1 | // **************************************************************************
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2 | /** @class DimErrorRedirecter
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3 |
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4 | @brief A base class taking care of padding, exit handler and error handlers
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5 |
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6 | This class first switches off padding for the DimServer and the DimClient
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7 | (dis and dic). Furthermore, it redirects both error handlers to the
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8 | DimErrorRedirecter. Redirect the exit handler.
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9 |
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10 | Only one instance of this class is allowed, since all Dim handlers are
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11 | global.
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12 |
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13 | In the destructor of the class the handlers are correctly restored.
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14 | The padding setup is kept.
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15 |
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16 | For FACT++ all Dim data is transmitted without padding!
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17 |
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18 | To catch the error messages overwrite the errorHandler. The errorHandler
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19 | of the DimErrorRedirecter redirects the error messages to the logging
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20 | stream given in the constructor.
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21 |
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22 | To catch the exit requests overwrite the exitHandler.
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23 |
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24 | */
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25 | // **************************************************************************
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26 | #include "DimErrorRedirecter.h"
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27 |
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28 | #include <dic.hxx>
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29 |
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30 | #include "WindowLog.h"
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31 | #include "MessageImp.h"
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32 |
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33 | using namespace std;
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34 |
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35 | int DimErrorRedirecter::fDimErrorRedireterCnt = 0;
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36 |
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37 | // --------------------------------------------------------------------------
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38 | //
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39 | //! - disable padding for dim server and dim client
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40 | //! - redirect DimClient error handler
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41 | //! - redirect DimServer error handler
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42 | //! - set exit handler of DimServer
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43 | //
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44 | DimErrorRedirecter::DimErrorRedirecter(MessageImp &imp) : fMsg(imp)
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45 | {
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46 | if (fDimErrorRedireterCnt++)
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47 | throw logic_error("ERROR - More than one instance of MyHandlers.");
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48 |
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49 | dic_disable_padding();
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50 | dis_disable_padding();
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51 |
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52 | DimServer::addExitHandler(this);
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53 | DimServer::addErrorHandler(this);
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54 | DimClient::addErrorHandler(this);
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55 | }
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56 |
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57 | // --------------------------------------------------------------------------
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58 | //
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59 | //! - reset DimClient error handler
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60 | //! - reset DimServer error handler
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61 | //! - reset exit handler of DimServer
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62 | //
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63 | DimErrorRedirecter::~DimErrorRedirecter()
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64 | {
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65 | DimClient::addErrorHandler(0);
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66 | DimServer::addErrorHandler(0);
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67 | DimServer::addExitHandler(0);
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68 | }
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69 |
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70 | void DimErrorRedirecter::errorHandler(int severity, int code, char *msg)
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71 | {
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72 | static const string id = "<DIM> ";
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73 |
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74 | switch (severity)
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75 | {
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76 | case DIM_FATAL: fMsg.Error(id+msg); break;
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77 | case DIM_ERROR: fMsg.Error(id+msg); break;
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78 | case DIM_WARNING: fMsg.Warn(id+msg); break;
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79 | case DIM_INFO: fMsg.Info(id+msg); break;
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80 | default:
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81 | ostringstream str;
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82 | str << "DIM message with unknown severity (" << severity << "): ";
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83 | str << msg << " (" << code << ")";
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84 | fMsg.Warn(str);
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85 | break;
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86 | }
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87 |
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88 | // If the severity is FATAL after this the exitHandler
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89 | // is called with the errorcode by dim
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90 |
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91 | //if (severity==DIM_FATAL && code==DIMDNSDUPLC)
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92 | // exit(3);//abort();
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93 |
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94 |
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95 | /*
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96 | DIMDNSUNDEF DIM_FATAL DIM_DNS_NODE undefined
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97 | DIMDNSREFUS DIM_FATAL DIM_DNS refuses connection
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98 | DIMDNSDUPLC DIM_FATAL Service already exists in DNS
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99 | DIMDNSEXIT DIM_FATAL DNS requests server to EXIT
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100 | DIMDNSTMOUT DIM_WARNING Server failed sending Watchdog
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101 |
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102 | DIMDNSCNERR DIM_ERROR Connection to DNS failed
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103 | DIMDNSCNEST DIM_INFO Connection to DNS established
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104 |
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105 | DIMSVCDUPLC DIM_ERROR Service already exists in Server
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106 | DIMSVCFORMT DIM_ERROR Bad format string for service
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107 | DIMSVCINVAL DIM_ERROR Invalid Service ID
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108 |
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109 | DIMTCPRDERR DIM_ERROR TCP/IP read error
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110 | DIMTCPWRRTY DIM_WARNING TCP/IP write error - Retrying
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111 | DIMTCPWRTMO DIM_ERROR TCP/IP write error - Disconnected
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112 | DIMTCPLNERR DIM_ERROR TCP/IP listen error
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113 | DIMTCPOPERR DIM_ERROR TCP/IP open server error
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114 | DIMTCPCNERR DIM_ERROR TCP/IP connection error
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115 | DIMTCPCNEST DIM_INFO TCP/IP connection established
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116 | */
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117 | }
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118 |
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