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[fabbione/kronosnet] 45a612: [sctp] Allow internal IPC to operate under RX pres...
by GitHub 02 Feb '17

02 Feb '17

Branch: refs/heads/master Home: https://github.com/fabbione/kronosnet Commit: 45a6124bfc71d99f74b6810ec8b45cdfa8118d03 https://github.com/fabbione/kronosnet/commit/45a6124bfc71d99f74b6810ec8b45c… Author: Fabio M. Di Nitto <fdinitto(a)redhat.com> Date: 2017-02-02 (Thu, 02 Feb 2017) Changed paths: M libknet/transport_sctp.c Log Message: ----------- [sctp] Allow internal IPC to operate under RX pressure Signed-off-by: Fabio M. Di Nitto <fdinitto(a)redhat.com> Commit: f0a4bb6e1d7449d0686ef401a180fa9f113ac6c0 https://github.com/fabbione/kronosnet/commit/f0a4bb6e1d7449d0686ef401a180fa… Author: Fabio M. Di Nitto <fdinitto(a)redhat.com> Date: 2017-02-02 (Thu, 02 Feb 2017) Changed paths: M TODO M libknet/handle.c M libknet/host.c M libknet/host.h M libknet/internals.h M libknet/link.c M libknet/onwire.h M libknet/threads_heartbeat.c M libknet/threads_heartbeat.h M libknet/threads_send_recv.c Log Message: ----------- [send/recv] Unify and simplify usage of seq_num in packets IMPORTANT: this commit changes onwire protocol in an incompatible way! - remove the concet of bcast and mcast seq num and use one tx_seq_num - stop using LINK_UP_DOWN messages to broadcast node seq num and transfer this data inside heartbeat messages - LINK_UP_DOWN messages are currently unused but let's keep the infrastructure around for future - minor cleanup in host_set_policy to confirm change of switching policy in the logs - _link_updown should use async call to host dstcache update due to locking context - switch knet_link_set_enable to use write locking context since the only reason it was read lock, was due to the need to send LINK_UP_DOWN messages - knet_link_set_priority can now use dstcache in sync mode - add seq_num and heartbeat type (timed/untimed) data to heartbeat messages. timed messages are generated regularly by hb_thread. untimed messages are generated by the TX thread to sync seq_num on heavy load across all connected node. (see comments in the code) - access to the node seq_num is now mutex locked - abstract ability to send pings from multiple threads - special case seq_num == 0 to detect a node crash and coming back to life before hb_thread can detect the disconnection - forcefully send ping in the TX thread every SEQ_MAX / 8 packets to allow nodes to sync seq_num - optimize TX thread code to prepare the outgoing buffers once vs multiple times. There is still work that can be done here to optimize sending to multiple host, but this change is intrusive enough already as it is - add logic to clear circular buffers when receiving pings Signed-off-by: Fabio M. Di Nitto <fdinitto(a)redhat.com> Compare: https://github.com/fabbione/kronosnet/compare/51de9b3f7c29...f0a4bb6e1d74

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[fabbione/kronosnet] 51de9b: [rpm] disable build of poc code
by GitHub 28 Jan '17

28 Jan '17

Branch: refs/heads/master Home: https://github.com/fabbione/kronosnet Commit: 51de9b3f7c29f6cdedd6474ccc7bad2b15f9c760 https://github.com/fabbione/kronosnet/commit/51de9b3f7c29f6cdedd6474ccc7bad… Author: Fabio M. Di Nitto <fdinitto(a)redhat.com> Date: 2017-01-28 (Sat, 28 Jan 2017) Changed paths: M kronosnet.spec.in Log Message: ----------- [rpm] disable build of poc code Signed-off-by: Fabio M. Di Nitto <fdinitto(a)redhat.com>

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[fabbione/kronosnet] 146678: [compat] Fix FreeBSD defines
by GitHub 27 Jan '17

27 Jan '17

Branch: refs/heads/master Home: https://github.com/fabbione/kronosnet Commit: 1466781018ec184116bdc6506bc4a480d99340eb https://github.com/fabbione/kronosnet/commit/1466781018ec184116bdc6506bc4a4… Author: Christine Caulfield <ccaulfie(a)redhat.com> Date: 2017-01-27 (Fri, 27 Jan 2017) Changed paths: M libknet/compat.h Log Message: ----------- [compat] Fix FreeBSD defines We need to undefine HAVE_RECVMMSG & HAVE_SENDMMSG for it to compile on FreeBSD (not sure how that ever worked before). There is a PR for FreeBSD to fix the recvmmsg bug, but it's not in a released update yet. So with luck we can remove this soon-ish https://github.com/freebsd/freebsd/commit/3fa64907439c00965fb0cbb222a6bf073… Signed-off-by: Christine Caulfield <ccaulfie(a)redhat.com>

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[fabbione/kronosnet] 633c4b: [host] remove completely broken host to host commu...
by GitHub 27 Jan '17

