编译snmp++的包

调用snmp++.lib实现信息获取_哔哩哔哩_bilibili

代码：

#include <iostream>
#include <libsnmp.h>
#include <vector>
#include <fstream>
#include <string>
#include "snmp_pp/snmp_pp.h"
//#define _NO_LOGGING
#ifdef WIN32
#define strcasecmp _stricmp
#endif

#ifdef SNMP_PP_NAMESPACE
using namespace Snmp_pp;
#endif

using namespace std;
using namespace Snmp_pp;
typedef struct {
	string aa;
	string bb;
	string cc;
}CON;
vector<CON> readTxt(string path) {
	vector<CON> res;
	ifstream file(path);
	string line;
	CON a;
	getline(file, line);
	line = line.substr(line.find('=') + 1);
	a.aa = line;
	while (getline(file,line))
	{
		line= line.substr(line.find('=') + 1);
		a.bb = line;
		getline(file, line);
		line = line.substr(line.find('=') + 1);
		a.cc = line;
		res.push_back(a);
	}
	return res;
}
vector<string> getSnmpValue(vector<CON> a) {
	vector<string> res;
	int status;
	Snmp::socket_startup(); // Initialize the socket subsystem
	// Create an SNMP++ session
	Snmp snmp(status);
	if (status != SNMP_CLASS_SUCCESS)
	{
		cout << "SNMP++ Session creation failed." << endl;
		return vector<string>();
	}
	for (int i = 0; i < a.size(); i++)
	{
		// Set the target address
		UdpAddress targetAddress(a[i].bb.c_str());
		// Create the target using the target address and community string
		CTarget target(targetAddress);
		target.set_version(version2c); // Use SNMPv2c
		target.set_retry(3);           // Set the number of retries
		target.set_timeout(1000);      // Set the timeout (milliseconds)
		target.set_readcommunity(a[i].aa.c_str());
		// Create a PDU object for the SNMP GET request
		Pdu pdu;
		pdu.set_type(sNMP_PDU_GET);
		pdu += Vb(a[i].cc.c_str()); // Add the OID to retrieve
			// Send the SNMP GET request
		status = snmp.get(pdu, target);
		if (status == SNMP_CLASS_SUCCESS)
		{
			// Check the response PDU for errors
			if (pdu.get_error_status() == SNMP_ERROR_SUCCESS)
			{
				// Iterate through the received variable bindings
				for (int i = 0; i < pdu.get_vb_count(); i++)
				{
					Vb vb;
					pdu.get_vb(vb, i);
					std::string value = vb.get_printable_value();
					res.push_back(value);  // 将值添加到容器中
					//cout << "OID: " << vb.get_printable_oid() << endl;
					//cout << "Value: " << vb.get_printable_value() << endl;
				}
			}
			else
			{
				cout << "Error in response PDU: " << endl;
			}
		}
		else
		{
			cout << "SNMP++ GET request failed: " << snmp.error_msg(status) << endl;
		}
	}
	Snmp::socket_cleanup(); // Shut down the socket subsystem
	return res;
}
int main()
{
	string p = "D:\\ALearn\\snmp\\testSnmpJJ\\1.txt";
	vector<CON> a = readTxt(p);
	/*for (int i = 0; i < a.size(); i++)
	{
		cout << a[i].aa << endl;
		cout << a[i].bb << endl;
		cout << a[i].cc << endl;
	}*/
	vector<string> b = getSnmpValue(a);
	for (int i = 0; i < b.size(); i++)
	{
		cout <<"value===="<< b[i] << endl;
	}
	return 0;
}

配置文件：

 

运行截图：（一定要运行snmp服务）