mirror of
https://github.com/ntop/n2n.git
synced 2024-09-19 16:41:11 +02:00
Minor code cleanup
This commit is contained in:
Luca Deri
parent
1daf46275e
commit
41401a131f
36
edge.c
36
edge.c
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@ -549,7 +549,7 @@ static void send_register(n2n_edge_t * eee,
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{
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uint8_t pktbuf[N2N_PKT_BUF_SIZE];
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size_t idx;
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ssize_t sent;
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/* ssize_t sent; */
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n2n_common_t cmn;
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n2n_REGISTER_t reg;
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n2n_sock_str_t sockbuf;
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@ -572,19 +572,16 @@ static void send_register(n2n_edge_t * eee,
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traceEvent(TRACE_INFO, "send REGISTER %s",
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sock_to_cstr(sockbuf, remote_peer));
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sent = sendto_sock(eee->udp_sock, pktbuf, idx, remote_peer);
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/* sent = */ sendto_sock(eee->udp_sock, pktbuf, idx, remote_peer);
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}
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/** Send a REGISTER_SUPER packet to the current supernode. */
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static void send_register_super(n2n_edge_t * eee,
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const n2n_sock_t * supernode)
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{
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const n2n_sock_t * supernode) {
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uint8_t pktbuf[N2N_PKT_BUF_SIZE];
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size_t idx;
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ssize_t sent;
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/* ssize_t sent; */
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n2n_common_t cmn;
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n2n_REGISTER_SUPER_t reg;
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n2n_sock_str_t sockbuf;
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@ -614,19 +611,17 @@ static void send_register_super(n2n_edge_t * eee,
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sock_to_cstr(sockbuf, supernode));
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sent = sendto_sock(eee->udp_sock, pktbuf, idx, supernode);
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/* sent = */ sendto_sock(eee->udp_sock, pktbuf, idx, supernode);
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}
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/** Send a REGISTER_ACK packet to a peer edge. */
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static void send_register_ack(n2n_edge_t * eee,
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const n2n_sock_t * remote_peer,
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const n2n_REGISTER_t * reg)
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{
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const n2n_REGISTER_t * reg) {
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uint8_t pktbuf[N2N_PKT_BUF_SIZE];
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size_t idx;
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ssize_t sent;
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/* ssize_t sent; */
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n2n_common_t cmn;
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n2n_REGISTER_ACK_t ack;
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n2n_sock_str_t sockbuf;
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@ -650,7 +645,7 @@ static void send_register_ack(n2n_edge_t * eee,
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sock_to_cstr(sockbuf, remote_peer));
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sent = sendto_sock(eee->udp_sock, pktbuf, idx, remote_peer);
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/* sent = */ sendto_sock(eee->udp_sock, pktbuf, idx, remote_peer);
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}
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@ -1128,7 +1123,7 @@ static int send_PACKET(n2n_edge_t * eee,
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size_t pktlen)
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{
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int dest;
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ssize_t s;
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/*ssize_t s; */
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n2n_sock_str_t sockbuf;
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n2n_sock_t destination;
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@ -1137,17 +1132,13 @@ static int send_PACKET(n2n_edge_t * eee,
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dest = find_peer_destination(eee, dstMac, &destination);
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if(dest)
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{
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++(eee->tx_p2p);
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}
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else
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{
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++(eee->tx_sup);
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}
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traceEvent(TRACE_INFO, "send_PACKET to %s", sock_to_cstr(sockbuf, &destination));
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s = sendto_sock(eee->udp_sock, pktbuf, pktlen, &destination);
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/* s = */ sendto_sock(eee->udp_sock, pktbuf, pktlen, &destination);
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return 0;
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}
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@ -1414,7 +1405,7 @@ static void readFromMgmtSocket(n2n_edge_t * eee, int * keep_running)
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{
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uint8_t udp_buf[N2N_PKT_BUF_SIZE]; /* Compete UDP packet */
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ssize_t recvlen;
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ssize_t sendlen;
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/* ssize_t sendlen; */
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struct sockaddr_in sender_sock;
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socklen_t i;
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size_t msg_len;
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@ -1563,9 +1554,8 @@ static void readFromMgmtSocket(n2n_edge_t * eee, int * keep_running)
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traceEvent(TRACE_DEBUG, "mgmt status sending: %s", udp_buf);
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sendlen = sendto(eee->udp_mgmt_sock, udp_buf, msg_len, 0/*flags*/,
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/* sendlen = */ sendto(eee->udp_mgmt_sock, udp_buf, msg_len, 0/*flags*/,
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(struct sockaddr *)&sender_sock, sizeof(struct sockaddr_in));
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}
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@ -1920,7 +1910,7 @@ static int run_loop(n2n_edge_t * eee);
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/* *************************************************** */
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void daemonize() {
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static void daemonize() {
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#ifndef WIN32
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int childpid;
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34
n2n.c
34
n2n.c
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@ -406,23 +406,18 @@ extern int str2mac(uint8_t * outmac /* 6 bytes */, const char * s )
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}
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extern char * sock_to_cstr(n2n_sock_str_t out,
