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24a58196dd
We should probably prevent any type of namespace collision with something else. Signed-off-by: Donald Sharp <sharpd@nvidia.com>
74 lines
2.3 KiB
C
74 lines
2.3 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* March 6 2023, Christian Hopps <chopps@labn.net>
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*
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* Copyright (c) 2023, LabN Consulting, L.L.C.
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*/
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#ifndef _MGMT_MSG_H
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#define _MGMT_MSG_H
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#include "stream.h"
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#include "frrevent.h"
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#define MGMT_MSG_MARKER (0x4D724B21u) /* ASCII - "MrK!"*/
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struct mgmt_msg_state {
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struct stream *ins;
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struct stream *outs;
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struct stream_fifo inq;
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struct stream_fifo outq;
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uint64_t nrxm; /* number of received messages */
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uint64_t nrxb; /* number of received bytes */
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uint64_t ntxm; /* number of sent messages */
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uint64_t ntxb; /* number of sent bytes */
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size_t max_read_buf; /* should replace with max time value */
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size_t max_write_buf; /* should replace with max time value */
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size_t max_msg_sz;
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char *idtag; /* identifying tag for messages */
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};
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struct mgmt_msg_hdr {
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uint32_t marker;
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uint32_t len;
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};
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enum mgmt_msg_rsched {
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MSR_SCHED_BOTH, /* schedule both queue and read */
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MSR_SCHED_STREAM, /* schedule read */
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MSR_DISCONNECT, /* disconnect and start reconnecting */
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};
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enum mgmt_msg_wsched {
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MSW_SCHED_NONE, /* no scheduling required */
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MSW_SCHED_STREAM, /* schedule writing */
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MSW_SCHED_WRITES_OFF, /* toggle writes off */
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MSW_DISCONNECT, /* disconnect and start reconnecting */
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};
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static inline uint8_t *msg_payload(struct mgmt_msg_hdr *mhdr)
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{
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return (uint8_t *)(mhdr + 1);
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}
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typedef size_t (*mgmt_msg_packf)(void *msg, void *data);
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extern int mgmt_msg_connect(const char *path, size_t sendbuf, size_t recvbuf,
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const char *dbgtag);
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extern void mgmt_msg_destroy(struct mgmt_msg_state *ms);
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extern void mgmt_msg_init(struct mgmt_msg_state *ms, size_t max_read_buf,
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size_t max_write_buf, size_t max_msg_sz,
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const char *idtag);
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extern bool mgmt_msg_procbufs(struct mgmt_msg_state *ms,
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void (*handle_msg)(void *user, uint8_t *msg,
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size_t msglen),
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void *user, bool debug);
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extern enum mgmt_msg_rsched mgmt_msg_read(struct mgmt_msg_state *ms, int fd,
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bool debug);
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extern size_t mgmt_msg_reset_writes(struct mgmt_msg_state *ms);
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extern int mgmt_msg_send_msg(struct mgmt_msg_state *ms, void *msg, size_t len,
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size_t (*packf)(void *msg, void *buf), bool debug);
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extern enum mgmt_msg_wsched mgmt_msg_write(struct mgmt_msg_state *ms, int fd,
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bool debug);
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#endif /* _MGMT_MSG_H */
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