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-rw-r--r--lib/erl_interface/src/epmd/ei_epmd.h11
-rw-r--r--lib/erl_interface/src/epmd/epmd_port.c71
-rw-r--r--lib/erl_interface/src/epmd/epmd_publish.c68
-rw-r--r--lib/jinterface/java_src/com/ericsson/otp/erlang/OtpEpmd.java161
-rw-r--r--lib/kernel/src/erl_epmd.erl86
-rw-r--r--lib/kernel/src/erl_epmd.hrl17
6 files changed, 23 insertions, 391 deletions
diff --git a/lib/erl_interface/src/epmd/ei_epmd.h b/lib/erl_interface/src/epmd/ei_epmd.h
index 40e5ece572..ccacfed244 100644
--- a/lib/erl_interface/src/epmd/ei_epmd.h
+++ b/lib/erl_interface/src/epmd/ei_epmd.h
@@ -1,7 +1,7 @@
/*
* %CopyrightBegin%
*
- * Copyright Ericsson AB 1998-2009. All Rights Reserved.
+ * Copyright Ericsson AB 1998-2010. All Rights Reserved.
*
* The contents of this file are subject to the Erlang Public License,
* Version 1.1, (the "License"); you may not use this file except in
@@ -40,20 +40,13 @@
#define EI_MYPROTO 0 /* tcp/ip */
#endif
-/* epmd r3 protocol */
-#ifndef EI_EPMD_ALIVE_REQ
-#define EI_EPMD_ALIVE_REQ 'a'
-#define EI_EPMD_ALIVE_OK_RESP 'Y'
-#define EI_EPMD_PORT_REQ 'p'
-#define EI_EPMD_STOP_REQ 's'
-#endif
-
/* epmd r4 */
#ifndef EI_EPMD_ALIVE2_REQ
#define EI_EPMD_ALIVE2_REQ 120
#define EI_EPMD_ALIVE2_RESP 121
#define EI_EPMD_PORT2_REQ 122
#define EI_EPMD_PORT2_RESP 119
+#define EI_EPMD_STOP_REQ 's'
#endif
/* internal functions */
diff --git a/lib/erl_interface/src/epmd/epmd_port.c b/lib/erl_interface/src/epmd/epmd_port.c
index 663b38d2d4..3dd3da7aae 100644
--- a/lib/erl_interface/src/epmd/epmd_port.c
+++ b/lib/erl_interface/src/epmd/epmd_port.c
@@ -1,7 +1,7 @@
/*
* %CopyrightBegin%
*
- * Copyright Ericsson AB 1998-2009. All Rights Reserved.
+ * Copyright Ericsson AB 1998-2010. All Rights Reserved.
*
* The contents of this file are subject to the Erlang Public License,
* Version 1.1, (the "License"); you may not use this file except in
@@ -92,64 +92,6 @@ int ei_epmd_connect_tmo(struct in_addr *inaddr, unsigned ms)
return sd;
}
-/* get the given node's listen port using old epmd protocol */
-static int ei_epmd_r3_port (struct in_addr *addr, const char *alive,
- unsigned ms)
-{
- char buf[EPMDBUF];
- char *s = buf;
- int len = strlen(alive) + 1;
- int fd;
- int port;
- int res;
-#if defined(VXWORKS)
- char ntoabuf[32];
-#endif
-
- put16be(s,len);
- put8(s,EI_EPMD_PORT_REQ);
- strcpy(s,alive);
-
- /* connect to epmd */
- if ((fd = ei_epmd_connect_tmo(addr,ms)) < 0)
- {
- /* ei_epmd_connect_tmo() sets erl_errno */
- return -1;
- }
-
- if ((res = ei_write_fill_t(fd, buf, len+2, ms)) != len+2) {
- closesocket(fd);
- erl_errno = (res == -2) ? ETIMEDOUT : EIO;
- return -1;
- }
-
-#ifdef VXWORKS
- /* FIXME use union/macro for level. Correct level? */
- if (ei_tracelevel > 2) {
- inet_ntoa_b(*addr,ntoabuf);
- EI_TRACE_CONN2("ei_epmd_r3_port",
- "-> PORT_REQ alive=%s ip=%s",alive,ntoabuf);
- }
-#else
- EI_TRACE_CONN2("ei_epmd_r3_port",
- "-> PORT_REQ alive=%s ip=%s",alive,inet_ntoa(*addr));
-#endif
-
- if ((res = ei_read_fill_t(fd, buf, 2, ms)) != 2) {
- EI_TRACE_ERR0("ei_epmd_r3_port","<- CLOSE");
- closesocket(fd);
- erl_errno = (res == -2) ? ETIMEDOUT : EIO;
- return -1;
- }
- closesocket(fd);
- s = buf;
- port = get16be(s);
-
- EI_TRACE_CONN1("ei_epmd_r3_port","<- PORT_RESP port=%d",port);
-
- return port;
-}
-
