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2022-03-22session: use safe realloc for poolsFlorin Coras1-1/+0
Type: improvement Signed-off-by: Florin Coras <fcoras@cisco.com> Change-Id: I313c916d268c4b2b448b93e90bc67da341b803e3
2021-05-19session: cleanup event llist usageFlorin Coras1-2/+2
Type: refactor Signed-off-by: Florin Coras <fcoras@cisco.com> Change-Id: I750c856ac81d951e8c0e62c710e0f35a0c80d6f9
2021-05-10session: use half-open sessions for vc establishmentFlorin Coras1-2/+6
Use half-open sessions to track virtual circuit connection establishment. These sesssions can only be allocated and freed by the thread that allocates half-open connections (main). Consequently, they can only be freed on half-open cleanup notifications from transports. Goal is to simplify state tracking within the session layer but it's also a first step towards allowing builtin apps to track and cleanup outstanding connects. Type: improvement Signed-off-by: Florin Coras <fcoras@cisco.com> Change-Id: I8a535906d13eb7f8966deb82333839de80f8049f
2021-03-26vlib: introduce vlib_get_elog_main()Damjan Marion1-1/+1
Type: improvement Change-Id: I73383eb15186021cd6527d112da8443a0082f129 Signed-off-by: Damjan Marion <damarion@cisco.com>
2020-12-24svm: split fifo into private and shared structsFlorin Coras1-2/+2
Type: improvement Signed-off-by: Florin Coras <fcoras@cisco.com> Change-Id: Id8e77e8b2623be719fd43a95e181eaa5b7df2b6e
2020-12-14misc: move to new pool_foreach macrosDamjan Marion1-6/+6
Type: refactor Change-Id: Ie67dc579e88132ddb1ee4a34cb69f96920101772 Signed-off-by: Damjan Marion <damarion@cisco.com>
2020-09-24session tcp udp tls quic: improve cli formattingFlorin Coras1-2/+5
Type: improvement Signed-off-by: Florin Coras <fcoras@cisco.com> Change-Id: Iae5dbb8aaaf82d8e95c2ee8bbbe6844c9dd49f80
2020-04-13session: cleanup debug codeFlorin Coras1-79/+0
Type: refactor Signed-off-by: Florin Coras <fcoras@cisco.com> Change-Id: Ie6c03195019fe18c547b22f4387d7f2b14b71461
2020-04-13session: adding debug eventsSrikanth Akula1-0/+79
Type: feature Enhancing the debugging capability of tcp session layer by measing time spent for various events. This is meant only for debugging purpose Signed-off-by: Srikanth Akula <srakula@cisco.com> Signed-off-by: Florin Coras <fcoras@cisco.com> Change-Id: I9f401881b345bcae5f7d8050338637fd47b3723b Signed-off-by: Srikanth Akula <srakula@cisco.com>
2020-04-01session: fix fifos displayAloys Augustin1-5/+2
This prevents a crash with quic listeners, and enables the display of udp fifo status. Change-Id: Ib9f48818ee3e51a3fa43ad8ab175e8aa7750df8f Type: fix Signed-off-by: Aloys Augustin <aloaugus@cisco.com>
2020-03-25session: api to add new transport typesFlorin Coras1-12/+4
Type: feature Signed-off-by: Florin Coras <fcoras@cisco.com> Change-Id: If4dee6dba1ea942daa921d566b35cdecdda680ee
2020-02-11session: avoid scanning new io list under loadFlorin Coras1-0/+42
Type: fix Signed-off-by: Florin Coras <fcoras@cisco.com> Change-Id: Idaa7cc26ad941be86daec4ed5920727237712f4a
2019-11-20session tcp: add opaque data to show cliFlorin Coras1-2/+3
Type: feature Change-Id: Iac8d4ed4997c4fce802589585e6a9424957152ca Signed-off-by: Florin Coras <fcoras@cisco.com>
2019-11-19session: more show cli outputFlorin Coras1-1/+51
Type: feature Change-Id: I7f64fb1a13d90fa1679ca2ca35206092682f0c8f Signed-off-by: Florin Coras <fcoras@cisco.com>
2019-11-08session: add space around ternary operatorVratko Polak1-0/+0
Type: style Change-Id: If28a4959c1d60ab1caf22dbc8b72d9adf7060bd4 Signed-off-by: Vratko Polak <vrpolak@cisco.com>
2019-11-03session: fix show cli with closed sessionFlorin Coras1-1/+3
Type: fix Change-Id: Ifb6ead644c0273b84a5647f7923053f1db7c5a76 Signed-off-by: Florin Coras <fcoras@cisco.com>
2019-09-10session: fix session filter rangeFlorin Coras1-1/+1
