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mirror of https://github.com/Llewellynvdm/conky.git synced 2025-01-26 16:48:28 +00:00

rewrite tcp-portmon hooks

Global variables belonging to tcp-portmon are now separated from
conky.c, cleaning up struct information and struct text_object a bit.
This commit is contained in:
Phil Sutter 2008-12-09 14:44:14 +01:00
parent 4b89c3b17d
commit 19a6e7c925
6 changed files with 219 additions and 144 deletions

View File

@ -71,7 +71,8 @@ PTHREAD_LIBS = -pthread
endif
if BUILD_PORT_MONITORS
port_monitors = libtcp-portmon.h libtcp-portmon.c
port_monitors = libtcp-portmon.h libtcp-portmon.c \
tcp-portmon.h tcp-portmon.c
endif
if BUILD_X11

View File

@ -397,7 +397,7 @@ void update_stuff(void)
}
#ifdef TCP_PORT_MONITOR
if (NEED(INFO_TCP_PORT_MONITOR)) {
update_tcp_port_monitor_collection(info.p_tcp_port_monitor_collection);
tcp_portmon_update();
}
#endif
if (NEED(INFO_ENTROPY)) {

View File

@ -450,10 +450,6 @@ int no_buffers;
/* pad percentages to decimals? */
static int pad_percents = 0;
#ifdef TCP_PORT_MONITOR
tcp_port_monitor_args_t tcp_port_monitor_args;
#endif
static char *global_text = 0;
long global_text_lines;
@ -1495,16 +1491,7 @@ struct text_object {
int a, b;
} pair; /* 2 */
#ifdef TCP_PORT_MONITOR
struct {
/* starting port to monitor */
in_port_t port_range_begin;
/* ending port to monitor */
in_port_t port_range_end;
/* enum from libtcp-portmon.h, e.g. COUNT, etc. */
int item;
/* 0 to n-1 connections. */
int connection_index;
} tcp_port_monitor;
struct tcp_port_monitor_data tcp_port_monitor;
#endif
#ifdef HDDTEMP
struct {
@ -4101,89 +4088,7 @@ static struct text_object *construct_text_object(const char *s,
#endif
#ifdef TCP_PORT_MONITOR
END OBJ(tcp_portmon, INFO_TCP_PORT_MONITOR)
int argc, port_begin, port_end, item, connection_index;
char itembuf[32];
memset(itembuf, 0, sizeof(itembuf));
connection_index = 0;
/* massive argument checking */
if (!arg) {
CRIT_ERR("tcp_portmon: needs arguments");
}
argc = sscanf(arg, "%d %d %31s %d", &port_begin, &port_end, itembuf,
&connection_index);
if ((argc != 3) && (argc != 4)) {
CRIT_ERR("tcp_portmon: requires 3 or 4 arguments");
}
if ((port_begin < 1) || (port_begin > 65535) || (port_end < 1)
|| (port_end > 65535)) {
CRIT_ERR("tcp_portmon: port values must be from 1 to 65535");
}
if (port_begin > port_end) {
CRIT_ERR("tcp_portmon: starting port must be <= ending port");
}
if (strncmp(itembuf, "count", 31) == EQUAL) {
item = COUNT;
} else if (strncmp(itembuf, "rip", 31) == EQUAL) {
item = REMOTEIP;
} else if (strncmp(itembuf, "rhost", 31) == EQUAL) {
item = REMOTEHOST;
} else if (strncmp(itembuf, "rport", 31) == EQUAL) {
item = REMOTEPORT;
} else if (strncmp(itembuf, "rservice", 31) == EQUAL) {
item = REMOTESERVICE;
} else if (strncmp(itembuf, "lip", 31) == EQUAL) {
item = LOCALIP;
} else if (strncmp(itembuf, "lhost", 31) == EQUAL) {
item = LOCALHOST;
} else if (strncmp(itembuf, "lport", 31) == EQUAL) {
item = LOCALPORT;
} else if (strncmp(itembuf, "lservice", 31) == EQUAL) {
item = LOCALSERVICE;
} else {
CRIT_ERR("tcp_portmon: invalid item specified");
}
if ((argc == 3) && (item != COUNT)) {
CRIT_ERR("tcp_portmon: 3 argument form valid only for \"count\" "
"item");
}
if ((argc == 4) && (connection_index < 0)) {
CRIT_ERR("tcp_portmon: connection index must be non-negative");
}
/* ok, args looks good. save the text object data */
obj->data.tcp_port_monitor.port_range_begin = (in_port_t) port_begin;
obj->data.tcp_port_monitor.port_range_end = (in_port_t) port_end;
obj->data.tcp_port_monitor.item = item;
obj->data.tcp_port_monitor.connection_index = connection_index;
/* if the port monitor collection hasn't been created,
* we must create it */
if (!info.p_tcp_port_monitor_collection) {
info.p_tcp_port_monitor_collection =
create_tcp_port_monitor_collection();
