mirror of
https://github.com/monero-project/monero.git
synced 2024-11-18 00:37:43 +00:00
376 lines
No EOL
11 KiB
C++
376 lines
No EOL
11 KiB
C++
// Copyright (c) 2006-2013, Andrey N. Sabelnikov, www.sabelnikov.net
|
|
// All rights reserved.
|
|
//
|
|
// Redistribution and use in source and binary forms, with or without
|
|
// modification, are permitted provided that the following conditions are met:
|
|
// * Redistributions of source code must retain the above copyright
|
|
// notice, this list of conditions and the following disclaimer.
|
|
// * Redistributions in binary form must reproduce the above copyright
|
|
// notice, this list of conditions and the following disclaimer in the
|
|
// documentation and/or other materials provided with the distribution.
|
|
// * Neither the name of the Andrey N. Sabelnikov nor the
|
|
// names of its contributors may be used to endorse or promote products
|
|
// derived from this software without specific prior written permission.
|
|
//
|
|
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
|
|
// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
|
|
// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
|
// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER BE LIABLE FOR ANY
|
|
// DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
|
|
// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
|
|
// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
|
|
// ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
|
|
// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
//
|
|
|
|
|
|
|
|
#ifndef _MUNIN_CONNECTION_HANDLER_H_
|
|
#define _MUNIN_CONNECTION_HANDLER_H_
|
|
|
|
#include <string>
|
|
#include "net_utils_base.h"
|
|
#include "to_nonconst_iterator.h"
|
|
#include "http_base.h"
|
|
#include "reg_exp_definer.h"
|
|
|
|
#define MUNIN_ARGS_DEFAULT(vertial_lable_str) "graph_args --base 1000 -l 0 --vertical-label " vertial_lable_str " \n"
|
|
#define MUNIN_ARGS_FORCE_AUPPER_LIMIT(vertial_lable_str, limit) "graph_args --base 1000 -l 0 --vertical-label " vertial_lable_str " --rigid --upper-limit " limit " \n"
|
|
#define MUNIN_TITLE(title_str) "graph_title " title_str "\n"
|
|
#define MUNIN_CATEGORY(category_str) "graph_category " category_str "\n"
|
|
#define MUNIN_INFO(info_str) "graph_info " info_str "\n"
|
|
#define MUNIN_ENTRY(var_name) #var_name".label " #var_name "\n" #var_name".info "#var_name".\n"
|
|
#define MUNIN_ENTRY_AREA(var_name) #var_name".label " #var_name "\n" #var_name".info "#var_name".\n" #var_name".draw AREASTACK\n"
|
|
#define MUNIN_ENTRY_ALIAS(var_name, alias) #var_name".label " #alias"\n" #var_name".info "#alias".\n"
|
|
#define BEGIN_MUNIN_SERVICE(servivece_name_str) if(servivece_name_str == pservice->m_service_name) {
|
|
#define END_MUNIN_SERVICE() }
|
|
#define MUNIN_SERVICE_PARAM(munin_var_name_str, variable) paramters_text += std::string() + munin_var_name_str ".value " + boost::lexical_cast<std::string>(variable) + "\n"
|
|
|
|
|
|
|
|
|
|
namespace epee
|
|
{
|
|
namespace net_utils
|
|
{
|
|
namespace munin
|
|
{
|
|
|
|
|
|
/************************************************************************/
|
|
/* */
|
|
/************************************************************************/
|
|
struct munin_service;
|
|
|
|
struct munin_service_data_provider
|
|
{
|
|
virtual bool update_service_data(munin_service* pservice, std::string& paramters_text)=0;
|
|
};
|
|
|
|
struct munin_service
|
|
{
|
|
std::string m_service_name;
|
|
std::string m_service_config_string;
|
|
munin_service_data_provider* m_pdata_provider;
|
|
};
|
|
|
|
struct node_server_config
|
|
{
|
|
std::list<munin_service> m_services;
|
|
//TODO:
|
|
};
|
|
|
|
struct fake_send_handler: public i_service_endpoint
