mgmapi.cpp

mysql-5.0.24源码包

    BaseString result;
    prop->get("result", result);
    if(strcmp(result.c_str(), "Ok") == 0) {
      retval = 0;
    } else {
      SET_ERROR(handle, EINVAL, result.c_str());
      retval = -1;
    }
    delete prop;
  }

  return retval;
}

extern "C"
int 
ndb_mgm_stop_signallog(NdbMgmHandle handle, int nodeId,
		       struct ndb_mgm_reply* reply) 
{
  SET_ERROR(handle, NDB_MGM_NO_ERROR, "Executing: ndb_mgm_stop_signallog");
  const ParserRow<ParserDummy> stop_signallog_reply[] = {
    MGM_CMD("stop signallog reply", NULL, ""),
    MGM_ARG("result", String, Mandatory, "Error message"),
    MGM_END()
  };
  int retval = -1;
  CHECK_HANDLE(handle, -1);
  CHECK_CONNECTED(handle, -1);
  
  Properties args;
  args.put("node", nodeId);

  const Properties *prop;
  prop = ndb_mgm_call(handle, stop_signallog_reply, "stop signallog", &args);

  if(prop != NULL) {
    BaseString result;
    prop->get("result", result);
    if(strcmp(result.c_str(), "Ok") == 0) {
      retval = 0;
    } else {
      SET_ERROR(handle, EINVAL, result.c_str());
      retval = -1;
    }
    delete prop;
  }

  return retval;
}

struct ndb_mgm_signal_log_modes 
{
  const char* name;
  enum ndb_mgm_signal_log_mode mode;
};

extern "C"
int 
ndb_mgm_log_signals(NdbMgmHandle handle, int nodeId, 
		    enum ndb_mgm_signal_log_mode mode, 
		    const char* blockNames,
		    struct ndb_mgm_reply* reply) 
{
  SET_ERROR(handle, NDB_MGM_NO_ERROR, "Executing: ndb_mgm_log_signals");
  const ParserRow<ParserDummy> stop_signallog_reply[] = {
    MGM_CMD("log signals reply", NULL, ""),
    MGM_ARG("result", String, Mandatory, "Error message"),
    MGM_END()
  };
  int retval = -1;
  CHECK_HANDLE(handle, -1);
  CHECK_CONNECTED(handle, -1);

  Properties args;
  args.put("node", nodeId);
  args.put("blocks", blockNames);

  switch(mode) {
  case NDB_MGM_SIGNAL_LOG_MODE_IN:
    args.put("in", (Uint32)1);
    args.put("out", (Uint32)0);
    break;
  case NDB_MGM_SIGNAL_LOG_MODE_OUT:
    args.put("in", (Uint32)0);
    args.put("out", (Uint32)1);
    break;
  case NDB_MGM_SIGNAL_LOG_MODE_INOUT:
    args.put("in", (Uint32)1);
    args.put("out", (Uint32)1);
    break;
  case NDB_MGM_SIGNAL_LOG_MODE_OFF:
    args.put("in", (Uint32)0);
    args.put("out", (Uint32)0);
    break;
  }

  const Properties *prop;
  prop = ndb_mgm_call(handle, stop_signallog_reply, "log signals", &args);

  if(prop != NULL) {
    BaseString result;
    prop->get("result", result);
    if(strcmp(result.c_str(), "Ok") == 0) {
      retval = 0;
    } else {
      SET_ERROR(handle, EINVAL, result.c_str());
      retval = -1;
    }
    delete prop;
  }

  return retval;
}

extern "C"
int 
ndb_mgm_set_trace(NdbMgmHandle handle, int nodeId, int traceNumber,
		  struct ndb_mgm_reply* reply) 
{
  SET_ERROR(handle, NDB_MGM_NO_ERROR, "Executing: ndb_mgm_set_trace");
  const ParserRow<ParserDummy> set_trace_reply[] = {
    MGM_CMD("set trace reply", NULL, ""),
    MGM_ARG("result", String, Mandatory, "Error message"),
    MGM_END()
  };
  int retval = -1;
  CHECK_HANDLE(handle, -1);
  CHECK_CONNECTED(handle, -1);

