/*
 *  Copyright (C) 1998-2007 Luca Deri <deri@ntop.org>
 *
 *		 	    http://www.ntop.org/
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program 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 General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 */

#ifdef  PARM_ENABLE_EXPERIMENTAL
#define TABLE_ON  "<TABLE BGCOLOR=\"#999999\" CELLSPACING=\"1\" CELLPADDING=\"1\" BORDER=\"0\"><TR><TD>"
#define TABLE_OFF "</TD></TR></TABLE>"
#define TH_BG     "BGCOLOR=\"#DDDDDD\""
#define TD_BG     "BGCOLOR=\"#DDDDDD\""
#define TR_ON     "onmouseover=\"setPointer(this, '#CCFFCC', '#DDDDDD')\" onmouseout=\"setPointer(this, '#DDDDDD', '#DDDDDD')\""
#define TABLE_DEFAULTS ""
#define DARK_BG     "BGCOLOR=\"#DDDDDD\""
#else
#define TABLE_ON  ""
#define TABLE_OFF ""
#define TH_BG     ""
#define TD_BG     ""
#define TR_ON     "onMouseOver=\"this.bgColor = '#EDF3FE'\" onMouseOut =\"this.bgColor = '#FFFFFF'\""
#define TABLE_DEFAULTS " CELLSPACING=0 CELLPADDING=2"
#define DARK_BG   "BGCOLOR=\"#F3F3F3\"" /* If you change it change it into the
                                         * stylesheet too */
#define TOMATO_BG "BGCOLOR=\"#FF6347\""
#define GOLD_BG   "BGCOLOR=\"#FFD700\""
#define SALMON_BG "BGCOLOR=\"FA8072\""
#define WHEAT_BG  "BGCOLOR=\"F5DEB3\""
#define AZURE_BG  "BGCOLOR=\"F0FFFF\""
#endif



/* Used for HTML tables */
#define BASE_PROTOS_IDX  30

#define CHART_FORMAT ".png"
#define MIME_TYPE_CHART_FORMAT FLAG_HTTP_TYPE_PNG

/*
  Courtesy of
  Peter Marquardt <wwwutz@mpimg-berlin-dahlem.mpg.de>
*/
#define SD(a,b) ((b)?((float)a)/(b):0)

#define CMPTV(a,b) ((a.tv_sec > b.tv_sec) ? 1 : \
                    (a.tv_sec < b.tv_sec) ? -1 : \
                    (a.tv_usec > b.tv_usec) ? 1 : \
                    (a.tv_usec < b.tv_usec) ? -1 : 0)

