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/* Copyright (C) 1998-99 Martin Baulig
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This file is part of LibGTop 1.0.
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Contributed by Martin Baulig <martin@home-of-linux.org>, April 1998.
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LibGTop is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License,
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or (at your option) any later version.
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LibGTop is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with LibGTop; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA.
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*/
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#include <config.h>
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#include "daemon.h"
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#ifdef LIBGTOP_ENABLE_DEBUG
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#ifndef PARENT_DEBUG
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#define PARENT_DEBUG 1
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#endif
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#endif
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void
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handle_parent_connection (int s)
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{
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glibtop *server = glibtop_global_server;
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glibtop_response _resp, *resp = &_resp;
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glibtop_command _cmnd, *cmnd = &_cmnd;
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glibtop_mountentry *mount_list;
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char parameter [BUFSIZ];
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unsigned short device;
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gint64 *param_ptr;
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int all_fs;
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pid_t pid;
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void *ptr;
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glibtop_send_version (glibtop_global_server, s);
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if (verbose_output)
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syslog_message (LOG_INFO, "Parent features = %lu",
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glibtop_server_features);
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if (enable_debug)
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syslog_message (LOG_DEBUG, "SIZEOF: %u - %u - %u - %u - %u - %u",
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sizeof (glibtop_command), sizeof (glibtop_response),
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sizeof (glibtop_mountentry), sizeof (glibtop_union),
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sizeof (glibtop_sysdeps),
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sizeof (glibtop_response_union));
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while (do_read (s, cmnd, sizeof (glibtop_command))) {
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if (enable_debug)
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syslog_message (LOG_DEBUG,
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"Parent (%d) received command %llu from client.",
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getpid (), cmnd->command);
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if (cmnd->data_size >= BUFSIZ) {
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syslog_message (LOG_WARNING,
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"Client sent %llu bytes, but buffer is %lu",
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cmnd->data_size, (unsigned long)BUFSIZ);
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return;
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}
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memset (resp, 0, sizeof (glibtop_response));
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memset (parameter, 0, sizeof (parameter));
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if (cmnd->data_size) {
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if (enable_debug)
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syslog_message (LOG_DEBUG, "Client has %llu bytes of data.",
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cmnd->data_size);
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do_read (s, parameter, cmnd->data_size);
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} else if (cmnd->size) {
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memcpy (parameter, cmnd->parameter, cmnd->size);
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}
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switch (cmnd->command) {
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case GLIBTOP_CMND_QUIT:
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do_output (s, resp, 0, 0, NULL);
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return;
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case GLIBTOP_CMND_SYSDEPS:
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memcpy (&resp->u.sysdeps, &server->sysdeps,
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sizeof (glibtop_sysdeps));
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resp->u.sysdeps.features = GLIBTOP_SYSDEPS_ALL;
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do_output (s, resp, _offset_union (sysdeps), 0, NULL);
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break;
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case GLIBTOP_CMND_CPU:
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glibtop_get_cpu_l (server, &resp->u.data.cpu);
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do_output (s, resp, _offset_data (cpu), 0, NULL);
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break;
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case GLIBTOP_CMND_MEM:
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glibtop_get_mem_l (server, &resp->u.data.mem);
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do_output (s, resp, _offset_data (mem), 0, NULL);
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break;
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case GLIBTOP_CMND_SWAP:
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glibtop_get_swap_l (server, &resp->u.data.swap);
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do_output (s, resp, _offset_data (swap), 0, NULL);
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break;
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case GLIBTOP_CMND_UPTIME:
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glibtop_get_uptime_l (server, &resp->u.data.uptime);
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do_output (s, resp, _offset_data (uptime), 0, NULL);
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break;
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case GLIBTOP_CMND_LOADAVG:
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glibtop_get_loadavg_l (server, &resp->u.data.loadavg);
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do_output (s, resp, _offset_data (loadavg), 0, NULL);
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break;
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case GLIBTOP_CMND_SHM_LIMITS:
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glibtop_get_shm_limits_l
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(server, &resp->u.data.shm_limits);
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do_output (s, resp, _offset_data (shm_limits), 0, NULL);
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break;
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case GLIBTOP_CMND_MSG_LIMITS:
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glibtop_get_msg_limits_l
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(server, &resp->u.data.msg_limits);
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do_output (s, resp, _offset_data (msg_limits), 0, NULL);
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break;
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case GLIBTOP_CMND_SEM_LIMITS:
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glibtop_get_sem_limits_l
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(server, &resp->u.data.sem_limits);
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do_output (s, resp, _offset_data (sem_limits), 0, NULL);
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break;
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case GLIBTOP_CMND_PROCLIST:
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param_ptr = (gint64 *) parameter;
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ptr = glibtop_get_proclist_l (server,
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&resp->u.data.proclist,
