WIP Measuring latency

src/evt_core.c

@@ -12,7 +12,7 @@ void free_char(void* c) {
 
 void free_cat(void* vcat) {
   struct evt_core_cat* cat = (struct evt_core_cat*) vcat;
-  cat->free_app_ctx(cat->app_ctx);
+  if (cat->free_app_ctx != NULL) cat->free_app_ctx(cat->app_ctx);
   g_array_free(cat->socklist, TRUE);
   free(cat->name);
   free(cat);

src/meas_lat.c

@@ -1,13 +1,49 @@
 #include <stdlib.h>
 #include <stdio.h>
 #include "evt_core.h"
+#include "net_tools.h"
 
-int main(void) {
+struct timer_ctx {
+  uint64_t counter;
+};
+
+void on_udp(struct evt_core_ctx* ctx, struct evt_core_cat* cat, int fd) {
+}
+
+void on_timer(struct evt_core_ctx* ctx, struct evt_core_cat* cat, int fd) {
+}
+
+int main(int argc, char** argv) {
+  printf("~ measlat ~\n");
+  if (argc < 3) exit(EXIT_FAILURE);
+
+  struct timer_ctx apptime = {0};
   struct evt_core_ctx evts = {0};
-  struct evt_core_cat udp_read = {};
-  struct evt_core_cat timer = {};
+  struct evt_core_cat udp_read = {
+    .app_ctx = NULL,
+    .free_app_ctx = NULL,
+    .cb = on_udp,
+    .name = "udp-read",
+    .flags = EPOLLIN | EPOLLET,
+    .socklist = NULL
+  };
+  struct evt_core_cat timer = {
+    .app_ctx = &apptime,
+    .free_app_ctx = NULL,
+    .cb = on_timer,
+    .name = "timer",
+    .flags = EPOLLIN | EPOLLET,
+    .socklist = NULL
+  };
 
   evt_core_init(&evts);
+  evt_core_add_cat (&evts, &udp_read);
+  evt_core_add_cat(&evts, &timer);
+  printf("--- Categories registered\n");
+
+  int udp_sock = create_udp_client (argv[1], argv[2]);
+  evt_core_add_fd (&evts, "udp-read", udp_sock);
+
 
   return 0;
 }