コード例 #1
0
ファイル: check_liboml2_config.c プロジェクト: mytestbed/oml
END_TEST

/** Check that an empty <collect /> sends all streams to that collection point (#1272) */
START_TEST (test_config_empty_collect)
{
  OmlMP *mp;
  OmlValueU v[2];
  char buf[1024];
  char config[] = "<omlc domain='check_liboml2_config' id='test_config_empty_collect'>\n"
                  "  <collect url='file:test_config_empty_collect' encoding='text' />\n"
                  "</omlc>";
  int s1found = 0;
  FILE *fp;

  logdebug("%s\n", __FUNCTION__);

  MAKEOMLCMDLINE(argc, argv, "file:test_config_empty_collect");
  argv[1] = "--oml-config";
  argv[2] = "test_config_empty_collect.xml";
  argc = 3;

  fp = fopen (argv[2], "w");
  fail_unless(fp != NULL, "Could not create configuration file %s: %s", argv[2], strerror(errno));
  fail_unless(fwrite(config, sizeof(config), 1, fp) == 1,
      "Could not write configuration in file %s: %s", argv[2], strerror(errno));
  fclose(fp);

  unlink("test_config_empty_collect");

  fail_if(omlc_init(__FUNCTION__, &argc, argv, NULL),
      "Could not initialise OML");
  mp = omlc_add_mp(__FUNCTION__, mp_def);
  fail_if(mp==NULL, "Could not add MP");
  fail_if(omlc_start(), "Could not start OML");

  omlc_set_uint32(v[0], 1);
  omlc_set_uint32(v[1], 2);

  fail_if(omlc_inject(mp, v), "Injection failed");

  omlc_close();

  fp = fopen(__FUNCTION__, "r");
  fail_unless(fp != NULL, "Output file %s missing", __FUNCTION__);

  while(fgets(buf, sizeof(buf), fp) && !s1found) {
    if (!strncmp(buf, "schema: 1", 9)) {
        s1found = 1;
    }
  }
  fail_unless(s1found, "Schema 1 never defined");

  fclose(fp);
}
コード例 #2
0
ファイル: test_oml.c プロジェクト: adjih/openlab
static void test_main(void *param)
{
  int8_t result = omlc_init ("Simple");
  if (result == -1) {
    printf ("Could not initialise OML\n");
    while(1);
  } else if (result == 1) {
    printf ("OML was disabled by the user, exiting\n");
    while(1);
  }
  
  OmlMPDef mp_def [] = {
    { "count", OML_UINT32_VALUE },
    { "count_str", OML_STRING_VALUE },
    { "count_real", OML_DOUBLE_VALUE },
    { NULL, (OmlValueT)0 }
  };
  
  OmlMP *mp = omlc_add_mp ("counter", mp_def);
  
  if (mp == NULL) {
    printf ("Error: could not register Measurement Point 'counter'");
    while(1);
  }
  
  omlc_start();
  
  uint32_t i = 0;
  for (i = 0; i < 100; i++) {
    uint32_t count = i;
    char count_str[16];
    double count_real = (double)i;
    OmlValueU values[3];
    
    omlc_zero_array(values, 3);
    
    snprintf(count_str, sizeof(count_str), "%d", i);
    
    omlc_set_uint32 (values[0], count);
    omlc_set_string (values[1], count_str);
    omlc_set_double (values[2], count_real);
    
    omlc_inject (mp, values);
    
    omlc_reset_string(values[1]);
  }
  omlc_close();
  while(1);
}
コード例 #3
0
ファイル: routing_stats.cpp プロジェクト: crockct/GNRS-DOS
void routing_stats::inject_into_oml(unsigned mp_index){

    OmlValueU v[13];

    omlc_zero_array(v, 13);

    omlc_set_uint32(v[0], mp_index);
    omlc_set_string(v[1], node_id.c_str());
    omlc_set_uint64(v[2], in_chunks);
    omlc_set_uint64(v[3], out_chunks);
    omlc_set_uint64(v[4], in_ctrl_msgs);
    omlc_set_uint64(v[5], out_ctrl_msgs);
    omlc_set_uint64(v[6], stored_chunks);
    omlc_set_uint64(v[7], error_chunks);
    omlc_set_uint64(v[8], dropped_chunks);
    omlc_set_uint64(v[9], in_data_bytes);
    omlc_set_uint64(v[10], out_data_bytes);
    omlc_set_uint64(v[11], in_ctrl_bytes);
    omlc_set_uint64(v[12], out_ctrl_bytes);

    omlc_inject(oml_mp, v);

    omlc_reset_string(v[1]);

