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Define internal variables and functions inside micro-service

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This commit is contained in:
Amin Ben Romdhane 2024-06-11 12:06:33 +02:00
parent 38cc4a69bc
commit a19cce88d1
1 changed files with 91 additions and 2 deletions
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93
bbf_plugin/datamodel.c
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@ -157,8 +157,95 @@ static bool is_active_host(const char *mac, json_object *res)
return active;
}
// Get IPv4 address assigned to an interface using ioctl
// return ==> dynamically allocated IPv4 address on success,
// ==> empty string on failure
// Note: Ownership of returned dynamically allocated IPv4 address is with caller
static char *dm_ioctl_get_ipv4(char *interface_name)
{
struct ifreq ifr;
char *ip = "";
int fd;
if (!DM_STRLEN(interface_name))
return ip;
fd = socket(AF_INET, SOCK_DGRAM, 0);
if (fd == -1)
goto exit;
ifr.ifr_addr.sa_family = AF_INET;
DM_STRNCPY(ifr.ifr_name, interface_name, IFNAMSIZ);
if (ioctl(fd, SIOCGIFADDR, &ifr) == -1)
goto exit;
ip = dmstrdup(inet_ntoa(((struct sockaddr_in *)&ifr.ifr_addr )->sin_addr));
exit:
close(fd);
return ip;
}
// Get Global IPv6 address assigned to an interface using ifaddrs
// return ==> dynamically allocated IPv6 address on success,
// ==> empty string on failure
// Note: Ownership of returned dynamically allocated IPv6 address is with caller
static char *dm_ifaddrs_get_global_ipv6(char *interface_name)
{
struct ifaddrs *ifaddr = NULL,*ifa = NULL;
void *in_addr = NULL;
int family, err = 0;
char *ip = "";
if (!DM_STRLEN(interface_name))
return ip;
err = getifaddrs(&ifaddr);
if (err != 0)
return ip;
for (ifa = ifaddr; ifa != NULL; ifa = ifa->ifa_next) {
if (ifa->ifa_addr == NULL || ifa->ifa_name == NULL || strcmp(ifa->ifa_name, interface_name) != 0)
continue;
// Skip this result, if it is not an IPv6 node
family = ifa->ifa_addr->sa_family;
if (family != AF_INET6)
continue;
#define NOT_GLOBAL_UNICAST(addr) \
( (IN6_IS_ADDR_UNSPECIFIED(addr)) || (IN6_IS_ADDR_LOOPBACK(addr)) || \
(IN6_IS_ADDR_MULTICAST(addr)) || (IN6_IS_ADDR_LINKLOCAL(addr)) || \
(IN6_IS_ADDR_SITELOCAL(addr)) )
char buf[INET6_ADDRSTRLEN] = {0};
in_addr = &((struct sockaddr_in6 *)ifa->ifa_addr)->sin6_addr;
// Skip this result, if it is an IPv6 address, but not globally routable
if (NOT_GLOBAL_UNICAST((struct in6_addr *)in_addr))
continue;
inet_ntop(family, in_addr, buf, sizeof(buf));
ip = dmstrdup(buf);
break;
}
if (ifaddr)
freeifaddrs(ifaddr);
return ip;
}
static int browseManageableDevice(struct dmctx *dmctx, DMNODE *parent_node, void *prev_data, char *prev_instance)
{
#define DHCP_CLIENT_OPTIONS_FILE "/var/dhcp.client.options"
FILE *f = fopen(DHCP_CLIENT_OPTIONS_FILE, "r");
if (f == NULL)
return 0;
@ -440,9 +527,9 @@ static void get_management_ip_port(char **listen_addr)
return;
if (DM_STRCMP(ip_version, "6") == 0)
ip = ifaddrs_get_global_ipv6(l3_device);
ip = dm_ifaddrs_get_global_ipv6(l3_device);
else
ip = ioctl_get_ipv4(l3_device);
ip = dm_ioctl_get_ipv4(l3_device);
if (DM_STRLEN(ip) && DM_STRLEN(port))
dmasprintf(listen_addr, !DM_STRCMP(ip_version, "6") ? "[%s]:%s" : "%s:%s", ip, port);
@ -727,6 +814,8 @@ static int get_instance_mode(char *refparam, struct dmctx *ctx, void *data, char
static int set_instance_mode(char *refparam, struct dmctx *ctx, void *data, char *instance, char *value, int action)
{
char *InstanceMode[] = {"InstanceNumber", "InstanceAlias", NULL};
switch (action) {
case VALUECHECK:
if (bbfdm_validate_string(ctx, value, -1, -1, InstanceMode, NULL))