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gkrellm/server/monitor.c

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/* GKrellM
| Copyright (C) 1999-2010 Bill Wilson
|
| Author: Bill Wilson billw@gkrellm.net
| Latest versions might be found at: http://gkrellm.net
|
|
| GKrellM 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 3 of the License, or
| (at your option) any later version.
|
| GKrellM 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, see http://www.gnu.org/licenses/
|
|
| Additional permission under GNU GPL version 3 section 7
|
| If you modify this program, or any covered work, by linking or
| combining it with the OpenSSL project's OpenSSL library (or a
| modified version of that library), containing parts covered by
| the terms of the OpenSSL or SSLeay licenses, you are granted
| additional permission to convey the resulting work.
| Corresponding Source for a non-source form of such a combination
| shall include the source code for the parts of OpenSSL used as well
| as that of the covered work.
*/
#include "gkrellmd.h"
#include "gkrellmd-private.h"
#include <inttypes.h>
GList *gkrellmd_monitor_list;
static GList *serveflag_done_list;
static struct tm gkrellmd_current_tm;
gint
gkrellm_get_timer_ticks(void)
{
return GK.timer_ticks;
}
gboolean
gkrellmd_check_client_version(GkrellmdMonitor *mon,
gint major, gint minor, gint rev)
{
GkrellmdClient *client = mon->privat->client;
if ( client->major_version > major
|| (client->major_version == major && client->minor_version > minor)
|| ( client->major_version == major && client->minor_version == minor
&& client->rev_version >= rev
)
)
return TRUE;
return FALSE;
}
void
gkrellmd_add_serveflag_done(gboolean *flag)
{
serveflag_done_list = g_list_append(serveflag_done_list, flag);
}
void
gkrellmd_set_serve_name(GkrellmdMonitor *mon, const gchar *tag)
{
GkrellmdMonitorPrivate *mp = mon->privat;
mp->serve_name = tag;
mp->serve_name_sent = FALSE;
}
void
gkrellmd_serve_data(GkrellmdMonitor *mon, gchar *line)
{
GkrellmdMonitorPrivate *mp = mon->privat;
gchar buf[128];
if (!line || !*line)
return;
if (!mp->serve_name_sent)
{
if (mp->serve_name)
{
snprintf(buf, sizeof(buf), "<%s>\n", mp->serve_name);
gkrellm_debug(DEBUG_SERVER, "%s", buf);
mp->serve_gstring = g_string_append(mp->serve_gstring, buf);
mp->serve_name_sent = TRUE;
}
else
{
g_warning("gkrellmd: %s forgot to gkrellmd_set_serve_name()\n",
mon->name);
return;
}
}
gkrellm_debug(DEBUG_SERVER,"%s", line);
mp->serve_gstring = g_string_append(mp->serve_gstring, line);
}
/* ======================================================= */
typedef struct
{
gint instance;
gulong user,
nice,
sys,
idle;
}
CpuData;
static gchar *n_cpus_setup;
static gboolean nice_time_unsupported;
static GList *cpu_list;
static GList *instance_list;
void
gkrellm_cpu_set_number_of_cpus(gint n)
{
CpuData *cpu;
GList *list;
gint i;
n_cpus_setup = g_strdup_printf("n_cpus %d\n", n);
for (i = 0; i < n; ++i)
{
cpu = g_new0(CpuData, 1);
cpu_list = g_list_append(cpu_list, cpu);
if (instance_list && (list = g_list_nth(instance_list, i)) != NULL)
cpu->instance = GPOINTER_TO_INT(list->data);
else
cpu->instance = i;
}
}
void
gkrellm_cpu_add_instance(gint instance)
{
instance_list = g_list_append(instance_list, GINT_TO_POINTER(instance));
}
void
gkrellm_cpu_nice_time_unsupported(void)
{
nice_time_unsupported = TRUE;
}
void
gkrellm_cpu_assign_composite_data(gulong user, gulong nice,
gulong sys, gulong idle)
{
return; /* let client gkrellm compute it */
}
void
gkrellm_cpu_assign_data(gint n, gulong user, gulong nice,
gulong sys, gulong idle)
{
CpuData *cpu = NULL;
GList *list;
for (list = cpu_list; list; list = list->next)
{
cpu = (CpuData *) list->data;
if (cpu->instance == n)
break;
}
if (list)
{
cpu->user = user;
cpu->nice = nice;
cpu->sys = sys;
cpu->idle = idle;
}
}
static void
update_cpu(GkrellmdMonitor *mon, gboolean first_update)
{
gkrellm_sys_cpu_read_data();
gkrellmd_need_serve(mon);
}
static void
serve_cpu_data(GkrellmdMonitor *mon, gboolean first_serve)
{
CpuData *cpu;
GList *list;
gchar buf[128];
gkrellmd_set_serve_name(mon, "cpu");
for (list = cpu_list; list; list = list->next)
{
cpu = (CpuData *) list->data;
snprintf(buf, sizeof(buf), "%d %lu %lu %lu %lu\n", cpu->instance,
cpu->user, cpu->nice, cpu->sys, cpu->idle);
gkrellmd_serve_data(mon, buf);
}
}
static void
serve_cpu_setup(GkrellmdMonitor *mon)
{
GkrellmdClient *client = mon->privat->client;
GList *list;
gchar buf[64];
gkrellmd_send_to_client(client, "<cpu_setup>\n");
for (list = instance_list; list; list = list->next)
{
snprintf(buf, sizeof(buf), "cpu_instance %d\n",
GPOINTER_TO_INT(list->data));
gkrellmd_send_to_client(client, buf);
}
gkrellmd_send_to_client(client, n_cpus_setup);
if (nice_time_unsupported)
gkrellmd_send_to_client(client, "nice_time_unsupported\n");
}
static GkrellmdMonitor cpu_monitor =
{
"cpu",
update_cpu,
serve_cpu_data,
serve_cpu_setup
};
static GkrellmdMonitor *
init_cpu_monitor(void)
{
if (gkrellm_sys_cpu_init())
return &cpu_monitor;
return NULL;
}
/* ======================================================= */
struct
{
gboolean changed;
gint n_processes,
n_running,
n_users;
gulong n_forks;
gfloat fload;
}
proc;
void
gkrellm_proc_assign_data(gint n_processes, gint n_running,
gulong n_forks, gfloat load)
{
if ( proc.n_processes != n_processes
|| proc.n_running != n_running
|| proc.n_forks != n_forks
|| proc.fload != load
)
{
proc.n_processes = n_processes;
proc.n_running = n_running;
proc.n_forks = n_forks;
proc.fload = load;
proc.changed = TRUE;
}
}
void
gkrellm_proc_assign_users(gint n_users)
{
if (proc.n_users != n_users)
{