  Properties args;
  args.put("node", nodeId);
  args.put("trace", traceNumber);

  const Properties *prop;
  prop = ndb_mgm_call(handle, set_trace_reply, "set trace", &args);

  if(prop != NULL) {
    BaseString result;
    prop->get("result", result);
    if(strcmp(result.c_str(), "Ok") == 0) {
      retval = 0;
    } else {
      SET_ERROR(handle, EINVAL, result.c_str());
      retval = -1;
    }
    delete prop;
  }

  return retval;
}

extern "C"
int 
ndb_mgm_insert_error(NdbMgmHandle handle, int nodeId, int errorCode,
		     struct ndb_mgm_reply* reply) 
{
  SET_ERROR(handle, NDB_MGM_NO_ERROR, "Executing: ndb_mgm_insert_error");
  const ParserRow<ParserDummy> insert_error_reply[] = {
    MGM_CMD("insert error reply", NULL, ""),
    MGM_ARG("result", String, Mandatory, "Error message"),
    MGM_END()
  };
  int retval = -1;
  CHECK_HANDLE(handle, -1);
  CHECK_CONNECTED(handle, -1);

  Properties args;
  args.put("node", nodeId);
  args.put("error", errorCode);

  const Properties *prop;
  prop = ndb_mgm_call(handle, insert_error_reply, "insert error", &args);

  if(prop != NULL) {
    BaseString result;
    prop->get("result", result);
    if(strcmp(result.c_str(), "Ok") == 0) {
      retval = 0;
    } else {
      SET_ERROR(handle, EINVAL, result.c_str());
      retval = -1;
    }
    delete prop;
  }

  return retval;
}

extern "C"
int 
ndb_mgm_start(NdbMgmHandle handle, int no_of_nodes, const int * node_list)
{
  SET_ERROR(handle, NDB_MGM_NO_ERROR, "Executing: ndb_mgm_start");
  const ParserRow<ParserDummy> start_reply[] = {
    MGM_CMD("start reply", NULL, ""),
    MGM_ARG("started", Int, Optional, "No of started nodes"),
    MGM_ARG("result", String, Mandatory, "Error message"),
    MGM_END()
  };
  int started = 0;
  CHECK_HANDLE(handle, -1);
  CHECK_CONNECTED(handle, -1);

  if(no_of_nodes < 0){
    SET_ERROR(handle, EINVAL, "");
    return -1;
  }

  if(no_of_nodes == 0){
    Properties args;
    const Properties *reply;
    reply = ndb_mgm_call(handle, start_reply, "start all", &args);
    CHECK_REPLY(reply, -1);

    Uint32 count = 0;
    if(!reply->get("started", &count)){
      delete reply;
      return -1;
    }
    delete reply;
    return count;
  }

  for(int node = 0; node < no_of_nodes; node++) {
    Properties args;
    args.put("node", node_list[node]);

    const Properties *reply;
    reply = ndb_mgm_call(handle, start_reply, "start", &args);

    if(reply != NULL) {
      BaseString result;
      reply->get("result", result);
      if(strcmp(result.c_str(), "Ok") == 0) {
	started++;
      } else {
	SET_ERROR(handle, EINVAL, result.c_str());
	delete reply;
	return -1;
      }
    }
    delete reply;
  }

  return started;
}

/*****************************************************************************
 * Backup
 *****************************************************************************/
extern "C"
int 
ndb_mgm_start_backup(NdbMgmHandle handle, int wait_completed,
		     unsigned int* _backup_id,
		     struct ndb_mgm_reply* /*reply*/) 
{
  SET_ERROR(handle, NDB_MGM_NO_ERROR, "Executing: ndb_mgm_start_backup");
  const ParserRow<ParserDummy> start_backup_reply[] = {
    MGM_CMD("start backup reply", NULL, ""),
    MGM_ARG("result", String, Mandatory, "Error message"),
    MGM_ARG("id", Int, Optional, "Id of the started backup"),
    MGM_END()
  };
  CHECK_HANDLE(handle, -1);
  CHECK_CONNECTED(handle, -1);

