## 2019-06-10 CORE 5.3.0 * Enhancements * python 2 / 3 support * added new API using [gRPC](https://grpc.io/) * --grpc --grpc-port --grpc-address flags added to core-daemon * core.api.grpc.client.CoreGrpcClient, provides a convenience wrapper for leveraging the API * Docs * Updates to installation instructions for latest changes * Services * Added FRR service * EMANE * Added EMANE prefix configuration when looking for emane model manifest files * requires configuring **emane_prefix** in /etc/core/core.conf * Cleanup * Refactoring of the core python package structure, trying to help provide better organization and logical groupings * Issues * \#246 - Fixed network to network link handling when reading xml files * \#236 - Fixed storing/reading of link configuration values within xml files * \#170 - FRR Service * \#155 - EMANE path configuration * \#233 - Python 3 support * \#245 - Fixed bidirectional link configurations when reading from xml files * \#208 - gRPC API * Fixed link configuration dup handling when loaded from xml files ## 2019-06-07 CORE 5.2.2 * Enhancements: * adds back in core-daemon udp support for coresendmsg, people may have depended on previously for certain scenarios * Bug Fixes: * fixes issue in GUI that would prevent moving nodes during mobility scenarios ## 2019-03-25 CORE 5.2.1 * Packaging: * documentation no longer builds by default, must use configure flag * added configure flag to allow only building vcmd * sphinx will no long be required when not building documentation * Services: * Added source NAT service * Fixed DHCP service for Ubuntu 18.04 * BUGFIXES: * \#188 - properly remove session on delete TLV API call * \#192 - updated default gnome terminal command for nodes to be Ubuntu 18.04 compatible * \#193 - updates to service validation, will retry on failure and better exception logging * \#195 - TLV link message data fix * \#196 - fix to avoid clearing out default services * \#197 - removed wireless_link_all API from EmuSession * \#216 - updated default WLAN bandwidth to 54Mbps * \#223 - fix to saving RJ45 to session XML files ## 2018-05-22 CORE 5.1 * DAEMON: * removed and cleared out code that is either legacy or no longer supported (Xen, BSD, Kernel patching, RPM/DEB specific files) * default nodes are now set in the node map * moved ns3 and netns directories to the top of the repo * changes to make use of fpm as the tool for building packages * removed usage of logzero to avoid dependency issues for built packages * removed daemon addons directory * added CoreEmu to core.emulator.coreemu to help begin serving as the basis for a more formal API for scripting and creating new external APIs out of * cleaned up logging, moved more logging to DEBUG from INFO, tried to mold INFO message to be more simple and informative * EMANE 1.0.1-1.21 supported * updates to leverage EMANE python bindings for dynamically parsing phy/mac manifest files * example custom EMANE model lives under /usr/share/core/examples/myemane/examplemodel.py * EMANE TDMA model now supports an option to start a TDMA schedule when running * fixed issues with coresendmsg script due to code refactoring * added make target for generating documentation "make doc" * Python 2.7+ is now required * ns3 is no longer bundled by default, but will be produced as a separate package for installation * GUI: * updated broken help links in GUI Help->About * Packaging: * fixed PYTHON_PATH to PYTHONPATH in sysv script * added make command to leverage FPM as the tool for creating deb/rpm packages going forward, there is documentation within README.md to try it out * TEST: * fixed some broken tests * new test cases based on CoreEmu usage * BUGFIXES: * \#142 - duplication of custom services * \#136 - sphinx-apidoc command not found * \#137 - make command fails when using distclean ## 2017-09-01 CORE 5.0 * DEVELOPMENT: * support for editorconfig to help standardize development across IDEs, from the defined configuration file * support for sonarqube analysis, from the defined configuration file * DAEMON: * code cleanup and improvements to adhere to coding standards (SonarQube) * leverage "logzero" module to make easy usage of the standard logging module * improvements to documentation across the code base * initial work to separate the dependence on TCP API messaging from the core library (easier core scripting) * beta support for running core in Open vSwitch mode, leveraging Open vSwitch