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Netconf monitoring RFC 6022 Sessions (https://github.com/clicon/clixon/issues/370)

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- statistics and transport/source-host parameters
  - extended internal NETCONF hello with transport and source-host attributes
clixon-lib,yang
  - Moved all extended internal NETCONF attributes to the clicon-lib namespace
C-API:
  - wrapped most attribute creation into new fn xml_add_attr()
This commit is contained in:
Olof hagsand 2023-01-14 11:25:39 +01:00
parent 7558d40faa
commit 3916fa919c
36 changed files with 883 additions and 402 deletions
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15
apps/backend/backend_client.h
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@ -41,24 +41,33 @@
* Types
*/
/*
* Client entry.
* Backend client entry.
* Keep state about every connected client.
* References from RFC 6022, ietf-netconf-monitoring.yang sessions container
*/
struct client_entry{
struct client_entry *ce_next; /* The clients linked list */
struct sockaddr ce_addr; /* The clients (UNIX domain) address */
int ce_s; /* stream socket to client */
int ce_nr; /* Client number (for dbg/tracing) */
int ce_stat_in; /* Nr of received msgs from client */
int ce_stat_out;/* Nr of sent msgs to client */
uint32_t ce_id; /* Session id, accessor functions: clicon_session_id_get/set */
char *ce_username;/* Translated from peer user cred */
clicon_handle ce_handle; /* clicon config handle (all clients have same?) */
char *ce_transport; /* Identifies the transport for each session.
Clixon-lib.yang extends these values by prefixing with
"cl:", where cl is ensured to be declared ie by
netconf-monitoring state */
char *ce_source_host; /* Host identifier of the NETCONF client */
struct timeval ce_time; /* Time at the server at which the session was established. */
uint32_t ce_in_rpcs ; /* Number of correct <rpc> messages received. */
uint32_t ce_in_bad_rpcs; /* Not correct <rpc> messages */
uint32_t ce_out_rpc_errors; /* <rpc-error> messages*/
};
/*
* Prototypes
*/
int backend_monitoring_state_get(clicon_handle h, yang_stmt *yspec, char *xpath, cvec *nsc, cxobj **xret, cxobj **xerr);
int backend_client_rm(clicon_handle h, struct client_entry *ce);
int from_client(int fd, void *arg);
int backend_rpc_init(clicon_handle h);