1 | // Copyright (c) 2013 by István Váradi
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2 |
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3 | // This file is part of XPLRA, a remote-access plugin for X-Plane
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4 |
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5 | // Redistribution and use in source and binary forms, with or without
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6 | // modification, are permitted provided that the following conditions are met:
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7 |
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8 | // 1. Redistributions of source code must retain the above copyright notice, this
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9 | // list of conditions and the following disclaimer.
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10 | // 2. Redistributions in binary form must reproduce the above copyright notice,
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11 | // this list of conditions and the following disclaimer in the documentation
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12 | // and/or other materials provided with the distribution.
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13 |
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14 | // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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15 | // ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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16 | // WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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17 | // DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
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18 | // ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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19 | // (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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20 | // LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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21 | // ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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22 | // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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23 | // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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24 |
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25 | // The views and conclusions contained in the software and documentation are those
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26 | // of the authors and should not be interpreted as representing official policies,
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27 | // either expressed or implied, of the FreeBSD Project.
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28 |
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29 | //------------------------------------------------------------------------------
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30 |
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31 | #include "GetDataRefTask.h"
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32 | #include "Protocol.h"
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33 |
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34 | #include "xplcommon/Util.h"
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35 |
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36 | //------------------------------------------------------------------------------
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37 |
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38 | using xplra::GetDataRefTask;
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39 | using xplra::GetIntDataRefTask;
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40 | using xplra::GetFloatDataRefTask;
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41 | using xplra::GetDoubleDataRefTask;
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42 |
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43 | using xplcommon::DataStream;
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44 | using xplcommon::Util;
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45 |
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46 | using std::string;
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47 |
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48 | //------------------------------------------------------------------------------
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49 |
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50 | GetDataRefTask* GetDataRefTask::create(uint8_t& result, DataStream& stream)
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51 | {
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52 | result = Protocol::RESULT_OK;
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53 |
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54 | string name = stream.readString();
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55 | uint8_t type = stream.readU8();
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56 | if (!stream) return 0;
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57 |
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58 | // Util::debug("hu.varadiistvan.xplra.GetDataRefTask::execute: name='%s', type=0x%02x\n",
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59 | // name.c_str(), type);
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60 |
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61 | if (type==Protocol::TYPE_INT) {
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62 | return new GetIntDataRefTask(name);
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63 | } else if (type==Protocol::TYPE_FLOAT) {
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64 | return new GetFloatDataRefTask(name);
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65 | } else if (type==Protocol::TYPE_DOUBLE) {
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66 | return new GetDoubleDataRefTask(name);
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67 | } else if (type==Protocol::TYPE_FLOAT_ARRAY ||
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68 | type==Protocol::TYPE_INT_ARRAY ||
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69 | type==Protocol::TYPE_BYTE_ARRAY)
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70 | {
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71 | int length = stream.readS32();
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72 | int offset = stream.readS32();
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73 | if (!stream) return 0;
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74 |
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75 | if (length>Protocol::MAX_LENGTH) {
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76 | result = Protocol::RESULT_INVALID_LENGTH;
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77 | return 0;
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78 | }
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79 | if (offset<0) {
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80 | result = Protocol::RESULT_INVALID_OFFSET;
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81 | return 0;
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82 | }
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83 |
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84 | if (type==Protocol::TYPE_FLOAT_ARRAY) {
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85 | return new GetFloatArrayDataRefTask(name, length, offset);
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86 | } else if (type==Protocol::TYPE_INT_ARRAY) {
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87 | return new GetIntArrayDataRefTask(name, length, offset);
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88 | } else {
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89 | return new GetByteArrayDataRefTask(name, length, offset);
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90 | }
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91 | } else {
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92 | result = Protocol::RESULT_INVALID_TYPE;
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93 | return 0;
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94 | }
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95 | }
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96 |
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97 | //------------------------------------------------------------------------------
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98 | //------------------------------------------------------------------------------
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99 |
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100 | void GetIntDataRefTask::writeValue(DataStream& stream)
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101 | {
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102 | stream.writeS32(getValue());
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103 | }
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104 |
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105 | //------------------------------------------------------------------------------
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106 |
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107 | void GetFloatDataRefTask::writeValue(DataStream& stream)
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108 | {
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109 | stream.writeFloat(getValue());
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110 | }
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111 |
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112 | //------------------------------------------------------------------------------
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113 |
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114 | void GetDoubleDataRefTask::writeValue(DataStream& stream)
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115 | {
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116 | stream.writeDouble(getValue());
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117 | }
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118 |
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119 | //------------------------------------------------------------------------------
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120 |
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121 | // Local Variables:
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122 | // mode: C++
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123 | // c-basic-offset: 4
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124 | // indent-tabs-mode: nil
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125 | // End:
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