DRb Distributed Ruby. Johan Sørensen
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- Tamsin Briggs
- 9 years ago
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Transcription
1 DRb Distributed Ruby Johan Sørensen
2 DRb? Remote Method Invocation ( RMI ) for Ruby Af Masatoshi SEKI Peer to Peer Client, Server Crossplatform (pure ruby) Multiprotocol
3 DRb exempel Object?? Object
4 DRb exempel # Server require "drb" obj = [1, 2, 3, "four", "Five"] uri = "druby:// :6666" DRb.start_service(uri, obj) DRb.thread.join # Client require "drb" DRb.start_service uri = "druby:// :6666" obj = DRbObject.new_with_uri(uri) obj.size #=> 5 obj.last #=> "Five" obj.map{ v v+v } #=> [2, 4, 6, "fourfour", "FiveFive"] Object?? Object
5 DRb Exempel # Server require "drb" # DRb biblioteket obj = [1, 2, 3, "four", "Five"] # Objektet vi kommer att dela över DRb uri = "druby:// :6666" # URI n servern ska lyssna på DRb.start_service(uri, obj) # Start server som lyssnar på +uri+, med +obj+ DRb.thread.join # Vent tills DRb er klar
6 DRb Exempel # Client require "drb" DRb.start_service uri = "druby:// :6666" # Vår server uri obj = DRbObject.new_with_uri(uri) # obj ska vara ett DRbObject ifrån uri obj.size #=> 5 # Vi kan kalla metoder på det andra objektet! obj.last #=> "Five" obj.map{ v v+v } #=> [2, 4, 6, "fourfour", "FiveFive"]
7 DRb? magic??
8 DRb? >> enable_trace # set_trace_func{...} Enabling method tracing with event regex /^(call return)/ and class exclusion regex /IRB Wirble RubyLex RubyToken/ [ return] enable_trace Object (/Users/johan/.irbrc:67) => nil >> obj.size [ call] method_missing DRb::DRbObject (/opt/local/lib/ruby/1.8/drb/drb.rb:1077) [ call] here? DRb (/opt/local/lib/ruby/1.8/drb/drb.rb:1674) [ call] current_server DRb (/opt/local/lib/ruby/1.8/drb/drb.rb:1647) [ return] current_server DRb (/opt/local/lib/ruby/1.8/drb/drb.rb:1648) [ return] here? DRb (/opt/local/lib/ruby/1.8/drb/drb.rb:1676) [ call] with_friend DRb::DRbObject (/opt/local/lib/ruby/1.8/drb/drb.rb:1101) [ call] fetch_server DRb (/opt/local/lib/ruby/1.8/drb/drb.rb:1755) [ return] fetch_server DRb (/opt/local/lib/ruby/1.8/drb/drb.rb:1757) [ call] open DRb::DRbConn (/opt/local/lib/ruby/1.8/drb/drb.rb:1152) [ call] synchronize Mutex (/opt/local/lib/ruby/1.8/thread.rb:132) [ call] lock Mutex (/opt/local/lib/ruby/1.8/thread.rb:97) [ return] lock Mutex (/opt/local/lib/ruby/1.8/thread.rb:98) [ call] unlock Mutex (/opt/local/lib/ruby/1.8/thread.rb:110) [ return] unlock Mutex (/opt/local/lib/ruby/1.8/thread.rb:111) [ return] synchronize Mutex (/opt/local/lib/ruby/1.8/thread.rb:133) [ call] initialize DRb::DRbConn (/opt/local/lib/ruby/1.8/drb/drb.rb:1187) [ call] config DRb (/opt/local/lib/ruby/1.8/drb/drb.rb:1683) [ call] current_server DRb (/opt/local/lib/ruby/1.8/drb/drb.rb:1647) [ return] current_server DRb (/opt/local/lib/ruby/1.8/drb/drb.rb:1648) [ return] config DRb (/opt/local/lib/ruby/1.8/drb/drb.rb:1687) [ call] open DRb::DRbProtocol (/opt/local/lib/ruby/1.8/drb/drb.rb:728) [ call] open DRb::DRbTCPSocket (/opt/local/lib/ruby/1.8/drb/drb.rb:822) [ call] parse_uri DRb::DRbTCPSocket (/opt/local/lib/ruby/1.8/drb/drb.rb:807) [ return] parse_uri DRb::DRbTCPSocket (/opt/local/lib/ruby/1.8/drb/drb.rb:817) [ call] initialize DRb::DRbTCPSocket (/opt/local/lib/ruby/1.8/drb/drb.rb:883) [ call] initialize DRb::DRbMessage (/opt/local/lib/ruby/1.8/drb/drb.rb:549) [ return] initialize DRb::DRbMessage (/opt/local/lib/ruby/1.8/drb/drb.rb:550) [ call] set_sockopt DRb::DRbTCPSocket (/opt/local/lib/ruby/1.8/drb/drb.rb:961) [ return] set_sockopt DRb::DRbTCPSocket (/opt/local/lib/ruby/1.8/drb/drb.rb:962) [ return] initialize DRb::DRbTCPSocket (/opt/local/lib/ruby/1.8/drb/drb.rb:884) [ return] open DRb::DRbTCPSocket (/opt/local/lib/ruby/1.8/drb/drb.rb:823) [ return] open DRb::DRbProtocol (/opt/local/lib/ruby/1.8/drb/drb.rb:729) [ return] initialize DRb::DRbConn (/opt/local/lib/ruby/1.8/drb/drb.rb:1188) [ call] send_message DRb::DRbConn (/opt/local/lib/ruby/1.8/drb/drb.rb:1193) [ call] send_request DRb::DRbTCPSocket (/opt/local/lib/ruby/1.8/drb/drb.rb:905) [ call] stream DRb::DRbTCPSocket (/opt/local/lib/ruby/1.8/drb/drb.rb:902) >> obj = DRbObject.new_with_uri(uri)
