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/* This file is part of Netwib. Read and honor its license.
*/
/*-------------------------------------------------------------*/
netwib_priv_conf_t netwib_priv_conf;
netwib_priv_mutex netwib_priv_conf_mut;
netwib_bool netwib_priv_conf_needtobeupdated = NETWIB_TRUE;
/*-------------------------------------------------------------*/
static netwib_err netwib_priv_conft_init(netwib_priv_conf_t *pct)
{
netwib_er(netwib_ring_init(&netwib_conf_devices_erase, NULL, &pct->pdevices));
netwib_er(netwib_ring_init(&netwib_conf_ip_erase, NULL, &pct->pip));
netwib_er(netwib_ring_init(&netwib_conf_arpcache_erase, NULL, &pct->parpcache));
netwib_er(netwib_ring_init(&netwib_conf_routes_erase, NULL, &pct->proutes));
return(NETWIB_ERR_OK);
}
/*-------------------------------------------------------------*/
static netwib_err netwib_priv_conft_close(netwib_priv_conf_t *pct)
{
netwib_er(netwib_ring_close(&pct->pdevices, NETWIB_TRUE));
netwib_er(netwib_ring_close(&pct->pip, NETWIB_TRUE));
netwib_er(netwib_ring_close(&pct->parpcache, NETWIB_TRUE));
netwib_er(netwib_ring_close(&pct->proutes, NETWIB_TRUE));
return(NETWIB_ERR_OK);
}
/*-------------------------------------------------------------*/
static netwib_err netwib_priv_conft_add_confwork(netwib_priv_confwork *pcw,
netwib_priv_conf_t *pc)
{
netwib_priv_confwork_devices *pcwd;
netwib_priv_confwork_ip *pcwi;
netwib_priv_confwork_arpcache *pcwa;
netwib_priv_confwork_routes *pcwr;
netwib_conf_devices *pcd;
netwib_conf_ip *pci;
netwib_conf_arpcache *pca;
netwib_conf_routes *pcr;
netwib_ring_index *pringindex;
netwib_err ret;
netwib_er(netwib_ring_index_init(pcw->pdevices, &pringindex));
ret = NETWIB_ERR_OK;
while (NETWIB_TRUE) {
ret = netwib_ring_index_next(pringindex, (netwib_ptr*)&pcwd);
if (ret != NETWIB_ERR_OK) {
if (ret == NETWIB_ERR_DATAEND) ret = NETWIB_ERR_OK;
break;
}
ret = netwib_conf_devices_init(&pcd);
if (ret != NETWIB_ERR_OK) {
break;
}
pcd->devnum = pcwd->devnum;
netwib_er(netwib_buf_append_buf(&pcwd->device, &pcd->device));
netwib_er(netwib_buf_append_buf(&pcwd->deviceeasy, &pcd->deviceeasy));
pcd->mtu = pcwd->mtu;
pcd->hwtype = pcwd->hwtype;
pcd->eth = pcwd->eth;
ret = netwib_conf_devices_add(pc, pcd);
if (ret != NETWIB_ERR_OK) {
break;
}
}
netwib_er(netwib_ring_index_close(&pringindex));
if (ret != NETWIB_ERR_OK) {
return(ret);
}
netwib_er(netwib_ring_index_init(pcw->pip, &pringindex));
ret = NETWIB_ERR_OK;
while (NETWIB_TRUE) {
ret = netwib_ring_index_next(pringindex, (netwib_ptr*)&pcwi);
if (ret != NETWIB_ERR_OK) {
if (ret == NETWIB_ERR_DATAEND) ret = NETWIB_ERR_OK;
break;
}
ret = netwib_conf_ip_init(&pci);
if (ret != NETWIB_ERR_OK) {
break;
}
pci->devnum = pcwi->devnum;
pci->ip = pcwi->ip;
pci->mask = pcwi->mask;
pci->prefix = pcwi->prefix;
pci->ispointtopoint = pcwi->ispointtopoint;
pci->pointtopointip = pcwi->pointtopointip;
ret = netwib_conf_ip_add(pc, pci);
if (ret != NETWIB_ERR_OK) {
break;
}
}
netwib_er(netwib_ring_index_close(&pringindex));
if (ret != NETWIB_ERR_OK) {
return(ret);
}
netwib_er(netwib_ring_index_init(pcw->parpcache, &pringindex));
ret = NETWIB_ERR_OK;
while (NETWIB_TRUE) {
ret = netwib_ring_index_next(pringindex, (netwib_ptr*)&pcwa);
if (ret != NETWIB_ERR_OK) {
if (ret == NETWIB_ERR_DATAEND) ret = NETWIB_ERR_OK;
break;
}
ret = netwib_conf_arpcache_init(&pca);
if (ret != NETWIB_ERR_OK) {
break;
}
pca->devnum = pcwa->devnum;
pca->eth = pcwa->eth;
pca->ip = pcwa->ip;
ret = netwib_conf_arpcache_addi(pc, pca);
if (ret != NETWIB_ERR_OK) {
break;
}
}
