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/* Copyright (C) 1998-99 Martin Baulig
This file is part of LibGTop 1.0.
Contributed by Martin Baulig <martin@home-of-linux.org>, April 1998.
LibGTop 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.
LibGTop 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 LibGTop; see the file COPYING. If not, write to the
Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include <config.h>
#include "daemon.h"
#ifdef LIBGTOP_ENABLE_DEBUG
#ifndef PARENT_DEBUG
#define PARENT_DEBUG 1
#endif
#endif
void
handle_parent_connection (int s)
{
glibtop *server = glibtop_global_server;
glibtop_response _resp, *resp = &_resp;
glibtop_command _cmnd, *cmnd = &_cmnd;
glibtop_mountentry *mount_list;
char parameter [BUFSIZ];
unsigned short device;
gint64 *param_ptr;
int all_fs;
pid_t pid;
void *ptr;
glibtop_send_version (glibtop_global_server, s);
if (verbose_output)
syslog_message (LOG_INFO, "Parent features = %lu",
glibtop_server_features);
if (enable_debug)
syslog_message (LOG_DEBUG, "SIZEOF: %u - %u - %u - %u - %u - %u",
sizeof (glibtop_command), sizeof (glibtop_response),
sizeof (glibtop_mountentry), sizeof (glibtop_union),
sizeof (glibtop_sysdeps),
sizeof (glibtop_response_union));
while (do_read (s, cmnd, sizeof (glibtop_command))) {
if (enable_debug)
syslog_message (LOG_DEBUG,
"Parent (%d) received command %llu from client.",
getpid (), cmnd->command);
if (cmnd->data_size >= BUFSIZ) {
syslog_message (LOG_WARNING,
"Client sent %llu bytes, but buffer is %lu",
cmnd->data_size, (unsigned long)BUFSIZ);
return;
}
memset (resp, 0, sizeof (glibtop_response));
memset (parameter, 0, sizeof (parameter));
if (cmnd->data_size) {
if (enable_debug)
syslog_message (LOG_DEBUG, "Client has %llu bytes of data.",
cmnd->data_size);
do_read (s, parameter, cmnd->data_size);
} else if (cmnd->size) {
memcpy (parameter, cmnd->parameter, cmnd->size);
}
switch (cmnd->command) {
case GLIBTOP_CMND_QUIT:
do_output (s, resp, 0, 0, NULL);
return;
case GLIBTOP_CMND_SYSDEPS:
memcpy (&resp->u.sysdeps, &server->sysdeps,
sizeof (glibtop_sysdeps));
resp->u.sysdeps.features = GLIBTOP_SYSDEPS_ALL;
do_output (s, resp, _offset_union (sysdeps), 0, NULL);
break;
case GLIBTOP_CMND_CPU:
glibtop_get_cpu_l (server, &resp->u.data.cpu);
do_output (s, resp, _offset_data (cpu), 0, NULL);
break;
case GLIBTOP_CMND_DISK:
glibtop_get_disk_l (server, &resp->u.disk.cpu);
do_output (s, resp, _offset_data (disk), 0, NULL);
break;
case GLIBTOP_CMND_MEM:
glibtop_get_mem_l (server, &resp->u.data.mem);
do_output (s, resp, _offset_data (mem), 0, NULL);
break;
case GLIBTOP_CMND_SWAP:
glibtop_get_swap_l (server, &resp->u.data.swap);
do_output (s, resp, _offset_data (swap), 0, NULL);
break;
case GLIBTOP_CMND_UPTIME:
glibtop_get_uptime_l (server, &resp->u.data.uptime);
do_output (s, resp, _offset_data (uptime), 0, NULL);
break;
case GLIBTOP_CMND_LOADAVG:
glibtop_get_loadavg_l (server, &resp->u.data.loadavg);
do_output (s, resp, _offset_data (loadavg), 0, NULL);
break;
case GLIBTOP_CMND_SHM_LIMITS:
glibtop_get_shm_limits_l
(server, &resp->u.data.shm_limits);
do_output (s, resp, _offset_data (shm_limits), 0, NULL);
break;
case GLIBTOP_CMND_MSG_LIMITS:
glibtop_get_msg_limits_l
(server, &resp->u.data.msg_limits);
do_output (s, resp, _offset_data (msg_limits), 0, NULL);
break;
case GLIBTOP_CMND_SEM_LIMITS:
glibtop_get_sem_limits_l
(server, &resp->u.data.sem_limits);
