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* Added support for SESSION CREATE STYLE=STREAM DIRECTION={CREATE|RECEIVE|BOTH}

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* M-x untabify
(human)
This commit is contained in:
human
2004-04-16 03:42:05 +00:00
committed by zzz
parent 031338d84d
commit c0bb3da22f
4 changed files with 911 additions and 868 deletions
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234
apps/sam/java/src/net/i2p/sam/SAMHandlerFactory.java
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@@ -35,145 +35,145 @@ public class SAMHandlerFactory {
* @return A SAM protocol handler
*/
public static SAMHandler createSAMHandler(Socket s) throws SAMException {
BufferedReader br;
StringTokenizer tok;
BufferedReader br;
StringTokenizer tok;
try {
br = new BufferedReader(new InputStreamReader(s.getInputStream(),
"ISO-8859-1"));
tok = new StringTokenizer(br.readLine(), " ");
} catch (IOException e) {
throw new SAMException("Error reading from socket: "
+ e.getMessage());
} catch (Exception e) {
throw new SAMException("Unexpected error: "
+ e.getMessage());
}
try {
br = new BufferedReader(new InputStreamReader(s.getInputStream(),
"ISO-8859-1"));
tok = new StringTokenizer(br.readLine(), " ");
} catch (IOException e) {
throw new SAMException("Error reading from socket: "
+ e.getMessage());
} catch (Exception e) {
throw new SAMException("Unexpected error: "
+ e.getMessage());
}
// Message format: HELLO VERSION MIN=v1 MAX=v2
if (tok.countTokens() != 4) {
throw new SAMException("Bad format in HELLO message");
}
if (!tok.nextToken().equals("HELLO")) {
throw new SAMException("Bad domain in HELLO message");
}
{
String opcode;
if (!(opcode = tok.nextToken()).equals("VERSION")) {
throw new SAMException("Unrecognized HELLO message opcode: \""
+ opcode + "\"");
}
}
// Message format: HELLO VERSION MIN=v1 MAX=v2
if (tok.countTokens() != 4) {
throw new SAMException("Bad format in HELLO message");
}
if (!tok.nextToken().equals("HELLO")) {
throw new SAMException("Bad domain in HELLO message");
}
{
String opcode;
if (!(opcode = tok.nextToken()).equals("VERSION")) {
throw new SAMException("Unrecognized HELLO message opcode: \""
+ opcode + "\"");
}
}
Properties props;
props = SAMUtils.parseParams(tok);
if (props == null) {
throw new SAMException("No parameters in HELLO VERSION message");
}
Properties props;
props = SAMUtils.parseParams(tok);
if (props == null) {
throw new SAMException("No parameters in HELLO VERSION message");
}
String minVer = props.getProperty("MIN");
if (minVer == null) {
throw new SAMException("Missing MIN parameter in HELLO VERSION message");
}
String minVer = props.getProperty("MIN");
if (minVer == null) {
throw new SAMException("Missing MIN parameter in HELLO VERSION message");
}
String maxVer = props.getProperty("MAX");
if (maxVer == null) {
throw new SAMException("Missing MAX parameter in HELLO VERSION message");
}
String maxVer = props.getProperty("MAX");
if (maxVer == null) {
throw new SAMException("Missing MAX parameter in HELLO VERSION message");
}
String ver = chooseBestVersion(minVer, maxVer);
if (ver == null) {
// Let's answer negatively
try {
OutputStream out = s.getOutputStream();
out.write("HELLO REPLY RESULT=NOVERSION\n".getBytes("ISO-8859-1"));
return null;
} catch (UnsupportedEncodingException e) {
_log.error("Caught UnsupportedEncodingException ("
+ e.getMessage() + ")");
throw new SAMException("Character encoding error: "
+ e.getMessage());
} catch (IOException e) {
throw new SAMException("Error reading from socket: "
+ e.getMessage());
}
}
String ver = chooseBestVersion(minVer, maxVer);
if (ver == null) {
// Let's answer negatively
try {
OutputStream out = s.getOutputStream();
out.write("HELLO REPLY RESULT=NOVERSION\n".getBytes("ISO-8859-1"));
return null;
} catch (UnsupportedEncodingException e) {
