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#include <zmq.h>
#include <assert.h>
#include <signal.h>
#include "utils.h"
unsigned char __stop=0;
void sighandler(int signo){
if (signo == SIGINT){
printf("Stopping...\n");
__stop=1;
}
}
int main (int argc, char *argv [])
{
if(argc != 3){
printf("Usage: %s <port> <cdatadir>",argv[0]);
exit(1);
}
//----- Arguments
int port=atoi(argv[1]);
char *cdatadir=argv[2];
//----- Various inits
mkdirp(cdatadir);
signal(SIGINT,sighandler);
//----- Init ZMQ
void *context = zmq_ctx_new ();
void *subscriber = zmq_socket (context, ZMQ_SUB);
char bindto[STATIC_LEN];
sprintf(bindto,"tcp://*:%d",port);
int rc = zmq_bind (subscriber, bindto);
if(rc!=0){
printf("Failed to bind zmq on %s\n",bindto);
exit(1);
}
rc = zmq_setsockopt (subscriber, ZMQ_SUBSCRIBE,
ZMQ_TOKEN, strlen(ZMQ_TOKEN));
//----- Listen
char buffer[ZMQ_MSG_SIZE];
int size;
while(!__stop){
size=zmq_recv (subscriber, buffer, ZMQ_MSG_SIZE-1, 0);
if(size<=0)
continue;
buffer[size < ZMQ_MSG_SIZE ? size : ZMQ_MSG_SIZE - 1] = '\0';
//----- Read buffer
char *token = strtok(buffer, "\n");
char key[STATIC_LEN];
char client[STATIC_LEN];
long int interval;
FILE *fptr;
int line=1;
while(token != NULL){
if(line==2)
strcpy(key,token);
else if(line==3)
strcpy(client,token);
else if(line==4)
interval=atoi(token);
if(line==4){
double size_mib=size/(1024*1024);
printf("Data received: key=%s client=%s interval=%ld msgsize=%.2lfMiB\n",key, client, interval,size_mib);
char path[STATIC_LEN]="";
// Create dir if not exists:
sprintf(path,"%s/%s/%s/",cdatadir,key,client);
if(!DIR_EXISTS(path)){
mkdirp(path);
}
// Now open output file:
sprintf(path,"%s/%s/%s/%ld",cdatadir,key,client,interval);
fptr=fopen(path,"a");
}
// Write all the measurements:
if(line>4){
fwrite(token, strlen(token), 1, fptr);
//printf("%s\n",token);
fwrite("\n",1,1,fptr);
}
token=strtok(NULL, "\n");
line++;
}
fclose(fptr);
}
zmq_close (subscriber);
zmq_ctx_destroy (context);
return 0;
}
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