diff options
Diffstat (limited to 'Utilities/cmcurl/lib/connect.h')
| -rw-r--r-- | Utilities/cmcurl/lib/connect.h | 151 |
1 files changed, 151 insertions, 0 deletions
diff --git a/Utilities/cmcurl/lib/connect.h b/Utilities/cmcurl/lib/connect.h new file mode 100644 index 0000000..193dc63 --- /dev/null +++ b/Utilities/cmcurl/lib/connect.h @@ -0,0 +1,151 @@ +#ifndef HEADER_CURL_CONNECT_H +#define HEADER_CURL_CONNECT_H +/*************************************************************************** + * _ _ ____ _ + * Project ___| | | | _ \| | + * / __| | | | |_) | | + * | (__| |_| | _ <| |___ + * \___|\___/|_| \_\_____| + * + * Copyright (C) 1998 - 2017, 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 https://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" + +#include "nonblock.h" /* for curlx_nonblock(), formerly Curl_nonblock() */ +#include "sockaddr.h" +#include "timeval.h" + +CURLcode Curl_is_connected(struct connectdata *conn, + int sockindex, + bool *connected); + +CURLcode Curl_connecthost(struct connectdata *conn, + const struct Curl_dns_entry *host); + +/* generic function that returns how much time there's left to run, according + to the timeouts set */ +timediff_t Curl_timeleft(struct Curl_easy *data, + struct curltime *nowp, + bool duringconnect); + +#define DEFAULT_CONNECT_TIMEOUT 300000 /* milliseconds == five minutes */ + +/* + * Used to extract socket and connectdata struct for the most recent + * transfer on the given Curl_easy. + * + * The returned socket will be CURL_SOCKET_BAD in case of failure! + */ +curl_socket_t Curl_getconnectinfo(struct Curl_easy *data, + struct connectdata **connp); + +/* + * Check if a connection seems to be alive. + */ +bool Curl_connalive(struct connectdata *conn); + +#ifdef USE_WINSOCK +/* When you run a program that uses the Windows Sockets API, you may + experience slow performance when you copy data to a TCP server. + + https://support.microsoft.com/kb/823764 + + Work-around: Make the Socket Send Buffer Size Larger Than the Program Send + Buffer Size + +*/ +void Curl_sndbufset(curl_socket_t sockfd); +#else +#define Curl_sndbufset(y) Curl_nop_stmt +#endif + +void Curl_updateconninfo(struct connectdata *conn, curl_socket_t sockfd); +void Curl_persistconninfo(struct connectdata *conn); +int Curl_closesocket(struct connectdata *conn, curl_socket_t sock); + +/* + * Get presentation format IP address and port from a sockaddr. + */ +bool Curl_getaddressinfo(struct sockaddr *sa, char *addr, long *port); + +/* + * The Curl_sockaddr_ex structure is basically libcurl's external API + * curl_sockaddr structure with enough space available to directly hold any + * protocol-specific address structures. The variable declared here will be + * used to pass / receive data to/from the fopensocket callback if this has + * been set, before that, it is initialized from parameters. + */ +struct Curl_sockaddr_ex { + int family; + int socktype; + int protocol; + unsigned int addrlen; + union { + struct sockaddr addr; + struct Curl_sockaddr_storage buff; + } _sa_ex_u; +}; +#define sa_addr _sa_ex_u.addr + +/* + * Create a socket based on info from 'conn' and 'ai'. + * + * Fill in 'addr' and 'sockfd' accordingly if OK is returned. If the open + * socket callback is set, used that! + * + */ +CURLcode Curl_socket(struct connectdata *conn, + const Curl_addrinfo *ai, + struct Curl_sockaddr_ex *addr, + curl_socket_t *sockfd); + +void Curl_tcpnodelay(struct connectdata *conn, curl_socket_t sockfd); + +/* + * Curl_conncontrol() marks the end of a connection/stream. The 'closeit' + * argument specifies if it is the end of a connection or a stream. + * + * For stream-based protocols (such as HTTP/2), a stream close will not cause + * a connection close. Other protocols will close the connection for both + * cases. + * + * It sets the bit.close bit to TRUE (with an explanation for debug builds), + * when the connection will close. + */ + +#define CONNCTRL_KEEP 0 /* undo a marked closure */ +#define CONNCTRL_CONNECTION 1 +#define CONNCTRL_STREAM 2 + +void Curl_conncontrol(struct connectdata *conn, + int closeit +#if defined(DEBUGBUILD) && !defined(CURL_DISABLE_VERBOSE_STRINGS) + , const char *reason +#endif + ); + +#if defined(DEBUGBUILD) && !defined(CURL_DISABLE_VERBOSE_STRINGS) +#define streamclose(x,y) Curl_conncontrol(x, CONNCTRL_STREAM, y) +#define connclose(x,y) Curl_conncontrol(x, CONNCTRL_CONNECTION, y) +#define connkeep(x,y) Curl_conncontrol(x, CONNCTRL_KEEP, y) +#else /* if !DEBUGBUILD || CURL_DISABLE_VERBOSE_STRINGS */ +#define streamclose(x,y) Curl_conncontrol(x, CONNCTRL_STREAM) +#define connclose(x,y) Curl_conncontrol(x, CONNCTRL_CONNECTION) +#define connkeep(x,y) Curl_conncontrol(x, CONNCTRL_KEEP) +#endif + +bool Curl_conn_data_pending(struct connectdata *conn, int sockindex); + +#endif /* HEADER_CURL_CONNECT_H */ |