first commit

CS4210/Project 2/server/src/main.c

@@ -0,0 +1,82 @@
+#include <stdio.h>
+#include <pthread.h>
+#include <stdlib.h>
+
+#include <signal.h>
+#include <unistd.h>
+#include <sys/types.h>
+
+#include "include/sock_lib.h"
+#include "include/settings.h"
+#include "../../common/defs.h"
+#include "../../common/thread_pool/thread_pool.h"
+#include "../../common/shared_memory/shared_memory.h"
+
+/* signal handler for SIGINT */
+void catch_int(int sig_num)
+{
+    // TODO: Insert memory freeing stuff here    
+    printf("Signal %d received\n", sig_num);
+    printf("Destroying the Shared Memory Segments...\n");
+    destroy_shared_memory();
+    printf("Done!\n");
+
+    exit(1);
+}
+
+int main(int argc, char** argv) {
+
+    settings_t settings;
+    int c = '\0'; //character to get
+
+    #ifndef LINUX
+        sigset_t   newmask; 
+        sigset_t   oldmask; 
+        sigemptyset(&newmask);
+        sigaddset(&newmask, SIGPIPE);
+        if (sigprocmask(SIG_BLOCK, &newmask, &oldmask) < 0) 
+        {
+            fprintf(stderr, "can't set signal mask\n");
+            exit(1);
+        } 
+    #endif
+
+    printf("* Beginning l33t_server Initialization *\n\n");
+
+    init_settings(&settings, argc, argv);
+
+    printf("** Using %d threads\n",settings.MAX_THREADS);
+    printf("** Using home_dir: %s\n",settings.LOAD_DIR);   
+    printf( (settings.useSHMEM == 0 ? "** Not " : "** "));
+    printf( "Using Shared Memory.\n");    
+ 
+    if (settings.useSHMEM) {
+        // Mask signals (fancy, isn't it?)
+        signal(SIGINT,  catch_int);
+        signal(SIGABRT, catch_int);
+        signal(SIGSEGV, catch_int);
+        signal(SIGTERM, catch_int);
+        signal(SIGBUS,  catch_int);
+    
+        init_shared_memory();
+    }
+    
+    if (chdir(settings.LOAD_DIR) < 0) {
+        printf("*** Error setting home directory..Exiting\n");
+        exit(1);
+    }
+
+
+    printf("* l33t_server started *\n\n");
+
+    init_thread_pool(&(settings.PORT_NUMBER), settings.MAX_THREADS, 
+					producer, consumer, &settings);
+    
+    while (getchar() != 'q');
+    
+    if (settings.useSHMEM) {
+        catch_int(SIGINT);
+    }
+    
+    return EXIT_SUCCESS;
+}