Class: Sentiero::Stores::Memory

Inherits:
Sentiero::Store show all
Defined in:
lib/sentiero/stores/memory.rb

Defined Under Namespace

Classes: SessionEntry, SessionMeta

Constant Summary

Constants inherited from Sentiero::Store

Sentiero::Store::MAX_METADATA_KEYS, Sentiero::Store::MAX_METADATA_VALUE_SIZE, Sentiero::Store::PROBLEM_TITLE_MAX, Sentiero::Store::VALID_ID, Sentiero::Store::VALID_STATUS

Instance Attribute Summary

Attributes inherited from Sentiero::Store

#limits

Instance Method Summary collapse

Methods included from Sentiero::Store::SessionStore

#each_session_events

Constructor Details

#initialize(limits: nil) ⇒ Memory

Returns a new instance of Memory.



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# File 'lib/sentiero/stores/memory.rb', line 12

def initialize(limits: nil)
  @limits = limits
  @sessions = Concurrent::Map.new
  @problems = Concurrent::Map.new # fingerprint => problem Hash (symbol-keyed)
  @occurrences = Concurrent::Map.new # fingerprint => Concurrent::Array of occurrence Hashes
  @server_events = Concurrent::Array.new
end

Instance Method Details

#clear! ⇒ Object 



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# File 'lib/sentiero/stores/memory.rb', line 267

def clear!
  @sessions.clear
  @problems.clear
  @occurrences.clear
  @server_events.clear
  nil
end

#count_occurrences(problem_id, after: nil) ⇒ Object

Override: count without sorting or duplicating the rows.



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# File 'lib/sentiero/stores/memory.rb', line 203

def count_occurrences(problem_id, after: nil)
  validate_id!(problem_id)
  list = @occurrences[problem_id]
  return 0 unless list
  return list.size unless after

  after_f = after.to_f
  list.to_a.count { |occ| occ["timestamp"].to_f > after_f }
end

#delete_session(session_id) ⇒ Object 



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# File 'lib/sentiero/stores/memory.rb', line 134

def delete_session(session_id)
  validate_id!(session_id)
  @sessions.delete(session_id)

  @occurrences.each_pair do |fp, list|
    list.reject! { |occ| occ["session_id"] == session_id }
  end
  @server_events.reject! { |event| event["session_id"] == session_id }

  nil
end

#delete_window(ref) ⇒ Object 



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# File 'lib/sentiero/stores/memory.rb', line 146

def delete_window(ref)
  validate_window_ref!(ref)
  session_id = ref.session_id
  window_id = ref.window_id
  @sessions.compute(session_id) do |existing|
    next nil unless existing

    existing.windows.delete(window_id)

    if existing.windows.empty?
      nil
    else
      existing
    end
  end
  nil
end

#get_events(ref, after: nil, limit: nil) ⇒ Object 



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# File 'lib/sentiero/stores/memory.rb', line 100

def get_events(ref, after: nil, limit: nil)
  validate_window_ref!(ref)
  session_id = ref.session_id
  window_id = ref.window_id
  entry = @sessions[session_id]
  return [] unless entry

  events = entry.windows[window_id]
  return [] unless events

  result = events.to_a.sort_by { |event| event["timestamp"].to_f }

  if after
    idx = result.index { |event| event["timestamp"].to_f > after.to_f }
    result = idx ? result[idx..] : []
  end

  limit ? result.first(limit) : result
end

#get_occurrences(problem_id, after: nil, limit: nil) ⇒ Object 



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# File 'lib/sentiero/stores/memory.rb', line 192

def get_occurrences(problem_id, after: nil, limit: nil)
  validate_id!(problem_id)
  list = @occurrences[problem_id]
  return [] unless list

  result = list.to_a.sort_by { |occ| occ["timestamp"].to_f }
  result = result.select { |occ| occ["timestamp"].to_f > after.to_f } if after
  limit ? result.first(limit) : result
end

#get_problem(problem_id) ⇒ Object 



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# File 'lib/sentiero/stores/memory.rb', line 187

def get_problem(problem_id)
  validate_id!(problem_id)
  @problems[problem_id]&.dup
end

#get_server_event(event_id) ⇒ Object 



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# File 'lib/sentiero/stores/memory.rb', line 234

def get_server_event(event_id)
  validate_id!(event_id)
  @server_events.find { |e| e["id"] == event_id }&.dup
end

#get_session(session_id) ⇒ Object 



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# File 'lib/sentiero/stores/memory.rb', line 75

def get_session(session_id)
  validate_id!(session_id)
  entry = @sessions[session_id]
  return nil unless entry

  window_data = entry.windows.each_pair.map { |wid, events|
    timestamps = events.filter_map { |event| event[:timestamp] || event["timestamp"] }
    window = {window_id: wid, event_count: events.size}
    window[:first_event_at] = timestamps.min if timestamps.any?
    window[:last_event_at] = timestamps.max if timestamps.any?
    window
  }

  result = {
    session_id: session_id,
    windows: window_data,
    created_at: entry.meta.created_at,
    updated_at: entry.meta.updated_at,
    first_event_at: entry.meta.first_event_at,
    last_event_at: entry.meta.last_event_at
  }
  result[:metadata] = entry.meta.session_metadata if entry.meta.session_metadata
  result
end

#list_problems(project:, limit:, offset: 0, status: nil, sort_by: nil, search: nil, since: nil, until_time: nil) ⇒ Object 



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# File 'lib/sentiero/stores/memory.rb', line 181

def list_problems(project:, limit:, offset: 0, status: nil, sort_by: nil, search: nil, since: nil, until_time: nil)
  filter_and_page_problems(@problems.values, project: project, status: status,
    since: since, until_time: until_time, search: search,
    sort_by: sort_by, offset: offset, limit: limit)
end