9 DRb? >> enable_trace # set_trace_func{...} Enabling method tracing with event regex /^(call return)/ and class exclusion regex /IRB Wirble RubyLex RubyToken/ [ return] enable_trace Object (/Users/johan/.irbrc:67) => nil >> obj.size [ call] method_missing DRb::DRbObject (/opt/local/lib/ruby/1.8/drb/drb.rb:1077) [ call] here? DRb (/opt/local/lib/ruby/1.8/drb/drb.rb:1674) [ call] current_server DRb (/opt/local/lib/ruby/1.8/drb/drb.rb:1647) [ return] current_server DRb (/opt/local/lib/ruby/1.8/drb/drb.rb:1648) [ return] here? DRb (/opt/local/lib/ruby/1.8/drb/drb.rb:1676) [ call] with_friend DRb::DRbObject (/opt/local/lib/ruby/1.8/drb/drb.rb:1101) [ call] fetch_server DRb (/opt/local/lib/ruby/1.8/drb/drb.rb:1755) [ return] fetch_server DRb (/opt/local/lib/ruby/1.8/drb/drb.rb:1757) [ call] open DRb::DRbConn (/opt/local/lib/ruby/1.8/drb/drb.rb:1152) [ call] synchronize Mutex (/opt/local/lib/ruby/1.8/thread.rb:132) [ call] lock Mutex (/opt/local/lib/ruby/1.8/thread.rb:97) [ return] lock Mutex (/opt/local/lib/ruby/1.8/thread.rb:98) [ call] unlock Mutex (/opt/local/lib/ruby/1.8/thread.rb:110) [ return] unlock Mutex (/opt/local/lib/ruby/1.8/thread.rb:111) [ return] synchronize Mutex (/opt/local/lib/ruby/1.8/thread.rb:133) [ call] initialize DRb::DRbConn (/opt/local/lib/ruby/1.8/drb/drb.rb:1187) [ call] config DRb (/opt/local/lib/ruby/1.8/drb/drb.rb:1683) [ call] current_server DRb (/opt/local/lib/ruby/1.8/drb/drb.rb:1647) [ return] current_server DRb (/opt/local/lib/ruby/1.8/drb/drb.rb:1648) [ return] config DRb (/opt/local/lib/ruby/1.8/drb/drb.rb:1687) [ call] open DRb::DRbProtocol (/opt/local/lib/ruby/1.8/drb/drb.rb:728) [ call] open DRb::DRbTCPSocket (/opt/local/lib/ruby/1.8/drb/drb.rb:822) [ call] parse_uri DRb::DRbTCPSocket (/opt/local/lib/ruby/1.8/drb/drb.rb:807) [ return] parse_uri DRb::DRbTCPSocket (/opt/local/lib/ruby/1.8/drb/drb.rb:817) [ call] initialize DRb::DRbTCPSocket (/opt/local/lib/ruby/1.8/drb/drb.rb:883) [ call] initialize DRb::DRbMessage (/opt/local/lib/ruby/1.8/drb/drb.rb:549) [ return] initialize DRb::DRbMessage (/opt/local/lib/ruby/1.8/drb/drb.rb:550) [ call] set_sockopt DRb::DRbTCPSocket (/opt/local/lib/ruby/1.8/drb/drb.rb:961) [ return] set_sockopt DRb::DRbTCPSocket (/opt/local/lib/ruby/1.8/drb/drb.rb:962) [ return] initialize DRb::DRbTCPSocket (/opt/local/lib/ruby/1.8/drb/drb.rb:884) [ return] open DRb::DRbTCPSocket (/opt/local/lib/ruby/1.8/drb/drb.rb:823) [ return] open DRb::DRbProtocol (/opt/local/lib/ruby/1.8/drb/drb.rb:729) [ return] initialize DRb::DRbConn (/opt/local/lib/ruby/1.8/drb/drb.rb:1188) [ call] send_message DRb::DRbConn (/opt/local/lib/ruby/1.8/drb/drb.rb:1193) [ call] send_request DRb::DRbTCPSocket (/opt/local/lib/ruby/1.8/drb/drb.rb:905) [ call] stream DRb::DRbTCPSocket (/opt/local/lib/ruby/1.8/drb/drb.rb:902) >> obj = DRbObject.new_with_uri(uri)
10 DRb? >> enable_trace # set_trace_func{...} Enabling method tracing with event regex /^(call return)/ and class exclusion regex /IRB Wirble RubyLex RubyToken/ [ return] enable_trace Object (/Users/johan/.irbrc:67) => nil >> obj.size [ call] method_missing DRb::DRbObject (/opt/local/lib/ruby/1.8/drb/drb.rb:1077) [ call] here? DRb (/opt/local/lib/ruby/1.8/drb/drb.rb:1674) [ call] current_server DRb (/opt/local/lib/ruby/1.8/drb/drb.rb:1647) [ return] current_server DRb (/opt/local/lib/ruby/1.8/drb/drb.rb:1648) [ return] here? DRb (/opt/local/lib/ruby/1.8/drb/drb.rb:1676) [ call] with_friend DRb::DRbObject (/opt/local/lib/ruby/1.8/drb/drb.rb:1101) [ call] fetch_server DRb (/opt/local/lib/ruby/1.8/drb/drb.rb:1755) [ return] fetch_server DRb (/opt/local/lib/ruby/1.8/drb/drb.rb:1757) [ call] open DRb::DRbConn (/opt/local/lib/ruby/1.8/drb/drb.rb:1152) [ call] synchronize Mutex (/opt/local/lib/ruby/1.8/thread.rb:132) [ call] lock Mutex (/opt/local/lib/ruby/1.8/thread.rb:97) [ return] lock