Minor changes

src/publisher.c

@@ -79,7 +79,25 @@ int main (int argc, char *argv [])
 void publish(void *publisher, char *filepath, char* client, long int interval){
     printf("Publish!\n");
     char buffer[ZMQ_MSG_SIZE];
-    sprintf(buffer,"%s\n%s\n%ld",ZMQ_TOKEN,__key,interval);
-    // TODO: Send every lines of the file
+    sprintf(buffer,"%s\n%s\n%ld\n",ZMQ_TOKEN,__key,interval);
+    int msglen=strlen(buffer);
+
+    FILE *fptr;
+    char * line = NULL;
+    size_t len = 0;
+    ssize_t read;
+    fptr=fopen(filepath,"r");
+    while ((read = getline(&line, &len, fptr)) != -1) {
+        if((read+msglen) <ZMQ_MSG_SIZE){
+            strcat(buffer,line);
+            msglen+=read;
+        } else {
+            zmq_send (publisher, buffer, ZMQ_MSG_SIZE, 0);
+            sprintf(buffer,"%s\n%s\n%ld\n",ZMQ_TOKEN,__key,interval);
+            strcat(buffer,line);
+            msglen=strlen(buffer);
+        }
+    }
+    fclose(fptr);
     zmq_send (publisher, buffer, ZMQ_MSG_SIZE, 0);
 }

src/utils.h

@@ -9,7 +9,7 @@
 #define INA260_SYSFS "/sys/kernel/ina260"
 #define INA260_POWER_REGISTER "registers/power"
 #define ZMQ_TOKEN "ina260-zmq-publisher"
-#define ZMQ_MSG_SIZE 255
+#define ZMQ_MSG_SIZE 255*10
 
 #define STR(symbol) #symbol
 #define STRINGIFY(symbol) STR(symbol)