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/*
* (C) 2018 by Christian Hesse <mail@eworm.de>
*
* This software may be used and distributed according to the terms
* of the GNU General Public License, incorporated herein by reference.
*/
#include "udp514-journal.h"
int main(int argc, char **argv) {
int s, rc, n;
socklen_t len;
struct sockaddr_in cliAddr, servAddr;
char buffer[BUFFER_SIZE];
const int y = 1;
/* open socket */
if ((s = socket(AF_INET, SOCK_DGRAM, 0)) < 0) {
perror("could not open socket");
return EXIT_FAILURE;
}
/* bind local socket port */
servAddr.sin_family = AF_INET;
servAddr.sin_addr.s_addr = htonl(INADDR_ANY);
servAddr.sin_port = htons(LOCAL_SERVER_PORT);
setsockopt(s, SOL_SOCKET, SO_REUSEADDR, &y, sizeof(int));
if ((rc = bind(s, (struct sockaddr *) &servAddr, sizeof(servAddr))) < 0) {
perror("could not bind on port " LOCAL_SERVER_PORT_STR);
return EXIT_FAILURE;
}
/* tell systemd we are ready to go... */
sd_notify(0, "READY=1\nSTATUS=Listening for syslog input...");
/* server loop */
while (1) {
memset(buffer, 0, BUFFER_SIZE);
len = sizeof(cliAddr);
n = recvfrom(s, buffer, BUFFER_SIZE, 0,
(struct sockaddr *) &cliAddr, &len);
if (n < 0) {
perror("could not receive data");
continue;
}
/* send to systemd-journald */
sd_journal_send("MESSAGE=%s: %s", inet_ntoa(cliAddr.sin_addr), buffer,
"IP_ADDRESS=%s", inet_ntoa(cliAddr.sin_addr),
NULL);
}
return EXIT_SUCCESS;
}
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