#ifdef DEBUG
    char msg[500];
    sprintf(msg, "ROUTING(node: %s):\n"
        "ts i-C o-C s-C e-C d-C i-dB o-dB i-cP o-cP i-cB o-cB\n"
        "%llu %llu %llu %llu %llu %llu %llu %llu %llu %lld %llu %llu", 
        node_id.c_str(),
        t_stamp,
        in_chunks, out_chunks, 
        stored_chunks, error_chunks, dropped_chunks,
        in_data_bytes, out_data_bytes,
        in_ctrl_msgs, out_ctrl_msgs, 
        in_ctrl_bytes, out_ctrl_bytes
        );
    cout << "DEBUG: " << msg << endl;
#endif
}
コード例 #4
0
ファイル: check_liboml2_config.c プロジェクト: mytestbed/oml
END_TEST

/** Check that multiple <collect /> do not trigger a "Measurement stream 'd_lin' already exists" error (#1154) */
START_TEST (test_config_multi_collect)
{
  OmlMP *mp;
  OmlValueU v[2];
  char buf[1024], *bufp;
  char *dests[2] = { "test_config_multi_collect1", "test_config_multi_collect2" };
  char config[] = "<omlc domain='check_liboml2_config' id='test_config_multi_collect'>\n"
                  "  <collect url='file:test_config_multi_collect1' encoding='text' />\n"
                  "  <collect url='file:test_config_multi_collect2' encoding='text' />\n"
                  "</omlc>";
  int i, s1found = 0, emptyfound = 0, n, datafound[2] = {0, 0};
  FILE *fp;

  logdebug("%s\n", __FUNCTION__);

  MAKEOMLCMDLINE(argc, argv, "file:test_config_multi_collect");
  argv[1] = "--oml-config";
  argv[2] = "test_config_multi_collect.xml";
  argc = 3;

  fp = fopen (argv[2], "w");
  fail_unless(fp != NULL, "Could not create configuration file %s: %s", argv[2], strerror(errno));
  fail_unless(fwrite(config, sizeof(config), 1, fp) == 1,
      "Could not write configuration in file %s: %s", argv[2], strerror(errno));
  fclose(fp);

  unlink("test_config_multi_collect1");
  unlink("test_config_multi_collect2");

  fail_if(omlc_init(__FUNCTION__, &argc, argv, NULL),
      "Could not initialise OML");
  mp = omlc_add_mp(__FUNCTION__, mp_def);
  fail_if(mp==NULL, "Could not add MP");
  fail_if(omlc_start(), "Could not start OML");

  omlc_set_uint32(v[0], 1);
  omlc_set_uint32(v[1], 2);

  fail_if(omlc_inject(mp, v), "Injection failed");

  omlc_close();

  for (i=0; i<2; i++) {
    s1found = 0;
    fp = fopen(dests[i], "r");
    fail_unless(fp != NULL, "Output file %s missing", __FUNCTION__);

    emptyfound = 0;
    while(fgets(buf, sizeof(buf), fp) && (!s1found || !datafound[i])) {

      if (!strncmp(buf, "schema: 1", 9)) {
        s1found = 1;

      } else if (emptyfound) {
        /* We know we are passed the header;
         * We check that the data is here, that is, we have
         * 5 tab-delimited fields (ts, schemaid, seqno, d1, d2) */
        bufp = buf;
        n = 0;
        while(++n<6 && strtok(bufp, "\t")) {
          bufp = NULL; /* Make strtok continue on the same string */
        };
        if (n==6) {
          datafound[i] = 1;
        }