bridges, instead of Linux bridges * SERVICES: * added Ryu SDN controller service * added Open vSwitch service * TEST: * added unit/integration tests to support validating changes going forward * BUGFIXES: * merged pull requests for: #115, #110, #109, #107, #106, #105, #103, #102, #101, #96 ## 2015-06-05 CORE 4.8 * EMANE: * support for EMANE 0.9.2 * run emane in each container when using EMANE 0.9.2 * support using separate control networks for EMANE OTA and event traffic * GUI: * fixed an issue where the adjacency widget lines pointed to old node positions * fixed an issue where not all EMANE 0.9.x IEEE 802.11 MAC parameter were configurable * fixed an issue related to running python scripts from the GUI when using tcl/tk version 8.6 * improved batch mode execution to display the check emulation light status * improved managing multiple sessions * improved support for using multiple canvases * added a reload option to the file menu to revert back to a saved scenario * DAEMON: * support exporting scenarios in NRL Network Modeling Framework 1.0 XML format * support importing scenarios in NRL Network Modeling Framework 1.0 XML format * support exporting the deployed scenario state in NRL NMF XML 1.0 format * improved EMANE post-startup processing to better synchronize distributed emulations * improved how addresses are assigned to tun/tap devices * added support for python state-change callbacks * SERVICES: * added mgen sink and mgen actor services * added oslrv2 and olsr.org services * added a docker service * BUILD: * improved the install/uninstall process * improved debian and rpm packaging * BUGFIXES: * updated the http service for ubuntu 14.04 * improved included examples * shortened the length of network interface names * improved how the core system service manages running the core daemon * fixed an issues related to applying session configuration setting * improved detecting when a distributed emulation is already running * improved documentation ## 2014-08-06 CORE 4.7 * EMANE: * support for EMANE 0.9.1 * fix error when using Comm Effect model with loss/duplicate string values * enable flow control in virtual transport if enabled in the MAC model * fix bug #150 where EMANE event service/address port were not used * GUI: * support Tcl/Tk 8.6 when available * added --(a)ddress and --(p)ort arguments to core-gui command-line * added File > Execute XML or Python script... option * added File > Execute Python script with options... menu item * when executing Python script from GUI, run in background thread, wait for RUNTIME state * enter RUNTIME state when start button pressed with empty canvas * added support for asymmetric link effects * support link delays up to 274 seconds (netem maximum) * allow runtime changes of WLAN link effects * DAEMON: * set NODE_NAME, NODE_NUMBER, SESSION_SHORT in default vnoded environment * changed host device naming to use veth, tap prefixes; b.n.SS for bridges * allow parsing XML files into live running session * enable link effects between hub/switch and hub/switch connections * update MDR service to use broadcast interfaces for non-WLAN links * allow node class to be specified when initializing XML parser * save and parse canvas origin (reference point) and scale in MP XML * up/down control script session option * fix hash calculation used to determine GRE tunnel keys * use shell script to detach SMF on startup * added NRL services for mgen sink and nrlolsrv2 * use SDT URL session option * added core-manage tool for addons to add/remove/check services, models, and custom node types * API: * implement local flag in Execute Message for running host commands * jitter changed to 64-bit value to align with delay in Link Message * added unidirectional link flag TLV to Link Message * added reconfigure event type for re-generating service config files * return errors in API with failed services * BUGFIXES: * fix HTTP service running under Ubuntu * fixed the following bugs: #150, 169, 188, 220, 225, 230, 231, 242, 244, 247, 248, 250, 251 ## 2013-09-25 CORE 4.6 * NOTE: cored is now core-daemon, and core is now core-gui (for Debian acceptance) * NOTE: /etc/init.d/core is now /etc/init.d/core-daemon (for insserv compatibility) * EMANE: * don't start EMANE locally if no local NEMs * EMANE poststartup() to re-transmit location events during initialization * added debug port to EMANE options * added a basic EMANE 802.11 CORE Python