#list_server_events(project:, limit:, name: nil, level: nil, session_id: nil, after: nil) ⇒ Object 



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# File 'lib/sentiero/stores/memory.rb', line 239

def list_server_events(project:, limit:, name: nil, level: nil, session_id: nil, after: nil)
  filter_server_events(@server_events.to_a, project: project, name: name, level: level, session_id: session_id, after: after, limit: limit)
end

#list_sessions(limit:, offset: 0, since: nil, until_time: nil, sort_by: nil, search: nil) ⇒ Object 



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# File 'lib/sentiero/stores/memory.rb', line 67

def list_sessions(limit:, offset: 0, since: nil, until_time: nil, sort_by: nil, search: nil)
  pairs = @sessions.each_pair.to_a
  pairs = filter_sessions(pairs, since: since, until_time: until_time, search: search)
  pairs = sort_sessions(pairs, sort_by)
  page = pairs.slice(offset, limit) || []
  page.map { |sid, entry| session_summary(sid, entry) }
end

#occurrences_for_session(session_id, limit: nil) ⇒ Object 



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# File 'lib/sentiero/stores/memory.rb', line 243

def occurrences_for_session(session_id, limit: nil)
  validate_id!(session_id)
  rows_for_session(@occurrences.values.flat_map(&:to_a), session_id, limit: limit)
end

#purge_older_than(seconds) ⇒ Object 



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# File 'lib/sentiero/stores/memory.rb', line 261

def purge_older_than(seconds)
  deleted = super
  purge_error_collections!(@problems, @occurrences, @server_events, Time.now.to_f - seconds)
  deleted
end

#save_events(ref, events) ⇒ Object 



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# File 'lib/sentiero/stores/memory.rb', line 20

def save_events(ref, events)
  validate_window_ref!(ref)
  session_id = ref.session_id
  window_id = ref.window_id

  return if events.nil? || events.empty?

  now = Time.now.to_f

  event_timestamps = events.filter_map { |event| event["timestamp"]&.to_f }
  batch_min = event_timestamps.min
  batch_max = event_timestamps.max

  @sessions.compute(session_id) do |existing|
    entry = if existing
      event_list = existing.windows.compute_if_absent(window_id) { Concurrent::Array.new }
      event_list.concat(events)

      new_first = batch_min ? [existing.meta.first_event_at, batch_min].compact.min : existing.meta.first_event_at
      new_last = batch_max ? [existing.meta.last_event_at, batch_max].compact.max : existing.meta.last_event_at

      SessionEntry.new(
        meta: existing.meta.with(updated_at: now, first_event_at: new_first, last_event_at: new_last),
        windows: existing.windows
      )
    else
      windows = Concurrent::Map.new
      event_list = Concurrent::Array.new
      event_list.concat(events)
      windows[window_id] = event_list

      SessionEntry.new(
        meta: SessionMeta.new(created_at: now, updated_at: now, first_event_at: batch_min, last_event_at: batch_max, session_metadata: nil),
        windows: windows
      )
    end

    trim_events!(entry)

    entry
  end

  enforce_max_sessions

  nil
end

#save_metadata(session_id, metadata) ⇒ Object 



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# File 'lib/sentiero/stores/memory.rb', line 120

def save_metadata(session_id, metadata)
  validate_id!(session_id)
  return unless metadata.is_a?(Hash) && !metadata.empty?

  validate_metadata!(metadata)

  @sessions.compute(session_id) do |existing|
    next existing unless existing
    merged = (existing.meta.session_metadata || {}).merge(metadata)
    SessionEntry.new(meta: existing.meta.with(session_metadata: merged), windows: existing.windows)
  end
  nil
end

#save_occurrence(occurrence) ⇒ Object 



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# File 'lib/sentiero/stores/memory.rb', line 164

def save_occurrence(occurrence)
  validate_occurrence!(occurrence)
  fp = occurrence["fingerprint"]
  ts = occurrence["timestamp"].to_f

  stored = occurrence.merge("id" => SecureRandom.uuid)
  @occurrences.compute_if_absent(fp) { Concurrent::Array.new } << stored

  @problems.compute(fp) do |existing|
    existing ? touched_problem_attrs(existing, occurrence, ts) : new_problem_attrs(occurrence, ts)
  end

  enforce_max_problems
  save_metadata(occurrence["session_id"], {"has_errors" => true}) if occurrence["session_id"]
  fp
end

#save_server_event(event) ⇒ Object 



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# File 'lib/sentiero/stores/memory.rb', line 227

def save_server_event(event)
  validate_server_event!(event)
  @server_events << event.merge("id" => SecureRandom.uuid)
  enforce_max_server_events
  nil
end

#server_events_for_session(session_id, limit: nil) ⇒ Object 



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# File 'lib/sentiero/stores/memory.rb', line 248

def server_events_for_session(session_id, limit: nil)
  validate_id!(session_id)
  rows_for_session(@server_events.to_a, session_id, limit: limit)
end

#session_ids_for_problem(problem_id, limit: nil) ⇒ Object 



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# File 'lib/sentiero/stores/memory.rb', line 253

def session_ids_for_problem(problem_id, limit: nil)
  validate_id!(problem_id)
  list = @occurrences[problem_id]
  return [] unless list

  latest_session_ids(list.to_a, limit: limit)
end

#update_problem_status(problem_id, status) ⇒ Object 



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# File 'lib/sentiero/stores/memory.rb', line 213

def update_problem_status(problem_id, status)
  validate_id!(problem_id)
  validate_status!(status)
  @problems.compute(problem_id) do |existing|
    next nil unless existing

    existing.merge(
      status: status,
      resolved_at: (status == "resolved") ? Time.now.to_f : nil
    )
  end
  nil
end