proc.n_users = n_users;
proc.changed = TRUE;
}
}
static void
update_proc(GkrellmdMonitor *mon, gboolean first_update)
{
proc.changed = FALSE;
gkrellm_sys_proc_read_data();
if (first_update || GK.five_second_tick)
gkrellm_sys_proc_read_users();
if (proc.changed)
gkrellmd_need_serve(mon);
}
static void
serve_proc_data(GkrellmdMonitor *mon, gboolean first_serve)
{
gchar buf[128];
gkrellmd_set_serve_name(mon, "proc");
snprintf(buf, sizeof(buf), "%d %d %lu %.2f %d\n",
proc.n_processes, proc.n_running,
proc.n_forks, proc.fload, proc.n_users);
gkrellmd_serve_data(mon, buf);
}
static GkrellmdMonitor proc_monitor =
{
"proc",
update_proc,
serve_proc_data,
NULL
};
static GkrellmdMonitor *
init_proc_monitor(void)
{
if (!gkrellm_sys_proc_init())
return NULL;
serveflag_done_list = g_list_append(serveflag_done_list, &proc.changed);
return &proc_monitor;
}
/* ======================================================= */
typedef struct
{
gchar *name;
gchar *subdisk_parent;
gint order,
subdisk,
changed;
gint device_number,
unit_number;
gboolean virtual;
guint64 rb,
wb;
}
DiskData;
static GList *disk_list;
static gint n_disks;
static gboolean units_are_blocks;
static DiskData *
add_disk(const gchar *name, gint order, gint device_number, gint unit_number)
{
DiskData *disk;
GList *list;
gint i;
disk = g_new0(DiskData, 1);
disk->name = g_strdup(name);
disk->order = order;
disk->subdisk = -1;
disk->device_number = device_number;
disk->unit_number = unit_number;
if (order >= 0)
{
for (i = 0, list = disk_list; list; list = list->next, ++i)
if (disk->order < ((DiskData *) list->data)->order)
break;
disk_list = g_list_insert(disk_list, disk, i);
}
else
disk_list = g_list_append(disk_list, disk);
++n_disks;
return disk;
}
static DiskData *
add_subdisk(gchar *subdisk_name, gchar *disk_name, gint subdisk)
{
DiskData *sdisk = NULL;
#if GLIB_CHECK_VERSION(2,0,0)
DiskData *disk;
GList *list = NULL;
for (list = disk_list; list; list = list->next)
{
disk = (DiskData * ) list->data;
if (!strcmp(disk_name, disk->name))
break;
}
if (!list)
return NULL;
sdisk = g_new0(DiskData, 1);
sdisk->name = g_strdup(subdisk_name);
sdisk->subdisk_parent = g_strdup(disk_name);
sdisk->order = disk->order;
sdisk->subdisk = subdisk;
for (list = list->next; list; list = list->next)
{
disk = (DiskData * ) list->data;
if (disk->subdisk == -1 || disk->subdisk > subdisk)
break;
}
disk_list = g_list_insert_before(disk_list, list, sdisk);
++n_disks;
#endif
return sdisk;
}
static void
disk_assign_data(DiskData *disk, guint64 rb, guint64 wb, gboolean virtual)
{
if (disk)
{
if (disk->rb != rb || disk->wb != wb)
disk->changed = TRUE;
else
disk->changed = FALSE;
disk->rb = rb;
disk->wb = wb;
disk->virtual = virtual;
}
}
void
gkrellm_disk_reset_composite(void)
{
/* Don't handle this. */
}
void
gkrellm_disk_units_are_blocks(void)
{
units_are_blocks = TRUE;
}
void
gkrellm_disk_add_by_name(const gchar *name, const gchar *label)
{
gint order = -1;
if (NULL == name) // Cannot add disk without a name
return;
order = gkrellm_sys_disk_order_from_name(name);
/* FIXME: gkrellmd currently has no support for disk labels. Extend
network-protocol and server to support disks with both name and label. */
add_disk(name, order, 0, 0);
}
void
gkrellm_disk_assign_data_by_device(gint device_number, gint unit_number,
guint64 rb, guint64 wb, gboolean virtual)
{
GList *list;
DiskData *disk = NULL;
gchar *name;
gint order = -1;
for (list = disk_list; list; list = list->next)
{
disk = (DiskData * ) list->data;
if ( disk->device_number == device_number
&& disk->unit_number == unit_number
)
break;
disk = NULL;
}
if (!disk)
{
name = gkrellm_sys_disk_name_from_device(device_number,
unit_number, &order);
if (name)
disk = add_disk(name, order, device_number, unit_number);
}
disk_assign_data(disk, rb, wb, virtual);
}
void
gkrellm_disk_assign_data_nth(gint n, guint64 rb, guint64 wb, gboolean virtual)
{
DiskData *disk;
gchar name[32];
if (n < n_disks)
disk = (DiskData *) g_list_nth_data(disk_list, n);
else
{
snprintf(name, sizeof(name), "%s%c", _("Disk"), 'A' + n);
disk = add_disk(name, n, 0, 0);
}
disk_assign_data(disk, rb, wb, virtual);
}
void
gkrellm_disk_assign_data_by_name(gchar *name,
guint64 rb, guint64 wb, gboolean virtual)
{
GList *list;
DiskData *disk = NULL;
gint order = -1;
for (list = disk_list; list; list = list->next)
{
disk = (DiskData * ) list->data;
if (!strcmp(name, disk->name))
break;
disk = NULL;
}
if (!disk)
{
order = gkrellm_sys_disk_order_from_name(name);
disk = add_disk(name, order, 0, 0);
}
disk_assign_data(disk, rb, wb, virtual);
}
void
gkrellm_disk_subdisk_assign_data_by_name(gchar *subdisk_name, gchar *disk_name,
guint64 rb, guint64 wb)
{
GList *list;
DiskData *disk = NULL;
gchar *s, *endptr;
gint subdisk;
if (!subdisk_name || !disk_name)
return;
for (list = disk_list; list; list = list->next)
{
disk = (DiskData * ) list->data;
if (!strcmp(subdisk_name, disk->name))
break;
disk = NULL;
}
if (!disk)
{
/* A subdisk name is expected to be the disk_name with a number string
| appended. Eg. "hda1" is a subdisk_name of disk_name "hda"
*/
s = subdisk_name + strlen(disk_name);
subdisk = strtol(s, &endptr, 0);
if (!*s || *endptr)
return;
disk = add_subdisk(subdisk_name, disk_name, subdisk);
}
disk_assign_data(disk, rb, wb, FALSE);
}
static void
update_disk(GkrellmdMonitor *mon, gboolean first_update)
{
GList *list;
DiskData *disk = NULL;
gkrellm_sys_disk_read_data();
for (list = disk_list; list; list = list->next)
{
disk = (DiskData * ) list->data;
if (disk->changed)
{
gkrellmd_need_serve(mon);
break;
}
}
}
static void
serve_disk_data(GkrellmdMonitor *mon, gboolean first_serve)
