/*
* text_to_process: sends the given text to the given process. If the given
* process index is not valid, an error is reported and 1 is returned.
* Otherwise 0 is returned.
* Added show, to remove some bad recursion, phone, april 1993
*/
int text_to_process (int proc_index, const char *text, int show)
{
Process * proc;
char * my_buffer;
size_t size;
if (valid_process_index(proc_index) == 0)
return 1;
proc = process_list[proc_index];
message_to(proc->refnum);
if (show)
put_it("%s%s", get_prompt_by_refnum(proc->refnum), text);
message_to(-1);
size = strlen(text) + 2;
my_buffer = alloca(size);
snprintf(my_buffer, size, "%s\n", text);
write(proc->p_stdin, my_buffer, strlen(my_buffer));
set_prompt_by_refnum(proc->refnum, empty_string);
return (0);
}
/*
* do_processes: given a set of read-descriptors (as returned by a call to
* select()), this will determine which of the process has produced output
* and will hadle it appropriately
*/
void do_processes(fd_set * rd)
{
int i, flag;
char exec_buffer[INPUT_BUFFER_SIZE + 1];
char *ptr;
Process *proc;
int old_timeout;
if (process_list == NULL)
return;
old_timeout = dgets_timeout(1);
for (i = 0; i < process_list_size; i++) {
if ((proc = process_list[i]) && proc->p_stdout != -1) {
if (FD_ISSET(proc->p_stdout, rd)) {
/*
* This switch case indented back to allow for 80 columns,
* phone, jan 1993.
*/
switch (dgets(exec_buffer, INPUT_BUFFER_SIZE, proc->p_stdout, NULL)) {
case 0:
if (proc->p_stderr == -1) {
proc->p_stdin = exec_close(proc->p_stdin);
proc->p_stdout = exec_close(proc->p_stdout);
if (proc->exited)
delete_process(i);
} else
proc->p_stdout = exec_close(proc->p_stdout);
break;
case -1:
if (proc->logical)
flag = do_hook(EXEC_PROMPT_LIST, "%s %s", proc->logical, exec_buffer);
else
flag = do_hook(EXEC_PROMPT_LIST, "%d %s", i, exec_buffer);
set_prompt_by_refnum(proc->refnum, exec_buffer);
update_input(UPDATE_ALL);
/* if (flag == 0) */
break;
default:
message_to(proc->refnum);
proc->counter++;
ptr = exec_buffer + strlen(exec_buffer) - 1;
if ((*ptr == '\n') || (*ptr == '\r')) {
*ptr = (char) 0;
ptr = exec_buffer + strlen(exec_buffer) - 1;
if ((*ptr == '\n') || (*ptr == '\r'))
*ptr = (char) 0;
}
if (proc->logical)
flag = do_hook(EXEC_LIST, "%s %s", proc->logical, exec_buffer);
else
flag = do_hook(EXEC_LIST, "%d %s", i, exec_buffer);
if (flag) {
if (proc->redirect) {
int server;
server = from_server;
from_server = proc->server;
send_text(proc->who, stripansicodes(exec_buffer), proc->redirect, 1, 1);
from_server = server;
} else
put_it("%s", stripansicodes(exec_buffer));
}
message_to(0);
break;
}
/* end of special intendation */
}
}
if (process_list && i < process_list_size && (proc = process_list[i]) && proc->p_stderr != -1) {
if (FD_ISSET(proc->p_stderr, rd)) {
/* Do the intendation on this switch as well */
switch (dgets(exec_buffer, INPUT_BUFFER_SIZE, proc->p_stderr, NULL)) {
case 0:
if (proc->p_stdout == -1) {
proc->p_stderr = exec_close(proc->p_stderr);
proc->p_stdin = exec_close(proc->p_stdin);
if (proc->exited)
delete_process(i);
} else
proc->p_stderr = exec_close(proc->p_stderr);
break;
case -1:
if (proc->logical)
