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kamailio/test/auto.c

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/* test program -> switch speed */
/*
*
* Copyright (C) 2001-2003 FhG Fokus
*
* This file is part of ser, a free SIP server.
*
* ser 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
*
* For a license to use the ser software under conditions
* other than those described here, or to purchase support for this
* software, please contact iptel.org by e-mail at the following addresses:
* info@iptel.org
*
* ser 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
*/
/* parsing: compact form:
* Via: v:
* From: f:
* To: t:
* Cseq: n/a
* Call-ID: i:
* Contact: m:
* Max-Forwards: n/a
* Route: n/a
*/
enum { INITIAL=0,
VIA1, VIA2,
FROM1, FROM2, FROM3,
TO1,
C_START, CSEQ2, CSEQ3,
CALLID2, CALLID3, CALLID4, CALLID5, CALLID6,
CONTACT2, CONTACT3, CONTACT4, CONTACT5, CONTACT6,
M_START, MAXFORWARDS2, MAXFORWARDS3, MAXFORWARDS4, MAXFORWARDS5,
MAXFORWARDS6, MAXFORWARDS7, MAXFORWARDS8, MAXFORWARDS9, MAXFORWARDS10,
MAXFORWARDS11,
ROUTE1, ROUTE2, ROUTE3, ROUTE4,
/* final states*/
F_VIA=1000, F_FROM, F_TO, F_CSEQ, F_CALLID, F_CONTACT, F_MAXFORWARDS,
F_ROUTE,
I_START,
UNKNOWN_HEADER=200,
BODY=220,
LF=25000,
};
#include <stdio.h>
int main(int argc, char** argv)
{
char* t;
register int state;
int i;
int err;
err=0;
state=INITIAL;
printf(" %s (%d)\n", argv[0], argc);
if (argc<2){
fprintf(stderr, " no parameters\n");
exit(-1);
}
for (i=0;i<10000000;i++){
for(t=argv[1];*t;t++){
switch(*t){
case 'V':
case 'v':
switch(state){
case INITIAL:
state=VIA1;
break;
case UNKNOWN_HEADER: break;
default:
state=UNKNOWN_HEADER;
}
break;
case 'I':
case 'i':
switch(state){
case VIA1:
state=VIA2;
break;
case CALLID5:
state=CALLID6;
break;
case INITIAL:
state=I_START;
break;
case UNKNOWN_HEADER: break;
default:
state=UNKNOWN_HEADER;
}
break;
case 'A':
case 'a':
switch(state){
case VIA2:
state=F_VIA;
break;
case C_START: /*CALLID1*/
state=CALLID2;
break;
case CONTACT4:
state=CONTACT5;
break;
case M_START:
state=MAXFORWARDS2;
break;
case MAXFORWARDS8:
state=MAXFORWARDS9;
break;
case UNKNOWN_HEADER: break;
default:
state=UNKNOWN_HEADER;
}
break;
case 'F':
case 'f':
switch(state){
case INITIAL:
state=FROM1;
break;
case MAXFORWARDS4:
state=MAXFORWARDS5;
break;
case UNKNOWN_HEADER: break;
default:
state=UNKNOWN_HEADER;
}
break;
case 'R':
case 'r':
switch(state){
case INITIAL:
state=ROUTE1;
break;
case FROM1:
state=FROM2;
break;
case MAXFORWARDS6:
state=MAXFORWARDS7;
break;
case MAXFORWARDS9:
state=MAXFORWARDS10;
break;
case UNKNOWN_HEADER: break;
default:
state=UNKNOWN_HEADER;
}
break;
case 'O':
case 'o':
switch(state){
case FROM2:
state=FROM3;
break;
case TO1:
state=F_TO;
break;
case C_START: /*CONTACT1 */
state=CONTACT2;
break;
case ROUTE1:
state=ROUTE2;
break;
case MAXFORWARDS5:
state=MAXFORWARDS6;
break;
case UNKNOWN_HEADER: break;
default:
state=UNKNOWN_HEADER;
}
break;
case 'M':
case 'm':
switch(state){
case INITIAL:
state=M_START;
break;
case FROM3:
state=F_FROM;
break;
case UNKNOWN_HEADER: break;
default:
state=UNKNOWN_HEADER;
}
break;
case 'T':
case 't':
switch(state){
case INITIAL:
state=TO1;
break;
case CONTACT3:
state=CONTACT4;
break;
case CONTACT6:
state=F_CONTACT;
break;
