CentOS 7에 Zookeeper 3.4.9 C client library 빌드 하기

주키퍼 C 라이브러리 빌드

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$ wget http://apache.org/dist/zookeeper/zookeeper-3.4.9/zookeeper-3.4.9.tar.gz $ tar -xvzf zookeeper-3.4.9.tar.gz $ cd zookeeper-3.4.9/src/c # cppunit 없으면 설치 $ yum -y install cppunit-devel # autoconf 버전은 2.59이상이어야 한다. # 버전 확인법 autoconf -V $ autoreconf -if $ ./configure $ make $ make install

샘플 코드

	#include <iostream>
	#include <zookeeper/zookeeper.h>
	#include <string.h>
	#include <list>
	#include <unistd.h>
	using namespace std;
	void watcher(zhandle_t *, int event, int state, const char *path, void*v) {
	if (state == ZOO_EXPIRED_SESSION_STATE)
	cout << "state:" << "ZOO_EXPIRED_SESSION_STATE" << endl;
	else if (state == ZOO_AUTH_FAILED_STATE)
	cout << "state:" << "ZOO_AUTH_FAILED_STATE" << endl;
	else if (state == ZOO_CONNECTING_STATE)
	cout << "state:" << "ZOO_CONNECTING_STATE" << endl;
	else if (state == ZOO_ASSOCIATING_STATE)
	cout << "state:" << "ZOO_ASSOCIATING_STATE" << endl;
	else if (state == ZOO_CONNECTED_STATE)
	cout << "state:" << "ZOO_CONNECTED_STATE" << endl;
	else
	cout << "unknown state:" << state << endl;
	if (event == ZOO_CREATED_EVENT)
	cout << "event:" << "ZOO_CREATED_EVENT" << endl;
	else if (event == ZOO_DELETED_EVENT)
	cout << "event:" << "ZOO_DELETED_EVENT" << endl;
	else if (event == ZOO_CHANGED_EVENT)
	cout << "event:" << "ZOO_CHANGED_EVENT" << endl;
	else if (event == ZOO_CHILD_EVENT)
	cout << "event:" << "ZOO_CHILD_EVENT" << endl;
	else if (event == ZOO_SESSION_EVENT)
	cout << "event:" << "ZOO_SESSION_EVENT" << endl;
	else if (event == ZOO_NOTWATCHING_EVENT)
	cout << "event:" << "ZOO_NOTWATCHING_EVENT" << endl;
	else
	cout << "unknown event:" << event << endl;
	}
	int main(int argc, char *argv[])
	{
	const string HOST("172.20.30.141:2181");
	const int RECV_TIMEOUT = 10000;
	zhandle_t *zh = zookeeper_init(HOST.c_str(), watcher, RECV_TIMEOUT, nullptr, nullptr, 0);
	const char* myData = "testall";
	const char* myPath = "/mytest";
	struct Stat stat;
	char newPath[512];
	int rc = 0;
	rc = zoo_exists(zh, myPath, 0, &stat);
	if (rc == ZNONODE)
	rc = zoo_create(zh, myPath, myData, sizeof(myData), &ZOO_OPEN_ACL_UNSAFE, ZOO_EPHEMERAL, newPath, sizeof(newPath));
	char buffer[512];
	int len = 512;
	rc = zoo_wget(zh, myPath, nullptr, nullptr, buffer, &len, &stat);
	cout << "myData:" << buffer << endl;
	sleep(10);
	zookeeper_close(zh);
	return 0;
	}

view raw hellozookeeper.cpp hosted with ❤ by GitHub

샘플 실행

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$  g++ -std=c++11 hellozookeeper.cpp -o hellozookeeper -lzookeeper_mt ./hellozookeeper 2016-09-23 10:28:45,856:27919(0x7f348e9d0740):ZOO_INFO@log_env@726: Client environment:zookeeper.version=zookeeper C client 3.4.9 2016-09-23 10:28:45,856:27919(0x7f348e9d0740):ZOO_INFO@log_env@730: Client environment:host.name=CRD-AP-GMS00001 2016-09-23 10:28:45,856:27919(0x7f348e9d0740):ZOO_INFO@log_env@737: Client environment:os.name=Linux 2016-09-23 10:28:45,856:27919(0x7f348e9d0740):ZOO_INFO@log_env@738: Client environment:os.arch=3.10.0-229.el7.x86_64 2016-09-23 10:28:45,856:27919(0x7f348e9d0740):ZOO_INFO@log_env@739: Client environment:os.version=#1 SMP Fri Mar 6 11:36:42 UTC 2015 2016-09-23 10:28:45,856:27919(0x7f348e9d0740):ZOO_INFO@log_env@747: Client environment:user.name=root 2016-09-23 10:28:45,857:27919(0x7f348e9d0740):ZOO_INFO@log_env@755: Client environment:user.home=/root 2016-09-23 10:28:45,857:27919(0x7f348e9d0740):ZOO_INFO@log_env@767: Client environment:user.dir=/tmp/project/hellozookeeper 2016-09-23 10:28:45,857:27919(0x7f348e9d0740):ZOO_INFO@zookeeper_init@800: Initiating client connection, host=172.20.30.141:2181 sessionTimeout=10000 watcher=0x401228 sessionId=0 sessionPasswd=<null> context=(nil) flags=0 2016-09-23 10:28:45,857:27919(0x7f348d51c700):ZOO_INFO@check_events@1728: initiated connection to server [172.20.30.141:2181] 2016-09-23 10:28:45,865:27919(0x7f348d51c700):ZOO_INFO@check_events@1775: session establishment complete on server [172.20.30.141:2181], sessionId=0x157509d62b6000b, negotiated timeout=10000 state:ZOO_CONNECTED_STATE event:ZOO_SESSION_EVENT myData:testall 2016-09-23 10:28:55,871:27919(0x7f348e9d0740):ZOO_INFO@zookeeper_close@2527: Closing zookeeper sessionId=0x157509d62b6000b to [172.20.30.141:2181]