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* IRMd: set number of thread back to 3 (minimum)dimitri staessens2016-05-101-1/+1
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* irmd: introduced lockingdimitri staessens2016-05-103-142/+287
| | | | | This commit adds locking to the IRMd with a single global lock. It also fixes some issues in cleaning up the daemon.
* Merge branch 'be' of bitbucket.org:ouroboros-rina/ouroboros into irmd-threadsdimitri staessens2016-05-103-9/+9
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| * Merged in sandervrijders/ouroboros/be (pull request #71)dimitri staessens2016-05-103-9/+9
| |\ | | | | | | | | | Fixes some log messages
| | * tools: Fix log messages in echo appSander Vrijders2016-05-102-8/+8
| | | | | | | | | | | | | | | This fixes bad indentation and log messages without a newline in the echo application.
| | * tools: Fix log message in irm toolSander Vrijders2016-05-101-1/+1
| | | | | | | | | | | | | | | A wrong log message was being printed if the bootstrap command was called with a wrong parameter.
* | | irmd: use pthread_cond_waitdimitri staessens2016-05-091-23/+29
|/ / | | | | | | | | | | The initial implementation looped on a nanosleep to wait for an incoming flow allocation request. This implementation is now corrected with the necessary locks and the thread sleeps on a condition variable.
* / lib/test: removed the test for the shm_du_mapdimitri staessens2016-05-093-197/+1
|/ | | | | | | The test had a synchronisation issue. Due to rebuild of the shm_du_map for random access, there was also a hack in the shm_du_map specifically to run this test. Because of this hack, the decision was made to drop this test.
* ipcpd-udp: fixed missing closedimitri staessens2016-05-081-0/+1
| | | | caused the shim to run out of file descriptors fast...
* lib: fixed enormous memory leak in shm_ap_rbuffdimitri staessens2016-05-081-3/+6
| | | | thanks Sander ;)
* lib: changed port_id to intdimitri staessens2016-05-089-62/+59
| | | | | returning -1 as uint32_t leads to bugs. also changed types in GPB to sint to use zigzag encoding.
* lib: changed SHM_AP_RBUFF to SHM_AP_RBUFF_PREFIXdimitri staessens2016-05-081-4/+4
| | | | This better reflects the use as the pid is appended to that name.
* lib/irmd/ipcpd/tools: fixes comments on eb9f443dimitri staessens2016-05-085-21/+38
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* irmd: flow allocation and fast pathdimitri staessens2016-05-0721-758/+1714
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This commit has a first implementation of flow allocation (the "slow path") and read/write (the "fast path") for ouroboros. It provides basic but unstable communications over the shared memory. It required a lot of changes all over the stack, and fixes a number of previously undetected issues. This PR still need heavy revision regarding data model, locking and cleanup. lib/dev: modifications to the API. It now uses an ap_init() call to set the AP name and sets the Instance ID to the pid of the process. It also binds the AP to the shared memory and creates tables for mappings in the fast path. A call to ap_fini() releases the resources. lib/shm_ap_rbuff: added ring buffer for data exchange between processes in the fast path. It passes an index in the shm_du_map. lib/shm_du_map: rewrote API to work with calls from dev.c. Garbage collector added. Tests updated to new API. ipcpd/ipcp-data: removed everything related to flows, as these are universal for all ap's and kept in ap_data (dev.c), or similar structs for shim ipcps. shim-udp: added flow allocator and read/write functions and shm elements. irmd: revised data model and structures necessary for flow allocation. tools: echo updated to new dev.h API. messaging system was updated to comply with new flow allocation messages. All exchanges use pid and port_id to bootstrap the fast path.
* ipcpd: Add registration to DNS serverSander Vrijders2016-04-272-19/+120
| | | | | This adds support for adding the application name to a BIND DNS server through the nsupdate utility.
* lib: client-side flow allocationdimitri staessens2016-04-274-13/+49
| | | | | flow allocation now propagates on the client side up to the IPCP. added UNKNOWN_AP and UNKNOWN_AE definitions to dev.h
* ipcpd: Hide IRMd messages and fix formattingSander Vrijders2016-04-273-64/+40
| | | | | This abstracts away the IRMd messages by calling the functions from ipcp.h in the ouroboros library. It also fixes some formatting issues.