Mutex (/opt/local/lib/ruby/1.8/thread.rb:98) [ call] unlock Mutex (/opt/local/lib/ruby/1.8/thread.rb:110) [ return] unlock Mutex (/opt/local/lib/ruby/1.8/thread.rb:111) [ return] synchronize Mutex (/opt/local/lib/ruby/1.8/thread.rb:133) [ call] initialize DRb::DRbConn (/opt/local/lib/ruby/1.8/drb/drb.rb:1187) [ call] config DRb (/opt/local/lib/ruby/1.8/drb/drb.rb:1683) [ call] current_server DRb (/opt/local/lib/ruby/1.8/drb/drb.rb:1647) [ return] current_server DRb (/opt/local/lib/ruby/1.8/drb/drb.rb:1648) [ return] config DRb (/opt/local/lib/ruby/1.8/drb/drb.rb:1687) [ call] open DRb::DRbProtocol (/opt/local/lib/ruby/1.8/drb/drb.rb:728) [ call] open DRb::DRbTCPSocket (/opt/local/lib/ruby/1.8/drb/drb.rb:822) [ call] parse_uri DRb::DRbTCPSocket (/opt/local/lib/ruby/1.8/drb/drb.rb:807) [ return] parse_uri DRb::DRbTCPSocket (/opt/local/lib/ruby/1.8/drb/drb.rb:817) [ call] initialize DRb::DRbTCPSocket (/opt/local/lib/ruby/1.8/drb/drb.rb:883) [ call] initialize DRb::DRbMessage (/opt/local/lib/ruby/1.8/drb/drb.rb:549) [ return] initialize DRb::DRbMessage (/opt/local/lib/ruby/1.8/drb/drb.rb:550) [ call] set_sockopt DRb::DRbTCPSocket (/opt/local/lib/ruby/1.8/drb/drb.rb:961) [ return] set_sockopt DRb::DRbTCPSocket (/opt/local/lib/ruby/1.8/drb/drb.rb:962) [ return] initialize DRb::DRbTCPSocket (/opt/local/lib/ruby/1.8/drb/drb.rb:884) [ return] open DRb::DRbTCPSocket (/opt/local/lib/ruby/1.8/drb/drb.rb:823) [ return] open DRb::DRbProtocol (/opt/local/lib/ruby/1.8/drb/drb.rb:729) [ return] initialize DRb::DRbConn (/opt/local/lib/ruby/1.8/drb/drb.rb:1188) [ call] send_message DRb::DRbConn (/opt/local/lib/ruby/1.8/drb/drb.rb:1193) [ call] send_request DRb::DRbTCPSocket (/opt/local/lib/ruby/1.8/drb/drb.rb:905) [ call] stream DRb::DRbTCPSocket (/opt/local/lib/ruby/1.8/drb/drb.rb:902) >> obj = DRbObject.new_with_uri(uri)
11 DRb? >> enable_trace # set_trace_func{...} Enabling method tracing with event regex /^(call return)/ and class exclusion regex /IRB Wirble RubyLex RubyToken/ [ return] enable_trace Object (/Users/johan/.irbrc:67) => nil >> obj.size [ call] method_missing DRb::DRbObject (/opt/local/lib/ruby/1.8/drb/drb.rb:1077) [ call] here? DRb (/opt/local/lib/ruby/1.8/drb/drb.rb:1674) [ call] current_server DRb (/opt/local/lib/ruby/1.8/drb/drb.rb:1647) [ return] current_server DRb (/opt/local/lib/ruby/1.8/drb/drb.rb:1648) [ return] here? DRb (/opt/local/lib/ruby/1.8/drb/drb.rb:1676) [ call] with_friend DRb::DRbObject (/opt/local/lib/ruby/1.8/drb/drb.rb:1101) [ call] fetch_server DRb (/opt/local/lib/ruby/1.8/drb/drb.rb:1755) [ return] fetch_server DRb (/opt/local/lib/ruby/1.8/drb/drb.rb:1757) [ call] open DRb::DRbConn (/opt/local/lib/ruby/1.8/drb/drb.rb:1152) [ call] synchronize Mutex (/opt/local/lib/ruby/1.8/thread.rb:132) [ call] lock Mutex (/opt/local/lib/ruby/1.8/thread.rb:97) [ return] lock Mutex (/opt/local/lib/ruby/1.8/thread.rb:98) [ call] unlock Mutex (/opt/local/lib/ruby/1.8/thread.rb:110) [ return] unlock Mutex (/opt/local/lib/ruby/1.8/thread.rb:111) [ return] synchronize Mutex (/opt/local/lib/ruby/1.8/thread.rb:133) [ call] initialize DRb::DRbConn (/opt/local/lib/ruby/1.8/drb/drb.rb:1187) [ call] config DRb (/opt/local/lib/ruby/1.8/drb/drb.rb:1683) [ call] current_server DRb (/opt/local/lib/ruby/1.8/drb/drb.rb:1647) [ return] current_server DRb (/opt/local/lib/ruby/1.8/drb/drb.rb:1648) [ return] config DRb (/opt/local/lib/ruby/1.8/drb/drb.rb:1687) [ call] open DRb::DRbProtocol (/opt/local/lib/ruby/1.8/drb/drb.rb:728) [ call] open DRb::DRbTCPSocket (/opt/local/lib/ruby/1.8/drb/drb.rb:822) [ call] parse_uri DRb::DRbTCPSocket (/opt/local/lib/ruby/1.8/drb/drb.rb:807) [ return] parse_uri DRb::DRbTCPSocket (/opt/local/lib/ruby/1.8/drb/drb.rb:817) [ call] initialize DRb::DRbTCPSocket (/opt/local/lib/ruby/1.8/drb/drb.rb:883) [ call] initialize DRb::DRbMessage (/opt/local/lib/ruby/1.8/drb/drb.rb:549) [ return] initialize DRb::DRbMessage (/opt/local/lib/ruby/1.8/drb/drb.rb:550) [ call] set_sockopt DRb::DRbTCPSocket (/opt/local/lib/ruby/1.8/drb/drb.rb:961) [ return] set_sockopt DRb::DRbTCPSocket (/opt/local/lib/ruby/1.8/drb/drb.rb:962) [ return] initialize DRb::DRbTCPSocket (/opt/local/lib/ruby/1.8/drb/drb.rb:884) [ return] open DRb::DRbTCPSocket (/opt/local/lib/ruby/1.8/drb/drb.rb:823) [ return] open DRb::DRbProtocol (/opt/local/lib/ruby/1.8/drb/drb.rb:729) [ return] initialize DRb::DRbConn (/opt/local/lib/ruby/1.8/drb/drb.rb:1188) [ call] send_message DRb::DRbConn (/opt/local/lib/ruby/1.8/drb/drb.rb:1193) [ call] send_request DRb::DRbTCPSocket (/opt/local/lib/ruby/1.8/drb/drb.rb:905) [ call] stream DRb::DRbTCPSocket (/opt/local/lib/ruby/1.8/drb/drb.rb:902) >> obj = DRbObject.new_with_uri(uri)
12 DRb? >> enable_trace # set_trace_func{...} Enabling method tracing with event regex /^(call return)/ and class exclusion regex /IRB Wirble RubyLex RubyToken/ [ return] enable_trace Object (/Users/johan/.irbrc:67) => nil >> obj.size [ call] method_missing DRb::DRbObject (/opt/local/lib/ruby/1.8/drb/drb.rb:1077) [ call] here? DRb (/opt/local/lib/ruby/1.8/drb/drb.rb:1674) [ call] current_server DRb (/opt/local/lib/ruby/1.8/drb/drb.rb:1647) [ return] current_server DRb (/opt/local/lib/ruby/1.8/drb/drb.rb:1648) [ return] here? DRb (/opt/local/lib/ruby/1.8/drb/drb.rb:1676) [ call] with_friend DRb::DRbObject (/opt/local/lib/ruby/1.8/drb/drb.rb:1101) [ call] fetch_server DRb (/opt/local/lib/ruby/1.8/drb/drb.rb:1755) [ return] fetch_server DRb (/opt/local/lib/ruby/1.8/drb/drb.rb:1757) [ call] open DRb::DRbConn (/opt/local/lib/ruby/1.8/drb/drb.rb:1152) [ call] synchronize Mutex (/opt/local/lib/ruby/1.8/thread.rb:132) [ call] lock Mutex (/opt/local/lib/ruby/1.8/thread.rb:97) [ return] lock Mutex (/opt/local/lib/ruby/1.8/thread.rb:98) [ call] unlock Mutex (/opt/local/lib/ruby/1.8/thread.rb:110) [ return] unlock Mutex (/opt/local/lib/ruby/1.8/thread.rb:111) [ return] synchronize Mutex (/opt/local/lib/ruby/1.8/thread.rb:133) [ call] initialize DRb::DRbConn (/opt/local/lib/ruby/1.8/drb/drb.rb:1187) [ call] config DRb (/opt/local/lib/ruby/1.8/drb/drb.rb:1683) [ call] current_server DRb (/opt/local/lib/ruby/1.8/drb/drb.rb:1647) [ return] current_server DRb (/opt/local/lib/ruby/1.8/drb/drb.rb:1648) [ return] config DRb (/opt/local/lib/ruby/1.8/drb/drb.rb:1687) [ call] open DRb::DRbProtocol (/opt/local/lib/ruby/1.8/drb/drb.rb:728) [ call] open DRb::DRbTCPSocket (/opt/local/lib/ruby/1.8/drb/drb.rb:822) [ call] parse_uri DRb::DRbTCPSocket (/opt/local/lib/ruby/1.8/drb/drb.rb:807) [ return] parse_uri DRb::DRbTCPSocket (/opt/local/lib/ruby/1.8/drb/drb.rb:817) [ call] initialize DRb::DRbTCPSocket (/opt/local/lib/ruby/1.8/drb/drb.rb:883) [ call] initialize DRb::DRbMessage (/opt/local/lib/ruby/1.8/drb/drb.rb:549) [ return] initialize DRb::DRbMessage (/opt/local/lib/ruby/1.8/drb/drb.rb:550) [ call] set_sockopt DRb::DRbTCPSocket (/opt/local/lib/ruby/1.8/drb/drb.rb:961) [ return] set_sockopt DRb::DRbTCPSocket (/opt/local/lib/ruby/1.8/drb/drb.rb:962) [ return] initialize DRb::DRbTCPSocket (/opt/local/lib/ruby/1.8/drb/drb.rb:884) [ return] open DRb::DRbTCPSocket (/opt/local/lib/ruby/1.8/drb/drb.rb:823) [ return] open DRb::DRbProtocol (/opt/local/lib/ruby/1.8/drb/drb.rb:729) [ return] initialize DRb::DRbConn (/opt/local/lib/ruby/1.8/drb/drb.rb:1188) [ call] send_message DRb::DRbConn (/opt/local/lib/ruby/1.8/drb/drb.rb:1193) [ call] send_request DRb::DRbTCPSocket (/opt/local/lib/ruby/1.8/drb/drb.rb:905) [ call] stream DRb::DRbTCPSocket (/opt/local/lib/ruby/1.8/drb/drb.rb:902) >> obj = DRbObject.new_with_uri(uri)
