Reworking threads. Thread states

.vscode/tasks.json

@@ -3,10 +3,15 @@
         {
             "label": "build_start_server",
             "dependsOn": [
-                "CMake: clean rebuild",
+                "cmake-build",
                 "netex_srv-gdbserver"
             ]
         },
+        {
+            "type": "shell",
+            "label": "cmake-build",
+            "command": "cmake --build ."
+        },
         {
             "type": "shell",
             "label": "netex_srv-gdbserver",

src/net/include/nx_curses.h

@@ -11,7 +11,7 @@
 #define CHAT_PREFIX_COLOR 4
 
 
-int execute_ncurses(void);
+unsigned long start_ui(void);
 
 typedef struct scr_size
 {

src/net/tui/nx_curses.c

@@ -1,10 +1,22 @@
+#include <pthread.h>
+
 #include "netex.h"
 #include "nx_curses.h"
 
 bool running;
+pthread_t ui_thread;
+void* ui_routine(void* args);
 
-int execute_ncurses(void)
+
+unsigned long start_ui(void)
 {
+    const int thread_result = pthread_create(&ui_thread, NULL, ui_routine, NULL);
+    return thread_result;
+}
+
+void* ui_routine(void* args)
+{
+    (void)args;
     initscr();
     noecho(); // Stop printing key presses
     if (has_colors() && can_change_color())
@@ -38,5 +50,6 @@ int execute_ncurses(void)
     }
 
     endwin();
-    return 0;
+
+    pthread_exit(0);
 }

src/server/main.c

@@ -1,3 +1,5 @@
+#include <pthread.h>
+
 #include "netex.h"
 #include "server.h"
 
@@ -6,32 +8,48 @@
 // https://stackoverflow.com/questions/40812836/how-to-create-chat-server-using-openssl-in-c
 // https://www.cs.cmu.edu/~srini/15-441/F02/Projects/lab01/reference/part1.pdf
 
+int shutdown(int code);
 
 int main(int argc, char *argv[])
 {
     netex_init();
+
+    const unsigned long ui_thread = start_ui();
+    if (ui_thread != 0)
+    {
+        PRINT_LINE("Failed to start ui thread!");
+        return shutdown(-1);
+    }
+
+    // Start server thread
     
     const int init_result = initialize_server(argc, argv);
     if (init_result)
     {
         WARN("Failed to initialize server. Exiting...");
-        return init_result;
     }
     const int srv_start_result = server_start(); // Is now holding
 
     if (!srv_start_result)
     {
-        netex_shutdown();
-        return srv_start_result;
+        WARN("Error running server...");
     }
 
-    if (!execute_ui())
+    // Join server thread
+
+    int ui_thread_result;
+    const int join_ui = pthread_join(ui_thread, (void**)&ui_thread_result);
+    if (join_ui != 0)
     {
-        PRINT_LINE("Failed to setup srv windows!");
-        getch();
-        return 0;
+        // Something went wrong
+        WARN("Error exiting ui thread! Code: %i", ui_thread_result);
     }
 
+    return shutdown(0);
+}
+
+int shutdown(int code)
+{
     netex_shutdown();
-    return 0;
+    return code;
 }

src/server/server_state.c

@@ -0,0 +1,6 @@
+#include <stdbool.h>
+
+#include "server_state.h"
+
+static bool is_server_running;
+static bool shutdown_requested;

src/server/server_state.h

@@ -0,0 +1,7 @@
+#ifndef SERVER_STATE
+#define SERVER_STATE
+
+extern bool is_server_running;
+extern bool shutdown_requested;
+
+#endif // SERVER_STATE

src/server/srv_ui.c

@@ -13,8 +13,6 @@ void calculate_window_sizes(void);
 
 bool execute_ui(void)
 {
-    // setup_curses(resize_func, keypressed_func, onexit_func);
-    execute_ncurses();
     calculate_window_sizes();
     if (!setup_info_window())
         return false;