* ipcpd: Fix shim-udp-testSander Vrijders2016-04-271-2/+2
| | | | | This fixes the shim-udp-test, which was using a non null-terminated string, which caused it to fail on some systems.
* shim-udp: resolve dst_name using DNSdimitri staessens2016-04-263-20/+37
| | | | | | This commits adds the gethostbyname call to resolve the dst_name for a flow allocation using DNS. The DNS server should be specified using the method mandated by the system (e.g. added to /etc/resolv.conf).
* lib: irm.h create_ipcp now returns pid_tdimitri staessens2016-04-263-6/+6
| | | | | ipcp_create now returns the pid of the created process to allow for more efficient scripting.
* lib: instance ID's are now set to the process PIDdimitri staessens2016-04-269-127/+97
| | | | | | | | All instance-id's in ouroboros will be set by the system to the pid of the process associated with this application process instance. This means that the user has no way to choose the instance id's. Function calls that assumed manually defined instance id's have been replaced throughout the system.
* irmd/shim-udp: formatting fixesdimitri staessens2016-04-252-17/+23
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* irmd: reg/unreg whatevercast namesdimitri staessens2016-04-2211-258/+443
| | | | | | | | | | | | Unregistering ap's now works. An AP now registers/unregisters its AP-I by sending its AP name and its pid to the IRMd. The IPCPs register whatevercast names. An AP name is currently mapped on a whatevercast name represented by the same string literal. The IRMd allows registration of only one AP-I per AP. A Name Space Management system is needed in the processing system so we can resolve this completely. Changing the stack to register whatevercast names required some changes all over the ipcpd implemented and in the library.
* ipcpd: fixes comments on 18c5da3dimitri staessens2016-04-213-10/+10
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* irmd: application registrationdimitri staessens2016-04-213-10/+59
| | | | | | Initial code for application registration. Specifying "*" will (for now) register with the first IPCP available in the system. Modified the echo server not to barf messages on failed accept()
* ipdpd: shim UDP: listen to incoming SDUsdimitri staessens2016-04-201-28/+74
| | | | | | The shim UDP will listen to incoming SDU's for a flow. If the flow is FLOW_PENDING, it will set it to FLOW_ALLOCATED on the reception of the first SDU, and connect() to set the destination server_host:sp.
* ipdpd: defined ANONYMOUS_AP namedimitri staessens2016-04-202-23/+11
| | | | fixes comments on 38c4169 (memleaks)
* shim-udp: flow allocation addeddimitri staessens2016-04-197-26/+329
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This implements the API for flow allocation. The shims currently does the following. The shim IPCP binds to an interface (IP address) and listens for flow allocation requests on UDP port 0x0D1F (3359), referenced as the listen port (lp). It will treat any datagram received on lp as a flow allocation request. Upon receiving an allocation request IRM_MSG_CODE__IPCP_FLOW_ALLOC from the IRMd, the shim IPCP will bind a UDP socket to a port (cp) allocated by the host OS. From that port it will send a UDP packet containing the destination ap_name to server_host:lp and wait for a response. Upon reception of a packet on server_host:lp, the shim_IPCP creates a UDP socket for the flow with a port set by the host os (sp), binds to it and echoes the received datagram back from server_host:sp to client_host:cp. It will also notify the IRMd of an incoming flow allocation request IRM_MSG_CODE__IPCP_FLOW_REQ_ARR, with as src_ap_name ("John Day"). It will get the port_id as a return value of that message and create a flow with status FLOW_PENDING with that port_id. If the server responds negatively to the flow allocation request (i.e. the shim IPCP on the server side receives a IRM_MSG_CODE__IPCP_FLOW_ALLOC_RESPONSE with a response != 0, it will delete the pending flow. If response == 0, it will set the status to FLOW_ALLOCATED. On the client machine the IPCP will learn sp upon reception of the echoed datagram. It will then create a flow with the port_id it received with the message from the IRMd and set it to ALLOCATED. Pending implementation: DNS support, this PR only supports local flows on the loopback adapter 127.0.0.1. A thread to listen for the echoed message, to avoid the entire IPCP to block when the echoed message is lost. This PR compiles but is untested pending necessary implementations elsewhere in the stack.