13 DRb? >> enable_trace # set_trace_func{...} Enabling method tracing with event regex /^(call return)/ and class exclusion regex /IRB Wirble RubyLex RubyToken/ [ return] enable_trace Object (/Users/johan/.irbrc:67) => nil >> obj.size [ call] method_missing DRb::DRbObject (/opt/local/lib/ruby/1.8/drb/drb.rb:1077) [ call] here? DRb (/opt/local/lib/ruby/1.8/drb/drb.rb:1674) # ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ # [ call] stream DRb::DRbTCPSocket (/opt/local/lib/ruby/1.8/drb/drb.rb:902) [ return] stream DRb::DRbTCPSocket (/opt/local/lib/ruby/1.8/drb/drb.rb:902) [ call] send_request DRb::DRbMessage (/opt/local/lib/ruby/1.8/drb/drb.rb:597) [ call] drbref DRb::DRbObject (/opt/local/lib/ruby/1.8/drb/drb.rb:1058) [ return] drbref DRb::DRbObject (/opt/local/lib/ruby/1.8/drb/drb.rb:1060) [ call] dump DRb::DRbMessage (/opt/local/lib/ruby/1.8/drb/drb.rb:554) [ return] dump DRb::DRbMessage (/opt/local/lib/ruby/1.8/drb/drb.rb:555) [ call] dump DRb::DRbMessage (/opt/local/lib/ruby/1.8/drb/drb.rb:554) [ return] dump DRb::DRbMessage (/opt/local/lib/ruby/1.8/drb/drb.rb:555) [ call] dump DRb::DRbMessage (/opt/local/lib/ruby/1.8/drb/drb.rb:554) [ return] dump DRb::DRbMessage (/opt/local/lib/ruby/1.8/drb/drb.rb:555) [ call] dump DRb::DRbMessage (/opt/local/lib/ruby/1.8/drb/drb.rb:554) [ return] dump DRb::DRbMessage (/opt/local/lib/ruby/1.8/drb/drb.rb:555) [ return] send_request DRb::DRbMessage (/opt/local/lib/ruby/1.8/drb/drb.rb:609) [ return] send_request DRb::DRbTCPSocket (/opt/local/lib/ruby/1.8/drb/drb.rb:907) [ call] recv_reply DRb::DRbTCPSocket (/opt/local/lib/ruby/1.8/drb/drb.rb:920) [ call] stream DRb::DRbTCPSocket (/opt/local/lib/ruby/1.8/drb/drb.rb:902) [ return] stream DRb::DRbTCPSocket (/opt/local/lib/ruby/1.8/drb/drb.rb:902) [ call] recv_reply DRb::DRbMessage (/opt/local/lib/ruby/1.8/drb/drb.rb:631) [ call] load DRb::DRbMessage (/opt/local/lib/ruby/1.8/drb/drb.rb:564) [ call] exclusive Thread (/opt/local/lib/ruby/1.8/thread.rb:29) [ return] exclusive Thread (/opt/local/lib/ruby/1.8/thread.rb:30) [ return] load DRb::DRbMessage (/opt/local/lib/ruby/1.8/drb/drb.rb:565) [ call] load DRb::DRbMessage (/opt/local/lib/ruby/1.8/drb/drb.rb:564) [ call] exclusive Thread (/opt/local/lib/ruby/1.8/thread.rb:29) [ return] exclusive Thread (/opt/local/lib/ruby/1.8/thread.rb:30) [ return] load DRb::DRbMessage (/opt/local/lib/ruby/1.8/drb/drb.rb:565) [ return] recv_reply DRb::DRbMessage (/opt/local/lib/ruby/1.8/drb/drb.rb:632) [ return] recv_reply DRb::DRbTCPSocket (/opt/local/lib/ruby/1.8/drb/drb.rb:922) [ return] send_message DRb::DRbConn (/opt/local/lib/ruby/1.8/drb/drb.rb:1194) [ call] synchronize Mutex (/opt/local/lib/ruby/1.8/thread.rb:132) [ call] lock Mutex (/opt/local/lib/ruby/1.8/thread.rb:97) [ return] lock Mutex (/opt/local/lib/ruby/1.8/thread.rb:98) >> obj = DRbObject.new_with_uri(uri)
14 DRb? >> obj = DRbObject.new_with_uri(uri) >> enable_trace # set_trace_func{...} class DRbMessage Enabling method tracing with event regex /^(call return)/ and class exclusion regex /IRB Wirble RubyLex RubyToken/ def dump(obj) [ return] enable_trace Object (/Users/johan/.irbrc:67) obj = DRbObject.new(obj) if obj.kind_of? DRbUndumped => nil begin >> obj.size str = Marshal::dump(obj) [ call] method_missing DRb::DRbObject (/opt/local/lib/ruby/1.8/drb/drb.rb:1077) rescue [ call] here? DRb (/opt/local/lib/ruby/1.8/drb/drb.rb:1674) str = Marshal::dump(DRbObject.new(obj)) # ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ # end [ call] stream DRb::DRbTCPSocket (/opt/local/lib/ruby/1.8/drb/drb.rb:902) [str.size].pack('n') + str [ return] stream DRb::DRbTCPSocket (/opt/local/lib/ruby/1.8/drb/drb.rb:902) end [ call] send_request DRb::DRbMessage (/opt/local/lib/ruby/1.8/drb/drb.rb:597) [ call] drbref DRb::DRbObject (/opt/local/lib/ruby/1.8/drb/drb.rb:1058) [ return] drbref DRb::DRbObject (/opt/local/lib/ruby/1.8/drb/drb.rb:1060) [ call] dump DRb::DRbMessage (/opt/local/lib/ruby/1.8/drb/drb.rb:554) [ return] dump DRb::DRbMessage (/opt/local/lib/ruby/1.8/drb/drb.rb:555) [ call] dump DRb::DRbMessage (/opt/local/lib/ruby/1.8/drb/drb.rb:554) [ return] dump DRb::DRbMessage (/opt/local/lib/ruby/1.8/drb/drb.rb:555) [ call] dump DRb::DRbMessage (/opt/local/lib/ruby/1.8/drb/drb.rb:554) [ return] dump DRb::DRbMessage (/opt/local/lib/ruby/1.8/drb/drb.rb:555) [ call] dump DRb::DRbMessage (/opt/local/lib/ruby/1.8/drb/drb.rb:554) [ return] dump DRb::DRbMessage (/opt/local/lib/ruby/1.8/drb/drb.rb:555) [ return] send_request DRb::DRbMessage (/opt/local/lib/ruby/1.8/drb/drb.rb:609) [ return] send_request DRb::DRbTCPSocket (/opt/local/lib/ruby/1.8/drb/drb.rb:907) [ call] recv_reply DRb::DRbTCPSocket (/opt/local/lib/ruby/1.8/drb/drb.rb:920) [ call] stream DRb::DRbTCPSocket (/opt/local/lib/ruby/1.8/drb/drb.rb:902) [ return] stream DRb::DRbTCPSocket (/opt/local/lib/ruby/1.8/drb/drb.rb:902) [ call] recv_reply DRb::DRbMessage (/opt/local/lib/ruby/1.8/drb/drb.rb:631) [ call] load DRb::DRbMessage (/opt/local/lib/ruby/1.8/drb/drb.rb:564) [ call] exclusive Thread (/opt/local/lib/ruby/1.8/thread.rb:29) [ return] exclusive Thread (/opt/local/lib/ruby/1.8/thread.rb:30) [ return] load DRb::DRbMessage (/opt/local/lib/ruby/1.8/drb/drb.rb:565) [ call] load DRb::DRbMessage (/opt/local/lib/ruby/1.8/drb/drb.rb:564) [ call] exclusive Thread (/opt/local/lib/ruby/1.8/thread.rb:29) [ return] exclusive Thread (/opt/local/lib/ruby/1.8/thread.rb:30) [ return] load DRb::DRbMessage (/opt/local/lib/ruby/1.8/drb/drb.rb:565) [ return] recv_reply DRb::DRbMessage (/opt/local/lib/ruby/1.8/drb/drb.rb:632) [ return] recv_reply DRb::DRbTCPSocket (/opt/local/lib/ruby/1.8/drb/drb.rb:922) [ return] send_message DRb::DRbConn (/opt/local/lib/ruby/1.8/drb/drb.rb:1194) [ call] synchronize Mutex (/opt/local/lib/ruby/1.8/thread.rb:132) [ call] lock Mutex (/opt/local/lib/ruby/1.8/thread.rb:97) [ return] lock Mutex (/opt/local/lib/ruby/1.8/thread.rb:98)
15 (Marshal crash course) >> class Foo; def = x; end; end => nil >> f = Foo.new("a value") => value"> >> dump = Marshal::dump(f) => "\004\bo:\bFoo\006:\a@x\"\fa value" >> f = nil => nil >> g = Marshal::load(dump) => value"> >> g => value">
16 DRb? >> enable_trace # set_trace_func{...} Enabling method tracing with event regex /^(call return)/ and class exclusion regex /IRB Wirble RubyLex RubyToken/ [ return] enable_trace Object (/Users/johan/.irbrc:67) => nil >> obj.size [ call] method_missing DRb::DRbObject (/opt/local/lib/ruby/1.8/drb/drb.rb:1077) [ call] here? DRb (/opt/local/lib/ruby/1.8/drb/drb.rb:1674) # ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ # [ call] stream DRb::DRbTCPSocket (/opt/local/lib/ruby/1.8/drb/drb.rb:902) [ return] stream DRb::DRbTCPSocket (/opt/local/lib/ruby/1.8/drb/drb.rb:902) [ call] send_request DRb::DRbMessage (/opt/local/lib/ruby/1.8/drb/drb.rb:597) [ call] drbref DRb::DRbObject (/opt/local/lib/ruby/1.8/drb/drb.rb:1058) [ return] drbref DRb::DRbObject (/opt/local/lib/ruby/1.8/drb/drb.rb:1060) [ call] dump DRb::DRbMessage (/opt/local/lib/ruby/1.8/drb/drb.rb:554) [ return] dump DRb::DRbMessage (/opt/local/lib/ruby/1.8/drb/drb.rb:555) [ call] dump DRb::DRbMessage (/opt/local/lib/ruby/1.8/drb/drb.rb:554) [ return] dump DRb::DRbMessage (/opt/local/lib/ruby/1.8/drb/drb.rb:555) [ call] dump DRb::DRbMessage (/opt/local/lib/ruby/1.8/drb/drb.rb:554) [ return] dump DRb::DRbMessage (/opt/local/lib/ruby/1.8/drb/drb.rb:555) [ call] dump DRb::DRbMessage (/opt/local/lib/ruby/1.8/drb/drb.rb:554) [ return] dump DRb::DRbMessage (/opt/local/lib/ruby/1.8/drb/drb.rb:555) [ return] send_request DRb::DRbMessage (/opt/local/lib/ruby/1.8/drb/drb.rb:609) [ return] send_request DRb::DRbTCPSocket (/opt/local/lib/ruby/1.8/drb/drb.rb:907) [ call] recv_reply DRb::DRbTCPSocket (/opt/local/lib/ruby/1.8/drb/drb.rb:920) [ call] stream DRb::DRbTCPSocket (/opt/local/lib/ruby/1.8/drb/drb.rb:902) [ return] stream DRb::DRbTCPSocket (/opt/local/lib/ruby/1.8/drb/drb.rb:902) [ call] recv_reply DRb::DRbMessage (/opt/local/lib/ruby/1.8/drb/drb.rb:631) [ call] load DRb::DRbMessage (/opt/local/lib/ruby/1.8/drb/drb.rb:564) [ call] exclusive Thread (/opt/local/lib/ruby/1.8/thread.rb:29) [ return] exclusive Thread (/opt/local/lib/ruby/1.8/thread.rb:30) [ return] load DRb::DRbMessage (/opt/local/lib/ruby/1.8/drb/drb.rb:565) [ call] load DRb::DRbMessage (/opt/local/lib/ruby/1.8/drb/drb.rb:564) [ call] exclusive Thread (/opt/local/lib/ruby/1.8/thread.rb:29) [ return] exclusive Thread (/opt/local/lib/ruby/1.8/thread.rb:30) [ return] load DRb::DRbMessage (/opt/local/lib/ruby/1.8/drb/drb.rb:565) [ return] recv_reply DRb::DRbMessage (/opt/local/lib/ruby/1.8/drb/drb.rb:632) [ return] recv_reply DRb::DRbTCPSocket (/opt/local/lib/ruby/1.8/drb/drb.rb:922) [ return] send_message DRb::DRbConn (/opt/local/lib/ruby/1.8/drb/drb.rb:1194) [ call] synchronize Mutex (/opt/local/lib/ruby/1.8/thread.rb:132) [ call] lock Mutex (/opt/local/lib/ruby/1.8/thread.rb:97) [ return] lock Mutex (/opt/local/lib/ruby/1.8/thread.rb:98) >> obj = DRbObject.new_with_uri(uri)
