diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/event.c | 9 | ||||
| -rw-r--r-- | lib/mgmt_be_client.c | 47 | ||||
| -rw-r--r-- | lib/mgmt_be_client.h | 12 | ||||
| -rw-r--r-- | lib/northbound.c | 21 | ||||
| -rw-r--r-- | lib/northbound.h | 27 | ||||
| -rw-r--r-- | lib/northbound_cli.c | 12 | ||||
| -rw-r--r-- | lib/sockopt.c | 3 | ||||
| -rw-r--r-- | lib/vty.h | 4 | ||||
| -rw-r--r-- | lib/yang.c | 46 | ||||
| -rw-r--r-- | lib/yang.h | 13 |
10 files changed, 148 insertions, 46 deletions
diff --git a/lib/event.c b/lib/event.c index 6427705e90..fc46a11c0b 100644 --- a/lib/event.c +++ b/lib/event.c @@ -570,9 +570,12 @@ struct event_loop *event_master_create(const char *name) rv->fd_limit = (int)limit.rlim_cur; } - if (rv->fd_limit > STUPIDLY_LARGE_FD_SIZE) - zlog_warn("FD Limit set: %u is stupidly large. Is this what you intended? Consider using --limit-fds", - rv->fd_limit); + if (rv->fd_limit > STUPIDLY_LARGE_FD_SIZE) { + zlog_warn("FD Limit set: %u is stupidly large. Is this what you intended? Consider using --limit-fds also limiting size to %u", + rv->fd_limit, STUPIDLY_LARGE_FD_SIZE); + + rv->fd_limit = STUPIDLY_LARGE_FD_SIZE; + } rv->read = XCALLOC(MTYPE_EVENT_POLL, sizeof(struct event *) * rv->fd_limit); diff --git a/lib/mgmt_be_client.c b/lib/mgmt_be_client.c index 6530022db8..286555c564 100644 --- a/lib/mgmt_be_client.c +++ b/lib/mgmt_be_client.c @@ -963,22 +963,29 @@ static void be_client_handle_notify(struct mgmt_be_client *client, void *msgbuf, size_t msg_len) { struct mgmt_msg_notify_data *notif_msg = msgbuf; - struct mgmt_be_client_notification_cb *cb; - const char *notif; - uint i; + struct nb_node *nb_node; + char notif[XPATH_MAXLEN]; + struct lyd_node *dnode; + LY_ERR err; debug_be_client("Received notification for client %s", client->name); - /* "{\"modname:notification-name\": ...}" */ - notif = (const char *)notif_msg->result + 2; + err = yang_parse_notification(notif_msg->result_type, + (char *)notif_msg->result, &dnode); + if (err) + return; - for (i = 0; i < client->cbs.nnotify_cbs; i++) { - cb = &client->cbs.notify_cbs[i]; - if (strncmp(cb->xpath, notif, strlen(cb->xpath))) - continue; - cb->callback(client, client->user_data, cb, - (const char *)notif_msg->result); + lysc_path(dnode->schema, LYSC_PATH_DATA, notif, sizeof(notif)); + + nb_node = nb_node_find(notif); + if (!nb_node || !nb_node->cbs.notify) { + debug_be_client("No notification callback for %s", notif); + goto cleanup; } + + nb_callback_notify(nb_node, notif, dnode); +cleanup: + lyd_free_all(dnode); } /* @@ -1049,8 +1056,6 @@ int mgmt_be_send_subscr_req(struct mgmt_be_client *client_ctx, { Mgmtd__BeMessage be_msg; Mgmtd__BeSubscribeReq subscr_req; - const char **notif_xpaths = NULL; - int ret; mgmtd__be_subscribe_req__init(&subscr_req); subscr_req.client_name = client_ctx->name; @@ -1060,16 +1065,8 @@ int mgmt_be_send_subscr_req(struct mgmt_be_client *client_ctx, subscr_req.oper_xpaths = oper_xpaths; /* See if we should register for notifications */ - subscr_req.n_notif_xpaths = client_ctx->cbs.nnotify_cbs; - if (client_ctx->cbs.nnotify_cbs) { - struct mgmt_be_client_notification_cb *cb, *ecb; - - cb = client_ctx->cbs.notify_cbs; - ecb = cb + client_ctx->cbs.nnotify_cbs; - for (; cb < ecb; cb++) - *darr_append(notif_xpaths) = cb->xpath; - } - subscr_req.notif_xpaths = (char **)notif_xpaths; + subscr_req.n_notif_xpaths = client_ctx->cbs.nnotif_xpaths; + subscr_req.notif_xpaths = (char **)client_ctx->cbs.notif_xpaths; mgmtd__be_message__init(&be_msg); be_msg.message_case = MGMTD__BE_MESSAGE__MESSAGE_SUBSCR_REQ; @@ -1079,9 +1076,7 @@ int mgmt_be_send_subscr_req(struct mgmt_be_client *client_ctx, subscr_req.client_name, subscr_req.n_config_xpaths, subscr_req.n_oper_xpaths, subscr_req.n_notif_xpaths); - ret = mgmt_be_client_send_msg(client_ctx, &be_msg); - darr_free(notif_xpaths); - return ret; + return mgmt_be_client_send_msg(client_ctx, &be_msg); } static int _notify_conenct_disconnect(struct msg_client *msg_client, diff --git a/lib/mgmt_be_client.h b/lib/mgmt_be_client.h index d144ebc728..361899fc1d 100644 --- a/lib/mgmt_be_client.h +++ b/lib/mgmt_be_client.h @@ -73,16 +73,8 @@ struct mgmt_be_client_cbs { struct mgmt_be_client_txn_ctx *txn_ctx, bool destroyed); - struct mgmt_be_client_notification_cb *notify_cbs; - uint nnotify_cbs; -}; - -struct mgmt_be_client_notification_cb { - const char *xpath; /* the notification */ - uint8_t format; /* currently only LYD_JSON supported */ - void (*callback)(struct mgmt_be_client *client, uintptr_t usr_data, - struct mgmt_be_client_notification_cb *this, - const char *notif_data); + const char **notif_xpaths; + uint nnotif_xpaths; }; /*************************************************************** diff --git a/lib/northbound.c b/lib/northbound.c index a0b1bd18c5..d74773194c 100644 --- a/lib/northbound.c +++ b/lib/northbound.c @@ -284,6 +284,8 @@ static unsigned int nb_node_validate_cbs(const struct nb_node *nb_node) !!nb_node->cbs.lookup_entry, false); error += nb_node_validate_cb(nb_node, NB_CB_RPC, !!nb_node->cbs.rpc, false); + error += nb_node_validate_cb(nb_node, NB_CB_NOTIFY, + !!nb_node->cbs.notify, true); return error; } @@ -1605,6 +1607,18 @@ int nb_callback_rpc(const struct nb_node *nb_node, const char *xpath, return nb_node->cbs.rpc(&args); } +void nb_callback_notify(const struct nb_node *nb_node, const char *xpath, + struct lyd_node *dnode) +{ + struct nb_cb_notify_args args = {}; + + DEBUGD(&nb_dbg_cbs_notify, "northbound notify: %s", xpath); + + args.xpath = xpath; + args.dnode = dnode; + nb_node->cbs.notify(&args); +} + /* * Call the northbound configuration callback associated to a given * configuration change. @@ -1653,6 +1667,7 @@ static int nb_callback_configuration(struct nb_context *context, case NB_CB_GET_KEYS: case NB_CB_LOOKUP_ENTRY: case NB_CB_RPC: + case NB_CB_NOTIFY: yang_dnode_get_path(dnode, xpath, sizeof(xpath)); flog_err(EC_LIB_DEVELOPMENT, "%s: unknown operation (%u) [xpath %s]", __func__, @@ -2047,6 +2062,10 @@ bool nb_cb_operation_is_valid(enum nb_cb_operation operation, return false; } return true; + case NB_CB_NOTIFY: + if (snode->nodetype != LYS_NOTIF) + return false; + return true; default: return false; } @@ -2279,6 +2298,8 @@ const char *nb_cb_operation_name(enum nb_cb_operation operation) return "lookup_entry"; case NB_CB_RPC: return "rpc"; + case NB_CB_NOTIFY: + return "notify"; } assert(!"Reached end of function we should never hit"); diff --git a/lib/northbound.h b/lib/northbound.h index 9279122deb..e9f2db9b6e 100644 --- a/lib/northbound.h +++ b/lib/northbound.h @@ -99,6 +99,7 @@ enum nb_cb_operation { NB_CB_GET_KEYS, NB_CB_LOOKUP_ENTRY, NB_CB_RPC, + NB_CB_NOTIFY, }; union nb_resource { @@ -286,6 +287,18 @@ struct nb_cb_rpc_args { size_t errmsg_len; }; +struct nb_cb_notify_args { + /* XPath of the notification. */ + const char *xpath; + + /* + * libyang data node representing the notification. If the notification + * is not top-level, it still points to the notification node, but it's + * part of the full data tree with all its parents. + */ + struct lyd_node *dnode; +}; + /* * Set of configuration callbacks that can be associated to a northbound node. */ @@ -510,6 +523,17 @@ struct nb_callbacks { int (*rpc)(struct nb_cb_rpc_args *args); /* + * Notification callback. + * + * The callback is called when a YANG notification is received. + * + * args + * Refer to the documentation comments of nb_cb_notify_args for + * details. + */ + void (*notify)(struct nb_cb_notify_args *args); + + /* * Optional callback to compare the data nodes when printing * the CLI commands associated with them. * @@ -786,6 +810,7 @@ DECLARE_HOOK(nb_client_debug_set_all, (uint32_t flags, bool set), (flags, set)); extern struct debug nb_dbg_cbs_config; extern struct debug nb_dbg_cbs_state; extern struct debug nb_dbg_cbs_rpc; +extern struct debug nb_dbg_cbs_notify; extern struct debug nb_dbg_notif; extern struct debug nb_dbg_events; extern struct debug nb_dbg_libyang; @@ -814,6 +839,8 @@ extern const void *nb_callback_lookup_next(const struct nb_node *nb_node, extern int nb_callback_rpc(const struct nb_node *nb_node, const char *xpath, const struct list *input, struct list *output, char *errmsg, size_t errmsg_len); +extern void nb_callback_notify(const struct nb_node *nb_node, const char *xpath, + struct lyd_node *dnode); /* * Create a northbound node for all YANG schema nodes. diff --git a/lib/northbound_cli.c b/lib/northbound_cli.c index 0358a0f377..8809ec2ad8 100644 --- a/lib/northbound_cli.c +++ b/lib/northbound_cli.c @@ -25,6 +25,7 @@ struct debug nb_dbg_cbs_config = {0, "Northbound callbacks: configuration"}; struct debug nb_dbg_cbs_state = {0, "Northbound callbacks: state"}; struct debug nb_dbg_cbs_rpc = {0, "Northbound callbacks: RPCs"}; +struct debug nb_dbg_cbs_notify = {0, "Northbound callbacks: notifications"}; struct debug nb_dbg_notif = {0, "Northbound notifications"}; struct debug nb_dbg_events = {0, "Northbound events"}; struct debug nb_dbg_libyang = {0, "libyang debugging"}; @@ -1772,13 +1773,15 @@ DEFPY (rollback_config, /* Debug CLI commands. */ static struct debug *nb_debugs[] = { &nb_dbg_cbs_config, &nb_dbg_cbs_state, &nb_dbg_cbs_rpc, - &nb_dbg_notif, &nb_dbg_events, &nb_dbg_libyang, + &nb_dbg_cbs_notify, &nb_dbg_notif, &nb_dbg_events, + &nb_dbg_libyang, }; static const char *const nb_debugs_conflines[] = { "debug northbound callbacks configuration", "debug northbound callbacks state", "debug northbound callbacks rpc", + "debug northbound callbacks notify", "debug northbound notifications", "debug northbound events", "debug northbound libyang", @@ -1803,7 +1806,7 @@ DEFPY (debug_nb, debug_nb_cmd, "[no] debug northbound\ [<\ - callbacks$cbs [{configuration$cbs_cfg|state$cbs_state|rpc$cbs_rpc}]\ + callbacks$cbs [{configuration$cbs_cfg|state$cbs_state|rpc$cbs_rpc|notify$cbs_notify}]\ |notifications$notifications\ |events$events\ |libyang$libyang\ @@ -1816,13 +1819,14 @@ DEFPY (debug_nb, "State\n" "RPC\n" "Notifications\n" + "Notifications\n" "Events\n" "libyang debugging\n") { uint32_t mode = DEBUG_NODE2MODE(vty->node); if (cbs) { - bool none = (!cbs_cfg && !cbs_state && !cbs_rpc); + bool none = (!cbs_cfg && !cbs_state && !cbs_rpc && !cbs_notify); if (none || cbs_cfg) DEBUG_MODE_SET(&nb_dbg_cbs_config, mode, !no); @@ -1830,6 +1834,8 @@ DEFPY (debug_nb, DEBUG_MODE_SET(&nb_dbg_cbs_state, mode, !no); if (none || cbs_rpc) DEBUG_MODE_SET(&nb_dbg_cbs_rpc, mode, !no); + if (none || cbs_notify) + DEBUG_MODE_SET(&nb_dbg_cbs_notify, mode, !no); } if (notifications) DEBUG_MODE_SET(&nb_dbg_notif, mode, !no); diff --git a/lib/sockopt.c b/lib/sockopt.c index b9b9a71167..74bc034ccd 100644 --- a/lib/sockopt.c +++ b/lib/sockopt.c @@ -672,6 +672,9 @@ int sockopt_tcp_mss_get(int sock) int tcp_maxseg = 0; socklen_t tcp_maxseg_len = sizeof(tcp_maxseg); + if (sock < 0) + return 0; + ret = getsockopt(sock, IPPROTO_TCP, TCP_MAXSEG, &tcp_maxseg, &tcp_maxseg_len); if (ret != 0) { @@ -232,10 +232,6 @@ struct vty { uintptr_t mgmt_req_pending_data; bool mgmt_locked_candidate_ds; bool mgmt_locked_running_ds; - /* Need to track when we file-lock in vtysh to re-lock on end/conf t - * workaround - */ - bool vtysh_file_locked; }; static inline void vty_push_context(struct vty *vty, int node, uint64_t id) diff --git a/lib/yang.c b/lib/yang.c index adf2ba2ab0..ff7df0b379 100644 --- a/lib/yang.c +++ b/lib/yang.c @@ -714,6 +714,52 @@ static void ly_log_cb(LY_LOG_LEVEL level, const char *msg, const char *path) zlog(priority, "libyang: %s", msg); } +LY_ERR yang_parse_notification(LYD_FORMAT format, const char *data, + struct lyd_node **notif) +{ + struct lyd_node *tree, *dnode; + struct ly_in *in = NULL; + bool found = false; + LY_ERR err; + + err = ly_in_new_memory(data, &in); + if (err) { + zlog_err("Failed to initialize ly_in: %s", ly_last_errmsg()); + return err; + } + + err = lyd_parse_op(ly_native_ctx, NULL, in, format, LYD_TYPE_NOTIF_YANG, + &tree, NULL); + if (err) { + zlog_err("Failed to parse notification: %s", ly_last_errmsg()); + ly_in_free(in, 0); + return err; + } + + /* + * Notification can be a child of some data node, so traverse the tree + * until we find the notification. + */ + LYD_TREE_DFS_BEGIN (tree, dnode) { + if (dnode->schema->nodetype == LYS_NOTIF) { + found = true; + break; + } + LYD_TREE_DFS_END(tree, dnode); + } + + if (!found) { + zlog_err("Notification not found in the parsed tree"); + lyd_free_all(tree); + ly_in_free(in, 0); + return LY_ENOTFOUND; + } + + *notif = dnode; + + return LY_SUCCESS; +} + static ssize_t yang_print_darr(void *arg, const void *buf, size_t count) { uint8_t *dst = darr_append_n(*(uint8_t **)arg, count); diff --git a/lib/yang.h b/lib/yang.h index 4ed0a39ba4..9c221445cd 100644 --- a/lib/yang.h +++ b/lib/yang.h @@ -607,6 +607,19 @@ extern struct ly_ctx *yang_ctx_new_setup(bool embedded_modules, */ extern void yang_debugging_set(bool enable); +/* + * Parse a YANG notification. + * + * Args: + * format: LYD_FORMAT of input data. + * data: input data. + * notif: pointer to the libyang data tree to store the parsed notification. + * If the notification is not on the top level of the yang model, + * the pointer to the notification node is still returned, but it's + * part of the full data tree with all its parents. + */ +extern LY_ERR yang_parse_notification(LYD_FORMAT format, const char *data, + struct lyd_node **notif); /* * "Print" the yang tree in `root` into dynamic sized array. |