Class: LogCourier::ServerTcp
- Inherits:
-
Object
- Object
- LogCourier::ServerTcp
- Defined in:
- lib/log-courier/server_tcp.rb
Overview
TLS transport implementation for server
Instance Attribute Summary collapse
-
#port ⇒ Object
readonly
Returns the value of attribute port.
Instance Method Summary collapse
-
#initialize(options = {}) ⇒ ServerTcp
constructor
Create a new TLS transport endpoint.
-
#run(&block) ⇒ Object
def initialize.
Constructor Details
#initialize(options = {}) ⇒ ServerTcp
Create a new TLS transport endpoint
53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 |
# File 'lib/log-courier/server_tcp.rb', line 53 def initialize( = {}) @options = { logger: nil, transport: 'tls', port: 0, address: '0.0.0.0', ssl_certificate: nil, ssl_key: nil, ssl_key_passphrase: nil, ssl_verify: false, ssl_verify_default_ca: false, ssl_verify_ca: nil, max_packet_size: 10_485_760, add_peer_fields: false, }.merge!() @logger = @options[:logger] if @options[:transport] == 'tls' [:ssl_certificate, :ssl_key].each do |k| fail "input/courier: '#{k}' is required" if @options[k].nil? end if @options[:ssl_verify] and (!@options[:ssl_verify_default_ca] && @options[:ssl_verify_ca].nil?) fail 'input/courier: Either \'ssl_verify_default_ca\' or \'ssl_verify_ca\' must be specified when ssl_verify is true' end end begin @tcp_server = ExtendedTCPServer.new(@options[:address], @options[:port]) # Query the port in case the port number is '0' # TCPServer#addr == [ address_family, port, address, address ] @port = @tcp_server.addr[1] if @options[:transport] == 'tls' ssl = OpenSSL::SSL::SSLContext.new # Disable SSLv2 and SSLv3 # Call set_params first to ensure options attribute is there (hmmmm?) ssl.set_params # Modify the default options to ensure SSLv2 and SSLv3 is disabled # This retains any beneficial options set by default in the current Ruby implementation ssl. |= OpenSSL::SSL::OP_NO_SSLv2 if defined?(OpenSSL::SSL::OP_NO_SSLv2) ssl. |= OpenSSL::SSL::OP_NO_SSLv3 if defined?(OpenSSL::SSL::OP_NO_SSLv3) # Set the certificate file ssl.cert = OpenSSL::X509::Certificate.new(File.read(@options[:ssl_certificate])) ssl.key = OpenSSL::PKey::RSA.new(File.read(@options[:ssl_key]), @options[:ssl_key_passphrase]) if @options[:ssl_verify] cert_store = OpenSSL::X509::Store.new # Load the system default certificate path to the store cert_store.set_default_paths if @options[:ssl_verify_default_ca] if File.directory?(@options[:ssl_verify_ca]) cert_store.add_path(@options[:ssl_verify_ca]) else cert_store.add_file(@options[:ssl_verify_ca]) end ssl.cert_store = cert_store ssl.verify_mode = OpenSSL::SSL::VERIFY_PEER | OpenSSL::SSL::VERIFY_FAIL_IF_NO_PEER_CERT end # Create the OpenSSL server - set start_immediately to false so we can multithread handshake @server = OpenSSL::SSL::SSLServer.new(@tcp_server, ssl) @server.start_immediately = false else @server = @tcp_server end if @options[:port] == 0 @logger.warn 'Ephemeral port allocated', :transport => @options[:transport], :port => @port unless @logger.nil? end rescue => e raise "input/courier: Failed to initialise: #{e}" end end |
Instance Attribute Details
#port ⇒ Object (readonly)
Returns the value of attribute port.
50 51 52 |
# File 'lib/log-courier/server_tcp.rb', line 50 def port @port end |
Instance Method Details
#run(&block) ⇒ Object
def initialize
135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 |
# File 'lib/log-courier/server_tcp.rb', line 135 def run(&block) client_threads = {} loop do # Because start_immediately is false, TCP accept is single thread but # handshake is essentiall multithreaded as we defer it to the thread @tcp_server.reset_peer client = nil begin client = @server.accept rescue EOFError, OpenSSL::SSL::SSLError, IOError => e # Accept failure or other issue @logger.warn 'Connection failed to accept', :error => e., :peer => @tcp_server.peer unless @logger.nil? client.close rescue nil unless client.nil? next end @logger.info 'New connection', :peer => @tcp_server.peer unless @logger.nil? # Clear up finished threads client_threads.delete_if do |_, thr| !thr.alive? end # Start a new connection thread client_threads[client] = Thread.new(client, @tcp_server.peer) do |client_copy, peer_copy| run_thread client_copy, peer_copy, &block end end return rescue ShutdownSignal return rescue StandardError, NativeException => e # Some other unknown problem @logger.warn e, :hint => 'Unknown error, shutting down' unless @logger.nil? return ensure # Raise shutdown in all client threads and join then client_threads.each do |_, thr| thr.raise ShutdownSignal end client_threads.each(&:join) @tcp_server.close end |