_log.error("Caught UnsupportedEncodingException ("
+ e.getMessage() + ")");
throw new SAMException("Character encoding error: "
+ e.getMessage());
} catch (IOException e) {
throw new SAMException("Error reading from socket: "
+ e.getMessage());
}
}
// Let's answer positively
try {
OutputStream out = s.getOutputStream();
out.write(("HELLO REPLY RESULT=OK VERSION="
+ ver + "\n").getBytes("ISO-8859-1"));
} catch (UnsupportedEncodingException e) {
_log.error("Caught UnsupportedEncodingException ("
+ e.getMessage() + ")");
throw new SAMException("Character encoding error: "
+ e.getMessage());
} catch (IOException e) {
throw new SAMException("Error writing to socket: "
+ e.getMessage());
}
// Let's answer positively
try {
OutputStream out = s.getOutputStream();
out.write(("HELLO REPLY RESULT=OK VERSION="
+ ver + "\n").getBytes("ISO-8859-1"));
} catch (UnsupportedEncodingException e) {
_log.error("Caught UnsupportedEncodingException ("
+ e.getMessage() + ")");
throw new SAMException("Character encoding error: "
+ e.getMessage());
} catch (IOException e) {
throw new SAMException("Error writing to socket: "
+ e.getMessage());
}
// ...and instantiate the right SAM handler
int verMajor = getMajor(ver);
int verMinor = getMinor(ver);
SAMHandler handler;
switch (verMajor) {
case 1:
handler = new SAMv1Handler(s, verMajor, verMinor);
break;
default:
_log.error("BUG! Trying to initialize the wrong SAM version!");
throw new SAMException("BUG triggered! (handler instantiation)");
}
// ...and instantiate the right SAM handler
int verMajor = getMajor(ver);
int verMinor = getMinor(ver);
SAMHandler handler;
switch (verMajor) {
case 1:
handler = new SAMv1Handler(s, verMajor, verMinor);
break;
default:
_log.error("BUG! Trying to initialize the wrong SAM version!");
throw new SAMException("BUG triggered! (handler instantiation)");
}
return handler;
return handler;
}
/* Return the best version we can use, or null on failure */
private static String chooseBestVersion(String minVer, String maxVer) {
int minMajor = getMajor(minVer), minMinor = getMinor(minVer);
int maxMajor = getMajor(maxVer), maxMinor = getMinor(maxVer);
int minMajor = getMajor(minVer), minMinor = getMinor(minVer);
int maxMajor = getMajor(maxVer), maxMinor = getMinor(maxVer);
// Consistency checks
if ((minMajor == -1) || (minMinor == -1)
|| (maxMajor == -1) || (maxMinor == -1)) {
return null;
}
if (minMajor > maxMajor) {
return null;
} else if ((minMajor == maxMajor) && (minMinor > maxMinor)) {
return null;
}
// Consistency checks
if ((minMajor == -1) || (minMinor == -1)
|| (maxMajor == -1) || (maxMinor == -1)) {
return null;
}
if (minMajor > maxMajor) {
return null;
} else if ((minMajor == maxMajor) && (minMinor > maxMinor)) {
return null;
}
if ((minMajor >= 1) && (minMinor >= 0)) {
return "1.0";
}
return null;
if ((minMajor >= 1) && (minMinor >= 0)) {
return "1.0";
}
return null;
}
/* Get the major protocol version from a string */
private static int getMajor(String ver) {
try {
String major = ver.substring(0, ver.indexOf("."));
return Integer.parseInt(major);
} catch (NumberFormatException e) {
return -1;
} catch (ArrayIndexOutOfBoundsException e) {
return -1;
}
try {
String major = ver.substring(0, ver.indexOf("."));
return Integer.parseInt(major);
} catch (NumberFormatException e) {
return -1;
} catch (ArrayIndexOutOfBoundsException e) {
return -1;
}
}
/* Get the minor protocol version from a string */
private static int getMinor(String ver) {
try {
String major = ver.substring(ver.indexOf(".") + 1);
return Integer.parseInt(major);
} catch (NumberFormatException e) {
return -1;
} catch (ArrayIndexOutOfBoundsException e) {
return -1;
}
try {
String major = ver.substring(ver.indexOf(".") + 1);
return Integer.parseInt(major);
} catch (NumberFormatException e) {
return -1;
} catch (ArrayIndexOutOfBoundsException e) {
return -1;
}
}
}