boinc/client/http.h

121 lines
3.6 KiB
C++

// Berkeley Open Infrastructure for Network Computing
// http://boinc.berkeley.edu
// Copyright (C) 2005 University of California
//
// This is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation;
// either version 2.1 of the License, or (at your option) any later version.
//
// This software is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
// See the GNU Lesser General Public License for more details.
//
// To view the GNU Lesser General Public License visit
// http://www.gnu.org/copyleft/lesser.html
// or write to the Free Software Foundation, Inc.,
// 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
// HTTP_OP represents an HTTP operation.
// There are variants for GET and POST,
// and for the data source/sink (see below).
#ifndef _HTTP_
#define _HTTP_
#include "proxy.h"
// official HTTP status codes
#define HTTP_STATUS_OK 200
#define HTTP_STATUS_RANGE_REQUEST_ERROR 416
#define HTTP_STATUS_MOVED_PERM 301
#define HTTP_STATUS_MOVED_TEMP 302
#define HTTP_STATUS_NOT_FOUND 404
#define HTTP_STATUS_PROXY_AUTH_REQ 407
struct HTTP_REPLY_HEADER {
int http_status;
int content_length;
std::string redirect_location;
std::string recv_buf;
HTTP_REPLY_HEADER(){}
~HTTP_REPLY_HEADER(){}
void init();
int read_reply(int socket);
void parse();
};
#define HTTP_OP_NONE 0
// For the first 4, data source/sink are files
#define HTTP_OP_GET 1
#define HTTP_OP_POST 2
#define HTTP_OP_HEAD 4
#define HTTP_OP_POST2 5
// a POST operation where the request comes from a combination
// of a string and a file w/offset,
// and the reply goes into a memory buffer
// Used exclusively for file upload
class HTTP_OP : public PROXY {
public:
HTTP_OP();
~HTTP_OP();
int port;
char filename[256];
char url_hostname[256];
// the hostname part of the URL.
// May not be the host we connect to (if using proxy)
char* req1;
char infile[256];
char outfile[256];
int content_length;
double file_offset;
char request_header[4096];
HTTP_REPLY_HEADER hrh;
int http_op_state; // values below
int http_op_type;
int http_op_retval;
// zero if success, or a BOINC error code, or an HTTP status code
//// bool proxy_auth_done;
int init_head(const char* url);
int init_get(const char* url, char* outfile, bool del_old_file, double offset=0);
int init_post(const char* url, char* infile, char* outfile);
int init_post2(
const char* url,
char* req1, // first part of request. ALSO USED FOR REPLY
char* infile, double offset // infile is NULL if no file sent
);
bool http_op_done();
};
// represents a set of HTTP requests in progress
//
class HTTP_OP_SET {
std::vector<HTTP_OP*> http_ops;
NET_XFER_SET* net_xfers;
public:
HTTP_OP_SET(NET_XFER_SET*);
bool poll(double);
int insert(HTTP_OP*);
int remove(HTTP_OP*);
};
#define HTTP_STATE_IDLE 0
#define HTTP_STATE_CONNECTING 1
#define HTTP_STATE_SOCKS_CONNECT 2
#define HTTP_STATE_REQUEST_HEADER 3
#define HTTP_STATE_REQUEST_BODY1 4
// sending the string part of a POST2 operation
#define HTTP_STATE_REQUEST_BODY 5
#define HTTP_STATE_REPLY_HEADER 6
#define HTTP_STATE_REPLY_BODY 7
#define HTTP_STATE_DONE 8
extern void parse_url(const char* url, char* host, int &port, char* file);
#endif