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分享哪位朋友有用c++ builder 2010做过snmp的代码或例子吗？
哪位朋友有用c++ builder 2010做过snmp的代码或例子吗？哭求教育，求示范！做不出来搜不到。。。哪位能帮下，在下五体投地，感激涕零！ MIBGet取个oid值都取不到。
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BORLANDSUN 2012-12-21
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哼哼，我写的代码多了去了，基于CB 2007的。楼主分开高点，我手把手教你。
zhangbao226 2012-12-11
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void __fastcall TForm_NetM::WndProc(TMessage &Msg)
{
if (Msg.Msg == SNMP_MSG)
{
Receive(Msg);
}
//返回系统消息泵
TForm::Dispatch(&Msg);
}
//---------------------------------------------------------------------------
//处理接受到的snmp协议数据
void TForm_NetM::Receive(TMessage &Msg)
{
byte RecvBuf[1024];
memset(RecvBuf,0,1024);
int nIpin;
AnsiString strIp,strTemp,lpstr;
SnmpReceive();
for(int i = 0;i < nCount;i++)
{
switch(m_Value[i].syntax)
{
case SNMP_SYNTAX_INT:
{
smiINT sNumber;
sNumber = m_Value[i].value.sNumber;
nIpin = sNumber;
memset(&m_ReadValue[i],NULL,500);
}
break;
case SNMP_SYNTAX_UINT32:
case SNMP_SYNTAX_CNTR32:
case SNMP_SYNTAX_GAUGE32:
case SNMP_SYNTAX_TIMETICKS:
{
smiUINT32 uNumber;
uNumber = m_Value[i].value.uNumber;
nIpin = uNumber;
memset(&m_ReadValue[i],NULL,500);
}
break;
case SNMP_SYNTAX_CNTR64:
{
smiCNTR64 hNumber;
hNumber = m_Value[i].value.hNumber;
}
break;
case SNMP_SYNTAX_OCTETS:
case SNMP_SYNTAX_OPAQUE:
case SNMP_SYNTAX_NSAPADDR:
{
memset(&m_ReadValue[i],NULL,500);
memcpy(m_ReadValue[i],m_Value[i].value.string.ptr,m_Value[i].value.string.len);
memcpy(RecvBuf,m_Value[i].value.string.ptr,m_Value[i].value.string.len);
if(m_Value[i].value.string.len == 79)
}
}
break;
case SNMP_SYNTAX_IPADDR:
{
memset(&m_ReadValue[i],NULL,500);
memcpy(m_ReadValue[i],m_Value[i].value.string.ptr,m_Value[i].value.string.len);
memcpy(RecvBuf,m_Value[i].value.string.ptr,m_Value[i].value.string.len);
break;
}
case SNMP_SYNTAX_OID:
{
smiOID oid;
oid = m_Value[i].value.oid;
memset(&m_ReadValue[i],NULL,500);
SnmpOidToStr(&oid,30,m_ReadValue[i]);
break;
}
case SNMP_SYNTAX_NULL:
case SNMP_SYNTAX_NOSUCHOBJECT:
case SNMP_SYNTAX_NOSUCHINSTANCE:
default:
break;
}
//一定要加释放
SnmpFreeDescriptor(m_Value[i].syntax, (smiOCTETS *)&m_Value[i].value.oid);
LPCSTR toid1 = "1.3.6.1.5.1.6.2.7.3.0";
if(strcmp(m_sOid[i],toid1) == 0)
{
AnsiString str = AnsiString(m_ReadValue[i]);
}
}
return ;
}
//接受SNMP协议数据
void __fastcall TForm_NetM::SnmpReceive()
{
smiINT PDU_type;
smiINT32 request_id;
smiINT error_status;
smiINT error_index;
smiOID pOid;
HSNMP_ENTITY srcEntity; // handle to the source entity
HSNMP_ENTITY dstEntity; // handle to the target entity
HSNMP_CONTEXT context; // handle to the context
HSNMP_PDU PDU; // handle to the PDU
SNMPAPI_STATUS ss = SnmpRecvMsg(m_Session,&srcEntity,&dstEntity,&context,&PDU);
if(ss != SNMPAPI_SUCCESS)
{
return;
RzStatusPane1->Caption = Dll_Lang_strGetLang("18","18101307");
}
//提取协议数据单元
if(SnmpGetPduData(PDU,&PDU_type,&request_id,&error_status,&error_index,&varbindlist)!=SNMPAPI_SUCCESS)
RzStatusPane2->Caption = Dll_Lang_strGetLang("18","18101308");
if((nCount = SnmpCountVbl(varbindlist))==SNMPAPI_FAILURE)
RzStatusPane3->Caption = Dll_Lang_strGetLang("18","18101309");
for(int i = 0;i < nCount;i++)
