRequestBitsOut / 8192, countRequestBitsIn / countRequestIn,
+ countRequestBitsOut / countRequestIn);
+
+ strcat(buffer, format);
+
+ if (countRequestBitsOut > 0)
+ {
+ sprintf(format, "%5.3f:1\n", countRequestBitsIn / countRequestBitsOut);
+ }
+ else
+ {
+ sprintf(format, "1:1\n");
+ }
+
+ strcat(buffer, format);
+ }
+ else
+ {
+ strcat(buffer, "N/A\n\n");
+ }
+
+ //
+ // Print transport data.
+ //
+
+ getTimeStats(type, buffer);
+
+ countAnyIn += protocolData -> cupsCount_;
+ countBitsIn += protocolData -> cupsBitsIn_;
+ countBitsOut += protocolData -> cupsBitsOut_;
+
+ countAnyIn += protocolData -> smbCount_;
+ countBitsIn += protocolData -> smbBitsIn_;
+ countBitsOut += protocolData -> smbBitsOut_;
+
+ countAnyIn += protocolData -> mediaCount_;
+ countBitsIn += protocolData -> mediaBitsIn_;
+ countBitsOut += protocolData -> mediaBitsOut_;
+
+ countAnyIn += protocolData -> httpCount_;
+ countBitsIn += protocolData -> httpBitsIn_;
+ countBitsOut += protocolData -> httpBitsOut_;
+
+ countAnyIn += protocolData -> fontCount_;
+ countBitsIn += protocolData -> fontBitsIn_;
+ countBitsOut += protocolData -> fontBitsOut_;
+
+ countAnyIn += protocolData -> slaveCount_;
+ countBitsIn += protocolData -> slaveBitsIn_;
+ countBitsOut += protocolData -> slaveBitsOut_;
+
+ //
+ // Save the overall amount of bytes
+ // coming from X clients.
+ //
+
+ overallData -> overallBytesIn_ = countBitsIn / 8;
+
+ //
+ // Print performance data.
+ //
+
+ if (transportData -> readTime_ > 0)
+ {
+ sprintf(format, " %.0f messages (%.0f KB) encoded per second.\n\n",
+ countAnyIn / (transportData -> readTime_ / 1000),
+ (countBitsIn + transportData -> framingBitsOut_) / 8192 /
+ (transportData -> readTime_ / 1000));
+ }
+ else
+ {
+ sprintf(format, " %.0f messages (%.0f KB) encoded per second.\n\n",
+ countAnyIn, (countBitsIn + transportData ->
+ framingBitsOut_) / 8192);
+ }
+
+ strcat(buffer, format);
+
+ strcat(buffer, "link: ");
+
+ //
+ // ZLIB compression stats.
+ //
+
+ getStreamStats(type, buffer);
+
+ //
+ // Save the overall amount of bytes
+ // sent on NX proxy link.
+ //
+
+ if (transportData -> compressedBytesOut_ > 0)
+ {
+ overallData -> overallBytesOut_ = transportData -> compressedBytesOut_;
+ }
+ else
+ {
+ overallData -> overallBytesOut_ = countBitsOut / 8;
+ }
+
+ //
+ // Print info on multiplexing overhead.
+ //
+
+ getFramingStats(type, buffer);
+
+ //
+ // Print stats about additional channels.
+ //
+
+ getServicesStats(type, buffer);
+
+ //
+ // Compression summary.
+ //
+
+ double ratio = 1;
+
+ if (transportData -> compressedBytesOut_ / 1024 > 0)
+ {
+ ratio = ((countBitsIn + transportData -> framingBitsOut_) / 8192) /
+ (transportData -> compressedBytesOut_ / 1024);
+
+ }
+ else if (countBitsOut > 0)
+ {
+ ratio = (countBitsIn + transportData -> framingBitsOut_) /
+ countBitsOut;
+ }
+
+ sprintf(format, " Protocol compression ratio is %5.3f:1.\n\n",
+ ratio);
+
+ strcat(buffer, format);
+
+ getBitrateStats(type, buffer);
+
+ getSplitStats(type, buffer);
+
+ sprintf(format, " %.0f total handled replies (%.0f unmatched).\n\n\n",
+ countRepliedRequestIn, protocolData -> requestReplied_[X_NXInternalGenericReply]);
+
+ strcat(buffer, format);
+
+ return 1;
+}
+
+int Statistics::getClientOverallStats(int type, char *&buffer)
+{
+ if (type != PARTIAL_STATS && type != TOTAL_STATS)
+ {
+ #ifdef PANIC
+ *logofs << "Statistics: PANIC! Cannot produce statistics "
+ << "with qualifier '" << type << "'.\n"
+ << logofs_flush;
+ #endif
+
+ return -1;
+ }
+
+ struct T_overallData *overallData;
+ struct T_packedData *packedData;
+
+ if (type == PARTIAL_STATS)
+ {
+ overallData = &overallPartial_;
+ packedData = &packedPartial_;
+ }
+ else
+ {
+ overallData = &overallTotal_;
+ packedData = &packedTotal_;
+ }
+
+ char format[FORMAT_LENGTH];
+
+ //
+ // Print header including link type,
+ // followed by info on packed images.
