From 30c1c1b9c8c7473df753c0a145daaf69d6d05e76 Mon Sep 17 00:00:00 2001
From: Quentin Dufour <quentin.dufour@inria.fr>
Date: Mon, 11 Feb 2019 18:56:52 +0100
Subject: [PATCH] WIP event core + GLib

---
 CMakeLists.txt |  9 ++++++++-
 src/evt_core.c | 46 ++++++++++++++++++++++++++++++++++++++++++++++
 src/evt_core.h | 29 +++++++++++++++++++++++++++++
 3 files changed, 83 insertions(+), 1 deletion(-)
 create mode 100644 src/evt_core.c
 create mode 100644 src/evt_core.h

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 4108794..516e327 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,7 +1,6 @@
 cmake_minimum_required(VERSION 2.6)
 project(donar)
 
-
 list(APPEND CSOURCES
 	src/net_tools.h
 	src/net_tools.c
@@ -15,10 +14,18 @@ list(APPEND CSOURCES
 	src/donar_client.c
 	src/donar_server.h
 	src/donar_server.c
+	src/evt_core.h
+	src/evt_core.c
 )
 
 add_executable(donar-proxy ${CSOURCES} src/donar_proxy.c)
 
+find_package(PkgConfig REQUIRED)
+pkg_search_module(GLIB REQUIRED glib-2.0)
+target_include_directories(donar-proxy PRIVATE ${GLIB_INCLUDE_DIRS})
+target_link_libraries(donar-proxy ${GLIB_LDFLAGS})
+
+
 install(TARGETS donar-proxy
         RUNTIME DESTINATION bin
         LIBRARY DESTINATION lib)
\ No newline at end of file
diff --git a/src/evt_core.c b/src/evt_core.c
new file mode 100644
index 0000000..af2ffa9
--- /dev/null
+++ b/src/evt_core.c
@@ -0,0 +1,46 @@
+#include "evt_core.h"
+
+void free_int(void* v) {
+  free(v);
+}
+
+void free_char(void* c) {
+  free(c);
+}
+
+void free_cat(void* vcat) {
+  struct evt_core_cat* cat = (struct evt_core_cat*) vcat;
+  cat->free_app_ctx(cat->app_ctx);
+}
+
+void evt_core_init(struct evt_core_ctx* ctx) {
+  ctx->epollfd = epoll_create1(0);
+  if (ctx->epollfd == -1) {
+    perror("Failed to create epoll file descriptor epoll_create1");
+    exit(EXIT_FAILURE);
+  }
+
+  ctx->catlist = g_hash_table_new_full(g_str_hash, g_str_equal,free_char,free_cat);
+  ctx->socklist = g_hash_table_new_full(g_int_hash, g_int_equal,free_int, NULL);
+}
+
+void evt_core_add_cat(struct evt_core_cat* cat) {
+  struct evt_core_cat* dyn = NULL;
+  dyn = malloc(sizeof(struct evt_core_cat));
+  if (dyn == NULL) {
+    fprintf(stderr, "Failed to alloc memory");
+    exit(EXIT_FAILURE);
+  }
+  dyn->app_ctx = cat->app_ctx;
+  dyn->free_app_ctx = cat->free_app_ctx;
+  dyn->cb = cat->cb;
+  dyn->name = strdup(cat->name);
+  dyn->flags = cat->flags;
+
+  if (dyn->name == NULL) {
+    perror("Unable to allocate memory for category name via strdup");
+    exit(EXIT_FAILURE);
+  }
+
+
+}
diff --git a/src/evt_core.h b/src/evt_core.h
new file mode 100644
index 0000000..f434c4a
--- /dev/null
+++ b/src/evt_core.h
@@ -0,0 +1,29 @@
+#pragma once
+#include <stdlib.h>
+#include <stdio.h>
+#include <sys/epoll.h>
+#include <glib-2.0/glib.h>
+#include <glib-2.0/gmodule.h>
+#include <glib-2.0/glib-object.h>
+
+struct evt_core_ctx;
+struct evt_core_cat;
+
+typedef void (*evt_core_free_app_ctx)(void*);
+typedef void (*evt_core_cb)(struct evt_core_ctx*, struct evt_core_cat*);
+
+struct evt_core_cat {
+  void* app_ctx;
+  evt_core_free_app_ctx free_app_ctx;
+  evt_core_cb cb;
+  char* name;
+  int flags;
+};
+
+struct evt_core_ctx {
+  int epollfd;
+  GHashTable* catlist;
+  GHashTable* socklist;
+};
+
+void evt_core_init(struct evt_core_ctx* ctx);