script example * expose transport XML block generation to EmaneModels * expose NEM entry to the EmaneModel so it can be overridden by a model * add the control interface bridge prior to starting EMANE, as some models may * depend on the controlnet functionality * added EMANE model to CORE converter * parse lat/long/alt from node messages, for moving nodes using command-line * fix bug #196 incorrect distance when traversing UTM zones * GUI: * added Cut, Copy, and Paste options to the Edit menu * paste will copy selected services and take care of node and interface * renumbering * implement Edit > Find dialog for searching nodes and links * when copying existing file for a service, perform string replacement of: * "~", "%SESSION%", "%SESSION_DIR%", "%SESSION_USER%", "%NODE%", "%NODENAME%" * use CORE_DATA_DIR insteadof LIBDIR * fix Adjacency Widget to work with OSPFv2 only networks * BUILD: * build/packaging improvements for inclusion on Debian * fix error when running scenario with a mobility script in batch mode * include Linux kernel patches for 3.8 * renamed core-cleanup.sh to core-cleanup for Debian conformance * don't always generate man pages from Makefile; new manpages for coresendmsg and core-daemon * BUGFIXES: * don't auto-assign IPv4/IPv6 addresses when none received in Link Messages (session reconnect) * fixed lock view * fix GUI spinbox errors for Tk 8.5.8 (RHEL/CentOS 6.2) * fix broker node count for distributed session entering the RUNTIME state when * (non-EMANE) WLANs or GreTapBridges are involved; * fix "file exists" error message when distributed session number is re-used * and servers file is written * fix bug #194 configuration dialog too long, make dialog scrollable/resizable * allow float values for loss and duplicates percent * fix the following bugs: 166, 172, 177, 178, 192, 194, 196, 201, 202, 205, 206, 210, 212, 213, 214, 221 ## 2013-04-13 CORE 4.5 * GUI: * improved behavior when starting GUI without daemon, or using File New after connection with daemon is lost * fix various GUI issues when reconnecting to a session * support 3D GUI via output to SDT3D * added "Execute Python script..." entry to the File Menu * support user-defined terminal program instead of hard-coded xterm * added session options for "enable RJ45s", "preserve session dir" * added buttons to the IP Addresses dialog for removing all/selected IPv4/IPv6 * allow sessions with multiple canvases to enter RUNTIME state * added "--addons" startup mode to pass control to code included from addons dir * added "Locked" entry to View menu to prevent moving items * use currently selected node type when invoking a topology generator * updated throughput plots with resizing, color picker, plot labels, locked scales, and save/load plot configuration with imn file * improved session dialog * EMANE: * EMANE 0.8.1 support with backwards-compatibility for 0.7.4 * extend CommEffect model to generate CommEffect events upon receipt of Link Messages having link effects * Services: * updated FTP service with root directory for anonymous users * added HTTP, PCAP, BIRD, RADVD, and Babel services * support copying existing files instead of always generating them * added "Services..." entry to node right-click menu * added "View" button for side-by-side comparison when copying customized config files * updated Quagga daemons to wait for zebra.vty VTY file before starting * General: * XML import and export * renamed "cored.py" to "cored", "coresendmsg.py" to "coresendmsg" * code reorganization and clean-up * updated XML export to write NetworkPlan, MotionPlan, and ServicePlan within a Scenario tag, added new "Save As XML..." File menu entry * added script_start/pause/stop options to Ns2ScriptedMobility * "python" source sub-directory renamed to "daemon" * added "cored -e" option to execute a Python script, adding its session to the active sessions list, allowing for GUI connection * support comma-separated list for custom_services_dir in core.conf file * updated kernel patches for Linux kernel 3.5 * support RFC 6164-style IPv6 /127 addressing * ns-3: * integrate ns-3 node location between CORE and ns-3 simulation * added ns-3 random walk mobility example * updated ns-3 Wifi example to allow GUI connection and moving of nodes * fixed the following bugs: 54, 103, 111, 136, 145, 153, 157, 160, 161, 162, 164, 165, 168, 170, 171, 173, 174, 176, 184, 190, 193 ## 2012-09-25 CORE 4.4 * GUI: * real-time