+ //
+
+ strcat(buffer, "NX Compression Summary\n");
+ strcat(buffer, "----------------------\n\n");
+
+ char label[FORMAT_LENGTH];
+
+ switch (control -> LinkMode)
+ {
+ case LINK_TYPE_NONE:
+ {
+ strcpy(label, "NONE");
+
+ break;
+ }
+ case LINK_TYPE_MODEM:
+ {
+ strcpy(label, "MODEM");
+
+ break;
+ }
+ case LINK_TYPE_ISDN:
+ {
+ strcpy(label, "ISDN");
+
+ break;
+ }
+ case LINK_TYPE_ADSL:
+ {
+ strcpy(label, "ADSL");
+
+ break;
+ }
+ case LINK_TYPE_WAN:
+ {
+ strcpy(label, "WAN");
+
+ break;
+ }
+ case LINK_TYPE_LAN:
+ {
+ strcpy(label, "LAN");
+
+ break;
+ }
+ default:
+ {
+ strcpy(label, "Unknown");
+
+ break;
+ }
+ }
+
+ sprintf(format, "link: %s", label);
+
+ if (control -> LocalDeltaCompression == 1)
+ {
+ strcat(format, " with protocol compression enabled.");
+ }
+ else
+ {
+ strcat(format, " with protocol compression disabled.");
+ }
+
+ strcat(format, "\n\n");
+
+ strcat(buffer, format);
+
+ if (packedData -> packedBytesIn_ > 0)
+ {
+ sprintf(format, "images: %.0f bytes (%.0f KB) packed to %.0f (%.0f KB).\n\n",
+ packedData -> packedBytesOut_, packedData -> packedBytesOut_ / 1024,
+ packedData -> packedBytesIn_, packedData -> packedBytesIn_ / 1024);
+
+ strcat(buffer, format);
+
+ sprintf(format, " Images compression ratio is %5.3f:1.\n\n",
+ packedData -> packedBytesOut_ / packedData -> packedBytesIn_);
+
+ strcat(buffer, format);
+ }
+
+ double overallIn = overallData -> overallBytesIn_ - packedData -> packedBytesIn_ +
+ packedData -> packedBytesOut_;
+
+ double overallOut = overallData -> overallBytesOut_;
+
+ sprintf(format, "overall: %.0f bytes (%.0f KB) in, %.0f bytes (%.0f KB) out.\n\n",
+ overallIn, overallIn / 1024, overallOut, overallOut / 1024);
+
+ strcat(buffer, format);
+
+ if (overallData -> overallBytesOut_ > 0)
+ {
+ sprintf(format, " Overall NX server compression ratio is %5.3f:1.\n\n\n",
+ overallIn / overallOut);
+ }
+ else
+ {
+ sprintf(format, " Overall NX server compression ratio is 1:1.\n\n\n");
+ }
+
+ strcat(buffer, format);
+
+ return 1;
+}
+
+int Statistics::getServerCacheStats(int type, char *&buffer)
+{
+ if (type != PARTIAL_STATS && type != TOTAL_STATS)
+ {
+ #ifdef PANIC
+ *logofs << "Statistics: PANIC! Cannot produce statistics "
+ << "with qualifier '" << type << "'.\n"
+ << logofs_flush;
+ #endif
+
+ return -1;
+ }
+
+ //
+ // Print message cache data according
+ // to local and remote view.