17 DRb Exempel Redux # Client require "drb" #... DRb.start_service # Initiera DRb uri = "druby:// :6666" # Server URI att connecta till obj = DRbObject.new_with_uri(uri) # Nytt DRbObject ifrån uri obj.size #=> 5 # Vår Array finns tillgänglig över DRb! obj.last #=> "Five" obj.map{ v v+v } #=> [2, 4, 6, "fourfour", "FiveFive"]
18 Remote Method Invocation Client Marshal method arguments Send message to server Reference, method name, arguments Server Receive message Unmarshal arguments Find local object from reference Invoke method with arguments
19 DRbUndumped Utan DRbUndumped Pass by value Måste dela kod Med DRbUndumped included Pass by reference (ingen Marshalling) Måste inte dela kod require "drb" class Foo include DRbUndumped #... end obj = [1,2,3] obj.extend DRb::DRbUndumped
20 Varför bruke DRbUndumped? Stora objekt Singleton objekt kan brukes Mindre/ tunna klienter Inget behov av att hålla klassar i synk
21 Sockets TCP Sockets ( druby:// :6661 ) Unix socket ( drbunix:///tmp/foo.sock ) SSL socket ( drbssl:// : pem cert)
22 DRb sikkerhet Går ikke helt ACL Ruby s $SAFE level default_load_limit SSL Firewall, user permissions
23 ACL Exempel require "drb" require "drb/acl" acl = ACL.new %w[ deny all allow ] DRb.install_acl(acl) DRb.start_service # blabla..
24 DRb med Rails Enkelt! Bra att få tunga ting ut ifrån Rails Backgroundrb
25 Backgroundrb BackgrounDRb is a ruby job server and scheduler. It main intent is to be used with Ruby on Rails applications for offloading long running tasks. Since a rails application blocks while servicing a request it is best to move long running tasks off into a background process that is divorced from the http request/ response cycle. Rails plugin, queue+workers baserat SomeWorkerClass#do_work
26 Bingo! Disk in the sky
27 Bingo! En frontend app ( X antal bingo nodes (diskservrar), tex johan.bingodisk.com, som kontaktas via DRb
28 Bingo! # Pseudo code* # The rails = class Server < ActiveRecord::Base def setup_customer! node_system = Bingo::Node.new(Conf.node_config) node_system.setup_on_node(self, self.customer) end end # node daemon (a DRb server) class Bingo::Node def initialize(config) # Hook up DRbconnection etc # from config values end def setup_on_node(server, customer) # create ZFS filesystem # config something #... end end [* actual production code is quite different, but follows the same overall concept]
29 Bingo! Deux Varje node måste parsa en stor loggfil ca. 150 gångar om dagen Ruby fint* * Men treegt Green threads, inte äkta threads Distribuera workload med DRb!
30 Bingo! Deux Node Hey, do this job whenever Master Job Queue
31 Bingo! Deux Node Hey, do this job whenever Master Job Queue Worker Worker Worker Worker Worker Worker Worker Worker
32 Bingo! Deux Node Hey, do this job whenever Master Job Queue OK, whatever dude, one of these guys can do it Worker Worker Worker Worker Worker Worker Worker Worker
33 Bingo! Deux Med Ruby s Threads Ruby Thread.new{Worker} Thread.new{Worker} Thread.new{Worker} Thread.new{Worker} Thread.new{Worker} Thread.new{Worker} Thread.new{Worker} Thread.new{Worker} CPU1 *zzzz* *zzzz* *zzzz* CPU2 CPU3 CPU4
34 Bingo! Deux Master Job Queue DRb Worker Worker Worker Worker Worker Worker Worker Worker CPU1 CPU2 CPU3 CPU4
35 Bingo! Deux Worker Worker Worker Worker Worker Worker Worker Worker SERVER1 SERVER2 SERVER3 SERVER4
36 Bingo! Deux from future import yagni DATACENTER 1 DATACENTER 2 Worker Worker Worker Worker Worker Worker Worker Worker SERVER1 SERVER2 SERVER3 SERVER4
37 ... Heeeey! Distributed programming (med ruby!)
