amxb_priv.h File Reference

#include <amxc/amxc_macros.h>

Go to the source code of this file.

Data Structures
struct	_sub
struct	_req

Macros
#define	amxb_is_valid_be_func(ft, member, ptr)    (ft != NULL && offsetof(amxb_be_funcs_t, member) < ft->size && ptr != NULL)

Typedefs
typedef struct _sub	amxb_sub_t
typedef struct _req	amxb_req_t

Functions
void PRIVATE	amxb_dm_event_to_object_event (const char *const sig_name, const amxc_var_t *const data, void *const priv)
amxd_object_t *	amxb_fetch_local_object (amxb_bus_ctx_t *ctx, const char *object)
bool PRIVATE	amxb_is_local_object (amxb_bus_ctx_t *ctx, const char *obj_path)
int PRIVATE	amxb_subscription_remove (amxb_subscription_t *subscription)
int PRIVATE	amxb_set_impl (amxb_bus_ctx_t *const bus_ctx, const char *object, uint32_t flags, amxc_var_t *values, amxc_var_t *ovalues, amxc_var_t *ret, int timeout)
int PRIVATE	amxb_follow_reference (amxb_bus_ctx_t *const bus_ctx, amxd_path_t *reference, int timeout)
uint32_t PRIVATE	amxb_be_get_capabilities (amxb_bus_ctx_t *bus_ctx)
amxb_bus_ctx_t *	amxb_be_who_has_impl (const char *object_path, bool full_match)

Macro Definition Documentation

amxb_is_valid_be_func

#define amxb_is_valid_be_func	(		ft,
			member,
			ptr
	)		(ft != NULL && offsetof(amxb_be_funcs_t, member) < ft->size && ptr != NULL)

Definition at line 78 of file amxb_priv.h.

Typedef Documentation

amxb_req_t

typedef struct _req amxb_req_t

amxb_sub_t

typedef struct _sub amxb_sub_t

Function Documentation

amxb_be_get_capabilities()

uint32_t PRIVATE amxb_be_get_capabilities

(

amxb_bus_ctx_t *

bus_ctx

)

Definition at line 157 of file amxb_ba_priv.c.

                                                           {
    uint32_t caps = AMXB_BE_DISCOVER_DESCRIBE | AMXB_BE_DISCOVER_LIST | AMXB_BE_DISCOVER_RESOLVE;
    const amxb_be_funcs_t* fns = NULL;
 
    when_null(bus_ctx, exit);
    fns = bus_ctx->bus_fn;
 
    if(amxb_is_valid_be_func(fns, capabilities, fns->capabilities)) {
        caps = fns->capabilities(bus_ctx->bus_ctx);
    }
 
exit:
    return caps;
}

amxb_be_who_has_impl()

amxb_bus_ctx_t* amxb_be_who_has_impl	(	const char *	object_path,
		bool	full_match
	)

Definition at line 257 of file amxb_backend_mngr.c.

                                                                               {
    amxb_bus_ctx_t* ctx = NULL;
    amxc_htable_it_t* cache_hit = NULL;
    amxb_who_has_cache_t* cache = NULL;
 
    when_str_empty(object_path, exit);
    when_true(strcmp(object_path, ".") == 0, exit);
 
    cache_hit = amxc_htable_get(&amxb_cache_table, object_path);
    if(cache_hit != NULL) {
        cache = amxc_container_of(cache_hit, amxb_who_has_cache_t, hit);
        ctx = cache->ctx;
        amxc_llist_prepend(&amxb_cache_list, &cache->lit);
        goto exit;
    }
 
    amxc_htable_for_each(hit, &amxb_backends) {
        amxb_be_funcs_t* funcs = amxc_htable_it_get_data(hit, amxb_be_funcs_t, it);
        ctx = amxb_be_find_connection(&funcs->connections, object_path, full_match);
        if(ctx == NULL) {
            continue;
        }
        if(amxb_cache_size == 0) {
            break;
        }
        if(amxc_htable_size(&amxb_cache_table) >= amxb_cache_size) {
            amxc_llist_it_t* it = amxc_llist_take_last(&amxb_cache_list);
            if(it != NULL) {
                cache = amxc_container_of(it, amxb_who_has_cache_t, lit);
                amxc_htable_it_clean(&cache->hit, NULL);
                free(cache);
            }
        }
 
        cache = (amxb_who_has_cache_t*) calloc(1, sizeof(amxb_who_has_cache_t));
        when_null(cache, exit);
        cache->ctx = ctx;
        amxc_htable_insert(&amxb_cache_table, object_path, &cache->hit);
        amxc_llist_prepend(&amxb_cache_list, &cache->lit);
        break;
    }
 
exit:
    return ctx;
}

amxb_dm_event_to_object_event()

void PRIVATE amxb_dm_event_to_object_event	(	const char *const	sig_name,
		const amxc_var_t *const	data,
		void *const	priv
	)

Definition at line 76 of file amxb_ba_priv.c.

                                                     {
    amxc_htable_it_t* sub_hit = (amxc_htable_it_t*) priv;
    const char* subscriber_object = amxc_htable_it_get_key(sub_hit);
    amxb_bus_ctx_t* ctx = amxc_container_of(sub_hit->ait->array, amxb_bus_ctx_t, subscriptions);
 
    amxc_var_add_key(cstring_t, (amxc_var_t*) data, "notification", sig_name);
    amxp_sigmngr_emit_signal(&ctx->sigmngr, subscriber_object, data);
}

amxb_fetch_local_object()

amxd_object_t* amxb_fetch_local_object	(	amxb_bus_ctx_t *	ctx,
		const char *	object
	)

Definition at line 87 of file amxb_ba_priv.c.