if (!info.p_tcp_port_monitor_collection) {
CRIT_ERR("tcp_portmon: unable to create port monitor "
"collection");
}
}
/* if a port monitor for this port does not exist,
* create one and add it to the collection */
if (find_tcp_port_monitor(info.p_tcp_port_monitor_collection,
port_begin, port_end) == NULL) {
tcp_port_monitor_t *p_monitor = create_tcp_port_monitor(port_begin,
port_end, &tcp_port_monitor_args);
if (!p_monitor) {
CRIT_ERR("tcp_portmon: unable to create port monitor");
}
/* add the newly created monitor to the collection */
if (insert_tcp_port_monitor_into_collection(
info.p_tcp_port_monitor_collection, p_monitor) != 0) {
CRIT_ERR("tcp_portmon: unable to add port monitor to "
"collection");
}
}
tcp_portmon_init(arg, &obj->data.tcp_port_monitor);
#endif
END OBJ(entropy_avail, INFO_ENTROPY)
END OBJ(entropy_poolsize, INFO_ENTROPY)
@ -6594,25 +6499,8 @@ head:
}
#ifdef TCP_PORT_MONITOR
OBJ(tcp_portmon) {
/* grab a pointer to this port monitor */
tcp_port_monitor_t *p_monitor =
find_tcp_port_monitor(info.p_tcp_port_monitor_collection,
obj->data.tcp_port_monitor.port_range_begin,
obj->data.tcp_port_monitor.port_range_end);
if (!p_monitor) {
snprintf(p, p_max_size, "monitor not found");
break;
}
/* now grab the text of interest */
if (peek_tcp_port_monitor(p_monitor,
obj->data.tcp_port_monitor.item,
obj->data.tcp_port_monitor.connection_index, p,
p_max_size) != 0) {
snprintf(p, p_max_size, "monitor peek error");
break;
}
tcp_portmon_action(p, p_max_size,
&obj->data.tcp_port_monitor);
}
#endif
@ -8167,7 +8055,7 @@ void reload_config(void)
#endif /* X11 */
#ifdef TCP_PORT_MONITOR
destroy_tcp_port_monitor_collection(info.p_tcp_port_monitor_collection);
tcp_portmon_clear();
#endif
if (current_config) {
@ -8187,9 +8075,6 @@ void reload_config(void)
XClearWindow(display, RootWindow(display, screen));
#endif /* X11 */
#ifdef TCP_PORT_MONITOR
info.p_tcp_port_monitor_collection = NULL;
#endif
extract_variable_text(global_text);
free(global_text);
global_text = NULL;
@ -8267,8 +8152,7 @@ void clean_up(void)
free(current_config);
#ifdef TCP_PORT_MONITOR
destroy_tcp_port_monitor_collection(info.p_tcp_port_monitor_collection);
info.p_tcp_port_monitor_collection = NULL;
tcp_portmon_clear();
#endif
#ifdef RSS
free_rss_info();
@ -8457,8 +8341,8 @@ static void set_default_configurations(void)
info.users.number = 1;
#ifdef TCP_PORT_MONITOR
tcp_port_monitor_args.max_port_monitor_connections =
MAX_PORT_MONITOR_CONNECTIONS_DEFAULT;
/* set default connection limit */
tcp_portmon_set_max_connections(0);
#endif
}
@ -9113,21 +8997,15 @@ static void load_config_file(const char *f)
}
#ifdef TCP_PORT_MONITOR
CONF("max_port_monitor_connections") {
if (!value || (sscanf(value, "%d",
&tcp_port_monitor_args.max_port_monitor_connections) != 1)
|| tcp_port_monitor_args.max_port_monitor_connections < 0) {
int max;
if (!value || (sscanf(value, "%d", &max) != 1)) {
/* an error. use default, warn and continue. */
tcp_port_monitor_args.max_port_monitor_connections =
MAX_PORT_MONITOR_CONNECTIONS_DEFAULT;
tcp_portmon_set_max_connections(0);
CONF_ERR;
} else if (tcp_portmon_set_max_connections(max)) {
/* max is < 0, default has been set*/
CONF_ERR;
} else if (tcp_port_monitor_args.max_port_monitor_connections
== 0) {
/* no error, just use default */
tcp_port_monitor_args.max_port_monitor_connections =
MAX_PORT_MONITOR_CONNECTIONS_DEFAULT;
}
/* else tcp_port_monitor_args.max_port_monitor_connections > 0
* as per config */
}
#endif
CONF("if_up_strictness") {
@ -9254,8 +9132,8 @@ int main(int argc, char **argv)
clear_net_stats();
#ifdef TCP_PORT_MONITOR
tcp_port_monitor_args.max_port_monitor_connections =
MAX_PORT_MONITOR_CONNECTIONS_DEFAULT;
/* set default connection limit */
tcp_portmon_set_max_connections(0);
#endif
/* handle command line parameters that don't change configs */

