Class: Satyr::Report

Inherits:
Object
  • Object
show all
Defined in:
lib/satyr.rb

Overview

Report containing all data relevant to a software problem

Instance Method Summary collapse

Constructor Details

#initialize(json) ⇒ Report

Parses given JSON string to create new Report

Raises:



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# File 'lib/satyr.rb', line 89

def initialize(json)
  error_msg = ::FFI::MemoryPointer.new(:pointer, 1)
  pointer = Satyr::FFI.sr_report_from_json_text json.to_s, error_msg
  error_msg = error_msg.read_pointer
  unless error_msg.null?
    message = error_msg.read_string
    Satyr::set_encoding message
    Satyr::FFI.free error_msg
    raise SatyrError, "Failed to parse JSON: #{message}"
  end

  # from_json_text should never return NULL without setting error_msg,
  # better err on the safe side though
  raise SatyrError, "Failed to create stacktrace" if pointer.null?

  @struct = Satyr::FFI::ReportStruct.new pointer
end

Instance Method Details

#stacktrace ⇒ Object

Returns Stacktrace of the report

Raises:



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# File 'lib/satyr.rb', line 108

def stacktrace
  stacktrace = @struct[:stacktrace]
  return nil if stacktrace.null?

  # There's no sr_stacktrace_dup in libsatyr.so.3, we've got to find out
  # the type ourselves.
  dup = case @struct[:type]
  when :core
    Satyr::FFI.sr_core_stacktrace_dup(stacktrace)
  when :python
    Satyr::FFI.sr_python_stacktrace_dup(stacktrace)
  when :kerneloops
    Satyr::FFI.sr_koops_stacktrace_dup(stacktrace)
  when :java
    Satyr::FFI.sr_java_stacktrace_dup(stacktrace)
  when :gdb
    Satyr::FFI.sr_gdb_stacktrace_dup(stacktrace)
  else
    raise SatyrError, "Invalid report type"
  end

  raise SatyrError, "Failed to obtain stacktrace" if dup.null?

  Stacktrace.send(:new, dup)
end