1 files changed, 81 insertions, 0 deletions
diff --git a/support/ltsm/ltsm_with_hash.h b/support/ltsm/ltsm_with_hash.h
new file mode 100644
index 0000000..0404f3d
--- /dev/null
+++ b/support/ltsm/ltsm_with_hash.h
@@ -0,0 +1,81 @@
+#ifndef LTSM_H_
+#define LTSM_H_
+
+#include <netinet/ip.h>
+#include <netinet/ip6.h>
+#include <netinet/tcp.h>
+#include "mesa_net.h"
+/*
+	LTSM : Light TCP State Machine.
+	
+*/
+
+/* RFC��׼TCPЭ��ջ״̬������ */
+enum full_tcp_state{
+	FTSM_CLOSED,
+	FTSM_LISTEN,
+	FTSM_SYN_SENT,
+	FTSM_SYN_RCVD,
+	FTSM_ESTABLISHED,
+	FTSM_CLOSE_WAIT,
+	FTSM_LAST_ACK,
+	FTSM_FIN_WAIT1,
+	FTSM_FIN_WAIT2,
+	FTSM_CLOSING,
+	FTSM_TIME_WAIT,
+};
+
+/* 
+	����TCP״̬������, 
+	ֻ������״̬:�½�����, ��������, ��������, 
+	ÿ�����ض�����1��START��1��CLOSE״̬, ���ܰ���0�����ɸ�DATA״̬.
+*/
+enum light_tcp_state{
+	LTSM_START,
+	LTSM_DATA,
+	LTSM_CLOSE,
+	LTSM_INVALID,
+};
+
+
+enum light_tsm_opt{
+	LTSMO_THREAD_NUM,		/* �߳�����, ѡ������:uint32 */
+	LTSMO_CREATE_MODE,		/* ������ģʽ, 1:�������SYN; 2:�������ݰ��ɴ���, ѡ������:uint32 */
+	LTSMO_MAX_STREAM_NUM,	/* TCP��󲢷�������, forÿ���߳�, ѡ������:uint32 */
+	LTSMO_STREAM_TIMEOUT,	/* ����ʱ��̭ʱ��, ��λ:��, 0��ʾ����ʱ. ѡ������:uint32 */
+};
+
+struct ltsm_result{
+	enum full_tcp_state fstate;
+	enum light_tcp_state lstate;
+	void *pme;
+};
+
+typedef void * ltsm_global_handle;
+typedef void * ltsm_stream_handle;
+
+/* ltsmȫ�־����ʼ�� */
+void *ltsm_init(void);
+
+/* ltsm������ز��� */
+int ltsm_set_opt(ltsm_global_handle pltsm, enum light_tsm_opt opt, void *value, int value_len);
+
+/* ltsm���� */
+int ltsm_run(ltsm_global_handle pltsm);
+
+/* IPv4������, ���ص�ǰ��������ltsm״̬�����, pme�����ⲿ�����ߴ洢�Զ�������, �ڴ�������������ͷ� */
+struct ltsm_result *ltsm_proc_ip4pkt(ltsm_global_handle pltsm, int tseq, const struct ip *ip4hdr);
+
+/* IPv4��ͷ+TCP��ͷ����, ���ص�ǰ��������ltsm״̬�����, pme�����ⲿ�����ߴ洢�Զ�������, �ڴ�������������ͷ� */
+struct ltsm_result *ltsm_proc_ip4tcppkt(ltsm_global_handle pltsm, int tseq, const struct ip *ip4hdr, const struct tcphdr *tcp_hdr);
+
+/* IPv6������, ���ص�ǰ��������ltsm״̬�����, pme�����ⲿ�����ߴ洢�Զ�������, �ڴ�������������ͷ� */
+struct ltsm_result *ltsm_proc_ip6pkt(ltsm_global_handle pltsm, int tseq, const struct ip6_hdr *ip6hdr);
+
+/* IPv6��ͷ+TCP��ͷ����, ���ص�ǰ��������ltsm״̬�����, pme�����ⲿ�����ߴ洢�Զ�������, �ڴ�������������ͷ� */
+struct ltsm_result *ltsm_proc_ip6tcppkt(ltsm_global_handle pltsm, int tseq, const struct ip6_hdr *ip6hdr, const struct tcphdr *tcp_hdr);
+
+uint8_t ltsm_proc_ipv4tcppkt(ltsm_stream_handle s_ltsm, const struct mesa_ip4_hdr *iphdr);
+
+void ltsm_destroy_stream_handle(ltsm_stream_handle s_ltsm);
+#endif
+\ No newline at end of file