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890 lines (793 loc) · 40.2 KB
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#define __STDC_FORMAT_MACROS
#include <inttypes.h>
#include <time.h>
#include <detect.h>
#include <system.h>
#include <argparse.h>
#include <json.h>
#include "server.h"
#include "main.h"
#include "exprtk.hpp"
#include "curl/curl.h"
#if defined(CONF_FAMILY_UNIX)
#include <signal.h>
#endif
#ifndef PRId64
#define PRId64 "I64d"
#endif
static volatile int gs_Running = 1;
static volatile int gs_ReloadConfig = 0;
static void ExitFunc(int Signal)
{
printf("[EXIT] Caught signal %d\n", Signal);
gs_Running = 0;
}
static void ReloadFunc(int Signal)
{
printf("[RELOAD] Caught signal %d\n", Signal);
gs_ReloadConfig = 1;
}
CConfig::CConfig()
{
// Initialize to default values
m_Verbose = false; // -v, --verbose
str_copy(m_aConfigFile, "config.json", sizeof(m_aConfigFile)); // -c, --config
str_copy(m_aWebDir, "../web/", sizeof(m_aJSONFile)); // -d, --web-dir
str_copy(m_aTemplateFile, "template.html", sizeof(m_aTemplateFile));
str_copy(m_aJSONFile, "json/stats.json", sizeof(m_aJSONFile));
str_copy(m_aBindAddr, "", sizeof(m_aBindAddr)); // -b, --bind
m_Port = 35601; // -p, --port
}
CMain::CMain(CConfig Config) : m_Config(Config)
{
mem_zero(m_aClients, sizeof(m_aClients));
for(int i = 0; i < NET_MAX_CLIENTS; i++)
m_aClients[i].m_ClientNetID = -1;
}
CMain::CClient *CMain::ClientNet(int ClientNetID)
{
if(ClientNetID < 0 || ClientNetID >= NET_MAX_CLIENTS)
return 0;
for(int i = 0; i < NET_MAX_CLIENTS; i++)
{
if(Client(i)->m_ClientNetID == ClientNetID)
return Client(i);
}
return 0;
}
int CMain::ClientNetToClient(int ClientNetID)
{
if(ClientNetID < 0 || ClientNetID >= NET_MAX_CLIENTS)
return -1;
for(int i = 0; i < NET_MAX_CLIENTS; i++)
{
if(Client(i)->m_ClientNetID == ClientNetID)
return i;
}
return -1;
}
void CMain::OnNewClient(int ClientNetID, int ClientID)
{
dbg_msg("main", "OnNewClient(ncid=%d, cid=%d)", ClientNetID, ClientID);
Client(ClientID)->m_ClientNetID = ClientNetID;
Client(ClientID)->m_ClientNetType = m_Server.Network()->ClientAddr(ClientNetID)->type;
Client(ClientID)->m_TimeConnected = time_get();
Client(ClientID)->m_Connected = true;
if(Client(ClientID)->m_ClientNetType == NETTYPE_IPV4)
Client(ClientID)->m_Stats.m_Online4 = true;
else if(Client(ClientID)->m_ClientNetType == NETTYPE_IPV6)
Client(ClientID)->m_Stats.m_Online6 = true;
// Send monitor to client
// support by cpp.la
int ID = 0;
char monitorBuffer[2048];
while (strcmp(Monitors(ID)->m_aName, "NULL"))
{
memset(monitorBuffer, 0, sizeof(monitorBuffer));
sprintf(monitorBuffer, "{\"name\":\"%s\",\"host\":\"%s\",\"interval\":%d,\"type\":\"%s\",\"monitor\":%d}", Monitors(ID)->m_aName, Monitors(ID)->m_aHost, Monitors(ID)->m_aInterval, Monitors(ID)->m_aType, ID);
m_Server.Network()->Send(ClientNetID, monitorBuffer);
ID++;
}
}
void CMain::OnDelClient(int ClientNetID)
{
int ClientID = ClientNetToClient(ClientNetID);
dbg_msg("main", "OnDelClient(ncid=%d, cid=%d)", ClientNetID, ClientID);
if(ClientID >= 0 && ClientID < NET_MAX_CLIENTS)
{
Client(ClientID)->m_Connected = false;
Client(ClientID)->m_ClientNetID = -1;
Client(ClientID)->m_ClientNetType = NETTYPE_INVALID;
mem_zero(&Client(ClientID)->m_Stats, sizeof(CClient::CStats));
}
m_OfflineAlarmThreadData.pClients = m_aClients;
m_OfflineAlarmThreadData.pWatchDogs = m_aCWatchDogs;
m_OfflineAlarmThreadData.m_ReloadRequired = ClientID;
thread_create(offlineAlarmThread, &m_OfflineAlarmThreadData);
}
int CMain::HandleMessage(int ClientNetID, char *pMessage)
{
CClient *pClient = ClientNet(ClientNetID);
if(!pClient)
return true;
if(str_comp_num(pMessage, "update", sizeof("update")-1) == 0)
{
char *pData = str_skip_whitespaces(&pMessage[sizeof("update")-1]);
// parse json data
json_settings JsonSettings;
mem_zero(&JsonSettings, sizeof(JsonSettings));
char aError[256];
json_value *pJsonData = json_parse_ex(&JsonSettings, pData, strlen(pData), aError);
if(!pJsonData)
{
dbg_msg("main", "JSON Error: %s", aError);
if(pClient->m_Stats.m_Pong)
m_Server.Network()->Send(ClientNetID, "1");
return 1;
}
// extract data
const json_value &rStart = (*pJsonData);
if(rStart["uptime"].type)
pClient->m_Stats.m_Uptime = rStart["uptime"].u.integer;
if(rStart["load_1"].type)
pClient->m_Stats.m_Load_1 = rStart["load_1"].u.dbl;
if(rStart["load_5"].type)
pClient->m_Stats.m_Load_5 = rStart["load_5"].u.dbl;
if(rStart["load_15"].type)
pClient->m_Stats.m_Load_15 = rStart["load_15"].u.dbl;
if(rStart["ping_10010"].type)
pClient->m_Stats.m_ping_10010 = rStart["ping_10010"].u.dbl;
if(rStart["ping_189"].type)
pClient->m_Stats.m_ping_189 = rStart["ping_189"].u.dbl;
if(rStart["ping_10086"].type)
pClient->m_Stats.m_ping_10086 = rStart["ping_10086"].u.dbl;
if(rStart["time_10010"].type)
