added a nice java-free sics commandline client M.Z.

This commit is contained in:
cvs
2003-03-12 13:48:24 +00:00
parent 9f03f7cdd7
commit 9a5bd901d8
5 changed files with 571 additions and 0 deletions

214
tecs/six.c Normal file
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#include <unistd.h>
#include <stdlib.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <netdb.h>
#include "coc_util.h"
#include "myc_err.h"
#include "myc_str.h"
#include <assert.h>
#include <string.h>
#include <stdio.h>
#include "term.h"
int CocCreateSockAdr(
struct sockaddr_in *sockaddrPtr, /* Socket address */
const char *host, /* Host. NULL implies INADDR_ANY */
int port) /* Port number */
{
struct hostent *hostent; /* Host database entry */
struct in_addr addr; /* For 64/32 bit madness */
(void) memset((char *) sockaddrPtr, '\0', sizeof(struct sockaddr_in));
sockaddrPtr->sin_family = AF_INET;
sockaddrPtr->sin_port = htons((unsigned short) (port & 0xFFFF));
if (host == NULL || host[0]=='\0') {
addr.s_addr = INADDR_ANY;
} else {
hostent = gethostbyname(host);
if (hostent != NULL) {
memcpy((char *) &addr,
(char *) hostent->h_addr_list[0], (size_t) hostent->h_length);
} else {
addr.s_addr = inet_addr(host);
if (addr.s_addr == (unsigned long)-1) {
return -1; /* error */
}
}
}
/*
* There is a rumor that this assignment may require care on
* some 64 bit machines.
*/
sockaddrPtr->sin_addr.s_addr = addr.s_addr;
return 0;
}
int readWrite(int fd, int skip) {
char msg[128];
int l, i, go, iret, ires, n;
n=0;
go=0;
ires=0;
iret=term_wait_fd(fd, skip?5000:1000);
while (iret==1) {
ERR_SI(l=recv(fd, msg, sizeof(msg)-1, 0));
if (l==0) return(0);
msg[l]='\0';
if (skip==4) {
ires=1;
} else if (skip==3) {
if (NULL!=strstr(msg, "Acknowledged")) ires=1;
} else if (skip==1 || skip==2) {
if (NULL!=strstr(msg, "SICS")) ires=1;
}
for (i=0; i<l-1; i++) {
if (msg[i]==-1 && msg[i+1]==-7) { /* go ahead */
go=1;
msg[i]='<'; msg[i+1]='>';
} else {
go=0;
}
}
if (skip<2 || skip==2 && ires==0) {
fputs(msg, stdout);
} else {
n+=strlen(msg);
}
if (go) break;
iret=term_wait_fd(fd, skip?5000:1000);
}
return ires*n;
OnError: return -1;
}
int main (int argc, char *argv[]) {
int iret, pos;
fd_set mask;
int fd, l, i, j, port, skip;
char buf[128], lbuf[16], ibuf[64];
char *rights, *instr, *sim="", *us, *ps;
struct sockaddr_in sadr;
port=1301;
skip=2;
j=0;
for (i=1; i<argc; i++) {
if (0==strcmp(argv[i], "-s")) {
port=1303; sim="-sim";
} else if (0==strcmp(argv[i], "-w")) {
skip=1;
} else {
if (strlen(argv[i])>=32) {
printf("argument too long\n");
} else {
if (j==0) {
us=argv[i];
j=1;
} else if (j==1) {
ps=argv[i];
j=2;
} else {
printf("too many arguments\n");
return 0;
}
}
}
}
if (j==1) {
printf("missing password\n");
return(0);
}
instr=getenv("Instrument");
if (instr==NULL || instr[0]=='\0') {
printf("Instrument is undefined\n");
return(0);
}
ERR_I(CocCreateSockAdr(&sadr, "0", port));
ERR_SI(fd=socket(AF_INET, SOCK_STREAM, 0));
term_reg_socket(fd);
ERR_SI(connect(fd, (struct sockaddr *)&sadr, sizeof(sadr)));
strcpy(buf, "sicslogin Spy 007\r\n");
ERR_SI(send(fd, buf, strlen(buf), 0));
ERR_I(i=readWrite(fd,skip));
