int interactive_shell(void)
{
adb_thread_t thr;
int fdi, fd;
int *fds;
fd = adb_connect("shell:");
if(fd < 0) {
fprintf(stderr,"error: %s\n", adb_error());
return 1;
}
fdi = 0; //dup(0);
fds = malloc(sizeof(int) * 2);
fds[0] = fd;
fds[1] = fdi;
#ifdef HAVE_TERMIO_H
stdin_raw_init(fdi);
#endif
adb_thread_create(&thr, stdin_read_thread, fds);
read_and_dump(fd);
#ifdef HAVE_TERMIO_H
stdin_raw_restore(fdi);
#endif
return 0;
}
static void *stdin_read_thread(void *x)
{
int fd, fdi;
unsigned char buf[1024];
int r, n;
int state = 0;
int *fds = (int*) x;
fd = fds[0];
fdi = fds[1];
free(fds);
for(;;) {
/* fdi is really the client's stdin, so use read, not adb_read here */
D("stdin_read_thread(): pre unix_read(fdi=%d,...)\n", fdi);
r = unix_read(fdi, buf, 1024);
D("stdin_read_thread(): post unix_read(fdi=%d,...)\n", fdi);
if(r == 0) break;
if(r < 0) {
if(errno == EINTR) continue;
break;
}
for(n = 0; n < r; n++){
switch(buf[n]) {
case '\n':
state = 1;
break;
case '\r':
state = 1;
break;
case '~':
if(state == 1) state++;
break;
case '.':
if(state == 2) {
fprintf(stderr,"\n* disconnect *\n");
#ifdef HAVE_TERMIO_H
stdin_raw_restore(fdi);
#endif
exit(0);
}
default:
state = 0;
}
}
r = adb_write(fd, buf, r);
if(r <= 0) {
break;
}
}
return 0;
}
static void *stdin_read_thread(void *x)
{
int fd, fdi;
unsigned char buf[1024];
#ifdef SH_HISTORY
unsigned char realbuf[1024], *buf_ptr;
SHLIST history;
SHLIST *item = &history;
int cmdlen = 0, ins_flag = 0;
#endif
int r, n;
int state = 0;
int *fds = (int*) x;
fd = fds[0];
fdi = fds[1];
free(fds);
#ifdef SH_HISTORY
shListInitList( &history );
#endif
for(;;) {
/* fdi is really the client's stdin, so use read, not adb_read here */
r = unix_read(fdi, buf, 1024);
if(r == 0) break;
if(r < 0) {
if(errno == EINTR) continue;
break;
}
#ifdef SH_HISTORY
if( (r == 3) && /* Arrow processing */
(memcmp( (void *)buf, SH_ARROW_ANY, 2 ) == 0) ) {
switch( buf[2] ) {
case SH_ARROW_UP:
item = shListGetNextItem( &history, item );
break;
case SH_ARROW_DOWN:
item = shListGetPrevItem( &history, item );
break;
default:
item = NULL;
break;
}
memset( buf, SH_DEL_CHAR, cmdlen );
if( item != NULL ) {
n = snprintf( (char *)(&buf[cmdlen]), sizeof buf - cmdlen, "%s", (char *)(item->data) );
memcpy( realbuf, item->data, n );
}
else { /* Clean buffer */
item = &history;
n = 0;
}
r = n + cmdlen;
cmdlen = n;
ins_flag = 0;
if( r == 0 )
continue;
}
else {
#endif
for(n = 0; n < r; n++){
switch(buf[n]) {
case '\n':
#ifdef SH_HISTORY
if( ins_flag && (SH_BLANK_CHAR <= realbuf[0]) ) {
buf_ptr = malloc(cmdlen + 1);
if( buf_ptr != NULL ) {
memcpy( buf_ptr, realbuf, cmdlen );
buf_ptr[cmdlen] = '\0';
if( (item = shListFindItem( &history, (void *)buf_ptr, shItemCmp )) == NULL ) {
shListInsFirstItem( &history, (void *)buf_ptr );
item = &history;
}
}
}
cmdlen = 0;
ins_flag = 0;
#endif
state = 1;
break;
case '\r':
state = 1;
break;
case '~':
if(state == 1) state++;
break;
case '.':
if(state == 2) {
fprintf(stderr,"\n* disconnect *\n");
#ifdef HAVE_TERMIO_H
stdin_raw_restore(fdi);
#endif
exit(0);
}
default:
#ifdef SH_HISTORY
if( buf[n] == SH_DEL_CHAR ) {
if( cmdlen > 0 )
cmdlen--;
}
else {
realbuf[cmdlen] = buf[n];
cmdlen++;
}
ins_flag = 1;
#endif
state = 0;
}
}
#ifdef SH_HISTORY
}
#endif
r = adb_write(fd, buf, r);
if(r <= 0) {
break;
}
}
#ifdef SH_HISTORY
shListDelAllItems( &history, (shListFree)free );
#endif
return 0;
}
