amxs_common.c

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#ifndef _GNU_SOURCE
#define _GNU_SOURCE
#endif
 
#include <stdlib.h>
#include <string.h>
 
#include <amxc/amxc.h>
 
#include <amxs/amxs_types.h>
 
#include "amxs_priv.h"
 
static int amxs_validate_attributes_single(int attr) {
    int ret = -1;
 
    if(((attr & AMXS_SYNC_ONLY_A_TO_B) != 0) &&
       ((attr & AMXS_SYNC_ONLY_B_TO_A) != 0)) {
        goto exit;
    }
 
    if(((attr & AMXS_SYNC_ONLY_A_TO_B) != 0) &&
       ((attr & AMXS_SYNC_INIT_B) != 0)) {
        goto exit;
    }
 
    if(((attr & AMXS_SYNC_ONLY_B_TO_A) != 0) &&
       ((attr & AMXS_SYNC_INIT_B) == 0)) {
        goto exit;
    }
 
    ret = 0;
 
exit:
    return ret;
}
 
static int amxs_validate_attributes_hierarchy(int parent_attr, int child_attr) {
    int ret = -1;
 
    if(((parent_attr & AMXS_SYNC_ONLY_B_TO_A) != 0) &&
       ((child_attr & AMXS_SYNC_ONLY_A_TO_B) != 0)) {
        goto exit;
    }
 
    if(((parent_attr & AMXS_SYNC_ONLY_A_TO_B) != 0) &&
       ((child_attr & AMXS_SYNC_ONLY_B_TO_A) != 0)) {
        goto exit;
    }
 
    ret = 0;
 
exit:
    return ret;
}
 
amxs_status_t amxs_validate_attributes(int parent_attr, int child_attr) {
    amxs_status_t status = amxs_status_invalid_attr;
 
    when_failed(amxs_validate_attributes_single(parent_attr), exit);
    when_failed(amxs_validate_attributes_single(child_attr), exit);
    when_failed(amxs_validate_attributes_hierarchy(parent_attr, child_attr), exit);
 
    status = amxs_status_ok;
 
exit:
    return status;
}
 
amxs_status_t amxs_update_child_attributes(int parent_attr, int* child_attr) {
    amxs_status_t status = amxs_status_invalid_attr;
    when_null(child_attr, exit);
 
    *child_attr |= (parent_attr & (AMXS_SYNC_ONLY_A_TO_B | AMXS_SYNC_ONLY_B_TO_A));
 
    if((*child_attr & AMXS_SYNC_ONLY_B_TO_A) != 0) {
        *child_attr |= AMXS_SYNC_INIT_B;
    }
 
    status = amxs_status_ok;
 
exit:
    return status;
}
 
void amxs_llist_it_delete_subscription(amxc_llist_it_t* it) {
    amxb_subscription_t* sub = amxc_container_of(it, amxb_subscription_t, it);
 
    amxb_subscription_delete(&sub);
}