pClient->m_Stats.m_time_10010 = rStart["time_10010"].u.integer;
if(rStart["time_189"].type)
pClient->m_Stats.m_time_189 = rStart["time_189"].u.integer;
if(rStart["time_10086"].type)
pClient->m_Stats.m_time_10086 = rStart["time_10086"].u.integer;
if(rStart["tcp"].type)
pClient->m_Stats.m_tcpCount = rStart["tcp"].u.integer;
if(rStart["udp"].type)
pClient->m_Stats.m_udpCount = rStart["udp"].u.integer;
if(rStart["process"].type)
pClient->m_Stats.m_processCount = rStart["process"].u.integer;
if(rStart["thread"].type)
pClient->m_Stats.m_threadCount = rStart["thread"].u.integer;
if(rStart["network_rx"].type)
pClient->m_Stats.m_NetworkRx = rStart["network_rx"].u.integer;
if(rStart["network_tx"].type)
pClient->m_Stats.m_NetworkTx = rStart["network_tx"].u.integer;
if(rStart["network_in"].type)
pClient->m_Stats.m_NetworkIN = rStart["network_in"].u.integer;
if(rStart["network_out"].type)
pClient->m_Stats.m_NetworkOUT = rStart["network_out"].u.integer;
if(rStart["memory_total"].type)
pClient->m_Stats.m_MemTotal = rStart["memory_total"].u.integer;
if(rStart["memory_used"].type)
pClient->m_Stats.m_MemUsed = rStart["memory_used"].u.integer;
if(rStart["swap_total"].type)
pClient->m_Stats.m_SwapTotal = rStart["swap_total"].u.integer;
if(rStart["swap_used"].type)
pClient->m_Stats.m_SwapUsed = rStart["swap_used"].u.integer;
if(rStart["hdd_total"].type)
pClient->m_Stats.m_HDDTotal = rStart["hdd_total"].u.integer;
if(rStart["hdd_used"].type)
pClient->m_Stats.m_HDDUsed = rStart["hdd_used"].u.integer;
if(rStart["io_read"].type)
pClient->m_Stats.m_IORead = rStart["io_read"].u.integer;
if(rStart["io_write"].type)
pClient->m_Stats.m_IOWrite = rStart["io_write"].u.integer;
if(rStart["cpu"].type)
pClient->m_Stats.m_CPU = rStart["cpu"].u.dbl;
if(rStart["online4"].type && pClient->m_ClientNetType == NETTYPE_IPV6)
pClient->m_Stats.m_Online4 = rStart["online4"].u.boolean;
if(rStart["online6"].type && pClient->m_ClientNetType == NETTYPE_IPV4)
pClient->m_Stats.m_Online6 = rStart["online6"].u.boolean;
if(rStart["custom"].type == json_string)
str_copy(pClient->m_Stats.m_aCustom, rStart["custom"].u.string.ptr, sizeof(pClient->m_Stats.m_aCustom));
//copy message for watchdog to analysis
WatchdogMessage(ClientNetID,
pClient->m_Stats.m_Load_1, pClient->m_Stats.m_Load_5, pClient->m_Stats.m_Load_15,
pClient->m_Stats.m_ping_10010, pClient->m_Stats.m_ping_189, pClient->m_Stats.m_ping_10086,
pClient->m_Stats.m_time_10010, pClient->m_Stats.m_time_189, pClient->m_Stats.m_time_10086,
pClient->m_Stats.m_tcpCount, pClient->m_Stats.m_udpCount, pClient->m_Stats.m_processCount,
pClient->m_Stats.m_threadCount, pClient->m_Stats.m_NetworkRx, pClient->m_Stats.m_NetworkTx,
pClient->m_Stats.m_NetworkIN, pClient->m_Stats.m_NetworkOUT,
pClient->m_LastNetworkIN, pClient->m_LastNetworkOUT, pClient->m_Stats.m_MemTotal,
pClient->m_Stats.m_MemUsed, pClient->m_Stats.m_SwapTotal, pClient->m_Stats.m_SwapUsed,
pClient->m_Stats.m_HDDTotal, pClient->m_Stats.m_HDDUsed, pClient->m_Stats.m_IORead,
pClient->m_Stats.m_IOWrite, pClient->m_Stats.m_CPU, pClient->m_Stats.m_Online4,
pClient->m_Stats.m_Online6);
if(m_Config.m_Verbose)
{
if(rStart["online4"].type)
dbg_msg("main", "Online4: %s\nUptime: %" PRId64 "\nLoad_1: %f\nLoad_5: %f\nLoad_15: %f\nPing_10010: %f\nPing_189: %f\nPing_10086: %f\nTime_10010: %" PRId64 "\nTime_189: %" PRId64 "\nTime_10086: %" PRId64 "\nTcp_count: %" PRId64 "\nUdp_count: %" PRId64 "\nprocess_count: %" PRId64 "\nthread_count: %" PRId64 "\nNetworkRx: %" PRId64 "\nNetworkTx: %" PRId64 "\nNetworkIN: %" PRId64 "\nNetworkOUT: %" PRId64 "\nMemTotal: %" PRId64 "\nMemUsed: %" PRId64 "\nSwapTotal: %" PRId64 "\nSwapUsed: %" PRId64 "\nHDDTotal: %" PRId64 "\nHDDUsed: %" PRId64 "\nCPU: %f\nIORead: %" PRId64 "\nIOWrite: %" PRId64 "\n",
rStart["online4"].u.boolean ? "true" : "false",
pClient->m_Stats.m_Uptime,
pClient->m_Stats.m_Load_1, pClient->m_Stats.m_Load_5, pClient->m_Stats.m_Load_15, pClient->m_Stats.m_ping_10010, pClient->m_Stats.m_ping_189, pClient->m_Stats.m_ping_10086, pClient->m_Stats.m_time_10010, pClient->m_Stats.m_time_189, pClient->m_Stats.m_time_10086,pClient->m_Stats.m_tcpCount,pClient->m_Stats.m_udpCount,pClient->m_Stats.m_processCount,pClient->m_Stats.m_threadCount,pClient->m_Stats.m_NetworkRx, pClient->m_Stats.m_NetworkTx, pClient->m_Stats.m_NetworkIN, pClient->m_Stats.m_NetworkOUT, pClient->m_Stats.m_MemTotal, pClient->m_Stats.m_MemUsed, pClient->m_Stats.m_SwapTotal, pClient->m_Stats.m_SwapUsed, pClient->m_Stats.m_HDDTotal, pClient->m_Stats.m_HDDUsed, pClient->m_Stats.m_CPU, pClient->m_Stats.m_IORead, pClient->m_Stats.m_IOWrite);
else if(rStart["online6"].type)