+ //
+
+ MessageStore *currentStore = NULL;
+ MessageStore *anyStore = NULL;
+
+ char format[FORMAT_LENGTH];
+
+ strcat(buffer, "\nNX Cache Statistics\n");
+ strcat(buffer, "-------------------\n\n");
+
+ for (int m = proxy_client; m <= proxy_server; m++)
+ {
+ if (m == proxy_client)
+ {
+ strcat(buffer, "Request\tCached\tSize at Server\t\tSize at Client\t\tCache limit\n");
+ strcat(buffer, "-------\t------\t--------------\t\t--------------\t\t-----------\n");
+ }
+ else
+ {
+ strcat(buffer, "\nReply\tCached\tSize at Server\t\tSize at Client\t\tCache limit\n");
+ strcat(buffer, "-----\t------\t--------------\t\t--------------\t\t-----------\n");
+ }
+
+ for (int i = 0; i < CHANNEL_STORE_OPCODE_LIMIT; i++)
+ {
+ if (m == proxy_client)
+ {
+ currentStore = proxy_ -> getClientStore() -> getRequestStore(i);
+ }
+ else
+ {
+ currentStore = proxy_ -> getServerStore() -> getReplyStore(i);
+ }
+
+ if (currentStore != NULL &&
+ (currentStore -> getLocalStorageSize() ||
+ currentStore -> getRemoteStorageSize()))
+ {
+ anyStore = currentStore;
+
+ sprintf(format, "#%d\t%d\t", i, currentStore -> getSize());
+
+ strcat(buffer, format);
+
+ sprintf(format, "%d (%.0f KB)\t\t", currentStore -> getRemoteStorageSize(),
+ ((double) currentStore -> getRemoteStorageSize()) / 1024);
+
+ strcat(buffer, format);
+
+ sprintf(format, "%d (%.0f KB)\t\t", currentStore -> getLocalStorageSize(),
+ ((double) currentStore -> getLocalStorageSize()) / 1024);
+
+ strcat(buffer, format);
+
+ sprintf(format, "%d/%.0f KB\n", currentStore -> cacheSlots,
+ ((double) control -> getUpperStorageSize() / 100 *
+ currentStore -> cacheThreshold) / 1024);
+
+ strcat(buffer, format);
+ }
+ }
+
+ if (anyStore == NULL)
+ {
+ strcat(buffer, "N/A\n");
+ }
+ }
+
+ if (anyStore != NULL)
+ {
+ sprintf(format, "\ncache: %d bytes (%d KB) available at server.\n",
+ control -> ClientTotalStorageSize,
+ control -> ClientTotalStorageSize / 1024);
+
+ strcat(buffer, format);
+
+ sprintf(format, " %d bytes (%d KB) available at client.\n\n",
+ control -> ServerTotalStorageSize,
+ control -> ServerTotalStorageSize / 1024);
+
+ strcat(buffer, format);
+
+ sprintf(format, " %d bytes (%d KB) allocated at server.\n",
+ anyStore -> getRemoteTotalStorageSize(),
+ anyStore -> getRemoteTotalStorageSize() / 1024);
+
+ strcat(buffer, format);
+
+ sprintf(format, " %d bytes (%d KB) allocated at client.\n\n\n",
+ anyStore -> getLocalTotalStorageSize(),
+ anyStore -> getLocalTotalStorageSize() / 1024);
+
+ strcat(buffer, format);
+ }
+ else
+ {
+ strcat(buffer, "\ncache: N/A\n\n");
+ }
+
+ return 1;
+}
+
+int Statistics::getServerProtocolStats(int type, char *&buffer)
+{
+ if (type != PARTIAL_STATS && type != TOTAL_STATS)
+ {
+ #ifdef PANIC
+ *logofs << "Statistics: PANIC! Cannot produce statistics "
+ << "with qualifier '" << type << "'.\n"
+ << logofs_flush;
+ #endif
+
+ return -1;
+ }
+
+ struct T_transportData *transportData;
+ struct T_protocolData *protocolData;
+ struct T_overallData *overallData;
+
+ if (type == PARTIAL_STATS)
+ {
+ transportData = &transportPartial_;
+ protocolData = &protocolPartial_;
+ overallData = &overallPartial_;
+ }
+ else
+ {
+ transportData = &transportTotal_;
+ protocolData = &protocolTotal_;
+ overallData = &overallTotal_;
+ }
+
+ char format[FORMAT_LENGTH];
+
+ double countReplyBitsIn = 0;
+ double countReplyBitsOut = 0;
+
+ double countReplyIn = 0;
+ double countCachedReplyIn = 0;
+
+ double countEventBitsIn = 0;
+ double countEventBitsOut = 0;
+
+ double countEventIn = 0;
+ double countCachedEventIn = 0;
+
+ double countAnyIn = 0;
+ double countBitsIn = 0;
+ double countBitsOut = 0;
+
+ //
+ // Print reply data.