{
DiskData *disk;
GList *list;
gchar *buf = NULL;
gkrellmd_set_serve_name(mon, "disk");
for (list = disk_list; list; list = list->next)
{
disk = (DiskData *) list->data;
if (!disk->changed && !first_serve)
continue;
if (!disk->subdisk_parent)
{
if (gkrellmd_check_client_version(mon, 2, 2, 7) && disk->virtual)
buf = g_strdup_printf("%s virtual %" PRIu64 " %" PRIu64 "\n",
disk->name, disk->rb, disk->wb);
else
buf = g_strdup_printf("%s %" PRIu64 " %" PRIu64 "\n",
disk->name, disk->rb, disk->wb);
}
else if (mon->privat->client->feature_subdisk)
buf = g_strdup_printf("%s %s %" PRIu64 " %" PRIu64 "\n",
disk->name, disk->subdisk_parent, disk->rb, disk->wb);
else
continue;
gkrellmd_serve_data(mon, buf);
g_free(buf);
buf = NULL;
}
}
static void
serve_disk_setup(GkrellmdMonitor *mon)
{
GkrellmdClient *client = mon->privat->client;
if (units_are_blocks)
gkrellmd_send_to_client(client, "<disk_setup>\nunits_are_blocks\n");
if (gkrellmd_check_client_version(mon, 2,1,3))
client->feature_subdisk = TRUE;
}
static GkrellmdMonitor disk_monitor =
{
"disk",
update_disk,
serve_disk_data,
serve_disk_setup
};
static GkrellmdMonitor *
init_disk_monitor(void)
{
if (gkrellm_sys_disk_init())
return &disk_monitor;
return NULL;
}
/* ======================================================= */
#include "../src/inet.h"
typedef struct
{
ActiveTCP tcp;
gboolean alive,
new_connection;
}
InetData;
static GList *inet_list,
*inet_dead_list;
static gboolean inet_unsupported,
inet_new;
void
gkrellm_inet_log_tcp_port_data(gpointer data)
{
GList *list;
InetData *in;
ActiveTCP *tcp, *active_tcp = NULL;
gchar *ap, *aap;
gint slen;
tcp = (ActiveTCP *) data;
for (list = inet_list; list; list = list->next)
{
in = (InetData *) list->data;
active_tcp = &in->tcp;
if (tcp->family == AF_INET)
{
ap = (char *)&tcp->remote_addr;
aap = (char *)&active_tcp->remote_addr;
slen = sizeof(struct in_addr);
}
#if defined(INET6)
else if (tcp->family == AF_INET6)
{
ap = (char *)&tcp->remote_addr6;
aap = (char *)&active_tcp->remote_addr6;
slen = sizeof(struct in6_addr);
}
#endif
else
return;
if ( memcmp(aap, ap, slen) == 0
&& active_tcp->remote_port == tcp->remote_port
&& active_tcp->local_port == tcp->local_port
)
{
in->alive = TRUE; /* Old alive connection still alive */
return;
}
}
inet_new = TRUE;
in = g_new0(InetData, 1);
in->tcp = *tcp;
in->alive = TRUE;
in->new_connection = TRUE;
inet_list = g_list_append(inet_list, in);
}
static void
update_inet(GkrellmdMonitor *mon, gboolean first_update)
{
GList *list;
InetData *in;
static gint check_tcp;
if (!first_update && !GK.second_tick)
return;
if (first_update || check_tcp == 0)
{
gkrellm_free_glist_and_data(&inet_dead_list);
inet_new = FALSE;
for (list = inet_list; list; list = list->next)
{
in = (InetData *) list->data;
in->alive = FALSE;
in->new_connection = FALSE;
}
gkrellm_sys_inet_read_tcp_data();
for (list = inet_list; list; )
{
in = (InetData *) list->data;
if (!in->alive)
{
if (list == inet_list)
inet_list = inet_list->next;
list = g_list_remove(list, in);
inet_dead_list = g_list_append(inet_dead_list, in);
}
else
list = list->next;
}
if (inet_new || inet_dead_list)
gkrellmd_need_serve(mon);
}
check_tcp = (check_tcp + 1) % _GK.inet_interval;
}
static void
serve_inet_data(GkrellmdMonitor *mon, gboolean first_serve)
{
InetData *in;
ActiveTCP *tcp;
GList *list;
gchar buf[128], *cp;
#if defined(INET6) && defined(HAVE_GETADDRINFO)
struct sockaddr_in6 sin6;
char addrbuf[NI_MAXHOST];
#endif
if (inet_new || first_serve)
{
gkrellmd_set_serve_name(mon, "inet");
for (list = inet_list; list; list = list->next)
{
in = (InetData *) list->data;
tcp = &in->tcp;
if ( tcp->family == AF_INET
&& (in->new_connection || first_serve)
)
{
cp = inet_ntoa(tcp->remote_addr);
snprintf(buf, sizeof(buf), "+0 %x %s:%x\n",
tcp->local_port, cp, tcp->remote_port);
}
#if defined(INET6) && defined(HAVE_GETADDRINFO)
else if (tcp->family == AF_INET6
&& (in->new_connection || first_serve))
{
memset(&sin6, 0, sizeof(sin6));
memcpy(&sin6.sin6_addr, &tcp->remote_addr6,
sizeof(struct in6_addr));
sin6.sin6_family = AF_INET6;
#ifdef SIN6_LEN
sin6.sin6_len = sizeof(struct sockaddr_in6);
#endif
if (getnameinfo((struct sockaddr *)&sin6,
sizeof(struct sockaddr_in6),
addrbuf, sizeof(addrbuf),
NULL, 0,
NI_NUMERICHOST|NI_WITHSCOPEID)
!= 0)
continue;
snprintf(buf, sizeof(buf), "+6 %x [%s]:%x\n",
tcp->local_port, addrbuf,
tcp->remote_port);
}
#endif
else
continue;
gkrellmd_serve_data(mon, buf);
}
}
if (!first_serve)
{
gkrellmd_set_serve_name(mon, "inet");
for (list = inet_dead_list; list; list = list->next)
{
in = (InetData *) list->data;
tcp = &in->tcp;
if (tcp->family == AF_INET)
{
cp = inet_ntoa(tcp->remote_addr);
snprintf(buf, sizeof(buf), "-0 %x %s:%x\n",
tcp->local_port, cp, tcp->remote_port);
}
#if defined(INET6) && defined(HAVE_GETADDRINFO)
else if (tcp->family == AF_INET6)
{
memset(&sin6, 0, sizeof(sin6));
memcpy(&sin6.sin6_addr, &tcp->remote_addr6,
sizeof(struct in6_addr));
sin6.sin6_family = AF_INET6;
#ifdef SIN6_LEN
sin6.sin6_len = sizeof(struct sockaddr_in6);
#endif
if (getnameinfo((struct sockaddr *)&sin6,
sizeof(struct sockaddr_in6),
addrbuf, sizeof(addrbuf),
NULL, 0,
NI_NUMERICHOST|NI_WITHSCOPEID)
!= 0)
continue;
snprintf(buf, sizeof(buf), "-6 %x [%s]:%x\n",
tcp->local_port, addrbuf,
tcp->remote_port);
}
#endif
else
continue;
gkrellmd_serve_data(mon, buf);
}
}
}
static void
serve_inet_setup(GkrellmdMonitor *mon)
{
GkrellmdClient *client = mon->privat->client;
if (inet_unsupported)
gkrellmd_send_to_client(client, "<inet_setup>\ninet_unsupported\n");
}
static GkrellmdMonitor inet_monitor =
{
"inet",
update_inet,
serve_inet_data,
serve_inet_setup
