#ifndef QEMU_COLO_PROXY_H
#define QEMU_COLO_PROXY_H
-#include "slirp/slirp.h"
#include "qemu/jhash.h"
#include "qemu/timer.h"
+#include "net/eth.h"
#define HASHTABLE_MAX_SIZE 16384
int64_t creation_ms;
/* Get vnet_hdr_len from filter */
uint32_t vnet_hdr_len;
+ uint32_t tcp_seq; /* sequence number */
+ uint32_t tcp_ack; /* acknowledgement number */
+ /* the sequence number of the last byte of the packet */
+ uint32_t seq_end;
+ uint8_t header_size; /* the header length */
+ uint16_t payload_size; /* the payload length */
+ /* record the payload offset(the length that has been compared) */
+ uint16_t offset;
+ uint8_t flags; /* Flags(aka Control bits) */
} Packet;
typedef struct ConnectionKey {
/* flag to enqueue unprocessed_connections */
bool processing;
uint8_t ip_proto;
+ /* record the sequence number that has been compared */
+ uint32_t compare_seq;
+ /* the maximum of acknowledgement number in primary_list queue */
+ uint32_t pack;
+ /* the maximum of acknowledgement number in secondary_list queue */
+ uint32_t sack;
/* offset = secondary_seq - primary_seq */
- tcp_seq offset;
- /*
- * we use this flag update offset func
- * run once in independent tcp connection
- */
- int syn_flag;
+ uint32_t offset;
+
+ int tcp_state; /* TCP FSM state */
+ uint32_t fin_ack_seq; /* the seq of 'fin=1,ack=1' */
} Connection;
uint32_t connection_key_hash(const void *opaque);
Connection *connection_get(GHashTable *connection_track_table,
ConnectionKey *key,
GQueue *conn_list);
+bool connection_has_tracked(GHashTable *connection_track_table,
+ ConnectionKey *key);
void connection_hashtable_reset(GHashTable *connection_track_table);
Packet *packet_new(const void *data, int size, int vnet_hdr_len);
void packet_destroy(void *opaque, void *user_data);