flowmatch_example_helper.cpp Source File

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43 

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

45 #include <nt.h>

46 

47 #include <atomic>

48 #include <cstdlib>

49 #include <cstring>

50 #include <iostream>

51 

52 #include "flowmatch_example_helper.h"

53 

54 namespace {

55 

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

57 

58 } // Unnamed namespace

59 

60 bool applicationRunning(void)

61 {

62  return ApplicationRunning;

63 }

64 

65 void applicationStop(void)

66 {

67  ApplicationRunning = false;

68 }

69 

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

71 {

72  if (status != NT_SUCCESS) {

73  char errorBuffer[NT_ERRBUF_SIZE];

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

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

76  std::exit(EXIT_FAILURE);

77  }

78 }

79 

80 void setHostLoopback(uint8_t port, bool enable)

81 {

82  int status;

83  NtConfig_t configRead;

84  NtConfig_t configWrite;

85  NtConfigStream_t hCfgStream;

86 

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

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

89 

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

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

92 

93  configRead.parm = NT_CONFIG_PARM_PORT_SETTINGS_V2;

94  configRead.u.portSettings_v2.portNo = port;

95 

96  status = NT_ConfigRead(hCfgStream, &configRead);

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

98 

99  configWrite.parm = NT_CONFIG_PARM_PORT_SETTINGS_V2;

100  configWrite.u.portSettings_v2.portNo = port;

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

102  configWrite.u.portSettings_v2.data.hostLoopback =

103  (enable) ? NT_HOST_LOOPBACK_DEFAULT : NT_HOST_LOOPBACK_NONE;

104 

105  status = NT_ConfigWrite(hCfgStream, &configWrite);

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

107 

108  status = NT_ConfigClose(hCfgStream);

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

110 }