  Properties args;
  args.put("completed", wait_completed);
  const Properties *reply;
  { // start backup can take some time, set timeout high
    Uint64 old_timeout= handle->read_timeout;
    if (wait_completed == 2)
      handle->read_timeout= 48*60*60*1000; // 48 hours
    else if (wait_completed == 1)
      handle->read_timeout= 10*60*1000; // 10 minutes
    reply = ndb_mgm_call(handle, start_backup_reply, "start backup", &args);
    handle->read_timeout= old_timeout;
  }
  CHECK_REPLY(reply, -1);

  BaseString result;
  reply->get("result", result);
  reply->get("id", _backup_id);
  if(strcmp(result.c_str(), "Ok") != 0) {
    SET_ERROR(handle, NDB_MGM_COULD_NOT_START_BACKUP, result.c_str());
    delete reply;
    return -1;
  }

  delete reply;
  return 0;
}

extern "C"
int
ndb_mgm_abort_backup(NdbMgmHandle handle, unsigned int backupId,
		     struct ndb_mgm_reply* /*reply*/) 
{
  SET_ERROR(handle, NDB_MGM_NO_ERROR, "Executing: ndb_mgm_abort_backup");
  const ParserRow<ParserDummy> stop_backup_reply[] = {
    MGM_CMD("abort backup reply", NULL, ""),
    MGM_ARG("result", String, Mandatory, "Error message"),    
    MGM_END()
  };
  CHECK_HANDLE(handle, -1);
  CHECK_CONNECTED(handle, -1);
  
  Properties args;
  args.put("id", backupId);

  const Properties *prop;
  prop = ndb_mgm_call(handle, stop_backup_reply, "abort backup", &args);
  CHECK_REPLY(prop, -1);

  const char * buf;
  prop->get("result", &buf);
  if(strcmp(buf,"Ok")!=0) {
    SET_ERROR(handle, NDB_MGM_COULD_NOT_ABORT_BACKUP, buf);
    delete prop;    
    return -1;
  }

  delete prop;
  return 0;
}

extern "C"
struct ndb_mgm_configuration *
ndb_mgm_get_configuration(NdbMgmHandle handle, unsigned int version) {

  CHECK_HANDLE(handle, 0);
  CHECK_CONNECTED(handle, 0);

  Properties args;
  args.put("version", version);

  const ParserRow<ParserDummy> reply[] = {
    MGM_CMD("get config reply", NULL, ""),
    MGM_ARG("result", String, Mandatory, "Error message"),    
    MGM_ARG("Content-Length", Int, Optional, "Content length in bytes"),
    MGM_ARG("Content-Type", String, Optional, "Type (octet-stream)"),
    MGM_ARG("Content-Transfer-Encoding", String, Optional, "Encoding(base64)"),
    MGM_END()
  };
  
  const Properties *prop;
  prop = ndb_mgm_call(handle, reply, "get config", &args);
  CHECK_REPLY(prop, 0);
  
  do {
    const char * buf;
    if(!prop->get("result", &buf) || strcmp(buf, "Ok") != 0){
      fprintf(handle->errstream, "ERROR Message: %s\n\n", buf);
      break;
    }

    buf = "<Unspecified>";
    if(!prop->get("Content-Type", &buf) || 
       strcmp(buf, "ndbconfig/octet-stream") != 0){
      fprintf(handle->errstream, "Unhandled response type: %s\n", buf);
      break;
    }

    buf = "<Unspecified>";
    if(!prop->get("Content-Transfer-Encoding", &buf) 
       || strcmp(buf, "base64") != 0){
      fprintf(handle->errstream, "Unhandled encoding: %s\n", buf);
      break;
    }