|
|
{
|
|
virtual bool do_send(const void* ptr, size_t cb)
|
|
{
|
|
m_cache += std::string((const char*)ptr, cb);
|
|
return true;
|
|
}
|
|
public:
|
|
|
|
std::string m_cache;
|
|
};
|
|
|
|
/************************************************************************/
|
|
/* */
|
|
/************************************************************************/
|
|
class munin_node_server_connection_handler
|
|
{
|
|
public:
|
|
typedef node_server_config config_type;
|
|
typedef connection_context_base connection_context;
|
|
|
|
munin_node_server_connection_handler(i_service_endpoint* psnd_hndlr, config_type& config, const connection_context_base& context):m_psnd_hndlr(psnd_hndlr),
|
|
m_machine_state(http_state_retriving_comand_line),
|
|
m_config(config)
|
|
{
|
|
init();
|
|
}
|
|
virtual ~munin_node_server_connection_handler()
|
|
{
|
|
|
|
}
|
|
|
|
bool release_protocol()
|
|
{
|
|
return true;
|
|
}
|
|
bool after_init_connection()
|
|
{
|
|
std::string hello_str = "# munin node at ";
|
|
hello_str += m_host_name + "\n";
|
|
send_hook(hello_str);
|
|
return true;
|
|
}
|
|
|
|
virtual bool thread_init()
|
|
{
|
|
return true;
|
|
}
|
|
|
|
virtual bool thread_deinit()
|
|
{
|
|
return true;
|
|
}
|
|
|
|
void handle_qued_callback()
|
|
{
|
|
|
|
}
|
|
|
|
virtual bool handle_recv(const void* ptr, size_t cb)
|
|
{
|
|
|
|
const char* pbuff = (const char*)ptr;
|
|
std::string recvd_buff(pbuff, cb);
|
|
LOG_PRINT("munin_recv: \n" << recvd_buff, LOG_LEVEL_3);
|
|
|
|
m_cache += recvd_buff;
|
|
|
|
bool stop_handling = false;
|
|
while(!stop_handling)
|
|
{
|
|
switch(m_machine_state)
|
|
{
|
|
case http_state_retriving_comand_line:
|
|
{
|
|
|
|
std::string::size_type fpos = m_cache.find('\n');
|
|
if(std::string::npos != fpos )
|
|
{
|
|
bool res = handle_command(m_cache);
|
|
if(!res)
|
|
return false;
|
|
m_cache.erase(0, fpos+1);
|
|
continue;
|
|
}
|
|
stop_handling = true;
|
|
}
|
|
break;
|
|
case http_state_error:
|
|
stop_handling = true;
|
|
return false;
|
|
default:
|
|
LOG_ERROR("Error in munin state machine! Unkonwon state=" << m_machine_state);
|
|
stop_handling = true;
|
|
m_machine_state = http_state_error;
|
|
return false;
|
|
}
|
|
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
private:
|
|
|
|
|
|
bool init()
|
|
{
|
|
char hostname[64] = {0};
|
|
int res = gethostname(hostname, 64);
|
|
hostname[63] = 0;//be happy
|
|
m_host_name = hostname;
|
|
return true;
|
|
}
|
|
bool handle_command(const std::string& command)
|
|
{
|
|
// list, nodes, config, fetch, version or quit
|
|
STATIC_REGEXP_EXPR_1(rexp_match_command_line, "^((list)|(nodes)|(config)|(fetch)|(version)|(quit))(\\s+(\\S+))?", boost::regex::icase | boost::regex::normal);
|
|
// 12 3 4 5 6 7 8 9
|
|
size_t match_len = 0;
|
|
boost::smatch result;
|
|
if(boost::regex_search(command, result, rexp_match_command_line, boost::match_default) && result[0].matched)
|
|
{
|
|
if(result[2].matched)
|
|
{//list command
|
|
return handle_list_command();
|
|
}else if(result[3].matched)
|
|
{//nodes command
|
|
return handle_nodes_command();
|
|
}else if(result[4].matched)
|
|
{//config command
|
|
if(result[9].matched)
|
|
return handle_config_command(result[9]);
|
|
else
|
|
{
|
|
send_hook("Unknown service\n");
|
|
}
|
|
}else if(result[5].matched)
|
|
{//fetch command
|
|
if(result[9].matched)
|
|
return handle_fetch_command(result[9]);
|
|
else
|
|
{
|
|
send_hook("Unknown service\n");
|
|
}
|
|
}else if(result[6].matched)
|
|
{//version command
|
|
return handle_version_command();
|
|
}else if(result[7].matched)
|
|
{//quit command
|
|
return handle_quit_command();
|
|
}
|
|
else
|
|
return send_hook("Unknown command. Try list, nodes, config, fetch, version or quit\n");
|
|
}
