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/*
Copyright (C) 2005-2009 Michel de Boer <michel@twinklephone.com>
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 2 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/**
* @file
* Call history
*/
#ifndef _CALL_HISTORY_H
#define _CALL_HISTORY_H
#include <list>
#include <string>
#include <sys/time.h>
#include "parser/request.h"
#include "parser/response.h"
#include "sockets/url.h"
#include "threads/mutex.h"
#include "utils/record_file.h"
using namespace std;
/** Call detail record. */
class t_call_record : public utils::t_record {
public:
/** Release cause of a call. */
enum t_rel_cause {
CS_LOCAL_USER, /**< Released by the local user. */
CS_REMOTE_USER, /**< Released by the remote user. */
CS_FAILURE /**< Call ended due to failure. */
};
/** Direction of the call as seen from the user. */
enum t_direction {
DIR_IN, /**< Incoming call. */
DIR_OUT /**< Outgoing call. */
};
private:
static t_mutex mtx_class; /**< Protect static members. */
static unsigned short next_id; /**< Next id to be used. */
unsigned short id; /**< Record id. */
public:
time_t time_start; /**< Timestamp of start of call. */
time_t time_answer; /**< Timestamp when call got answered. */
time_t time_end; /**< Timestamp of end of call. */
t_direction direction;
string from_display;
t_url from_uri;
string from_organization;
string to_display;
t_url to_uri;
string to_organization;
string reply_to_display;
t_url reply_to_uri;
string referred_by_display;
t_url referred_by_uri;
string subject;
t_rel_cause rel_cause;
int invite_resp_code; /**< Response code sent/received on INVITE. */
string invite_resp_reason; /**< Response reason sent/received on INVITE. */
string far_end_device; /**< User-agent/Server description of device. */
string user_profile;
/** Constructor. */
t_call_record();
/**
* Clear current settings and get a new record id.
* So this action creates a brand new call record.
*/
void renew();
/**
* Record call start.
* @param invite [in] The INVITE request starting the call.
* @param dir [in] Call direction.
* @param _user_profile [in] The user profile.
*/
void start_call(const t_request *invite, t_direction dir, const string &_user_profile);
/**
* Record call failure. This is also the end of the call.
* @param resp [in] The failure response.
*/
void fail_call(const t_response *resp);
/**
* Record successful call answer.
* @param resp [in] The 2XX INVITE response.
*/
void answer_call(const t_response *resp);
/**
* Record end of a successful call with an explicit cause.
* @param cause [in] The release cause.
*/
void end_call(t_rel_cause cause);
/**
* Record end of a successful call.
* If far_end is true, then the far-end ended the call, otherwise
* the near-end ended the call. This indication together with the
* direction determines the correct cause of the call end.
* @param far_end [in] Indicates if the far end released the call.
*/
void end_call(bool far_end);
/**
* Get user presentable release cause description.
* The release cause is returned in the language of the user.
* @return Release cause description.
*/
string get_rel_cause(void) const;
/**
* Get release cause description for internal use.
* This description is written to file.
* @return Release cause description.
*/
string get_rel_cause_internal(void) const;
/**
* Get user presentable direction description.
* The description is returned in the language of the user.
* @return Direction description.
*/
string get_direction(void) const;
/**
* Get direction description for internal use.
* This description is written to file.
* @return Direction description.
*/
string get_direction_internal(void) const;
/**
* Set the release cause from an internal description.
* @param cause [in] Internal release cause description.
* @return Indication if operation succeeded.
*/
bool set_rel_cause(const string &cause);
/**
* Set the direction from an internal description.
* @param cause [in] Internal direction description.
* @return Indication if operation succeeded.
*/
bool set_direction(const string &dir);
virtual bool create_file_record(vector<string> &v) const;
virtual bool populate_from_file_record(const vector<string> &v);
/**
* Check if this call record represents a valid call.
* @return Indication if call record is valid.
*/
bool is_valid(void) const;
/** Get the record id. */
unsigned short get_id(void) const;
};
/** History of calls. */
class t_call_history : public utils::t_record_file<t_call_record> {
private:
/** Number of missed calls since this counter was cleared. */
int num_missed_calls;
public:
/** Constructor. */
t_call_history();
/**
* Add a call record to the history.
* @param call_record [in] The call record to be added.
* @param write [in] Indicates if history must be written to file after adding.
*/
void add_call_record(const t_call_record &call_record, bool write = true);
/**
* Delete record with a given id.
* @param id [in] The record id that must be deleted.
* @param write [in] Indicates if history must be written to file after deleting.
*/
void delete_call_record(unsigned short id, bool write = true);
/**
* Get list of historic call records.
* @param history [out] List of historic call records.
*/
void get_history(list<t_call_record> &history);
/**
* Clear call history file.
* @param write [in] Indicates if history must be written to file after adding.
*/
void clear(bool write = true);
/** Get number of missed calls. */
int get_num_missed_calls(void) const;
/** Clear number of missed calls. */
void clear_num_missed_calls(void);
};
extern t_call_history *call_history;
#endif
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