{
//ID从1开始
if(SnmpGetVb(varbindlist,i + 1,&pOid,&m_Value[i]) != SNMPAPI_SUCCESS)
ShowMessage( "receive failure--getvb ");
if(SnmpOidToStr(&pOid,100,m_sOid[i]) == SNMPAPI_FAILURE)//获取变量名
ShowMessage( "Get Vb Error ");
//一定要加释放
SnmpFreeDescriptor(SNMP_SYNTAX_OID,(smiOCTETS *)&pOid);
}
//一定要加释放
SnmpFreeVbl(varbindlist);
SnmpFreePdu(pPdu);
}
zhangbao226 2012-12-11
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做过类似的一个工程，希望对你有帮助:
.cpp文件:
#include "WINSNMP.h"
#pragma comment(lib,"WSNMP32.lib ")
.h文件：
定义一个消息：
#define SNMP_MSGrel WM_USER + 1990
//发送snmp
void TForm_NetM::SendSnmp()
{
char* m_EquipIp = "127.0.0.1";
char* desIp = "192.168.1.1";//目的IP
InitSnmp();
if((m_Session = SnmpCreateSession(this->Handle,SNMP_MSG,NULL,NULL)) == SNMPAPI_FAILURE) //会话句柄
ShowMessage( "CreateSession failure ");
my_hWnd = SnmpStrToEntity(m_Session,m_EquipIp); //创建实体句柄
my_Wnd = SnmpStrToEntity(m_Session,desIp); //ve11光端机实体句柄
SnmpSetTimeout(my_hWnd,1);//这两个不太明白
SnmpSetRetry(my_hWnd,2);
if(hView == NULL)
{
AnsiString community = "public";
contextName.len = community.Length();
contextName.ptr = community.c_str();
if((hView = SnmpStrToContext(m_Session,&contextName)) == SNMPAPI_FAILURE)
//创建上下文句柄
ShowMessage( "SendMsg failure--context ");
}
smiVALUE sdhip;
sdhip.syntax = 4;
AnsiString sdhipstr = IntToStr(GXaddr);
sdhip.value.string.ptr = sdhipstr.c_str();
sdhip.value.string.len = sdhipstr.Length();
AnsiString toid0 = "1.3.6.1.4.1.18.1.1.1.2." + IntToStr(GXaddr);
char* toid1 = toid0.c_str();
char* toid9 = "1.3.6.1.4.1.18.4.1.0.2"; //alarm trap
SNMPAPI_STATUS SS1 = SnmpStrToOid(toid1,&my_Oid1);
smiVALUE ipaddr;
ipaddr.syntax = SNMP_SYNTAX_OCTETS;
ipaddr.value.string.ptr = ipaddrstr_ve11.c_str();
ipaddr.value.string.len = ipaddrstr_ve11.Length();
//m_hvbl=SnmpCreateVbl(session,&Oid,NULL);/*NULL表示该OID的值为空*/
m_Hvbl = SnmpCreateVbl(m_Session,&my_Oid1,NULL);//有的一些特殊的oid似乎需要跟一个地址
SNMPAPI_STATUS ss3 = SnmpCountVbl(m_Hvbl);
SnmpSetVb(m_Hvbl,0,&my_Oid2,&ipaddr); //可以添加多一个oid
m_Hpdu = SnmpCreatePdu(m_Session,SNMP_PDU_SET,0,NULL,NULL,m_Hvbl);//创建协议数据单元
if(m_Hpdu == SNMPAPI_FAILURE)
ShowMessage( "CreatePdu failure ");
SNMPAPI_STATUS ss = SnmpSendMsg(m_Session,my_hWnd,my_Wnd,hView,m_Hpdu);//ss有值就是发送成功了
}
//初始化SNMP
void __fastcall TForm_NetM::InitSnmp()
{
if(SnmpStartup(&m_nMajorVersion,&m_nMinorVersion,&m_nLevel,&m_nTranslateMode,&m_nRetransmitMode) != SNMPAPI_SUCCESS)
{
ShowMessage( "initilization failure ");
}
//设置传输模式
if(SnmpSetTranslateMode(SNMPAPI_UNTRANSLATED_V2)!=SNMPAPI_SUCCESS)
ShowMessage( "SetTranslateMode failure ");
//设置重传模式
if(SnmpSetRetransmitMode(SNMPAPI_ON)!=SNMPAPI_SUCCESS)
ShowMessage( "SetRetransmitMode failure ");
m_SessionID = FALSE;
hAgent = NULL;
hView = NULL;
}
leiming4519 2012-12-11
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同问啊？我也在利用C++builder开发snmp通信项目，通信搞不通啊！
全站显示林林 2012-11-21
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求帮助哇！都没人帮下吗！
全站显示林林 2012-11-16
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完全看不懂。好像没用，也没提到snmp。。。。。。。。。
ShengFei01 2012-11-16
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楼主熟悉socket编程吗？这里有很多协议HTTP, FTP的实现，SNMP先从这里借鉴吧：
http://download.csdn.net/detail/geoff08zhang/4571358
