//******************************************************
// Skill methods
//******************************************************
// Construct a servant
void *servantConstruct(nbCELL context,void *skillHandle,nbCELL arglist,char *text){
nbServant *servant;
static unsigned char filecount=0;
//int len;
if(strlen(text)>=sizeof(servant->cmd)){
nbLogMsg(context,0,'E',"Command text len=%d too long for buffer len=%d\n",strlen(text),sizeof(servant->cmd));
return(NULL);
}
servant=nbAlloc(sizeof(nbServant));
servant->context=context;
servant->process=NULL;
snprintf(servant->cmd,sizeof(servant->cmd),"%s",text); // 2012-10-16 eat - length checked above // 2013-01-17 eat - VID 6572
filecount++; // modulo 256
snprintf(servant->log,sizeof(servant->log),"servant.%8.8d.%3.3d.out",(int)time(NULL),filecount);
nbListenerEnableOnDaemon(context);
return(servant);
}
/*
* construct() method
*
* define <term> node <skill>[(<args>)][:<text>]
*
* <args> - port_number or "interface_address[:port_number]"
* <text> - flag keywords
* trace - display input packets
* dump - display dump of SNMP UDP packets
* silent - don't echo generated NodeBrain commands
*
* define snmptrap node snmptrap;
* define snmptrap node snmptrap:dump,silent;
* define snmptrap node snmptrap("127.0.0.1");
* define snmptrap node snmptrap(50162);
* define snmptrap node snmptrap("127.0.0.1:50162");
* define snmptrap node snmptrap("127.0.0.1:50162"):silent;
*/
static void *serverConstruct(nbCELL context,void *skillHandle,nbCELL arglist,char *text){
NB_MOD_Snmptrap *snmptrap;
nbCELL cell=NULL;
nbSET argSet;
char *cursor=text,*delim,saveDelim;
double r,d;
char interfaceAddr[16];
unsigned int port=162;
int type,trace=0,dump=0,echo=1;
int len;
char *str;
*interfaceAddr=0;
argSet=nbListOpen(context,arglist);
cell=nbListGetCellValue(context,&argSet);
if(cell!=NULL){
type=nbCellGetType(context,cell);
if(type==NB_TYPE_STRING){
str=nbCellGetString(context,cell);
delim=strchr(str,':');
if(delim==NULL) len=strlen(str);
else len=delim-str;
if(len>15){
nbLogMsg(context,0,'E',"Inteface IP address may not be greater than 15 characters");
nbCellDrop(context,cell);
return(NULL);
}
strncpy(interfaceAddr,str,len);
*(interfaceAddr+len)=0;
if(delim!=NULL){
delim++;
port=(unsigned int)atoi(delim);
}
nbCellDrop(context,cell);
}
else if(type==NB_TYPE_REAL){
r=nbCellGetReal(context,cell);
nbCellDrop(context,cell);
port=(unsigned int)r;
d=port;
if(d!=r || d==0){
nbLogMsg(context,0,'E',"Expecting non-zero integer UDP port number");
return(NULL);
}
}
else{
nbLogMsg(context,0,'E',"Expecting interface (\"address[:port]\") or (port) as argument list");
return(NULL);
}
cell=nbListGetCellValue(context,&argSet);
if(cell!=NULL){
nbLogMsg(context,0,'E',"Only one argument expected - ignoring additional arguments");
nbCellDrop(context,cell);
}
}
if(*text!=0){
cursor=text;
while(*cursor==' ') cursor++;
while(*cursor!=';' && *cursor!=0){
delim=strchr(cursor,' ');
if(delim==NULL) delim=strchr(cursor,',');
if(delim==NULL) delim=strchr(cursor,';');
if(delim==NULL) delim=cursor+strlen(cursor); // 2013-01-14 eat - VID 969-0.8.13-3 FP but replaced strchr(cursor,0)
saveDelim=*delim;
*delim=0;
if(strcmp(cursor,"trace")==0){trace=1;}
else if(strcmp(cursor,"dump")==0){trace=1;dump=1;}
else if(strcmp(cursor,"silent")==0) echo=0;
*delim=saveDelim;
cursor=delim;
if(*cursor==',') cursor++;
while(*cursor==' ') cursor++;
}
}
snmptrap=nbAlloc(sizeof(NB_MOD_Snmptrap));
snmptrap->socket=0;
strcpy(snmptrap->interfaceAddr,interfaceAddr);