dbg_msg("main", "Online6: %s\nUptime: %" PRId64 "\nLoad_1: %f\nLoad_5: %f\nLoad_15: %f\nPing_10010: %f\nPing_189: %f\nPing_10086: %f\nTime_10010: %" PRId64 "\nTime_189: %" PRId64 "\nTime_10086: %" PRId64 "\nTcp_count: %" PRId64 "\nUdp_count: %" PRId64 "\nprocess_count: %" PRId64 "\nthread_count: %" PRId64 "\nNetworkRx: %" PRId64 "\nNetworkTx: %" PRId64 "\nNetworkIN: %" PRId64 "\nNetworkOUT: %" PRId64 "\nMemTotal: %" PRId64 "\nMemUsed: %" PRId64 "\nSwapTotal: %" PRId64 "\nSwapUsed: %" PRId64 "\nHDDTotal: %" PRId64 "\nHDDUsed: %" PRId64 "\nCPU: %f\nIORead: %" PRId64 "\nIOWrite: %" PRId64 "\n",
rStart["online6"].u.boolean ? "true" : "false",
pClient->m_Stats.m_Uptime,
pClient->m_Stats.m_Load_1, pClient->m_Stats.m_Load_5, pClient->m_Stats.m_Load_15, pClient->m_Stats.m_ping_10010, pClient->m_Stats.m_ping_189, pClient->m_Stats.m_ping_10086, pClient->m_Stats.m_time_10010, pClient->m_Stats.m_time_189, pClient->m_Stats.m_time_10086,pClient->m_Stats.m_tcpCount,pClient->m_Stats.m_udpCount,pClient->m_Stats.m_processCount,pClient->m_Stats.m_threadCount,pClient->m_Stats.m_NetworkRx, pClient->m_Stats.m_NetworkTx, pClient->m_Stats.m_NetworkIN, pClient->m_Stats.m_NetworkOUT, pClient->m_Stats.m_MemTotal, pClient->m_Stats.m_MemUsed, pClient->m_Stats.m_SwapTotal, pClient->m_Stats.m_SwapUsed, pClient->m_Stats.m_HDDTotal, pClient->m_Stats.m_HDDUsed, pClient->m_Stats.m_CPU, pClient->m_Stats.m_IORead, pClient->m_Stats.m_IOWrite);
else
dbg_msg("main", "Uptime: %" PRId64 "\nLoad_1: %f\nLoad_5: %f\nLoad_15: %f\nPing_10010: %f\nPing_189: %f\nPing_10086: %f\nTime_10010: %" PRId64 "\nTime_189: %" PRId64 "\nTime_10086: %" PRId64 "\nTcp_count: %" PRId64 "\nUdp_count: %" PRId64 "\nprocess_count: %" PRId64 "\nthread_count: %" PRId64 "\nNetworkRx: %" PRId64 "\nNetworkTx: %" PRId64 "\nNetworkIN: %" PRId64 "\nNetworkOUT: %" PRId64 "\nMemTotal: %" PRId64 "\nMemUsed: %" PRId64 "\nSwapTotal: %" PRId64 "\nSwapUsed: %" PRId64 "\nHDDTotal: %" PRId64 "\nHDDUsed: %" PRId64 "\nCPU: %f\nIORead: %" PRId64 "\nIOWrite: %" PRId64 "\n",
pClient->m_Stats.m_Uptime,
pClient->m_Stats.m_Load_1, pClient->m_Stats.m_Load_5, pClient->m_Stats.m_Load_15, pClient->m_Stats.m_ping_10010, pClient->m_Stats.m_ping_189, pClient->m_Stats.m_ping_10086, pClient->m_Stats.m_time_10010, pClient->m_Stats.m_time_189, pClient->m_Stats.m_time_10086,pClient->m_Stats.m_tcpCount,pClient->m_Stats.m_udpCount,pClient->m_Stats.m_processCount,pClient->m_Stats.m_threadCount,pClient->m_Stats.m_NetworkRx, pClient->m_Stats.m_NetworkTx, pClient->m_Stats.m_NetworkIN, pClient->m_Stats.m_NetworkOUT, pClient->m_Stats.m_MemTotal, pClient->m_Stats.m_MemUsed, pClient->m_Stats.m_SwapTotal, pClient->m_Stats.m_SwapUsed, pClient->m_Stats.m_HDDTotal, pClient->m_Stats.m_HDDUsed, pClient->m_Stats.m_CPU, pClient->m_Stats.m_IORead, pClient->m_Stats.m_IOWrite);
}
// clean up
json_value_free(pJsonData);
if(pClient->m_Stats.m_Pong)
m_Server.Network()->Send(ClientNetID, "0");
return 0;
}
else if(str_comp_num(pMessage, "pong", sizeof("pong")-1) == 0)
{
char *pData = str_skip_whitespaces(&pMessage[sizeof("pong")-1]);
if(!str_comp(pData, "0") || !str_comp(pData, "off"))
pClient->m_Stats.m_Pong = false;
else if(!str_comp(pData, "1") || !str_comp(pData, "on"))
pClient->m_Stats.m_Pong = true;
return 0;
}
if(pClient->m_Stats.m_Pong)
m_Server.Network()->Send(ClientNetID, "1");
return 1;
}
void CMain::WatchdogMessage(int ClientNetID, double load_1, double load_5, double load_15, double ping_10010, double ping_189, double ping_10086,
double time_10010, double time_189, double time_10086, double tcp_count, double udp_count, double process_count, double thread_count,
double network_rx, double network_tx, double network_in, double network_out, double last_network_in, double last_network_out, double memory_total, double memory_used,
double swap_total, double swap_used, double hdd_total, double hdd_used, double io_read, double io_write, double cpu,
double online4, double online6)
{
int ID = 0;
while (strcmp(Watchdog(ID)->m_aName, "NULL"))
{
// Exprtk库默认使用窄字符类型，但可能会出现中文等Unicode字符无法正确解析的问题。
// todo: 为解决此问题，可以使用宽字符类型替换Exprtk库中默认的窄字符类型。
// #include <string>
// #include <vector>
// #include <exprtk.hpp>
// typedef exprtk::expression<wchar_t> expression_type;
// typedef exprtk::parser<wchar_t> parser_type;
// int main()
// {
// std::wstring expression_string = L"sin(x)";
// expression_type expression;
// parser_type parser;
// parser.compile(expression_string, expression);
// double x = 3.14;
// double result = expression.value();
// return 0;
// }
typedef exprtk::symbol_table<double> symbol_table_t;
typedef exprtk::expression<double> expression_t;
typedef exprtk::parser<double> parser_t;
const std::string expression_string = Watchdog(ID)->m_aRule;
int ClientID = ClientNetToClient(ClientNetID);
std::string username = Client(ClientID)->m_aUsername;
std::string name = Client(ClientID)->m_aName;
std::string type = Client(ClientID)->m_aType;
std::string host = Client(ClientID)->m_aHost;
