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Update documentation to reflect new functionality.

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This commit is contained in:
Archie Cobbs 1999-11-30 07:24:05 +00:00
parent 44a451ba24
commit 8e0788736e
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=53939
3 changed files with 177 additions and 27 deletions
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68
share/man/man4/ng_ksocket.4
View File

@ -53,16 +53,17 @@ it appear as a Netgraph node. The
node type is the reverse of the socket node type (see
.Xr ng_socket 8 "):"
whereas the socket node type enables the user-level manipulation (via
a socket) of a kernel-level entity (the associated Netgraph node), the
a socket) of what is normally a kernel-level entity (the associated
Netgraph node), the
.Nm ksocket
node type enables the kernel-level manipulation (via a Netgraph node) of
a user-level entity (the associated socket).
what is normally a user-level entity (the associated socket).
.Pp
A
.Nm ksocket
node allows at most one hook connection. Connecting to the node is
equivalent to opening the associated socket. The name given to the hook
determines what kind of socket the node will act like (see below).
determines what kind of socket the node will open (see below).
When the hook is disconnected and/or the node is shutdown, the
associated socket is closed.
.Sh HOOKS
@ -93,7 +94,7 @@ socket address parameter should be supplied as an argument.
.It Dv NGM_KSOCKET_LISTEN
This functions exactly like the
.Xr listen 2
system call. The backlog paramter (a single
system call. The backlog paramter (a single 32 bit
.Dv int )
should be supplied as an argument.
.It Dv NGM_KSOCKET_CONNECT
@ -101,19 +102,68 @@ This functions exactly like the
.Xr connect 2
system call. The
.Dv "struct sockaddr"
socket address parameter should be supplied as an argument.
destination address parameter should be supplied as an argument.
.It Dv NGM_KSOCKET_ACCEPT
Currently unimplemented.
.It Dv NGM_KSOCKET_GETNAME
Currently unimplemented.
Equivalent to the
.Xr getname 2
system call. The name is returned as a
.Dv "struct sockaddr"
in the arguments field of the reply.
.It Dv NGM_KSOCKET_GETPEERNAME
Currently unimplemented.
Equivalent to the
.Xr getpeername 2
system call. The name is returned as a
.Dv "struct sockaddr"
in the arguments field of the reply.
.It Dv NGM_KSOCKET_SETOPT
Currently unimplemented.
Equivalent to the
.Xr setsockopt 2
system call, except that the option name, level, and value are passed in a
.Dv "struct ng_ksocket_sockopt" .
.It Dv NGM_KSOCKET_GETOPT
Currently unimplemented.
Equivalent to the
.Xr getsockopt 2
system call, except that the option is passed in a
.Dv "struct ng_ksocket_sockopt" .
When sending this command, the
.Dv value
field should be empty; upon return, it will contain the
retrieved value.
.El
.Pp
.Sh ASCII FORM CONTROL MESSAGES
For control messages that pass a
.Dv "struct sockaddr"
in the argument field, the normal ASCII equivalent of the C structure
is an acceptable form. For the
.Dv PF_INET
and
.Dv PF_LOCAL
address families, a more convenient form is also used, which is
the protocol family name, followed by a slash, followed by the actual
address. For
.Dv PF_INET ,
the address is an IP address followed by an optional colon and port number.
For
.Dv PF_LOCAL ,
the address is the pathname as a doubly quoted string.
.Pp
Examples:
.Bl -tag -width XXXXXXXXXX
.It Dv PF_LOCAL
inet/192.168.1.1:1234
.It Dv PF_INET
local/"/tmp/foo.socket"
.It Other
.Dv "{ family=16 len=16 data=[ 0x70 0x00 0x01 0x23 ] }"
.El
.Pp
For control messages that pass a
.Dv "struct ng_ksocket_sockopt" ,
the normal ASCII form for that structure is used. In the future, more
convenient encoding of the more common socket options may be supported.
.Sh SHUTDOWN
This node shuts down upon receipt of a
.Dv NGM_SHUTDOWN