      } else if (*buf == '\n') {
        emptyfound = 1;
      }
    }
    fail_unless(s1found, "Schema 1 never defined in %s", dests[i]);
    fail_unless(datafound[i], "No actual data in %s", dests[i]);

    fclose(fp);
  }
}
コード例 #5
0
ファイル: oml_value.c プロジェクト: alhazmi/semantic-oml
/** Try to convert a string to the given OmlValueT and store it an OmlValueU.
 *
 * Storage for value should have already been cleared (e.g., with
 * oml_value_set_type(), oml_value_reset() omlc_reset_string() or
 * omlc_reset_blob() if appropriate).
 *
 * Assumes the destination OmlValueU has been properly reset.
 *
 * \param value pointer to output OmlValue
 * \param type type of data to get from the string
 * \param value_s input string
 * \return  0 on success, -1 otherwise (e.g., conversion error)
 * \see oml_value_from_s, oml_value_from_typed_s
 * \see oml_value_set_type, oml_value_reset, omlc_reset_string, omlc_reset_blob
 */
static int
oml_value_ut_from_s (OmlValueU *value, OmlValueT type, const char *value_s)
{
    char *s, *eptr;
    ssize_t n;
    size_t s_sz, blob_sz, nof_elts, bytes;
    uint8_t *blob;
    oml_guid_t c;
    char *p;
    char *q;

    errno = 0; /* Not all paths manipulate errno, so make sure its value is reset */

    switch (type) {
    case OML_LONG_VALUE:
        logwarn("%s(): OML_LONG_VALUE is deprecated, please use OML_INT32_VALUE instead\n", __FUNCTION__);
        omlc_set_long (*value, strtol (value_s, NULL, 0));
        break;

    case OML_INT32_VALUE:
        omlc_set_int32 (*value, strtol (value_s, NULL, 0));
        break;
    case OML_UINT32_VALUE:
        omlc_set_uint32 (*value, strtoul (value_s, NULL, 0));
        break;
    case OML_INT64_VALUE:
        omlc_set_int64 (*value, strtoll (value_s, NULL, 0));
        break;
    case OML_UINT64_VALUE:
        omlc_set_uint64 (*value, strtoull (value_s, NULL, 0));
        break;
    case OML_DOUBLE_VALUE:  {
        omlc_set_double (*value, strtod (value_s, &eptr));
        if (eptr == value_s) {
            omlc_set_double (*value, NAN);
        }
        break;
    }
    case OML_STRING_VALUE:
        s = oml_malloc(strlen(value_s)+1);
        n = backslash_decode(value_s, s);
        omlc_reset_string(*value);
        omlc_set_string(*value, s);
        omlc_set_string_size(*value,n+1);
        break;

    case OML_DATETIME_VALUE:
        s = oml_malloc(strlen(value_s)+1);
        n = backslash_decode(value_s, s);
        omlc_reset_string(*value);
        omlc_set_string(*value, s);
        omlc_set_string_size(*value,n+1);
        break;

    case OML_BLOB_VALUE:
        omlc_reset_blob(*value);
        s_sz = base64_validate_string(value_s);
        if(s_sz != -1) {
            blob_sz = base64_size_blob(s_sz);
            blob = oml_malloc(blob_sz);
            base64_decode_string(s_sz, value_s, blob_sz, blob);
            omlc_set_blob_ptr(*value, blob);
            omlc_set_blob_length(*value, blob_sz);
            omlc_set_blob_size(*value, blob_sz);
        }
        break;

    case OML_GUID_VALUE:
        omlc_string_to_guid(value_s, &c);
        omlc_set_guid(*value, c);
        break;

    case OML_BOOL_VALUE:
        omlc_set_bool(*value, oml_value_string_to_bool(value_s));
        break;

    case OML_VECTOR_DOUBLE_VALUE:
        omlc_reset_vector(*value);
        nof_elts = strtod(value_s, &p);
        if(p - value_s) {
            size_t i, bytes;
            double *elts = oml_calloc(nof_elts, sizeof(double));
            if(elts) {
                for(i = 0; i < nof_elts; i++) {
                    elts[i] = strtod(p, &q);
                    if(q - p)
                        p = q;
                    else {
                        oml_free(elts);
                        logerror("%s(): bad [double] vector element '%s'\n", __FUNCTION__, p);
                        return -1;
                    }
                }
                bytes = nof_elts * sizeof(double);
                omlc_set_vector_ptr(*value, elts);
                omlc_set_vector_length(*value, bytes);
                omlc_set_vector_size(*value, bytes);
                omlc_set_vector_nof_elts(*value, nof_elts);
                omlc_set_vector_elt_size(*value, sizeof(double));
            } else {
                logerror("%s(): out of memory reading [double] of size %zu\n", __FUNCTION__, nof_elts);
                return -1;
            }
        } else {
            logerror("%s(): bad [double] size '%s'\n", __FUNCTION__, value_s);
            return -1;
        }
        break;

