1 files changed, 0 insertions, 303 deletions
diff --git a/mcastseed/src/sockets.c b/mcastseed/src/sockets.c
deleted file mode 100644
index 6aea016..0000000
--- a/mcastseed/src/sockets.c
+++ /dev/null
@@ -1,303 +0,0 @@
-/*
- * Copyright 2016 by Ludovic Pouzenc <ludovic@pouzenc.fr>
- *
- * Greatly inspired from msock.h written by Christian Beier <dontmind@sdf.org>
- */
-#include <stdio.h>
-#include <string.h>
-#include <unistd.h>
-#include "sockets.h"
-
-int mcast_recv_socket(char *mcast_ip, char *port, int wanted_so_rcvbuf) {
-
-	int sock;
-	struct addrinfo hints  = { 0 };    /* Hints for name lookup */
-	struct addrinfo *ai_local = NULL;         /* Local address to bind to */
-	struct addrinfo *mcast_ai = NULL;     /* Multicast Address */
-	int yes=1;
-	int status, optval;
-	socklen_t optval_len;
-	int dfltrcvbuf;
-
-	/* Resolve the multicast group address */
-	hints.ai_family = PF_UNSPEC;
-	hints.ai_flags  = AI_NUMERICHOST;
-	if ((status = getaddrinfo(mcast_ip, NULL, &hints, &mcast_ai)) != 0) {
-		fprintf(stderr, "getaddrinfo: %s\n", gai_strerror(status));
-		goto error;
-	}
-
-	/*
-	 * Get a local address with the same family (IPv4 or IPv6) as our multicast group
-	 * This is for receiving on a certain port.
-	 */
-	hints.ai_family   = mcast_ai->ai_family;
-	hints.ai_socktype = SOCK_DGRAM;
-	hints.ai_flags    = AI_PASSIVE; /* Return an address we can bind to */
-	if ( getaddrinfo(NULL, port, &hints, &ai_local) != 0 ) {
-		fprintf(stderr, "getaddrinfo: %s\n", gai_strerror(status));
-		goto error;
-	}
-
-	/* Create socket for receiving datagrams */
-	if ( (sock = socket(ai_local->ai_family, ai_local->ai_socktype, 0)) < 0 ) {
-		perror("socket() failed");
-		goto error;
-	}
-
-	/*
-	 * Enable SO_REUSEADDR to allow multiple instances of this
-	 * application to receive copies of the multicast datagrams.
-	 */
-	if (setsockopt(sock,SOL_SOCKET,SO_REUSEADDR,(char*)&yes,sizeof(int)) == -1) {
-		perror("setsockopt");
-		goto error;
-	}
-
-	/* Bind the local address to the multicast port */
-	if ( bind(sock, ai_local->ai_addr, ai_local->ai_addrlen) != 0 ) {
-		perror("bind() failed");
-		goto error;
-	}
-
-	/* get/set socket receive buffer */
-	optval=0;
-	optval_len = sizeof(optval);
-	if(getsockopt(sock, SOL_SOCKET, SO_RCVBUF,(char*)&optval, &optval_len) !=0) {
-		perror("getsockopt");
-		goto error;
-	}
-	dfltrcvbuf = optval;
-	optval = wanted_so_rcvbuf;
-	if(setsockopt(sock,SOL_SOCKET,SO_RCVBUF,(char*)&optval,sizeof(optval)) != 0) {
-		perror("setsockopt");
-		goto error;
-	}
-	if(getsockopt(sock, SOL_SOCKET, SO_RCVBUF,(char*)&optval, &optval_len) != 0) {
-		perror("getsockopt");
-		goto error;
-	}
-	fprintf(stderr, "tried to set socket receive buffer from %d to %d, got %d\n",
-			dfltrcvbuf, wanted_so_rcvbuf, optval);
-
-
-	/* Join the multicast group. We do this seperately depending on whether we
-	 * are using IPv4 or IPv6.
