create new project.v1.0.0

除sapp和插件之外, 其他模块也经常有从某个层跳转到某个层的需求,
从sapp中剥离此部分代码, 独立成为一个公共库.

1 files changed, 113 insertions, 0 deletions

diff --git a/src/deal_ipv6.h b/src/deal_ipv6.h
new file mode 100644
index 0000000..9fe520f
--- /dev/null
+++ b/src/deal_ipv6.h
@@ -0,0 +1,113 @@
+#ifndef __DEAL_IPV6_H_
+#define __DEAL_IPV6_H_
+
+#include <netinet/ip6.h>
+
+#define IPV6_DEBUG						(0)
+
+#define IPV6_FRAG_DUMP				(1 && IPV6_DEBUG)
+
+#define IPV6_MAXPLEN					(65535)
+
+#define IPV6_FRAG_RESERVED_HDR_LEN		(40) /* Ԥ����һ��IPv6��Ƭͷ������ */
+
+//#define IPV6_FRAG_TIMEOUT				(60)			/* ���鳬ʱʱ�� */
+/* 
+	2015-12-02 lijia modify, 
+	��ȻRFC�涨, 60�������з�Ƭ������ɾ��ǺϷ���,
+	���ʵ�����, IPv6��Ƭ�����10���ڻ�δ�������, ����Ϊ�ǹ�����Ϊ�򶪰�, ֱ��free.
+*/
+#define IPV6_FRAG_TIMEOUT				(10)			/* ���鳬ʱʱ�� */
+
+
+#define IPV6_FRAG_MEM_FREE_ONCE		(512*1024)		/* ÿ���ͷ��ڴ����� */
+#define IPV6_FRAG_MEM_HIGH_THRESH		(16*1024*1024)	/* �ڴ����� */
+
+#define IPV6_FRAG_NUM_PER_IPQ			(100)			/* ͬһIPQ����Ƭ���� */
+
+#if IPV6_DEBUG
+#define IPV6_PRINT(fmt, args...) printf(fmt, ##args)
+#else
+#define IPV6_PRINT(fmt, args...) 
+#endif
+
+
+struct simple_ip6_hdr
+{
+    unsigned char ip6_flags[4]; 	/* version, traffic-class, flow-label */
+    u_int16_t ip6_payload_len;  	/* payload length, not contain header */
+    unsigned char ip6_nxt_hdr;      /* next header, same as protocol in IPv4 */
+    unsigned char ip6_hop;          /* hop limit, same as TTL in IPv4 */
+    struct in6_addr ip6_src;		/* source address */
+    struct in6_addr ip6_dst; 		/* dest address */
+};
+
+
+/*
+ *	NextHeader field of IPv6 header
+ */
+#define NEXTHDR_HOP			0	/* Hop-by-hop option header. */
+#define NEXTHDR_IPIP			4	/* IPIP header. */
+#define NEXTHDR_TCP			6	/* TCP segment. */
+#define NEXTHDR_UDP			17	/* UDP message. */
+#define NEXTHDR_IPV6			41	/* IPv6 in IPv6 */
+#define NEXTHDR_ROUTING		43	/* Routing header. */
+#define NEXTHDR_FRAGMENT		44	/* Fragmentation/reassembly header. */
+#define NEXTHDR_ESP			50	/* Encapsulating security payload. */
+#define NEXTHDR_AUTH			51	/* Authentication header. */
+#define NEXTHDR_ICMP			58	/* ICMP for IPv6. */
+#define NEXTHDR_NONE			59	/* No next header */
+#define NEXTHDR_DEST			60	/* Destination options header. */
+#define NEXTHDR_MOBILITY		135	/* Mobility header. */
+
+struct ipv6_opt_hdr{
+	unsigned char	nexthdr;
+	unsigned char	hdrlen;
+	/* 
+	 * TLV encoded option data follows.
+	 */
+} __attribute__((packed));	/* required for some archs */
+
+
+
+/*
+ *	Hop-By-Hop header
+ */
+struct ipv6_hop_hdr{
+	unsigned char	nexthdr;
+	unsigned char	hdrlen;
+};
+
+
+/*
+ *	fragmentation header
+ */
+
+#define IPv6_FRAG_ISF			(1) /* ������һ����Ƭ�� */
+#define IPv6_FRAG_NEW			(2) /* ���յ����з�Ƭ��������ɵ��°� */
+
+#define	IP6_MF					(0x0001)
+
+struct ipv6_frag_hdr{
+	unsigned char	nexthdr;
+	unsigned char	reserved;
+	unsigned short	frag_off;
+	unsigned int	identification;
+};
+
+struct ipv6_frag_key{
+	unsigned int identification;	/* ���п��ܲ�ͬ��ֵ���ڽṹ��ǰ�棬�Ƚ�ʱ���һЩ */
+	int __pad__; /* ����ṹ8�ֽڶ��� */
+	struct in6_addr ip6_src;	/* source address */
+	struct in6_addr ip6_dst; 	/* dest address */
+	struct streaminfo_private *pfstream_pr;
+};
+
+struct ipv6_frag_private{
+	unsigned char raw_next_hdr; /* ԭʼIP���ĵ�һ���ɷ�Ƭ����ͷ������ */
+	int unfragmentable_len; 	/* ԭʼIP���IJ��ɷ�Ƭ���ֳ��� */
+};
+
+
+#endif
+