View File

@ -234,7 +234,7 @@ struct x11_info {
#endif
#ifdef TCP_PORT_MONITOR
#include "libtcp-portmon.h"
#include "tcp-portmon.h"
#endif
enum {
@ -363,9 +363,6 @@ struct information {
struct process *memu[10];
struct process *first_process;
unsigned long looped;
#ifdef TCP_PORT_MONITOR
tcp_port_monitor_collection_t *p_tcp_port_monitor_collection;
#endif
struct entropy_s entropy;
double music_player_interval;

157
src/tcp-portmon.c Normal file
View File

@ -0,0 +1,157 @@
/* tcp-portmon.c - libtcp-portmon hooks
*
* Copyright (C) 2008 Phil Sutter <Phil@nwl.cc>
*
* 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 3 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, see <http://www.gnu.org/licenses/>.
*
* $Id$
*
*/
#include "conky.h"
#include "tcp-portmon.h"
#include "libtcp-portmon.h"
static tcp_port_monitor_collection_t *pmc = NULL;
static tcp_port_monitor_args_t pma;
int tcp_portmon_init(const char *arg, struct tcp_port_monitor_data *pmd)
{
int argc, port_begin, port_end, item, connection_index;
char itembuf[32];
memset(itembuf, 0, sizeof(itembuf));
connection_index = 0;
/* massive argument checking */
if (!arg) {
CRIT_ERR("tcp_portmon: needs arguments");
}
argc = sscanf(arg, "%d %d %31s %d", &port_begin, &port_end, itembuf,
&connection_index);
if ((argc != 3) && (argc != 4)) {
CRIT_ERR("tcp_portmon: requires 3 or 4 arguments");
}
if ((port_begin < 1) || (port_begin > 65535) || (port_end < 1)
|| (port_end > 65535)) {
CRIT_ERR("tcp_portmon: port values must be from 1 to 65535");
}
if (port_begin > port_end) {
CRIT_ERR("tcp_portmon: starting port must be <= ending port");
}
if (strncmp(itembuf, "count", 31) == EQUAL) {
item = COUNT;
} else if (strncmp(itembuf, "rip", 31) == EQUAL) {
item = REMOTEIP;
} else if (strncmp(itembuf, "rhost", 31) == EQUAL) {
item = REMOTEHOST;
} else if (strncmp(itembuf, "rport", 31) == EQUAL) {
item = REMOTEPORT;
} else if (strncmp(itembuf, "rservice", 31) == EQUAL) {
item = REMOTESERVICE;
} else if (strncmp(itembuf, "lip", 31) == EQUAL) {
item = LOCALIP;
} else if (strncmp(itembuf, "lhost", 31) == EQUAL) {
item = LOCALHOST;
} else if (strncmp(itembuf, "lport", 31) == EQUAL) {
item = LOCALPORT;
} else if (strncmp(itembuf, "lservice", 31) == EQUAL) {
item = LOCALSERVICE;
} else {
CRIT_ERR("tcp_portmon: invalid item specified");
}
if ((argc == 3) && (item != COUNT)) {
CRIT_ERR("tcp_portmon: 3 argument form valid only for \"count\" "
"item");
}
if ((argc == 4) && (connection_index < 0)) {
CRIT_ERR("tcp_portmon: connection index must be non-negative");
}
/* ok, args looks good. save the text object data */
pmd->port_range_begin = (in_port_t) port_begin;
pmd->port_range_end = (in_port_t) port_end;