if (!i) {
printf("rejected\n");
return 0;
}
printf("reading welcome message ...\n");
if (j==0) {
rights=getenv("six_rights");
if (rights!=NULL && 0==strcmp(rights, instr)) {
us="lnsmanager";
ps="lnsSICSlns";
} else {
sprintf(ibuf, "%suser", instr);
str_lowcase(ibuf, ibuf);
us=ibuf;
ps="02lns1";
}
}
sprintf(buf, "config Rights %s %s\r\n", us, ps);
ERR_SI(send(fd, buf, strlen(buf), 0));
ERR_I(i=readWrite(fd,3));
if (!i) {
us="Spy";
}
printf("logged in to SICS as %s on %s%s\n", us, instr, sim);
if (*sim!='\0') {
strcpy(buf, "sync\r\n");
ERR_SI(send(fd, buf, strlen(buf), 0));
ERR_I(i=readWrite(fd,4));
printf("synchronized (%d chars read)\n", i);
}
iret=1;
buf[0]='\0';
pos=0;
str_lowcase(instr,instr);
sprintf(ibuf, "six[%s%s] ", instr, sim);
while (1) {
FD_ZERO(&mask);
FD_SET(fd, &mask);
iret=term_get_line(buf, sizeof(buf)-2, &pos, ibuf, &mask);
if (iret==STDIN_FILENO) { /* input line terminated */
str_lowcase(lbuf, buf);
if (0==strcmp(lbuf,"quit")) break;
if (0==strcmp(lbuf,"exit")) break;
if (0==strcmp(lbuf,"stop")) {
strcpy(buf, "INT1712 3");
} else if (0==strcmp(buf, "")) {
strcpy(buf, "status");
}
fputs("\n", stdout);
skip=0;
if (0==strcmp(lbuf,"sync")) skip=4;
l=strlen(buf);
/*
printf("sent> %s[%d chars]\n", buf, l);
*/
buf[l]=13;
buf[l+1]=10;
ERR_SI(send(fd, buf, l+2, 0));
ERR_I(i=readWrite(fd,skip));
if (skip==4) {
printf("synchronize (%d chars read)\n", i);
}
buf[0]='\0';
pos=0;
} else if (iret<0) { /* ?? */
printf("\nwhat?\n"); exit(1);
} else { /* socket iret ready to read */
assert(fd==iret);
ERR_I(readWrite(fd,0));
}
}
fputs("\n", stdout);
return(0);
OnError:
ErrShow("end");
return(0);
}

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#include <termios.h>
#include <unistd.h>
#include <stdio.h>
#include <sys/time.h>
static int lastFd=-1;
static struct termios atts;
void sys_keys_on(void) {
int iret;
struct termios attr;
iret=tcgetattr(STDIN_FILENO,&attr);
atts=attr; /* save term. attr. */
if (iret!=0) { perror("***\n");}
attr.c_lflag &= ~(ICANON) & ~(ECHO); /* canonical mode off, echo off */
attr.c_cc[VMIN]=0;
attr.c_cc[VTIME]=1; /* 0.1 sec */
iret= tcsetattr(STDIN_FILENO,TCSANOW,&attr);
if (iret!=0) {perror("***\n");}
}
void sys_keys_off(void) {
int iret;
iret=tcsetattr(STDIN_FILENO,TCSANOW,&atts); /* restore term. attributes */
if (iret!=0) {perror("***\n");};
}
int sys_select_or_key(fd_set *mask, int msecTmo, char *key) {
int chan, fd, iret, fd1, m, chr;
struct timeval tmo, tmo0={0,0};
fd_set rmask;
static int init=1;
if (init) {
sys_keys_on();
init=0;
}
rmask=*mask;
iret=select(FD_SETSIZE, &rmask, NULL, NULL, &tmo0);
if (iret<0) {
FD_ZERO(&rmask);
perror("error in select");
}
fd1=STDIN_FILENO;
chr=fgetc(stdin);
if (chr==EOF && iret==0) {
rmask=*mask;
FD_SET(STDIN_FILENO, &rmask);
if (msecTmo>=0) {
if (msecTmo>100) { /* reduce 100 ms for the 1 tenth second in fgetc */
msecTmo=msecTmo-100;
} else {
msecTmo=1;
}
tmo.tv_sec=msecTmo / 1000;
tmo.tv_usec=(msecTmo%1000)*1000;
iret=select(FD_SETSIZE, &rmask, NULL, NULL, &tmo);
} else {
iret=select(FD_SETSIZE, &rmask, NULL, NULL, NULL);
}
if (iret<0) {
FD_ZERO(&rmask);
perror("error in select");
