int main( int argc, char * argv[])
{
if (argc != 8){
fprintf(stderr, "use: GenLogStrips name #packages #cities #planes #locs_per_city #trucks_per_city #goals\n");
exit(1);
}
name = argv[1];
npackages = atoi(argv[2]);
ncities = atoi(argv[3]);
nplanes = atoi(argv[4]);
nlocs = atoi(argv[5]);
ntrucks = atoi(argv[6]);
ngoals = atoi(argv[7]);
gettimeofday(&tv,&tzp);
seed = (( tv.tv_sec & 0177 ) * 1000000) + tv.tv_usec;
srandom(seed);
print_header();
print_init();
print_final();
return 0;
}
int main(int argc, char **argv) {
int i=0;
char* inquery=NULL;
char query[MAXQUERYLEN];
int pcount=0;
int ql,found;
char* res=NULL;
char* database=DEFAULT_DATABASE;
char* params[MAXPARAMS];
char* values[MAXPARAMS];
int hformat=1; // for header 0: csv, 1: json: reset later after reading params
// Set up timeout signal and abnormal termination handlers:
// the termination handler clears the read lock and detaches database.
// This may fail, however, for some lock strategies and in case
// nontrivial operations are taken in the handler.
#if _MSC_VER // no signals on windows
#else
signal(SIGSEGV,termination_handler);
signal(SIGINT,termination_handler);
signal(SIGFPE,termination_handler);
signal(SIGABRT,termination_handler);
signal(SIGTERM,termination_handler);
signal(SIGALRM,timeout_handler);
alarm(TIMEOUT_SECONDS);
#endif
// for debugging print the plain content-type immediately
// printf("content-type: text/plain\r\n");
// get the cgi query: passed by server or given on the command line
inquery=getenv("QUERY_STRING");
if (inquery==NULL && argc>1) inquery=argv[1];
// or use your own query string for testing a la
// inquery="db=1000&op=search&field=1&value=2&compare=equal&type=record&from=0&count=3";
// parse the query
if (inquery==NULL || inquery[0]=='\0') errhalt(NOQUERY_ERR);
ql=strlen(inquery);
if (ql>MAXQUERYLEN) errhalt(LONGQUERY_ERR);
strcpy((char*)query,inquery);
//printf("query: %s\n",query);
pcount=parse_query(query,ql,params,values);
if (pcount<=0) errhalt(MALFQUERY_ERR);
//for(i=0;i<pcount;i++) {
// printf("param %s val %s\n",params[i],values[i]);
//}
// query is now successfully parsed: find the database
for(i=0;i<pcount;i++) {
if (strncmp(params[i],"db",MAXQUERYLEN)==0) {
if ((values[i]!=NULL) && (values[i][0]!='\0')) {
if (atoi(values[i])==0 && !(values[i][0]=='0' && values[i][1]=='\0')) {
errhalt(DB_PARAM_ERR);
}
database=values[i];
break;
}
}
}
//find the operation and dispatch
found=0;
for(i=0;i<pcount;i++) {
if (strncmp(params[i],"op",MAXQUERYLEN)==0) {
if (strncmp(values[i],"search",MAXQUERYLEN)==0) {
found=1;
res=search(database,params,values,pcount,&hformat);
// here the locks should be freed and database detached
break;
} else if (strncmp(values[i],"recids",MAXQUERYLEN)==0) {
found=1;
res=recids(database,params,values,pcount,&hformat);
// here the locks should be freed and database detached
break;
} else {
errhalt(UNKNOWN_OP_ERR);
}
}
}
if (!found) errhalt(NO_OP_ERR);
print_final(res,hformat);
if (res!=NULL) free(res); // not really necessary and wastes time: process exits
return 0;
}
char* process_query(char* inquery, thread_data_p tdata) {
int i=0;
char *query;
char querybuf[MAXQUERYLEN];
int pcount=0;
int ql,found;