};
static GkrellmdMonitor *
init_inet_monitor(void)
{
if (_GK.inet_interval > 0 && gkrellm_sys_inet_init())
return &inet_monitor;
inet_unsupported = TRUE;
return NULL;
}
/* ======================================================= */
#define TIMER_TYPE_NONE 0
#define TIMER_TYPE_PPP 1
#define TIMER_TYPE_IPPP 2
typedef struct
{
gchar *name;
gboolean changed,
up,
up_prev,
up_event,
down_event;
gboolean timed_changed;
time_t up_time;
gulong rx,
tx;
}
NetData;
static NetData *net_timer;
static GList *net_list,
*net_sys_list;
static time_t net_timer0;
static gint net_timer_type;
static gboolean net_use_routed;
gchar *
gkrellm_net_mon_first(void)
{
gchar *name = NULL;
net_sys_list = net_list;
if (net_sys_list)
{
name = ((NetData *) (net_sys_list->data))->name;
net_sys_list = net_sys_list->next;
}
return name;
}
gchar *
gkrellm_net_mon_next(void)
{
gchar *name = NULL;
if (net_sys_list)
{
name = ((NetData *) (net_sys_list->data))->name;
net_sys_list = net_sys_list->next;
}
return name;
}
void
gkrellm_net_use_routed(gboolean real_routed /* not applicable in server */)
{
net_use_routed = TRUE;
}
static NetData *
net_new(gchar *name)
{
NetData *net;
net = g_new0(NetData, 1);
net->name = g_strdup(name);
net_list = g_list_append(net_list, net);
if (net_timer_type != TIMER_TYPE_NONE && !strcmp(_GK.net_timer, net->name))
net_timer = net;
return net;
}
void
gkrellm_net_assign_data(gchar *name, gulong rx, gulong tx)
{
GList *list;
NetData *net;
for (list = net_list; list; list = list->next)
{
net = (NetData *) list->data;
if (!strcmp(net->name, name))
{
if (net->rx != rx || net->tx != tx)
net->changed = TRUE;
else
net->changed = FALSE;
break;
}
}
if (!list)
net = net_new(name);
if (GK.second_tick && !net_use_routed)
net->up = TRUE;
net->rx = rx;
net->tx = tx;
}
void
gkrellm_net_routed_event(gchar *name, gboolean routed)
{
GList *list;
NetData *net;
for (list = net_list; list; list = list->next)
{
net = (NetData *) list->data;
if (!strcmp(net->name, name))
break;
}
if (!list)
net = net_new(name);
if (routed)
net->up_event = TRUE;
else
net->down_event = TRUE;
net->up = routed;
}
void
gkrellm_net_add_timer_type_ppp(gchar *name)
{
if (!_GK.net_timer || !name)
return;
if (name && !strncmp(_GK.net_timer, name, strlen(name) - 1))
net_timer_type = TIMER_TYPE_PPP;
}
void
gkrellm_net_add_timer_type_ippp(gchar *name)
{
if (!_GK.net_timer || !name)
return;
if (name && !strncmp(_GK.net_timer, name, strlen(name) - 1))
net_timer_type = TIMER_TYPE_IPPP;
}
void
gkrellm_net_set_lock_directory(gchar *dir)
{
/* Not supported remotely */
}
static void
update_net(GkrellmdMonitor *mon, gboolean first_update)
{
GList *list;
NetData *net;
gint up_time = 0;
if (GK.second_tick)
{
if (!net_use_routed)
{
for (list = net_list; list; list = list->next)
{
net = (NetData *) list->data;
net->up_prev = net->up;
net->up = FALSE;
}
}
else
gkrellm_sys_net_check_routes();
}
gkrellm_sys_net_read_data();
if (GK.second_tick && !net_use_routed)
{
for (list = net_list; list; list = list->next)
{
net = (NetData *) list->data;
if (net->up && !net->up_prev)
net->up_event = TRUE;
else if (!net->up && net->up_prev)
net->down_event = TRUE;
}
}
if (net_timer && GK.second_tick)
{
if (net_timer_type == TIMER_TYPE_PPP)
{
struct stat st;
gchar buf[256];
if (net_timer->up_event)
{
snprintf(buf, sizeof(buf), "/var/run/%s.pid", net_timer->name);
if (g_stat(buf, &st) == 0)
net_timer0 = st.st_mtime;
else
time(&net_timer0);
}
if (net_timer->up)
up_time = (int) (time(0) - net_timer0);
}
else if (net_timer_type == TIMER_TYPE_IPPP)
{
/* get all isdn status from its connect state because the
| net_timer->up can be UP even with isdn line not connected.
| Can't get time history if gkrellmd started after connects.
*/
static gboolean old_connected;
gboolean connected;
connected = gkrellm_sys_net_isdn_online();
if (connected && !old_connected)
time(&net_timer0); /* New session just started */
old_connected = connected;
up_time = (int) (time(0) - net_timer0);
}
if (up_time != net_timer->up_time)
net_timer->timed_changed = TRUE;
net_timer->up_time = up_time;
}
gkrellmd_need_serve(mon); /* serve func checks for changed */
}
static void
serve_net_data(GkrellmdMonitor *mon, gboolean first_serve)
{
NetData *net;
GList *list;
gchar buf[128];
gboolean fake_up_event;
gkrellmd_set_serve_name(mon, "net");
for (list = net_list; list; list = list->next)
{
net = (NetData *) list->data;
if (net->changed || first_serve)
{
snprintf(buf, sizeof(buf), "%s %lu %lu\n", net->name, net->rx, net->tx);
gkrellmd_serve_data(mon, buf);
}
}
/* Since the server transmits changes only, use the routed interface
| to the client regardless if the sysdep code uses routed.
*/
if (GK.second_tick || first_serve)
{
gkrellmd_set_serve_name(mon, "net_routed");
for (list = net_list; list; list = list->next)
{
net = (NetData *) list->data;
fake_up_event = (first_serve && net->up);
if (net->up_event || net->down_event || fake_up_event)
{
snprintf(buf, sizeof(buf), "%s %d\n", net->name,
fake_up_event ? TRUE : net->up_event);
gkrellmd_serve_data(mon, buf);
}
if (mon->privat->client->last_client)
net->up_event = net->down_event = FALSE;
}
}
if (net_timer && GK.second_tick)
{
if (net_timer->timed_changed || first_serve)
{
gkrellmd_set_serve_name(mon, "net_timer");
snprintf(buf, sizeof(buf), "%s %d\n", net_timer->name, (gint)net_timer->up_time);
gkrellmd_serve_data(mon, buf);
}
}
}
static void
serve_net_setup(GkrellmdMonitor *mon)
{
GkrellmdClient *client = mon->privat->client;
gchar buf[128];
/* The client <-> server link always uses routed mode, but the client
| needs to know if server sysdep uses routed for config purposes.
