diff options
| -rw-r--r-- | libdleyna/server/device.c | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/libdleyna/server/device.c b/libdleyna/server/device.c index 2bb9901..b09814a 100644 --- a/libdleyna/server/device.c +++ b/libdleyna/server/device.c @@ -22,6 +22,15 @@ #include <string.h> #include <stdint.h> +#include <stdio.h> +#include <stdlib.h> +#include <unistd.h> +#include <netdb.h> +#include <ifaddrs.h> +#include <arpa/inet.h> +#include <sys/socket.h> +#include <net/if.h> + #include <libgupnp/gupnp-error.h> #include <libgupnp-dlna/gupnp-dlna-profile.h> #include <libgupnp-dlna/gupnp-dlna-profile-guesser.h> @@ -5996,6 +6005,70 @@ on_complete: return error; } +static gboolean prv_get_interface_ip_address(struct sockaddr *sock_address, + gchar *host) +{ + socklen_t sock_len; + gint family; + gboolean res = FALSE; + + family = sock_address->sa_family; + + if (family != AF_INET && family != AF_INET6) + goto on_exit; + + if (family == AF_INET) + sock_len = sizeof(struct sockaddr_in); + else + sock_len = sizeof(struct sockaddr_in6); + + if (getnameinfo(sock_address, sock_len, host, + NI_MAXHOST, NULL, 0, NI_NUMERICHOST) == 0) { + if (family == AF_INET6) + inet_ntop(AF_INET6, &sock_address, host, NI_MAXHOST); + + res = TRUE; + } + +on_exit: + return res; +} + +static gchar *prv_get_broadcast_ip_address(gchar *ip_address) +{ + struct ifaddrs *ifaddr; + struct ifaddrs *ifa; + char host[NI_MAXHOST]; + gchar *broadcast_ip_address = NULL; + + if (getifaddrs(&ifaddr) == -1) { + DLEYNA_LOG_WARNING("Failed to call getifaddrs"); + goto on_exit; + } + + ifa = ifaddr; + for (ifa = ifaddr; ifa != NULL; ifa = ifa->ifa_next) { + if ((ifa->ifa_addr == NULL) || + (!prv_get_interface_ip_address(ifa->ifa_addr, host)) || + strcmp(host, ip_address)) + continue; + + if ((ifa->ifa_flags & IFF_BROADCAST) && + (ifa->ifa_ifu.ifu_broadaddr != NULL) && + prv_get_interface_ip_address(ifa->ifa_ifu.ifu_broadaddr, + host)) { + broadcast_ip_address = g_strdup(host); + + break; + } + } + + freeifaddrs(ifaddr); + +on_exit: + + return broadcast_ip_address; +} void dls_device_wake(dls_client_t *client, dls_task_t *task) { @@ -6010,6 +6083,7 @@ void dls_device_wake(dls_client_t *client, dls_task_t *task) gsize packet_len; guint8 *packet = NULL; gchar *wake_on_ip_address; + gchar *broadcast_ip_address = NULL; DLEYNA_LOG_DEBUG("Enter"); @@ -6058,6 +6132,18 @@ void dls_device_wake(dls_client_t *client, dls_task_t *task) DLEYNA_LOG_DEBUG("Context IP Address = %s", context->ip_address); DLEYNA_LOG_DEBUG("Wake ON IP Address = %s", wake_on_ip_address); + if (broadcast) { + broadcast_ip_address = prv_get_broadcast_ip_address( + context->ip_address); + + if (broadcast_ip_address != NULL) { + wake_on_ip_address = broadcast_ip_address; + + DLEYNA_LOG_DEBUG("Use Broadcast IP Address = %s", + broadcast_ip_address); + } + } + host_inet_address = g_inet_address_new_from_string(wake_on_ip_address); if (host_inet_address == NULL) { @@ -6112,6 +6198,8 @@ on_complete: (void) g_idle_add(dls_async_task_complete, cb_data); on_exit: + g_free(broadcast_ip_address); + DLEYNA_LOG_DEBUG("Exit"); return; |