-	 */
-	if ( mcast_ai->ai_family  == PF_INET &&
-			mcast_ai->ai_addrlen == sizeof(struct sockaddr_in) ) /* IPv4 */
-	{
-		struct ip_mreq multicastRequest;  /* Multicast address join structure */
-
-		/* Specify the multicast group */
-		memcpy(&multicastRequest.imr_multiaddr,
-				&((struct sockaddr_in*)(mcast_ai->ai_addr))->sin_addr,
-				sizeof(multicastRequest.imr_multiaddr));
-
-		/* Accept multicast from any interface */
-		multicastRequest.imr_interface.s_addr = htonl(INADDR_ANY);
-
-		/* Join the multicast address */
-		if ( setsockopt(sock, IPPROTO_IP, IP_ADD_MEMBERSHIP, (char*) &multicastRequest, sizeof(multicastRequest)) != 0 ) {
-			perror("setsockopt() failed");
-			goto error;
-		}
-	}
-	else if ( mcast_ai->ai_family  == PF_INET6 &&
-			mcast_ai->ai_addrlen == sizeof(struct sockaddr_in6) ) /* IPv6 */
-	{
-		struct ipv6_mreq multicastRequest;  /* Multicast address join structure */
-
-		/* Specify the multicast group */
-		memcpy(&multicastRequest.ipv6mr_multiaddr,
-				&((struct sockaddr_in6*)(mcast_ai->ai_addr))->sin6_addr,
-				sizeof(multicastRequest.ipv6mr_multiaddr));
-
-		/* Accept multicast from any interface */
-		multicastRequest.ipv6mr_interface = 0;
-
-		/* Join the multicast address */
-		if ( setsockopt(sock, IPPROTO_IPV6, IPV6_ADD_MEMBERSHIP, (char*) &multicastRequest, sizeof(multicastRequest)) != 0 ) {
-			perror("setsockopt() failed");
-			goto error;
-		}
-	}
-	else {
-		perror("Neither IPv4 or IPv6");
-		goto error;
-	}
-
-
-	if(ai_local)
-		freeaddrinfo(ai_local);
-	if(mcast_ai)
-		freeaddrinfo(mcast_ai);
-
-	return sock;
-
-error:
-	if(ai_local)
-		freeaddrinfo(ai_local);
-	if(mcast_ai)
-		freeaddrinfo(mcast_ai);
-
-	return -1;
-}
-
-
-int mcast_send_socket(char* mcast_ip, char* port,  int multicastTTL, struct addrinfo **mcast_ai) {
-
-	int sock;
-	struct addrinfo hints = { 0 };    /* Hints for name lookup */
-	int status;
-
-
-	/* Resolve destination address for multicast datagrams */
-	hints.ai_family   = PF_UNSPEC;
-	hints.ai_socktype = SOCK_DGRAM;
-	hints.ai_flags    = AI_NUMERICHOST;
-	if ((status = getaddrinfo(mcast_ip, port, &hints, mcast_ai)) != 0 )
-	{
-		fprintf(stderr, "getaddrinfo: %s\n", gai_strerror(status));
-		return -1;
-	}
-
-	/* Create socket for sending multicast datagrams */
-	if ( (sock = socket((*mcast_ai)->ai_family, (*mcast_ai)->ai_socktype, 0)) < 0 ) {
-		perror("socket() failed");
-		freeaddrinfo(*mcast_ai);
-		return -1;
-	}
-
-	/* Set TTL of multicast packet */
-	if ( setsockopt(sock,
-				(*mcast_ai)->ai_family == PF_INET6 ? IPPROTO_IPV6        : IPPROTO_IP,
-				(*mcast_ai)->ai_family == PF_INET6 ? IPV6_MULTICAST_HOPS : IP_MULTICAST_TTL,
-				(char*) &multicastTTL, sizeof(multicastTTL)) != 0 ) {
-		perror("setsockopt() failed");
-		freeaddrinfo(*mcast_ai);
-		return -1;
-	}
-
-	/* set the sending interface */
-	if((*mcast_ai)->ai_family == PF_INET) {
-		in_addr_t iface = INADDR_ANY; /* well, yeah, any */