static int ei_epmd_r4_port (struct in_addr *addr, const char *alive,
int *dist, unsigned ms)
{
@@ -285,15 +227,6 @@ int ei_epmd_port_tmo (struct in_addr *addr, const char *alive, int *dist,
{
int i;
- /* try the new one first, then the old one */
- i = ei_epmd_r4_port(addr,alive,dist,ms);
-
- /* -2: new protocol not understood */
- if (i == -2) {
- *dist = 0;
- i = ei_epmd_r3_port(addr,alive,ms);
- }
-
- return i;
+ return ei_epmd_r4_port(addr,alive,dist,ms);
}
diff --git a/lib/erl_interface/src/epmd/epmd_publish.c b/lib/erl_interface/src/epmd/epmd_publish.c
index 09b3dce43b..a9b8727747 100644
--- a/lib/erl_interface/src/epmd/epmd_publish.c
+++ b/lib/erl_interface/src/epmd/epmd_publish.c
@@ -1,7 +1,7 @@
/*
* %CopyrightBegin%
*
- * Copyright Ericsson AB 1998-2009. All Rights Reserved.
+ * Copyright Ericsson AB 1998-2010. All Rights Reserved.
*
* The contents of this file are subject to the Erlang Public License,
* Version 1.1, (the "License"); you may not use this file except in
@@ -55,62 +55,6 @@
/* publish our listen port and alive name */
/* return the (useless) creation number */
-static int ei_epmd_r3_publish (int port, const char *alive, unsigned ms)
-{
- char buf[EPMDBUF];
- char *s = buf;
- int fd;
- int len = strlen(alive) + 3;
- int res,creation;
-
- s = buf;
- put16be(s,len);
- put8(s,EI_EPMD_ALIVE_REQ);
- put16be(s,port);
- strcpy(s, alive);
-
- if ((fd = ei_epmd_connect_tmo(NULL,ms)) < 0) return fd;
-
- if ((res = ei_write_fill_t(fd, buf, len+2, ms)) != len+2) {
- closesocket(fd);
- erl_errno = (res == -2) ? ETIMEDOUT : EIO;
- return -1;
- }
-
- EI_TRACE_CONN2("ei_epmd_r3_publish",
- "-> ALIVE_REQ alive=%s port=%d",alive,port);
-
- if ((res = ei_read_fill_t(fd, buf, 3, ms)) != 3) {
- closesocket(fd);
- erl_errno = (res == -2) ? ETIMEDOUT : EIO;
- return -1;
- }
-
- s = buf;
- if ((res=get8(s)) != EI_EPMD_ALIVE_OK_RESP) {
- EI_TRACE_ERR1("ei_epmd_r3_publish",
- "<- ALIVE_NOK result=%d (failure)",res);
- closesocket(fd);
- erl_errno = EIO;
- return -1;
- }
-
- creation = get16be(s);
-
- EI_TRACE_CONN1("ei_epmd_r3_publish","<- ALIVE_OK creation=%d",creation);
-
- /* Don't close fd here! It keeps us registered with epmd */
-
- /* probably should save fd so we can close it later... */
- /* epmd_saveconn(OPEN,fd,alive); */
-
- /* return the creation number, for no good reason */
- /* return creation; */
-
- /* no! return the descriptor */
- return fd;
-}
-
/* publish our listen port and alive name */
/* return the (useless) creation number */
/* this protocol is a lot more complex than the old one */
@@ -200,15 +144,7 @@ int ei_epmd_publish(int port, const char *alive)
int ei_epmd_publish_tmo(int port, const char *alive, unsigned ms)
{
- int i;
-
- /* try the new one first, then the old one */
- i = ei_epmd_r4_publish(port,alive, ms);
-
- /* -2: new protocol not understood */
- if (i == -2) i = ei_epmd_r3_publish(port,alive, ms);
-
- return i;
+ return ei_epmd_r4_publish(port,alive, ms);;
}
diff --git a/lib/jinterface/java_src/com/ericsson/otp/erlang/OtpEpmd.java b/lib/jinterface/java_src/com/ericsson/otp/erlang/OtpEpmd.java
index 3bb678c2cc..deac528133 100644
--- a/lib/jinterface/java_src/com/ericsson/otp/erlang/OtpEpmd.java
+++ b/lib/jinterface/java_src/com/ericsson/otp/erlang/OtpEpmd.java
@@ -1,7 +1,7 @@
/*
* %CopyrightBegin%
*
- * Copyright Ericsson AB 2000-2009. All Rights Reserved.
