初步使用新封包

server.h

@@ -4,4 +4,17 @@
 #define THREADCNT 16
 #define MAXWAITSEC 10
 
+enum SERVERCMD {CMDGET, CMDSET, CMDDEL, CMDCAT, CMDMD5, CMDDAT, CMDACK, CMDEND};
+
+struct CMDPACKET {
+    uint8_t cmd;
+    uint8_t datalen;   // data len is less than 255
+    uint8_t md5[16];   // md5 digest of data below
+    uint8_t data[];    // with TEA encoding, 64 bytes will be 160 bytes
+};
+typedef struct CMDPACKET CMDPACKET;
+
+#define CMDPACKET_HEAD_LEN (1+1+16)
+#define CMDPACKET_LEN_MAX (CMDPACKET_HEAD_LEN+255)
+
 #endif /* _SERVER_H_ */