|
|
|
|
return send_hook("Unknown command. Try list, nodes, config, fetch, version or quit\n");;
|
|
}
|
|
|
|
bool handle_list_command()
|
|
{
|
|
std::string buff_to_send;
|
|
for(std::list<munin_service>::const_iterator it = m_config.m_services.begin(); it!=m_config.m_services.end();it++)
|
|
{
|
|
buff_to_send += it->m_service_name + " ";
|
|
}
|
|
buff_to_send+='\n';
|
|
return send_hook(buff_to_send);
|
|
}
|
|
bool handle_nodes_command()
|
|
{
|
|
//supports only one node - host name
|
|
send_hook(m_host_name + "\n.\n");
|
|
return true;
|
|
}
|
|
bool handle_config_command(const std::string& service_name)
|
|
{
|
|
munin_service* psrv = get_service_by_name(service_name);
|
|
if(!psrv)
|
|
return send_hook(std::string() + "Unknown service\n");
|
|
|
|
|
|
return send_hook(psrv->m_service_config_string + ".\n");
|
|
}
|
|
|
|
bool handle_fetch_command(const std::string& service_name)
|
|
{
|
|
munin_service* psrv = get_service_by_name(service_name);
|
|
if(!psrv)
|
|
return send_hook(std::string() + "Unknown service\n");
|
|
|
|
std::string buff;
|
|
psrv->m_pdata_provider->update_service_data(psrv, buff);
|
|
|
|
buff += ".\n";
|
|
return send_hook(buff);
|
|
}
|
|
bool handle_version_command()
|
|
{
|
|
return send_hook("Munin node component by Andrey Sabelnikov\n");
|
|
}
|
|
bool handle_quit_command()
|
|
{
|
|
return false;
|
|
}
|
|
|
|
bool send_hook(const std::string& buff)
|
|
{
|
|
LOG_PRINT("munin_send: \n" << buff, LOG_LEVEL_3);
|
|
|
|
if(m_psnd_hndlr)
|
|
return m_psnd_hndlr->do_send(buff.data(), buff.size());
|
|
else
|
|
return false;
|
|
}
|
|
|
|
|
|
munin_service* get_service_by_name(const std::string& srv_name)
|
|
{
|
|
std::list<munin_service>::iterator it = m_config.m_services.begin();
|
|
for(; it!=m_config.m_services.end(); it++)
|
|
if(it->m_service_name == srv_name)
|
|
break;
|
|
|
|
if(it==m_config.m_services.end())
|
|
return NULL;
|
|
|
|
return &(*it);
|
|
}
|
|
|
|
enum machine_state{
|
|
http_state_retriving_comand_line,
|
|
http_state_error
|
|
};
|
|
|
|
|
|
config_type& m_config;
|
|
machine_state m_machine_state;
|
|
std::string m_cache;
|
|
std::string m_host_name;
|
|
protected:
|
|
i_service_endpoint* m_psnd_hndlr;
|
|
};
|
|
|
|
|
|
inline bool test_self()
|
|
{
|
|
/*WSADATA w;
|
|
::WSAStartup(MAKEWORD(1, 1), &w);
|
|
node_server_config sc;
|
|
sc.m_services.push_back(munin_service());
|
|
sc.m_services.back().m_service_name = "test_service";
|
|
|
|
sc.m_services.back().m_service_config_string =
|
|
"graph_args --base 1000 -l 0 --vertical-label N --upper-limit 329342976\n"
|
|
"graph_title REPORTS STATICTICS\n"
|
|
"graph_category bind\n"
|
|
"graph_info This graph shows how many reports came in fixed time period.\n"
|
|
"graph_order apps free swap\n"
|
|
"apps.label apps\n"
|
|
"apps.draw AREA\n"
|
|
"apps.info Memory used by user-space applications.\n"
|
|
"swap.label swap\n"
|
|
"swap.draw STACK\n"
|
|
"swap.info Swap space used.\n"
|
|
"free.label unused\n"
|
|
"free.draw STACK\n"
|
|
"free.info Wasted memory. Memory that is not used for anything at all.\n"
|
|
"committed.label committed\n"
|
|
"committed.draw LINE2\n"
|
|
"committed.warn 625410048\n"
|
|
"committed.info The amount of memory that would be used if all the memory that's been allocated were to be used.\n";
|
|
|
|
|
|
sc.m_services.push_back(munin_service());
|
|
sc.m_services.back().m_service_name = "test_service1";
|
|
fake_send_handler fh;
|
|
munin_node_server_connection_handler mh(&fh, sc);
|
|
|
|
std::string buff = "list\n";
|
|
mh.handle_recv(buff.data(), buff.size());
|
|
|
|
|
|
buff = "nodes\n";
|
|
mh.handle_recv(buff.data(), buff.size());
|
|
*/
|
|
return true;
|
|
}
|
|
|
|
}
|
|
}
|
|
}
|
|
#endif//!_MUNIN_CONNECTION_HANDLER_H_
|