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// Copyright © 2013 sss
//.
// 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.
#ifndef API_PROTOCOL_H
#define API_PROTOCOL_H
namespace proto {
struct service_s
{
struct cmd
{
std::string command, description;
#ifdef DEBUG
bool operator==(const cmd&) const;
#endif
};
std::string service;
std::list<cmd> cmds;
#ifdef DEBUG
bool operator==(const service_s&) const;
bool operator!=(const service_s&) const;
#endif
};
struct svc_cmd
{
std::string service, command;
};
enum packet_type {TYPE_AUTH, TYPE_SERVICES, TYPE_COMMAND, TYPE_CUSTOM, TYPE_UNKNOWN};
enum status {STATUS_FAILURE = 0x00, STATUS_SUCCESS = 0x01};
class packet
{
public:
explicit packet(std::vector<unsigned char>&);
const std::vector<unsigned char> &raw();
unsigned char *buf();
packet_type get_type();
bool is_good();
status get_status(); //false on fail
bool is_server_packet();
bool is_client_packet();
bool is_status_packet();
bool assign(packet&);
bool assign(std::vector<unsigned char>&);
//helper functions:
//client functions
static packet *cli_make_init_packet(); //should be first packet to server
static packet *cli_make_command_packet(std::string &service, std::string &command);
static packet *cli_make_command_packet(const char* service, const char* command);
static packet *cli_make_request_services_packet();
static packet *cli_make_status_packet(packet_type type, status s);
static std::list<service_s> *cli_extract_services(packet&);
static std::string cli_parse_command_reply(packet&);
//server functions
static bool serv_validate_client_proto(packet&); //false on fail
static packet *serv_make_services_packet(std::list<service_s>&);
static packet *serv_make_command_reply_packet(std::string&, status s);
static packet *serv_make_command_reply_packet(const char*, status s);
static packet *serv_make_command_reply_packet(std::vector<unsigned char>&, status s);
static packet *serv_make_status_packet(packet_type type, status s);
static svc_cmd serv_extract_command(packet&);
private:
std::vector<unsigned char> data;
};
};
#endif
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