flag = do_hook(EXEC_PROMPT_LIST, "%s %s", proc->logical, exec_buffer);
else
flag = do_hook(EXEC_PROMPT_LIST, "%d %s", i, exec_buffer);
set_prompt_by_refnum(proc->refnum, exec_buffer);
update_input(UPDATE_ALL);
if (flag == 0)
break;
default:
message_to(proc->refnum);
(proc->counter)++;
ptr = exec_buffer + strlen(exec_buffer) - 1;
if ((*ptr == '\n') || (*ptr == '\r')) {
*ptr = (char) 0;
ptr = exec_buffer + strlen(exec_buffer) - 1;
if ((*ptr == '\n') || (*ptr == '\r'))
*ptr = (char) 0;
}
if (proc->logical)
flag = do_hook(EXEC_ERRORS_LIST, "%s %s", proc->logical, exec_buffer);
else
flag = do_hook(EXEC_ERRORS_LIST, "%d %s", i, exec_buffer);
if (flag) {
if (proc->redirect) {
int server;
server = from_server;
from_server = proc->server;
send_text(proc->who, stripansicodes(exec_buffer), process_list[i]->redirect, 1, 1);
from_server = server;
} else
put_it("%s", stripansicodes(exec_buffer));
}
message_to(0);
break;
}
/* End of indentation for 80 columns */
}
}
}
check_process_limits();
(void) dgets_timeout(old_timeout);
}
/*
* This is the back end to do_processes, saves some repeated code
*/
static void handle_filedesc (Process *proc, int *fd, int hook_nonl, int hook_nl)
{
char exec_buffer[IO_BUFFER_SIZE + 1];
ssize_t len;
switch ((len = dgets(*fd, exec_buffer, IO_BUFFER_SIZE, 0, NULL))) /* No buffering! */
{
case -1: /* Something died */
{
*fd = new_close(*fd);
if (proc->p_stdout == -1 && proc->p_stderr == -1)
proc->dumb = 1;
break;
}
case 0: /* We didnt get a full line */
{
/*
* XXX XXX Major, world class hack here XXX XXX
* Since this problem has been addressed already
* by newio2.c, it doesn't matter if we just fix the
* symptom here since this code is all obsolete.
*/
if (exec_buffer[0] == '\n')
{
exec_buffer[0] = 0;
goto this_sucks;
}
if (hook_nl == EXEC_LIST && proc->stdoutpc && *proc->stdoutpc)
parse_line("EXEC", proc->stdoutpc,
exec_buffer, 0, 0);
else if (hook_nl == EXEC_ERRORS_LIST && proc->stderrpc && *proc->stderrpc)
parse_line("EXEC", proc->stderrpc,
exec_buffer, 0, 0);
else if (proc->logical)
do_hook(hook_nonl, "%s %s",
proc->logical, exec_buffer);
else
do_hook(hook_nonl, "%d %s",
proc->index, exec_buffer);
set_prompt_by_refnum(proc->refnum, exec_buffer);
break;
}
default: /* We got a full line */
this_sucks:
{
int ofs;
ofs = from_server;
from_server = proc->server;
if (proc->refnum)
message_to(proc->refnum);
proc->counter++;
while (len > 0 && (exec_buffer[len] == '\n' ||
exec_buffer[len] == '\r'))
{
exec_buffer[len--] = 0;
}
if (proc->redirect)
redirect_text(proc->server, proc->who,
exec_buffer, proc->redirect, 1);
if (hook_nl == EXEC_LIST && proc->stdoutc && *proc->stdoutc)
parse_line("EXEC", proc->stdoutc,
exec_buffer, 0, 0);
else if (hook_nl == EXEC_ERRORS_LIST && proc->stderrc && *proc->stderrc)
parse_line("EXEC", proc->stderrc,
exec_buffer, 0, 0);
else if (proc->logical)
{
if ((do_hook(hook_nl, "%s %s",
proc->logical, exec_buffer)))
if (!proc->redirect)
put_it("%s", exec_buffer);
}
else
{
if ((do_hook(hook_nl, "%d %s",
proc->index, exec_buffer)))
if (!proc->redirect)
put_it("%s", exec_buffer);
}
message_to(-1);
from_server = ofs;
}
}
}