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const n2n_sock_t * sock )
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{
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int r;
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const n2n_sock_t * sock) {
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if(NULL == out) { return NULL; }
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memset(out, 0, N2N_SOCKBUF_SIZE);
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if(AF_INET6 == sock->family )
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{
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if(AF_INET6 == sock->family) {
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/* INET6 not written yet */
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r = snprintf(out, N2N_SOCKBUF_SIZE, "XXXX:%hu", sock->port );
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snprintf(out, N2N_SOCKBUF_SIZE, "XXXX:%hu", sock->port);
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return out;
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}
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else
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{
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} else {
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const uint8_t * a = sock->addr.v4;
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r = snprintf(out, N2N_SOCKBUF_SIZE, "%hu.%hu.%hu.%hu:%hu",
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snprintf(out, N2N_SOCKBUF_SIZE, "%hu.%hu.%hu.%hu:%hu",
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(unsigned short)(a[0] & 0xff),
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(unsigned short)(a[1] & 0xff),
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(unsigned short)(a[2] & 0xff),
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@ -434,17 +429,22 @@ extern char * sock_to_cstr(n2n_sock_str_t out,
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/* @return zero if the two sockets are equivalent. */
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int sock_equal(const n2n_sock_t * a,
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const n2n_sock_t * b )
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{
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const n2n_sock_t * b) {
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if(a->port != b->port) { return 1; }
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if(a->family != b->family) { return 1; }
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switch(a->family) /* they are the same */
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{
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switch(a->family) {
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case AF_INET:
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if(0 != memcmp(a->addr.v4, b->addr.v4, IPV4_SIZE ) ) { return 1;};
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if(0 != memcmp(a->addr.v4, b->addr.v4, IPV4_SIZE)) {
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return 1;
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}
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break;
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default:
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if(0 != memcmp(a->addr.v6, b->addr.v6, IPV6_SIZE ) ) { return 1;};
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if(0 != memcmp(a->addr.v6, b->addr.v6, IPV6_SIZE)) {
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return 1;
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}
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break;
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}
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@ -20,6 +20,8 @@
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#ifdef __linux__
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/* *************************************************** */
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static void read_mac(char *ifname, n2n_mac_t mac_addr) {
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int _sock, res;
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struct ifreq ifr;
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@ -123,22 +125,29 @@ int tuntap_open(tuntap_dev *device,
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return(device->fd);
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}
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/* *************************************************** */
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int tuntap_read(struct tuntap_dev *tuntap, unsigned char *buf, int len) {
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return(read(tuntap->fd, buf, len));
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}
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/* *************************************************** */
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int tuntap_write(struct tuntap_dev *tuntap, unsigned char *buf, int len) {
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return(write(tuntap->fd, buf, len));
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}
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/* *************************************************** */
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void tuntap_close(struct tuntap_dev *tuntap) {
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close(tuntap->fd);
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}
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/* *************************************************** */
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/* Fill out the ip_addr value from the interface. Called to pick up dynamic
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* address changes. */
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void tuntap_get_address(struct tuntap_dev *tuntap)
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{
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void tuntap_get_address(struct tuntap_dev *tuntap) {
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FILE * fp=NULL;
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ssize_t nread=0;
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char buf[N2N_LINUX_SYSTEMCMD_SIZE];
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@ -148,21 +157,25 @@ void tuntap_get_address(struct tuntap_dev *tuntap)
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/* If the interface has no address (0.0.0.0) there will be no inet addr
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* line and the returned string will be empty. */
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snprintf( buf, sizeof(buf), "/sbin/ifconfig %s | /bin/sed -e '/inet addr:/!d' -e 's/^.*inet addr://' -e 's/ .*$//'",
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snprintf( buf, sizeof(buf),
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"/sbin/ifconfig %s | /bin/sed -e '/inet addr:/!d' -e 's/^.*inet addr://' -e 's/ .*$//'",
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tuntap->dev_name);
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fp = popen(buf, "r");
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if (fp )
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{
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if (fp) {
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memset(buf, 0, N2N_LINUX_SYSTEMCMD_SIZE); /* make sure buf is NULL terminated. */
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nread=fread(buf, 1, 15, fp);
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nread = fread(buf, N2N_LINUX_SYSTEMCMD_SIZE-1, 1, fp);
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fclose(fp);
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fp = NULL;
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traceEvent(TRACE_INFO, "ifconfig address = %s", buf);
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if(nread > 0) {
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buf[nread] = '\0';
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tuntap->ip_addr = inet_addr(buf);
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}
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}
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}
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#endif /* #ifdef __linux__ */
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