*/
if (net_use_routed)
gkrellmd_send_to_client(client, "<net_setup>\nnet_use_routed\n");
if (net_timer_type != TIMER_TYPE_NONE)
{
snprintf(buf, sizeof(buf),
"<net_setup>\nnet_timer %s\n", _GK.net_timer);
gkrellmd_send_to_client(client, buf);
}
}
static GkrellmdMonitor net_monitor =
{
"net",
update_net,
serve_net_data,
serve_net_setup
};
static GkrellmdMonitor *
init_net_monitor(void)
{
net_timer_type = TIMER_TYPE_NONE;
if (gkrellm_sys_net_init())
return &net_monitor;
return NULL;
}
/* ======================================================= */
struct
{
gboolean mem_changed;
guint64 total,
used,
free,
shared,
buffers,
cached;
gboolean swap_changed;
guint64 swap_total,
swap_used;
gulong swap_in,
swap_out;
}
mem;
void
gkrellm_mem_assign_data(guint64 total, guint64 used, guint64 free,
guint64 shared, guint64 buffers, guint64 cached)
{
if ( mem.total != total
|| mem.used != used
|| mem.free != free
|| mem.shared != shared
|| mem.buffers != buffers
|| mem.cached != cached
)
{
mem.total = total;
mem.used = used;
mem.free = free;
mem.shared = shared;
mem.buffers = buffers;
mem.cached = cached;
mem.mem_changed = TRUE;
}
}
void
gkrellm_swap_assign_data(guint64 total, guint64 used,
gulong swap_in, gulong swap_out)
{
if ( mem.swap_total != total
|| mem.swap_used != used
|| mem.swap_in != swap_in
|| mem.swap_out != swap_out
)
{
mem.swap_total = total;
mem.swap_used = used;
mem.swap_in = swap_in;
mem.swap_out = swap_out;
mem.swap_changed = TRUE;
}
}
static void
update_mem(GkrellmdMonitor *mon, gboolean first_update)
{
mem.mem_changed = mem.swap_changed = FALSE;
gkrellm_sys_swap_read_data();
if (first_update || GK.five_second_tick)
gkrellm_sys_mem_read_data();
if (mem.mem_changed || mem.swap_changed)
gkrellmd_need_serve(mon);
}
static void
serve_mem_data(GkrellmdMonitor *mon, gboolean first_serve)
{
gchar buf[128];
if (mem.mem_changed || first_serve)
{
gkrellmd_set_serve_name(mon, "mem");
snprintf(buf, sizeof(buf), "%" PRIu64 " %" PRIu64 " %" PRIu64 " %" PRIu64 " %" PRIu64 " %" PRIu64 "\n",
mem.total, mem.used, mem.free,
mem.shared, mem.buffers, mem.cached);
gkrellmd_serve_data(mon, buf);
}
if (mem.swap_changed || first_serve)
{
gkrellmd_set_serve_name(mon, "swap");
snprintf(buf, sizeof(buf), "%" PRIu64 " %" PRIu64 " %lu %lu\n",
mem.swap_total, mem.swap_used,
mem.swap_in, mem.swap_out);
gkrellmd_serve_data(mon, buf);
}
}
static GkrellmdMonitor mem_monitor =
{
"mem",
update_mem,
serve_mem_data,
NULL
};
static GkrellmdMonitor *
init_mem_monitor(void)
{
if (!gkrellm_sys_mem_init())
return NULL;
serveflag_done_list = g_list_append(serveflag_done_list, &mem.mem_changed);
serveflag_done_list = g_list_append(serveflag_done_list,&mem.swap_changed);
return &mem_monitor;
}
/* ======================================================= */
typedef struct
{
gboolean busy,
deleted,
is_mounted,
is_nfs,
changed;
gchar *directory,
*device,
*type,
*options;
glong blocks,
bavail,
bfree,
bsize;
}
Mount;
static GList *mounts_list,
*fstab_list;
static gboolean nfs_check,
fs_check,
fs_need_serve,
fstab_list_modified,
mounts_list_modified,
mounting_unsupported;
static gchar *remote_fs_types[] =
{
"nfs",
"smbfs"
};
void
gkrellm_fs_setup_eject(gchar *eject_tray, gchar *close_tray,
void (*eject_func)(), void (*close_func)())
{
/* Not supported remotely */
}
void
gkrellm_fs_add_to_mounts_list(gchar *dir, gchar *dev, gchar *type)
{
GList *list;
Mount *m;
gint i;
for (list = mounts_list; list; list = list->next)
{
m = (Mount *) list->data;
if ( !strcmp(m->directory, dir)
&& !strcmp(m->device, dev)
&& !strcmp(m->type, type)
)
break;
}
if (!list)
{
m = g_new0(Mount, 1);
m->directory = g_strdup(dir);
m->device = g_strdup(dev);
m->type = g_strdup(type);
mounts_list = g_list_append(mounts_list, m);
mounts_list_modified = TRUE;
serveflag_done_list = g_list_append(serveflag_done_list, &m->changed);
for (i = 0; i < (sizeof(remote_fs_types) / sizeof(gchar *)); ++i)
{
if (!strcmp(m->type, remote_fs_types[i]))
{
m->is_nfs = TRUE;
break;
}
}
}
m->is_mounted = TRUE;
}
void
gkrellm_fs_add_to_fstab_list(gchar *dir, gchar *dev, gchar *type, gchar *opt)
{
Mount *m;
m = g_new0(Mount, 1);
m->directory = g_strdup(dir);
m->device = g_strdup(dev);
m->type = g_strdup(type);
fstab_list = g_list_append(fstab_list, m);
}
void
gkrellm_fs_assign_fsusage_data(gpointer pointer,
glong blocks, glong bavail, glong bfree, glong bsize)
{
Mount *m = (Mount *) pointer;
if ( m->blocks != blocks
|| m->bavail != bavail
|| m->bfree != bfree
|| m->bsize != bsize
)
{
m->blocks = blocks;
m->bavail = bavail;
m->bfree = bfree;
m->bsize = bsize;
m->changed = TRUE;
}
}
void
gkrellm_fs_mounting_unsupported(void)
{
mounting_unsupported = TRUE;
}
static void
refresh_mounts_list(void)
{
GList *list;
Mount *m;
for (list = mounts_list; list; list = list->next)
((Mount *) list->data)->is_mounted = FALSE;
gkrellm_sys_fs_get_mounts_list();
for (list = mounts_list; list; )
{
m = (Mount *) list->data;
if (!m->is_mounted)
{
if (list == mounts_list)
mounts_list = mounts_list->next;
list = g_list_remove_link(list, list);
g_free(m->directory);
g_free(m->device);
g_free(m->type);
serveflag_done_list = g_list_remove(serveflag_done_list,
&m->changed);
if (m->busy)
m->deleted = TRUE;
else
g_free(m);
mounts_list_modified = TRUE;
}
else
list = list->next;
}
}
static void
refresh_fstab_list(void)
{
Mount *m;
while (fstab_list)
{
m = (Mount *) fstab_list->data;
g_free(m->directory);
g_free(m->device);
g_free(m->type);
g_free(m);
fstab_list = g_list_remove(fstab_list, fstab_list->data);
}
gkrellm_sys_fs_get_fstab_list();
fstab_list_modified = TRUE;
}
#if GLIB_CHECK_VERSION(2,0,0)
static gpointer
get_fsusage_thread(void *data)
{
Mount *m = (Mount *) data;
gkrellm_sys_fs_get_fsusage(m, m->directory);
if (m->deleted)
g_free(m);
else
{
if (m->changed)
fs_need_serve = TRUE;
m->busy = FALSE;
}
return NULL;
}
#endif
static void
update_fs(GkrellmdMonitor *mon, gboolean first_update)
{
GList *list;
Mount *m;
static gint check_tick;
if (fs_need_serve) /* Asynchronous change in fsusage thread? */
gkrellmd_need_serve(mon);
fs_need_serve = FALSE;
if (GK.second_tick)
++check_tick;
fs_check = !(check_tick % _GK.fs_interval);
if (_GK.nfs_interval > 0)
nfs_check = !(check_tick % _GK.nfs_interval);
else
nfs_check = 0;
if (!first_update && (!GK.second_tick || (!fs_check && !nfs_check)))
return;
refresh_mounts_list();
for (list = mounts_list; list; list = list->next)
{
m = (Mount *) list->data;
if (fs_check && !m->is_nfs)
gkrellm_sys_fs_get_fsusage(m, m->directory);
else if (nfs_check && m->is_nfs && !m->busy)
{
#if GLIB_CHECK_VERSION(2,0,0)
m->busy = TRUE;
g_thread_create(get_fsusage_thread, m, FALSE, NULL);
#else
gkrellm_sys_fs_get_fsusage(m, m->directory);
#endif
}
}
if (first_update || gkrellm_sys_fs_fstab_modified())
refresh_fstab_list();
gkrellmd_need_serve(mon);
}
static void
serve_fs_data(GkrellmdMonitor *mon, gboolean first_serve)
{
Mount *m;
GList *list;
gchar buf[128];
if (mounts_list_modified || first_serve)
{
gkrellmd_set_serve_name(mon, "fs_mounts");
gkrellmd_serve_data(mon, ".clear\n");
for (list = mounts_list; list; list = list->next)
{
