equilibrium2-classify_data.c File Reference

Equilibrium II classify service data functions. More...

#include <sync/equilibrium2.h>
#include <sync/equilibrium2_svc.h>
#include "equilibrium2-classify.h"
#include <netinet/in_systm.h>
#include <netinet/in.h>
#include <netinet/ip.h>
#include <netinet/tcp.h>
#include <sys/jnx/jbuf.h>
#include <jnx/mpsdk.h>
#include <jnx/msp_objcache.h>
#include <jnx/multi-svcs/msvcs_flow.h>
#include <jnx/multi-svcs/msvcs_plugin.h>
#include <jnx/multi-svcs/msvcs_session.h>

Go to the source code of this file.

Functions
static uint16_t	ip_cksum (void *buf, int len)
static uint16_t	tcp_cksum (uint16_t len, void *src_addr, void *dst_addr, void *buf)
static int	take_action (void)
static int	first_pkt_proc (void)
static void	session_close (void)
int	equilibrium2_classify_data_hdlr (msvcs_data_context_t *ctx, msvcs_data_event_t ev)
Variables
static msvcs_data_context_t *	data_ctx

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Detailed Description

Equilibrium II classify service data functions.

Definition in file equilibrium2-classify_data.c.

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Function Documentation

int equilibrium2_classify_data_hdlr	(	msvcs_data_context_t *	ctx,
		msvcs_data_event_t	ev
	)

Data event handler.

Parameters:

[in]	ctx	Pointer to data context.
[in]	ev	Data event.

Returns:

Data handler status code

Definition at line 383 of file equilibrium2-classify_data.c.

References classify_ev_class, classify_pid, data_ctx, EQ2_BALANCE_SVC_NAME, EV_CLASSIFY_FIRST_PACKET, first_pkt_proc(), session_close(), and take_action().

Referenced by equilibrium2_classify_entry().

static int first_pkt_proc

(

void

)

[static]

Process the first packet.

Returns:

Status code

Definition at line 188 of file equilibrium2-classify_data.c.

References data_ctx, get_svc_set(), svc_set_lock, and TERM_FROM_SVC_TYPE.

Referenced by equilibrium2_classify_data_hdlr().

static uint16_t ip_cksum	(	void *	buf,
		int	len
	)			[static]

Calculate IP header checksum.

Parameters:

[in]	buf	Pointer to IP header
[in]	len	Length of IP header

Returns:

The checksum with network order

Definition at line 50 of file equilibrium2-classify_data.c.

Referenced by take_action().

static void session_close

(

void

)

[static]

Free related resource when session was closed.

Definition at line 286 of file equilibrium2-classify_data.c.

References classify_pid, ctrl_ctx, data_ctx, del_svc_set(), EQ2_CLASSIFY_SVC_NAME, get_svc_set(), blob_svc_set_s::ss_gen_num, sp_svc_set_s::ss_policy, sp_svc_set_s::ss_ssn_count, blob_svc_set_s::ss_svc_id, and svc_set_lock.

Referenced by equilibrium2_classify_data_hdlr().

static int take_action

(

void

)

[static]

Take action.

Returns:

Status code

Definition at line 127 of file equilibrium2-classify_data.c.

References classify_pid, data_ctx, ip_cksum(), and tcp_cksum().

Referenced by equilibrium2_classify_data_hdlr().

static uint16_t tcp_cksum	(	uint16_t	len,
		void *	src_addr,
		void *	dst_addr,
		void *	buf
	)			[static]

Calculate TCP checksum.

Parameters:

[in]	len	Length of TCP segment in byte
[in]	src_addr	Pointer to the source IP address
[in]	dst_addr	Pointer to the destination IP address
[in]	buf	Pointer to the TCP packet

Returns:

The checksum with network order

Definition at line 89 of file equilibrium2-classify_data.c.

Referenced by take_action().

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Variable Documentation

msvcs_data_context_t* data_ctx [static]

global copy of data context

Definition at line 35 of file equilibrium2-classify_data.c.

Referenced by equilibrium2_classify_data_hdlr(), first_pkt_proc(), session_close(), and take_action().

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