Lecture Console ReadConsoleOutputCharacter

**atum25** · 31/05/2012, 11h05

Bonjour a tous,

Voila j'éssai de lire ce qui est écrit sur la console par la fonction SnmpUtilPrintAsnAny.

J''essaye d'utiliser la fonction ReadConsoleOutputCharacter, mais je n'arrive pas a la faire marcher. Le buffer est toujours egale à "".

Je join mon code

Code :

Sélectionner tout - Visualiser dans une fenêtre à part

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int main(int argc, char* argv[])
{
        SnmpVarBindList snmpVarList;
        AsnInteger errorStatus,errorIndex;
        LPSNMP_MGR_SESSION session;
        char resultat[MAX_PATH];
        COORD CordDef,Cord2;
        CHAR_INFO *test;
 
        //Initialisation snmpVarList
        snmpVarList.list = NULL;
        snmpVarList.len = 1;
        snmpVarList.list = (SnmpVarBind *)realloc(snmpVarList.list, sizeof(SnmpVarBind) *snmpVarList.len);
 
        //Ouverture de Session
        session = SnmpMgrOpen("192.168.2.82","public",1000,3);
        if (session!=0)
        {
                SnmpMgrStrToOid(".1.3.6.1.2.1.17.4.3.1.2.0.20.56.185.112.146",&snmpVarList.list->name);
                //Envoi de la requete
                if (SnmpMgrRequest(session,SNMP_PDU_GET,&snmpVarList,&errorStatus,&errorIndex)!=0)
                {
                        if (errorStatus==SNMP_ERRORSTATUS_NOERROR)
                        {
 
                               //SnmpUtilPrintAsnAny(&snmpVarList.list->value);
                               HANDLE hOut;
                               char* buff="";
                               unsigned long *i;
                               SMALL_RECT *point;
                               INPUT_RECORD *buffbis;
 
                               hOut = CreateConsoleScreenBuffer(GENERIC_READ,FILE_SHARE_READ,NULL,CONSOLE_TEXTMODE_BUFFER,NULL);
 
                               SnmpUtilPrintAsnAny(&snmpVarList.list->value);
                               CordDef.X = 0;
                               CordDef.Y = 0;
                               ReadConsoleOutputCharacter(hOut,buff,256,CordDef,i);
 
                               cout<<buff;
                        }
                }
                //Fermeture de la session
                SnmpMgrClose(session);
                system("PAUSE");
        }
        return 0;
}

**atum25** · 31/05/2012, 11h25

J'ai trouvé, je met le code complet !! =D

Code :

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#include <windows.h>
#include <Snmp.h>     //+ lib Snmpapi
#include <Mgmtapi.h> // + lib mgmtapi
 
#include <iostream>
#include <string>
#include <vector>
#include <vcl>
 
#include <cstdio>
 
using namespace std;
 
#define TRACE printf
 
/***********************************************************************
*      SnmpUtilPrintAsnAny     (SNMPAPI.@) -
*      http://source.winehq.org/source/dlls/snmpapi/main.c
*/
VOID WINAPI SnmpUtilPrintAsnAny2(AsnAny *any)
{
    unsigned int i;
 
    TRACE("(%p)\n", any);
 
