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//
// VMime library (http://www.vmime.org)
// Copyright (C) 2002 Vincent Richard <vincent@vmime.org>
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License as
// published by the Free Software Foundation; either version 3 of
// the License, or (at your option) any later version.
//
// This program 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
// General Public License for more details.
//
// You should have received a copy of the GNU General Public License along
// with this program; if not, write to the Free Software Foundation, Inc.,
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
//
// Linking this library statically or dynamically with other modules is making
// a combined work based on this library. Thus, the terms and conditions of
// the GNU General Public License cover the whole combination.
//
#ifndef VMIME_NET_SMTP_SMTPRESPONSE_HPP_INCLUDED
#define VMIME_NET_SMTP_SMTPRESPONSE_HPP_INCLUDED
#include "vmime/config.hpp"
#if VMIME_HAVE_MESSAGING_FEATURES && VMIME_HAVE_MESSAGING_PROTO_SMTP
#include "vmime/object.hpp"
#include "vmime/base.hpp"
namespace vmime {
namespace net {
class socket;
class timeoutHandler;
class tracer;
namespace smtp {
/** A SMTP response, as sent by the server.
*/
class VMIME_EXPORT SMTPResponse : public object {
public:
/** Current state of response parser. */
struct state {
string responseBuffer;
};
/** Enhanced status code (as per RFC-3463). */
struct enhancedStatusCode {
enhancedStatusCode();
enhancedStatusCode(const enhancedStatusCode& enhCode);
unsigned short klass; /**< Success/failure. */
unsigned short subject; /**< Source of anomaly. */
unsigned short detail; /**< Precise error condition. */
};
/** An element of a SMTP response. */
class responseLine {
public:
responseLine(const int code, const string& text, const enhancedStatusCode& enhCode);
void setCode(const int code);
int getCode() const;
void setEnhancedCode(const enhancedStatusCode& enhCode);
const enhancedStatusCode getEnhancedCode() const;
void setText(const string& text);
const string getText() const;
private:
int m_code;
string m_text;
enhancedStatusCode m_enhCode;
};
/** Receive and parse a new SMTP response from the
* specified socket.
*
* @param tr tracer
* @param sok socket from which to read
* @param toh time-out handler
* @param st previous state of response parser for the specified socket
* @return SMTP response
* @throws exceptions::operation_timed_out if no data
* has been received within the granted time
*/
static shared_ptr <SMTPResponse> readResponse(
const shared_ptr <tracer>& tr,
const shared_ptr <socket>& sok,
const shared_ptr <timeoutHandler>& toh,
const state& st
);
/** Return the SMTP response code.
*
* @return response code
*/
int getCode() const;
/** Return the SMTP enhanced status code, if available.
*
* @return enhanced status code
*/
const enhancedStatusCode getEnhancedCode() const;
/** Return the SMTP response text.
* The text of each line is concatenated.
*
* @return response text
*/
const string getText() const;
/** Return the response line at the specified position.
*
* @param pos line index
* @return line at the specified index
*/
const responseLine getLineAt(const size_t pos) const;
/** Return the number of lines in the response.
*
* @return number of lines in the response
*/
size_t getLineCount() const;
/** Return the last line in the response.
*
* @return last response line
*/
const responseLine getLastLine() const;
/** Returns the current state of the response parser.
*
* @return current parser state
*/
const state getCurrentState() const;
private:
SMTPResponse(
const shared_ptr <tracer>& tr,
const shared_ptr <socket>& sok,
const shared_ptr <timeoutHandler>& toh,
const state& st
);
SMTPResponse(const SMTPResponse&);
void readResponse();
const string readResponseLine();
const responseLine getNextResponse();
static int extractResponseCode(const string& response);
static const enhancedStatusCode extractEnhancedCode(const string& responseText);
std::vector <responseLine> m_lines;
shared_ptr <socket> m_socket;
shared_ptr <timeoutHandler> m_timeoutHandler;
shared_ptr <tracer> m_tracer;
string m_responseBuffer;
bool m_responseContinues;
};
VMIME_EXPORT std::ostream& operator<<(std::ostream& os, const SMTPResponse::enhancedStatusCode& code);
} // smtp
} // net
} // vmime
#endif // VMIME_HAVE_MESSAGING_FEATURES && VMIME_HAVE_MESSAGING_PROTO_SMTP
#endif // VMIME_NET_SMTP_SMTPRESPONSE_HPP_INCLUDED
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