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#include "config.h"
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <netinet/in.h>
#include <netdb.h>
#include <string.h>
/* OpenBSD*/
#ifdef HAVE_SYS_SOCKET_H
#include <sys/socket.h>
#endif
#include <signal.h>
#include <time.h>
#include "common.h"
void signal_handler( int sig )
{
if( SIGALRM == sig )
{
signal( SIGALRM, signal_handler );
fprintf(stderr,"Timeout while executing operation.\n");
}
if( SIGQUIT == sig || SIGINT == sig || SIGTERM == sig )
{
/* fprintf(stderr,"\nGot QUIT or INT or TERM signal. Exiting..." ); */
}
exit( FAIL );
}
int send_value(char *server,int port,char *shortname,char *value)
{
int i,s;
char tosend[1024];
char result[1024];
struct hostent *hp;
struct sockaddr_in myaddr_in;
struct sockaddr_in servaddr_in;
struct linger ling;
servaddr_in.sin_family=AF_INET;
hp=gethostbyname(server);
if(hp==NULL)
{
return FAIL;
}
servaddr_in.sin_addr.s_addr=((struct in_addr *)(hp->h_addr))->s_addr;
servaddr_in.sin_port=htons(port);
s=socket(AF_INET,SOCK_STREAM,0);
if(s==0)
{
return FAIL;
}
ling.l_onoff=1;
ling.l_linger=0;
if(setsockopt(s,SOL_SOCKET,SO_LINGER,&ling,sizeof(ling))==-1)
{
/* Ignore */
}
myaddr_in.sin_family = AF_INET;
myaddr_in.sin_port=0;
myaddr_in.sin_addr.s_addr=INADDR_ANY;
if( connect(s,(struct sockaddr *)&servaddr_in,sizeof(struct sockaddr_in)) == -1 )
{
close(s);
return FAIL;
}
sprintf(tosend,"%s:%s\n",shortname,value);
if( sendto(s,tosend,strlen(tosend),0,(struct sockaddr *)&servaddr_in,sizeof(struct sockaddr_in)) == -1 )
{
perror("sendto");
close(s);
return FAIL;
}
i=sizeof(struct sockaddr_in);
i=recvfrom(s,result,1023,0,(struct sockaddr *)&servaddr_in,(size_t *)&i);
if(s==-1)
{
perror("recfrom");
close(s);
return FAIL;
}
result[i-1]=0;
if(strcmp(result,"OK") == 0)
{
printf("OK\n");
}
if( close(s)!=0 )
{
perror("close");
}
return SUCCEED;
}
int main(int argc, char **argv)
{
int port;
int ret=SUCCEED;
char line[MAX_STRING_LEN+1];
char *s;
signal( SIGINT, signal_handler );
signal( SIGQUIT, signal_handler );
signal( SIGTERM, signal_handler );
signal( SIGALRM, signal_handler );
if(argc == 5)
{
port=atoi(argv[2]);
alarm(SENDER_TIMEOUT);
ret = send_value(argv[1],port,argv[3],argv[4]);
alarm(0);
}
/* No parameters are given */
else if(argc == 1)
{
while(fgets(line,MAX_STRING_LEN,stdin) != NULL)
{
/* printf("[%s]\n",line);*/
alarm(SENDER_TIMEOUT);
s=(char *)strtok(line," ");
while(s!=NULL)
{
printf("[%s]",s);
s=(char *)strtok(NULL," ");
}
alarm(0);
}
}
else
{
printf("Usage: zabbix_sender <Zabbix server> <port> <server:key> <value>\n");
printf("If no arguments are given, zabbix_sender expects list of parameters\n");
printf("from standard input.\n");
ret = FAIL;
}
return ret;
}
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