Added viewing of saved messages

client.c

@@ -8,6 +8,7 @@
 
 #include "commands.h"
 
+// Make a macro for this cause I'm not typing sizeof twice every time
 #define send(queue_id, msgbuf_ptr)                                             \
   msgsnd(queue_id, msgbuf_ptr, sizeof(*(msgbuf_ptr)) - sizeof(long), 0)
 
@@ -82,24 +83,30 @@ static void input_loop(int server_queue_id, const char *client_id) {
         perror("msgsnd(/msg) failed");
       }
     } else if (strncmp(buffer, "/list ", 6) == 0) {
-        char *offset = buffer + 6;
+      char *offset = buffer + 6;
 
-        if (strcmp(offset, "active") != 0 && strcmp(offset, "all") != 0) {
-            printf("Invalid list type. Use /list active or /list all\n");
-            continue;
-        }
+      if (strcmp(offset, "active") != 0 && strcmp(offset, "all") != 0) {
+        printf("Invalid list type. Use /list active or /list all\n");
+        continue;
+      }
 
-        msgbuf_t msg = {.mtype = List_clients, .sender = ""};
-        strncpy(msg.sender, client_id, COMMAND_LENGTH - 1);
-        strncpy(msg.command, offset, COMMAND_LENGTH - 1);
-        if (send(server_queue_id, &msg) == -1) {
-            perror("msgsnd(/list) failed");
-        }
+      msgbuf_t msg = {.mtype = List_clients, .sender = ""};
+      strncpy(msg.sender, client_id, COMMAND_LENGTH - 1);
+      strncpy(msg.command, offset, COMMAND_LENGTH - 1);
+      if (send(server_queue_id, &msg) == -1) {
+        perror("msgsnd(/list) failed");
+      }
     } else if (strncmp(buffer, "/mute ", 6) == 0) {
       // handle mute
     } else if (strcmp(buffer, "/quit") == 0) {
       // TODO: Would be nice to have a way to gracefully logout and not just
       // depend on heartbeats, maybe
+    } else if (strncmp(buffer, "/inbox", 8) == 0) {
+      msgbuf_t msg = {.mtype = Inbox, .sender = ""};
+      strncpy(msg.sender, client_id, COMMAND_LENGTH - 1);
+      if (send(server_queue_id, &msg) == -1) {
+        perror("msgsnd(/mailbox) failed");
+      }
     } else {
       printf("Unknown command\n");
     }
@@ -161,7 +168,7 @@ int main(int argc, char *argv[]) {
     return 1;
   }
 
-  printf("Login accepted for id '%s'\n", client_id);
+  printf("Login accepted. Welcome, %s!\n", resp.command);
 
   if (fork() == 0) {
     heartbeat_loop(server_queue_id, client_id);
@@ -200,6 +207,22 @@ int main(int argc, char *argv[]) {
       }
       break;
     }
+    case Inbox: {
+      // Upon recieving an inbox message, check the command field for the index
+      // Index of 0 means that there are messages in the mailbox
+      if (strcmp(incoming.command, "0") == 0) {
+        printf("You have messages in your mailbox!\n");
+        continue;
+      }
+
+      // Index of 1 is just the first message so print a header
+      if (strcmp(incoming.command, "1") == 0) {
+        printf("Your inbox messages:\n");
+      }
+      printf("[%s] %s: %s\n", incoming.command, incoming.sender,
+             incoming.message);
+      break;
+    }
     case Signal:
       // Tell the user if the previous message was accepted and/or delivered
       if (incoming.stype == ACK_ACCEPTED) {