+ //
+
+ strcat(buffer, "NX Client Side Protocol Statistics\n");
+ strcat(buffer, "----------------------------------\n\n");
+
+ strcat(buffer, "Reply Total\tCached\tBits In\t\tBits Out\tBits/Reply\t\tRatio\n");
+ strcat(buffer, "------- -----\t------\t-------\t\t--------\t----------\t\t-----\n");
+
+ for (int i = 0; i < STATISTICS_OPCODE_MAX; i++)
+ {
+ if (protocolData -> replyCount_[i])
+ {
+ sprintf(format, "#%d ", i);
+
+ while (strlen(format) < 5)
+ {
+ strcat(format, " ");
+ }
+
+ //
+ // Mark replies originated
+ // by NX agent requests.
+ //
+
+ if (i >= X_NXFirstOpcode && i <= X_NXLastOpcode)
+ {
+ strcat(format, "A");
+ }
+
+ //
+ // Mark replies that we didn't
+ // match against a request.
+ //
+
+ if (i == 1)
+ {
+ strcat(format, "U");
+ }
+
+ while (strlen(format) < 8)
+ {
+ strcat(format, " ");
+ }
+
+ strcat(buffer, format);
+
+ if (protocolData -> replyCached_[i] > 0)
+ {
+ sprintf(format, "%.0f\t%.0f", protocolData -> replyCount_[i],
+ protocolData -> replyCached_[i]);
+ }
+ else
+ {
+ sprintf(format, "%.0f\t", protocolData -> replyCount_[i]);
+ }
+
+ strcat(buffer, format);
+
+ sprintf(format, "\t%.0f (%.0f KB)\t%.0f (%.0f KB)\t%.0f/1 -> %.0f/1 \t",
+ protocolData -> replyBitsIn_[i], protocolData -> replyBitsIn_[i] / 8192,
+ protocolData -> replyBitsOut_[i], protocolData -> replyBitsOut_[i] / 8192,
+ protocolData -> replyBitsIn_[i] / protocolData -> replyCount_[i],
+ protocolData -> replyBitsOut_[i] / protocolData -> replyCount_[i]);
+
+ strcat(buffer, format);
+
+ if (protocolData -> replyBitsOut_[i] > 0)
+ {
+ sprintf(format, "%5.3f:1\n", protocolData -> replyBitsIn_[i] /
+ protocolData -> replyBitsOut_[i]);
+ }
+ else
+ {
+ sprintf(format, "1:1\n");
+ }
+
+ strcat(buffer, format);
+ }
+
+ countReplyIn += protocolData -> replyCount_[i];
+ countCachedReplyIn += protocolData -> replyCached_[i];
+
+ countReplyBitsIn += protocolData -> replyBitsIn_[i];
+ countReplyBitsOut += protocolData -> replyBitsOut_[i];
+
+ countAnyIn += protocolData -> replyCount_[i];
+ countBitsIn += protocolData -> replyBitsIn_[i];
+ countBitsOut += protocolData -> replyBitsOut_[i];
+ }
+
+ if (countReplyIn > 0)
+ {
+ if (countCachedReplyIn > 0)
+ {
+ sprintf(format, "\ntotal: %.0f\t%.0f", countReplyIn, countCachedReplyIn);
+ }
+ else
+ {
+ sprintf(format, "\ntotal: %.0f\t", countReplyIn);
+ }
+
+ strcat(buffer, format);
+
+ sprintf(format, "\t%.0f (%.0f KB)\t%.0f (%.0f KB)\t%.0f/1 -> %.0f/1 \t",
+ countReplyBitsIn, countReplyBitsIn / 8192, countReplyBitsOut,
+ countReplyBitsOut / 8192, countReplyBitsIn / countReplyIn,
+ countReplyBitsOut / countReplyIn);
+
+ strcat(buffer, format);
+
+ if (countReplyBitsOut > 0)
+ {
+ sprintf(format, "%5.3f:1\n", countReplyBitsIn / countReplyBitsOut);
+ }
+ else
+ {
+ sprintf(format, "1:1\n");
+ }
+
+ strcat(buffer, format);
+ }
+ else
+ {
+ strcat(buffer, "N/A\n");
+ }
+
+ strcat(buffer, "\n");
+
+ //
+ // Print event and error data.
