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/*
pconsole WJ101
Copyright (C) 2001 Walter de Jong <walter@heiho.net>
This program 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.
This program 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
*/
/*
Conn.c WJ101
*/
#include "config.h"
#include "Conn.h"
#include "cstring.h"
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
Conn *AllConns = NULL;
Conn *new_Conn(void) {
Conn *c;
if ((c = (Conn *)malloc(sizeof(Conn))) == NULL)
return NULL;
memset(c, 0, sizeof(Conn));
return c;
}
void destroy_Conn(Conn *c) {
if (c == NULL)
return;
if (c->fd > 0)
close(c->fd);
if (c->dev != NULL)
free(c->dev);
if (c->hostname != NULL)
free(c->hostname);
free(c);
}
Conn *prepend_Conn(Conn *c) { return (Conn *)prepend_List(&AllConns, c); }
Conn *add_Conn(Conn *c) { return (Conn *)add_List(&AllConns, c); }
void remove_Conn(Conn *c) { remove_List(&AllConns, c); }
Conn *find_Conn_by_fd(int fd) {
Conn *c;
for(c = AllConns; c != NULL; c = c->next)
if (c->fd == fd)
return c;
return NULL;
}
Conn *find_Conn_by_dev(char *name) {
Conn *c;
if (name == NULL)
return NULL;
for(c = AllConns; c != NULL; c = c->next)
if (c->dev != NULL && !strcmp(c->dev, name))
return c;
return NULL;
}
Conn *find_Conn_by_hostname(char *name) {
Conn *c;
if (name == NULL)
return NULL;
for(c = AllConns; c != NULL; c = c->next)
if (c->hostname != NULL && !strcmp(c->hostname, name))
return c;
return NULL;
}
#ifdef HAVE_ST_RDEV
Conn *find_Conn_by_rdev(dev_t rdev) {
Conn *c;
for(c = AllConns; c != NULL; c = c->next)
if (c->rdev == rdev)
return c;
return NULL;
}
#endif
int write_Conn(Conn *c, void *buf, size_t len) {
ssize_t n;
if (c == NULL) {
/* ignore (not a hard error) */
return 0;
}
if (c->fd <= 0) {
/* ignore (not a hard error) */
return 0;
}
while (len > 0) {
n = write(c->fd, buf, len);
if (n == -1) {
/* write() error (silent) */
return -1;
}
len -= n;
buf += n;
}
return 0;
}
/* EOB */
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