    switch (any->asnType)
   {
    case ASN_NULL:       TRACE("Null value\n"); return;
    case ASN_INTEGER32:  TRACE("Integer32 %d\n", any->asnValue.number); return;
    case ASN_UNSIGNED32: TRACE("Unsigned32 %u\n", any->asnValue.unsigned32); return;
    case ASN_COUNTER32:  TRACE("Counter32 %u\n", any->asnValue.counter); return;
    case ASN_GAUGE32:    TRACE("Gauge32 %u\n", any->asnValue.gauge); return;
    case ASN_TIMETICKS:  TRACE("Timeticks %u\n", any->asnValue.ticks); return;
    case ASN_COUNTER64:
    {
        TRACE("Counter64 %x%08x\n", (DWORD)(any->asnValue.counter64.QuadPart>>32),(DWORD)any->asnValue.counter64.QuadPart);
        return;
    }
    case ASN_OCTETSTRING:
    {
        TRACE("String ");
        for (i = 0; i < any->asnValue.string.length; i++)
            TRACE("%c", any->asnValue.string.stream[i]);
        TRACE("\n");
        return;
    }
    case ASN_IPADDRESS:
    {
        TRACE("IpAddress ");
        if (any->asnValue.string.length < 4)
        {
            TRACE("Invalid\n");
            return;
        }
        for (i = 0; i < 4; i++)
        {
            TRACE("%u", any->asnValue.string.stream[i]);
            if (i < 3) TRACE(".");
        }
        TRACE("\n");
        return;
    }
    case ASN_BITS:
    {
        TRACE("Bits ");
        for (i = 0; i < any->asnValue.string.length; i++)
        {
            TRACE("0x%02x", any->asnValue.string.stream[i]);
            if (i < any->asnValue.object.idLength - 1) TRACE(" ");
        }
        TRACE("\n");
        return;
    }
    case ASN_OPAQUE:
    {
        TRACE("Opaque ");
        for (i = 0; i < any->asnValue.string.length; i++)
        {
            TRACE("0x%02x", any->asnValue.string.stream[i]);
            if (i < any->asnValue.object.idLength - 1) TRACE(" ");
        }
        TRACE("\n");
        return;
    }
    case ASN_OBJECTIDENTIFIER:
    {
        TRACE("ObjectID ");
        for (i = 0; i < any->asnValue.object.idLength; i++)
        {
            TRACE("%u", any->asnValue.object.ids[i]);
            if (i < any->asnValue.object.idLength - 1) TRACE(".");
        }
        TRACE("\n");
        return;
    }
    default:
    {
        TRACE("Invalid type %d\n", any->asnType);
        return;
    }
    }
}
 
 
int main(int argc, char* argv[]){
 
  vector<string> SNMPErrorInfoInCodes;
  //J'avais commencé avec un vector, mais un map est plus indiqué...
  SNMPErrorInfoInCodes.push_back("\
    0 SNMP_ERRORSTATUS_NOERROR:\n\
    The agent reports that no errors occurred during transmission");
  SNMPErrorInfoInCodes.push_back("\
    1 SNMP_ERRORSTATUS_TOOBIG:\n\
    The agent could not place the results of the requested SNMP operation in a \
    single SNMP message.");
  SNMPErrorInfoInCodes.push_back("\
    2 SNMP_ERRORSTATUS_NOSUCHNAME:\n\
    The requested SNMP operation identified an unknown variable.");
  SNMPErrorInfoInCodes.push_back("\
    3 SNMP_ERRORSTATUS_BADVALUE:\n\
    The requested SNMP operation tried to change a variable but it specified \
    either a syntax or value error.");
  SNMPErrorInfoInCodes.push_back("\
    4 SNMP_ERRORSTATUS_READONLY:\n\
    The requested operation tried to change a variable that was not allowed to \
    change according to the community profile of the variable.");
  SNMPErrorInfoInCodes.push_back("\
    5 SNMP_ERRORSTATUS_GENERR:\n\
    An error other than one of those listed here occurred during the requested \
    operation.");
  SNMPErrorInfoInCodes.push_back("\
    UNKNOWNERROR\n");
  SNMPErrorInfoInCodes.push_back("\
    SNMP_MGMTAPI_TIMEOUT:\n\
    The request timed-out.");
  SNMPErrorInfoInCodes.push_back("\
    SNMP_MGMTAPI_SELECT_FDERRORS:\n\
    Unexpected error file descriptors indicated by the Windows Sockets select \
    function.");
 
  SnmpVarBindList snmpVarList;
  AsnInteger errorStatus,errorIndex;
  LPSNMP_MGR_SESSION session;
 
