Move main() out of damon.c

This commit is contained in:
Pierre Pronchery 2016-02-04 00:57:10 +01:00
parent 9d5294110f
commit 57d9dc9b82
4 changed files with 200 additions and 67 deletions

82
src/damon-main.c Normal file
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@ -0,0 +1,82 @@
/* $Id$ */
/* Copyright (c) 2016 Pierre Pronchery <khorben@defora.org> */
/* This file is part of DeforaOS Network Probe */
/* 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, version 3 of the License.
*
* 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/>. */
#include <unistd.h>
#include <stdio.h>
#include "damon.h"
#include "../config.h"
/* constants */
#ifndef PROGNAME
# define PROGNAME "DaMon"
#endif
/* functions */
/* private */
/* prototypes */
static int _damon(char const * config);
static int _damon_usage(void);
/* public */
/* functions */
/* damon */
static int _damon(char const * config)
{
DaMon * damon;
Event * event;
if((damon = damon_new(config)) == NULL)
return 1;
event = damon_get_event(damon);
if(event_loop(event) != 0)
error_print(PROGNAME);
damon_delete(damon);
return 1;
}
/* damon_usage */
static int _damon_usage(void)
{
fputs("Usage: " PROGNAME " [-f filename]\n"
" -f\tConfiguration file to load\n", stderr);
return 1;
}
/* main */
int main(int argc, char * argv[])
{
int o;
char const * config = NULL;
while((o = getopt(argc, argv, "f:")) != -1)
switch(o)
{
case 'f':
config = optarg;
break;
default:
return _damon_usage();
}
if(optind != argc)
return _damon_usage();
return (_damon(config) == 0) ? 0 : 2;
}

