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2019-01-18vcl: move forking logic to vlsFlorin Coras1-2/+0
Change-Id: I721542aca139d7908a4f917629856f82cae79962 Signed-off-by: Florin Coras <fcoras@cisco.com>
2019-01-08vcl/ldp: select cleanup/improvementsFlorin Coras1-4/+5
Change-Id: I640e69388f2ab0f66ad60c5165c749f5a5a9f525 Signed-off-by: Florin Coras <fcoras@cisco.com>
2019-01-07vcl/ldp: add locked sessions shim layerFlorin Coras1-2/+4
Moves LDP logic that allows sharing of sessions between multi-process app workers into a separate VCL shim layer. Also refactors LDP to use the new layer. Change-Id: I8198b51eae7d099a8c486e36b29e3a0cb8cee8e9 Signed-off-by: Florin Coras <fcoras@cisco.com>
2019-01-05vcl/session: add api for changing session app workerFlorin Coras1-1/+4
In case of multi process apps, after forking, the parent may decide to close part or all of the sessions it shares with the child. Because the sessions have fifos allocated in the parent's segment manager, they must be moved to the child's segment manager. Change-Id: I85b4c8c8545005724023ee14043647719cef61dd Signed-off-by: Florin Coras <fcoras@cisco.com>
2019-01-04Add TLS support for VCLPing Yu1-2/+19
Ater this patch, vcl_test_client and vcl_test_server can work happily with TLS connection. "-S" is to indicate TLS connection. Change-Id: I761894b0b5929912691625f0fe63604725b55978 Signed-off-by: Ping Yu <ping.yu@intel.com>
2019-01-01vcl/ldp: add write msg function and fine tuningFlorin Coras1-0/+2
Allows app to push data. Additionally, ensure reset/close replies are not sent unless vcl closes the session. Change-Id: Icbbf933cf57b55cfbcc7b802af0f83919a066f65 Signed-off-by: Florin Coras <fcoras@cisco.com>
2018-11-29vcl: basic support for apps that forkFlorin Coras1-0/+1
- intercept fork and register a new worker with vpp - share sessions between parent and forked child - keep binary api state per worker Change-Id: Ib177517d661724fa042bd2d98d18e777056352a2 Signed-off-by: Florin Coras <fcoras@cisco.com>
2018-11-29ldp: basic multiworker supportFlorin Coras1-0/+5
Change-Id: Ia794fa7e15dac02c8607c4cee2f119ad9815c0a8 Signed-off-by: Florin Coras <fcoras@cisco.com>
2018-11-27ldp: sid to fd mapper for apps with multiple workersFlorin Coras1-0/+1
Change-Id: I79585cd6b467b007c3eb9a7668387ff3777de46d Signed-off-by: Florin Coras <fcoras@cisco.com>
2018-11-14vcl/ldp: fix pollFlorin Coras1-1/+1
Change-Id: I8eb5546ff8634d5498d8ce5bbc9407bceb9ae3ef Signed-off-by: Florin Coras <fcoras@cisco.com>
2018-09-22vcl: remove vcl_eventFlorin Coras1-5/+0
Change-Id: I0f805ae47f6e9465070a54d85f164bc74877af01 Signed-off-by: Florin Coras <fcoras@cisco.com>
2018-09-12vcl: add apis that expos fifo as bufferFlorin Coras1-0/+15
Change-Id: I4bd9c9f73499711e04b38d53daa5c917a4285bf5 Signed-off-by: Florin Coras <fcoras@cisco.com>
2018-08-30vcl: add support for multi-worker appsFlorin Coras1-14/+24
Add basic support for app registration of multiple workers. LDP does not work with multi-worker apps. Change-Id: I3fc421a2a591a077b275827463f874b261415a63 Signed-off-by: Florin Coras <fcoras@cisco.com>
2018-08-10vcl: support for eventfd mq signalingFlorin Coras1-11/+13
- support eventfd based mq signaling. Based on configuration, vcl epoll/select can use either condvars or epoll on mq eventfds. - add vcl support for memfd segments - vpp explicitly registers cut-through segments with apps/vcl - if using eventfd, make ldp allow one call to libc_epoll_create. Needed for the message queue epfd - update svm_queue_t to allow blocking calls with eventfd signaling. Change-Id: I064151ac370bbe29bb16c968bf4e3659c8286bea Signed-off-by: Florin Coras <fcoras@cisco.com>
2018-07-27vcl: use events for epoll/select/read/writeFlorin Coras1-0/+1
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>
2018-06-19VCL: refactor async & spinlocksDave Wallace1-75/+5
- Consolidate async code. - Add macros for spinlocks to improve readability. Change-Id: I2e0fd2b82ea76987aaf298a183d816c7d2ee0867 Signed-off-by: Dave Wallace <dwallacelf@gmail.com>
2018-04-12VCL IOEvent external API callbackKeith Burns (alagalah)1-0/+35
