new unix socket stuff

I can't get logfiles to work though

src/hdbd.c

@@ -2,13 +2,20 @@
 #include <stdio.h>
 #include <sys/types.h>
 #include <unistd.h>
+#include <string.h>
+#include <sys/socket.h>
+#include <sys/un.h>
+
+pid_t pid;
+int server_sock;
+struct sockaddr_un server;
+int sockaddr_len;
 
 int main() {
     /* 
      Setup daemon
      Used this for basic idea => https://en.wikipedia.org/wiki/Daemon_(computing)
     */
-    pid_t pid;
     pid_t sid;
 
     pid = fork();
@@ -33,12 +40,68 @@ int main() {
     close(STDOUT_FILENO);
     close(STDERR_FILENO);
 
-    /* TODO: Setup HTTP server */
+    FILE *stdout;
-    /* TODO: API needed */
+    FILE *stderr;
+    /* TODO: switch to mode 'a' later */
+    stdout = fopen("/tmp/out_log.txt", "w");
+    stderr = fopen("/tmp/err_log.txt", "w");
+    if (out_log == NULL || err_log == NULL) {
+        return 1;
+    }
+
+
+    /* Setup Unix Socket */
+    server_sock = socket(AF_UNIX, SOCK_STREAM, 0);
+    if (sock == -1) {
+        return 1;
+    }
+
+    server.sun_family = AF_UNIX;
+    strcpy(server.sun_path, "/tmp/test_sock");
+    unlink(server.sun_path);
+    sockaddr_len = strlen(server.sun_path) + sizeof(server.sun_family);
+
+    if (bind(server_sock, (struct sockaddr*)&server, sockaddr_len) == -1) {
+        return 1;
+    }
+
+    if (listen(server_sock, 3) == -1) {
+        return 1;
+    }
+
+    printf("Listening on %s\n", server.sun_path);
+
 
     /* Actual program */
-    char should_close = 0;
+    int client_sock;
-    while(!should_close) {
+    char receive_buf[1000];
-        sleep(1);
+    char send_buf[1000];
+    memset(receive_buf, 0, sizeof receive_buf);
+    memset(send_buf, 0, sizeof send_buf);
+
+    while(1) {
+        client_sock = accept(sock, NULL, NULL);
+        if (sock2 == -1) {
+            return 1;
         }
+        data_length = recv(sock2, receive_buf, sizeof receive_buf, 0);
+        if (data_length <= 0) {
+            strcpy(send_buf, "Failed to receive any data.");
+            send(client_sock, send_buf, strops_length(send_buf), 0);
+            close(client_sock);
+            continue;
+        }
+
+        if (strops_contains(send_buf, "shutdown now!")) {
+            strcpy(send_buf, "Shutting down.");
+            send(client_sock, send_buf, strops_length(send_buf), 0);
+            close(client_sock);
+            break;
+        }
+
+        close(client_sock);
+    }
+
+    close(server_sock);
+    return 0;
 }