+ //
+
+ strcat(buffer, "Event Total\tCached\tBits In\t\tBits Out\tBits/Event\t\tRatio\n");
+ strcat(buffer, "------- -----\t------\t-------\t\t--------\t----------\t\t-----\n");
+
+ for (int i = 0; i < STATISTICS_OPCODE_MAX; i++)
+ {
+ if (protocolData -> eventCount_[i])
+ {
+ sprintf(format, "#%d ", i);
+
+ while (strlen(format) < 8)
+ {
+ strcat(format, " ");
+ }
+
+ strcat(buffer, format);
+
+ if (protocolData -> eventCached_[i] > 0)
+ {
+ sprintf(format, "%.0f\t%.0f", protocolData -> eventCount_[i],
+ protocolData -> eventCached_[i]);
+ }
+ else
+ {
+ sprintf(format, "%.0f\t", protocolData -> eventCount_[i]);
+ }
+
+ strcat(buffer, format);
+
+ sprintf(format, "\t%.0f (%.0f KB)\t%.0f (%.0f KB)\t%.0f/1 -> %.0f/1 \t",
+ protocolData -> eventBitsIn_[i], protocolData -> eventBitsIn_[i] / 8192,
+ protocolData -> eventBitsOut_[i], protocolData -> eventBitsOut_[i] / 8192,
+ protocolData -> eventBitsIn_[i] / protocolData -> eventCount_[i],
+ protocolData -> eventBitsOut_[i] / protocolData -> eventCount_[i]);
+
+ strcat(buffer, format);
+
+ if (protocolData -> eventBitsOut_[i] > 0)
+ {
+ sprintf(format, "%5.3f:1\n", protocolData -> eventBitsIn_[i] /
+ protocolData -> eventBitsOut_[i]);
+ }
+ else
+ {
+ sprintf(format, "1:1\n");
+ }
+
+ strcat(buffer, format);
+ }
+
+ countEventIn += protocolData -> eventCount_[i];
+ countCachedEventIn += protocolData -> eventCached_[i];
+
+ countEventBitsIn += protocolData -> eventBitsIn_[i];
+ countEventBitsOut += protocolData -> eventBitsOut_[i];
+
+ countAnyIn += protocolData -> eventCount_[i];
+ countBitsIn += protocolData -> eventBitsIn_[i];
+ countBitsOut += protocolData -> eventBitsOut_[i];
+ }
+
+ if (countEventIn > 0)
+ {
+ if (countCachedEventIn > 0)
+ {
+ sprintf(format, "\ntotal: %.0f\t%.0f", countEventIn, countCachedEventIn);
+ }
+ else
+ {
+ sprintf(format, "\ntotal: %.0f\t", countEventIn);
+ }
+
+ strcat(buffer, format);
+
+ sprintf(format, "\t%.0f (%.0f KB)\t%.0f (%.0f KB)\t%.0f/1 -> %.0f/1 \t",
+ countEventBitsIn, countEventBitsIn / 8192, countEventBitsOut,
+ countEventBitsOut / 8192, countEventBitsIn / countEventIn,
+ countEventBitsOut / countEventIn);
+
+ strcat(buffer, format);
+
+ if (countEventBitsOut > 0)
+ {
+ sprintf(format, "%5.3f:1\n", countEventBitsIn / countEventBitsOut);
+ }
+ else
+ {
+ sprintf(format, "1:1\n");
+ }
+
+ strcat(buffer, format);
+ }
+ else
+ {
+ strcat(buffer, "N/A\n\n");
+ }
+
+ //
+ // Print transport data.