snmptrap->port=port;
snmptrap->trace=trace;
snmptrap->dump=dump;
snmptrap->echo=echo;
snmptrap->handlerContext=NULL;
snmptrap->syntaxContext=NULL;
snmptrap->attributeContext=NULL;
nbListenerEnableOnDaemon(context); // sign up to enable when we daemonize
return(snmptrap);
}
/*
* construct() method
*
* define <term> node <skill>[(<args>)][:<text>]
*
* define <term> node audit("<filename>","<translator>",<schedule>);
*/
static void *auditConstruct(nbCELL context,void *skillHandle,nbCELL arglist,char *text){
nbAudit *audit;
nbCELL fileNameCell,translatorNameCell,scheduleCell,nullCell;
nbSET argSet;
int type;
char *fileName,*translatorName;
nbCELL translatorCell;
//nbLogMsg(context,0,'T',"auditConstruct: called");
argSet=nbListOpen(context,arglist);
fileNameCell=nbListGetCellValue(context,&argSet);
if(fileNameCell==NULL){
nbLogMsg(context,0,'E',"Expecting string file name as first parameter");
return(NULL);
}
type=nbCellGetType(context,fileNameCell);
if(type!=NB_TYPE_STRING){
nbLogMsg(context,0,'E',"Expecting string file name as first parameter");
return(NULL);
}
fileName=nbCellGetString(context,fileNameCell);
translatorNameCell=nbListGetCellValue(context,&argSet);
if(translatorNameCell==NULL){
nbLogMsg(context,0,'E',"Expecting string translator name as second parameter");
return(NULL);
}
type=nbCellGetType(context,translatorNameCell);
if(type!=NB_TYPE_STRING){
nbLogMsg(context,0,'E',"Expecting string translator name as second parameter");
return(NULL);
}
translatorName=nbCellGetString(context,translatorNameCell);
scheduleCell=nbListGetCell(context,&argSet); // get schedule cell - not value
nullCell=nbListGetCellValue(context,&argSet);
if(nullCell!=NULL){
nbLogMsg(context,0,'E',"The audit skill only accepts three parameters.");
return(NULL);
}
translatorCell=nbTranslatorCompile(context,0,translatorName);
if(translatorCell==NULL){
nbLogMsg(context,0,'E',"Unable to load translator '%s'",translatorName);
return(NULL);
}
audit=nbAlloc(sizeof(struct NB_MOD_AUDIT));
audit->file=NULL;
audit->pos=0;
audit->fileNameCell=fileNameCell;
audit->fileName=fileName;
audit->translatorNameCell=translatorNameCell;
audit->translatorName=translatorName;
audit->translatorCell=nbCellGrab(context,translatorCell);
audit->scheduleCell=scheduleCell;
audit->synapseCell=NULL;
audit->trace=0;
nbListenerEnableOnDaemon(context); // sign up to enable when we daemonize
if(audit->trace) nbLogMsg(context,0,'T',"auditConstruct: returning");
return(audit);
}
/*
* construct() method
*
* define <term> node <skill>("<translator>",[<binding>])[:<text>]
*
* <translator> - name of translator file
* <binding> - port_number or "interface_address[:port_number]"
* <text> - flag keywords
* trace - display input packets
* dump - display dump of syslog packets
* silent - don't echo generated NodeBrain commands
*
* define syslog node syslog.server("syslog.nbx");
* define syslog node syslog.server("syslog.nbx"):dump,silent;
* define syslog node syslog.server("syslog.nbx","127.0.0.1");
* define syslog node syslog.server("syslog.nbx",50162);
* define syslog node syslog.server("syslog.nbx","127.0.0.1:50162");
* define syslog node syslog.server("syslog.nbx","127.0.0.1:50162"):silent;
*/
void *serverConstruct(nbCELL context,void *skillHandle,nbCELL arglist,char *text){
NB_MOD_Server *server;
nbCELL cell=NULL;
nbSET argSet;
char *cursor=text,*delim,saveDelim;
double r,d;
char interfaceAddr[512];
unsigned int port=514;
int type,trace=0,dump=0,echo=1;
int len;
char *str;
char *transfilename;