std::string location = Client(ClientID)->m_aLocation;
symbol_table_t symbol_table;
symbol_table.add_stringvar("username", username);
symbol_table.add_stringvar("name", name);
symbol_table.add_stringvar("type", type);
symbol_table.add_stringvar("host", host);
symbol_table.add_stringvar("location", location);
symbol_table.add_variable("load_1",load_1);
symbol_table.add_variable("load_5",load_5);
symbol_table.add_variable("load_15",load_15);
symbol_table.add_variable("ping_10010",ping_10010);
symbol_table.add_variable("ping_189",ping_189);
symbol_table.add_variable("ping_10086",ping_10086);
symbol_table.add_variable("time_10010",time_10010);
symbol_table.add_variable("time_189",time_189);
symbol_table.add_variable("time_10086",time_10086);
symbol_table.add_variable("tcp_count",tcp_count);
symbol_table.add_variable("udp_count",udp_count);
symbol_table.add_variable("process_count",process_count);
symbol_table.add_variable("thread_count",thread_count);
symbol_table.add_variable("network_rx",network_rx);
symbol_table.add_variable("network_tx",network_tx);
symbol_table.add_variable("network_in",network_in);
symbol_table.add_variable("network_out",network_out);
symbol_table.add_variable("last_network_in",last_network_in);
symbol_table.add_variable("last_network_out",last_network_out);
symbol_table.add_variable("memory_total",memory_total);
symbol_table.add_variable("memory_used",memory_used);
symbol_table.add_variable("swap_total",swap_total);
symbol_table.add_variable("swap_used",swap_used);
symbol_table.add_variable("hdd_total",hdd_total);
symbol_table.add_variable("hdd_used",hdd_used);
symbol_table.add_variable("io_read",io_read);
symbol_table.add_variable("io_write",io_write);
symbol_table.add_variable("cpu",cpu);
symbol_table.add_variable("online4",online4);
symbol_table.add_variable("online6",online6);
symbol_table.add_constants();
expression_t expression;
expression.register_symbol_table(symbol_table);
parser_t parser;
parser.compile(expression_string,expression);
if (expression.value() > 0)
{
time_t currentStamp = (long long)time(/*ago*/0);
if ((currentStamp-Client(ClientID)->m_AlarmLastTime) > Watchdog(ID)->m_aInterval)
{
if (!Client(ClientID)->m_Stats.m_Online4 && !Client(ClientID)->m_Stats.m_Online6)
{
//休眠5分钟如果5分钟后状态发生了变更，消息不发出。
printf("download\n");
}
Client(ClientID)->m_AlarmLastTime = currentStamp;
CURL *curl;
CURLcode res;
curl_global_init(CURL_GLOBAL_ALL);
curl = curl_easy_init();
if(curl) {
//standard time
char standardTime[32]= { 0 };
strftime(standardTime, sizeof(standardTime), "%Y-%m-%d %H:%M:%S",localtime(¤tStamp));
//url encode, Rules conflict with url special characters，eg：&, del rules, by https://cpp.la, 2023-10-09
char encodeBuffer[2048] = { 0 };
sprintf(encodeBuffer, "【告警名称】 %s \n\n【告警时间】 %s \n\n【用户名】 %s \n\n【节点名】 %s \n\n【虚拟化】 %s \n\n【主机名】 %s \n\n【位 置】 %s",
Watchdog(ID)->m_aName,
standardTime,
username.c_str(),
name.c_str(),
type.c_str(),
host.c_str(),
location.c_str());
char *encodeUrl = curl_easy_escape(curl, encodeBuffer, strlen(encodeBuffer));
//standard url
char urlBuffer[2048] = { 0 };
sprintf(urlBuffer, "%s%s",Watchdog(ID)->m_aCallback, encodeUrl);
curl_easy_setopt(curl, CURLOPT_POST, 1L);
curl_easy_setopt(curl, CURLOPT_URL, urlBuffer);
curl_easy_setopt(curl, CURLOPT_POSTFIELDS,"signature=ServerStatus");
curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, 0);
curl_easy_setopt(curl, CURLOPT_SSL_VERIFYHOST, 0);
curl_easy_setopt(curl, CURLOPT_CONNECTTIMEOUT, 3L);
curl_easy_setopt(curl, CURLOPT_TIMEOUT, 6L);
res = curl_easy_perform(curl);
if(res != CURLE_OK)
fprintf(stderr, "watchdog failed: %s\n", curl_easy_strerror(res));
if(encodeUrl)
curl_free(encodeUrl);
curl_easy_cleanup(curl);
}
curl_global_cleanup();
}
}
ID++;
}
}
void CMain::JSONUpdateThread(void *pUser)
{
CJSONUpdateThreadData *m_pJSONUpdateThreadData = (CJSONUpdateThreadData *)pUser;
CClient *pClients = m_pJSONUpdateThreadData->pClients;
CConfig *pConfig = m_pJSONUpdateThreadData->pConfig;
while(gs_Running)
{
char aFileBuf[2048*NET_MAX_CLIENTS];
char *pBuf = aFileBuf;
str_format(pBuf, sizeof(aFileBuf), "{\n\"servers\": [\n");
pBuf += strlen(pBuf);
for(int i = 0; i < NET_MAX_CLIENTS; i++)
{
if(!pClients[i].m_Active || pClients[i].m_Disabled)
continue;
if(pClients[i].m_Connected)
{
// Uptime
char aUptime[16];
int Days = pClients[i].m_Stats.m_Uptime/60.0/60.0/24.0;
if(Days > 0)
{
if(Days > 1)
str_format(aUptime, sizeof(aUptime), "%d 天", Days);
else
str_format(aUptime, sizeof(aUptime), "%d 天", Days);
}
else
str_format(aUptime, sizeof(aUptime), "%02d:%02d:%02d", (int)(pClients[i].m_Stats.m_Uptime/60.0/60.0), (int)((pClients[i].m_Stats.m_Uptime/60)%60), (int)((pClients[i].m_Stats.m_Uptime)%60));
// track month network traffic, diff: 2021-10-01 00:05, 5minutes
// last_network_in/out is last record flag.