Type:fix Change-Id: I173f45bf3d90e6979675b2ac812a969539f02147 Signed-off-by: Florin Coras <fcoras@cisco.com>
2019-09-04session: improve cliFlorin Coras1-57/+284
Type: feature Allow session cli filtering based on thread index, transport protocol, session state and range of session pool indices. For instance show session thread 1 proto tcp state ready range 0 20 verbose Shows the session ids for the first 20 tcp sessions in thread 1 that are in ready state. To avoid excessive output that could reasult in the worker barrier being held by the main thread for long periods of time, the session cli will only output: - session ids (verbose == 1) for a maximum of 50 sessions / worker - verbose > 1 details for a maximum of 10 sessions Change-Id: I2cfb351b548e2e0a1d5b4345810be613e2917d17 Signed-off-by: Florin Coras <fcoras@cisco.com>
2019-07-25session: add transport deleted stateFlorin Coras1-2/+2
Type: fix Distinguish between closed and deleted states to avoid deleting the session prior to the transport connection. Change-Id: Ia285ce94b26a70773f8c0ce9d2c73095d3e2a337 Signed-off-by: Florin Coras <fcoras@cisco.com>
2019-07-12quic: fix show session verboseAloys Augustin1-1/+2
Proprely display quic connections in show session verbose, and add a small fix for UDPC listeners and UDP sessions formatting. Change-Id: I33f83e77bf357347623d87ad23c483aba60a9bb2 Signed-off-by: Aloys Augustin <aloaugus@cisco.com> Type: feature
2019-07-12session: add thread index to all formattersAloys Augustin1-2/+2
Add a thread_index argument to half-open and listener session formatters because QUIC can have listeners and half-open sessions in any thread. Change-Id: I1de60e35ece4c68ba8cfdd6b63f211bc620d687b Signed-off-by: Aloys Augustin <aloaugus@cisco.com> Type: feature
2019-04-03session: fix cli for sessions in created stateFlorin Coras1-1/+2
Change-Id: Ie154afdc20000b905ff71e39823154db4d23eea4 Signed-off-by: Florin Coras <fcoras@cisco.com>
2019-04-02session: use app cb function wrappersFlorin Coras1-2/+1
Change-Id: I77ad9eb4d4c7699397aa4be6a973ef37c60db4c5 Signed-off-by: Florin Coras <fcoras@cisco.com>
2019-03-02session: cleanup/rename functionsFlorin Coras1-11/+11
- remove unused functions - rename old "stream" functions Change-Id: Icbb03daa9f9f1c58b5be5c38aa8a9cbcf9159b47 Signed-off-by: Florin Coras <fcoras@cisco.com>
2019-02-04session: cleanup part 1Florin Coras1-25/+23
Rename core data structures. This will break compatibility for out of tree builtin apps. - stream_session_t to session_t - server_rx/tx_fifo to rx/tx_fifo - stream_session.h to session_types.h - update copyright Change-Id: I414097c6e28bcbea866fbf13b8773c7db3f49325 Signed-off-by: Florin Coras <fcoras@cisco.com>
2019-02-02session: improve show session cliFlorin Coras1-40/+58
Change-Id: If30cea80058752cedcc6ecc38e90bef8732c83d3 Signed-off-by: Florin Coras <fcoras@cisco.com>
2019-01-20session: add support for vrf in session unformat (VPP-1546)Florin Coras1-7/+22
Change-Id: Ic5ba751c2bd2db9af4a21d3db40cc305d1208c30 Signed-off-by: Florin Coras <fcoras@cisco.com>
2018-12-21http server: improvementsFlorin Coras1-2/+2
- use http sessions to track communication with peer (as opposed to using the raw sessions) - for static server send ok message prior to sending data - static server can now handle GET requests spread over multiple packets. Good for testing http/tcp implementation. Change-Id: I767a790de9a42e7087db5ce8eefd8efaf598c695 Signed-off-by: Florin Coras <fcoras@cisco.com>
2018-12-19session: add cli option to dump session elogFlorin Coras1-3/+20
Change-Id: I1f42644f143bb65ee764c0f869b402595126adac Signed-off-by: Florin Coras <fcoras@cisco.com>
2018-11-18vcl/session: apps with process workersFlorin Coras1-4/+6