* lib: moved flow header and source to ipcpddimitri staessens2016-04-197-5/+67
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* ipcpd: alignment fixes in ipcp-ops.hdimitri staessens2016-04-191-4/+4
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* ipcpd: added checksdimitri staessens2016-04-193-19/+62
| | | | | added missing NULL checks common argument check function for ipcps
* ipcpd: alignment fixes in ipcp-ops.hdimitri staessens2016-04-191-6/+6
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* ipcpd: initial IPC processesdimitri staessens2016-04-1827-136/+1590
| | | | | | | | | | | Basic functions for implementation of IPC processes, and implementation of core functions of the shim IPCP over UDP. Updates to the build system to compile these IPC processes, as well as some fixes in the irmd (rudimentary capturing exit signals) and some fixes in the library, mainly relating to the messaging. Basic implementation of creation / bootstrapping / deletion of the shim UDP. Placeholders for other functions.
* lib: fixed missing check in instance_name_createdimitri staessens2016-04-131-0/+2
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* Merged in sandervrijders/ouroboros/be (pull request #54)Dimitri Staessens2016-04-119-39/+211
|\ | | | | | | Dif config now correctly passed to the IPCP
| * lib: Change ipcp typesSander Vrijders2016-04-113-8/+6
| | | | | | | | | | This changes the name of the IPCP types after discussions with Dimitri.
| * tools: Update irm bootstrapSander Vrijders2016-04-111-4/+106
| | | | | | | | | | This updates irm bootstrap so that the parameters from the struct dif_config can be correctly filled in from the command line.
| * lib, irmd, irm: Add dif_configSander Vrijders2016-04-089-35/+107
| | | | | | | | | | | | | | | | | | This adds dif_config to the prototype, in which one is able to specify the parameters a DIF should have. The bootstrap operation of an IPCP takes this as parameter and is oblivious to whether it is a shim or a normal IPCP. The dif_config struct is also correctly serialized and deserialized and passed opaquely to the correct IPCP. This IPCP is in charge of deserializing it correctly.
* | lib: include stdlib.h, not malloc.hdimitri staessens2016-04-025-5/+5
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* lib: Remove check for equal namesSander Vrijders2016-04-022-4/+0
| | | | | Removes name_is_equal. Just using instance_name_cmp is encouraged. It also removes a wrong initialization in the irm tool.
* irmd: Rename name_to_pid to ipcp_dataSander Vrijders2016-04-021-31/+75
| | | | | | Did a rename of the struct so that it can hold all data related to an IPCP in the system. The DIF name an IPCP belongs to is set on bootstrap and enrolment.
* lib: Move strdup to utilsSander Vrijders2016-04-022-19/+22
| | | | This moves strdup to utils to make it globally available.
* Merge branch 'be' of bitbucket.org:ouroboros-rina/ouroboros into be-builddimitri staessens2016-04-0126-1181/+1460
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| * lib: Implementation of flow related opsSander Vrijders2016-03-314-36/+367
| | | | | | | | | | | | This adds the messages that are sent to the IPCPs related to flows. Some messages are also sent to the IRMd (e.g. when a new flow arrives).
| * Merged in sandervrijders/ouroboros/be-irmd (pull request #48)Dimitri Staessens2016-03-307-174/+374
| |\ | | | | | | | | | lib, irmd: Update communication with IRMd
| | * lib, irmd: Update communication with IRMdSander Vrijders2016-03-307-174/+374
| | | | | | | | | | | | | | | All messages sent to the IRMd now also get a reply back with the result of the operation.
| * | Merge branch 'be' of bitbucket.org:ouroboros-rina/ouroboros into be-flowdimitri staessens2016-03-3015-217/+192
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| | * lib: fixes for instance_namedimitri staessens2016-03-302-37/+16
| | | | | | | | | | | | | | | fixes wrong check, checks now use lazy evaluation changed the order of instance_name_cpy to (dst, src)
| | * lib: renamed rina_name_t to instance_name_tdimitri staessens2016-03-3015-213/+209
| | | | | | | | | | | | | | | all functions taking a char * ap_name and uint id now take either a instance_name_t or instance_name_t *
| * | lib: further fixes to flow APIdimitri staessens2016-03-301-1/+1
| | | | | | | | | | | | | | | FLOW_O_INVALID now defined in terms of conflicting options bugfix in setopts
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