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#define ECP_CTYPE_VCONN (0x01 | ECP_CTYPE_FLAG_SYS)
#define ECP_CTYPE_VLINK (0x02 | ECP_CTYPE_FLAG_SYS)
#define ECP_MTYPE_NEXT 0x00
#define ECP_MTYPE_EXEC 0x02
#define ECP_MTYPE_RELAY 0x01
#ifndef ECP_WITH_HTABLE
#define ecp_vconn_handle_close NULL
#define ecp_vlink_handle_open NULL
#define ecp_vlink_handle_close NULL
#endif
typedef struct ECPVConnInb {
ECPConnection b;
ECPDHPub vlink_next;
ECPDHPub vconn_next[ECP_MAX_NODE_KEY];
unsigned char vconn_next_curr;
} ECPVConnInb;
typedef struct ECPVConnOutb {
ECPConnection b;
ECPConnection *next;
} ECPVConnOutb;
ssize_t ecp_vconn_pack_parent(ECPConnection *conn, ECPBuffer *payload, ECPBuffer *packet, size_t pkt_size, ecp_tr_addr_t *addr);
void ecp_vconn_init(ECPVConnOutb vconn[], ecp_ecdh_public_t keys[], size_t vconn_size, ECPSocket *sock);
#ifdef ECP_WITH_HTABLE
void ecp_vconn_init_inb(ECPVConnInb *vconn, ECPSocket *sock);
#endif
int ecp_vconn_open(ECPVConnOutb *vconn, ECPConnection *conn, ECPNode *node);
int ecp_vconn_handle_open(ECPConnection *conn, ECP2Buffer *bufs);
#ifdef ECP_WITH_HTABLE
void ecp_vconn_handle_close(ECPConnection *conn);
#endif
ssize_t ecp_vconn_handle_msg(ECPConnection *conn, ecp_seq_t seq, unsigned char mtype, unsigned char *msg, size_t msg_size, ECP2Buffer *bufs);
ssize_t ecp_vconn_send_open_req(ECPConnection *conn, unsigned char *cookie);
void ecp_vlink_init(ECPConnection *conn, ECPSocket *sock);
#ifdef ECP_WITH_HTABLE
int ecp_vlink_handle_open(ECPConnection *conn, ECP2Buffer *bufs);
void ecp_vlink_handle_close(ECPConnection *conn);
#endif
ssize_t ecp_vlink_handle_msg(ECPConnection *conn, ecp_seq_t seq, unsigned char mtype, unsigned char *msg, size_t msg_size, ECP2Buffer *bufs);
int ecp_vconn_sock_create(ECPSocket *sock);
void ecp_vconn_sock_destroy(ECPSocket *sock);
int ecp_vconn_handler_init(ECPContext *ctx, ECPConnHandler *vconn_handler);
int ecp_vlink_handler_init(ECPContext *ctx, ECPConnHandler *vlink_handler);
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