mirror of
https://github.com/curl/curl.git
synced 2024-11-27 05:50:21 +08:00
5a053ffe80
This commit renames lib/setup.h to lib/curl_setup.h and
renames lib/setup_once.h to lib/curl_setup_once.h.
Removes the need and usage of a header inclusion guard foreign
to libcurl. [1]
Removes the need and presence of an alarming notice we carried
in old setup_once.h [2]
----------------------------------------
1 - lib/setup_once.h used __SETUP_ONCE_H macro as header inclusion guard
up to commit ec691ca3 which changed this to HEADER_CURL_SETUP_ONCE_H,
this single inclusion guard is enough to ensure that inclusion of
lib/setup_once.h done from lib/setup.h is only done once.
Additionally lib/setup.h has always used __SETUP_ONCE_H macro to
protect inclusion of setup_once.h even after commit ec691ca3, this
was to avoid a circular header inclusion triggered when building a
c-ares enabled version with c-ares sources available which also has
a setup_once.h header. Commit ec691ca3 exposes the real nature of
__SETUP_ONCE_H usage in lib/setup.h, it is a header inclusion guard
foreign to libcurl belonging to c-ares's setup_once.h
The renaming this commit does, fixes the circular header inclusion,
and as such removes the need and usage of a header inclusion guard
foreign to libcurl. Macro __SETUP_ONCE_H no longer used in libcurl.
2 - Due to the circular interdependency of old lib/setup_once.h and the
c-ares setup_once.h header, old file lib/setup_once.h has carried
back from 2006 up to now days an alarming and prominent notice about
the need of keeping libcurl's and c-ares's setup_once.h in sync.
Given that this commit fixes the circular interdependency, the need
and presence of mentioned notice is removed.
All mentioned interdependencies come back from now old days when
the c-ares project lived inside a curl subdirectory. This commit
removes last traces of such fact.
140 lines
4.9 KiB
C
140 lines
4.9 KiB
C
#ifndef HEADER_CURL_PINGPONG_H
|
|
#define HEADER_CURL_PINGPONG_H
|
|
/***************************************************************************
|
|
* _ _ ____ _
|
|
* Project ___| | | | _ \| |
|
|
* / __| | | | |_) | |
|
|
* | (__| |_| | _ <| |___
|
|
* \___|\___/|_| \_\_____|
|
|
*
|
|
* Copyright (C) 1998 - 2011, 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
|
|
* are also available at http://curl.haxx.se/docs/copyright.html.
|
|
*
|
|
* You may opt to use, copy, modify, merge, publish, distribute and/or sell
|
|
* copies of the Software, and permit persons to whom the Software is
|
|
* furnished to do so, under the terms of the COPYING file.
|
|
*
|
|
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
|
|
* KIND, either express or implied.
|
|
*
|
|
***************************************************************************/
|
|
|
|
#include "curl_setup.h"
|
|
|
|
#if !defined(CURL_DISABLE_IMAP) || !defined(CURL_DISABLE_FTP) || \
|
|
!defined(CURL_DISABLE_POP3) || !defined(CURL_DISABLE_SMTP)
|
|
#define USE_PINGPONG
|
|
#endif
|
|
|
|
/* forward-declaration, this is defined in urldata.h */
|
|
struct connectdata;
|
|
|
|
/*
|
|
* 'pingpong' is the generic struct used for protocols doing server<->client
|
|
* conversations in a back-and-forth style such as FTP, IMAP, POP3, SMTP etc.
|
|
*
|
|
* It holds response cache and non-blocking sending data.
|
|
*/
|
|
struct pingpong {
|
|
char *cache; /* data cache between getresponse()-calls */
|
|
size_t cache_size; /* size of cache in bytes */
|
|
size_t nread_resp; /* number of bytes currently read of a server response */
|
|
char *linestart_resp; /* line start pointer for the server response
|
|
reader function */
|
|
bool pending_resp; /* set TRUE when a server response is pending or in
|
|
progress, and is cleared once the last response is
|
|
read */
|
|
char *sendthis; /* allocated pointer to a buffer that is to be sent to the
|
|
server */
|
|
size_t sendleft; /* number of bytes left to send from the sendthis buffer */
|
|
size_t sendsize; /* total size of the sendthis buffer */
|
|
struct timeval response; /* set to Curl_tvnow() when a command has been sent
|
|
off, used to time-out response reading */
|
|
long response_time; /* When no timeout is given, this is the amount of
|
|
milliseconds we await for a server response. */
|
|
|
|
struct connectdata *conn; /* points to the connectdata struct that this
|
|
belongs to */
|
|
|
|
/* Function pointers the protocols MUST implement and provide for the
|
|
pingpong layer to function */
|
|
|
|
CURLcode (*statemach_act)(struct connectdata *conn);
|
|
|
|
int (*endofresp)(struct pingpong *pp, int *code);
|
|
};
|
|
|
|
/*
|
|
* Curl_pp_multi_statemach()
|
|
*
|
|
* called repeatedly until done when the multi interface is used.
|
|
*/
|
|
CURLcode Curl_pp_multi_statemach(struct pingpong *pp);
|
|
|
|
/*
|
|
* Curl_pp_easy_statemach()
|
|
*
|
|
* called repeatedly until done when the easy interface is used.
|
|
*/
|
|
CURLcode Curl_pp_easy_statemach(struct pingpong *pp);
|
|
|
|
|
|
/* initialize stuff to prepare for reading a fresh new response */
|
|
void Curl_pp_init(struct pingpong *pp);
|
|
|
|
/* Returns timeout in ms. 0 or negative number means the timeout has already
|
|
triggered */
|
|
long Curl_pp_state_timeout(struct pingpong *pp);
|
|
|
|
|
|
/***********************************************************************
|
|
*
|
|
* Curl_pp_sendf()
|
|
*
|
|
* Send the formated string as a command to a pingpong server. Note that
|
|
* the string should not have any CRLF appended, as this function will
|
|
* append the necessary things itself.
|
|
*
|
|
* made to never block
|
|
*/
|
|
CURLcode Curl_pp_sendf(struct pingpong *pp,
|
|
const char *fmt, ...);
|
|
|
|
/***********************************************************************
|
|
*
|
|
* Curl_pp_vsendf()
|
|
*
|
|
* Send the formated string as a command to a pingpong server. Note that
|
|
* the string should not have any CRLF appended, as this function will
|
|
* append the necessary things itself.
|
|
*
|
|
* made to never block
|
|
*/
|
|
CURLcode Curl_pp_vsendf(struct pingpong *pp,
|
|
const char *fmt,
|
|
va_list args);
|
|
|
|
/*
|
|
* Curl_pp_readresp()
|
|
*
|
|
* Reads a piece of a server response.
|
|
*/
|
|
CURLcode Curl_pp_readresp(curl_socket_t sockfd,
|
|
struct pingpong *pp,
|
|
int *code, /* return the server code if done */
|
|
size_t *size); /* size of the response */
|
|
|
|
|
|
CURLcode Curl_pp_flushsend(struct pingpong *pp);
|
|
|
|
/* call this when a pingpong connection is disconnected */
|
|
CURLcode Curl_pp_disconnect(struct pingpong *pp);
|
|
|
|
int Curl_pp_getsock(struct pingpong *pp, curl_socket_t *socks,
|
|
int numsocks);
|
|
|
|
#endif /* HEADER_CURL_PINGPONG_H */
|