From 4390e435584d57b5fb41309f80043cb954c241cd Mon Sep 17 00:00:00 2001 From: Vlad Dumitrescu Date: Wed, 10 Sep 2014 11:56:34 +0200 Subject: silence 'potential resource leak' warnings OtpInputStream and OtoOutputStream don't need closing (they are ByteArray*Streams) --- .../com/ericsson/otp/erlang/AbstractConnection.java | 20 ++++++++++++++++++++ .../com/ericsson/otp/erlang/OtpConnection.java | 2 ++ .../com/ericsson/otp/erlang/OtpCookedConnection.java | 2 ++ .../java_src/com/ericsson/otp/erlang/OtpEpmd.java | 7 +++++++ .../com/ericsson/otp/erlang/OtpInputStream.java | 1 + .../com/ericsson/otp/erlang/OtpOutputStream.java | 6 ++++++ lib/jinterface/test/nc_SUITE_data/echo_server.java | 2 ++ 7 files changed, 40 insertions(+) (limited to 'lib/jinterface') diff --git a/lib/jinterface/java_src/com/ericsson/otp/erlang/AbstractConnection.java b/lib/jinterface/java_src/com/ericsson/otp/erlang/AbstractConnection.java index a80d02e12c..798cd6c689 100644 --- a/lib/jinterface/java_src/com/ericsson/otp/erlang/AbstractConnection.java +++ b/lib/jinterface/java_src/com/ericsson/otp/erlang/AbstractConnection.java @@ -234,6 +234,7 @@ public abstract class AbstractConnection extends Thread { if (!connected) { throw new IOException("Not connected"); } + @SuppressWarnings("resource") final OtpOutputStream header = new OtpOutputStream(headerLen); // preamble: 4 byte length + "passthrough" tag + version @@ -278,6 +279,7 @@ public abstract class AbstractConnection extends Thread { if (!connected) { throw new IOException("Not connected"); } + @SuppressWarnings("resource") final OtpOutputStream header = new OtpOutputStream(headerLen); // preamble: 4 byte length + "passthrough" tag + version @@ -312,6 +314,7 @@ public abstract class AbstractConnection extends Thread { private void cookieError(final OtpLocalNode local, final OtpErlangAtom cookie) throws OtpAuthException { try { + @SuppressWarnings("resource") final OtpOutputStream header = new OtpOutputStream(headerLen); // preamble: 4 byte length + "passthrough" tag + version @@ -347,6 +350,7 @@ public abstract class AbstractConnection extends Thread { msg[0] = new OtpErlangAtom("$gen_cast"); msg[1] = new OtpErlangTuple(msgbody); + @SuppressWarnings("resource") final OtpOutputStream payload = new OtpOutputStream( new OtpErlangTuple(msg)); @@ -384,6 +388,7 @@ public abstract class AbstractConnection extends Thread { if (!connected) { throw new IOException("Not connected"); } + @SuppressWarnings("resource") final OtpOutputStream header = new OtpOutputStream(headerLen); // preamble: 4 byte length + "passthrough" tag @@ -420,6 +425,7 @@ public abstract class AbstractConnection extends Thread { if (!connected) { throw new IOException("Not connected"); } + @SuppressWarnings("resource") final OtpOutputStream header = new OtpOutputStream(headerLen); // preamble: 4 byte length + "passthrough" tag @@ -468,6 +474,7 @@ public abstract class AbstractConnection extends Thread { if (!connected) { throw new IOException("Not connected"); } + @SuppressWarnings("resource") final OtpOutputStream header = new OtpOutputStream(headerLen); // preamble: 4 byte length + "passthrough" tag @@ -488,6 +495,7 @@ public abstract class AbstractConnection extends Thread { do_send(header); } + @SuppressWarnings("resource") @Override public void run() { if (!connected) { @@ -526,6 +534,7 @@ public abstract class AbstractConnection extends Thread { final byte[] tmpbuf = new byte[len]; // i = socket.getInputStream().read(tmpbuf); readSock(socket, tmpbuf); + ibuf.close(); ibuf = new OtpInputStream(tmpbuf, flags); if (ibuf.read1() != passThrough) { @@ -1057,6 +1066,7 @@ public abstract class AbstractConnection extends Thread { protected void sendName(final int dist, final int aflags) throws IOException { + @SuppressWarnings("resource") final OtpOutputStream obuf = new OtpOutputStream(); final String str = localNode.node(); obuf.write2BE(str.length() + 7); // 7 bytes + nodename @@ -1076,6 +1086,7 @@ public abstract class AbstractConnection extends Thread { protected void sendChallenge(final int dist, final int aflags, final int challenge) throws IOException { + @SuppressWarnings("resource") final OtpOutputStream obuf = new OtpOutputStream(); final String str = localNode.node(); obuf.write2BE(str.length() + 11); // 11 bytes + nodename @@ -1101,6 +1112,7 @@ public abstract class AbstractConnection extends Thread { byte[] tmpbuf; readSock(socket, lbuf); + @SuppressWarnings("resource") final OtpInputStream ibuf = new OtpInputStream(lbuf, 0); final int len = ibuf.read2BE(); tmpbuf = new byte[len]; @@ -1114,6 +1126,7 @@ public abstract class AbstractConnection extends Thread { try { final byte[] tmpbuf = read2BytePackage(); + @SuppressWarnings("resource") final OtpInputStream ibuf = new OtpInputStream(tmpbuf, 0); byte[] tmpname; final int len = tmpbuf.length; @@ -1168,6 +1181,7 @@ public abstract class AbstractConnection extends Thread { try { final byte[] buf = read2BytePackage(); + @SuppressWarnings("resource") final OtpInputStream ibuf = new OtpInputStream(buf, 0); peer.ntype = ibuf.read1(); if (peer.ntype != AbstractNode.NTYPE_R6) { @@ -1209,6 +1223,7 @@ public abstract class AbstractConnection extends Thread { protected void sendChallengeReply(final int challenge, final byte[] digest) throws IOException { + @SuppressWarnings("resource") final OtpOutputStream obuf = new OtpOutputStream(); obuf.write2BE(21); obuf.write1(ChallengeReply); @@ -1242,6 +1257,7 @@ public abstract class AbstractConnection extends Thread { try { final byte[] buf = read2BytePackage(); + @SuppressWarnings("resource") final OtpInputStream ibuf = new OtpInputStream(buf, 0); final int tag = ibuf.read1(); if (tag != ChallengeReply) { @@ -1268,6 +1284,7 @@ public abstract class AbstractConnection extends Thread { protected void sendChallengeAck(final byte[] digest) throws IOException { + @SuppressWarnings("resource") final OtpOutputStream obuf = new OtpOutputStream(); obuf.write2BE(17); obuf.write1(ChallengeAck); @@ -1287,6 +1304,7 @@ public abstract class AbstractConnection extends Thread { final byte[] her_digest = new byte[16]; try { final byte[] buf = read2BytePackage(); + @SuppressWarnings("resource") final OtpInputStream ibuf = new OtpInputStream(buf, 0); final int tag = ibuf.read1(); if (tag != ChallengeAck) { @@ -1312,6 +1330,7 @@ public abstract class AbstractConnection extends Thread { protected void sendStatus(final String status) throws IOException { + @SuppressWarnings("resource") final OtpOutputStream obuf = new OtpOutputStream(); obuf.write2BE(status.length() + 1); obuf.write1(ChallengeStatus); @@ -1329,6 +1348,7 @@ public abstract class AbstractConnection extends Thread { try { final byte[] buf = read2BytePackage(); + @SuppressWarnings("resource") final OtpInputStream ibuf = new OtpInputStream(buf, 0); final int tag = ibuf.read1(); if (tag != ChallengeStatus) { diff --git a/lib/jinterface/java_src/com/ericsson/otp/erlang/OtpConnection.java b/lib/jinterface/java_src/com/ericsson/otp/erlang/OtpConnection.java index e7a9d1092c..9ad02506fd 100644 --- a/lib/jinterface/java_src/com/ericsson/otp/erlang/OtpConnection.java +++ b/lib/jinterface/java_src/com/ericsson/otp/erlang/OtpConnection.java @@ -358,6 +358,7 @@ public class OtpConnection extends AbstractConnection { * if the connection is not active or a communication * error occurs. */ + @SuppressWarnings("resource") public void send(final OtpErlangPid dest, final OtpErlangObject msg) throws IOException { // encode and send the message @@ -376,6 +377,7 @@ public class OtpConnection extends AbstractConnection { * if the connection is not active or a communication * error occurs. */ + @SuppressWarnings("resource") public void send(final String dest, final OtpErlangObject msg) throws IOException { // encode and send the message diff --git a/lib/jinterface/java_src/com/ericsson/otp/erlang/OtpCookedConnection.java b/lib/jinterface/java_src/com/ericsson/otp/erlang/OtpCookedConnection.java index 5abf6e33f7..43b0cad222 100644 --- a/lib/jinterface/java_src/com/ericsson/otp/erlang/OtpCookedConnection.java +++ b/lib/jinterface/java_src/com/ericsson/otp/erlang/OtpCookedConnection.java @@ -149,6 +149,7 @@ public class OtpCookedConnection extends AbstractConnection { /* * send to pid */ + @SuppressWarnings("resource") void send(final OtpErlangPid from, final OtpErlangPid dest, final OtpErlangObject msg) throws IOException { // encode and send the message @@ -159,6 +160,7 @@ public class OtpCookedConnection extends AbstractConnection { * send to remote name dest is recipient's registered name, the nodename is * implied by the choice of connection. */ + @SuppressWarnings("resource") void send(final OtpErlangPid from, final String dest, final OtpErlangObject msg) throws IOException { // encode and send the message 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 cf4e0ea98f..8a8ba785d9 100644 --- a/lib/jinterface/java_src/com/ericsson/otp/erlang/OtpEpmd.java +++ b/lib/jinterface/java_src/com/ericsson/otp/erlang/OtpEpmd.java @@ -160,6 +160,7 @@ public class OtpEpmd { try { s = new Socket((String) null, EpmdPort.get()); + @SuppressWarnings("resource") final OtpOutputStream obuf = new OtpOutputStream(); obuf.write2BE(node.alive().length() + 1); obuf.write1(stopReq); @@ -189,6 +190,7 @@ public class OtpEpmd { Socket s = null; try { + @SuppressWarnings("resource") final OtpOutputStream obuf = new OtpOutputStream(); s = new Socket(node.host(), EpmdPort.get()); @@ -219,6 +221,7 @@ public class OtpEpmd { + node.host() + " when looking up " + node.alive()); } + @SuppressWarnings("resource") final OtpInputStream ibuf = new OtpInputStream(tmpbuf, 0); final int response = ibuf.read1(); @@ -279,6 +282,7 @@ public class OtpEpmd { Socket s = null; try { + @SuppressWarnings("resource") final OtpOutputStream obuf = new OtpOutputStream(); s = new Socket((String) null, EpmdPort.get()); @@ -315,6 +319,7 @@ public class OtpEpmd { + node.host() + " when publishing " + node.alive()); } + @SuppressWarnings("resource") final OtpInputStream ibuf = new OtpInputStream(tmpbuf, 0); final int response = ibuf.read1(); @@ -360,6 +365,7 @@ public class OtpEpmd { Socket s = null; try { + @SuppressWarnings("resource") final OtpOutputStream obuf = new OtpOutputStream(); try { s = new Socket(address, EpmdPort.get()); @@ -384,6 +390,7 @@ public class OtpEpmd { out.write(buffer, 0, bytesRead); } final byte[] tmpbuf = out.toByteArray(); + @SuppressWarnings("resource") final OtpInputStream ibuf = new OtpInputStream(tmpbuf, 0); ibuf.read4BE(); // read port int // final int port = ibuf.read4BE(); diff --git a/lib/jinterface/java_src/com/ericsson/otp/erlang/OtpInputStream.java b/lib/jinterface/java_src/com/ericsson/otp/erlang/OtpInputStream.java index a6e7936e78..bab0629382 100644 --- a/lib/jinterface/java_src/com/ericsson/otp/erlang/OtpInputStream.java +++ b/lib/jinterface/java_src/com/ericsson/otp/erlang/OtpInputStream.java @@ -1163,6 +1163,7 @@ public class OtpInputStream extends ByteArrayInputStream { throw new OtpErlangDecodeException("Cannot read from input stream"); } + @SuppressWarnings("resource") final OtpInputStream ois = new OtpInputStream(abuf, flags); return ois.read_any(); } diff --git a/lib/jinterface/java_src/com/ericsson/otp/erlang/OtpOutputStream.java b/lib/jinterface/java_src/com/ericsson/otp/erlang/OtpOutputStream.java index c542694550..ef60a9f38a 100644 --- a/lib/jinterface/java_src/com/ericsson/otp/erlang/OtpOutputStream.java +++ b/lib/jinterface/java_src/com/ericsson/otp/erlang/OtpOutputStream.java @@ -870,6 +870,7 @@ public class OtpOutputStream extends ByteArrayOutputStream { * the compression level (0..9) */ public void write_compressed(final OtpErlangObject o, int level) { + @SuppressWarnings("resource") final OtpOutputStream oos = new OtpOutputStream(o); /* * similar to erts_term_to_binary() in external.c: @@ -923,6 +924,11 @@ public class OtpOutputStream extends ByteArrayOutputStream { "Intermediate stream failed for Erlang object " + o); } finally { this.fixedSize = Integer.MAX_VALUE; + try { + dos.close(); + } catch (IOException e) { + // ignore + } } } } diff --git a/lib/jinterface/test/nc_SUITE_data/echo_server.java b/lib/jinterface/test/nc_SUITE_data/echo_server.java index fc9a1a22da..0e43ea0680 100644 --- a/lib/jinterface/test/nc_SUITE_data/echo_server.java +++ b/lib/jinterface/test/nc_SUITE_data/echo_server.java @@ -148,11 +148,13 @@ public class echo_server { final String atomValue = ((OtpErlangAtom) t).atomValue(); if (atomValue.equals("binary") && i instanceof OtpErlangBinary) { final OtpErlangBinary b = (OtpErlangBinary) i; + @SuppressWarnings("resource") final OtpInputStream bis = new OtpInputStream(b.binaryValue(), 0); final OtpErlangObject o = bis.read_any(); return o; } else if (atomValue.equals("compress")) { + @SuppressWarnings("resource") final OtpOutputStream oos = new OtpOutputStream(); oos.write1(OtpExternal.versionTag); oos.write_compressed(i); -- cgit v1.2.3