141 lines
2.6 KiB
C
141 lines
2.6 KiB
C
/*++
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Copyright (c) 2000 Microsoft Corporation
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Module Name:
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msg.h
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Abstract:
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msg definition
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Author:
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Ahmed Mohamed (ahmedm) 12, 01, 2000
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Revision History:
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--*/
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#ifndef GS_MSG_H
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#define GS_MSG_H
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#include "type.h"
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#define GS_MSG_TYPE_SEQALLOC 0
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#define GS_MSG_TYPE_SEQREPLY 1
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#define GS_MSG_TYPE_MCAST 2
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#define GS_MSG_TYPE_REPLY 3
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#define GS_MSG_TYPE_UCAST 4
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#define GS_MSG_TYPE_ACK 5
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#define GS_MSG_TYPE_INFO 6
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#define GS_MSG_TYPE_MM 7
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#define GS_MSG_TYPE_JOIN_REQUEST 8
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#define GS_MSG_TYPE_JOIN 9
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#define GS_MSG_TYPE_UP 10
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#define GS_MSG_TYPE_EVICT_REQUEST 11
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#define GS_MSG_TYPE_EVICT 12
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#define GS_MSG_TYPE_RECOVERY 13
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#define GS_MSG_TYPE_SYNC 14
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#define GS_MSG_TYPE_ABORT 244
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#define GS_MSG_TYPE_SKIP 255
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#define GS_MSG_STATE_FREE 0
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#define GS_MSG_STATE_NEW 1
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#define GS_MSG_STATE_READY 2
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#define GS_MSG_STATE_DELIVERED 3
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#define GS_MSG_STATE_DONE 4
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typedef struct gs_msg_hdr {
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UINT16 h_len; // payload size
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UINT16 h_type; // msg type
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UINT16 h_flags; // msg flags
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UINT16 h_viewnum; // generation number, drop this msg if no match
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UINT16 h_rlen; // for delivered msgs, how big can sender accept reply
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gs_cookie_t h_cid; // sender cookie for reply packets
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gs_gid_t h_gid; // group id
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gs_sequence_t h_mseq; // global sequence
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gs_sequence_t h_bnum; // this msg batch number
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gs_sequence_t h_lseq; // sender sequence number
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gs_memberid_t h_mid; // master member id
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gs_memberid_t h_sid; // sender member id
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char h_tag[64];
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}gs_msg_hdr_t;
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#define MSG_TYPE_HDR 1
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#define MSG_TYPE_DATA 2
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typedef struct gs_msg {
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struct gs_msg *m_next; // next msg in queue
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UINT8 m_type; // type
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UINT8 m_refcnt; // refcnt
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UINT16 m_buflen; // length of buffer
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gs_msg_hdr_t m_hdr; // msg header
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char *m_buf;
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}gs_msg_t;
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int
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WINAPI
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msg_addnode(int id, char *n, char *a);
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gs_msg_t * msg_alloc(const char *buf, int len);
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int msg_send(gs_memberid_t, gs_msg_hdr_t *, const char *, int);
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void msg_mcast(ULONG, gs_msg_hdr_t *, const char *, int);
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void msg_smcast(ULONG, gs_msg_hdr_t *, const char *, int);
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void msg_free(gs_msg_t *);
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int msg_init();
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void msg_exit();
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int msg_getsize();
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typedef void(*gs_msg_handler_t)(gs_msg_t *);
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typedef enum {
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MSG_NODE_ID,
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MSG_NODE_JOIN,
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MSG_NODE_UP,
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MSG_NODE_DOWN
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}gs_node_event_t;
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typedef void(*gs_node_handler_t)(int);
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void
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msg_set_uport(int uport);
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void
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msg_set_mport(int mport);
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void
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msg_set_uipaddr(char *addr);
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void
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msg_set_mipaddr(char *addr);
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void
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msg_set_bufcount(int count);
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void
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msg_set_bufsize(int size);
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void
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msg_start(ULONG mask);
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#endif
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