mirror of https://github.com/BOINC/boinc.git
148 lines
4.8 KiB
C++
148 lines
4.8 KiB
C++
// Berkeley Open Infrastructure for Network Computing
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// http://boinc.berkeley.edu
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// Copyright (C) 2005 University of California
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//
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// This is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Lesser General Public
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// License as published by the Free Software Foundation;
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// either version 2.1 of the License, or (at your option) any later version.
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//
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// This software is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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// See the GNU Lesser General Public License for more details.
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//
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// To view the GNU Lesser General Public License visit
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// http://www.gnu.org/copyleft/lesser.html
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// or write to the Free Software Foundation, Inc.,
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// 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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// HTTP_OP represents an HTTP operation.
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// There are variants for GET and POST,
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// and for the data source/sink (see below).
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// CMC Note: This was redone to use libcurl ref: http://curl.haxx.se/libcurl
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// to allow ease of use for SSL/HTTPS etc
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#ifndef _HTTP_
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#define _HTTP_
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// SOCKS #defines
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#define SOCKS_VERSION_4 0x04
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#define SOCKS_VERSION_5 0x05
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// now include the curl library: originally from http://curl.haxx.se/libcurl
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#include <curl/curl.h>
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#include "proxy_info.h"
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#include "net_xfer_curl.h"
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// official HTTP status codes
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#define HTTP_STATUS_OK 200
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#define HTTP_STATUS_PARTIAL_CONTENT 206
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#define HTTP_STATUS_RANGE_REQUEST_ERROR 416
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#define HTTP_STATUS_MOVED_PERM 301
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#define HTTP_STATUS_MOVED_TEMP 302
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#define HTTP_STATUS_NOT_FOUND 404
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#define HTTP_STATUS_PROXY_AUTH_REQ 407
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#define HTTP_STATUS_INTERNAL_SERVER_ERROR 500
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#define HTTP_STATUS_SERVICE_UNAVAILABLE 503
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#define HTTP_OP_NONE 0
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#define HTTP_OP_GET 1
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// data sink is a file (used for file download)
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#define HTTP_OP_POST 2
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// data source and sink are files (used for scheduler op)
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#define HTTP_OP_HEAD 4
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// no data (used for file upload)
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#define HTTP_OP_POST2 5
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// a POST operation where the request comes from a combination
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// of a string and a file w/offset,
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// and the reply goes into a memory buffer.
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// Used for file upload
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class HTTP_OP : public NET_XFER
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{
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public:
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HTTP_OP();
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~HTTP_OP();
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// proxy info
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PROXY_INFO pi;
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int port;
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char filename[256];
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char url_hostname[256];
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// CMC added this to "preserve" the url for libcurl use,
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// as we don't really need to do all the parsing stuff
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char m_url[256];
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char szCurlProxyUserPwd[128]; // string needed for proxy username/password
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// the hostname part of the URL.
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// May not be the host we connect to (if using proxy)
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int content_length;
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double file_offset;
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char request_header[4096];
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//HTTP_REPLY_HEADER hrh;
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// move these to net_xfer
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/*
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int http_op_state; // values below
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int http_op_type;
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int http_op_retval;
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*/
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// zero if success, or a BOINC error code, or an HTTP status code
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//// bool proxy_auth_done;
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//int init_head(const char* url);
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int init_get(const char* url, const char* outfile, bool del_old_file, double offset=0);
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int init_post(const char* url, const char* infile, const char* outfile);
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int init_post2(
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const char* url,
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char* req1, // first part of request. ALSO USED FOR REPLY
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const char* infile, double offset // infile is NULL if no file sent
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);
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bool http_op_done();
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int set_proxy(PROXY_INFO *new_pi);
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void setupProxyCurl();
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private:
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// internal use in the class -- takes an init_get/post/post2 and turns it into
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// an appropriate libcurl request
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int libcurl_exec(const char* url, const char* in = NULL, const char* out = NULL,
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double offset = 0.0f, bool bPost = true);
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};
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// global function used by libcurl to write http replies to disk
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size_t libcurl_write(void *ptr, size_t size, size_t nmemb, HTTP_OP* phop);
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size_t libcurl_read( void *ptr, size_t size, size_t nmemb, HTTP_OP* phop);
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// represents a set of HTTP requests in progress
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//
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class HTTP_OP_SET {
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std::vector<HTTP_OP*> http_ops;
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NET_XFER_SET* net_xfers;
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public:
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HTTP_OP_SET(NET_XFER_SET*);
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int insert(HTTP_OP*);
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int remove(HTTP_OP*);
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int nops();
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};
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#define HTTP_STATE_IDLE 0
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#define HTTP_STATE_CONNECTING 1
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#define HTTP_STATE_SOCKS_CONNECT 2
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#define HTTP_STATE_REQUEST_HEADER 3
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#define HTTP_STATE_REQUEST_BODY1 4
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// sending the string part of a POST2 operation
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#define HTTP_STATE_REQUEST_BODY 5
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#define HTTP_STATE_REPLY_HEADER 6
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#define HTTP_STATE_REPLY_BODY 7
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#define HTTP_STATE_DONE 8
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// default bSSL is false for compatibility with the uploader stuff, which will remain non-SSL
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extern void parse_url(const char* url, char* host, int &port, char* file);
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#endif //__HTTP_H
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