time_t currentStamp = (long long)time(/*ago*/0);
if(0 == pClients[i].m_LastNetworkIN || (0 != pClients[i].m_Stats.m_NetworkIN && pClients[i].m_LastNetworkIN > pClients[i].m_Stats.m_NetworkIN) || (localtime(¤tStamp)->tm_mday == pClients[i].m_aMonthStart && localtime(¤tStamp)->tm_hour == 0 && localtime(¤tStamp)->tm_min < 5))
{
pClients[i].m_LastNetworkIN = pClients[i].m_Stats.m_NetworkIN;
pClients[i].m_LastNetworkOUT = pClients[i].m_Stats.m_NetworkOUT;
}
str_format(pBuf, sizeof(aFileBuf) - (pBuf - aFileBuf),
"{ \"name\": \"%s\",\"type\": \"%s\",\"host\": \"%s\",\"location\": \"%s\",\"online4\": %s, \"online6\": %s, \"uptime\": \"%s\",\"load_1\": %.2f, \"load_5\": %.2f, \"load_15\": %.2f,\"ping_10010\": %.2f, \"ping_189\": %.2f, \"ping_10086\": %.2f,\"time_10010\": %" PRId64 ", \"time_189\": %" PRId64 ", \"time_10086\": %" PRId64 ", \"tcp_count\": %" PRId64 ", \"udp_count\": %" PRId64 ", \"process_count\": %" PRId64 ", \"thread_count\": %" PRId64 ", \"network_rx\": %" PRId64 ", \"network_tx\": %" PRId64 ", \"network_in\": %" PRId64 ", \"network_out\": %" PRId64 ", \"cpu\": %d, \"memory_total\": %" PRId64 ", \"memory_used\": %" PRId64 ", \"swap_total\": %" PRId64 ", \"swap_used\": %" PRId64 ", \"hdd_total\": %" PRId64 ", \"hdd_used\": %" PRId64 ", \"last_network_in\": %" PRId64 ", \"last_network_out\": %" PRId64 ",\"io_read\": %" PRId64 ", \"io_write\": %" PRId64 ",\"custom\": \"%s\" },\n",
pClients[i].m_aName,pClients[i].m_aType,pClients[i].m_aHost,pClients[i].m_aLocation,
pClients[i].m_Stats.m_Online4 ? "true" : "false",pClients[i].m_Stats.m_Online6 ? "true" : "false",
aUptime, pClients[i].m_Stats.m_Load_1, pClients[i].m_Stats.m_Load_5, pClients[i].m_Stats.m_Load_15, pClients[i].m_Stats.m_ping_10010, pClients[i].m_Stats.m_ping_189, pClients[i].m_Stats.m_ping_10086,
pClients[i].m_Stats.m_time_10010, pClients[i].m_Stats.m_time_189, pClients[i].m_Stats.m_time_10086,pClients[i].m_Stats.m_tcpCount,pClients[i].m_Stats.m_udpCount,pClients[i].m_Stats.m_processCount,pClients[i].m_Stats.m_threadCount,
pClients[i].m_Stats.m_NetworkRx, pClients[i].m_Stats.m_NetworkTx, pClients[i].m_Stats.m_NetworkIN, pClients[i].m_Stats.m_NetworkOUT, (int)pClients[i].m_Stats.m_CPU, pClients[i].m_Stats.m_MemTotal, pClients[i].m_Stats.m_MemUsed,
pClients[i].m_Stats.m_SwapTotal, pClients[i].m_Stats.m_SwapUsed, pClients[i].m_Stats.m_HDDTotal, pClients[i].m_Stats.m_HDDUsed,
pClients[i].m_Stats.m_NetworkIN == 0 || pClients[i].m_LastNetworkIN == 0 ? pClients[i].m_Stats.m_NetworkIN : pClients[i].m_LastNetworkIN,
pClients[i].m_Stats.m_NetworkOUT == 0 || pClients[i].m_LastNetworkOUT == 0 ? pClients[i].m_Stats.m_NetworkOUT : pClients[i].m_LastNetworkOUT,
pClients[i].m_Stats.m_IORead, pClients[i].m_Stats.m_IOWrite,
pClients[i].m_Stats.m_aCustom);
pBuf += strlen(pBuf);
}
else
{
// sava network traffic record to json when close client
// last_network_in == last network in record, last_network_out == last network out record
str_format(pBuf, sizeof(aFileBuf) - (pBuf - aFileBuf), "{ \"name\": \"%s\", \"type\": \"%s\", \"host\": \"%s\", \"location\": \"%s\", \"online4\": false, \"online6\": false, \"last_network_in\": %" PRId64 ", \"last_network_out\": %" PRId64 " },\n",
pClients[i].m_aName, pClients[i].m_aType, pClients[i].m_aHost, pClients[i].m_aLocation, pClients[i].m_LastNetworkIN, pClients[i].m_LastNetworkOUT);
pBuf += strlen(pBuf);
}
}
if(!m_pJSONUpdateThreadData->m_ReloadRequired)
str_format(pBuf - 2, sizeof(aFileBuf) - (pBuf - aFileBuf), "\n],\n\"updated\": \"%lld\"\n}", (long long)time(/*ago*/0));
else
{
str_format(pBuf - 2, sizeof(aFileBuf) - (pBuf - aFileBuf), "\n],\n\"updated\": \"%lld\",\n\"reload\": true\n}", (long long)time(/*ago*/0));
m_pJSONUpdateThreadData->m_ReloadRequired--;
}
pBuf += strlen(pBuf);
char aJSONFileTmp[1024];
str_format(aJSONFileTmp, sizeof(aJSONFileTmp), "%s~", pConfig->m_aJSONFile);
IOHANDLE File = io_open(aJSONFileTmp, IOFLAG_WRITE);
if(!File)
{
dbg_msg("main", "Couldn't open %s", aJSONFileTmp);
exit(1);
}
io_write(File, aFileBuf, (pBuf - aFileBuf));
io_flush(File);
io_close(File);
