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+#ifndef HEADER_CURL_CONNECT_H
+#define HEADER_CURL_CONNECT_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 "setup.h"
+
+#include "nonblock.h" /* for curlx_nonblock(), formerly Curl_nonblock() */
+#include "sockaddr.h"
+
+CURLcode Curl_is_connected(struct connectdata *conn,
+ int sockindex,
+ bool *connected);
+
+CURLcode Curl_connecthost(struct connectdata *conn,
+ const struct Curl_dns_entry *host, /* connect to
+ this */
+ curl_socket_t *sockconn, /* not set if error */
+ Curl_addrinfo **addr, /* the one we used */
+ bool *connected); /* truly connected? */
+
+/* generic function that returns how much time there's left to run, according
+ to the timeouts set */
+long Curl_timeleft(struct SessionHandle *data,
+ struct timeval *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 SessionHandle.
+ *
+ * The returned socket will be CURL_SOCKET_BAD in case of failure!
+ */
+curl_socket_t Curl_getconnectinfo(struct SessionHandle *data,
+ struct connectdata **connp);
+
+#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.
+
+ http://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);
+
+/*
+ * 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);
+
+#endif /* HEADER_CURL_CONNECT_H */