}
if (FD_ISSET(STDIN_FILENO, &rmask)) {
chr=fgetc(stdin);
}
FD_CLR(STDIN_FILENO, &rmask);
}
if (chr==EOF) {
chr=0;
fd1=-1;
for (fd=1; fd<FD_SETSIZE; fd++) {
if (FD_ISSET(fd, &rmask)) {
if (fd1<0) {
fd1=fd; /* first fd */
} else if (fd>lastFd) {
fd1=fd; break;
}
}
}
}
*mask=rmask;
*key=chr;
/*
sys_keys_off();
*/
return(fd1);
}

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tecs/sys_select.h Normal file
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#ifndef SYS_SELECT_H_
#define SYS_SELECT_H_
#include <sys/time.h>
int sys_select_or_key(fd_set *mask, int msecTmo, char *key);
/* wait for read event on sockets included in mask or from keyboard or a timeout
result is negative for timeout,
STDIN_FILENO for a key pressed,
else socket number
*/
#endif /* SYS_SELECT_H_ */

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#include <unistd.h>
#include <stdlib.h>
#include <sys/socket.h>
#include <sys/time.h>
#include <assert.h>
#include <string.h>
#include <stdio.h>
#include "sys_select.h"
#define ESC_TMO 1000
#define REF_TMO 100
#define HISTORY_LINES 256
#define L_ARROW '\200'
#define R_ARROW '\201'
#define U_ARROW '\202'
#define D_ARROW '\203'
#define EVT_CHAR '\0'
#define DEL_CHAR '\b'
#define RET_CHAR '\n'
static char esc_key='\0';
static fd_set regMask;
static int lastFd=-1;
void term_reg_socket(int fd) {
FD_SET(fd, &regMask);
}
void term_unr_socket(int fd) {
FD_CLR(fd, &regMask);
}
int term_raw_key(char *key, int msecTmo) {
fd_set mask;
mask=regMask;
return(sys_select_or_key(&mask, msecTmo, key));
}
int term_wait_fd(int fd, int msecTmo) {
fd_set mask;
struct timeval tmo;
FD_ZERO(&mask);
FD_SET(fd, &mask);
tmo.tv_sec=msecTmo / 1000;
tmo.tv_usec=(msecTmo % 1000) * 1000+1;
return(select(FD_SETSIZE, &mask, NULL, NULL, &tmo));
}
int term_get_key(char *key, int msecTmo) {
int iret;
char k;
if (esc_key==0) {
iret=term_raw_key(&k, msecTmo);
} else {
k=esc_key;
}
while (k==27) { /* esc */
iret=term_raw_key(&k, ESC_TMO);
switch (k) {
case 'O': k='\217'; break; /* ss3 */
case '[': k='\233'; break; /* csi */
default: break;
}
}
if (iret!=STDIN_FILENO) {
esc_key=k;
*key='\0';
return(iret);
}
switch (k) {
case '\233': /* csi */
iret=term_raw_key(&k, ESC_TMO);
while (k>='0' && k <='9') {
iret=term_raw_key(&k, ESC_TMO);
}
if (iret!=STDIN_FILENO) {
esc_key=k;
*key='\0';
return(iret);
}
switch (k) { /* L,R,U,D arrows */
case 'D': k=L_ARROW; break;
case 'C': k=R_ARROW; break;
case 'A': k=U_ARROW; break;
case 'B': k=D_ARROW; break;
default: k='?';
}
break;
case '\217': /* ss3 */
iret=term_raw_key(&k, ESC_TMO);
if (iret!=STDIN_FILENO) {
esc_key=k;
*key='\0';
return(iret);
}
if (k=='M') { /* enter */
k=RET_CHAR;
} else if (k >= 'l' && k <= 'y') {
k=k-64;
} else {
k='?';
}
break;
case '\177': /* del */
case '\b': /* bs */
k=DEL_CHAR;
break;
case '\r': /* cr */
case '\n': /* lf */
k=RET_CHAR;
break;
case EVT_CHAR: /* time out*/
break;
default:
if (k<' ' || k>'\176') k='?';
}
*key=k;
esc_key='\0';
return (STDIN_FILENO);
}
static char *history[HISTORY_LINES]={NULL};
/* history array: it's a cyclic buffer, when it is full, the oldest values
are overwritten.