+ //
+
+ getTimeStats(type, buffer);
+
+ countAnyIn += protocolData -> cupsCount_;
+ countBitsIn += protocolData -> cupsBitsIn_;
+ countBitsOut += protocolData -> cupsBitsOut_;
+
+ countAnyIn += protocolData -> smbCount_;
+ countBitsIn += protocolData -> smbBitsIn_;
+ countBitsOut += protocolData -> smbBitsOut_;
+
+ countAnyIn += protocolData -> mediaCount_;
+ countBitsIn += protocolData -> mediaBitsIn_;
+ countBitsOut += protocolData -> mediaBitsOut_;
+
+ countAnyIn += protocolData -> httpCount_;
+ countBitsIn += protocolData -> httpBitsIn_;
+ countBitsOut += protocolData -> httpBitsOut_;
+
+ countAnyIn += protocolData -> fontCount_;
+ countBitsIn += protocolData -> fontBitsIn_;
+ countBitsOut += protocolData -> fontBitsOut_;
+
+ countAnyIn += protocolData -> slaveCount_;
+ countBitsIn += protocolData -> slaveBitsIn_;
+ countBitsOut += protocolData -> slaveBitsOut_;
+
+ //
+ // Save the overall amount of bytes
+ // coming from X clients.
+ //
+
+ overallData -> overallBytesIn_ = countBitsIn / 8;
+
+ //
+ // Print performance data.
+ //
+
+ if (transportData -> readTime_ > 0)
+ {
+ sprintf(format, " %.0f messages (%.0f KB) encoded per second.\n\n",
+ countAnyIn / (transportData -> readTime_ / 1000),
+ (countBitsIn + transportData -> framingBitsOut_) / 8192 /
+ (transportData -> readTime_ / 1000));
+ }
+ else
+ {
+ sprintf(format, " %.0f messages (%.0f KB) encoded per second.\n\n",
+ countAnyIn, (countBitsIn + transportData ->
+ framingBitsOut_) / 8192);
+ }
+
+ strcat(buffer, format);
+
+ strcat(buffer, "link: ");
+
+ //
+ // ZLIB compression stats.
+ //
+
+ getStreamStats(type, buffer);
+
+ //
+ // Save the overall amount of bytes
+ // sent on NX proxy link.
+ //
+
+ if (transportData -> compressedBytesOut_ > 0)
+ {
+ overallData -> overallBytesOut_ = transportData -> compressedBytesOut_;
+ }
+ else
+ {
+ overallData -> overallBytesOut_ = countBitsOut / 8;
+ }
+
+ //
+ // Print info on multiplexing overhead.
+ //
+
+ getFramingStats(type, buffer);
+
+ //
+ // Print stats about additional channels.
+ //
+
+ getServicesStats(type, buffer);
+
+ //
+ // Compression summary.
+ //
+
+ double ratio = 1;
+
+ if (transportData -> compressedBytesOut_ / 1024 > 0)
+ {
+ ratio = ((countBitsIn + transportData -> framingBitsOut_) / 8192) /
+ (transportData -> compressedBytesOut_ / 1024);
+
+ }
+ else if (countBitsOut > 0)
+ {
+ ratio = (countBitsIn + transportData -> framingBitsOut_) /
+ countBitsOut;
+ }
+
+ sprintf(format, " Protocol compression ratio is %5.3f:1.\n\n",
+ ratio);
+
+ strcat(buffer, format);
+
+ getBitrateStats(type, buffer);
+
+ //
+ // These are not included in output.
+ //
+ // getSplitStats(type, buffer);
+ //
+
+ strcat(buffer, "\n");
+
+ //
+ // These statistics are not included in output.
+ // You can check it anyway to get the effective
+ // amount of bytes produced by unpack procedure.
