BUG/MEDIUM: spoe: arg len encoded in previous frag frame but len changed
Fragmented arg will do fetch at every encode time, each fetch may get
different result if SMP_F_MAY_CHANGE, for example res.payload, but
the length already encoded in first fragment of the frame, that will
cause SPOA decode failed and waste resources.
This patch must be backported to 1.9 and 1.8.
diff --git a/include/types/spoe.h b/include/types/spoe.h
index a744cd7..9bba492 100644
--- a/include/types/spoe.h
+++ b/include/types/spoe.h
@@ -323,6 +323,7 @@
struct spoe_message *curmsg; /* SPOE message from which to resume encoding */
struct spoe_arg *curarg; /* SPOE arg in <curmsg> from which to resume encoding */
unsigned int curoff; /* offset in <curarg> from which to resume encoding */
+ unsigned int curlen; /* length of <curarg> need to be encode, for SMP_F_MAY_CHANGE data */
unsigned int flags; /* SPOE_FRM_FL_* */
} frag_ctx; /* Info about fragmented frames, valid on if SPOE_CTX_FL_FRAGMENTED is set */