Allow apps to register child processes as app workers. In particular, on fork vcl now registers the child process with vpp as a new worker. Change-Id: I52a65fbc3292962b1f6e1fe0f6153f739e6e0d4a Signed-off-by: Florin Coras <fcoras@cisco.com>
2018-10-31session: fix sh session cliFlorin Coras1-1/+1
Change-Id: Idbc7b61393c6d0e3b8ea950397a89d21b1cf3a42 Signed-off-by: Florin Coras <fcoras@cisco.com>
2018-10-31session: add wrk contextFlorin Coras1-6/+7
Change-Id: I66ca0ddea872948507d078e405eb90f9f3a0e897 Signed-off-by: Florin Coras <fcoras@cisco.com>
2018-10-25session/tcp: improve cliFlorin Coras1-20/+17
Change-Id: I91c9d040fc9b9b63f7109eeaac334c47fb1226cf Signed-off-by: Florin Coras <fcoras@cisco.com>
2018-10-23c11 safe string handling supportDave Barach1-2/+2
Change-Id: Ied34720ca5a6e6e717eea4e86003e854031b6eab Signed-off-by: Dave Barach <dave@barachs.net>
2018-08-24session: add support for multiple app workersFlorin Coras1-2/+3
Refactor session layer to support multiple workers per application. Change-Id: Ie67354688d396449d14bbbb8c56050206e307cd8 Signed-off-by: Florin Coras <fcoras@cisco.com>
2018-07-27vcl: use events for epoll/select/read/writeFlorin Coras1-2/+4
Have vcl poll and wait on the event message queues as opposed to constantly polling the session fifos. This also adds event signaling to cut through sessions. On the downside, because we can't wait on multiple condvars, i.e., when we have multiple message queues because of cut-through registrations, we do timed waits. Change-Id: I29ade95dba449659fe46008bb1af502276a7c5fd Signed-off-by: Florin Coras <fcoras@cisco.com>
2018-07-17session: send ctrl msg over mqFlorin Coras1-1/+1
Change-Id: I242056bc46ddb671064665916b2687860292dcb2 Signed-off-by: Florin Coras <fcoras@cisco.com>
2018-04-18udp/session: refactor to support dgram modeFlorin Coras1-0/+5
- adds session layer support for datagram based protocols - updates udp to work in pure connectionless and datagram mode. The existing connected mode is now 'accessible' for apps as a dummy UDPC, as in, connected udp, protocol. - updates udp_echo, echo client, echo server code to work in datagram mode. Change-Id: I2960c0d2d246cb166005f545794ec31fe0d546dd Signed-off-by: Florin Coras <fcoras@cisco.com>
2018-04-16session: use generic session pool for listenersFlorin Coras1-16/+13
Change-Id: I825f3822910a6ee368b9004e39ca16ac6833e30c Signed-off-by: Florin Coras <fcoras@cisco.com>
2017-12-11session: generalize handling of network transportsFlorin Coras1-1/+1
- compute session type out of transport and network protos - make session, session lookup and session queue code network protocol agnostic This does not update the session layer to support non-ip network layer protocols Change-Id: Ifc2f92845e158b649d59462eb7d51c12af536691 Signed-off-by: Florin Coras <fcoras@cisco.com>
2017-12-10VPP-1077 Add meaningful error info, when executing command with ↵Swarup Nayak1-1/+1
enable/disable option Change-Id: I47dd6f9637f0214971e3191852d84aa92d64b8c0 Signed-off-by: Swarup Nayak <swarupnpvt@gmail.com>
2017-11-10session: use listener logic for proxy rulesFlorin Coras1-3/+27
This moves session proxy logic from session rules tables to table/logic used to manage session listeners in order to avoid overlap of semantically different rules. Change-Id: I463522cce91b92d942f6a2086fb14c3366b9f023 Signed-off-by: Florin Coras <fcoras@cisco.com>
2017-10-26VCL: add session namespace support.Dave Wallace1-5/+15
Change-Id: I04f1b63e66260d99c0dd180b0295a55a9b750df7 Signed-off-by: Dave Wallace <dwallacelf@gmail.com>
2017-10-16udp: refactor udp codeFlorin Coras1-11/+10
Change-Id: I44d5c9df7c49b8d4d5677c6d319033b2da3e6b80 Signed-off-by: Florin Coras <fcoras@cisco.com>
2017-10-10session: add support for application namespacingFlorin Coras1-20/+16
