base

fhs/fimngd/src/Process.cpp

@@ -0,0 +1,131 @@
+#include "Process.h"
+
+bool CProcess::IS_DAEMON = false;
+
+CProcess::CProcess()
+	: m_pid(-1), m_launched(false)
+{
+
+}
+
+CProcess::~CProcess()
+{
+
+}
+
+bool CProcess::Daemon() {
+
+	if (IS_DAEMON == false && daemon(1, 0) == -1) {
+		cerr << "Error detaching";
+		return false;
+	}
+
+	IS_DAEMON = true;
+	return true;
+}
+
+bool CProcess::IsProcessRun(const char* pname) {
+	char tempBuffer[512];
+	FILE * fd = NULL;
+	bool bRun = false;
+
+	snprintf(tempBuffer, sizeof(tempBuffer), "pgrep -x %s | sort", pname);
+
+	fd = popen(tempBuffer, "r");
+	if (fd == NULL)
+	{
+
+		cerr << "[ERR] Process check failed. [popen error][" << strerror(errno) << "]" << endl;
+		// 오류 발생시 true 반환하여 프로세스 실행 방지처리
+		return true;
+	}
+	else
+	{
+	
+		void(*intsave)(int) = signal(SIGINT, SIG_IGN);
+		void(*quitsave)(int) = signal(SIGTERM, SIG_IGN);
+		void(*chldave)(int) = signal(SIGCHLD, SIG_IGN);
+
+		memset(tempBuffer, 0x00, sizeof(tempBuffer));
+		while (fgets(tempBuffer, sizeof(tempBuffer) - 1, fd) != NULL)
+		{
+			string tempPid(tempBuffer);
+			//Trim(tempPid);
+
+			pid_t pid = atoi(tempPid.c_str());
+			if (pid > 0)
+			{
+				bRun = true;
+				break;
+			}
+		}
+
+		signal(SIGINT, intsave);
+		signal(SIGTERM, quitsave);
+		signal(SIGCHLD, chldave);
+
+		pclose(fd);
+		return bRun;
+	}
+}
+
+bool CProcess::IsCurrentProcessRun(const char* pname) {
+	char tempBuffer[512];
+	FILE * fd = NULL;
+	bool bRun = false;
+
+	snprintf(tempBuffer, sizeof(tempBuffer), "pgrep -x %s | sort", pname);
+
+	fd = popen(tempBuffer, "r");
+	if (fd == NULL)
+	{
+		
+		cerr << "[ERR] Process duplication check failed. [popen error][" << strerror(errno) << "]"<< endl;
+		// 오류 발생시 true 반환하여 프로세스 실행 방지처리
+		return true;
+	}
+	else
+	{
+		memset(tempBuffer, 0x00, sizeof(tempBuffer));
+		while (fgets(tempBuffer, sizeof(tempBuffer) - 1, fd) != NULL)
+		{
+			string tempPid(tempBuffer);
+			//Trim(tempPid);
+
+			pid_t pid = atoi(tempPid.c_str());
+			if (pid  != getpid())
+			{
+				cerr << "[info] Process duplication found. pid[" << pid << "]" << endl;
+				bRun = true;
+				break;
+			}
+		}
+
+		pclose(fd);
+		return bRun;
+	}
+}
+
+pid_t CProcess::Fork() {
+
+	m_pid = ::fork();
+	if (m_pid >= 0)  m_launched = true;
+
+	return m_pid;
+}
+
+void CProcess::SetThreadSignal(int signum)
+{
+	sigset_t sig, old;
+	sigemptyset(&sig);
+	sigaddset(&sig, signum);
+	sigprocmask(SIG_BLOCK, &sig, &old);
+}
+
+void CProcess::UnSetThreadSignal(int signum)
+{
+	sigset_t sig, old;
+	sigemptyset(&sig);
+	sigaddset(&sig, signum);
+	sigprocmask(SIG_UNBLOCK, &sig, &old);
+}