Mercurial Hosting > luan
annotate src/goodjava/rpc/RpcCon.java @ 1652:d5779a264a4a
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| author | Franklin Schmidt <fschmidt@gmail.com> |
|---|---|
| date | Thu, 31 Mar 2022 19:04:59 -0600 |
| parents | 22e15cf73040 |
| children | 973d3039c421 |
| rev | line source |
|---|---|
|
1402
27efb1fcbcb5
move luan.lib to goodjava
Franklin Schmidt <fschmidt@gmail.com>
parents:
1120
diff
changeset
|
1 package goodjava.rpc; |
| 1118 | 2 |
| 3 import java.io.InputStream; | |
| 1492 | 4 import java.io.BufferedOutputStream; |
| 1118 | 5 import java.io.IOException; |
| 6 import java.net.Socket; | |
| 7 import java.util.List; | |
|
1402
27efb1fcbcb5
move luan.lib to goodjava
Franklin Schmidt <fschmidt@gmail.com>
parents:
1120
diff
changeset
|
8 import goodjava.parser.ParseException; |
|
27efb1fcbcb5
move luan.lib to goodjava
Franklin Schmidt <fschmidt@gmail.com>
parents:
1120
diff
changeset
|
9 import goodjava.json.JsonParser; |
|
27efb1fcbcb5
move luan.lib to goodjava
Franklin Schmidt <fschmidt@gmail.com>
parents:
1120
diff
changeset
|
10 import goodjava.json.JsonToString; |
| 1492 | 11 import goodjava.io.BufferedInputStream; |
| 12 import goodjava.io.DataInputStream; | |
| 13 import goodjava.io.DataOutputStream; | |
| 1493 | 14 import goodjava.io.IoUtils; |
| 1494 | 15 import goodjava.io.CountingInputStream; |
| 1118 | 16 |
| 17 | |
| 18 public class RpcCon { | |
| 1492 | 19 private final Socket socket; |
| 20 private final DataInputStream in; | |
| 21 private final DataOutputStream out; | |
| 1118 | 22 InputStream inBinary = null; |
| 23 long lenBinary = -1; | |
| 24 | |
| 1119 | 25 RpcCon(Socket socket) |
| 26 throws RpcError | |
| 27 { | |
| 28 try { | |
| 29 this.socket = socket; | |
| 1492 | 30 this.in = new DataInputStream(new BufferedInputStream(socket.getInputStream())); |
| 31 this.out = new DataOutputStream(new BufferedOutputStream(socket.getOutputStream())); | |
| 1119 | 32 } catch(IOException e) { |
| 33 close(); | |
| 34 throw new RpcError(e); | |
| 35 } | |
| 1118 | 36 } |
| 37 | |
| 38 public void close() | |
| 1119 | 39 throws RpcError |
| 1118 | 40 { |
| 1119 | 41 try { |
| 42 socket.close(); | |
| 43 } catch(IOException e) { | |
| 44 throw new RpcError(e); | |
| 45 } | |
| 1118 | 46 } |
| 47 | |
| 48 public boolean isClosed() { | |
| 49 return socket.isClosed(); | |
| 50 } | |
| 51 | |
| 52 void write(InputStream in,long lenIn,List list) | |
| 1119 | 53 throws RpcError |
| 1118 | 54 { |
| 55 if( in != null ) | |
| 56 list.add(0,lenIn); | |
|
1419
59fd2e8b1b9d
stringify and json_string
Franklin Schmidt <fschmidt@gmail.com>
parents:
1402
diff
changeset
|
57 String json = new JsonToString().toString(list); |
| 1119 | 58 try { |
| 1492 | 59 out.writeString(json); |
| 1119 | 60 if( in != null ) { |
| 1494 | 61 CountingInputStream countIn = new CountingInputStream(in); |
| 62 IoUtils.copyAll(countIn,out); | |
| 63 if( countIn.count() != lenIn ) { | |
| 1119 | 64 close(); |
| 1499 | 65 throw new RpcError("InputStream wrong length "+countIn.count()+" when should be "+lenIn+" - list = "+list); |
| 1119 | 66 } |
| 1118 | 67 } |
| 1492 | 68 out.flush(); |
| 1119 | 69 } catch(IOException e) { |
| 70 close(); | |
| 71 throw new RpcError(e); | |
| 1118 | 72 } |
| 73 } | |
| 74 | |
| 75 List readJson() | |
| 1119 | 76 throws RpcError |
| 1118 | 77 { |
| 1119 | 78 try { |
| 79 if( inBinary != null ) { | |
| 80 inBinary.close(); | |
| 81 inBinary = null; | |
| 82 lenBinary = -1; | |
| 83 } | |
| 1492 | 84 String json = in.readString(); |
| 1119 | 85 List list = (List)JsonParser.parse(json); |
| 86 if( list.get(0) instanceof Long ) { | |
| 87 lenBinary = (Long)list.remove(0); | |
| 88 inBinary = new FixedLengthInputStream(in,lenBinary); | |
| 89 } | |
| 90 return list; | |
| 91 } catch(IOException e) { | |
| 92 close(); | |
| 93 throw new RpcError(e); | |
| 94 } catch(ParseException e) { | |
| 95 close(); | |
| 96 throw new RpcError(e); | |
| 1118 | 97 } |
| 98 } | |
| 99 | |
| 100 } |