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MINOR: stats: add a function to emit fields into a chunk

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New function stats_emit_raw_data_field() may be used to write a field
into a chunk. It takes care of the field format to know how to print
it.
This commit is contained in:
Willy Tarreau 2016-02-24 23:11:01 +01:00
parent 4529c07c0e
commit 638d40a193
1 changed files with 16 additions and 0 deletions
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16
src/dumpstats.c
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@ -2808,6 +2808,22 @@ static void cli_io_handler(struct appctx *appctx)
si->state, req->flags, res->flags, req->buf->i, req->buf->o, res->buf->i, res->buf->o);
}
/* Emits a stats field without any surrounding element and properly encoded to
* resist CSV output. Returns non-zero on success, 0 if the buffer is full.
*/
static int stats_emit_raw_data_field(struct chunk *out, const struct field *f)
{
switch (field_format(f, 0)) {
case FF_EMPTY: return 1;
case FF_S32: return chunk_appendf(out, "%d", f->u.s32);
case FF_U32: return chunk_appendf(out, "%u", f->u.u32);
case FF_S64: return chunk_appendf(out, "%lld", (long long)f->u.s64);
case FF_U64: return chunk_appendf(out, "%llu", (unsigned long long)f->u.u64);
case FF_STR: return csv_enc_append(field_str(f, 0), 1, out) != NULL;
default: return chunk_appendf(out, "[INCORRECT_FIELD_TYPE_%08x]", f->type);
}
}
/* This function dumps information onto the stream interface's read buffer.
* It returns 0 as long as it does not complete, non-zero upon completion.
* No state is used.