fs_rename(aJSONFileTmp, pConfig->m_aJSONFile);
thread_sleep(1000);
}
// support by: https://cpp.la. don't remove month traffic record, storage as "stats.json~", remark: 2021-10-18
// fs_remove(pConfig->m_aJSONFile);
char aJSONFileTmp[1024];
str_format(aJSONFileTmp, sizeof(aJSONFileTmp), "%s~", pConfig->m_aJSONFile);
fs_rename(pConfig->m_aJSONFile, aJSONFileTmp);
}
void CMain::offlineAlarmThread(void *pUser)
{
CJSONUpdateThreadData *m_OfflineAlarmThreadData = (CJSONUpdateThreadData *)pUser;
CClient *pClients = m_OfflineAlarmThreadData->pClients;
CWatchDog *pWatchDogs = m_OfflineAlarmThreadData->pWatchDogs;
volatile short ClientID = m_OfflineAlarmThreadData->m_ReloadRequired;
thread_sleep(25000);
if(!pClients[ClientID].m_Connected)
{
int ID = 0;
while (strcmp(pWatchDogs[ID].m_aName, "NULL"))
{
typedef exprtk::symbol_table<double> symbol_table_t;
typedef exprtk::expression<double> expression_t;
typedef exprtk::parser<double> parser_t;
const std::string expression_string = pWatchDogs[ID].m_aRule;
std::string username = pClients[ClientID].m_aUsername;
std::string name = pClients[ClientID].m_aName;
std::string type = pClients[ClientID].m_aType;
std::string host = pClients[ClientID].m_aHost;
std::string location = pClients[ClientID].m_aLocation;
std::double_t online4 = pClients[ClientID].m_Stats.m_Online4;
std::double_t online6 = pClients[ClientID].m_Stats.m_Online6;
symbol_table_t symbol_table;
symbol_table.add_stringvar("username", username);
symbol_table.add_stringvar("name", name);
symbol_table.add_stringvar("type", type);
symbol_table.add_stringvar("host", host);
symbol_table.add_stringvar("location", location);
symbol_table.add_variable("online4",online4);
symbol_table.add_variable("online6",online6);
symbol_table.add_constants();
expression_t expression;
expression.register_symbol_table(symbol_table);
parser_t parser;
parser.compile(expression_string,expression);
if (expression.value() > 0)
{
time_t currentStamp = (long long)time(/*ago*/0);
if ((currentStamp-pClients[ClientID].m_AlarmLastTime) > pWatchDogs[ID].m_aInterval)
{
printf("客户端下线且超过阈值, Client disconnects and sends alert information\n");
pClients[ClientID].m_AlarmLastTime = currentStamp;
CURL *curl;
CURLcode res;
curl_global_init(CURL_GLOBAL_ALL);
curl = curl_easy_init();
if(curl) {
//standard time
char standardTime[32]= { 0 };
strftime(standardTime, sizeof(standardTime), "%Y-%m-%d %H:%M:%S",localtime(¤tStamp));
//url encode, Rules conflict with url special characters，eg：&, del rules, by https://cpp.la, 2023-10-09
char encodeBuffer[2048] = { 0 };
sprintf(encodeBuffer, "【告警名称】 %s \n\n【告警时间】 %s \n\n【用户名】 %s \n\n【节点名】 %s \n\n【虚拟化】 %s \n\n【主机名】 %s \n\n【位 置】 %s",
pWatchDogs[ID].m_aName,
standardTime,
pClients[ClientID].m_aUsername,
pClients[ClientID].m_aName,
pClients[ClientID].m_aType,
pClients[ClientID].m_aHost,
pClients[ClientID].m_aLocation);
char *encodeUrl = curl_easy_escape(curl, encodeBuffer, strlen(encodeBuffer));
//standard url
char urlBuffer[2048] = { 0 };
sprintf(urlBuffer, "%s%s",pWatchDogs[ID].m_aCallback, encodeUrl);
curl_easy_setopt(curl, CURLOPT_POST, 1L);
curl_easy_setopt(curl, CURLOPT_URL, urlBuffer);
curl_easy_setopt(curl, CURLOPT_POSTFIELDS,"signature=ServerStatus");
curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, 0);
curl_easy_setopt(curl, CURLOPT_SSL_VERIFYHOST, 0);
curl_easy_setopt(curl, CURLOPT_CONNECTTIMEOUT, 3L);
curl_easy_setopt(curl, CURLOPT_TIMEOUT, 6L);
res = curl_easy_perform(curl);
if(res != CURLE_OK)
fprintf(stderr, "watchdog failed: %s\n", curl_easy_strerror(res));
if(encodeUrl)
curl_free(encodeUrl);
curl_easy_cleanup(curl);
}
curl_global_cleanup();
}
else
printf("客户端下线但未超过阈值，No alarm if the threshold is not exceeded\n");
}
ID++;
}
}
else
{
printf("网络波动，No alarm information is sent due to network fluctuations\n");
}
fflush(stdout);
}
int CMain::ReadConfig()
{
// read and parse config
IOHANDLE File = io_open(m_Config.m_aConfigFile, IOFLAG_READ);
if(!File)
{
dbg_msg("main", "Couldn't open %s", m_Config.m_aConfigFile);
return 1;
}
int FileSize = (int)io_length(File);
