4  * Copyright (c) 1996-1999 Whistle Communications, Inc.
22  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT.
27  * RESULTING FROM OR ARISING OUT OF ANY USE OF THIS SOFTWARE, INCLUDING
32  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
56  * Returns -1 if error and sets errno.
62 	int cs = -1;		/* control socket */  in NgMkSockNode()  local
63 	int ds = -1;		/* data socket */  in NgMkSockNode()
73 	if ((cs = socket(AF_NETGRAPH, SOCK_DGRAM, NG_CONTROL)) < 0) {  in NgMkSockNode()
81 			cs = socket(AF_NETGRAPH, SOCK_DGRAM, NG_CONTROL);  in NgMkSockNode()
82 			if (cs >= 0)  in NgMkSockNode()
98 		strlcpy(sg->sg_data, name, NG_NODESIZ);  in NgMkSockNode()
99 		sg->sg_family = AF_NETGRAPH;  in NgMkSockNode()
100 		sg->sg_len = strlen(sg->sg_data) + 1 + NGSA_OVERHEAD;  in NgMkSockNode()
101 		if (bind(cs, (struct sockaddr *) sg, sg->sg_len) < 0) {  in NgMkSockNode()
104 				NGLOG("bind(%s)", sg->sg_data);  in NgMkSockNode()
118 		/* Find out the node ID */  in NgMkSockNode()
119 		if (NgSendMsg(cs, ".", NGM_GENERIC_COOKIE,  in NgMkSockNode()
126 		if (NgRecvMsg(cs, &res.res, sizeof(res.rbuf), NULL) < 0) {  in NgMkSockNode()
134 		snprintf(namebuf, sizeof(namebuf), "[%lx]", (u_long) ni->id);  in NgMkSockNode()
151 		snprintf(sg->sg_data, NG_NODESIZ + 1, "%s:", namebuf);  in NgMkSockNode()
152 		sg->sg_family = AF_NETGRAPH;  in NgMkSockNode()
153 		sg->sg_len = strlen(sg->sg_data) + 1 + NGSA_OVERHEAD;  in NgMkSockNode()
154 		if (connect(ds, (struct sockaddr *) sg, sg->sg_len) < 0) {  in NgMkSockNode()
157 				NGLOG("connect(%s)", sg->sg_data);  in NgMkSockNode()
164 		*csp = cs;  in NgMkSockNode()
166 		close(cs);  in NgMkSockNode()
173 	if (cs >= 0)  in NgMkSockNode()
174 		close(cs);  in NgMkSockNode()
178 	return (-1);  in NgMkSockNode()
183  * Returns -1 if error and sets errno.
186 NgNameNode(int cs, const char *path, const char *fmt, ...)  in NgNameNode()  argument
197 	if (NgSendMsg(cs, path,  in NgNameNode()
201 		return (-1);  in NgNameNode()
210  * Returns -1 if error and sets errno.
227 		return (-1);  in NgRecvData()
232 		strlcpy(hook, from->sg_data, NG_HOOKSIZ);  in NgRecvData()
237 		       rtn ? "PACKET" : "EOF", from->sg_data, rtn);  in NgRecvData()
256 	if (getsockopt(ds, SOL_SOCKET, SO_RCVBUF, &len, &optlen) == -1 ||  in NgAllocRecvData()
258 		return (-1);  in NgAllocRecvData()
266  * out the corresponding node on the specified hook.
267  * Returns -1 if error and sets errno.
277 	sg->sg_family = AF_NETGRAPH;  in NgSendData()
278 	strlcpy(sg->sg_data, hook, NG_HOOKSIZ);  in NgSendData()
279 	sg->sg_len = strlen(sg->sg_data) + 1 + NGSA_OVERHEAD;  in NgSendData()
290 	if (sendto(ds, buf, len, 0, (struct sockaddr *) sg, sg->sg_len) < 0) {  in NgSendData()
293 			NGLOG("sendto(%s)", sg->sg_data);  in NgSendData()
295 		return (-1);  in NgSendData()