/* reportUtils.c */
extern void *mallocAndInitWithReportWarn(int sz, char *from);
extern void printHostHTTPVirtualHosts(HostTraffic *el, int actualDeviceId);
extern void formatUsageCounter(UsageCounter usageCtr, Counter maxValue, int actualDeviceId);
extern void printTableDoubleEntry(char *buf, int bufLen,
				  char *label, char* color,
				  float totalS, float percentageS,
				  float totalR, float percentageR);
extern void printTableEntryPercentage(char *buf, int bufLen,
				      char *label, char* label_1,
				      char* label_2, float total,
				      float percentage,
				      u_int showFlows, Counter flows);
extern void printPageTitle(char *text);
extern void printSectionTitle(char *text);
extern void printHostsCharacterization(void);
extern void printFlagedWarning(char *text);
extern void printHeader(int reportType, int revertOrder, u_int column,
                        HostsDisplayPolicy showHostsMode,
                        LocalityDisplayPolicy showLocalityMode,
			char *vlanList, u_short vlanId);
extern void printFcHeader(int reportType, int revertOrder, u_int column, u_int hour, char *url);
extern void printFcHostHeader (HostTraffic *el, char *url, int revertOrder,
                               int column, int hostInfoPage);
extern void printFcDisplayOptions (void);
extern void printFooterHostLink(void);
extern void printFooter(int reportType);
#define getOSFlag(a, b, c, d, e)   _getOSFlag(a, b, c, d, e, __FILE__, __LINE__)
extern char* _getOSFlag(HostTraffic *el, char *_osName, int showOsName, char *tmpStr, int tmpStrLen, char *file, int line);
extern int sortHostFctn(const void *_a, const void *_b);
extern int sortFcHostFctn(const void *_a, const void *_b);
extern int cmpUsersTraffic(const void *_a, const void *_b);
extern int cmpProcesses(const void *_a, const void *_b);
extern int cmpFctn(const void *_a, const void *_b);
extern int cmpFcFctn(const void *_a, const void *_b);
extern int cmpLunFctn (const void *_a, const void *_b);
extern int cmpFcSessionsFctn (const void *_a, const void *_b);
extern int cmpScsiSessionsFctn (const void *_a, const void *_b);
extern int cmpVsanFctn (const void *_a, const void *_b);
extern int cmpFcDomainFctn (const void *_a, const void *_b);
extern int cmpMulticastFctn(const void *_a, const void *_b);
extern void printHostThtpShort(HostTraffic *el, int reportType, u_int hourId);
extern int cmpHostsFctn(const void *_a, const void *_b);
extern int cmpFcHostsFctn(const void *_a, const void *_b);
extern void printPacketStats(HostTraffic *el, int actualDeviceId);
extern void printFcPacketStats(HostTraffic *el, int actualDeviceId);
extern void printHostTrafficStats(HostTraffic *el, int actualDeviceId);
extern void printFcHostTrafficStats(HostTraffic *el, int actualDeviceId);
#ifdef INET6
extern void printIcmpv6Stats(HostTraffic *el);
#endif
extern void printIcmpv4Stats(HostTraffic *el);
extern void printHostFragmentStats(HostTraffic *el, int actualDeviceId);
extern void printTotalFragmentStats(HostTraffic *el, int actualDeviceId);
extern HostTraffic* quickHostLink(HostSerial theSerial, int deviceId, HostTraffic *el);
extern void printHostContactedPeers(HostTraffic *el, int actualDeviceId);
extern void printFcHostContactedPeers(HostTraffic *el, int actualDeviceId);
extern char *getSessionState(IPSession *session);
extern char *getFcSessionState(FCSession *session);
extern void printHostSessions(HostTraffic *el, int actualDeviceId);
extern u_short isHostHealthy(HostTraffic *el);
extern void printHostDetailedInfo(HostTraffic *el, int actualDeviceId);
extern void printFcHostDetailedInfo(HostTraffic *el, int actualDeviceId);
extern void printVsanDetailedInfo (u_int vsanId, int actualDeviceId);
extern void printVsanProtocolStats (FcFabricElementHash *hash, int actualDeviceId);
extern void printServiceStats(char* svcName, ServiceStats* ss, short printSentStats);
extern void printHostUsedServices(HostTraffic *el, int actualDeviceId);
extern void printHostIcmpStats(HostTraffic *el);
extern void printTableEntry(char *buf, int bufLen,
			    char *label, char* color,
			    float total, float percentage,
			    u_int showFlows, Counter flows,
			    u_int showRRD);
extern char* buildHTMLBrowserWindowsLabel(int i, int j, u_short forIpTraffic);
extern int cmpEventsFctn(const void *_a, const void *_b);
extern void printHostHourlyTrafficEntry(HostTraffic *el, int i,
					Counter tcSent, Counter tcRcvd);
extern char* getNbNodeType(char nodeType);
extern void dumpNtopFlows(FILE *fDescr, char* options, int actualDeviceId);
extern void dumpNtopHashes(FILE*, char*, int actualDeviceId);
extern void dumpNtopHashIndexes(FILE*, char* options, int actualDeviceId);
extern void dumpNtopTrafficInfo(FILE*, char* options);
extern void dumpNtopTrafficMatrix(FILE *fDescr, char* options, int actualDeviceId);
extern void checkHostProvidedServices(HostTraffic *el);
extern void printHostsStats(int fingerprintRemote);

extern FcFabricElementHash *getFcFabricElementHash (u_short vsanId, int actualDeviceId);
extern void dumpFcFabricElementHash (FcFabricElementHash **theHash, char* label,
                                     u_char dumpLoopbackTraffic, u_char vsanHash);

extern void printMutexStatus(int textPrintFlag, PthreadMutex *mutexId, char *mutexName);

extern void printPluginTrailer(char *left, char *middle);