-		if(setsockopt (sock,
-					IPPROTO_IP,
-					IP_MULTICAST_IF,
-					(char*)&iface, sizeof(iface)) != 0) {
-			perror("interface setsockopt() sending interface");
-			freeaddrinfo(*mcast_ai);
-			return -1;
-		}
-
-	}
-	if((*mcast_ai)->ai_family == PF_INET6) {
-		unsigned int ifindex = 0; /* 0 means 'default interface'*/
-		if(setsockopt (sock,
-					IPPROTO_IPV6,
-					IPV6_MULTICAST_IF,
-					(char*)&ifindex, sizeof(ifindex)) != 0) {
-			perror("interface setsockopt() sending interface");
-			freeaddrinfo(*mcast_ai);
-			return -1;
-		}
-
-	}
-
-	return sock;
-}
-
-
-int ucast_server_socket(char* port, int max_pending_conn) {
-
-	int sock;
-	struct addrinfo *serverAddr;
-	struct addrinfo hints = { 0 };    /* Hints for name lookup */
-	int status;
-
-
-	/* Prepare an addrinfo struct for a local socket */
-	hints.ai_family   = PF_INET6;
-	hints.ai_socktype = SOCK_STREAM;
-	hints.ai_flags    = AI_PASSIVE;
-	if ((status = getaddrinfo(NULL, port, &hints, &serverAddr)) != 0 )
-	{
-		fprintf(stderr, "getaddrinfo: %s\n", gai_strerror(status));
-		return -1;
-	}
-	/* Create socket */
-	if ( (sock = socket(serverAddr->ai_family, serverAddr->ai_socktype, serverAddr->ai_protocol)) < 0 ) {
-		perror("socket() failed");
-		freeaddrinfo(serverAddr);
-		return -1;
-	}
-
-	/* Accepts also IPv4 traffic if the socket is INET6 */
-	if(serverAddr->ai_family == PF_INET6) {
-		unsigned int no = 0;
-		if(setsockopt (sock,
-					IPPROTO_IPV6,
-					IPV6_V6ONLY,
-					(char*)&no, sizeof(no)) != 0) {
-			perror("setsockopt() !IPV6_V6ONLY failed");
-			freeaddrinfo(serverAddr);
-			return -1;
-		}
-	}
-
-	/* Bind socket to local address/port */
-	if ( bind(sock, serverAddr->ai_addr, serverAddr->ai_addrlen) < 0 ) {
-		perror("bind() failed");
-		close(sock);
-		freeaddrinfo(serverAddr);
-		return -1;
-	}
-
-	freeaddrinfo(serverAddr);
-
-	/* Start listening incoming connections */
-	if ( listen(sock, max_pending_conn) < 0 ) {
-		perror("listen() failed");
-		close(sock);
-	}
-
-	return sock;
-}
-
-int ucast_client_socket(char* server_ip, char* port) {
-
-	int sock;
-	struct addrinfo *serverAddr;
-	struct addrinfo hints = { 0 };    /* Hints for name lookup */
-	int status;
-
-	/* Resolve destination address */
-	hints.ai_family   = PF_UNSPEC;
-	hints.ai_socktype = SOCK_STREAM;
-	hints.ai_flags    = AI_NUMERICHOST;
-	if ((status = getaddrinfo(server_ip, port, &hints, &serverAddr)) != 0 )
-	{
-		fprintf(stderr, "getaddrinfo: %s\n", gai_strerror(status));
-		return -1;
-	}
-
-	/* Create socket */
-	if ( (sock = socket(serverAddr->ai_family, serverAddr->ai_socktype, 0)) < 0 ) {
-		perror("socket() failed");
-		freeaddrinfo(serverAddr);
-		return -1;
-	}
-
-	/* Connect it to the remote server */
-	if ( connect(sock, serverAddr->ai_addr, serverAddr->ai_addrlen) < 0 ) {
-		perror("connect() failed");
-		close(sock);
-		freeaddrinfo(serverAddr);
-		return -1;
-	}
-
-	freeaddrinfo(serverAddr);
-	return sock;
-}
-