m = (Mount *) list->data;
snprintf(buf, sizeof(buf), "%s %s %s %ld %ld %ld %ld\n",
m->directory, m->device, m->type,
m->blocks, m->bavail, m->bfree, m->bsize);
/*gkrellm_debug(DEBUG_SERVER,
"Adding mount-line for %s to serve-data\n", m->directory);*/
gkrellmd_serve_data(mon, buf);
}
}
else
{
gkrellmd_set_serve_name(mon, "fs");
for (list = mounts_list; list; list = list->next)
{
m = (Mount *) list->data;
if (!m->changed)
continue;
snprintf(buf, sizeof(buf), "%s %s %ld %ld %ld %ld\n",
m->directory, m->device,
m->blocks, m->bavail, m->bfree, m->bsize);
/*gkrellm_debug(DEBUG_SERVER,
"Updating fs %s in serve-data\n", m->directory);*/
gkrellmd_serve_data(mon, buf);
}
}
if (fstab_list_modified || first_serve)
{
gkrellmd_set_serve_name(mon, "fs_fstab");
gkrellmd_serve_data(mon, ".clear\n");
for (list = fstab_list; list; list = list->next)
{
m = (Mount *) list->data;
snprintf(buf, sizeof(buf), "%s %s %s\n",
m->directory, m->device, m->type);
/*gkrellm_debug(DEBUG_SERVER,
"Adding fstab-line for %s to serve-data\n", m->directory);*/
gkrellmd_serve_data(mon, buf);
}
}
}
static void
serve_fs_setup(GkrellmdMonitor *mon)
{
GkrellmdClient *client = mon->privat->client;
if (mounting_unsupported)
gkrellmd_send_to_client(client, "<fs_setup>\nmounting_unsupported\n");
}
static GkrellmdMonitor fs_monitor =
{
"fs",
update_fs,
serve_fs_data,
serve_fs_setup
};
static GkrellmdMonitor *
init_fs_monitor(void)
{
if (!gkrellm_sys_fs_init())
return NULL;
serveflag_done_list =
g_list_append(serveflag_done_list, &fstab_list_modified);
serveflag_done_list =
g_list_append(serveflag_done_list, &mounts_list_modified);
return &fs_monitor;
}
/* ======================================================= */
typedef struct
{
gboolean changed,
have_data;
gint id;
gboolean present,
on_line,
charging;
gint percent;
gint time_left;
}
Battery;
static GList *battery_list;
static Battery *composite_battery;
static Battery *
battery_nth(gint n)
{
Battery *bat;
static gint n_batteries;
if (n > 10)
return NULL;
if (n < 0)
{
if (!composite_battery)
{
bat = g_new0(Battery, 1);
battery_list = g_list_prepend(battery_list, bat);
bat->id = GKRELLM_BATTERY_COMPOSITE_ID;
composite_battery = bat;
serveflag_done_list = g_list_append(serveflag_done_list,
&composite_battery->changed);
}
return composite_battery;
}
if (composite_battery)
++n;
while ((bat = (Battery *)g_list_nth_data(battery_list, n)) == NULL)
{
bat = g_new0(Battery, 1);
battery_list = g_list_append(battery_list, bat);
bat->id = n_batteries++;
serveflag_done_list = g_list_append(serveflag_done_list,
&bat->changed);
}
return bat;
}
void
gkrellm_battery_assign_data(gint id, gboolean present, gboolean on_line,
gboolean charging, gint percent, gint time_left)
{
Battery *bat;
bat = battery_nth(id);
if (!bat)
return;
if ( present != bat->present
|| on_line != bat->on_line
|| charging != bat->charging
|| percent != bat->percent
|| time_left != bat->time_left
)
{
bat->present = present;
bat->on_line = on_line;
bat->charging = charging;
bat->percent = percent;
bat->time_left = time_left;
bat->changed = TRUE;
}
bat->have_data = TRUE;
}
gint
gkrellm_battery_full_cap_fallback()
{
return 5000; /* XXX Linux ACPI bug not handled by server */
}
static void
update_battery(GkrellmdMonitor *mon, gboolean first_update)
{
GList *list;
Battery *bat;
if (!first_update && !GK.five_second_tick)
return;
for (list = battery_list; list; list = list->next)
{
bat = (Battery *) list->data;
bat->have_data = FALSE;
bat->changed = FALSE;
}
gkrellm_sys_battery_read_data();
for (list = battery_list; list; list = list->next)
{
bat = (Battery *) list->data;
if (!bat->have_data && bat->present)
{
bat->present = FALSE;
bat->changed = TRUE;
}
if (bat->changed)
gkrellmd_need_serve(mon);
}
}
static void
serve_battery_data(GkrellmdMonitor *mon, gboolean first_serve)
{
Battery *bat;
GList *list;
gchar buf[128];
gkrellmd_set_serve_name(mon, "battery");
for (list = battery_list; list; list = list->next)
{
bat = (Battery *) list->data;
if ( (!bat->changed && !first_serve)
|| ( !gkrellmd_check_client_version(mon, 2,1,9)
&& bat->id > 0
)
)
continue;
snprintf(buf, sizeof(buf), "%d %d %d %d %d %d\n",
bat->present, bat->on_line, bat->charging,
bat->percent, bat->time_left, bat->id);
gkrellmd_serve_data(mon, buf);
}
}
static void
serve_battery_setup(GkrellmdMonitor *mon)
{
GkrellmdClient *client = mon->privat->client;
gkrellm_sys_battery_read_data();
if (battery_list)
gkrellmd_send_to_client(client,
"<battery_setup>\nbattery_available\n");
}
static GkrellmdMonitor battery_monitor =
{
"battery",
update_battery,
serve_battery_data,
serve_battery_setup
};
static GkrellmdMonitor *
init_battery_monitor(void)
{
if (!gkrellm_sys_battery_init())
return NULL;
return &battery_monitor;
}
/* ======================================================= */
typedef struct
{
gboolean changed;
gint type;
gchar *path; /* Pathname to sensor data or device file */
gchar *id_name; /* These 4 are unique sensor identification */
gint id; /* of a particular sensor type */
gint iodev; /* One or any combination may be used. */
gint inter;
gchar *vref;
gchar *default_label;
gint group;
gfloat factor;
gfloat offset;
gfloat raw_value;
}
Sensor;
static GList *sensors_list;
static gboolean thread_busy,
sensors_need_serve;
static gpointer
read_sensors(void *data)
{
GList *list;
Sensor *sensor;
gfloat tmp;
gboolean need_serve = FALSE;
for (list = sensors_list; list; list = list->next)
{
sensor = (Sensor *) list->data;
tmp = sensor->raw_value;
if (sensor->type == SENSOR_TEMPERATURE)
gkrellm_sys_sensors_get_temperature(sensor->path, sensor->id,
sensor->iodev, sensor->inter, &sensor->raw_value);
else if (sensor->type == SENSOR_FAN)
gkrellm_sys_sensors_get_fan(sensor->path, sensor->id,
sensor->iodev, sensor->inter, &sensor->raw_value);
else if (sensor->type == SENSOR_VOLTAGE)
gkrellm_sys_sensors_get_voltage(sensor->path, sensor->id,
sensor->iodev, sensor->inter, &sensor->raw_value);
if (sensor->raw_value != tmp)
{
sensor->changed = TRUE;
need_serve = TRUE;
}
else
sensor->changed = FALSE;
}
thread_busy = FALSE;
sensors_need_serve = need_serve; /* Thread, so set after data collected */
return NULL;
}
static void
run_sensors_thread(void)
{
#if GLIB_CHECK_VERSION(2,0,0)
if (thread_busy)
return;
thread_busy = TRUE;
g_thread_create(read_sensors, NULL, FALSE, NULL);
#else
read_sensors(NULL);
#endif
}
void
gkrellm_sensors_config_migrate_connect(gboolean (*func)(), gint sysdep_version)
{
}
void
gkrellm_sensors_update_volt_order_base(void)
{
}
void
gkrellm_sensors_set_group(gpointer sr, gint group)
{
Sensor *sensor = (Sensor *) sr;
if (sensor)
sensor->group = group;
}
void
gkrellm_sensors_sysdep_option(gchar *keyword, gchar *label, void (*func)())
{
}
/* A sensor within a type is uniquely identified by its id_name.
| A sysdep interface may additionally use any of the triple integer
| set (id, iodev, inter) for internal identification.
| Monitor code here uses path to read the sensor values, but id_name is only
| passed to the client since that is all that is needed for identification
| (the client is no longer interfacing to sysdep code).
