implement (probably working) multicast
[record-dvb] / common.c
CommitLineData
5c2e3e44 1#include <strings.h>
2#include <string.h>
3#include <stdio.h>
4#include <stdlib.h>
fbc24ab0 5#include <netinet/in.h>
6#include <arpa/inet.h>
7#include <netdb.h>
5c2e3e44 8
9#include "common.h"
10
11struct dvb_host *parse(char *urlpart, char *defport)
12{
13 struct dvb_host *dvbhost;
14 char *pos;
15
16 if (!(dvbhost = malloc(sizeof(struct dvb_host)))) {
17 perror("malloc");
18 exit(EXIT_FAILURE);
19 }
20
21 bzero(dvbhost, sizeof(struct dvb_host));
22
23 if (!(dvbhost->hostname = strdup(urlpart))) {
24 perror("strdup");
25 exit(EXIT_FAILURE);
26 }
27
28 /* Unneded, but better readablity: */
29 dvbhost->location = NULL;
30 dvbhost->port = NULL;
31
32 pos = dvbhost->hostname;
33
34 while(*pos != '\0' && *pos != ':' && *pos != '/')
35 pos++;
36
37 if (*pos == '/')
38 dvbhost->location = pos + 1;
39
40 if (*pos == ':')
41 dvbhost->port = pos + 1;
42
43 *pos = 0;
44
45 if (dvbhost->port) {
46 pos++;
47
48 while(*pos != '\0' && *pos != '/')
49 pos ++;
50
51 if(*pos == '/')
52 dvbhost->location = pos + 1;
53
54 *pos = 0;
55 }
56
57 if (!dvbhost->port)
58 dvbhost->port = strdup(defport);
59
60 if (!dvbhost->location)
61 if(!(dvbhost->location = strdup(""))) {
62 perror("strdup");
63 exit(EXIT_FAILURE);
64 }
65
66 return dvbhost;
67}
fbc24ab0 68
69int resolve(struct dvb_host *dvbhost, struct sockaddr_in *server)
70{
71 struct addrinfo *s_addrinfo, addrhints;
72 int res;
73
74 bzero(&addrhints, sizeof(struct addrinfo));
75 addrhints.ai_family = PF_INET;
76 addrhints.ai_socktype = dvbhost->socktype;
77
78 if ((res = getaddrinfo(dvbhost->hostname, dvbhost->port, &addrhints, &s_addrinfo))) {
79 fprintf(stderr,"getaddrinfo: %s\n",gai_strerror(res));
80 return -1;
81 }
82
83 bzero(server, sizeof(struct sockaddr_in));
84 server->sin_family = AF_INET;
85 server->sin_addr.s_addr = ((struct sockaddr_in*)(s_addrinfo->ai_addr))->sin_addr.s_addr;
86 server->sin_port = ((struct sockaddr_in*)(s_addrinfo->ai_addr))->sin_port;
87
88 freeaddrinfo(s_addrinfo);
89
90 return 0;
91}
92
Impressum, Datenschutz