+ * Copyright Ericsson AB 2000-2010. All Rights Reserved.
*
* The contents of this file are subject to the Erlang Public License,
* Version 1.1, (the "License"); you may not use this file except in
@@ -71,11 +71,6 @@ public class OtpEpmd {
// common values
private static final byte stopReq = (byte) 115;
- // version specific value
- private static final byte port3req = (byte) 112;
- private static final byte publish3req = (byte) 97;
- private static final byte publish3ok = (byte) 89;
-
private static final byte port4req = (byte) 122;
private static final byte port4resp = (byte) 119;
private static final byte publish4req = (byte) 120;
@@ -123,11 +118,7 @@ public class OtpEpmd {
* if there was no response from the name server.
*/
public static int lookupPort(final AbstractNode node) throws IOException {
- try {
return r4_lookupPort(node);
- } catch (final IOException e) {
- return r3_lookupPort(node);
- }
}
/**
@@ -147,11 +138,7 @@ public class OtpEpmd {
throws IOException {
Socket s = null;
- try {
- s = r4_publish(node);
- } catch (final IOException e) {
- s = r3_publish(node);
- }
+ s = r4_publish(node);
node.setEpmd(s);
@@ -196,67 +183,6 @@ public class OtpEpmd {
}
}
- private static int r3_lookupPort(final AbstractNode node)
- throws IOException {
- int port = 0;
- Socket s = null;
-
- try {
- final OtpOutputStream obuf = new OtpOutputStream();
- s = new Socket(node.host(), EpmdPort.get());
-
- // build and send epmd request
- // length[2], tag[1], alivename[n] (length = n+1)
- obuf.write2BE(node.alive().length() + 1);
- obuf.write1(port3req);
- obuf.writeN(node.alive().getBytes());
-
- // send request
- obuf.writeTo(s.getOutputStream());
-
- if (traceLevel >= traceThreshold) {
- System.out.println("-> LOOKUP (r3) " + node);
- }
-
- // receive and decode reply
- final byte[] tmpbuf = new byte[100];
-
- s.getInputStream().read(tmpbuf);
- final OtpInputStream ibuf = new OtpInputStream(tmpbuf, 0);
-
- port = ibuf.read2BE();
- } catch (final IOException e) {
- if (traceLevel >= traceThreshold) {
- System.out.println("<- (no response)");
- }
- throw new IOException("Nameserver not responding on " + node.host()
- + " when looking up " + node.alive());
- } catch (final OtpErlangDecodeException e) {
- if (traceLevel >= traceThreshold) {
- System.out.println("<- (invalid response)");
- }
- throw new IOException("Nameserver not responding on " + node.host()
- + " when looking up " + node.alive());
- } finally {
- try {
- if (s != null) {
- s.close();
- }
- } catch (final IOException e) { /* ignore close errors */
- }
- s = null;
- }
-
- if (traceLevel >= traceThreshold) {
- if (port == 0) {
- System.out.println("<- NOT FOUND");
- } else {
- System.out.println("<- PORT " + port);
- }
- }
- return port;
- }
-
private static int r4_lookupPort(final AbstractNode node)
throws IOException {
int port = 0;
@@ -288,8 +214,6 @@ public class OtpEpmd {
final int n = s.getInputStream().read(tmpbuf);
if (n < 0) {
- // this was an r3 node => not a failure (yet)
-
s.close();
throw new IOException("Nameserver not responding on "
+ node.host() + " when looking up " + node.alive());
@@ -342,81 +266,13 @@ public class OtpEpmd {
return port;
}
- private static Socket r3_publish(final OtpLocalNode node)
- throws IOException {
- Socket s = null;
-
- try {
- final OtpOutputStream obuf = new OtpOutputStream();
- s = new Socket((String) null, EpmdPort.get());
-
- obuf.write2BE(node.alive().length() + 3);
-
- obuf.write1(publish3req);