*/
gpointer
gkrellm_sensors_add_sensor(gint type, gchar *sensor_path, gchar *id_name,
gint id, gint iodev, gint inter,
gfloat factor, gfloat offset, gchar *vref, gchar *default_label)
{
Sensor *sensor;
if (!id_name || !*id_name || type < 0 || type > 2)
return NULL;
sensor = g_new0(Sensor, 1);
sensor->id_name = g_strdup(id_name);
if (sensor_path)
sensor->path = g_strdup(sensor_path);
else
sensor->path = g_strdup(id_name);
sensor->vref = g_strdup(vref ? vref : "NONE");
sensor->default_label = g_strdup(default_label ? default_label : "NONE");
sensor->factor = factor;
sensor->offset = offset;
sensor->type = type;
sensor->id = id;
sensor->iodev = iodev;
sensor->inter = inter;
sensors_list = g_list_append(sensors_list, sensor);
return sensor;
}
static void
update_sensors(GkrellmdMonitor *mon, gboolean first_update)
{
if (sensors_need_serve) /* Asynchronously set in thread */
gkrellmd_need_serve(mon);
sensors_need_serve = FALSE;
if (!GK.five_second_tick && !first_update)
return;
if (first_update)
read_sensors(NULL); /* No thread on first read */
else
run_sensors_thread();
}
static void
serve_sensors_data(GkrellmdMonitor *mon, gboolean first_serve)
{
Sensor *sr;
GList *list;
gchar buf[128];
gboolean sensor_disk_ok;
gkrellmd_set_serve_name(mon, "sensors");
sensor_disk_ok = gkrellmd_check_client_version(mon, 2,2,0);
for (list = sensors_list; list; list = list->next)
{
sr = (Sensor *) list->data;
if (sr->group == SENSOR_GROUP_DISK && !sensor_disk_ok)
continue;
if (sr->changed || first_serve)
{
snprintf(buf, sizeof(buf), "%d \"%s\" %d %d %d %.2f\n",
sr->type, sr->id_name,
sr->id, sr->iodev, sr->inter, sr->raw_value);
gkrellmd_serve_data(mon, buf);
}
}
}
static void
serve_sensors_setup(GkrellmdMonitor *mon)
{
GkrellmdClient *client = mon->privat->client;
GList *list;
Sensor *s;
gchar buf[256];
gboolean sensor_disk_ok;
gkrellmd_send_to_client(client, "<sensors_setup>\n");
sensor_disk_ok = gkrellmd_check_client_version(mon, 2,2,0);
for (list = sensors_list; list; list = list->next)
{
s = (Sensor *) list->data;
if (s->group == SENSOR_GROUP_DISK && !sensor_disk_ok)
continue;
if (sensor_disk_ok)
snprintf(buf, sizeof(buf), "%d \"%s\" %d %d %d %.4f %.4f \"%s\" \"%s\" %d\n",
s->type, s->id_name,
s->id, s->iodev, s->inter,
s->factor, s->offset, s->vref, s->default_label, s->group);
else
snprintf(buf, sizeof(buf), "%d \"%s\" %d %d %d %.4f %.4f \"%s\" \"%s\"\n",
s->type, s->id_name,
s->id, s->iodev, s->inter,
s->factor, s->offset, s->vref, s->default_label);
gkrellmd_send_to_client(client, buf);
}
}
static GkrellmdMonitor sensors_monitor =
{
"sensors",
update_sensors,
serve_sensors_data,
serve_sensors_setup
};
static GkrellmdMonitor *
init_sensors_monitor(void)
{
if (!gkrellm_sys_sensors_init())
return NULL;
return &sensors_monitor;
}
/* ======================================================= */
static time_t base_uptime,
up_seconds;
static gulong up_minutes = -1;
void
gkrellm_uptime_set_base_uptime(time_t base)
{
base_uptime = base;
}
static void
update_uptime(GkrellmdMonitor *mon, gboolean first_update)
{
gint prev_up;
if (GK.ten_second_tick || up_minutes < 0 || first_update)
{
prev_up = up_minutes;
up_seconds = gkrellm_sys_uptime_read_uptime();
if (up_seconds > 0)
up_minutes = (gint) (up_seconds / 60);
else
up_minutes = (gint)(time(0) - _GK.start_time + base_uptime) / 60;
if (up_minutes != prev_up)
gkrellmd_need_serve(mon);
}
}
static void
serve_uptime_data(GkrellmdMonitor *mon, gboolean first_serve)
{
gchar buf[128];
gkrellmd_set_serve_name(mon, "uptime");
snprintf(buf, sizeof(buf), "%lu\n", (gulong) up_minutes);
gkrellmd_serve_data(mon, buf);
}
static GkrellmdMonitor uptime_monitor =
{
"uptime",
update_uptime,
serve_uptime_data,
NULL
};
static GkrellmdMonitor *
init_uptime_monitor(void)
{
if (!gkrellm_sys_uptime_init())
return NULL;
return &uptime_monitor;
}
/* ======================================================= */
static void
send_time(GkrellmdClient *client)
{
struct tm *t;
gchar buf[128];
t = &gkrellmd_current_tm;
snprintf(buf, sizeof(buf), "<time>\n%d %d %d %d %d %d %d %d %d\n",
t->tm_sec, t->tm_min, t->tm_hour,
t->tm_mday, t->tm_mon, t->tm_year,
t->tm_wday, t->tm_yday, t->tm_isdst);
gkrellmd_send_to_client(client, buf);
}
/* ======================================================= */
void
gkrellmd_plugin_serve_setup(GkrellmdMonitor *mon, gchar *name, gchar *line)
{
GkrellmdClient *client = mon->privat->client;
gchar buf[256];
if (!mon || !name || !line)
return;
gkrellmd_send_to_client(client, "<plugin_setup>\n");
snprintf(buf, sizeof(buf), "%s %s\n", name, line);
gkrellmd_send_to_client(client, buf);
}
static void
add_monitor(GkrellmdMonitor *mon)
{
if (!mon)
return;
mon->privat = g_new0(GkrellmdMonitorPrivate, 1);
mon->privat->serve_gstring = g_string_new("");
gkrellmd_monitor_list = g_list_append(gkrellmd_monitor_list, mon);
}
void
gkrellmd_load_monitors(void)
{
GList *list;
GkrellmdMonitor *mon;
add_monitor(init_sensors_monitor());
add_monitor(init_cpu_monitor());
add_monitor(init_proc_monitor());
add_monitor(init_disk_monitor());
add_monitor(init_net_monitor());
add_monitor(init_inet_monitor());
add_monitor(init_mem_monitor());
add_monitor(init_fs_monitor());
add_monitor(gkrellmd_init_mail_monitor());
add_monitor(init_battery_monitor());
add_monitor(init_uptime_monitor());
list = gkrellmd_plugins_load();
if (_GK.list_plugins)
exit(0);
if (_GK.log_plugins)
g_message("%s\n", plugin_install_log ? plugin_install_log :
_("No plugins found\n"));
for ( ; list; list = list->next)
{
mon = (GkrellmdMonitor *) list->data;
mon->privat->serve_gstring = g_string_new("");
mon->privat->is_plugin = TRUE;