*/
static int hist_pos=0; /* position when scrolling through the history */
static int hist_end=0; /* end of history. Always history[hist_end]==NULL */
int term_get_line(char *buf, int size, int *pos, char *prompt, fd_set *mask) {
char key;
int i,j,l,iret;
char tmp[512];
buf[size-1]='\0'; /* make sure buf is null terminated */
l=strlen(buf);
if (*pos>l) {
*pos=l;
} else if (*pos<0) {
*pos=0;
}
iret=term_get_key(&key, 0);
while (1) {
if (iret==-1 || key == RET_CHAR || key==EVT_CHAR) { /* refresh after a short timeout */
assert(l*2+20+strlen(prompt)<sizeof(tmp));
tmp[0]='\r';
tmp[1]='\0';
strcat(tmp, prompt);
strcat(tmp, buf);
strcat(tmp,"\033[K");
j=strlen(tmp);
for (i=l; i>*pos; i--) {
tmp[j]='\b'; j++;
}
tmp[j]='\0';
fputs(tmp, stdout);
if (iret==-1) {
iret=term_get_key(&key, -1); /* no timeout */
}
}
switch (key) {
case EVT_CHAR:
fputs("\r\033[K", stdout);
return(iret);
/* interrupted EXIT */
case RET_CHAR:
/* fputs("\r\033[K", stdout); */
i=hist_end-1; if (i<0) i=HISTORY_LINES-1;
if ((history[i]==NULL || 0!=strcmp(history[i], buf)) && buf[0]!='\0') { /* do not save equal and empty lines */
history[hist_end]=malloc(strlen(buf)+1);
strncpy(history[hist_end], buf, size);
hist_end++; if (hist_end>=HISTORY_LINES) hist_end=0;
if (history[hist_end]!=NULL) free(history[hist_end]); /* clear line at end of history */
history[hist_end]==NULL;
}
hist_pos=hist_end;
return(STDIN_FILENO);
/* normal EXIT */
case DEL_CHAR:
if (*pos>0) {
for (i=*pos; buf[i]!='\0'; i++) {
buf[i-1] = buf [i];
}
buf[i-1]='\0';
(*pos)--;
l--;
}
break;
case L_ARROW:
if (*pos>0) (*pos)--;
break;
case R_ARROW:
if (buf[*pos]!='\0') (*pos)++;
break;
case U_ARROW:
case D_ARROW:
if (key==U_ARROW) {
i=hist_pos-1; if (i<0) i=HISTORY_LINES-1;
} else {
i=hist_pos+1; if (i>=HISTORY_LINES) i=0;
}
if (history[i]!=NULL) {
strncpy(buf, history[i], size-1);
buf[size-1]='\0';
hist_pos=i;
l=strlen(buf);
*pos=l;
}
break;
default:
if (l<size-1) {
for (i=l; i>*pos; i--) {
buf[i]=buf[i-1];
}
(*pos)++; l++;
buf[i]=key;
buf[l]='\0';
}
break;
}
iret=term_get_key(&key, REF_TMO);
}
}

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#ifndef TERM_H_
#define TERM_H_
void term_reg_socket(int fd);
/* register socket */
void term_unr_socket(int fd);
/* unregister socket */
int term_raw_key(char *key, int msecTmo);
int term_wait_fd(int fd, int msecTmo);
/* wait for a read event on fd or timeout */
int term_get_key(char *key, int msecTmo);
int term_get_line(char *buf, int size, int *pos, char *prompt, fd_set *mask);
#endif /* TERM_H_ */