Class: Raven::Event

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

Constant Summary collapse

LOG_LEVELS = 
{
  "debug" => 10,
  "info" => 20,
  "warn" => 30,
  "warning" => 30,
  "error" => 40,
  "fatal" => 50,
}
BACKTRACE_RE = 
/^(.+?):(\d+)(?::in `(.+?)')?$/

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(options = {}, &block) ⇒ Event

Returns a new instance of Event.

Raises:



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# File 'lib/raven/event.rb', line 27

def initialize(options={}, &block)
  @configuration = options[:configuration] || Raven.configuration
  @interfaces = {}

  @id = options[:id] || UUIDTools::UUID.random_create.hexdigest
  @message = options[:message]
  @timestamp = options[:timestamp] || Time.now.utc
  @level = options[:level] || :error
  @logger = options[:logger] || 'root'
  @culprit = options[:culprit]
  @extra = options[:extra]
  @tags = options[:tags]

  # Try to resolve the hostname to an FQDN, but fall back to whatever the load name is
  hostname = Socket.gethostname
  hostname = Socket.gethostbyname(hostname).first rescue hostname
  @server_name = options[:server_name] || hostname

  # Older versions of Rubygems don't support iterating over all specs
  if @configuration.send_modules && Gem::Specification.respond_to?(:map)
    options[:modules] ||= Hash[Gem::Specification.map {|spec| [spec.name, spec.version.to_s]}]
  end
  @modules = options[:modules]

  block.call(self) if block

  # Some type coercion
  @timestamp = @timestamp.strftime('%Y-%m-%dT%H:%M:%S') if @timestamp.is_a?(Time)
  @level = LOG_LEVELS[@level.to_s.downcase] if @level.is_a?(String) || @level.is_a?(Symbol)

  # Basic sanity checking
  raise Error.new('A message is required for all events') unless @message && !@message.empty?
  raise Error.new('A timestamp is required for all events') unless @timestamp
end

Instance Attribute Details

#culprit ⇒ Object

Returns the value of attribute culprit.



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# File 'lib/raven/event.rb', line 25

def culprit
  @culprit
end

#extra ⇒ Object

Returns the value of attribute extra.



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# File 'lib/raven/event.rb', line 25

def extra
  @extra
end

#id ⇒ Object (readonly)

Returns the value of attribute id.



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# File 'lib/raven/event.rb', line 23

def id
  @id
end

#level ⇒ Object

Returns the value of attribute level.



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# File 'lib/raven/event.rb', line 24

def level
  @level
end

#logger ⇒ Object

Returns the value of attribute logger.



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# File 'lib/raven/event.rb', line 25

def logger
  @logger
end

#message ⇒ Object

Returns the value of attribute message.



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# File 'lib/raven/event.rb', line 24

def message
  @message
end

#modules ⇒ Object

Returns the value of attribute modules.



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# File 'lib/raven/event.rb', line 25

def modules
  @modules
end

#project ⇒ Object

Returns the value of attribute project.



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# File 'lib/raven/event.rb', line 24

def project
  @project
end

#server_name ⇒ Object

Returns the value of attribute server_name.



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# File 'lib/raven/event.rb', line 25

def server_name
  @server_name
end

#tags ⇒ Object

Returns the value of attribute tags.



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# File 'lib/raven/event.rb', line 25

def tags
  @tags
end

#timestamp ⇒ Object

Returns the value of attribute timestamp.



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# File 'lib/raven/event.rb', line 24

def timestamp
  @timestamp
end

Class Method Details

._source_lines(path, from, to) ⇒ Object

Because linecache can go to hell



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# File 'lib/raven/event.rb', line 157

def self._source_lines(path, from, to)
end

.capture_exception(exc, options = {}, &block) ⇒ Object Also known as: captureException 