- obuf.write2BE(node.port());
- obuf.writeN(node.alive().getBytes());
-
- // send request
- obuf.writeTo(s.getOutputStream());
- if (traceLevel >= traceThreshold) {
- System.out.println("-> PUBLISH (r3) " + node + " port="
- + node.port());
- }
-
- final byte[] tmpbuf = new byte[100];
-
- final int n = s.getInputStream().read(tmpbuf);
-
- if (n < 0) {
- s.close();
- if (traceLevel >= traceThreshold) {
- System.out.println("<- (no response)");
- }
- return null;
- }
-
- final OtpInputStream ibuf = new OtpInputStream(tmpbuf, 0);
-
- if (ibuf.read1() == publish3ok) {
- node.creation = ibuf.read2BE();
- if (traceLevel >= traceThreshold) {
- System.out.println("<- OK");
- }
- return s; // success - don't close socket
- }
- } catch (final IOException e) {
- // epmd closed the connection = fail
- if (s != null) {
- s.close();
- }
- if (traceLevel >= traceThreshold) {
- System.out.println("<- (no response)");
- }
- throw new IOException("Nameserver not responding on " + node.host()
- + " when publishing " + node.alive());
- } catch (final OtpErlangDecodeException e) {
- if (s != null) {
- s.close();
- }
- if (traceLevel >= traceThreshold) {
- System.out.println("<- (invalid response)");
- }
- throw new IOException("Nameserver not responding on " + node.host()
- + " when publishing " + node.alive());
- }
-
- if (s != null) {
- s.close();
- }
- return null; // failure
- }
-
/*
- * this function will get an exception if it tries to talk to an r3 epmd, or
- * if something else happens that it cannot forsee. In both cases we return
- * an exception (and the caller should try again, using the r3 protocol). If
- * we manage to successfully communicate with an r4 epmd, we return either
- * the socket, or null, depending on the result.
+ * this function will get an exception if it tries to talk to a
+ * very old epmd, or if something else happens that it cannot
+ * forsee. In both cases we return an exception. We no longer
+ * support r3, so the exception is fatal. If we manage to
+ * successfully communicate with an r4 epmd, we return either the
+ * socket, or null, depending on the result.
*/
private static Socket r4_publish(final OtpLocalNode node)
throws IOException {
@@ -454,7 +310,6 @@ public class OtpEpmd {
final int n = s.getInputStream().read(tmpbuf);
if (n < 0) {
- // this was an r3 node => not a failure (yet)
if (s != null) {
s.close();
}
diff --git a/lib/kernel/src/erl_epmd.erl b/lib/kernel/src/erl_epmd.erl
index 4a22637304..91af49f303 100644
--- a/lib/kernel/src/erl_epmd.erl
+++ b/lib/kernel/src/erl_epmd.erl
@@ -210,19 +210,6 @@ open({A,B,C,D,E,F,G,H}=EpmdAddr, Timeout) when ?ip6(A,B,C,D,E,F,G,H) ->
close(Socket) ->
gen_tcp:close(Socket).
-
-do_register_node_v0(NodeName, TcpPort) ->
- case open() of
- {ok, Socket} ->
- Name = cstring(NodeName),
- Len = 1+2+length(Name),
- gen_tcp:send(Socket, [?int16(Len), ?EPMD_ALIVE,
- ?int16(TcpPort), Name]),
- wait_for_reg_reply_v0(Socket, []);
- Error ->
- Error
- end.
-
do_register_node(NodeName, TcpPort) ->
case open() of
{ok, Socket} ->
@@ -240,14 +227,7 @@ do_register_node(NodeName, TcpPort) ->
Name,
?int16(Elen),
Extra]),
- case wait_for_reg_reply(Socket, []) of
- {error, epmd_close} ->
- %% could be old epmd; try old protocol
-% erlang:display('trying old'),
- do_register_node_v0(NodeName, TcpPort);
- Other ->
- Other
- end;
+ wait_for_reg_reply(Socket, []);
Error ->
Error
end.
@@ -305,41 +285,9 @@ wait_for_reg_reply(Socket, SoFar) ->
{error, no_reg_reply_from_epmd}
end.
