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lib: add CURLINFO_CONN_ID and CURLINFO_XFER_ID

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- add an `id` long to Curl_easy, -1 on init
- once added to a multi (or its own multi), it gets
  a non-negative number assigned by the connection cache
- `id` is unique among all transfers using the same
  cache until reaching LONG_MAX where it will wrap
  around. So, not unique eternally.
- CURLINFO_CONN_ID returns the connection id attached to
  data or, if none present, data->state.lastconnect_id
- variables and type declared in tool for write out

Closes #11185
This commit is contained in:
Stefan Eissing 2023-05-23 12:48:58 +02:00 • committed by Daniel Stenberg
parent fdda99c6ee
commit e024d5665d
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31 changed files with 252 additions and 94 deletions
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19
lib/curl_log.h
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@ -118,23 +118,4 @@ void Curl_log_cf_debug(struct Curl_easy *data, struct Curl_cfilter *cf,
#define LOG_CF_IS_DEBUG(cf, data) Curl_log_cf_is_debug(cf, data)
/* Macros intended for DEBUGF logging, use like:
* DEBUGF(infof(data, CFMSG(cf, "this filter %s rocks"), "very much"));
* and it will output:
* [CONN-1-0][CF-SSL] this filter very much rocks
* on connection #1 with sockindex 0 for filter of type "SSL". */
#define DMSG(d,msg) \
"[CONN-%ld] "msg, (d)->conn->connection_id
#define DMSGI(d,i,msg) \
"[CONN-%ld-%d] "msg, (d)->conn->connection_id, (i)
#define CMSG(c,msg) \
"[CONN-%ld] "msg, (c)->connection_id
#define CMSGI(c,i,msg) \
"[CONN-%ld-%d] "msg, (c)->connection_id, (i)
#define CFMSG(cf,msg) \
"[CONN-%ld-%d][CF-%s] "msg, (cf)->conn->connection_id, \
(cf)->sockindex, (cf)->cft->name
#endif /* HEADER_CURL_LOG_H */