work on server handling multiple clients with a fd set

1 files changed, 29 insertions, 6 deletions

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