/* http.c */
extern char* encodeString(char* in, char* out, u_int out_len);
extern void printHTMLtrailer(void);
extern void returnHTTPpageBadCommunity(void);
extern void returnHTTPredirect(char* destination);
void returnHTTPpageNotFound(char* additionalText);

#define sendStringLen(a, b) _sendStringLen(a, b, 1)
#define sendStringLenWOssi(a, b) _sendStringLen(a, b, 0)
extern void _sendStringLen(char *theString, unsigned int len, int allowSSI);
#define sendString(a) _sendString(a, 1)
#define sendStringWOssi(a) _sendString(a, 0)
extern void _sendString(char *theString, int allowSSI);
extern void printHTTPtrailer(void);
extern void initAccessLog(void);
extern void termAccessLog(void);
extern void sendHTTPHeaderType(void);
extern void sendGIFHeaderType(void);
extern void sendHTTPProtoHeader(void);
extern void handleHTTPrequest(HostAddr from);
extern void printHTMLheader(char *title, char *htmlTitle, int headerFlags);
#ifdef HAVE_OPENSSL
extern char* printSSLError(int errorId);
#endif /* HAVE_OPENSSL */
extern int isAllowedCommunity(char *community_name);
extern void sendHTTPHeader(int mimeType, int headerFlags, int useCompressionIfAvailable);
extern int readHTTPpostData(int len, char *buf, int buflen);

