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path: root/workspace/customdhcpcd/src/logwriter.c
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#include <sys/types.h>
#include <sys/socket.h>
#include <sys/un.h>
#include <ctype.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <syslog.h>
#include <unistd.h>

#include "common.h"
#include "dhcp.h"
#include "logger.h"
#include "logwriter.h"
#include "status.h"

/*sockets for the logger and the qt-reader */
int sockfd, ns;
int retval;
char *socketName;
char *interfaceName;
char mesg[256] = {0};

void setSocketName(char * sn) {
	socketName = sn;
}

void setInterfaceName(const char * in){
	interfaceName = in;
}

int initQtLoggerSocket() {
	/**
	 * new code. seems to be right.
	 */

	struct sockaddr_un serv_addr;
	fprintf(stdout,"start init \n");
	sockfd = socket(AF_UNIX, SOCK_STREAM, 0);
	if (sockfd < 0) {
		fprintf(stdout,"ERROR opening socket \n");
		retval = sockfd;
		return sockfd;
	}
	serv_addr.sun_family = AF_UNIX;
	strcpy(serv_addr.sun_path, socketName);

	retval = connect(sockfd, (struct sockaddr *) &serv_addr, sizeof(serv_addr));
	if ( retval < 0)
		fprintf(stdout,"ERROR connecting \n");
	fprintf(stdout,"init Qt Logger Socket done \n");
	return retval;
}

void closeQtLoggerSocket (){
	close(sockfd);
}

/*
void logToQt(char * status, char * substatus, char * msg) {
	char * m = malloc(strlen(interfaceName) + strlen(status) + strlen(substatus) + strlen(msg) +4 );
	strcpy(m,interfaceName);
	strcat(m,";");
	strcat(m,status);
	strcat(m,";");
	strcat(m,substatus);
	strcat(m,";");
	strcat(m,msg);
    sendToQt(m);

    free(m);
}
*/


void sendToQt(char *msg) {
	int n = write(sockfd, msg, strlen(msg));
//	fflush(sockfd);
	if (n < 0)
		syslog (LOG_ERR, sprintf("[fbgui] ERROR writing to socket: %s", msg));
//		fprintf(stdout, "ERROR writing to socket: %s", msg);
}

void logToQt(int status, int substatus, const char * msg) {
	if (retval >= 0) {
		char * st = (char *) malloc(sizeof(int) * 4 + 1);
		char * sst = (char *) malloc(sizeof(int) * 4 + 1);
		sprintf(st, "%d", status);
		sprintf(sst, "%d", substatus);
		char * m = (char *) malloc(strlen(interfaceName) + strlen(st) + strlen(
				sst) + strlen(msg) + 4);
		strcpy(m, interfaceName);
		strcat(m, ";");
		strcat(m, st);
		strcat(m, ";");
		strcat(m, sst);
		strcat(m, ";");
		strcat(m, msg);
		sendToQt(m);

		free(st);
		free(sst);
		free(m);
	}
}

void logSendToQt(int type) {
    switch(type) {
    case DHCP_DISCOVER:
    	logToQt(LOG_INFO, DHCP_DISCOVER, "");
    	break;
    case DHCP_OFFER:
    	logToQt(LOG_INFO, DHCP_OFFER, "");
    	break;
    case DHCP_REQUEST:
    	logToQt(LOG_INFO, DHCP_REQUEST, "");
    	break;
    case DHCP_DECLINE:
    	logToQt(LOG_INFO, DHCP_DECLINE, "");
    	break;
    case DHCP_ACK:
    	logToQt(LOG_INFO, DHCP_ACK, "");
    	break;
    case DHCP_NAK:
    	logToQt(LOG_INFO, DHCP_NAK, "");
    	break;
    case DHCP_RELEASE:
    	logToQt(LOG_INFO, DHCP_RELEASE, "");
    	break;
    case DHCP_INFORM:
    	logToQt(LOG_INFO, DHCP_INFORM, "");
    	break;
    default :
    	break;
    }
}

void logLoggerToQt(int level, const char *fmt, va_list args) {
    vsnprintf(mesg, sizeof(mesg), fmt, args);
    strcat(mesg, "\n");
    logToQt(level, 0, mesg);
}