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Diffstat (limited to 'src/sydra.c')
-rw-r--r--src/sydra.c121
1 files changed, 2 insertions, 119 deletions
diff --git a/src/sydra.c b/src/sydra.c
index 680836d..44abc38 100644
--- a/src/sydra.c
+++ b/src/sydra.c
@@ -53,6 +53,8 @@
#include "daemon.h"
#include "utils.h"
#include "pipelines.h"
+#include "udp.h"
+
static gboolean sig_handler_terminate(gpointer user_data)
{
@@ -163,125 +165,6 @@ static gboolean bus_call(GstBus *bus, GstMessage *msg, gpointer data)
return TRUE;
}
-
-
-
-
-static void udp_add_client(struct sockaddr_storage *addr, socklen_t addrlen, struct udp_sink* sink)
-{
- struct addr_port* client = g_new(struct addr_port, 1);
- if(!client) return;
-
- switch(addr->ss_family)
- {
- case AF_INET: client->type_ = IPv4; client->port_ = ntohs(((struct sockaddr_in*)addr)->sin_port); break;
- case AF_INET6: client->type_ = IPv6; client->port_ = ntohs(((struct sockaddr_in6*)addr)->sin6_port); break;
- default: return;
- }
-
- int errcode = getnameinfo((struct sockaddr *)addr, addrlen, client->addr_, sizeof(client->addr_), NULL, 0, NI_NUMERICHOST | NI_NUMERICSERV);
- if (errcode != 0) {
- log_printf(WARNING, "getnameinfo() error: %s", gai_strerror(errcode));
- return;
- }
- gchar* name = gst_element_get_name(sink->udp_);
- if(!g_list_find_custom(sink->clients_, client, cmp_addr_port)) {
- log_printf(INFO, "adding host %s%c%d to list of receivers for element %s", client->addr_, client->type_ == IPv4 ? ':' : '.', client->port_, name);
- g_signal_emit_by_name(G_OBJECT(sink->udp_), "add", client->addr_, client->port_, NULL);
- sink->clients_ = g_list_append(sink->clients_, client);
- } else {
- log_printf(DEBUG, "not adding host %s%c%d to list of receivers for element %s - already added", client->addr_, client->type_ == IPv4 ? ':' : '.', client->port_, name);
- g_free(client);
- }
- g_free(name);
-}
-
-static void udp_remove_client(struct sockaddr_storage *addr, socklen_t addrlen, struct udp_sink* sink)
-{
- // TODO: implement this!
- gchar* name = gst_element_get_name(sink->udp_);
- log_printf(ERROR, "removing client from %s failed! - removing not yet implemented!", name);
- g_free(name);
-}
-
-#define UDP_PROTO_MAGIC "SYDRA:"
-#define UDP_PROTO_MAGIC_LEN (sizeof(UDP_PROTO_MAGIC)-1)
-#define UDP_PROTO_CMD_ADD_CLIENT "add_client\n"
-#define UDP_PROTO_CMD_ADD_CLIENT_LEN (sizeof(UDP_PROTO_CMD_ADD_CLIENT)-1)
-#define UDP_PROTO_CMD_RM_CLIENT "remove_client\n"
-#define UDP_PROTO_CMD_RM_CLIENT_LEN (sizeof(UDP_PROTO_CMD_RM_CLIENT)-1)
-
-static gboolean on_udp_desc_ready(gint fd, GIOCondition cond, gpointer user_data)
-{
- struct udp_sink* sink = (struct udp_sink*)user_data;
- if(!sink || !(sink->udp_)) {
- log_printf(WARNING, "File descriptor %d is ready for reading - but supplied element is NULL removing callback", fd);
- return FALSE;
- }
-
- struct sockaddr_storage addr;
- socklen_t addrlen = sizeof(addr);
- u_int8_t buf[2048];
- ssize_t bytes = recvfrom(fd, buf, sizeof(buf), 0, (struct sockaddr *)&addr, &addrlen);
- if(bytes < 1) {
- if(errno == EINTR)
- return TRUE;
-
- log_printf(WARNING, "Error while receiving UDP data on fd %d, will remove callback", fd);
- return FALSE;
- }
-
- if(bytes < UDP_PROTO_MAGIC_LEN || memcmp(UDP_PROTO_MAGIC, buf, UDP_PROTO_MAGIC_LEN)) {
- log_printf(DEBUG, "client discovery: ignoring invalid incoming packet");
- return TRUE;
- }
-
- u_int8_t* cmd = &(buf[UDP_PROTO_MAGIC_LEN]);
- if(bytes == (UDP_PROTO_MAGIC_LEN+UDP_PROTO_CMD_ADD_CLIENT_LEN) &&
- !memcmp(UDP_PROTO_CMD_ADD_CLIENT, cmd, UDP_PROTO_CMD_ADD_CLIENT_LEN)) {
- udp_add_client(&addr, addrlen, sink);
- } else if(bytes == (UDP_PROTO_MAGIC_LEN+UDP_PROTO_CMD_RM_CLIENT_LEN) &&
- !memcmp(UDP_PROTO_CMD_RM_CLIENT, cmd, UDP_PROTO_CMD_RM_CLIENT_LEN)) {
- udp_remove_client(&addr, addrlen, sink);
- } else {
- log_printf(DEBUG, "client discovery: ignoring invalid command");
- }
- return TRUE;
-}
-
-static gboolean attach_udp_descriptor(struct udp_sink* sink, const char* name, const char* prop)
-{
- GSocket *sock;
- g_object_get(G_OBJECT(sink->udp_), prop, &sock, NULL);
- int fd = g_socket_get_fd(sock);
-
- guint id = g_unix_fd_add(fd, G_IO_IN, on_udp_desc_ready, sink);
- if(id <= 0) {
- log_printf(ERROR, "Error while adding %s file descriptor (%d) to main loop", name, fd);
- return FALSE;
- }
- log_printf(DEBUG, "successfully installed callback for %s (fd: %d) for reading (id: %d)", name, fd, id);
- return TRUE;
-}
-
-
-static gboolean attach_udp_descriptors(struct udp_sinks *sinks)
-{
- if(!attach_udp_descriptor(&(sinks->rtp_video_), "RTP(video) IPv4", "used-socket") ||
- !attach_udp_descriptor(&(sinks->rtp_video_), "RTP(video) IPv6", "used-socket-v6") ||
- !attach_udp_descriptor(&(sinks->rtcp_video_), "RTCP(video) IPv4", "used-socket") ||
- !attach_udp_descriptor(&(sinks->rtcp_video_), "RTCP(video) IPv6", "used-socket-v6") ||
- !attach_udp_descriptor(&(sinks->rtp_audio_), "RTP(audio) IPv4", "used-socket") ||
- !attach_udp_descriptor(&(sinks->rtp_audio_), "RTP(audio) IPv6", "used-socket-v6") ||
- !attach_udp_descriptor(&(sinks->rtcp_audio_), "RTCP(audio) IPv4", "used-socket") ||
- !attach_udp_descriptor(&(sinks->rtcp_audio_), "RTCP(audio) IPv6", "used-socket-v6")) {
- return FALSE;
- }
- return TRUE;
-}
-
-
-
int main_loop(options_t* opt)
{
log_printf(INFO, "entering main loop");