+ //
+ // getClientOverallStats(type, buffer);
+ //
+
+ return 1;
+}
+
+int Statistics::getServerOverallStats(int type, char *&buffer)
+{
+ return 1;
+}
+
+int Statistics::getTimeStats(int type, char *&buffer)
+{
+ struct T_transportData *transportData;
+
+ if (type == PARTIAL_STATS)
+ {
+ transportData = &transportPartial_;
+ }
+ else
+ {
+ transportData = &transportTotal_;
+ }
+
+ char format[FORMAT_LENGTH];
+
+ sprintf(format, "\ntime: %.0f Ms idle, %.0f Ms (%.0f Ms in read, %.0f Ms in write) running.\n\n",
+ transportData -> idleTime_, transportData -> readTime_,
+ transportData -> readTime_ - transportData -> writeTime_,
+ transportData -> writeTime_);
+
+ strcat(buffer, format);
+
+ return 1;
+}
+
+int Statistics::getStreamStats(int type, char *&buffer)
+{
+ struct T_transportData *transportData;
+
+ if (type == PARTIAL_STATS)
+ {
+ transportData = &transportPartial_;
+ }
+ else
+ {
+ transportData = &transportTotal_;
+ }
+
+ char format[FORMAT_LENGTH];
+
+ if (transportData -> compressedBytesOut_ > 0)
+ {
+ sprintf(format, "%.0f bytes (%.0f KB) compressed to %.0f (%.0f KB).\n",
+ transportData -> compressedBytesIn_, transportData -> compressedBytesIn_ / 1024,
+ transportData -> compressedBytesOut_, transportData -> compressedBytesOut_ / 1024);
+
+ strcat(buffer, format);
+
+ sprintf(format, " %5.3f:1 stream compression ratio.\n\n",
+ transportData -> compressedBytesIn_ / transportData -> compressedBytesOut_);
+
+ strcat(buffer, format);
+ }
+
+ if (transportData -> decompressedBytesOut_ > 0)
+ {
+ if (transportData -> compressedBytesOut_ > 0)
+ {
+ strcat(buffer, " ");
+ }
+
+ sprintf(format, "%.0f bytes (%.0f KB) decompressed to %.0f (%.0f KB).\n",
+ transportData -> decompressedBytesIn_, transportData -> decompressedBytesIn_ / 1024,
+ transportData -> decompressedBytesOut_, transportData -> decompressedBytesOut_ / 1024);
+
+ strcat(buffer, format);
+
+ sprintf(format, " %5.3f:1 stream compression ratio.\n\n",
+ transportData -> decompressedBytesOut_ / transportData -> decompressedBytesIn_);
+
+ strcat(buffer, format);
+ }
+
+ if (transportData -> compressedBytesOut_ > 0 ||
+ transportData -> decompressedBytesOut_ > 0)
+ {
+ strcat(buffer, " ");
+ }
+
+ return 1;
+}
+
+int Statistics::getServicesStats(int type, char *&buffer)
+{
+ struct T_protocolData *protocolData;
+
+ if (type == PARTIAL_STATS)
+ {
+ protocolData = &protocolPartial_;
+ }
+ else
+ {
+ protocolData = &protocolTotal_;
+ }
+
+ char format[FORMAT_LENGTH];
+
+ if (protocolData -> cupsBitsOut_ > 0)
+ {
+ sprintf(format, " %.0f CUPS messages, %.0f bytes (%.0f KB) in, %.0f bytes (%.0f KB) out.\n\n",
+ protocolData -> cupsCount_ , protocolData -> cupsBitsIn_ / 8,
+ protocolData -> cupsBitsIn_ / 8192, protocolData -> cupsBitsOut_ / 8,
+ protocolData -> cupsBitsOut_ / 8192);
+
+ strcat(buffer, format);
+ }
+
+ if (protocolData -> smbBitsOut_ > 0)
+ {
+ sprintf(format, " %.0f SMB messages, %.0f bytes (%.0f KB) in, %.0f bytes (%.0f KB) out.\n\n",
+ protocolData -> smbCount_ , protocolData -> smbBitsIn_ / 8,
+ protocolData -> smbBitsIn_ / 8192, protocolData -> smbBitsOut_ / 8,
+ protocolData -> smbBitsOut_ / 8192);
+
+ strcat(buffer, format);
+ }
+
+ if (protocolData -> mediaBitsOut_ > 0)
+ {
+ sprintf(format, " %.0f multimedia messages, %.0f bytes (%.0f KB) in, %.0f bytes (%.0f KB) out.\n\n",
+ protocolData -> mediaCount_ , protocolData -> mediaBitsIn_ / 8,
+ protocolData -> mediaBitsIn_ / 8192, protocolData -> mediaBitsOut_ / 8,
+ protocolData -> mediaBitsOut_ / 8192);
+
+ strcat(buffer, format);