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@ -27,8 +27,10 @@
#include <errno.h>
#include <System.h>
#include <System/App.h>
#include "damon.h"
#include "../config.h"
/* constants */
#ifndef PREFIX
# define PREFIX "/usr/local"
#endif
@ -46,8 +48,6 @@
/* DaMon */
/* private */
/* types */
typedef struct _DaMon DaMon;
typedef struct _Host
{
DaMon * damon;
@ -73,40 +73,77 @@ struct _DaMon
/* prototypes */
static int _damon_init(DaMon * damon, char const * config, Event * event);
static void _damon_destroy(DaMon * damon);
static int _damon_perror(char const * message, int error);
static int _damon_refresh(DaMon * damon);
/* functions */
/* public */
/* damon */
static int _damon_init(DaMon * damon, char const * config);
static void _damon_destroy(DaMon * damon);
static int _damon(char const * config)
/* essential */
/* damon_new */
DaMon * damon_new(char const * config)
{
DaMon damon;
DaMon * damon;
Event * event;
if(_damon_init(&damon, config) != 0)
return 1;
if(event_loop(damon.event) != 0)
error_print(PROGNAME);
_damon_destroy(&damon);
return 1;
if((event = event_new()) == NULL)
return NULL;
/* FIXME let event be deleted eventually */
if((damon = damon_new_event(config, event)) == NULL)
{
event_delete(event);
return NULL;
}
return damon;
}
/* _damon_init */
static int _init_config(DaMon * damon, char const * filename);
static int _damon_refresh(DaMon * damon);
/* damon_new_event */
DaMon * damon_new_event(char const * config, Event * event)
{
DaMon * damon;
static int _damon_init(DaMon * damon, char const * filename)
if((damon = object_new(sizeof(*damon))) == NULL)
return NULL;
_damon_init(damon, config, event);
return damon;
}
/* damon_delete */
void damon_delete(DaMon * damon)
{
_damon_destroy(damon);
object_delete(damon);
}
/* accessors */
/* damon_get_event */
Event * damon_get_event(DaMon * damon)
{
return damon->event;
}
/* private */
/* functions */
/* damon_init */
static int _init_config(DaMon * damon, char const * filename);
static int _init_config_hosts(DaMon * damon, Config * config,
char const * hosts);
static int _damon_init(DaMon * damon, char const * config, Event * event)
{
struct timeval tv;
if(_init_config(damon, filename) != 0)
if(_init_config(damon, config) != 0)
return 1;
if((damon->event = event_new()) == NULL)
return error_print(PROGNAME);
damon->event = event;
_damon_refresh(damon);
tv.tv_sec = damon->refresh;
tv.tv_usec = 0;
@ -115,9 +152,6 @@ static int _damon_init(DaMon * damon, char const * filename)
return 0;
}
/* _init_config */
static int _config_hosts(DaMon * damon, Config * config, char const * hosts);
static int _init_config(DaMon * damon, char const * filename)
{
Config * config;
@ -151,14 +185,15 @@ static int _init_config(DaMon * damon, char const * filename)
#endif
}
if((p = config_get(config, "", "hosts")) != NULL)
_config_hosts(damon, config, p);
_init_config_hosts(damon, config, p);
config_delete(config);
return 0;
}
static int _hosts_host(DaMon * damon, Config * config, Host * host,
char const * h, unsigned int pos);
static int _config_hosts(DaMon * damon, Config * config, char const * hosts)
static int _init_config_hosts(DaMon * damon, Config * config,
char const * hosts)
{
char const * h = hosts;
unsigned int pos = 0;
@ -260,6 +295,8 @@ static char ** _host_comma(char const * line)
return NULL;
}
/* damon_destroy */
static void _damon_destroy(DaMon * damon)
{
unsigned int i;
@ -274,6 +311,18 @@ static void _damon_destroy(DaMon * damon)
free(damon->hosts);
}
/* useful */
/* damon_perror */
static int _damon_perror(char const * message, int ret)
{
return error_set_print(PROGNAME, ret, "%s%s%s\n",
message ? message : "",
message ? ": " : "", strerror(errno));
}
/* damon_refresh */
static AppClient * _refresh_connect(Host * host, Event * event);
static int _refresh_uptime(AppClient * ac, Host * host, char * rrd);
static int _refresh_load(AppClient * ac, Host * host, char * rrd);
@ -283,6 +332,7 @@ static int _refresh_procs(AppClient * ac, Host * host, char * rrd);
static int _refresh_users(AppClient * ac, Host * host, char * rrd);
static int _refresh_ifaces(AppClient * ac, Host * host, char * rrd);
static int _refresh_vols(AppClient * ac, Host * host, char * rrd);
static int _damon_refresh(DaMon * damon)
{
unsigned int i;
@ -516,42 +566,3 @@ static int _exec(char * argv[])
return _damon_perror("waitpid", -1);
return WEXITSTATUS(status);
}
/* private */
static int _damon_perror(char const * message, int ret)
{
return error_set_print(PROGNAME, ret, "%s%s%s\n",
message ? message : "",
message ? ": " : "", strerror(errno));
}
/* usage */
static int _usage(void)
{
fputs("Usage: " PROGNAME " [-f filename]\n"
" -f\tConfiguration file to load\n", stderr);
return 1;
}
/* main */
int main(int argc, char * argv[])
{
int o;
char const * config = NULL;
while((o = getopt(argc, argv, "f:")) != -1)
switch(o)
{
case 'f':
config = optarg;
break;
default:
return _usage();
}
if(optind != argc)
return _usage();
return (_damon(config) == 0) ? 0 : 2;
}

37
src/damon.h Normal file
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@ -0,0 +1,37 @@
/* $Id$ */
/* Copyright (c) 2016 Pierre Pronchery <khorben@defora.org> */
/* This file is part of DeforaOS Network Probe */
/* 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, version 3 of the License.
*
* 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/>. */
#ifndef DAMON_DAMON_H
# define DAMON_DAMON_H
# include <System.h>
/* DaMon */
/* types */
typedef struct _DaMon DaMon;
/* functions */
DaMon * damon_new(char const * config);
DaMon * damon_new_event(char const * config, Event * event);
void damon_delete(DaMon * damon);
/* accessors */
Event * damon_get_event(DaMon * damon);
#endif /* !DAMON_DAMON_H */

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@ -3,7 +3,7 @@ cflags_force=-W `pkg-config --cflags libApp`
cflags=-Wall -g -O2 -pedantic
ldflags_force=`pkg-config --libs libApp`
ldflags=
dist=Makefile,appbroker.sh
dist=Makefile,appbroker.sh,damon.h
[../data/Probe.h]
type=script
@ -18,11 +18,14 @@ install=$(BINDIR)
[DaMon]
type=binary
sources=damon.c
sources=damon.c,damon-main.c
install=$(BINDIR)
[damon.c]
depends=../config.h
[damon-main.c]
depends=damon.h
[probe.c]
depends=../data/Probe.h,../config.h