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param_ptr [0],
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param_ptr [1]);
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do_output (s, resp, _offset_data (proclist),
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resp->u.data.proclist.total, ptr);
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g_free (ptr);
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break;
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case GLIBTOP_CMND_PROC_MAP:
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memcpy (&pid, parameter, sizeof (pid_t));
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ptr = glibtop_get_proc_map_l (server,
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&resp->u.data.proc_map,
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pid);
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do_output (s, resp, _offset_data (proc_map),
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resp->u.data.proc_map.total, ptr);
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g_free (ptr);
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break;
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case GLIBTOP_CMND_PROC_WD:
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/* FIXME */
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break;
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case GLIBTOP_CMND_NETLIST:
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/* FIXME */
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break;
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case GLIBTOP_CMND_PROC_ARGS:
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memcpy (&pid, parameter, sizeof (pid_t));
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ptr = glibtop_get_proc_args_l (server,
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&resp->u.data.proc_args,
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pid, 0);
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do_output (s, resp, _offset_data (proc_args),
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ptr ? resp->u.data.proc_args.size+1 : 0, ptr);
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g_free (ptr);
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break;
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case GLIBTOP_CMND_PROC_STATE:
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memcpy (&pid, parameter, sizeof (pid_t));
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glibtop_get_proc_state_l
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(server, &resp->u.data.proc_state, pid);
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do_output (s, resp, _offset_data (proc_state), 0, NULL);
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break;
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case GLIBTOP_CMND_PROC_UID:
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memcpy (&pid, parameter, sizeof (pid_t));
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glibtop_get_proc_uid_l
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(server, &resp->u.data.proc_uid, pid);
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do_output (s, resp, _offset_data (proc_uid), 0, NULL);
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break;
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case GLIBTOP_CMND_PROC_MEM:
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memcpy (&pid, parameter, sizeof (pid_t));
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glibtop_get_proc_mem_l
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(server, &resp->u.data.proc_mem, pid);
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do_output (s, resp, _offset_data (proc_mem), 0, NULL);
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break;
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case GLIBTOP_CMND_PROC_TIME:
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memcpy (&pid, parameter, sizeof (pid_t));
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glibtop_get_proc_time_l
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(server, &resp->u.data.proc_time, pid);
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do_output (s, resp, _offset_data (proc_time), 0, NULL);
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break;
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case GLIBTOP_CMND_PROC_SIGNAL:
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memcpy (&pid, parameter, sizeof (pid_t));
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glibtop_get_proc_signal_l
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(server, &resp->u.data.proc_signal, pid);
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do_output (s, resp, _offset_data (proc_signal), 0, NULL);
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break;
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case GLIBTOP_CMND_PROC_KERNEL:
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memcpy (&pid, parameter, sizeof (pid_t));
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glibtop_get_proc_kernel_l
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(server, &resp->u.data.proc_kernel, pid);
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do_output (s, resp, _offset_data (proc_kernel), 0, NULL);
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break;
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case GLIBTOP_CMND_PROC_SEGMENT:
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memcpy (&pid, parameter, sizeof (pid_t));
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glibtop_get_proc_segment_l
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(server, &resp->u.data.proc_segment, pid);
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do_output (s, resp, _offset_data (proc_segment), 0, NULL);
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break;
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case GLIBTOP_CMND_MOUNTLIST:
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memcpy (&all_fs, parameter, sizeof (all_fs));
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mount_list = glibtop_get_mountlist_l
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(server, &resp->u.data.mountlist, all_fs);
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do_output (s, resp, _offset_data (mountlist),
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resp->u.data.mountlist.total, mount_list);
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g_free (mount_list);
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break;
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case GLIBTOP_CMND_FSUSAGE:
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glibtop_get_fsusage_l
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(server, &resp->u.data.fsusage, parameter);
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do_output (s, resp, _offset_data (fsusage),
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0, NULL);
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break;
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case GLIBTOP_CMND_PROC_IO:
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glibtop_get_proc_io_l
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(server, &resp->u.data.proc_io, parameter);
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do_output (s, resp, _offset_data (proc_io),
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0, NULL);
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break;
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case GLIBTOP_CMND_PPP:
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memcpy (&device, parameter, sizeof (device));
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glibtop_get_ppp_l
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(server, &resp->u.data.ppp, device);
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do_output (s, resp, _offset_data (ppp), 0, NULL);
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break;
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case GLIBTOP_CMND_NETLOAD:
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glibtop_get_netload_l
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(server, &resp->u.data.netload, parameter);
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do_output (s, resp, _offset_data (netload),
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0, NULL);
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break;
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default:
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syslog_message (LOG_ERR, "Parent received unknown command %llu.",
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cmnd->command);
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break;
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}
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}
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}
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