netwib_er(netwib_ring_index_close(&pringindex));
if (ret != NETWIB_ERR_OK) {
return(ret);
}
netwib_er(netwib_ring_index_init(pcw->proutes, &pringindex));
ret = NETWIB_ERR_OK;
while (NETWIB_TRUE) {
ret = netwib_ring_index_next(pringindex, (netwib_ptr*)&pcwr);
if (ret != NETWIB_ERR_OK) {
if (ret == NETWIB_ERR_DATAEND) ret = NETWIB_ERR_OK;
break;
}
ret = netwib_conf_routes_init(&pcr);
if (ret != NETWIB_ERR_OK) {
break;
}
pcr->devnum = pcwr->devnum;
pcr->dst = pcwr->dst;
pcr->mask = pcwr->mask;
pcr->prefix = pcwr->prefix;
pcr->srcset = pcwr->srcset;
pcr->src = pcwr->src;
pcr->gwset = pcwr->gwset;
pcr->gw = pcwr->gw;
pcr->metric = pcwr->metric;
ret = netwib_conf_routes_add(pc, pcr);
if (ret != NETWIB_ERR_OK) {
break;
}
}
netwib_er(netwib_ring_index_close(&pringindex));
if (ret != NETWIB_ERR_OK) {
return(ret);
}
return(NETWIB_ERR_OK);
}
/*-------------------------------------------------------------*/
static netwib_err netwib_priv_conft_swap(netwib_priv_conf_t *pcsrc,
netwib_priv_conf_t *pcdst)
{
netwib_ring *p;
p = pcdst->pdevices;
pcdst->pdevices = pcsrc->pdevices;
pcsrc->pdevices = p;
p = pcdst->pip;
pcdst->pip = pcsrc->pip;
pcsrc->pip = p;
p = pcdst->parpcache;
pcdst->parpcache = pcsrc->parpcache;
pcsrc->parpcache = p;
p = pcdst->proutes;
pcdst->proutes = pcsrc->proutes;
pcsrc->proutes = p;
return(NETWIB_ERR_OK);
}
/*-------------------------------------------------------------*/
/*-------------------------------------------------------------*/
/*-------------------------------------------------------------*/
netwib_err netwib_priv_conf_rdlock(void)
{
return(netwib_priv_mutex_rdlock(&netwib_priv_conf_mut));
}
/*-------------------------------------------------------------*/
netwib_err netwib_priv_conf_rdunlock(void)
{
return(netwib_priv_mutex_rdunlock(&netwib_priv_conf_mut));
}
/*-------------------------------------------------------------*/
netwib_err netwib_priv_conf_wrlock(void)
{
return(netwib_priv_mutex_wrlock(&netwib_priv_conf_mut));
}
/*-------------------------------------------------------------*/
netwib_err netwib_priv_conf_wrunlock(void)
{
return(netwib_priv_mutex_wrunlock(&netwib_priv_conf_mut));
}
/*-------------------------------------------------------------*/
netwib_err netwib_priv_conf_init(void)
{
netwib_priv_conf_needtobeupdated = NETWIB_TRUE;
netwib_er(netwib_priv_conft_init(&netwib_priv_conf));
netwib_er(netwib_priv_mutex_init(&netwib_priv_conf_mut));
return(NETWIB_ERR_OK);
}
/*-------------------------------------------------------------*/
netwib_err netwib_priv_conf_close(void)
{
netwib_priv_conf_needtobeupdated = NETWIB_TRUE;
netwib_er(netwib_priv_conft_close(&netwib_priv_conf));
netwib_er(netwib_priv_mutex_close(&netwib_priv_conf_mut));
return(NETWIB_ERR_OK);
}
/*-------------------------------------------------------------*/
netwib_err netwib_priv_conf_update(void)
{
netwib_priv_conf_t ct;
netwib_priv_confwork cw;
netwib_bool ctset;
netwib_err ret;
netwib_er(netwib_priv_confwork_init(&cw));
ctset = NETWIB_FALSE;
netwib_eg(netwib_priv_confwork_obtain(&cw, NETWIB_FALSE, NULL));
netwib_eg(netwib_priv_conft_init(&ct));
ctset = NETWIB_TRUE;
netwib_eg(netwib_priv_conft_add_confwork(&cw, &ct));
netwib_er(netwib_priv_conf_wrlock());
ret = netwib_priv_conft_swap(&ct, &netwib_priv_conf);
if (ret == NETWIB_ERR_OK) {
netwib_priv_conf_needtobeupdated = NETWIB_FALSE;
}
netwib_er(netwib_priv_conf_wrunlock());
netwib_gotolabel:
if (ctset) {
netwib_er(netwib_priv_conft_close(&ct));
}
netwib_er(netwib_priv_confwork_close(&cw));
return(ret);
}
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