+ }
+
+ if (protocolData -> httpBitsOut_ > 0)
+ {
+ sprintf(format, " %.0f HTTP messages, %.0f bytes (%.0f KB) in, %.0f bytes (%.0f KB) out.\n\n",
+ protocolData -> httpCount_ , protocolData -> httpBitsIn_ / 8,
+ protocolData -> httpBitsIn_ / 8192, protocolData -> httpBitsOut_ / 8,
+ protocolData -> httpBitsOut_ / 8192);
+
+ strcat(buffer, format);
+ }
+
+ if (protocolData -> fontBitsOut_ > 0)
+ {
+ sprintf(format, " %.0f font server messages, %.0f bytes (%.0f KB) in, %.0f bytes (%.0f KB) out.\n\n",
+ protocolData -> fontCount_ , protocolData -> fontBitsIn_ / 8,
+ protocolData -> fontBitsIn_ / 8192, protocolData -> fontBitsOut_ / 8,
+ protocolData -> fontBitsOut_ / 8192);
+
+ strcat(buffer, format);
+ }
+
+ if (protocolData -> slaveBitsOut_ > 0)
+ {
+ sprintf(format, " %.0f slave messages, %.0f bytes (%.0f KB) in, %.0f bytes (%.0f KB) out.\n\n",
+ protocolData -> slaveCount_ , protocolData -> slaveBitsIn_ / 8,
+ protocolData -> slaveBitsIn_ / 8192, protocolData -> slaveBitsOut_ / 8,
+ protocolData -> slaveBitsOut_ / 8192);
+
+ strcat(buffer, format);
+ }
+
+ return 1;
+}
+
+int Statistics::getFramingStats(int type, char *&buffer)
+{
+ struct T_transportData *transportData;
+
+ if (type == PARTIAL_STATS)
+ {
+ transportData = &transportPartial_;
+ }
+ else
+ {
+ transportData = &transportTotal_;
+ }
+
+ char format[FORMAT_LENGTH];
+
+ //
+ // Print info on multiplexing overhead.
+ //
+
+ sprintf(format, "%.0f frames in, %.0f frames out, %.0f writes out.\n\n",
+ transportData -> proxyFramesIn_, transportData -> proxyFramesOut_,
+ transportData -> proxyWritesOut_);
+
+ strcat(buffer, format);
+
+ sprintf(format, " %.0f bytes (%.0f KB) used for framing and multiplexing.\n\n",
+ transportData -> framingBitsOut_ / 8, transportData -> framingBitsOut_ / 8192);
+
+ strcat(buffer, format);
+
+ return 1;
+}
+
+int Statistics::getBitrateStats(int type, char *&buffer)
+{
+ struct T_transportData *transportData;
+ struct T_overallData *overallData;
+
+ if (type == PARTIAL_STATS)
+ {
+ transportData = &transportPartial_;
+ overallData = &overallPartial_;
+ }
+ else
+ {
+ transportData = &transportTotal_;
+ overallData = &overallTotal_;
+ }
+
+ double total = 0;
+
+ if (transportData -> idleTime_ + transportData -> readTime_ > 0)
+ {
+ total = overallData -> overallBytesOut_ /
+ ((transportData -> idleTime_ + transportData -> readTime_) / 1000);
+ }
+
+ char format[FORMAT_LENGTH];
+
+ sprintf(format, " %.0f B/s average, %d B/s %ds, %d B/s %ds, %d B/s maximum.\n\n",
+ total, getBitrateInShortFrame(), control -> ShortBitrateTimeFrame / 1000,
+ getBitrateInLongFrame(), control -> LongBitrateTimeFrame / 1000,
+ getTopBitrate());
+
+ strcat(buffer, format);
+
+ resetTopBitrate();
+
+ return 1;
+}
+
+int Statistics::getSplitStats(int type, char *&buffer)
+{
+ //
+ // Don't print these statistics if persistent
+ // cache of images is disabled.
+ //
+
+ if (control -> ImageCacheEnableLoad == 0 &&
+ control -> ImageCacheEnableSave == 0)
+ {
+ return 0;
+ }
+
+ struct T_splitData *splitData;
+
+ if (type == PARTIAL_STATS)
+ {
+ splitData = &splitPartial_;
+ }
+ else
+ {
+ splitData = &splitTotal_;
+ }
+
+ char format[FORMAT_LENGTH];
+
+ //
+ // Print info on split messages restored from disk.
+ //
+
+ sprintf(format, " %.0f images streamed, %.0f restored, %.0f bytes (%.0f KB) cached.\n\n",
+ splitData -> splitCount_, splitData -> splitAborted_, splitData -> splitAbortedBytesOut_,
+ splitData -> splitAbortedBytesOut_ / 1024);
+
+ strcat(buffer, format);
+
+ return 1;
+}