gkrellmd_monitor_list = g_list_append(gkrellmd_monitor_list, mon);
}
}
void
gkrellmd_need_serve(GkrellmdMonitor *mon)
{
if (mon)
mon->privat->need_serve = TRUE;
}
gint
gkrellmd_update_monitors(void)
{
GList *list, *c_list;
GkrellmdMonitor *mon;
GkrellmdMonitorPrivate *mp;
GkrellmdClient *client;
struct tm *pCur;
static time_t time_prev;
gchar buf[64];
static gboolean first_update = TRUE;
static GString *serve_gstring;
time(&_GK.time_now);
GK.second_tick = (_GK.time_now == time_prev) ? FALSE : TRUE;
time_prev = _GK.time_now;
if (GK.second_tick)
{
pCur = localtime(&_GK.time_now);
GK.two_second_tick = ((pCur->tm_sec % 2) == 0) ? TRUE : FALSE;
GK.five_second_tick = ((pCur->tm_sec % 5) == 0) ? TRUE : FALSE;
GK.ten_second_tick = ((pCur->tm_sec % 10) == 0) ? TRUE : FALSE;
GK.minute_tick = (pCur->tm_min != gkrellmd_current_tm.tm_min);
gkrellmd_current_tm = *pCur;
}
else
{
GK.two_second_tick = FALSE;
GK.five_second_tick = FALSE;
GK.ten_second_tick = FALSE;
GK.minute_tick = FALSE;
}
for (list = gkrellmd_monitor_list; list; list = list->next)
{
mon = (GkrellmdMonitor *) list->data;
if (mon->update_monitor)
(*(mon->update_monitor))(mon, first_update);
}
++GK.timer_ticks;
if (!serve_gstring)
serve_gstring = g_string_new("");
for (c_list = gkrellmd_client_list; c_list; c_list = c_list->next)
{
client = (GkrellmdClient *) c_list->data;
client->last_client = !c_list->next;
if (!client->served)
gkrellmd_send_to_client(client, "<initial_update>\n");
for (list = gkrellmd_monitor_list; list; list = list->next)
{
mon = (GkrellmdMonitor *) list->data;
mp = mon->privat;
if (!mon->serve_data || (!mp->need_serve && client->served))
continue;
mp->client = client;
mp->serve_name_sent = FALSE;
(*(mon->serve_data))(mon, client->served ? FALSE : TRUE);
if (mp->serve_gstring->len > 0)
{
serve_gstring =
g_string_append(serve_gstring, mp->serve_gstring->str);
mp->serve_gstring = g_string_truncate(mp->serve_gstring, 0);
}
}
gkrellmd_send_to_client(client, serve_gstring->str);
serve_gstring = g_string_truncate(serve_gstring, 0);
if (GK.minute_tick || !client->served)
send_time(client);
else if (GK.second_tick)
{
snprintf(buf, sizeof(buf), "<.%d>\n", gkrellmd_current_tm.tm_sec);
gkrellmd_send_to_client(client, buf);
}
if (!client->served)
gkrellmd_send_to_client(client, "</initial_update>\n");
client->served = TRUE;
}
for (list = gkrellmd_monitor_list; list; list = list->next)
{
mon = (GkrellmdMonitor *) list->data;
mp = mon->privat;
mp->need_serve = FALSE;
}
for (list = serveflag_done_list; list; list = list->next)
*((gboolean *) list->data) = FALSE;
first_update = FALSE;
return TRUE;
}
void
gkrellmd_serve_setup(GkrellmdClient *client)
{
GList *list;
GkrellmdMonitor *mon;
struct lconv *lc;
gchar buf[32], *s, *name;
gkrellmd_send_to_client(client, "<gkrellmd_setup>\n");
s = g_strdup_printf("<version>\ngkrellmd %d.%d.%d%s\n",
GKRELLMD_VERSION_MAJOR, GKRELLMD_VERSION_MINOR,
GKRELLMD_VERSION_REV, GKRELLMD_EXTRAVERSION);
gkrellmd_send_to_client(client, s);
g_free(s);
lc = localeconv();
snprintf(buf, sizeof(buf), "%c\n", *lc->decimal_point);
s = g_strconcat("<decimal_point>\n", buf, "\n", NULL);
gkrellmd_send_to_client(client, s);
g_free(s);
for (list = gkrellmd_monitor_list; list; list = list->next)
{
mon = (GkrellmdMonitor *) list->data;
mon->privat->client = client;
if (mon->serve_setup)
(*(mon->serve_setup))(mon);
}
name = gkrellm_sys_get_host_name();
s = g_strconcat("<hostname>\n", name, "\n", NULL);
gkrellmd_send_to_client(client, s);
g_free(s);
name = gkrellm_sys_get_system_name();
s = g_strconcat("<sysname>\n", name, "\n", NULL);
gkrellmd_send_to_client(client, s);
g_free(s);
send_time(client);
gkrellmd_send_to_client(client, "<monitors>\n");
for (list = gkrellmd_monitor_list; list; list = list->next)
{
mon = (GkrellmdMonitor *) list->data;
snprintf(buf, sizeof(buf), "%s\n", mon->name);
gkrellmd_send_to_client(client, buf);
}
snprintf(buf, sizeof(buf), "%d\n", _GK.io_timeout);
s = g_strconcat("<io_timeout>\n", buf, "\n", NULL);
gkrellmd_send_to_client(client, s);
g_free(s);
snprintf(buf, sizeof(buf), "%d\n", _GK.reconnect_timeout);
s = g_strconcat("<reconnect_timeout>\n", buf, "\n", NULL);
gkrellmd_send_to_client(client, s);
g_free(s);
gkrellmd_send_to_client(client, "</gkrellmd_setup>\n");
}
void
gkrellmd_client_input_connect(GkrellmdMonitor *mon,
void (*func)(GkrellmdClient *, gchar *))
{
mon->privat->client_input_func = func;
}
void
gkrellmd_client_read(gint fd, gint nbytes)
{
GList *list;
GkrellmdClient *client = NULL;
GkrellmdMonitor *mon;
GkrellmdMonitorPrivate *mp;
gchar buf[513], *s, *e;
gint n, buflen;
for (list = gkrellmd_client_list; list; list = list->next)
{
client = (GkrellmdClient *) list->data;
if (client->fd != fd)
continue;
if (!client->input_gstring)
client->input_gstring = g_string_new("");
buflen = sizeof(buf) - 1;
while (nbytes > 0)
{
n = (nbytes > buflen) ? buflen : nbytes;
n = recv(fd, buf, n, 0);
if (n <= 0)
break;
nbytes -= n;
buf[n] = '\0';
client->input_gstring =
g_string_append(client->input_gstring, buf);
}
break;
}
if (!list)
return;
while (gkrellmd_getline_from_gstring(&client->input_gstring,
buf, sizeof(buf) - 1))
{
if (*buf == '<')
{
client->input_func = NULL;
s = buf + 1;
for (list = gkrellmd_monitor_list; list; list = list->next)
{
mon = (GkrellmdMonitor *) list->data;
mp = mon->privat;
if (!mp->serve_name)
continue;
n = strlen(mp->serve_name);
e = s + n;
if (*e == '>' && !strncmp(mp->serve_name, s, n))
{
client->input_func = mp->client_input_func;
break;
}
}
}
else if (client->input_func)
(*client->input_func)(client, buf);
// printf("%s: %s", client->hostname, buf);
}
}
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