    buf = "<Content-Length Unspecified>";
    Uint32 len = 0;
    if(!prop->get("Content-Length", &len)){
      fprintf(handle->errstream, "Invalid response: %s\n\n", buf);
      break;
    }

    len += 1; // Trailing \n
        
    char* buf64 = new char[len];
    int read = 0;
    size_t start = 0;
    do {
      if((read = read_socket(handle->socket, handle->read_timeout, 
			     &buf64[start], len-start)) == -1){
	delete[] buf64; 
	buf64 = 0;
	break;
      }
      start += read;
    } while(start < len);
    if(buf64 == 0)
      break;

    void *tmp_data = malloc(base64_needed_decoded_length((size_t) (len - 1)));
    const int res = base64_decode(buf64, len-1, tmp_data);
    delete[] buf64;
    UtilBuffer tmp;
    tmp.append((void *) tmp_data, res);
    free(tmp_data);
    if (res < 0)
    {
      fprintf(handle->errstream, "Failed to decode buffer\n");
      break;
    }

    ConfigValuesFactory cvf;
    const int res2 = cvf.unpack(tmp);
    if(!res2){
      fprintf(handle->errstream, "Failed to unpack buffer\n");
      break;
    }

    delete prop;
    return (ndb_mgm_configuration*)cvf.getConfigValues();
  } while(0);

  delete prop;
  return 0;
}

extern "C"
void
ndb_mgm_destroy_configuration(struct ndb_mgm_configuration *cfg)
{
  if (cfg) {
    ((ConfigValues *)cfg)->~ConfigValues();
    free((void *)cfg);
  }
}

extern "C"
int
ndb_mgm_set_configuration_nodeid(NdbMgmHandle handle, int nodeid)
{
  CHECK_HANDLE(handle, -1);
  handle->cfg._ownNodeId= nodeid;
  return 0;
}

extern "C"
int
ndb_mgm_get_configuration_nodeid(NdbMgmHandle handle)
{
  CHECK_HANDLE(handle, 0);
  return handle->cfg._ownNodeId;
}

extern "C"
int ndb_mgm_get_connected_port(NdbMgmHandle handle)
{
  if (handle->cfg_i >= 0)
    return handle->cfg.ids[handle->cfg_i].port;
  else
    return 0;
}

extern "C"
const char *ndb_mgm_get_connected_host(NdbMgmHandle handle)
{
  if (handle->cfg_i >= 0)
    return handle->cfg.ids[handle->cfg_i].name.c_str();
  else
    return 0;
}

extern "C"
const char *ndb_mgm_get_connectstring(NdbMgmHandle handle, char *buf, int buf_sz)
{
  return handle->cfg.makeConnectString(buf,buf_sz);
}

extern "C"
int
ndb_mgm_alloc_nodeid(NdbMgmHandle handle, unsigned int version, int nodetype,
                     int log_event)
{
  CHECK_HANDLE(handle, 0);
  CHECK_CONNECTED(handle, 0);
  union { long l; char c[sizeof(long)]; } endian_check;

  endian_check.l = 1;

  int nodeid= handle->cfg._ownNodeId;

  Properties args;
  args.put("version", version);
  args.put("nodetype", nodetype);
  args.put("nodeid", nodeid);
  args.put("user", "mysqld");
  args.put("password", "mysqld");
  args.put("public key", "a public key");
  args.put("endian", (endian_check.c[sizeof(long)-1])?"big":"little");
  if (handle->m_name)
    args.put("name", handle->m_name);
  args.put("log_event", log_event);

  const ParserRow<ParserDummy> reply[]= {
    MGM_CMD("get nodeid reply", NULL, ""),
      MGM_ARG("error_code", Int, Optional, "Error code"),
      MGM_ARG("nodeid", Int, Optional, "Error message"),
      MGM_ARG("result", String, Mandatory, "Error message"),
    MGM_END()
  };
  
  const Properties *prop;
  prop= ndb_mgm_call(handle, reply, "get nodeid", &args);
  CHECK_REPLY(prop, -1);

  nodeid= -1;
  do {