case ROUTE3:
state=ROUTE4;
break;
case UNKNOWN_HEADER: break;
default:
state=UNKNOWN_HEADER;
}
break;
case 'C':
case 'c':
switch(state){
case INITIAL:
state=C_START;
break;
case CONTACT5:
state=CONTACT6;
break;
case UNKNOWN_HEADER: break;
default:
state=UNKNOWN_HEADER;
}
break;
case 'S':
case 's':
switch(state){
case C_START:
state=CSEQ2;
break;
case MAXFORWARDS11:
state=F_MAXFORWARDS;
break;
case UNKNOWN_HEADER: break;
default:
state=UNKNOWN_HEADER;
}
break;
case 'E':
case 'e':
switch(state){
case CSEQ2:
state=CSEQ3;
break;
case ROUTE4:
state=F_ROUTE;
break;
case UNKNOWN_HEADER: break;
default:
state=UNKNOWN_HEADER;
}
break;
case 'Q':
case 'q':
switch(state){
case CSEQ3:
state=F_CSEQ;
break;
case UNKNOWN_HEADER: break;
default:
state=UNKNOWN_HEADER;
}
break;
case 'L':
case 'l':
switch(state){
case CALLID2:
state=CALLID3;
break;
case CALLID3:
state=CALLID4;
break;
case UNKNOWN_HEADER: break;
default:
state=UNKNOWN_HEADER;
}
break;
case 'D':
case 'd':
switch(state){
case CALLID6:
state=F_CALLID;
break;
case MAXFORWARDS10:
state=MAXFORWARDS11;
break;
case UNKNOWN_HEADER: break;
default:
state=UNKNOWN_HEADER;
}
break;
case 'N':
case 'n':
switch(state){
case CONTACT2:
state=CONTACT3;
break;
case UNKNOWN_HEADER: break;
default:
state=UNKNOWN_HEADER;
}
break;
case 'X':
case 'x':
switch(state){
case MAXFORWARDS2:
state=MAXFORWARDS3;
break;
case UNKNOWN_HEADER: break;
default:
state=UNKNOWN_HEADER;
}
break;
case '-':
switch(state){
case CALLID4:
state=CALLID5;
break;
case MAXFORWARDS3:
state=MAXFORWARDS4;
break;
case UNKNOWN_HEADER: break;
default:
state=UNKNOWN_HEADER;
}
break;
case 'W':
case 'w':
switch(state){
case MAXFORWARDS7:
state=MAXFORWARDS8;
break;
case UNKNOWN_HEADER: break;
default:
state=UNKNOWN_HEADER;
}
break;
case 'U':
case 'u':
switch(state){
case ROUTE2:
state=ROUTE3;
break;
case UNKNOWN_HEADER: break;
default:
state=UNKNOWN_HEADER;
}
break;
case ' ':
switch(state){
case INITIAL:
break; /*eat space */
case F_VIA:
case F_FROM:
case F_TO:
case F_CSEQ:
case F_CALLID:
case F_CONTACT:
case F_MAXFORWARDS:
case F_ROUTE:
break; /* eat trailing space*/
case VIA1:
/*compact form: v: */
state=F_VIA;
break;
case FROM1:
/*compact form f:*/
state=F_FROM;
break;
case TO1:
/*compact form t:*/
state=F_TO;
break;
case I_START:
/*compact form i: (Call-ID)*/
state=F_CALLID;
break;
case M_START:
/*compact form m: (Contact)*/
state=F_CONTACT;
break;
case UNKNOWN_HEADER: break;
default:
state=UNKNOWN_HEADER;
}
break;
case ':':
switch(state){
case F_VIA:
case VIA1: /* compact form*/
case F_FROM:
case FROM1: /*compact form*/
case F_TO:
case TO1: /*compact form*/
case F_CSEQ:
case F_CALLID:
case I_START: /*compact form*/
case F_CONTACT:
case M_START: /*compact form*/
case F_MAXFORWARDS:
case F_ROUTE:
// printf("found header, state=%d\n", state);
state=INITIAL; /* reset to test*/
break;
case UNKNOWN_HEADER:
default:
/*printf("found unknown header, state=%d\n",
state);*/
err=1;
state=INITIAL;
}
break;
default:
/*fprintf(stderr, "Unexpected char <%c> encountered"
" state=%d\n", *t, state);
exit(-1);*/
state=UNKNOWN_HEADER;
}
}
} //for i
if (err) printf("Error unknown header\n");
printf("final state=%d\n", state);
exit(0);
}
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