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# File 'lib/raven/event.rb', line 97

def self.capture_exception(exc, options={}, &block)
  configuration = options[:configuration] || Raven.configuration
  if exc.is_a?(Raven::Error)
    # Try to prevent error reporting loops
    Raven.logger.info "Refusing to capture Raven error: #{exc.inspect}"
    return nil
  end
  if configuration[:excluded_exceptions].any? { |x| x === exc || x == exc.class.name }
    Raven.logger.info "User excluded error: #{exc.inspect}"
    return nil
  end

  context_lines = configuration[:context_lines]

  new(options) do |evt|
    evt.message = "#{exc.class.to_s}: #{exc.message}"
    evt.level = options[:level] || :error
    evt.parse_exception(exc)
    if (exc.backtrace)
      evt.interface :stack_trace do |int|
        backtrace = Backtrace.parse(exc.backtrace)
        int.frames = backtrace.lines.reverse.map do |line|
          int.frame do |frame|
            frame.abs_path = line.file
            frame.function = line.method
            frame.lineno = line.number
            frame.in_app = line.in_app
            if context_lines
              frame.pre_context, frame.context_line, frame.post_context = \
                evt.get_context(frame.abs_path, frame.lineno, context_lines)
            end
          end
        end
        evt.culprit = evt.get_culprit(int.frames)
      end
    end
    block.call(evt) if block
  end
end

.capture_message(message, options = {}) ⇒ Object Also known as: captureMessage 



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# File 'lib/raven/event.rb', line 146

def self.capture_message(message, options={})
  new(options) do |evt|
    evt.message = message
    evt.level = options[:level] || :error
    evt.interface :message do |int|
      int.message = message
    end
  end
end

.capture_rack_exception(exc, rack_env, options = {}, &block) ⇒ Object 



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# File 'lib/raven/event.rb', line 137

def self.capture_rack_exception(exc, rack_env, options={}, &block)
  capture_exception(exc, options) do |evt|
    evt.interface :http do |int|
      int.from_rack(rack_env)
    end
    block.call(evt) if block
  end
end

Instance Method Details

#[](key) ⇒ Object 



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# File 'lib/raven/event.rb', line 69

def [](key)
  interface(key)
end

#[]=(key, value) ⇒ Object 



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# File 'lib/raven/event.rb', line 73

def []=(key, value)
  interface(key, value)
end

#get_context(filename, lineno, context) ⇒ Object 



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# File 'lib/raven/event.rb', line 160

def get_context(filename, lineno, context)
  lines = (2 * context + 1).times.map do |i|
    Raven::LineCache::getline(filename, lineno - context + i)
  end
  [lines[0..(context-1)], lines[context], lines[(context+1)..-1]]
end

#get_culprit(frames) ⇒ Object 



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# File 'lib/raven/event.rb', line 167

def get_culprit(frames)
  lastframe = frames[-1]
  "#{lastframe.filename} in #{lastframe.function}" if lastframe
end

#interface(name, value = nil, &block) ⇒ Object

Raises:



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# File 'lib/raven/event.rb', line 62

def interface(name, value=nil, &block)
  int = Raven::find_interface(name)
  raise Error.new("Unknown interface: #{name}") unless int
  @interfaces[int.name] = int.new(value, &block) if value || block
  @interfaces[int.name]
end

#parse_exception(exception) ⇒ Object 



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# File 'lib/raven/event.rb', line 172

def parse_exception(exception)
  interface(:exception) do |int|
    int.type = exception.class.to_s
    int.value = exception.message
    int.module = exception.class.to_s.split('::')[0...-1].join('::')
  end
end

#to_hash ⇒ Object 



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# File 'lib/raven/event.rb', line 77

def to_hash
  data = {
    'event_id' => self.id,
    'message' => self.message,
    'timestamp' => self.timestamp,
    'level' => self.level,
    'project' => self.project,
    'logger' => self.logger,
  }
  data['culprit'] = self.culprit if self.culprit
  data['server_name'] = self.server_name if self.server_name
  data['modules'] = self.modules if self.modules
  data['extra'] = self.extra if self.extra
  data['tags'] = self.tags if self.tags
  @interfaces.each_pair do |name, int_data|
    data[name] = int_data.to_hash
  end
  data
end