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-rw-r--r--lib/libnetgraph/Makefile12
-rw-r--r--lib/libnetgraph/msg.c15
-rw-r--r--lib/libnetgraph/netgraph.35
3 files changed, 28 insertions, 4 deletions
diff --git a/lib/libnetgraph/Makefile b/lib/libnetgraph/Makefile
index 39d9ad8..04a917d 100644
--- a/lib/libnetgraph/Makefile
+++ b/lib/libnetgraph/Makefile
@@ -12,4 +12,16 @@ INCS= netgraph.h
CFLAGS+= -Wall
+MLINKS+= netgraph.3 NgMkSockNode.3
+MLINKS+= netgraph.3 NgNameNode.3
+MLINKS+= netgraph.3 NgSendMsg.3
+MLINKS+= netgraph.3 NgSendAsciiMsg.3
+MLINKS+= netgraph.3 NgSendMsgReply.3
+MLINKS+= netgraph.3 NgRecvMsg.3
+MLINKS+= netgraph.3 NgRecvAsciiMsg.3
+MLINKS+= netgraph.3 NgSendData.3
+MLINKS+= netgraph.3 NgRecvData.3
+MLINKS+= netgraph.3 NgSetDebug.3
+MLINKS+= netgraph.3 NgSetErrLog.3
+
.include <bsd.lib.mk>
diff --git a/lib/libnetgraph/msg.c b/lib/libnetgraph/msg.c
index bae4743..4cec810 100644
--- a/lib/libnetgraph/msg.c
+++ b/lib/libnetgraph/msg.c
@@ -70,7 +70,9 @@ NgSendMsg(int cs, const char *path,
memset(&msg, 0, sizeof(msg));
msg.header.version = NG_VERSION;
msg.header.typecookie = cookie;
- msg.header.token = ++gMsgId;
+ if (++gMsgId < 0)
+ gMsgId = 1;
+ msg.header.token = gMsgId;
msg.header.flags = NGF_ORIG;
msg.header.cmd = cmd;
snprintf(msg.header.cmdstr, NG_CMDSTRLEN + 1, "cmd%d", cmd);
@@ -78,7 +80,7 @@ NgSendMsg(int cs, const char *path,
/* Deliver message */
if (NgDeliverMsg(cs, path, &msg, args, arglen) < 0)
return (-1);
- return(gMsgId);
+ return (gMsgId);
}
/*
@@ -137,8 +139,13 @@ NgSendAsciiMsg(int cs, const char *path, const char *fmt, ...)
return (-1);
/* Now send binary version */
- return NgDeliverMsg(cs,
- path, binary, binary->data, binary->header.arglen);
+ if (++gMsgId < 0)
+ gMsgId = 1;
+ binary->header.token = gMsgId;
+ if (NgDeliverMsg(cs,
+ path, binary, binary->data, binary->header.arglen) < 0)
+ return (-1);
+ return (gMsgId);
}
/*
diff --git a/lib/libnetgraph/netgraph.3 b/lib/libnetgraph/netgraph.3
index f5df174..67a0370 100644
--- a/lib/libnetgraph/netgraph.3
+++ b/lib/libnetgraph/netgraph.3
@@ -124,6 +124,8 @@ The
.Fa cmd ,
and argument data are defined by the header file corresponding
to the type of the node being addressed.
+The unique, non-negative token value chosen for use in the message
+header is returned. This value is typically used to associate replies.
.Pp
Use
.Fn NgSendMsgReply
@@ -147,6 +149,9 @@ string to the node in a
control message. The node returns a binary version of the
message, which is then sent back to the node just as with
.Fn NgSendMsg .
+As with
+.Fn NgSendMsg ,
+the message token value is returned.
Note that
.Tn ASCII
conversion may not be supported by all node types.
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