do_output (s, resp, _offset_data (sem_limits), 0, NULL);
break;
case GLIBTOP_CMND_PROCLIST:
param_ptr = (gint64 *) parameter;
ptr = glibtop_get_proclist_l (server,
&resp->u.data.proclist,
param_ptr [0],
param_ptr [1]);
do_output (s, resp, _offset_data (proclist),
resp->u.data.proclist.total, ptr);
g_free (ptr);
break;
case GLIBTOP_CMND_PROC_MAP:
memcpy (&pid, parameter, sizeof (pid_t));
ptr = glibtop_get_proc_map_l (server,
&resp->u.data.proc_map,
pid);
do_output (s, resp, _offset_data (proc_map),
resp->u.data.proc_map.total, ptr);
g_free (ptr);
break;
case GLIBTOP_CMND_PROC_WD:
/* FIXME */
break;
case GLIBTOP_CMND_NETLIST:
/* FIXME */
break;
case GLIBTOP_CMND_PROC_ARGS:
memcpy (&pid, parameter, sizeof (pid_t));
ptr = glibtop_get_proc_args_l (server,
&resp->u.data.proc_args,
pid, 0);
do_output (s, resp, _offset_data (proc_args),
ptr ? resp->u.data.proc_args.size+1 : 0, ptr);
g_free (ptr);
break;
case GLIBTOP_CMND_PROC_STATE:
memcpy (&pid, parameter, sizeof (pid_t));
glibtop_get_proc_state_l
(server, &resp->u.data.proc_state, pid);
do_output (s, resp, _offset_data (proc_state), 0, NULL);
break;
case GLIBTOP_CMND_PROC_UID:
memcpy (&pid, parameter, sizeof (pid_t));
glibtop_get_proc_uid_l
(server, &resp->u.data.proc_uid, pid);
do_output (s, resp, _offset_data (proc_uid), 0, NULL);
break;
case GLIBTOP_CMND_PROC_MEM:
memcpy (&pid, parameter, sizeof (pid_t));
glibtop_get_proc_mem_l
(server, &resp->u.data.proc_mem, pid);
do_output (s, resp, _offset_data (proc_mem), 0, NULL);
break;
case GLIBTOP_CMND_PROC_TIME:
memcpy (&pid, parameter, sizeof (pid_t));
glibtop_get_proc_time_l
(server, &resp->u.data.proc_time, pid);
do_output (s, resp, _offset_data (proc_time), 0, NULL);
break;
case GLIBTOP_CMND_PROC_SIGNAL:
memcpy (&pid, parameter, sizeof (pid_t));
glibtop_get_proc_signal_l
(server, &resp->u.data.proc_signal, pid);
do_output (s, resp, _offset_data (proc_signal), 0, NULL);
break;
case GLIBTOP_CMND_PROC_KERNEL:
memcpy (&pid, parameter, sizeof (pid_t));
glibtop_get_proc_kernel_l
(server, &resp->u.data.proc_kernel, pid);
do_output (s, resp, _offset_data (proc_kernel), 0, NULL);
break;
case GLIBTOP_CMND_PROC_SEGMENT:
memcpy (&pid, parameter, sizeof (pid_t));
glibtop_get_proc_segment_l
(server, &resp->u.data.proc_segment, pid);
do_output (s, resp, _offset_data (proc_segment), 0, NULL);
break;
case GLIBTOP_CMND_MOUNTLIST:
memcpy (&all_fs, parameter, sizeof (all_fs));
mount_list = glibtop_get_mountlist_l
(server, &resp->u.data.mountlist, all_fs);
do_output (s, resp, _offset_data (mountlist),
resp->u.data.mountlist.total, mount_list);
g_free (mount_list);
break;
case GLIBTOP_CMND_FSUSAGE:
glibtop_get_fsusage_l
(server, &resp->u.data.fsusage, parameter);
do_output (s, resp, _offset_data (fsusage),
0, NULL);
break;
case GLIBTOP_CMND_PROC_IO:
glibtop_get_proc_io_l
(server, &resp->u.data.proc_io, parameter);
do_output (s, resp, _offset_data (proc_io),
0, NULL);
break;
case GLIBTOP_CMND_PPP:
memcpy (&device, parameter, sizeof (device));
glibtop_get_ppp_l
(server, &resp->u.data.ppp, device);
do_output (s, resp, _offset_data (ppp), 0, NULL);
break;
case GLIBTOP_CMND_NETLOAD:
glibtop_get_netload_l
(server, &resp->u.data.netload, parameter);
do_output (s, resp, _offset_data (netload),
0, NULL);
break;
default:
syslog_message (LOG_ERR, "Parent received unknown command %llu.",
cmnd->command);
break;
}
}
}
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