bandwidth plotting tool * added Wireshark and tshark right-click menu items * X,Y coordinates shown in the status bar * updated GUI attribute option to link messages for changing color/width/dash * added sample IPsec and VPN scenarios, how many nodes script * added jitter parameter to WLANs * renamed Experiment menu to Session menu, added session options * use 'key=value' configuration for services, EMANE models, WLAN models, etc. * save only service values that have been customized * copy service parameters from one customized service to another * right-click menu to start/stop/restart each service * EMANE: * EMANE 0.7.4 support * added support for EMANE CommEffect model and Comm Effect controller GUI * added support for EMANE Raw Transport when using RJ45 devices * Services: * improved service customization; allow a service to define custom Tcl tab * added vtysh.conf for Quagga service to support 'write mem' * support scheduled events and services that start N seconds after runtime * added UCARP service * Documentation: * converted the CORE manual to reStructuredText using Sphinx; added Python docs * General: * Python code reorganization * improved cored.py thread locking * merged xen branch into trunk * added an event queue to a session with notion of time zero * added UDP support to cored.py * use UDP by default in coresendmsg.py; added '-H' option to print examples * enter a bash shell by default when running vcmd with no arguments * fixes to distributed emulation entering runtime state * write 'nodes' file upon session startup * make session number and other attributes available in environment * support /etc/core/environment and ~/.core/environment files * added Ns2ScriptedMobility model to Python, removed from the GUI * namespace nodes mount a private /sys * fixed the following bugs: 80, 81, 84, 99, 104, 109, 110, 122, 124, 131, 133, 134, 135, 137, 140, 143, 144, 146, 147, 151, 154, 155 ## 2012-03-07 CORE 4.3 * EMANE 0.7.2 and 0.7.3 support * hook scripts: customize actions at any of six different session states * Check Emulation Light (CEL) exception feedback system * added FTP and XORP services, and service validate commands * services can flag when customization is required * Python classes to support ns-3 simulation experiments * write state, node X,Y position, and servers to pycore session dir * removed over 9,000 lines of unused GUI code * performance monitoring script * batch mode improvements and --closebatch option * export session to EmulationScript XML files * basic range model moved from GUI to Python, supports 3D coordinates * improved WLAN dialog with tabs * added PhysicalNode class for joining real nodes with emulated networks * fixed the following bugs: 50, 75, 76, 79, 82, 83, 85, 86, 89, 90, 92, 94, 96, 98, 100, 112, 113, 116, 119, 120 ## 2011-08-19 CORE 4.2 * EMANE 0.7.1 support * support for Bypass model, Universal PHY, logging, realtime * configurable MAC addresses * control interfaces (backchannel between node and host) * service customization dialog improved (tabbed) * new testing scripts for MDR and EMANE performance testing * improved upgrading of old imn files * new coresendmsg.py utility (deprecates libcoreapi and coreapisend) * new security services, custom service becomes UserDefined * new services and Python scripting chapters in manual * fixes to distributed emulation, linking tunnels/RJ45s with WLANs/hubs/switches * fixed the following bugs: 18, 32, 34, 38, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 52, 53, 55, 57, 58, 60, 62, 64, 65, 66, 68, 71, 72, 74 ## 2011-01-05 CORE 4.1 * new icons for toolbars and nodes * node services introduced, node models deprecated * customizable node types * traffic flow editor with MGEN support * user configs moved from /etc/core/`*` to ~/.core/ * allocate addresses from custom IPv4/IPv6 prefixes * distributed emulation using GRE tunnels * FreeBSD 8.1 now uses cored.py * EMANE 0.6.4 support * numerous bugfixes ## 2010-08-17 CORE 4.0 * Python framework with Linux network namespace (netns) support (Linux netns is now the primary supported platform) * ability to close the GUI and later reconnect to a running session (netns only) * EMANE integration (netns only) * new topology generators, host file generator * user-editable Observer Widgets * use of /etc/core instead of /usr/local/etc/core * various bugfixes ## 2009-09-15 CORE 3.5 ## 2009-06-23 CORE 3.4 ## 2009-03-11 CORE 3.3