nbCELL translator;
char *uri="";;
*interfaceAddr=0;
argSet=nbListOpen(context,arglist);
cell=nbListGetCellValue(context,&argSet);
if(cell==NULL){
nbLogMsg(context,0,'E',"Translator configuration file required as first argument");
return(NULL);
}
type=nbCellGetType(context,cell);
if(type!=NB_TYPE_STRING){
nbLogMsg(context,0,'E',"First argument must be string identifying translator configuration file");
return(NULL);
}
transfilename=nbCellGetString(context,cell);
translator=nbTranslatorCompile(context,0,transfilename);
if(translator==NULL){
nbLogMsg(context,0,'E',"Unable to load translator '%s'",transfilename);
return(NULL);
}
cell=nbListGetCellValue(context,&argSet);
if(cell!=NULL){
type=nbCellGetType(context,cell);
if(type==NB_TYPE_STRING){
str=nbCellGetString(context,cell);
uri=strdup(str);
if(!uri) nbExit("serverConstruct: Out of memory - terminating");
if(strncmp(str,"udp://",6)==0) str+=6; // allow for uri
delim=strchr(str,':');
if(delim==NULL) len=strlen(str);
else len=delim-str;
if(len>15 && *str>='0' && *str<='9'){
nbLogMsg(context,0,'E',"Inteface IP address may not be greater than 15 characters");
nbCellDrop(context,cell);
return(NULL);
}
if(len>sizeof(interfaceAddr)-1){
nbLogMsg(context,0,'E',"Socket specification too long for buffer at--->%s",str);
nbCellDrop(context,cell);
return(NULL);
}
strncpy(interfaceAddr,str,len);
*(interfaceAddr+len)=0;
if(delim!=NULL){
delim++;
port=(unsigned int)atoi(delim);
}
nbCellDrop(context,cell);
}
else if(type==NB_TYPE_REAL){
r=nbCellGetReal(context,cell);
nbCellDrop(context,cell);
port=(unsigned int)r;
d=port;
if(d!=r || d==0){
nbLogMsg(context,0,'E',"Expecting non-zero integer UDP port number");
return(NULL);
}
}
else{
nbLogMsg(context,0,'E',"Expecting (\"file\") or (\"address[:port]\") or (port) as argument list");
return(NULL);
}
cell=nbListGetCellValue(context,&argSet);
if(cell!=NULL){
nbLogMsg(context,0,'E',"The syslog skill only accepts two argument.");
return(NULL);
}
}
while(*cursor==' ') cursor++;
while(*cursor!=';' && *cursor!=0){
delim=strchr(cursor,' ');
if(delim==NULL) delim=strchr(cursor,',');
if(delim==NULL) delim=strchr(cursor,';');
if(delim==NULL) delim=cursor+strlen(cursor);
saveDelim=*delim;
*delim=0;
if(strcmp(cursor,"trace")==0){trace=1;}
else if(strcmp(cursor,"dump")==0){trace=1;dump=1;}
else if(strcmp(cursor,"silent")==0) echo=0;
*delim=saveDelim;
cursor=delim;
if(*cursor==',') cursor++;
while(*cursor==' ' || *cursor==',') cursor++;
}
server=nbAlloc(sizeof(NB_MOD_Server));
server->uri=uri;
server->socket=0;
strcpy(server->interfaceAddr,interfaceAddr);
server->port=port;
server->translator=translator;
server->trace=trace;
server->dump=dump;
server->echo=echo;
nbLogMsg(context,0,'I',"calling nbListenerEnableOnDaemon");
nbListenerEnableOnDaemon(context); // sign up to enable when we daemonize
return(server);
}
/*
* construct() method
*
* define <term> node <skill>[(<args>)][:<text>]
*
* define <term> node baseline("<directory>",<weight>,<tolerance>,<cycle>,<interval>)[:<options>];
*/
static void *baselineConstruct(nbCELL context,BTreeSkill *skillHandle,nbCELL arglist,char *text){
int options=0;
nbCELL found=NULL;
nbCELL notfound=NULL;
nbCELL cell;
BTree *tree;
char *cursor=text,*delim,ident[256];
int len;
nbSET argSet;
char *directory;
double weight=0.5,tolerance=3,cycle=7*24*60,periods=24;
double interval=60;
argSet=nbListOpen(context,arglist);
cell=nbListGetCellValue(context,&argSet);
if(cell==NULL || nbCellGetType(context,cell)!=NB_TYPE_STRING){