/* report.c */
extern void printBandwidthFooter(void);
extern void initReports(void);
extern void checkReportDevice(void);
extern int reportValues(time_t *lastTime);
extern void addPageIndicator(char *url, u_int beginIdx,
			     u_int numEntries, u_int linesPerPage,
			     int revertOrder, int numCol, int netmode);
extern void printTrafficSummary(int revertOrder);
extern void printTrafficStatistics(int revertOrder);
extern int combineReportTypeLocality(int reportTypeReq, LocalityDisplayPolicy showLocalityMode);
extern void printHostsTraffic(int reportType, int sortedColumn, int revertOrder,
			      int pageNum, char* url, HostsDisplayPolicy showHostsMode,
                              LocalityDisplayPolicy showLocalityMode, int vlanId);
extern void printFcHostsTraffic(int reportType,
			      int sortedColumn, int revertOrder,
			      int pageNum, char* url,
                              LocalityDisplayPolicy showLocalityMode);
extern void printMulticastStats(int sortedColumn /* ignored so far */,
                                int revertOrder, int pageNum);
extern void printVSANList(unsigned int deviceId);
extern void printHostsInfo(int sortedColumn, int revertOrder, int pageNum, 
			   int showBytes, int vlanId, int ifId);
extern void makeDot(void);
extern void printFcHostsInfo(int sortedColumn, int revertOrder, int pageNum, int showBytes, int vsanId);
extern void printAllSessionsHTML (char* host, int actualDeviceId, int sortedColumn,
                                  int revertOrder, int pageNum, char *url,
                                  int hostInfoPage);
/* extern void printAllSessionsHTML (char* host, int actualDeviceId, int sortedColumn,
   int revertOrder, int pageNum, char *url,
   int hostInfoPage);
*/
extern void printLocalRoutersList(int actualDeviceId);
extern void printIpAccounting(int remoteToLocal, int sortedColumn,
			      int revertOrder, int pageNum);
extern void printFcAccounting(int remoteToLocal, int sortedColumn,
			      int revertOrder, int pageNum);
extern void printActiveTCPSessions(int actualDeviceId, int pageNum, HostTraffic *el);
extern void printFCSessions(int actualDeviceId, int sortedColumn, int revertOrder,
                            int pageNum, char *url, HostTraffic *el);
extern int printScsiSessionBytes (int actualDeviceId, int sortedColumn,
                                  int revertOrder, int pageNum, char *url,
                                  HostTraffic *el);
extern int printScsiSessionTimes (int actualDeviceId, int sortedColumn,
                                  int revertOrder, int pageNum, char *url,
                                  HostTraffic *el);
extern int printScsiSessionStatusInfo (int actualDeviceId, int sortedColumn,
                                       int revertOrder, int pageNum, char *url,
                                       HostTraffic *el);
extern int printScsiSessionTmInfo (int actualDeviceId, int sortedColumn,
                                   int revertOrder, int pageNum, char *url,
                                   HostTraffic *el);
extern void printScsiLunStats (HostTraffic *el, int actualDeviceId,
                               int sortedColumn, int revertOrder,
                               int pageNum, char *lun);
extern void printScsiLunGraphs (HostTraffic *el, int actualDeviceId);
extern void printFcTrafficSummary (u_short vsanId);
extern void printIpProtocolUsage(void);
extern void printBar(char *buf, int bufLen, unsigned short percentageS, unsigned short percentageR,
                     unsigned short maxPercentage, unsigned short ratio);
extern void printIpProtocolDistribution(int mode, int revertOrder, int printGraph);
extern void printFcProtocolDistribution(int mode, int revertOrder, int printGraph);
extern void printProtoTraffic(int printGraph);
extern void printProcessInfo(int processPid, int actualReportDeviceId);
extern void printIpTrafficMatrix(void);
extern void printFcTrafficMatrix (u_short vsanId, u_char sent);
extern void printThptStatsMatrix(int sortedColumn);
extern void printThptStats(int sortedColumn);
extern void printDomainStats(char* domain_domain_name, int network_mode, int clusterMode, 
			     int sortedColumn, int revertOrder, int pageNum);
extern void printNoDataYet(void);
extern void printNotAvailable(char* flagName);
extern void listNetFlows(void);
extern void printHostHourlyTraffic(HostTraffic *el);
extern void printVLANList(unsigned int deviceId);
extern void showPortTraffic(u_short portNr);
extern void drawVsanStatsGraph (unsigned int deviceId);
extern void printVSANList(unsigned int deviceId);
extern void handleNtopConfig (char *url, UserPrefDisplayPage page, int postLen);
extern void purgeHost(char *serialized_serial);
extern void printInterfaceStats(void);
extern void findHost(char *key);

/* webInterface.c */
extern int execCGI(char* cgiName);
extern void showPluginsList(char* pluginName);
/* CHECK ME: loadPlugins() and unloadPlugins() should not be in webInterface.c */
extern void initWeb(void);
extern char *calculateCellColor(Counter actualValue, Counter avgTrafficLow, Counter avgTrafficHigh);
extern char *getHostCountryIconURL(HostTraffic *el);
extern char *getActualRowColor(void);
extern void switchNwInterface(int _interface);
extern void shutdownNtop(void);
extern void printHostHourlyTraffic(HostTraffic *el);
extern void printNtopConfigHInfo(int textPrintFlag);
extern void printHostColorCode(int textPrintFlag, int isInfo);
extern void printMutexStatusReport(int textPrintFlag);
extern void printNtopConfigInfo(int textPrintFlag, UserPref *pref);
extern void printNtopProblemReport(void);
extern void initSocket(int isSSL, int ipv4or6, int *port, int *sock, char *addr);
extern bool processNtopPref (char *key, char *value, bool savePref,
                             UserPref *pref);