Change-Id: I417357b00c43b27872aa3f681335bdc1ef574eca Signed-off-by: Keith Burns (alagalah) <alagalah@gmail.com> Signed-off-by: Dave Wallace <dwallacelf@gmail.com>
2018-03-09VCL API for external callback for listener/connect eventKeith Burns (alagalah)1-0/+41
Change-Id: Ic59355683b581945d10a2df97d9b2deae87a998e Signed-off-by: Keith Burns (alagalah) <alagalah@gmail.com>
2018-02-19VCL: config api prefix using env var.Dave Wallace1-0/+1
- Configure vpp api prefix using VCL_API_PREFIX environment variable. - Prepend api prefix to vpp api filename when connecting to vpp. - Fix stale vcl_cfg ptr after heap allocation. - Cleanup misleading warning messages wrt. reading the vcl config file. Change-Id: I908c9b567ff4f6f0c21ae43a4627a1a3202a3290 Signed-off-by: Dave Wallace <dwallacelf@gmail.com>
2018-02-08VCL: remove vrf from vppcom api.Dave Wallace1-4/+1
Change-Id: I6d91c8051de786fb8781cd0750ea9c350036b306 Signed-off-by: Dave Wallace <dwallacelf@gmail.com>
2018-02-02Clean up for vcl.am, making vppcom.h C++ awareKeith Burns (alagalah)1-0/+13
Change-Id: I2548ebd37e16bed50b5c8046b728415a341413e3 Signed-off-by: Keith Burns (alagalah) <alagalah@gmail.com>
2018-01-17LD_PRELOAD: stateless LDPDave Wallace1-4/+60
- Refactor LDP to be stateless. - Use upper bit of fd to identify tag as VCL session. - Clean up debug output. - Add VCOM config env vars for app name and sid bit. - Add VCL get/set attributes - Add VCL poll implementation. Change-Id: I4603ae88254c460a024fdb79fe91c6d1ef9bc7b9 Signed-off-by: Dave Wallace <dwallacelf@gmail.com>
2017-11-25VCL: improve debug outputDave Wallace1-0/+5
- Refactor debug output to include vpp handle associated with session id where appropriate. - Fix vcom_connect return value on error. - Refactor vcom_socket_epoll_pwait(). - Fix sock_test_server/client connect failure handling. Change-Id: I2649596aa4b8a77d9bd876409a76810cb2785797 Signed-off-by: Dave Wallace <dwallacelf@gmail.com>
2017-11-21VCL: close-on-empty state transition refactoring.Dave Wallace1-0/+5
- Refactor session disconnect/close state transitions. Only remove session state when app calls close(). Add HUP/reset feedback by returning ECONNRESET. - Update debug messages. - Use VCL_LOCK_AND_GET_SESSION macro more extensively Change-Id: I23d372834b901a6726e6d6c1061df73ad967882f Signed-off-by: Dave Wallace <dwallacelf@gmail.com>
2017-11-19VCL-LDPRELOAD: Fix CID179207Dave Wallace1-0/+4
Change-Id: Ia6b9e39d5a2ef064cf71bfe87cb4b4a0648d735d Signed-off-by: Dave Wallace <dwallacelf@gmail.com>
2017-11-14VCL-LDPRELOAD: add sendfile/sendfile64 implementation.Dave Wallace1-2/+2
Change-Id: If0c399269238912456d670432d7e953c9d91b9fb Signed-off-by: Dave Wallace <dwallacelf@gmail.com>
2017-11-10VCL: Fix accept state machine, EPOLLET logic.Dave Wallace1-0/+1
Change-Id: I909b717e5c62e91623483bdbb93d9fe4c14f0be7 Signed-off-by: Dave Wallace <dwallacelf@gmail.com>
2017-11-09VCL: Set debug output level from env varDave Wallace1-0/+1
Change-Id: Ia99047715ed652eca1aea1e4144e407f9608d59e Signed-off-by: Dave Wallace <dwallacelf@gmail.com>
2017-11-02VCL: application proxy configurationDave Wallace1-8/+10
- Add support to configure VCL to set application proxy transport types and app_is_proxy flag via vcl config file or env vars. - Clean up debug output. - Rename session_scope -> app_scope. Change-Id: I6e35f3cdd84daf0112133af8f33acd0152f87ca3 Signed-off-by: Dave Wallace <dwallacelf@gmail.com>
2017-10-26VCL: add session namespace support.Dave Wallace1-4/+8
Change-Id: I04f1b63e66260d99c0dd180b0295a55a9b750df7 Signed-off-by: Dave Wallace <dwallacelf@gmail.com>
2017-10-25VCL/LDPRELOAD: Add support for getsockopt, sendto, and recvfromSteven1-0/+6
Add support for getsockopt, sendto, and recvfrom. Not all options for the system calls are supported yet. Only the options used by curl and wget are supported for now. Change-Id: I2e0ed7349a0273616b3831c201e7c117725ca287 Signed-off-by: Steven <sluong@cisco.com>
2017-10-24VCL-LDPRELOAD: statically link vppcom into libvcl-ldpreload.soDave Wallace1-0/+171
- Move VCL & VCL-LDPRELOAD source into src/vcl - Statically link vppcom into libvcl-ldpreload.so Change-Id: I778300b37e8b06640d9dbc01caf297edf7a6edb7 Signed-off-by: Dave Wallace <dwallacelf@gmail.com>