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cfg.c
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cfg.c
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#include "config.h"
#include "cfg.h"
#include "knet.h"
#include "utils.h"
static void free_knet_ip(struct knet_cfg_ip *knet_ip)
{
if (knet_ip->ipaddr)
free(knet_ip->ipaddr);
if (knet_ip->prefix)
free(knet_ip->prefix);
if (knet_ip)
free(knet_ip);
}
struct knet_cfg_ip *knet_get_ip(struct knet_cfg *knet_iface,
const char *ipaddr, const char *prefix,
const int create)
{
int found = 0, err = 0;
struct knet_cfg_ip *knet_ip = knet_iface->cfg_eth.knet_ip;
while (knet_ip != NULL) {
if ((!strcmp(knet_ip->ipaddr, ipaddr)) && (!strcmp(knet_ip->prefix, prefix))) {
found = 1;
break;
}
knet_ip = knet_ip->next;
}
if ((!found) && (create)) {
knet_ip = malloc(sizeof(struct knet_cfg_ip));
if (!knet_ip)
goto out_clean;
memset(knet_ip, 0, sizeof(struct knet_cfg_ip));
knet_ip->ipaddr = strdup(ipaddr);
if (!knet_ip->ipaddr) {
err = -1;
goto out_clean;
}
knet_ip->prefix = strdup(prefix);
if (!knet_ip->prefix) {
err = -1;
goto out_clean;
}
knet_ip->next = knet_iface->cfg_eth.knet_ip;
knet_iface->cfg_eth.knet_ip = knet_ip;
}
out_clean:
if (err) {
free_knet_ip(knet_ip);
knet_ip = NULL;
}
return knet_ip;
}
void knet_destroy_ip(struct knet_cfg *knet_iface, struct knet_cfg_ip *knet_ip)
{
struct knet_cfg_ip *knet_ip_tmp = knet_iface->cfg_eth.knet_ip;
struct knet_cfg_ip *knet_ip_prev = knet_iface->cfg_eth.knet_ip;
while (knet_ip_tmp != knet_ip) {
knet_ip_prev = knet_ip_tmp;
knet_ip_tmp = knet_ip_tmp->next;
}
if (knet_ip_tmp == knet_ip) {
if (knet_ip_tmp == knet_ip_prev) {
knet_iface->cfg_eth.knet_ip = knet_ip_tmp->next;
} else {
knet_ip_prev->next = knet_ip_tmp->next;
}
free_knet_ip(knet_ip);
knet_ip = NULL;
}
return;
}
struct knet_cfg_ip *knet_get_listener(struct knet_cfg *knet_iface,
const char *name,
const char *ipaddr, const char *prefix,
const int create)
{
return NULL;
}
int knet_destroy_listener(struct knet_cfg *knet_iface, char *name)
{
return 0;
}
struct knet_cfg *knet_get_iface(const char *name, int create)
{
struct knet_cfg *knet_iface = knet_cfg_head.knet_cfg;
int found = 0;
while (knet_iface != NULL) {
if (!strcmp(knet_iface->cfg_eth.name, name)) {
found = 1;
break;
}
knet_iface = knet_iface->next;
}
if ((!found) && (create)) {
knet_iface = malloc(sizeof(struct knet_cfg));
if (!knet_iface)
goto out_clean;
memset(knet_iface, 0, sizeof(struct knet_cfg));
memcpy(knet_iface->cfg_eth.name, name,
sizeof(knet_iface->cfg_eth.name));
knet_iface->cfg_ring.base_port = KNET_RING_DEFPORT;
knet_iface->next = knet_cfg_head.knet_cfg;
knet_cfg_head.knet_cfg = knet_iface;
}
out_clean:
return knet_iface;
}
void knet_destroy_iface(struct knet_cfg *knet_iface)
{
struct knet_cfg *knet_iface_tmp = knet_cfg_head.knet_cfg;
struct knet_cfg *knet_iface_prev = knet_cfg_head.knet_cfg;
while (knet_iface_tmp != knet_iface) {
knet_iface_prev = knet_iface_tmp;
knet_iface_tmp = knet_iface_tmp->next;
}
if (knet_iface_tmp == knet_iface) {
if (knet_iface_tmp == knet_iface_prev) {
knet_cfg_head.knet_cfg = knet_iface_tmp->next;
} else {
knet_iface_prev->next = knet_iface_tmp->next;
}
free(knet_iface);
}
}

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