urldata: rename easy_conn to just conn

We use "conn" everywhere to be a pointer to the connection.

Introduces two functions that "attaches" and "detaches" the connection
to and from the transfer.

Going forward, we should favour using "data->conn" (since a transfer
always only has a single connection or none at all) to "conn->data"
(since a connection can have none, one or many transfers associated with
it and updating conn->data to be correct is error prone and a frequent
reason for internal issues).

Closes #3442
This commit is contained in:
Daniel Stenberg 2019-01-02 18:04:58 +01:00
parent 61faa0b420
commit ba243235ec
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15 changed files with 199 additions and 204 deletions

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@ -7,7 +7,7 @@
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
* Copyright (C) 1998 - 2019, Daniel Stenberg, <daniel@haxx.se>, et al.
*
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
@ -31,7 +31,9 @@ void Curl_expire(struct Curl_easy *data, time_t milli, expire_id);
void Curl_expire_clear(struct Curl_easy *data);
void Curl_expire_done(struct Curl_easy *data, expire_id id);
bool Curl_pipeline_wanted(const struct Curl_multi* multi, int bits);
void Curl_multi_handlePipeBreak(struct Curl_easy *data);
void Curl_detach_connnection(struct Curl_easy *data);
void Curl_attach_connnection(struct Curl_easy *data,
struct connectdata *conn);
void Curl_set_in_callback(struct Curl_easy *data, bool value);
bool Curl_is_in_callback(struct Curl_easy *easy);