#ifdef MAKE_WITH_SSLWATCHDOG
extern int sslwatchdogWaitFor(int stateValue, int parentchildFlag, int alreadyLockedFlag);
extern int sslwatchdogClearLock(int parentchildFlag);
extern int sslwatchdogGetLock(int parentchildFlag);
extern int sslwatchdogSignal(int parentchildFlag);
extern int sslwatchdogSetState(int stateNewValue, int parentchildFlag, int enterLockedFlag, int exitLockedFlag);
extern void sslwatchdogSighandler(int signum);
extern void* sslwatchdogChildThread(void* notUsed _UNUSED_);
#endif
extern int printNtopLogReport(int printAsText);
extern char* makeHostAgeStyleSpec(HostTraffic *el, char *buf, int bufSize);
extern void edit_prefs(char *db_key, char *db_val);

/* **************************** */

#define TRAFFIC_STATS                   0
#define SORT_DATA_RECEIVED_PROTOS       1
#define SORT_DATA_RECEIVED_IP           2
#define SORT_DATA_RECEIVED_THPT         3
#define SORT_DATA_RCVD_HOST_TRAFFIC     4
#define SORT_DATA_SENT_PROTOS           5
#define SORT_DATA_SENT_IP               6
#define SORT_DATA_SENT_THPT             7
#define SORT_DATA_SENT_HOST_TRAFFIC     8
#define SORT_DATA_PROTOS                9
#define SORT_DATA_IP                    10
#define SORT_DATA_THPT                  11
#define SORT_DATA_HOST_TRAFFIC          12
#define SORT_FC_DATA                    13
#define SORT_FC_THPT                    14
#define SORT_FC_ACTIVITY                15

#define DISPLAY_FC_FCID                 0
#define DISPLAY_FC_WWN                  1
#define DISPLAY_FC_ALIAS                2
#define DISPLAY_FC_DEFAULT              DISPLAY_FC_ALIAS

/* webInterface.c */
extern void *handleWebConnections(void* notUsed);
extern char *getRowColor(void);
extern char *makeHostLink(HostTraffic *el, short mode,
                          short cutName, short addCountryFlag,
			  char *buf, int bufLen);
extern char *makeFcHostLink (HostTraffic *el, short mode, short cutName,
                             short compactWWN, char *buf, int buflen);
extern char *makeVsanLink (u_short vsanId, short mode, char *buf, int buflen);
extern void  buildMapLink(HostTraffic *el, char *buf, int buf_len);
extern char *getHostName(HostTraffic *el, short cutName, char *buf, int bufLen);

/* graph.c */
extern void hostTrafficDistrib(HostTraffic *theHost, short dataSent);
extern void hostFcTrafficDistrib(HostTraffic *theHost, short dataSent);
extern void hostIPTrafficDistrib(HostTraffic *theHost, short dataSent);
extern void hostFragmentDistrib(HostTraffic *theHost, short dataSent);
extern void hostTimeTrafficDistribution(HostTraffic *theHost, short dataSent);
extern void hostTotalFragmentDistrib(HostTraffic *theHost, short dataSent);
extern void pktSizeDistribPie(void);
extern void fcPktSizeDistribPie(void);
extern void pktTTLDistribPie(void);
extern void ipProtoDistribPie(void);
extern void fcProtoDistribPie(void);
extern void interfaceTrafficPie(void);
extern void pktCastDistribPie(void);
extern void drawTrafficPie(void);
extern void drawThptGraph(int sortedColumn);
extern void drawGlobalProtoDistribution(void);
extern int  drawHostsDistanceGraph(int);
extern void drawGlobalIpProtoDistribution(void);
extern void drawGlobalFcProtoDistribution(void);
extern void drawLunStatsBytesDistribution(HostTraffic *el);
extern void drawLunStatsPktsDistribution(HostTraffic *el);
extern void drawVsanStatsBytesDistribution(int deviceId);
extern void drawVsanStatsPktsDistribution(int deviceId);
extern void drawVsanDomainTrafficDistribution(u_short vsanId, u_char dataSent);
extern void drawVsanSwilsProtoDistribution(u_short vsanId);