From cbfafaabbd846e625796f275b2e843376385cc36 Mon Sep 17 00:00:00 2001
From: sotech117 <michael_foiani@brown.edu>
Date: Fri, 15 Sep 2023 01:10:57 -0400
Subject: work on server handling multiple clients with a fd set

---
 protocol.h | 35 +++++++++++++++++++++++++++++------
 1 file changed, 29 insertions(+), 6 deletions(-)

(limited to 'protocol.h')

diff --git a/protocol.h b/protocol.h
index 0cdc998..b038901 100644
--- a/protocol.h
+++ b/protocol.h
@@ -1,16 +1,39 @@
 #include <stdint.h>  // Provides uint8_t, int8_t, etc.
 
-struct snowcast_message {
-    uint8_t type;
-    uint16_t number;
+// client to server messages (commands)
+
+struct Command {
+    uint8_t commandType;
+    u_int16_t number;
+} __attribute__((packed));
+
+struct Hello {
+    uint8_t commandType;
+    uint16_t udpPort;
+} __attribute__((packed));
+struct SetStation {
+    uint8_t commandType;
+    uint16_t stationNumber;
 } __attribute__((packed));
 
+// server to client message (replies)
 struct Welcome {
     uint8_t replyType;
     uint16_t numStations;
 } __attribute__((packed));
 
-struct Hello {
-    uint8_t commandType;
-    uint16_t udpPort;
+struct Reply {
+    uint8_t replyType;
+    uint8_t stringSize;
+    char *string;
+} __attribute__((packed));
+struct Announce {
+    uint8_t replyType;
+    uint8_t songnameSize;
+    char *songname;
 } __attribute__((packed));
+struct InvalidCommand {
+    uint8_t replyType;
+    uint8_t replyStringSize;
+    char *replyString;
+} __attribute__((packed));
\ No newline at end of file
-- 
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