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Diffstat (limited to 'contrib/epee/include/net/munin_connection_handler.h')
-rw-r--r-- | contrib/epee/include/net/munin_connection_handler.h | 376 |
1 files changed, 0 insertions, 376 deletions
diff --git a/contrib/epee/include/net/munin_connection_handler.h b/contrib/epee/include/net/munin_connection_handler.h deleted file mode 100644 index 20dc38507..000000000 --- a/contrib/epee/include/net/munin_connection_handler.h +++ /dev/null @@ -1,376 +0,0 @@ -// 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! Unknown 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_ |