    case OML_VECTOR_INT32_VALUE:
        omlc_reset_vector(*value);
        nof_elts = strtol(value_s, &p, 0);
        if(p - value_s) {
            size_t i;
            int32_t *elts = oml_calloc(nof_elts, sizeof(int32_t));
            if(elts) {
                for(i = 0; i < nof_elts; i++) {
                    elts[i] = strtol(p, &q, 0);
                    if(q - p)
                        p = q;
                    else {
                        oml_free(elts);
                        logerror("%s(): bad [int32] vector element '%s'\n", __FUNCTION__, p);
                        return -1;
                    }
                }
                bytes = nof_elts * sizeof(int32_t);
                omlc_set_vector_ptr(*value, elts);
                omlc_set_vector_length(*value, bytes);
                omlc_set_vector_size(*value, bytes);
                omlc_set_vector_nof_elts(*value, nof_elts);
                omlc_set_vector_elt_size(*value, sizeof(int32_t));
            } else {
                logerror("%s(): out of memory reading [int32] of size %zu\n", __FUNCTION__, nof_elts);
                return -1;
            }
        } else {
            logerror("%s(): bad [int32] size '%s'\n", __FUNCTION__, value_s);
            return -1;
        }
        break;

    case OML_VECTOR_UINT32_VALUE:
        omlc_reset_vector(*value);
        nof_elts = strtoul(value_s, &p, 0);
        if(p - value_s) {
            size_t i;
            uint32_t *elts = oml_calloc(nof_elts, sizeof(uint32_t));
            if(elts) {
                for(i = 0; i < nof_elts; i++) {
                    elts[i] = strtoul(p, &q, 0);
                    if(q - p)
                        p = q;
                    else {
                        oml_free(elts);
                        logerror("%s(): bad [uint32] vector element '%s'\n", __FUNCTION__, p);
                        return -1;
                    }
                }
                bytes = nof_elts * sizeof(uint32_t);
                omlc_set_vector_ptr(*value, elts);
                omlc_set_vector_length(*value, bytes);
                omlc_set_vector_size(*value, bytes);
                omlc_set_vector_nof_elts(*value, nof_elts);
                omlc_set_vector_elt_size(*value, sizeof(uint32_t));
            } else {
                logerror("%s(): out of memory reading [uint32] of size %zu\n", __FUNCTION__, nof_elts);
                return -1;
            }
        } else {
            logerror("%s(): bad [uint32] size '%s'\n", __FUNCTION__, value_s);
            return -1;
        }
        break;

    case OML_VECTOR_INT64_VALUE:
        omlc_reset_vector(*value);
        nof_elts = strtoll(value_s, &p, 0);
        if(p - value_s) {
            size_t i;
            int64_t *elts = oml_calloc(nof_elts, sizeof(int64_t));
            if(elts) {
                for(i = 0; i < nof_elts; i++) {
                    elts[i] = strtoll(p, &q, 0);
                    if(q - p)
                        p = q;
                    else {
                        oml_free(elts);
                        logerror("%s(): bad [int64] vector element '%s'\n", __FUNCTION__, p);
                        return -1;
                    }
                }
                bytes = nof_elts * sizeof(int64_t);
                omlc_set_vector_ptr(*value, elts);
                omlc_set_vector_length(*value, bytes);
                omlc_set_vector_size(*value, bytes);
                omlc_set_vector_nof_elts(*value, nof_elts);
                omlc_set_vector_elt_size(*value, sizeof(int64_t));
            } else {
                logerror("%s(): out of memory reading [int64] of size %zu\n", __FUNCTION__, nof_elts);
                return -1;
            }
        } else {
            logerror("%s(): bad [int64] size '%s'\n", __FUNCTION__, value_s);
            return -1;
        }
        break;

    case OML_VECTOR_UINT64_VALUE:
        omlc_reset_vector(*value);
        nof_elts = strtoull(value_s, &p, 0);
        if(p - value_s) {
            size_t i;
            uint64_t *elts = oml_calloc(nof_elts, sizeof(uint64_t));
            if(elts) {
                for(i = 0; i < nof_elts; i++) {
                    elts[i] = strtoull(p, &q, 0);
                    if(q - p)
                        p = q;
                    else {
                        oml_free(elts);
                        logerror("%s(): bad [uint64] vector element '%s'\n", __FUNCTION__, p);
                        return -1;
                    }
                }
                bytes = nof_elts * sizeof(uint64_t);
                omlc_set_vector_ptr(*value, elts);
                omlc_set_vector_length(*value, bytes);
                omlc_set_vector_size(*value, bytes);
                omlc_set_vector_nof_elts(*value, nof_elts);
                omlc_set_vector_elt_size(*value, sizeof(uint64_t));
            } else {
                logerror("%s(): out of memory reading [uint64] of size %zu\n", __FUNCTION__, nof_elts);
                return -1;
            }
        } else {
            logerror("%s(): bad [uint64] size '%s'\n", __FUNCTION__, value_s);
            return -1;
        }
        break;