nbLogMsg(context,0,'E',"Baseline directory string required as first argument");
return(NULL);
}
directory=nbCellGetString(context,cell); // we don't drop this cell because we reference it
cell=nbListGetCellValue(context,&argSet);
if(cell!=NULL){
if(nbCellGetType(context,cell)!=NB_TYPE_REAL || (weight=nbCellGetReal(context,cell))<0 || weight>1){
nbLogMsg(context,0,'E',"Second argument must be numeric weight between 0 and 1");
return(NULL);
}
nbCellDrop(context,cell);
cell=nbListGetCellValue(context,&argSet);
if(cell!=NULL){
if(nbCellGetType(context,cell)!=NB_TYPE_REAL || (tolerance=nbCellGetReal(context,cell))<0){
nbLogMsg(context,0,'E',"Third argument must be non-negative numeric tolerance");
return(NULL);
}
nbCellDrop(context,cell);
cell=nbListGetCellValue(context,&argSet);
if(cell!=NULL){
if(nbCellGetType(context,cell)!=NB_TYPE_REAL || (cycle=nbCellGetReal(context,cell))<1 || cycle!=(int)cycle){
nbLogMsg(context,0,'E',"Forth argument must be positive integer number of minutes in a cycle");
return(NULL);
}
nbCellDrop(context,cell);
cell=nbListGetCellValue(context,&argSet);
if(cell!=NULL){
if(nbCellGetType(context,cell)!=NB_TYPE_REAL || (interval=nbCellGetReal(context,cell))<1 || interval!=(int)interval || (periods=cycle/interval)<1 || periods!=(int)periods){
nbLogMsg(context,0,'E',"Fifth argument must be positive integer number of minutes in an interval by which %d is evenly divisable",cycle);
return(NULL);
}
nbCellDrop(context,cell);
cell=nbListGetCellValue(context,&argSet);
if(cell!=NULL){
nbLogMsg(context,0,'E',"Only five arguments supported");
return(NULL);
}
}
}
}
}
if(skillHandle!=NULL && skillHandle->trace) nbLogMsg(context,0,'T',"baselineConstruct() called");
while(*cursor==' ') cursor++;
while(*cursor!=0 && *cursor!=';'){
delim=cursor;
while(*delim>='a' && *delim<='z') delim++;
len=delim-cursor;
if(len>sizeof(ident)-1){
nbLogMsg(context,0,'E',"Option not recognized at \"%s\".",cursor);
return(NULL);
}
strncpy(ident,cursor,len);
*(ident+len)=0;
cursor=delim;
while(*cursor==' ') cursor++;
if(strcmp(ident,"trace")==0) options|=BTREE_OPTION_TRACE;
else if(strcmp(ident,"order")==0) options|=BTREE_OPTION_ORDER;
else if(strcmp(ident,"partition")==0) options|=BTREE_OPTION_PARTITION|BTREE_OPTION_ORDER;
else if(strcmp(ident,"sum")==0) options|=BTREE_OPTION_SUM;
else if(strcmp(ident,"static")==0) options|=BTREE_OPTION_STATIC;
else if(strcmp(ident,"found")==0 || strcmp(ident,"notfound")==0){
if(*cursor!='='){
nbLogMsg(context,0,'E',"Expecting '=' at \"%s\".",cursor);
return(NULL);
}
cursor++;
cell=nbCellParse(context,&cursor);
if(cell==NULL){
nbLogMsg(context,0,'E',"Syntax error in cell expression.");
return(NULL);
}
if(strcmp(ident,"found")==0) found=cell;
else notfound=cell;
}
else{
nbLogMsg(context,0,'E',"Option not recognized at \"%s\".",cursor);
return(NULL);
}
while(*cursor==' ') cursor++;
if(*cursor==','){
cursor++;
while(*cursor==' ') cursor++;
}
else if(*cursor!=0 && *cursor!=';'){
nbLogMsg(context,0,'E',"Expecting ',' ';' or end of line at \"%s\".",cursor);
return(NULL);
}
}
if(notfound==NULL) notfound=NB_CELL_UNKNOWN;
if(found==NULL) found=notfound;
tree=(BTree *)nbAlloc(sizeof(BTree));
tree->options=options;
tree->notfound=notfound;
tree->found=found;
tree->root=NULL;
tree->directory=directory;
tree->cycle=cycle*60;
tree->periods=periods;
tree->interval=interval*60;
tree->weight=weight;
tree->tolerance=tolerance*1.25;
nbListenerEnableOnDaemon(context); // sign up to enable when we daemonize
return(tree);
}