Applications are now provided the option to select the namespace they are to be attached to and the scope of their attachement. Application namespaces are meant to: 1) constrain the scope of communication through the network by association with source interfaces and/or fib tables that provide the source ips to be used and limit the scope of routing 2) provide a namespace local scope to session layer communication, as opposed to the global scope provided by 1). That is, sessions can be established without assistance from transport and network layers. Albeit, zero/local-host ip addresses must still be provided in session establishment messages due to existing application idiosyncrasies. This mode of communication uses shared-memory fifos (cut-through sessions) exclusively. If applications request no namespace, they are assigned to the default one, which at its turn uses the default fib. Applications can request access to both local and global scopes for a namespace. If no scope is specified, session layer defaults to the global one. When a sw_if_index is provided for a namespace, zero-ip (INADDR_ANY) binds are converted to binds to the requested interface. Change-Id: Ia0f660bbf7eec7f89673f75b4821fc7c3d58e3d1 Signed-off-by: Florin Coras <fcoras@cisco.com>
2017-09-18Fixes for issues Coverity has reported (VPP-972)Chris Luke1-30/+7
177117: fstat() returns -1 on error; the code is checking for any positive value instead 175142: final return could never be reached; simple refactoring 175235,175236: Warning suppressed with an explicit cast to (void) 174817: Final return couldn't be reached; is is_in_order is 0 then 'rv' is already returned above 172095,172093: If is_is_set does not get set to 1, then return 0 has already been invoked 174405: Re-kill this (nothing sets rv) 171136: Looks like a cmd line flag to set test_bytes was missing; added it, and refactored the argc/argv processing to avoid two other potential segv's 176813: Add range checking for term width/height. First stab at a reasonable range is 1-512 for both. 175350: Fix implicit casting in shift operation 174272: Not a c+p error; try using a coverity annotation to ignore it 174273,175320: Annotated FORWARD_NULL Change-Id: I58d0f860fc2209f59f8d1b6b344d631b8d429ace Signed-off-by: Chris Luke <chrisy@flirble.org>
2017-09-01Add fixed-size, preallocated pool supportDave Barach1-2/+2
Simply call pool_init_fixed(...) before using the pool. Note that fixed, preallocated pools live in individually-mmap'ed address segments, except for the free element bitmap. A large fixed pool can exceed 4gb. Fix tcp buffer allocator leak, remove broken assert Change-Id: I4421082e12a77c41c6e20f7747f3150dcd01fc26 Signed-off-by: Dave Barach <dave@barachs.net>
2017-08-29session: segment manager improvementsFlorin Coras1-14/+5
- cleanup connects segment manager even if first - fix segment manager allocation for listen sessions - improve handling of process private segments (mheaps/main heap) - added segment manager cli Change-Id: Ic2ca97c3622ab2286d5fb5772aeb57680e64f769 Signed-off-by: Florin Coras <fcoras@cisco.com> Signed-off-by: Dave Wallace <dwallacelf@gmail.com>
2017-08-16tcp: fix v6 sessionsroot1-1/+1
Change-Id: Ia6dd5e948b17b2f3866fe70838eabb09e35415e1 Signed-off-by: Dave Barach <dbarach@cisco.com> Signed-off-by: Florin Coras <fcoras@cisco.com>
2017-08-02Fix tcp tx buffer allocationFlorin Coras1-1/+1
- Make tcp output buffer allocation macro an inline function - Use per ip version per thread tx frames for retransmits and timer events - Fix / parameterize tcp data structure preallocation - Add a couple of gdb-callable show commands - Fix local endpoint cleanup Change-Id: I67b47b7570aa14cb4634b6fd93c57cd2eacbfa29 Signed-off-by: Florin Coras <fcoras@cisco.com> Signed-off-by: Dave Barach <dave@barachs.net>