    case OML_VECTOR_BOOL_VALUE:
        omlc_reset_vector(*value);
        nof_elts = strtoul(value_s, &p, 0);
        if(p - value_s) {
            char *n;
            size_t i;
            bool *elts = oml_calloc(nof_elts, sizeof(bool));
            if(elts) {
                for(i = 0; i < nof_elts; i++) {
                    char *v = strtok_r(p, " ", &n);
                    if(v) {
                        elts[i] = strncasecmp(v, "false", strlen(v));
                        p = n;
                    } else {
                        oml_free(elts);
                        logerror("%s(): bad [bool] '%s'\n", __FUNCTION__, p);
                        return -1;
                    }
                }
                omlc_set_vector_bool(*value, elts, nof_elts);
                bytes = nof_elts * sizeof(bool);
                omlc_set_vector_ptr(*value, elts);
                omlc_set_vector_length(*value, bytes);
                omlc_set_vector_size(*value, bytes);
                omlc_set_vector_nof_elts(*value, nof_elts);
                omlc_set_vector_elt_size(*value, sizeof(bool));
            } else {
                logerror("%s(): out of memory reading [bool] of size %zu\n", __FUNCTION__, nof_elts);
                return -1;
            }
        } else {
            logerror("%s(): bad [bool] size '%s'\n", __FUNCTION__, value_s);
            return -1;
        }
        break;

    default:
        logerror("%s() for type '%d' not implemented to convert '%s'\n", __FUNCTION__, type, value_s);
        return -1;
    }

    if (errno == ERANGE) {
        logerror("%s(): underflow or overlow converting value from string '%s'\n", __FUNCTION__, value_s);
        return -1;
    }

    return 0;
}
コード例 #6
0
ファイル: marshal.c プロジェクト: alco90/soml
/** Unmarshals the next content of an MBuffer into a OmlValue
 *
 * \param mbuf MBuffer to read from
 * \param value pointer to OmlValue to unmarshall the read data into
 * \return 1 if successful, 0 otherwise
 */
int
unmarshal_value(MBuffer *mbuf, OmlValue *value)
{
  if (mbuf_rd_remaining(mbuf) == 0) {
    logerror("Tried to unmarshal a value from the buffer, but didn't receive enough data to do that\n");
    return 0;
  }

  int type = mbuf_read_byte (mbuf);
  if (type == -1) return 0;

  switch (type) {
  case LONG_T: {
    uint8_t buf [LONG_T_SIZE];

    if (mbuf_read (mbuf, buf, LENGTH (buf)) == -1)
    {
      logerror("Failed to unmarshal OML_LONG_VALUE; not enough data?\n");
      return 0;
    }

    uint32_t hv = ntohl(*((uint32_t*)buf));
    int32_t v = (int32_t)(hv);

    /*
     * The server no longer needs to know about OML_LONG_VALUE, as the
     * marshalling process now maps OML_LONG_VALUE into OML_INT32_VALUE
     * (by truncating to [INT_MIN, INT_MAX].  Therefore, unmarshall a
     * LONG_T value into an OML_INT32_VALUE object.
     */
    oml_value_set_type(value, OML_INT32_VALUE);
    omlc_set_int32(*oml_value_get_value(value), v);
    break;
  }
  case INT32_T:
  case UINT32_T:
  case INT64_T:
  case UINT64_T: {
    uint8_t buf [UINT64_T_SIZE]; // Maximum integer size
    OmlValueT oml_type = protocol_type_map[type];
    if (mbuf_read (mbuf, buf, protocol_size_map[type]) == -1) {
      logerror("Failed to unmarshall %d value; not enough data?\n", type);
      return 0;
    }
    oml_value_set_type(value, oml_type);
    switch (type) {
    case INT32_T:
      omlc_set_int32(*oml_value_get_value(value), ntohl(*((int32_t*)buf)));
      logdebug3("Unmarshalled %s %" PRId32 "\n", oml_type_to_s(oml_type), omlc_get_int32(*oml_value_get_value(value)));
      break;

