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;
 
    /* initializes the Dinamo  library */
    nRet =  DInitialize (0);
    if ( nRet!=0 ) {
        printf ( "Failed to initialize Dinamo library. Code %d\n", nRet );
        goto clean;
    }
 
    printf ("Library initialized.\n");
 
    /* initializes the structure for connecting to 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));
 
    /* opens an encrypted session while bypassing load balancing */
    nRet = DOpenSession ( &hSession, SS_USER_PWD,(BYTE *)&authPwd, sizeof(authPwd), CLEAR_CONN|LB_BYPASS );
 
    if ( nRet!=0 ) {
        printf ("Error opening session with Dinamo. Code %d\n", nRet);
        goto clean;
    }
 
    printf ( "Session open.\n" );
 
    /* ******************************************************* */
    /* here begins the treatment to receive the server log */
    /* ******************************************************* */
 
    /* get size of LOG on server */
    nRet = DGetStatLogSize ( hSession, &dwLogServerSize );
    if ( nRet == 0 ) {
      printf ("Size of LOG on server without formatting: "DWORD_PRINT" byte(s).\n", dwLogServerSize);
    }
 
    if ( dwLogServerSize>0 ) {
        cbLog =(BYTE *)DAlloc ( dwLogServerSize ); /* allocates memory */
        if ( cbLog ) {
            /* receives all the contents of the log. */
            nRet = DGetStatLog (hSession, GET_LOG_START_FULL, GET_LOG_END_FULL, &dwLogSize, &cbLog );
 
            DFree ( cbLog ); /* frees memory */
        }
    }
 
    clean:
 
    /* closing the session */
    if ( hSession )
    {
        DCloseSession ( &hSession, 0 );
        printf ( "Session closed.\n" );
    }
 
    /* closes the Dinamo  library */
    DFinalize ();
 
    return nRet;
    }