38 Rinda Ruby s Linda TupleSpace (delat object space) RingServer (zeroconf/bonjour for ruby)
39 Rinda Tuplespaces & RingServer Distribuerat whiteboard En tjänst lägger sig till på whiteboardet, säger vad den har, och whiteboardet vet om dens IP etc En klient frågar efter en tjänst på whiteboardet och får tillbaka dens IP+port klienten blir automagiskt kopplat till tjänsten
40 Rinda::TupleSpace En klient läggar till sina objekt på ett whiteboard och läsa/skriva/ta dom Tuple: [:name, class, (DRb)Object, note ] Brukar === Matchar tuples med Regexp, Class===Class, #value === value ts#read(tmpl), ts#read_all(tmpl), ts#write(), ts#take(tmpl)
41 Rinda::TupleSpace # server.rb require "drb" require "rinda/tuplespace" ts = Rinda::TupleSpace.new # share the ts over DRb DRb.start_service("druby:// :6661", ts) DRb.thread.join # client.rb # adds to the tuplespace require "drb" require "rinda/tuplespace" require "pp" # connect to the tuplespace DRb.start_service tuplespace = Rinda::TupleSpaceProxy.new( DRbObject.new_with_uri("druby:// :6661") ) tuplespace.write([0, "Note", "first ts entry"]) tuplespace.write([1, "Note", "second ts entry"]) tuplespace.write([2, "Note", "third ts entry"]) #client_reader.rb # reads from the tuplespace require "drb" require "rinda/tuplespace" DRb.start_service tuplespace = Rinda::TupleSpaceProxy.new( DRbObject.new_with_uri("druby:// :6661") ) # grab all the notes, matching them against the Range while note = tuplespace.take([nil, nil, /^[^READ]/]) puts note.inspect # write it back into the tuplespace tuplespace.write([note.first, note[1], "READ -- #{note.last}"]) end
42 Rinda::TupleSpace # server.rb require "drb" require "rinda/tuplespace" ts = Rinda::TupleSpace.new # share the ts over DRb DRb.start_service("druby:// :6661", ts) DRb.thread.join # client.rb # adds to the tuplespace require "drb" require "rinda/tuplespace" require "pp" # connect to the tuplespace DRb.start_service tuplespace = Rinda::TupleSpaceProxy.new( DRbObject.new_with_uri("druby:// :6661") ) tuplespace.write([0, "Note", "first ts entry"]) tuplespace.write([1, "Note", "second ts entry"]) tuplespace.write([2, "Note", "third ts entry"]) #client_reader.rb # reads from the tuplespace require "drb" require "rinda/tuplespace" DRb.start_service tuplespace = Rinda::TupleSpaceProxy.new( DRbObject.new_with_uri("druby:// :6661") ) # grab all the notes, matching them against the Range while note = tuplespace.take([nil, nil, /^[^READ]/]) puts note.inspect # write it back into the tuplespace tuplespace.write([note.first, note[1], "READ -- #{note.last}"]) end
43 Rinda::TupleSpace # server.rb require "drb" require "rinda/tuplespace" ts = Rinda::TupleSpace.new # share the ts over DRb DRb.start_service("druby:// :6661", ts) DRb.thread.join # client.rb # adds to the tuplespace require "drb" require "rinda/tuplespace" require "pp" # connect to the tuplespace DRb.start_service tuplespace = Rinda::TupleSpaceProxy.new( DRbObject.new_with_uri("druby:// :6661") ) tuplespace.write([0, "Note", "first ts entry"]) tuplespace.write([1, "Note", "second ts entry"]) tuplespace.write([2, "Note", "third ts entry"]) #client_reader.rb # reads from the tuplespace require "drb" require "rinda/tuplespace" DRb.start_service tuplespace = Rinda::TupleSpaceProxy.new( DRbObject.new_with_uri("druby:// :6661") ) $ ruby client_reader.rb [0, "Note", "first ts entry"] [1, "Note", "second ts entry"] [2, "Note", "third ts entry"] # grab all the notes, matching them against the Range while note = tuplespace.take([nil, nil, /^[^READ]/]) puts note.inspect # write it back into the tuplespace tuplespace.write([note.first, note[1], "READ -- #{note.last}"]) end
44 Rinda::RingServer # rinda_server.rb require "rinda/ring" require "rinda/tuplespace" DRb.start_service # Ett TupleSpace som innehåller namngivna tjänster Rinda::RingServer.new(Rinda::TupleSpace.new) DRb.thread.join # sharing_a_tuplespace.rb require "rinda/ring" require "rinda/tuplespace" DRb.start_service ring_server = Rinda::RingFinger.primary # finds our "primary" RingServer # Dela ut vårat tuplespace # SimpleRenewer är en enkel Renewer some anger hur ofta den ska cheka om tjänsten ever ring_server.write([:name, :TupleSpace, Rinda::TupleSpace.new], 'Tuple Space', Rinda::SimpleRenewer.new) # using_the_tuplespace.rb require "rinda/ring" require "rinda/tuplespace" DRb.start_service ring_server = Rinda::RingFinger.primary # Ask the RingServer for our TupleSpace ts_service = rinda_server.read[:name, :TupleSpace, nil, nil][2] # [2] är vårt DRbObject ts = Rinda::TupleSpaceProxy.new(ts_service) ts.write([:data, rand(100)]) puts "data is #{ts.read([:data,nil].last)}" # => data is 62
45 Starfish gem install starfish MapReduce for Ruby folk dvs. nok till att få jobben gjort
46 Starfish User.find(:all, :conditions => opt_out=0 ).each{ user user.calculate_solution_to_life }
47 Starfish User.find(:all, :conditions => opt_out=0 ).each{ user user.calculate_solution_to_life } # user_solution.rb require 'config/environment' require 'user' server do map_reduce map_reduce.type = User map_reduce.conditions = "opt_out = 0" end client do user user.calculate_solution_to_life end
48 Starfish User.find(:all, :conditions => opt_out=0 ).each{ user user.calculate_solution_to_life } # user_solution.rb require 'config/environment' require 'user' server do map_reduce map_reduce.type = User map_reduce.conditions = "opt_out = 0" end client do user user.calculate_solution_to_life end my_computer$ starfish user_solution.rb my_computer$ starfish user_solution.rb my_computer$ starfish user_solution.rb my_computer$ starfish user_solution.rb bobs_computer$ starfish user_solution.rb moms_old_scrapyard$ starfish user_solution.rb the_mainframe_at_work$ starfish user_solution.rb
49 The End Ruby tarball: drb/samples/
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