    case UINT32_T:
      omlc_set_uint32(*oml_value_get_value(value), ntohl(*((uint32_t*)buf)));
      logdebug3("Unmarshalled %s %" PRIu32 "\n", oml_type_to_s(oml_type), omlc_get_uint32(*oml_value_get_value(value)));
      break;

    case INT64_T:
      omlc_set_int64(*oml_value_get_value(value), ntohll(*((int64_t*)buf)));
      logdebug3("Unmarshalled %s %" PRId64 "\n", oml_type_to_s(oml_type), omlc_get_int64(*oml_value_get_value(value)));
      break;

    case UINT64_T:
      omlc_set_uint64(*oml_value_get_value(value), ntohll(*((uint64_t*)buf)));
      logdebug3("Unmarshalled %s %" PRIu64 "\n", oml_type_to_s(oml_type), omlc_get_uint64(*oml_value_get_value(value)));
      break;

    default:
      logerror("Integer morphed, something magic has just happened\n");
      return 0;
    }
    break;
  }
  case DOUBLE_T: {
    uint8_t buf [DOUBLE_T_SIZE];
    OmlValueT oml_type = protocol_type_map[type];
    if (mbuf_read (mbuf, buf, LENGTH (buf)) == -1)
    {
      logerror("Failed to unmarshal OML_DOUBLE_VALUE; not enough data?\n");
      return 0;
    }

    int hmant = (int)ntohl(*((uint32_t*)buf));
    double mant = hmant * 1.0 / (1 << BIG_L);
    int exp = (int8_t) buf[4];
    double v = ldexp(mant, exp);
    oml_value_set_type(value, oml_type);
    omlc_set_double(*oml_value_get_value(value), v);
    logdebug3("Unmarshalled double %f\n", omlc_get_double(*oml_value_get_value(value)));
    break;
  }
  case DOUBLE_NAN: {
    OmlValueT oml_type = protocol_type_map[type];
    mbuf_read_skip(mbuf, DOUBLE_T_SIZE); /* The data is irrelevant */
    oml_value_set_type(value, oml_type);
    omlc_set_double(*oml_value_get_value(value), NAN);
    logdebug("Received NaN\n");
    break;
  }
  case STRING_T: {
    int len = 0;
    uint8_t buf [STRING_T_MAX_SIZE];

    len = mbuf_read_byte (mbuf);

    if (len == -1 || mbuf_read (mbuf, buf, len) == -1)
    {
      logerror("Failed to unmarshal OML_STRING_VALUE; not enough data?\n");
      return 0;
    }

    oml_value_set_type(value, OML_STRING_VALUE);
    omlc_set_string_copy(*oml_value_get_value(value), buf, len);
    logdebug3("Unmarshalled string '%s' of length %d\n", omlc_get_string_ptr(*oml_value_get_value(value)), len);
    break;
  }
  case BLOB_T: {
    uint32_t n_len;

    if (mbuf_read (mbuf, (uint8_t*)&n_len, 4) == -1) {
      logerror ("Failed to unmarshal OML_BLOB_VALUE length field; not enough data?\n");
      return 0;
    }

    size_t len = ntohl (n_len);
    size_t remaining = mbuf_rd_remaining (mbuf);

    if (len > remaining) {
      logerror ("Failed to unmarshal OML_BLOB_VALUE data:  not enough data available "
                "(wanted %d, but only have %d bytes\n",
                len, remaining);
      return 0;
    }

    void *ptr = mbuf_rdptr (mbuf);
    oml_value_set_type(value, OML_BLOB_VALUE);
    omlc_set_blob (*oml_value_get_value(value), ptr, len); /*XXX*/
    logdebug3("Unmarshalled blob of size %d\n", len);
    mbuf_read_skip (mbuf, len);
    break;
  }

  case GUID_T: {
    uint64_t nv64;
    uint8_t buf[GUID_T_SIZE];
    if(mbuf_read(mbuf, buf, GUID_T_SIZE) == -1) {
      logerror("Failed to unmarshall OML_GUID_VALUE data; not enough data?\n");
      return 0;
    }
    memcpy(&nv64, buf, sizeof(nv64));
    oml_value_set_type(value, OML_GUID_VALUE);
    omlc_set_guid(*oml_value_get_value(value), ntohll(nv64));
    logdebug3("Unmarshalled GUID %" PRIu64 "\n", omlc_get_guid(*oml_value_get_value(value)));
    break;
  }