                                                             {
    amxd_dm_t* dm = ctx->dm;
    amxd_object_t* object = amxd_dm_findf(dm, "%s", obj_path);
    return object;
}

amxb_follow_reference()

int PRIVATE amxb_follow_reference	(	amxb_bus_ctx_t *const	bus_ctx,
		amxd_path_t *	reference,
		int	timeout
	)

Definition at line 116 of file amxb_ba_priv.c.

                                       {
    int retval = amxd_status_unknown_error;
    amxc_var_t resolved;
    char* ref = amxd_path_get_reference_part(reference, true);
    uint32_t index = amxd_path_get_reference_index(reference);
    amxd_path_t ref_path;
    amxc_var_t* real_path = NULL;
 
    amxd_path_init(&ref_path, ref);
    amxc_var_init(&resolved);
 
    when_true(index == 0, exit);
    when_str_empty(amxd_path_get_param(&ref_path), exit);
    retval = amxb_get(bus_ctx, ref, 0, &resolved, timeout);
    when_failed(retval, exit);
 
    when_true(amxc_htable_size(amxc_var_constcast(amxc_htable_t, GETP_ARG(&resolved, "0"))) > 1, exit);
 
    real_path = amxc_var_get_pathf(&resolved, AMXC_VAR_FLAG_DEFAULT,
                                   "0.0.%s",
                                   amxd_path_get_param(&ref_path));
 
    amxc_var_cast(real_path, AMXC_VAR_ID_CSV_STRING);
    amxc_var_cast(real_path, AMXC_VAR_ID_LIST);
 
    if(index - 1 >= amxc_llist_size(amxc_var_constcast(amxc_llist_t, real_path))) {
        goto exit;
    }
 
    amxd_path_setf(&ref_path, true, "%s", GETI_CHAR(real_path, index - 1));
    amxd_path_prepend(reference, amxd_path_get(&ref_path, 0));
 
exit:
    amxd_path_clean(&ref_path);
    free(ref);
    amxc_var_clean(&resolved);
    return retval;
}

amxb_is_local_object()

bool PRIVATE amxb_is_local_object	(	amxb_bus_ctx_t *	ctx,
		const char *	obj_path
	)

Definition at line 94 of file amxb_ba_priv.c.

                                                {
    amxd_dm_t* dm = ctx->dm;
    amxd_path_t path;
    amxd_object_t* object = NULL;
 
    amxd_path_init(&path, NULL);
    amxd_path_setf(&path, true, "%s", obj_path);
    when_null(dm, exit);
 
    while(object == NULL && !amxc_string_is_empty(&path.path)) {
        char* part = NULL;
        object = amxd_dm_findf(dm, "%s", amxd_path_get(&path, AMXD_OBJECT_TERMINATE));
        part = amxd_path_get_last(&path, true);
        free(part);
    }
 
exit:
    amxd_path_clean(&path);
    return object != NULL;
}

amxb_set_impl()

int PRIVATE amxb_set_impl	(	amxb_bus_ctx_t *const	bus_ctx,
		const char *	object,
		uint32_t	flags,
		amxc_var_t *	values,
		amxc_var_t *	ovalues,
		amxc_var_t *	ret,
		int	timeout
	)

Definition at line 127 of file amxb_ba_op_set.c.

                               {
    int retval = amxd_status_unknown_error;
    const amxb_be_funcs_t* fns = NULL;
    bool lobject = false;
    amxd_path_t path;
    char* fixed = NULL;
    const char* rel_path = NULL;
 
    amxd_path_init(&path, NULL);
    when_null(bus_ctx, exit);
    when_null(bus_ctx->bus_ctx, exit);
 
    amxd_path_setf(&path, true, "%s", object);
 
    while(amxd_path_get_type(&path) == amxd_path_reference) {
        retval = amxb_follow_reference(bus_ctx, &path, timeout);
        when_failed(retval, exit);
    }
 
    fixed = amxd_path_get_fixed_part(&path, true);
    rel_path = amxd_path_get(&path, AMXD_OBJECT_TERMINATE);
 
    lobject = amxb_is_local_object(bus_ctx, fixed);
    fns = bus_ctx->bus_fn;
 
    if(lobject || !amxb_is_valid_be_func(fns, set, fns->set)) {
        retval = amxb_invoke_set(bus_ctx, fixed, rel_path, flags,
                                 values, ovalues, ret, timeout);
    } else {
        retval = fns->set(bus_ctx->bus_ctx, fixed, rel_path, flags,
                          values, ovalues, bus_ctx->access, ret, timeout);
    }
 
exit:
    free(fixed);
    amxd_path_clean(&path);
    return retval;
}

amxb_subscription_remove()

int PRIVATE amxb_subscription_remove

(

amxb_subscription_t *

subscription

)

Definition at line 172 of file amxb_subscription.c.

                                                                {
    int rv = AMXB_STATUS_OK;
    amxb_sub_t* sub = amxc_container_of(subscription, amxb_sub_t, data);
 
    if(sub->it.llist != NULL) {
        amxb_bus_ctx_t* bus_ctx = NULL;
        bus_ctx = amxc_container_of(sub->it.llist, amxb_bus_ctx_t, client_subs);
        amxc_llist_it_take(&sub->it);
        rv = amxb_unsubscribe(bus_ctx, subscription->object, subscription->slot_cb,
                              subscription->priv);
    }
 
    return rv;
}