X-Git-Url: http://git.zerfleddert.de/cgi-bin/gitweb.cgi/record-dvb/blobdiff_plain/5c2e3e4489486a30d8f14338277de093b4d94cf0..ed3679acee1dbd17f59ca487941d0bf35f9eab2a:/common.c

diff --git a/common.c b/common.c
index 97ec807..825b5ae 100644
--- a/common.c
+++ b/common.c
@@ -2,17 +2,22 @@
 #include <string.h>
 #include <stdio.h>
 #include <stdlib.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <netdb.h>
 
 #include "common.h"
 
 struct dvb_host *parse(char *urlpart, char *defport)
 {
-	struct dvb_host *dvbhost;
+	static struct dvb_host *dvbhost = NULL;
 	char *pos;
 
-	if (!(dvbhost = malloc(sizeof(struct dvb_host)))) {
-		perror("malloc");
-		exit(EXIT_FAILURE);
+	if (!dvbhost) {
+		if (!(dvbhost = malloc(sizeof(struct dvb_host)))) {
+			perror("malloc");
+			exit(EXIT_FAILURE);
+		}
 	}
 
 	bzero(dvbhost, sizeof(struct dvb_host));
@@ -62,3 +67,45 @@ struct dvb_host *parse(char *urlpart, char *defport)
 
 	return dvbhost;
 }
+
+int resolve(struct dvb_host *dvbhost, struct sockaddr_in *server)
+{
+	struct addrinfo *s_addrinfo, addrhints;
+	int res;
+
+	bzero(&addrhints, sizeof(struct addrinfo));
+	addrhints.ai_family = PF_INET;
+	addrhints.ai_socktype = dvbhost->socktype;
+
+	if ((res = getaddrinfo(dvbhost->hostname, dvbhost->port, &addrhints, &s_addrinfo))) {
+		fprintf(stderr,"getaddrinfo: %s\n",gai_strerror(res));
+		return -1;
+	}
+
+	bzero(server, sizeof(struct sockaddr_in));
+	server->sin_family = AF_INET;
+	server->sin_addr.s_addr = ((struct sockaddr_in*)(s_addrinfo->ai_addr))->sin_addr.s_addr;
+	server->sin_port = ((struct sockaddr_in*)(s_addrinfo->ai_addr))->sin_port;
+
+	freeaddrinfo(s_addrinfo);
+
+	return 0;
+}
+
+int is_url(char *string)
+{
+	char *pos;
+
+	if (!(strlen(string)))
+		return 0;
+
+	pos = string;
+
+	while(*pos != ':' && *pos != 0)
+		pos++;
+
+	if (!strncmp("://", pos, 3))
+		return 1;
+
+	return 0;
+}