  case BOOL_FALSE_T:
  case BOOL_TRUE_T:
    oml_value_set_type(value, OML_BOOL_VALUE);
    omlc_set_bool(*oml_value_get_value(value),
                  (type == BOOL_TRUE_T)?OMLC_BOOL_TRUE:OMLC_BOOL_FALSE);
    logdebug3("Unmarshalled boolean %d\n", OMLC_BOOL_TRUE == omlc_get_bool(*oml_value_get_value(value)));
    break;

  case VECTOR_T: {
    uint16_t i, nof_elts;
    int type = mbuf_read_byte(mbuf);
    if(-1 == type) {
      logerror("%s(): failed to unmarshall VECTOR_T length\n", __func__);
      return 0;
    }
    if(mbuf_read(mbuf,(uint8_t*)(&nof_elts), sizeof(nof_elts)) == -1) {
      logerror("%s(): failed to unmarshall VECTOR_T length\n", __func__);
      return 0;
    }
    nof_elts = ntohs(nof_elts);

    OmlValueT oml_type = vector_type_map[type];
    OmlValueU *v = oml_value_get_value(value);
    switch(type) {
    case INT32_T:
    case UINT32_T: {
      size_t bytes = nof_elts * sizeof(uint32_t);
      uint32_t *elts = oml_calloc(nof_elts, sizeof(uint32_t));
      if(mbuf_read(mbuf, (uint8_t*)(elts), nof_elts * sizeof(uint32_t)) == -1) {
        logerror("%s(): failed to unmarshall OML_VECTOR_(U)INT32_VALUE\n", __func__);
        return 0;
      }
      for(i = 0; i < nof_elts; i++)
        elts[i] = ntohl(elts[i]);
      oml_value_set_type(value, oml_type);
      omlc_set_vector_ptr(*v, elts);
      omlc_set_vector_length(*v, bytes);
      omlc_set_vector_size(*v, bytes);
      omlc_set_vector_nof_elts(*v, nof_elts);
      omlc_set_vector_elt_size(*v, sizeof(uint32_t));
      break;
    }
    case INT64_T:
    case UINT64_T:
    case DOUBLE64_T: {
      size_t bytes = nof_elts * sizeof(uint64_t);
      uint64_t *elts = oml_calloc(nof_elts, sizeof(uint64_t));
      if(mbuf_read(mbuf, (uint8_t*)(elts), nof_elts * sizeof(uint64_t)) == -1) {
        logerror("%s(): failed to unmarshall OML_VECTOR_(U)INT64_VALUE\n", __func__);
        return 0;
      }
      for(i = 0; i < nof_elts; i++)
        elts[i] = ntohll(elts[i]);
      oml_value_set_type(value, oml_type);
      omlc_set_vector_ptr(*v, elts);
      omlc_set_vector_length(*v, bytes);
      omlc_set_vector_size(*v, bytes);
      omlc_set_vector_nof_elts(*v, nof_elts);
      omlc_set_vector_elt_size(*v, sizeof(uint64_t));
      break;
    }
    case BOOL_T: {
      uint8_t y[nof_elts];
      size_t bytes = nof_elts * sizeof(bool);
      bool *elts = oml_calloc(nof_elts, sizeof(bool));
      if(mbuf_read(mbuf, y, nof_elts) == -1) {
        logerror("%s(): failed to unmarshall OML_VECTOR_BOOL_VALUE\n", __func__);
        return 0;
      }
      for(i = 0; i < nof_elts; i++)
        elts[i] = ((BOOL_TRUE_T == y[i]) ? true : false);
      oml_value_set_type(value, oml_type);
      omlc_set_vector_ptr(*v, elts);
      omlc_set_vector_length(*v, bytes);
      omlc_set_vector_size(*v, bytes);
      omlc_set_vector_nof_elts(*v, nof_elts);
      omlc_set_vector_elt_size(*v, sizeof(bool));
      break;
    }
    default:
      logerror("%s(): bad type for array (t=%d)\n", __func__, type);
      break;
    }
    break;
  }

  default:
    logerror("%s: Unsupported value type '%d'\n", __FUNCTION__, type);
    return 0;
  }

  return 1;
}