-wait_for_reg_reply_v0(Socket, SoFar) ->
- receive
- {tcp, Socket, Data0} ->
- case SoFar ++ Data0 of
- [$Y, A, B] ->
- {alive, Socket, ?u16(A, B)};
- Data when length(Data) < 3 ->
- wait_for_reg_reply(Socket, Data);
- Garbage ->
- {error, {garbage_from_epmd, Garbage}}
- end;
- {tcp_closed, Socket} ->
- {error, duplicate_name} % A guess -- the most likely reason.
- after 10000 ->
- gen_tcp:close(Socket),
- {error, no_reg_reply_from_epmd}
- end.
%%
%% Lookup a node "Name" at Host
%%
-get_port_v0(Node, EpmdAddress) ->
- case open(EpmdAddress) of
- {ok, Socket} ->
- Name = cstring(Node),
- Len = 1+length(Name),
- gen_tcp:send(Socket, [?int16(Len),?EPMD_PORT_PLEASE, Name]),
- wait_for_port_reply_v0(Socket, []);
- _Error ->
- ?port_please_failure(),
- noport
- end.
-
-%%% Not used anymore
-%%% get_port(Node, EpmdAddress) ->
-%%% get_port(Node, EpmdAddress, infinity).
get_port(Node, EpmdAddress, Timeout) ->
case open(EpmdAddress, Timeout) of
@@ -347,40 +295,12 @@ get_port(Node, EpmdAddress, Timeout) ->
Name = to_string(Node),
Len = 1+length(Name),
gen_tcp:send(Socket, [?int16(Len),?EPMD_PORT_PLEASE2_REQ, Name]),
- Reply = wait_for_port_reply(Socket, []),
- case Reply of
- closed ->
- get_port_v0(Node, EpmdAddress);
- Other ->
- Other
- end;
+ wait_for_port_reply(Socket, []);
_Error ->
?port_please_failure2(_Error),
noport
end.
-wait_for_port_reply_v0(Socket, SoFar) ->
- receive
- {tcp, Socket, Data0} ->
-% io:format("got ~p~n", [Data0]),
- case SoFar ++ Data0 of
- [A, B] ->
- wait_for_close(Socket, {port, ?u16(A, B), 0});
-% wait_for_close(Socket, {port, ?u16(A, B)});
- Data when length(Data) < 2 ->
- wait_for_port_reply_v0(Socket, Data);
- Garbage ->
- ?port_please_failure(),
- {error, {garbage_from_epmd, Garbage}}
- end;
- {tcp_closed, Socket} ->
- ?port_please_failure(),
- noport
- after 10000 ->
- ?port_please_failure(),
- gen_tcp:close(Socket),
- noport
- end.
wait_for_port_reply(Socket, SoFar) ->
receive
@@ -487,8 +407,6 @@ wait_for_close(Socket, Reply) ->
%%
%% Creates a (flat) null terminated string from atom or list.
%%
-cstring(S) when is_atom(S) -> cstring(atom_to_list(S));
-cstring(S) when is_list(S) -> S ++ [0].
to_string(S) when is_atom(S) -> atom_to_list(S);
to_string(S) when is_list(S) -> S.
diff --git a/lib/kernel/src/erl_epmd.hrl b/lib/kernel/src/erl_epmd.hrl
index 47ab6195d8..5a50fda508 100644
--- a/lib/kernel/src/erl_epmd.hrl
+++ b/lib/kernel/src/erl_epmd.hrl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1998-2009. All Rights Reserved.
+%% Copyright Ericsson AB 1998-2010. All Rights Reserved.
%%
%% The contents of this file are subject to the Erlang Public License,
%% Version 1.1, (the "License"); you may not use this file except in
@@ -17,16 +17,13 @@
%% %CopyrightEnd%
%%
--define(EPMD_ALIVE, $a).
--define(EPMD_PORT_PLEASE, $p).
--define(EPMD_NAMES, $n).
--define(EPMD_DUMP, $d).
--define(EPMD_KILL, $k).
--define(EPMD_STOP, $s).
-
--define(EPMD_ALIVE_OK, $Y).
-
-define(EPMD_ALIVE2_REQ, $x).
-define(EPMD_PORT_PLEASE2_REQ, $z).
-define(EPMD_ALIVE2_RESP, $y).
-define(EPMD_PORT2_RESP, $w).
+-define(EPMD_NAMES, $n).
+
+%% Commands used only by interactive client
+-define(EPMD_DUMP, $d).
+-define(EPMD_KILL, $k).
+-define(EPMD_STOP, $s).
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-05 06:31:13 +0000