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status: new message for subdaemons to tell us their versions.

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For this patch we simply abort if it's wrong.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell
2021-04-08 14:13:46 +09:30
parent a8fde9f11f
commit b36e9fe473
5 changed files with 56 additions and 2 deletions
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3
common/status_wire.csv
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@@ -23,4 +23,7 @@ msgtype,status_peer_connection_lost,0xFFF3
msgtype,status_peer_billboard,0xFFF5
msgdata,status_peer_billboard,perm,bool,
msgdata,status_peer_billboard,happenings,wirestring,
msgtype,status_version,0xFFF6
msgdata,status_version,version,wirestring,
# Note: 0xFFFF is reserved for MSG_PASS_FD!
1 #include <common/per_peer_state.h>
23 # Note: 0xFFFF is reserved for MSG_PASS_FD!
24
25
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29

25
common/status_wiregen.c generated
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@@ -25,6 +25,7 @@ const char *status_wire_name(int e)
case WIRE_STATUS_FAIL: return "WIRE_STATUS_FAIL";
case WIRE_STATUS_PEER_CONNECTION_LOST: return "WIRE_STATUS_PEER_CONNECTION_LOST";
case WIRE_STATUS_PEER_BILLBOARD: return "WIRE_STATUS_PEER_BILLBOARD";
case WIRE_STATUS_VERSION: return "WIRE_STATUS_VERSION";
}
snprintf(invalidbuf, sizeof(invalidbuf), "INVALID %i", e);
@@ -39,6 +40,7 @@ bool status_wire_is_defined(u16 type)
case WIRE_STATUS_FAIL:;
case WIRE_STATUS_PEER_CONNECTION_LOST:;
case WIRE_STATUS_PEER_BILLBOARD:;
case WIRE_STATUS_VERSION:;
return true;
}
return false;
@@ -191,4 +193,25 @@ bool fromwire_status_peer_billboard(const tal_t *ctx, const void *p, bool *perm,
*happenings = fromwire_wirestring(ctx, &cursor, &plen);
return cursor != NULL;
}
// SHA256STAMP:67770c6a9a4205f10a455ea925afc2be4f853642b1e7ed70e3867221c64b7abc
/* WIRE: STATUS_VERSION */
u8 *towire_status_version(const tal_t *ctx, const wirestring *version)
{
u8 *p = tal_arr(ctx, u8, 0);
towire_u16(&p, WIRE_STATUS_VERSION);
towire_wirestring(&p, version);
return memcheck(p, tal_count(p));
}
bool fromwire_status_version(const tal_t *ctx, const void *p, wirestring **version)
{
const u8 *cursor = p;
size_t plen = tal_count(p);
if (fromwire_u16(&cursor, &plen) != WIRE_STATUS_VERSION)
return false;
*version = fromwire_wirestring(ctx, &cursor, &plen);
return cursor != NULL;
}
// SHA256STAMP:8e1ba9cbc812c8aad76c5049fcecefea2d706a100423c93d3c3be0afcbee851e

7
common/status_wiregen.h generated
View File

@@ -17,6 +17,7 @@ enum status_wire {
WIRE_STATUS_FAIL = 0xFFF2,
WIRE_STATUS_PEER_CONNECTION_LOST = 0xFFF3,
WIRE_STATUS_PEER_BILLBOARD = 0xFFF5,
WIRE_STATUS_VERSION = 0xFFF6,
};
const char *status_wire_name(int e);
@@ -51,6 +52,10 @@ bool fromwire_status_peer_connection_lost(const void *p);
u8 *towire_status_peer_billboard(const tal_t *ctx, bool perm, const wirestring *happenings);
bool fromwire_status_peer_billboard(const tal_t *ctx, const void *p, bool *perm, wirestring **happenings);
/* WIRE: STATUS_VERSION */
u8 *towire_status_version(const tal_t *ctx, const wirestring *version);
bool fromwire_status_version(const tal_t *ctx, const void *p, wirestring **version);
#endif /* LIGHTNING_COMMON_STATUS_WIREGEN_H */
// SHA256STAMP:67770c6a9a4205f10a455ea925afc2be4f853642b1e7ed70e3867221c64b7abc
// SHA256STAMP:8e1ba9cbc812c8aad76c5049fcecefea2d706a100423c93d3c3be0afcbee851e