supporting changes for proxy server rewrite

src/PSOProtocol.hh

@@ -1,26 +1,30 @@
 #pragma once
 
 #include <inttypes.h>
+#include <event2/bufferevent.h>
+
+#include <functional>
 
 #include "Version.hh"
+#include "PSOEncryption.hh"
 
 struct PSOCommandHeaderPC {
   uint16_t size;
   uint8_t command;
   uint8_t flag;
-};
+} __attribute__((packed));
 
 struct PSOCommandHeaderDCGC {
   uint8_t command;
   uint8_t flag;
   uint16_t size;
-};
+} __attribute__((packed));
 
 struct PSOCommandHeaderBB {
   uint16_t size;
   uint16_t command;
   uint32_t flag;
-};
+} __attribute__((packed));
 
 union PSOCommandHeader {
   PSOCommandHeaderDCGC dc;
@@ -31,10 +35,18 @@ union PSOCommandHeader {
   uint16_t command(GameVersion version) const;
   uint16_t size(GameVersion version) const;
   uint32_t flag(GameVersion version) const;
-};
+
+  PSOCommandHeader();
+} __attribute__((packed));
 
 union PSOSubcommand {
   uint8_t byte[4];
   uint16_t word[2];
   uint32_t dword;
-};
+} __attribute__((packed));
+
+void for_each_received_command(
+    struct bufferevent* bev,
+    GameVersion version,
+    PSOEncryption* crypt,
+    std::function<void(uint16_t, uint16_t, const std::string&)> fn);