pmd->item = item;
pmd->connection_index = connection_index;
/* if the port monitor collection hasn't been created,
* we must create it */
if (!pmc) {
pmc = create_tcp_port_monitor_collection();
if (!pmc) {
CRIT_ERR("tcp_portmon: unable to create port monitor "
"collection");
}
}
/* if a port monitor for this port does not exist,
* create one and add it to the collection */
if (find_tcp_port_monitor(pmc, port_begin, port_end) == NULL) {
tcp_port_monitor_t *p_monitor = create_tcp_port_monitor(port_begin,
port_end, &pma);
if (!p_monitor) {
CRIT_ERR("tcp_portmon: unable to create port monitor");
}
/* add the newly created monitor to the collection */
if (insert_tcp_port_monitor_into_collection(pmc, p_monitor) != 0) {
CRIT_ERR("tcp_portmon: unable to add port monitor to "
"collection");
}
}
return 0;
}
int tcp_portmon_action(char *p, int p_max_size, struct tcp_port_monitor_data *pmd)
{
tcp_port_monitor_t *p_monitor;
/* grab a pointer to this port monitor */
p_monitor = find_tcp_port_monitor(pmc, pmd->port_range_begin,
pmd->port_range_end);
if (!p_monitor) {
snprintf(p, p_max_size, "monitor not found");
return 1;
}
/* now grab the text of interest */
if (peek_tcp_port_monitor(p_monitor, pmd->item,
pmd->connection_index, p, p_max_size) != 0) {
snprintf(p, p_max_size, "monitor peek error");
return 1;
}
return 0;
}
int tcp_portmon_update(void)
{
update_tcp_port_monitor_collection(pmc);
return 0;
}
int tcp_portmon_clear(void)
{
destroy_tcp_port_monitor_collection(pmc);
pmc = NULL;
return 0;
}
int tcp_portmon_set_max_connections(int max)
{
if (max <= 0) {
pma.max_port_monitor_connections =
MAX_PORT_MONITOR_CONNECTIONS_DEFAULT;
} else {
pma.max_port_monitor_connections = max;
}
return (max < 0) ? 1 : 0;
}

42
src/tcp-portmon.h Normal file
View File

@ -0,0 +1,42 @@
/* tcp-portmon.h - libtcp-portmon hooks protoypes
*
* Copyright (C) 2008 Phil Sutter <Phil@nwl.cc>
*
* 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 3 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, see <http://www.gnu.org/licenses/>.
*
* $Id$
*
*/
#ifndef _TCP_PORTMON_H
#define _TCP_PORTMON_H
#include "libtcp-portmon.h"
struct tcp_port_monitor_data {
/* starting port to monitor */
in_port_t port_range_begin;
/* ending port to monitor */
in_port_t port_range_end;
/* enum from libtcp-portmon.h, e.g. COUNT, etc. */
int item;
/* 0 to n-1 connections. */
int connection_index;
};
int tcp_portmon_init(const char *, struct tcp_port_monitor_data *);
int tcp_portmon_action(char *, int, struct tcp_port_monitor_data *);
int tcp_portmon_update(void);
int tcp_portmon_clear(void);
int tcp_portmon_set_max_connections(int);
#endif /* _TCP_PORTMON_H */