src_client/DeviceManagerClient.cc

   1 /*
   2  * DeviceManagerClient.cc
   3  *
   4  *  Created on: Mar 4, 2011
   5  *      Author: lamikr
   6  */
   7 #include <sstream>
   8 #include <string>
   9
  10 #include <plp/log.h>
  11 #include <plp/retval.h>
  12
  13 #include <plp/Data.hh>
  14 #include <plp/DeviceData.hh>
  15
  16 #include "DeviceManagerClient.hh"
  17 #include "../src/plp/devicebus/DeviceBusMessageId.hh"
  18
  19 using namespace std;
  20 using namespace plp;
  21 using namespace plpbus;
  22 using namespace plpdevicebus;
  23
  24 DeviceManagerClient::DeviceManagerClient() {
  25         _device_list    = NULL;
  26 }
  27
  28 static void clean_device_list(list<Device *> *dev_lst) {
  29         Device  *dev;
  30
  31         if (dev_lst != NULL) {
  32                 while (dev_lst->empty() == false) {
  33                         dev     = dev_lst->back();
  34                         dev_lst->pop_back();
  35                         delete(dev);
  36                 }
  37                 delete(dev_lst);
  38                 dev_lst = NULL;
  39         }
  40 }
  41
  42 DeviceManagerClient::~DeviceManagerClient() {
  43         clean_device_list(_device_list);
  44 }
  45
  46 const std::list<plp::Device *> *DeviceManagerClient::get_device_list(BusClient *client_param,
  47                                                 int *err_flg) {
  48         //send_request__get_device_list(client_param);
  49
  50         BusMessage      *msg_req;
  51         BusMessage      *msg_rsp;
  52
  53         msg_rsp = NULL;
  54         msg_req = new BusMessage(MSG_TYPE_ID__GET_DEVICE_LIST);
  55         client_param->send_message_and_wait_response(msg_req, &msg_rsp);
  56         clean_device_list(_device_list);
  57         _device_list    = parse_device_list_msg(msg_rsp, err_flg);
  58         delete(msg_req);
  59         delete(msg_rsp);
  60
  61         return _device_list;
  62 }
  63
  64 DataRange *DeviceManagerClient::parse_device_data_msg(BusMessage *msg_param,
  65                                                 int *err_flg) {
  66         Data            *data;
  67         string          data_str;
  68         DataRange       *ret_val;
  69
  70         *err_flg        = PLP_ERR;
  71         ret_val         = NULL;
  72         if (msg_param != NULL) {
  73                 data_str        = msg_param->get_string_parameter(RSP__GET_LATEST_DATA__VALUE, err_flg);
  74                 data            = Data::parse_string(data_str);
  75                 ret_val         = new DataRange(data);
  76                 log_debug("latest data\n");
  77                 data->printout();
  78
  79                 data_str        = msg_param->get_string_parameter(RSP__GET_LATEST_DATA__MIN_VALUE, err_flg);
  80                 data            = Data::parse_string(data_str);
  81                 ret_val->add(data);
  82                 log_debug("min data\n");
  83                 data->printout();
  84
  85                 data_str        = msg_param->get_string_parameter(RSP__GET_LATEST_DATA__MAX_VALUE, err_flg);
  86                 data            = Data::parse_string(data_str);
  87                 ret_val->add(data);
  88                 log_debug("max data\n");
  89                 data->printout();
  90
  91                 *err_flg        = PLP_OK;
  92         }
  93         return ret_val;
  94 }
  95
  96 Data *DeviceManagerClient::get_latest_data(BusClient *client_param,
  97                                         string device_id_param,
  98                                         int *err_flg) {
  99         BusMessage      *msg_req;
 100         BusMessage      *msg_rsp;
 101         Data            *ret_val;
 102         DataRange       *dr;
 103
 104         msg_rsp = NULL;
 105         ret_val = NULL;
 106         msg_req = new BusMessage(MSG_TYPE_ID__GET_LATEST_DATA);
 107         msg_req->add_string_parameter(REQ__GET_LATEST_DATA__ID, device_id_param.c_str());
 108         client_param->send_message_and_wait_response(msg_req, &msg_rsp);
 109         dr      = parse_device_data_msg(msg_rsp, err_flg);
 110         ret_val = dr->get_first()->clone();
 111         delete(dr);
 112         delete(msg_req);
 113         delete(msg_rsp);
 114
 115         return ret_val;
 116 }
 117
 118 list<Device *> *DeviceManagerClient::parse_device_list_msg(BusMessage *msg_param,
 119                                                         int *err_flg) {
 120         int                             ii;
 121         long                            count;
 122         ostringstream                   key;
 123         string                          id;
 124         string                          name;
 125         string                          type;
 126         string                          datastr;
 127         EnumDeviceLifeCycleStatus       state;
 128         int                             state_i;
 129         Device                          *dev;
 130         Data                            *data;
 131         list<Device *>                  *ret_val;
 132
 133         count   = msg_param->get_long_parameter(RSP__DEVICE_LIST__DEVICE_COUNT, err_flg);
 134         log_debug("device count: %ld\n", count);
 135         ret_val = new list<Device *>;
 136         if (*err_flg == PLP_OK) {
 137                 for (ii = 0; ii < count; ii++) {
 138                         key.str("");
 139                         key << RSP__DEVICE_LIST__ID << ii;
 140                         id      = msg_param->get_string_parameter(key.str(), err_flg);
 141                         if (*err_flg != PLP_OK) {
 142                                 log_error("Failed to parse device id.\n");
 143                                 break;
 144                         }
 145
 146                         key.str("");
 147                         key << RSP__DEVICE_LIST__NAME << ii;
 148                         name    = msg_param->get_string_parameter(key.str(), err_flg);
 149                         if (*err_flg != PLP_OK) {
 150                                 log_error("Failed to parse name for the device: %s\n", id.c_str());
 151                                 break;
 152                         }
 153
 154                         key.str("");
 155                         key << RSP__DEVICE_LIST__TYPE << ii;
 156                         type    = msg_param->get_string_parameter(key.str(), err_flg);
 157                         if (*err_flg != PLP_OK) {
 158                                 log_error("Failed to parse type for the device: %s\n", id.c_str());
 159                                 break;
 160                         }
 161
 162                         key.str("");
 163                         key << RSP__DEVICE_LIST__LF_STATE << ii;
 164                         state_i = msg_param->get_int_parameter(key.str(), err_flg);
 165                         if (*err_flg != PLP_OK) {
 166                                 log_error("Failed to parse life cycle state for the device: %s\n", id.c_str());
 167                                 break;
 168                         }
 169                         state   = (EnumDeviceLifeCycleStatus)state_i;
 170
 171                         key.str("");
 172                         key << RSP__DEVICE_LIST__DATA << ii;
 173                         datastr = msg_param->get_string_parameter(key.str(), err_flg);
 174                         if (*err_flg == PLP_OK) {
 175                                 data    = Data::parse_string(datastr);
 176                                 if (data == NULL) {
 177                                         log_error("Failed to parse data items for the device: %s\n", id.c_str());
 178                                         *err_flg = PLP_ERR;
 179                                         break;
 180                                 }
 181                         }
 182                         else {
 183                                 log_error("No data available for the device: %s\n", id.c_str());
 184                                 data    = new Data(0);
 185                         }
 186                         dev     = new DeviceData(id, type, name, state, data);
 187                         ret_val->push_back(dev);
 188                 }
 189         }
 190         return ret_val;
 191 }