  //Initialisation snmpVarList
  snmpVarList.list= 0;
  snmpVarList.len= 1;
 
  cout<< "realloc"<< endl;
  snmpVarList.list= (SnmpVarBind*) \
    realloc(snmpVarList.list, sizeof(SnmpVarBind) * snmpVarList.len);
 
  int timeOutInmilliseconds= 3000;
  int numberOfRetries= 2;
 
  cout<< "SnmpMgrOpen"<< endl;
  session = SnmpMgrOpen(
              "192.168.2.82", "public",
              timeOutInmilliseconds, numberOfRetries
              );
 
  if (!session){
    cout<< "no_session"<< endl;
    return 1;
  }
 
  cout<< "session_ok"<< endl;
 
  //.1.3.6.1.2.1.1.1.0 for system description
  //.1.3.6.1.2.1.1.4.0 for system contact
  //.1.3.6.1.2.1.1.5.0 for system name
  //1.3.6.1.2.1.17.4.3.1.2 for port
  SnmpMgrStrToOid(".1.3.6.1.2.1.17.4.3.1.2.0.12.110.158.18.57",
    &snmpVarList.list->name);
 
  cout<< "SnmpMgrStrToOid_ok"<< endl;
 
  //Envoi de la requete
  if (!SnmpMgrRequest(session,SNMP_PDU_GET, &snmpVarList, &errorStatus, &errorIndex)){
    cout<< "SnmpMgrRequest function fails"<< endl;
    cout<<"errorStatus: "<< errorStatus<< " - errorIndex: "<<errorIndex<< endl;
    switch(::GetLastError()){
      case SNMP_MGMTAPI_TIMEOUT:
        cout<< SNMPErrorInfoInCodes[7]<< endl;
        break;
      case SNMP_MGMTAPI_SELECT_FDERRORS:
        cout<< SNMPErrorInfoInCodes[8]<< endl;
        break;
      default:
        cout<< SNMPErrorInfoInCodes[6]<< endl;
    }
    SnmpMgrClose(session);
    system("pause");
    return 1;}
 
 /* cout<< "errorStatus: \n"<< SNMPErrorInfoInCodes[errorStatus]<< endl;
  cout<< endl;
 
  AsnAny* any= &snmpVarList.list->value;
 
  cout<< endl;
  cout<< "by string_constructor only if any->asnType==ASN_OCTETSTRING: "<< endl;
   if (any->asnType==ASN_OCTETSTRING)
      cout<< "String "
          << string(reinterpret_cast<char*>(any->asnValue.string.stream),
                    any->asnValue.string.length).c_str()
          << endl;
 
 
  cout<< endl;
  cout<< "balayage (unicode?) only if any->asnType==ASN_OCTETSTRING: "<< endl;
  if (any->asnType==ASN_OCTETSTRING){
   cout<< "String ("<< any->asnValue.string.length<< ") "<< flush;
   for (int i= 0; i < 30; i++)
     cout<< any->asnValue.string.stream[i]<< flush;
  cout<< endl;
  }                                                */
 
  /*cout<< endl;
  cout<< "by SnmpUtilPrintAsnAny2: "<< endl;
  SnmpUtilPrintAsnAny2(&snmpVarList.list->value);*/
   char myBuffer[256];
  cout<< endl;
  cout<< "by SnmpUtilPrintAsnAny: "<< endl;
//  gets(myBuffer);
  SnmpUtilPrintAsnAny(&snmpVarList.list->value);
fgets(myBuffer, 10, stdin);
 
 
 // gets(myBuffer);
  printf("\nLa ligne entrée est : %s\n", myBuffer);
 
  cout<< endl;
  cout<< "SnmpMgrClose"<< endl;
  SnmpMgrClose(session);
  system("Pause");
 
  return 0;
}

Lecture Console ReadConsoleOutputCharacter

C++

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