68
sys/modules/netgraph/ksocket/ng_ksocket.4
View File

@ -53,16 +53,17 @@ it appear as a Netgraph node. The
node type is the reverse of the socket node type (see
.Xr ng_socket 8 "):"
whereas the socket node type enables the user-level manipulation (via
a socket) of a kernel-level entity (the associated Netgraph node), the
a socket) of what is normally a kernel-level entity (the associated
Netgraph node), the
.Nm ksocket
node type enables the kernel-level manipulation (via a Netgraph node) of
a user-level entity (the associated socket).
what is normally a user-level entity (the associated socket).
.Pp
A
.Nm ksocket
node allows at most one hook connection. Connecting to the node is
equivalent to opening the associated socket. The name given to the hook
determines what kind of socket the node will act like (see below).
determines what kind of socket the node will open (see below).
When the hook is disconnected and/or the node is shutdown, the
associated socket is closed.
.Sh HOOKS
@ -93,7 +94,7 @@ socket address parameter should be supplied as an argument.
.It Dv NGM_KSOCKET_LISTEN
This functions exactly like the
.Xr listen 2
system call. The backlog paramter (a single
system call. The backlog paramter (a single 32 bit
.Dv int )
should be supplied as an argument.
.It Dv NGM_KSOCKET_CONNECT
@ -101,19 +102,68 @@ This functions exactly like the
.Xr connect 2
system call. The
.Dv "struct sockaddr"
socket address parameter should be supplied as an argument.
destination address parameter should be supplied as an argument.
.It Dv NGM_KSOCKET_ACCEPT
Currently unimplemented.
.It Dv NGM_KSOCKET_GETNAME
Currently unimplemented.
Equivalent to the
.Xr getname 2
system call. The name is returned as a
.Dv "struct sockaddr"
in the arguments field of the reply.
.It Dv NGM_KSOCKET_GETPEERNAME
Currently unimplemented.
Equivalent to the
.Xr getpeername 2
system call. The name is returned as a
.Dv "struct sockaddr"
in the arguments field of the reply.
.It Dv NGM_KSOCKET_SETOPT
Currently unimplemented.
Equivalent to the
.Xr setsockopt 2
system call, except that the option name, level, and value are passed in a
.Dv "struct ng_ksocket_sockopt" .
.It Dv NGM_KSOCKET_GETOPT
Currently unimplemented.
Equivalent to the
.Xr getsockopt 2
system call, except that the option is passed in a
.Dv "struct ng_ksocket_sockopt" .
When sending this command, the
.Dv value
field should be empty; upon return, it will contain the
retrieved value.
.El
.Pp
.Sh ASCII FORM CONTROL MESSAGES
For control messages that pass a
.Dv "struct sockaddr"
in the argument field, the normal ASCII equivalent of the C structure
is an acceptable form. For the
.Dv PF_INET
and
.Dv PF_LOCAL
address families, a more convenient form is also used, which is
the protocol family name, followed by a slash, followed by the actual
address. For
.Dv PF_INET ,
the address is an IP address followed by an optional colon and port number.
For
.Dv PF_LOCAL ,
the address is the pathname as a doubly quoted string.
.Pp
Examples:
.Bl -tag -width XXXXXXXXXX
.It Dv PF_LOCAL
inet/192.168.1.1:1234
.It Dv PF_INET
local/"/tmp/foo.socket"
.It Other
.Dv "{ family=16 len=16 data=[ 0x70 0x00 0x01 0x23 ] }"
.El
.Pp
For control messages that pass a
.Dv "struct ng_ksocket_sockopt" ,
the normal ASCII form for that structure is used. In the future, more
convenient encoding of the more common socket options may be supported.
.Sh SHUTDOWN
This node shuts down upon receipt of a
.Dv NGM_SHUTDOWN

68
sys/modules/netgraph/ksocket/ng_ksocket.8
View File

@ -53,16 +53,17 @@ it appear as a Netgraph node. The
node type is the reverse of the socket node type (see
.Xr ng_socket 8 "):"
whereas the socket node type enables the user-level manipulation (via
a socket) of a kernel-level entity (the associated Netgraph node), the
a socket) of what is normally a kernel-level entity (the associated
Netgraph node), the
.Nm ksocket
node type enables the kernel-level manipulation (via a Netgraph node) of
a user-level entity (the associated socket).
what is normally a user-level entity (the associated socket).
.Pp
A
.Nm ksocket
node allows at most one hook connection. Connecting to the node is
equivalent to opening the associated socket. The name given to the hook
determines what kind of socket the node will act like (see below).
determines what kind of socket the node will open (see below).
When the hook is disconnected and/or the node is shutdown, the
associated socket is closed.
.Sh HOOKS
@ -93,7 +94,7 @@ socket address parameter should be supplied as an argument.
.It Dv NGM_KSOCKET_LISTEN
This functions exactly like the
.Xr listen 2
system call. The backlog paramter (a single
system call. The backlog paramter (a single 32 bit
.Dv int )
should be supplied as an argument.
.It Dv NGM_KSOCKET_CONNECT
@ -101,19 +102,68 @@ This functions exactly like the
.Xr connect 2
system call. The
.Dv "struct sockaddr"
socket address parameter should be supplied as an argument.
destination address parameter should be supplied as an argument.
.It Dv NGM_KSOCKET_ACCEPT
Currently unimplemented.
.It Dv NGM_KSOCKET_GETNAME
Currently unimplemented.
Equivalent to the
.Xr getname 2
system call. The name is returned as a
.Dv "struct sockaddr"
in the arguments field of the reply.
.It Dv NGM_KSOCKET_GETPEERNAME
Currently unimplemented.
Equivalent to the
.Xr getpeername 2
system call. The name is returned as a
.Dv "struct sockaddr"
in the arguments field of the reply.
.It Dv NGM_KSOCKET_SETOPT
Currently unimplemented.
Equivalent to the
.Xr setsockopt 2
system call, except that the option name, level, and value are passed in a
.Dv "struct ng_ksocket_sockopt" .
.It Dv NGM_KSOCKET_GETOPT
Currently unimplemented.
Equivalent to the
.Xr getsockopt 2
system call, except that the option is passed in a
.Dv "struct ng_ksocket_sockopt" .
When sending this command, the
.Dv value
field should be empty; upon return, it will contain the
retrieved value.
.El
.Pp
.Sh ASCII FORM CONTROL MESSAGES
For control messages that pass a
.Dv "struct sockaddr"
in the argument field, the normal ASCII equivalent of the C structure
is an acceptable form. For the
.Dv PF_INET
and
.Dv PF_LOCAL
address families, a more convenient form is also used, which is
the protocol family name, followed by a slash, followed by the actual
address. For
.Dv PF_INET ,
the address is an IP address followed by an optional colon and port number.
For
.Dv PF_LOCAL ,
the address is the pathname as a doubly quoted string.
.Pp
Examples:
.Bl -tag -width XXXXXXXXXX
.It Dv PF_LOCAL
inet/192.168.1.1:1234
.It Dv PF_INET
local/"/tmp/foo.socket"
.It Other
.Dv "{ family=16 len=16 data=[ 0x70 0x00 0x01 0x23 ] }"
.El
.Pp
For control messages that pass a
.Dv "struct ng_ksocket_sockopt" ,
the normal ASCII form for that structure is used. In the future, more
convenient encoding of the more common socket options may be supported.
.Sh SHUTDOWN
This node shuts down upon receipt of a
.Dv NGM_SHUTDOWN