char *pFileData = (char *)mem_alloc(FileSize + 1, 1);
io_read(File, pFileData, FileSize);
pFileData[FileSize] = 0;
io_close(File);
// parse json data
json_settings JsonSettings;
mem_zero(&JsonSettings, sizeof(JsonSettings));
char aError[256];
json_value *pJsonData = json_parse_ex(&JsonSettings, pFileData, strlen(pFileData), aError);
if(!pJsonData)
{
dbg_msg("main", "JSON Error in file %s: %s", m_Config.m_aConfigFile, aError);
mem_free(pFileData);
return 1;
}
// reset clients
for(int i = 0; i < NET_MAX_CLIENTS; i++)
{
if(!Client(i)->m_Active || !Client(i)->m_Connected)
continue;
m_Server.Network()->Drop(Client(i)->m_ClientNetID, "Server reloading...");
}
mem_zero(m_aClients, sizeof(m_aClients));
for(int i = 0; i < NET_MAX_CLIENTS; i++)
m_aClients[i].m_ClientNetID = -1;
// extract data
int ID = 0;
const json_value &rStart = (*pJsonData)["servers"];
if(rStart.type == json_array)
{
for(unsigned i = 0; i < rStart.u.array.length; i++)
{
if(ID < 0 || ID >= NET_MAX_CLIENTS)
continue;
Client(ID)->m_Active = true;
Client(ID)->m_Disabled = rStart[i]["disabled"].u.boolean;
str_copy(Client(ID)->m_aName, rStart[i]["name"].u.string.ptr, sizeof(Client(ID)->m_aName));
str_copy(Client(ID)->m_aUsername, rStart[i]["username"].u.string.ptr, sizeof(Client(ID)->m_aUsername));
str_copy(Client(ID)->m_aType, rStart[i]["type"].u.string.ptr, sizeof(Client(ID)->m_aType));
str_copy(Client(ID)->m_aHost, rStart[i]["host"].u.string.ptr, sizeof(Client(ID)->m_aHost));
str_copy(Client(ID)->m_aLocation, rStart[i]["location"].u.string.ptr, sizeof(Client(ID)->m_aLocation));
str_copy(Client(ID)->m_aPassword, rStart[i]["password"].u.string.ptr, sizeof(Client(ID)->m_aPassword));
//if month start day > 28, diff: 3days(29,30,31)
Client(ID)->m_aMonthStart = rStart[i]["monthstart"].u.integer;
if(Client(ID)->m_aMonthStart > 28)
{
Client(ID)->m_aMonthStart = 28;
}
Client(ID)->m_LastNetworkIN = 0;
Client(ID)->m_LastNetworkOUT = 0;
if(m_Config.m_Verbose)
{
if(Client(ID)->m_Disabled)
dbg_msg("main", "[#%d: Name: \"%s\", Username: \"%s\", Type: \"%s\", Host: \"%s\", Location: \"%s\", Password: \"%s\", MonthStart: %\" PRId64 \"]",
ID, Client(ID)->m_aName, Client(ID)->m_aUsername, Client(ID)->m_aType, Client(ID)->m_aHost, Client(ID)->m_aLocation, Client(ID)->m_aPassword, Client(ID)->m_aMonthStart);
else
dbg_msg("main", "#%d: Name: \"%s\", Username: \"%s\", Type: \"%s\", Host: \"%s\", Location: \"%s\", Password: \"%s\", MonthStart: %\" PRId64 \"",
ID, Client(ID)->m_aName, Client(ID)->m_aUsername, Client(ID)->m_aType, Client(ID)->m_aHost, Client(ID)->m_aLocation, Client(ID)->m_aPassword, Client(ID)->m_aMonthStart);
}
ID++;
}
}
// watch dog
// support by: https://cpp.la
ID = 0;
const json_value &jStart = (*pJsonData)["watchdog"];
if(jStart.type == json_array)
{
for(unsigned i = 0; i < jStart.u.array.length; i++)
{
if(ID < 0 || ID >= NET_MAX_CLIENTS)
continue;
str_copy(Watchdog(ID)->m_aName, jStart[i]["name"].u.string.ptr, sizeof(Watchdog(ID)->m_aName));
str_copy(Watchdog(ID)->m_aRule, jStart[i]["rule"].u.string.ptr, sizeof(Watchdog(ID)->m_aRule));
Watchdog(ID)->m_aInterval = jStart[i]["interval"].u.integer;
str_copy(Watchdog(ID)->m_aCallback, jStart[i]["callback"].u.string.ptr, sizeof(Watchdog(ID)->m_aCallback));
ID++;
}
str_copy(Watchdog(ID)->m_aName, "NULL", sizeof(Watchdog(ID)->m_aName));
} else
str_copy(Watchdog(ID)->m_aName, "NULL", sizeof(Watchdog(ID)->m_aName));
// monitor
// support by: https://cpp.la
ID = 0;
const json_value &mStart = (*pJsonData)["monitors"];
if(mStart.type == json_array)
{
for(unsigned i = 0; i < mStart.u.array.length; i++)
{
if(ID < 0 || ID >= NET_MAX_CLIENTS)
continue;
str_copy(Monitors(ID)->m_aName, mStart[i]["name"].u.string.ptr, sizeof(Monitors(ID)->m_aName));
str_copy(Monitors(ID)->m_aHost, mStart[i]["host"].u.string.ptr, sizeof(Monitors(ID)->m_aHost));
Monitors(ID)->m_aInterval = mStart[i]["interval"].u.integer;
str_copy(Monitors(ID)->m_aType, mStart[i]["type"].u.string.ptr, sizeof(Monitors(ID)->m_aType));
ID++;
}
str_copy(Monitors(ID)->m_aName, "NULL", sizeof(Monitors(ID)->m_aName));
} else