27 Jan '17

Branch: refs/heads/master Home: https://github.com/fabbione/kronosnet Commit: 633c4b28cf79f3c487a2ce42e889b2a04d14e772 https://github.com/fabbione/kronosnet/commit/633c4b28cf79f3c487a2ce42e889b2… Author: Fabio M. Di Nitto <fdinitto(a)redhat.com> Date: 2017-01-27 (Fri, 27 Jan 2017) Changed paths: M libknet/handle.c M libknet/host.c M libknet/internals.h M libknet/threads_send_recv.c Log Message: ----------- [host] remove completely broken host to host communication locking system the original idea was to have a host-to-host (semi-)reliable communication protocol but that just isn't possible without flow control and retransmit IIRC the only side affect of this missing lock is a corner case where: 1) node A totally crashes 2) node A come backs to life, sends it's status info (seq_num information) 3) node B does NOT receive the status info 4) node A starts sending traffic and a few packets might get lost this will be solved when rewriting the TX thread to optimize the seq_num handling Signed-off-by: Fabio M. Di Nitto <fdinitto(a)redhat.com>

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[fabbione/kronosnet] 11b3d8: [send/recv] make sure to unlock dsthost thread und...
by GitHub 27 Jan '17

27 Jan '17

Branch: refs/heads/master Home: https://github.com/fabbione/kronosnet Commit: 11b3d84f640116d9e30e912389e2158fd3273883 https://github.com/fabbione/kronosnet/commit/11b3d84f640116d9e30e912389e215… Author: Fabio M. Di Nitto <fdinitto(a)redhat.com> Date: 2017-01-27 (Fri, 27 Jan 2017) Changed paths: M libknet/threads_send_recv.c Log Message: ----------- [send/recv] make sure to unlock dsthost thread under certain errors Signed-off-by: Fabio M. Di Nitto <fdinitto(a)redhat.com>

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[fabbione/kronosnet] 6a6d33: [transport] make sctp tx error handling more robus...
by GitHub 27 Jan '17

27 Jan '17

Branch: refs/heads/master Home: https://github.com/fabbione/kronosnet Commit: 6a6d337d4310aa1052a7fcff2955d170367c3570 https://github.com/fabbione/kronosnet/commit/6a6d337d4310aa1052a7fcff2955d1… Author: Fabio M. Di Nitto <fdinitto(a)redhat.com> Date: 2017-01-27 (Fri, 27 Jan 2017) Changed paths: M libknet/transport_sctp.c Log Message: ----------- [transport] make sctp tx error handling more robust and avoid spinning on dead sockets Signed-off-by: Fabio M. Di Nitto <fdinitto(a)redhat.com>

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[fabbione/kronosnet] 8e36df: Update TODO
by GitHub 27 Jan '17

27 Jan '17

Branch: refs/heads/master Home: https://github.com/fabbione/kronosnet Commit: 8e36df42d8e8042b209af631ddb499aa3b13e743 https://github.com/fabbione/kronosnet/commit/8e36df42d8e8042b209af631ddb499… Author: Fabio M. Di Nitto <fdinitto(a)redhat.com> Date: 2017-01-27 (Fri, 27 Jan 2017) Changed paths: M TODO Log Message: ----------- Update TODO Signed-off-by: Fabio M. Di Nitto <fdinitto(a)redhat.com>

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[fabbione/kronosnet] 1c75eb: [build] add build option to enable/disable poc cod...
by GitHub 27 Jan '17

27 Jan '17

Branch: refs/heads/master Home: https://github.com/fabbione/kronosnet Commit: 1c75eb1023ae75151e24d5b08c1efbf60ec02d73 https://github.com/fabbione/kronosnet/commit/1c75eb1023ae75151e24d5b08c1efb… Author: Fabio M. Di Nitto <fdinitto(a)redhat.com> Date: 2017-01-27 (Fri, 27 Jan 2017) Changed paths: M Makefile.am M configure.ac Log Message: ----------- [build] add build option to enable/disable poc code Signed-off-by: Fabio M. Di Nitto <fdinitto(a)redhat.com>

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[fabbione/kronosnet] f66ebf: [transport] fix support for dynamic links connecti...
by GitHub 26 Jan '17

26 Jan '17

Branch: refs/heads/master Home: https://github.com/fabbione/kronosnet Commit: f66ebfd6f24bb48fd45448b6bebd232069887d32 https://github.com/fabbione/kronosnet/commit/f66ebfd6f24bb48fd45448b6bebd23… Author: Fabio M. Di Nitto <fdinitto(a)redhat.com> Date: 2017-01-26 (Thu, 26 Jan 2017) Changed paths: M TODO M libknet/internals.h M libknet/threads_send_recv.c M libknet/transport_sctp.c M libknet/transport_udp.c Log Message: ----------- [transport] fix support for dynamic links connections - add internal transport API for handling incoming dynamic connections (both UDP and SCTP) - fix copy/compare address code in RX thread - make sure to reset sockaddr_storage len in iov Signed-off-by: Fabio M. Di Nitto <fdinitto(a)redhat.com>

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[fabbione/kronosnet] 91d2e5: [netutils] cleanup cmpaddr and add cpyaddrport
by GitHub 26 Jan '17

26 Jan '17

Branch: refs/heads/master Home: https://github.com/fabbione/kronosnet Commit: 91d2e5ec198c511179332038601a820d108c17fc https://github.com/fabbione/kronosnet/commit/91d2e5ec198c511179332038601a82… Author: Fabio M. Di Nitto <fdinitto(a)redhat.com> Date: 2017-01-26 (Thu, 26 Jan 2017) Changed paths: M libknet/netutils.c M libknet/netutils.h Log Message: ----------- [netutils] cleanup cmpaddr and add cpyaddrport cpyaddrport specifically copies _only_ address and port and skip over other fields that are unnecessary for what we need Signed-off-by: Fabio M. Di Nitto <fdinitto(a)redhat.com>

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