char* res=NULL;
char* database=DEFAULT_DATABASE;
char* params[MAXPARAMS];
char* values[MAXPARAMS];
// first NULL values potentially left from earlier thread calls
#if _MSC_VER
#else
tdata->db=NULL;
#endif
tdata->database=NULL;
tdata->lock_id=0;
tdata->intype=0;
tdata->jsonp=NULL;
tdata->format=1;
tdata->showid=0;
tdata->depth=MAX_DEPTH_DEFAULT;
tdata->maxdepth=MAX_DEPTH_DEFAULT;
tdata->strenc=2;
tdata->buf=NULL;
tdata->bufptr=NULL;
tdata->bufsize=0;
// or use your own query string for testing a la
// inquery="db=1000&op=search&field=1&value=2&compare=equal&type=record&from=0&count=3";
// parse the query
if (inquery==NULL || inquery[0]=='\0') {
if (tdata->iscgi && tdata->method==POST_METHOD_CODE)
return errhalt(CGI_QUERY_ERR,tdata);
else return errhalt(NOQUERY_ERR,tdata);
}
ql=strlen(inquery);
if (ql>MAXQUERYLEN) return errhalt(LONGQUERY_ERR,tdata);
if (tdata->isserver) query=inquery;
else {
strcpy((char*)querybuf,inquery);
query=(char*)querybuf;
}
//fprintf(stderr, "query: %s\n", query);
pcount=parse_query(query,ql,params,values);
if (pcount<=0) return errhalt(MALFQUERY_ERR,tdata);
//for(i=0;i<pcount;i++) {
// printf("param %s val %s\n",params[i],values[i]);
//}
// query is now successfully parsed:
// find the database
#ifdef DEFAULT_DBASE
database=DEFAULT_DBASE;
#endif
if ((tdata->global)->conf->default_dbase.used>0)
database=(tdata->global)->conf->default_dbase.vals[0];
for(i=0;i<pcount;i++) {
if (strncmp(params[i],"db",MAXQUERYLEN)==0) {
if ((values[i]!=NULL) && (values[i][0]!='\0')) {
if (atoi(values[i])==0 && !(values[i][0]=='0' && values[i][1]=='\0')) {
return errhalt(DB_PARAM_ERR,tdata);
}
database=values[i];
break;
}
}
}
tdata->database=database;
// try to find jsonp
for(i=0;i<pcount;i++) {
if (strncmp(params[i],JSONP_PARAM,MAXQUERYLEN)==0) {
tdata->jsonp=values[i];
break;
}
}
//find the operation and dispatch
found=0;
for(i=0;i<pcount;i++) {
if (strncmp(params[i],"op",MAXQUERYLEN)==0) {
if (!strncmp(values[i],"count",MAXQUERYLEN)){
found=1;
res=search(tdata,params,values,pcount,COUNT_CODE);
break;
} else if (!strncmp(values[i],"search",MAXQUERYLEN) ||
!strncmp(values[i],"select",MAXQUERYLEN)) {
found=1;
res=search(tdata,params,values,pcount,SEARCH_CODE);
break;
} else if (!strncmp(values[i],"insert",MAXQUERYLEN)) {
found=1;
res=insert(tdata,params,values,pcount);
break;
} else if (!strncmp(values[i],"update",MAXQUERYLEN)) {
found=1;
res=search(tdata,params,values,pcount,UPDATE_CODE);
break;
} else if (!strncmp(values[i],"delete",MAXQUERYLEN)){
found=1;
res=search(tdata,params,values,pcount,DELETE_CODE);
break;
} else if (!strncmp(values[i],"create",MAXQUERYLEN)) {
found=1;
res=create(tdata,params,values,pcount);
break;
} else if (!strncmp(values[i],"drop",MAXQUERYLEN)) {
found=1;
res=drop(tdata,params,values,pcount);
break;
} else {
return errhalt(UNKNOWN_OP_ERR,tdata);
}
}
}
if (!found) return errhalt(NO_OP_ERR,tdata);
if (tdata->isserver) {
if (tdata->inbuf!=NULL) { free(tdata->inbuf); tdata->inbuf=NULL; }
return res;
} else {
print_final(res,tdata);
// freeing here is not really necessary and wastes time: process exits anyway
if (tdata->inbuf!=NULL) free(tdata->inbuf);
if (res!=NULL) free(res);
return NULL;
}
}