str_copy(Monitors(ID)->m_aName, "NULL", sizeof(Monitors(ID)->m_aName));
// if file exists, read last network traffic record，reset m_LastNetworkIN and m_LastNetworkOUT
// support by: https://cpp.la
IOHANDLE nFile = io_open(m_Config.m_aJSONFile, IOFLAG_READ);
if(!nFile)
{
char aJSONFileTmp[1024];
str_format(aJSONFileTmp, sizeof(aJSONFileTmp), "%s~", m_Config.m_aJSONFile);
nFile = io_open(aJSONFileTmp, IOFLAG_READ);
}
if(nFile)
{
int nFileSize = (int)io_length(nFile);
char *pNFileData = (char *)mem_alloc(nFileSize + 1, 1);
io_read(nFile, pNFileData, nFileSize);
pNFileData[nFileSize] = 0;
io_close(nFile);
json_settings nJsonSettings;
mem_zero(&nJsonSettings, sizeof(nJsonSettings));
json_value *pNJsonData = json_parse_ex(&nJsonSettings, pNFileData, strlen(pNFileData), aError);
if(pNJsonData)
{
const json_value &cStart = (*pNJsonData)["servers"];
if(rStart.type == json_array)
{
int ID = 0;
for(unsigned i = 0; i < rStart.u.array.length; i++)
{
if(ID < 0 || ID >= NET_MAX_CLIENTS)
continue;
for(unsigned j = 0; j < cStart.u.array.length; j++)
{
if(strcmp(Client(ID)->m_aName, cStart[j]["name"].u.string.ptr)==0 &&
strcmp(Client(ID)->m_aType, cStart[j]["type"].u.string.ptr)==0 &&
strcmp(Client(ID)->m_aHost, cStart[j]["host"].u.string.ptr)==0 &&
strcmp(Client(ID)->m_aLocation, cStart[j]["location"].u.string.ptr)==0)
{
Client(ID)->m_LastNetworkIN = cStart[j]["last_network_in"].u.integer;
Client(ID)->m_LastNetworkOUT = cStart[j]["last_network_out"].u.integer;
break;
}
}
ID++;
}
}
json_value_free(pNJsonData);
}
mem_free(pNFileData);
}
// clean up
json_value_free(pJsonData);
mem_free(pFileData);
// tell clients to reload the page
m_JSONUpdateThreadData.m_ReloadRequired = 2;
return 0;
}
int CMain::Run()
{
if(m_Server.Init(this, m_Config.m_aBindAddr, m_Config.m_Port))
return 1;
if(ReadConfig())
return 1;
// Start JSON Update Thread
m_JSONUpdateThreadData.m_ReloadRequired = 2;
m_JSONUpdateThreadData.pClients = m_aClients;
m_JSONUpdateThreadData.pConfig = &m_Config;
m_JSONUpdateThreadData.pWatchDogs = m_aCWatchDogs;
void *LoadThread = thread_create(JSONUpdateThread, &m_JSONUpdateThreadData);
//thread_detach(LoadThread);
while(gs_Running)
{
if(gs_ReloadConfig)
{
if(ReadConfig())
return 1;
m_Server.NetBan()->UnbanAll();
gs_ReloadConfig = 0;
}
m_Server.Update();
// wait for incomming data
net_socket_read_wait(*m_Server.Network()->Socket(), 10);
}
dbg_msg("server", "Closing.");
m_Server.Network()->Close();
thread_wait(LoadThread);
return 0;
}
int main(int argc, const char *argv[])
{
int RetVal;
dbg_logger_stdout();
#if defined(CONF_FAMILY_UNIX)
signal(SIGINT, ExitFunc);
signal(SIGTERM, ExitFunc);
signal(SIGQUIT, ExitFunc);
signal(SIGHUP, ReloadFunc);
#endif
char aUsage[128];
CConfig Config;
str_format(aUsage, sizeof(aUsage), "%s [options]", argv[0]);
const char *pConfigFile = 0;
const char *pWebDir = 0;
const char *pBindAddr = 0;
struct argparse_option aOptions[] = {
OPT_HELP(),
OPT_BOOLEAN('v', "verbose", &Config.m_Verbose, "Verbose output", 0),
OPT_STRING('c', "config", &pConfigFile, "Config file to use", 0),
OPT_STRING('d', "web-dir", &pWebDir, "Location of the web directory", 0),
OPT_STRING('b', "bind", &pBindAddr, "Bind to address", 0),
OPT_INTEGER('p', "port", &Config.m_Port, "Listen on port", 0),
OPT_END(),
};
struct argparse Argparse;
argparse_init(&Argparse, aOptions, aUsage, 0);
argc = argparse_parse(&Argparse, argc, argv);
if(pConfigFile)
str_copy(Config.m_aConfigFile, pConfigFile, sizeof(Config.m_aConfigFile));
if(pWebDir)
str_copy(Config.m_aWebDir, pWebDir, sizeof(Config.m_aWebDir));
if(pBindAddr)
str_copy(Config.m_aBindAddr, pBindAddr, sizeof(Config.m_aBindAddr));
if(Config.m_aWebDir[strlen(Config.m_aWebDir)-1] != '/')
str_append(Config.m_aWebDir, "/", sizeof(Config.m_aWebDir));
if(!fs_is_dir(Config.m_aWebDir))
{
dbg_msg("main", "ERROR: Can't find web directory: %s", Config.m_aWebDir);
return 1;
}
char aTmp[1024];
str_format(aTmp, sizeof(aTmp), "%s%s", Config.m_aWebDir, Config.m_aJSONFile);
str_copy(Config.m_aJSONFile, aTmp, sizeof(Config.m_aJSONFile));
CMain Main(Config);
RetVal = Main.Run();
return RetVal;
}