download_log.c

Example of downloading logs.

See Note on examples.

#include <string.h>
#include <stdlib.h>
#include <stdio.h>
#include <sys/types.h>
#include <sys/stat.h>
 
#include <dinamo.h> /* header do Dinamo */
 
#define HOST_ADDR       "127.0.0.1"
#define USER_ID         "master"
#define USER_PWD        "12345678"
 
int main()
{
    int nRet = 0;
    struct AUTH_PWD authPwd;
    HSESSIONCTX hSession = 0;
    DWORD dwLogServerSize = 0;
    DWORD dwLogSize = 0;
    BYTE *cbLog = 0;
 
    /* inicializa a biblioteca do Dinamo */
    nRet = DInitialize (0);
    if ( nRet!=0 ) {
        printf ( "Falha na inicialização da biblioteca do Dinamo. Codigo %d\n", nRet );
        goto clean;
    }
 
    printf ("Biblioteca inicializada.\n");
 
    /* inicializa a estrutura para conexao com o Dinamo */
    strncpy(authPwd.szAddr, HOST_ADDR, sizeof(authPwd.szAddr));
    authPwd.nPort = DEFAULT_PORT;
    strncpy(authPwd.szUserId, USER_ID, sizeof(authPwd.szUserId));
    strncpy(authPwd.szPassword, USER_PWD, sizeof(authPwd.szPassword));
 
    /* abre um sessao encriptada e ao mesmo tempo efetuando 'bypass' no balanceamento de carga */
    nRet = DOpenSession ( &hSession, SS_USER_PWD, (BYTE *)&authPwd, sizeof(authPwd), CLEAR_CONN|LB_BYPASS );
 
    if ( nRet!=0 ) {
        printf ("Erro na abertura da sessão com o Dinamo. Código %d\n", nRet);
        goto clean;
    }
 
    printf ( "Sessao aberta.\n" );
 
    /* ******************************************************* */
    /* aqui comeca o tratamento para receber o log do servidor */
    /* ******************************************************* */
 
    /* obtem tamanho do LOG no servidor */
    nRet = DGetStatLogSize ( hSession, &dwLogServerSize );
    if ( nRet == 0 ) {
      printf ("Tamanho do LOG no servidor sem formatacao: "DWORD_PRINT" byte(s).\n", dwLogServerSize);
    }
 
    if ( dwLogServerSize>0 ) {
        cbLog = (BYTE *)DAlloc ( dwLogServerSize ); /* aloca memoria */
        if ( cbLog ) {
            /* recebe todo o conteudo do log. */
            nRet = DGetStatLog (hSession, GET_LOG_START_FULL, GET_LOG_END_FULL, &dwLogSize, &cbLog );
 
            DFree ( cbLog ); /* libera memoria */
        }
    }
 
    clean:
 
    /* fechamento da sessao */
    if ( hSession )
    {
        DCloseSession ( &hSession, 0 );
        printf ( "Sessao encerrada.\n" );
    }
 
    /* encerra a biblioteca do Dinamo */
    DFinalize ();
 
    return nRet;
    }