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Debug: improved debug level 2 with socket-description, also for notification

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This commit is contained in:
Olof hagsand 2023-11-01 13:02:32 +01:00
parent 71431dcd82
commit e9c5287c36
10 changed files with 102 additions and 53 deletions
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110
apps/backend/backend_client.c
View file

@ -89,44 +89,7 @@ ce_find_byid(struct client_entry *ce_list,
return NULL;
}
/*! Stream callback for netconf stream notification (RFC 5277)
*
* @param[in] h Clixon handle
* @param[in] op 0:event, 1:rm
* @param[in] event Event as XML
* @param[in] arg Extra argument provided in stream_ss_add
* @see stream_ss_add
*/
int
ce_event_cb(clicon_handle h,
int op,
cxobj *event,
void *arg)
{
struct client_entry *ce = (struct client_entry *)arg;
clixon_debug(CLIXON_DBG_DEFAULT, "%s op:%d", __FUNCTION__, op);
switch (op){
case 1:
/* Risk of recursion here */
if (ce->ce_s)
backend_client_rm(h, ce);
break;
default:
if (send_msg_notify_xml(h, ce->ce_s, ce->ce_source_host, event) < 0){
if (errno == ECONNRESET || errno == EPIPE){
clicon_log(LOG_WARNING, "client %d reset", ce->ce_nr);
}
break;
}
/* note there may be other notifications than RFC5277 streams */
ce->ce_out_notifications++;
netconf_monitoring_counter_inc(h, "out-notifications");
}
return 0;
}
/*! Construct a client string from client_entry information for logging
/*! Construct a client string description from client_entry information for logging
*
* @param[in] ce Client entry struct
* @param[out] cbp Cligen buffer, deallocate with cbuf_free
@ -134,8 +97,8 @@ ce_event_cb(clicon_handle h,
* @retval -1 Error
*/
static int
ce_client_string(struct client_entry *ce,
cbuf **cbp)
ce_client_descr(struct client_entry *ce,
cbuf **cbp)
{
int retval = -1;
cbuf *cb = NULL;
@ -148,12 +111,11 @@ ce_client_string(struct client_entry *ce,
if ((cb = cbuf_new()) == NULL){
clicon_err(OE_UNIX, errno, "cbuf_new");
goto done;
}
if (ce->ce_transport){
if (nodeid_split(ce->ce_transport, NULL, &id) < 0)
goto done;
cprintf(cb, "%s", id);
cprintf(cb, "%s:", id);
}
cprintf(cb, "%u", ce->ce_id);
*cbp = cb;
@ -164,6 +126,54 @@ ce_client_string(struct client_entry *ce,
return retval;
}
/*! Stream callback for netconf stream notification (RFC 5277)
*
* @param[in] h Clixon handle
* @param[in] op 0:event, 1:rm
* @param[in] event Event as XML
* @param[in] arg Extra argument provided in stream_ss_add
* @retval 0 OK
* @retval -1 Error
* @see stream_ss_add
*/
int
ce_event_cb(clicon_handle h,
int op,
cxobj *event,
void *arg)
{
int retval = -1;
struct client_entry *ce = (struct client_entry *)arg;
cbuf *cbce = NULL;
clixon_debug(CLIXON_DBG_DEFAULT, "%s op:%d", __FUNCTION__, op);
switch (op){
case 1:
/* Risk of recursion here */
if (ce->ce_s)
backend_client_rm(h, ce);
break;
default:
if (ce_client_descr(ce, &cbce) < 0)
goto done;
if (send_msg_notify_xml(h, ce->ce_s, cbuf_get(cbce), event) < 0){
if (errno == ECONNRESET || errno == EPIPE){
clicon_log(LOG_WARNING, "client %d reset", ce->ce_nr);
}
break;
}
/* note there may be other notifications than RFC5277 streams */
ce->ce_out_notifications++;
netconf_monitoring_counter_inc(h, "out-notifications");
}
retval = 0;
done:
if (cbce)
cbuf_free(cbce);
return retval;
}
/*! Unlock all db:s of a client and call user unlock calback
*
* @see xmldb_unlock_all unlocks, but does not call user callbacks which is a backend thing
@ -290,6 +300,7 @@ backend_monitoring_state_get(clicon_handle h,
* @param[in] ce Client handle
* @retval 0 Ok
* @retval -1 Error (fatal)
* @see backend_client_add for adding
* @see backend_client_delete for actual deallocation of client entry struct
*/
int
@ -1628,7 +1639,18 @@ from_client_msg(clicon_handle h,
* 3. Its a create-subscription message that uses a separate socket(=client)
*/
if (op_id != 0 && ce->ce_id != op_id && strcmp(rpcname, "create-subscription")){
client_entry *ce0;
clixon_debug(CLIXON_DBG_DEFAULT, "%s Warning: incoming session-id:%u does not match ce_id:%u on socket: %d", __FUNCTION__, op_id, ce->ce_id, ce->ce_s);
/* Copy transport from orig client-entry */
if (ce->ce_transport == NULL &&
(ce0 = ce_find_byid(backend_client_list(h), op_id)) != NULL &&
ce0->ce_transport){
if ((ce->ce_transport = strdup(ce0->ce_transport)) == NULL){
clicon_err(OE_UNIX, errno, "strdup");
goto done;
}
}
}
/* Note that this validation is also made in xml_yang_validate_rpc, but not for hello
*/
@ -1775,7 +1797,7 @@ from_client_msg(clicon_handle h,
// XXX clixon_debug(CLIXON_DBG_MSG, "Reply:%s", cbuf_get(cbret));
/* XXX problem here is that cbret has not been parsed so may contain
parse errors */
if (ce_client_string(ce, &cbce) < 0)
if (ce_client_descr(ce, &cbce) < 0)
goto done;
if (send_msg_reply(ce->ce_s, cbuf_get(cbce), cbuf_get(cbret), cbuf_len(cbret)+1) < 0){
switch (errno){
@ -1843,7 +1865,7 @@ from_client(int s,
clicon_err(OE_NETCONF, EINVAL, "Internal error: s != ce->ce_s");
goto done;
}
if (ce_client_string(ce, &cbce) < 0)
if (ce_client_descr(ce, &cbce) < 0)
goto done;
if (clicon_msg_rcv(ce->ce_s, cbuf_get(cbce), 0, &msg, &eof) < 0)
goto done;