flowmatch_example_helper.cpp Source File

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42 

43 // Include this in order to access the Napatech API

44 #include <nt.h>

45 

46 #include <atomic>

47 #include <cstdlib>

48 #include <cstring>

49 #include <iostream>

50 

51 #include "flowmatch_example_helper.h"

52 

53 namespace {

54 

55 std::atomic<bool> ApplicationRunning { true };

56 

57 } // Unnamed namespace

58 

59 bool applicationRunning(void)

60 {

61  return ApplicationRunning;

62 }

63 

64 void applicationStop(void)

65 {

66  ApplicationRunning = false;

67 }

68 

69 void handleErrorStatus(int status, const char* message)

70 {

71  if (status != NT_SUCCESS) {

72  char errorBuffer[NT_ERRBUF_SIZE];

73  NT_ExplainError(status, errorBuffer, sizeof(errorBuffer));

74  std::cerr << message << ": " << errorBuffer << std::endl;

75  std::exit(EXIT_FAILURE);

76  }

77 }

78 

79 void setHostLoopback(uint8_t port, bool enable)

80 {

81  int status;

82  NtConfig_t configRead;

83  NtConfig_t configWrite;

84  NtConfigStream_t hCfgStream;

85 

86  std::memset(&configRead, 0x0, sizeof(NtConfig_t));

87  std::memset(&configWrite, 0x0, sizeof(NtConfig_t));

88 

89  status = NT_ConfigOpen(&hCfgStream, "Learn_example_config_loopback");

90  handleErrorStatus(status, "NT_ConfigOpen() failed");

91 

92  configRead.parm = NT_CONFIG_PARM_PORT_SETTINGS_V2;

93  configRead.u.portSettings_v2.portNo = port;

94 

95  status = NT_ConfigRead(hCfgStream, &configRead);

96  handleErrorStatus(status, "NT_ConfigRead() failed");

97 

98  configWrite.parm = NT_CONFIG_PARM_PORT_SETTINGS_V2;

99  configWrite.u.portSettings_v2.portNo = port;

100  configWrite.u.portSettings_v2.data = configRead.u.portSettings_v2.data;

101  configWrite.u.portSettings_v2.data.hostLoopback =

102  (enable) ? NT_HOST_LOOPBACK_DEFAULT : NT_HOST_LOOPBACK_NONE;

103 

104  status = NT_ConfigWrite(hCfgStream, &configWrite);

105  handleErrorStatus(status, "NT_ConfigWrite() failed");

106 

107  status = NT_ConfigClose(hCfgStream);

108  handleErrorStatus(status, "NT_ConfigClose() failed");

109 }