/**
* Returns a summary of the message
*
* @return "ofmsg=v=$version;t=$type:l=$len:xid=$xid"
*/
public String toString() {
return "snmpmsg"
+ ":v="
+ U8.f(this.getVersion())
+ ";t="
+ this.getType()
+ ";l="
+ this.getLengthU()
+ ";x="
+ U32.f(this.getXid());
}
/**
* Output a dpctl-styled string, i.e., only list the elements that are not wildcarded
*
* <p>A match-everything OFMatch outputs "OFMatch[]"
*
* @return "OFMatch[dl_src:00:20:01:11:22:33,nw_src:192.168.0.0/24,tp_dst:80]"
*/
@Override
public String toString() {
String str = "";
// l1
if ((wildcards & OFPFW_IN_PORT) == 0) str += "," + STR_IN_PORT + "=" + U16.f(this.inputPort);
// l2
if ((wildcards & OFPFW_DL_DST) == 0)
str += "," + STR_DL_DST + "=" + HexString.toHexString(this.dataLayerDestination);
if ((wildcards & OFPFW_DL_SRC) == 0)
str += "," + STR_DL_SRC + "=" + HexString.toHexString(this.dataLayerSource);
if ((wildcards & OFPFW_DL_TYPE) == 0)
str += "," + STR_DL_TYPE + "=0x" + Integer.toHexString(U16.f(this.dataLayerType));
if ((wildcards & OFPFW_DL_VLAN) == 0)
str += "," + STR_DL_VLAN + "=" + U16.f(this.dataLayerVirtualLan);
if ((wildcards & OFPFW_DL_VLAN_PCP) == 0)
str += "," + STR_DL_VLAN_PCP + "=" + U8.f(this.dataLayerVirtualLanPriorityCodePoint);
// l3
if (getNetworkDestinationMaskLen() > 0)
str +=
"," + STR_NW_DST + "=" + cidrToString(networkDestination, getNetworkDestinationMaskLen());
if (getNetworkSourceMaskLen() > 0)
str += "," + STR_NW_SRC + "=" + cidrToString(networkSource, getNetworkSourceMaskLen());
if ((wildcards & OFPFW_NW_PROTO) == 0) str += "," + STR_NW_PROTO + "=" + this.networkProtocol;
if ((wildcards & OFPFW_NW_TOS) == 0) str += "," + STR_NW_TOS + "=" + this.networkTypeOfService;
// l4
if ((wildcards & OFPFW_TP_DST) == 0) str += "," + STR_TP_DST + "=" + this.transportDestination;
if ((wildcards & OFPFW_TP_SRC) == 0) str += "," + STR_TP_SRC + "=" + this.transportSource;
if ((str.length() > 0) && (str.charAt(0) == ','))
str = str.substring(1); // trim the leading ","
// done
return "OFMatch[" + str + "]";
}
/**
* Set this OFMatch's parameters based on a comma-separated key=value pair dpctl-style string,
* e.g., from the output of OFMatch.toString() <br>
*
* <p>Supported keys/values include <br>
*
* <p>
*
* <TABLE border=1>
* <TR>
* <TD>KEY(s)
* <TD>VALUE
* </TR>
* <TR>
* <TD>"in_port","input_port"
* <TD>integer
* </TR>
* <TR>
* <TD>"dl_src","eth_src", "dl_dst","eth_dst"
* <TD>hex-string
* </TR>
* <TR>
* <TD>"dl_type", "dl_vlan", "dl_vlan_pcp"
* <TD>integer
* </TR>
* <TR>
* <TD>"nw_src", "nw_dst", "ip_src", "ip_dst"
* <TD>CIDR-style netmask
* </TR>
* <TR>
* <TD>"tp_src","tp_dst"
* <TD>integer (max 64k)
* </TR>
* </TABLE>
*
* <p>The CIDR-style netmasks assume 32 netmask if none given, so: "128.8.128.118/32" is the same
* as "128.8.128.118"
*
* @param match a key=value comma separated string, e.g.
* "in_port=5,ip_dst=192.168.0.0/16,tp_src=80"
* @throws IllegalArgumentException on unexpected key or value
*/
public void fromString(String match) throws IllegalArgumentException {
if (match.equals("")
|| match.equalsIgnoreCase("any")
|| match.equalsIgnoreCase("all")
|| match.equals("[]")) match = "OFMatch[]";
String[] tokens = match.split("[\\[,\\]]");
String[] values;
int initArg = 0;
if (tokens[0].equals("OFMatch")) initArg = 1;
this.wildcards = OFPFW_ALL;
int i;
for (i = initArg; i < tokens.length; i++) {
values = tokens[i].split("=");
if (values.length != 2)
throw new IllegalArgumentException(
"Token " + tokens[i] + " does not have form 'key=value' parsing " + match);
values[0] = values[0].toLowerCase(); // try to make this case insens
if (values[0].equals(STR_IN_PORT) || values[0].equals("input_port")) {
this.inputPort = U16.t(Integer.valueOf(values[1]));
this.wildcards &= ~OFPFW_IN_PORT;
} else if (values[0].equals(STR_DL_DST) || values[0].equals("eth_dst")) {
this.dataLayerDestination = HexString.fromHexString(values[1]);
this.wildcards &= ~OFPFW_DL_DST;
} else if (values[0].equals(STR_DL_SRC) || values[0].equals("eth_src")) {
this.dataLayerSource = HexString.fromHexString(values[1]);
this.wildcards &= ~OFPFW_DL_SRC;
} else if (values[0].equals(STR_DL_TYPE) || values[0].equals("eth_type")) {
if (values[1].startsWith("0x"))
this.dataLayerType = U16.t(Integer.valueOf(values[1].replaceFirst("0x", ""), 16));
else this.dataLayerType = U16.t(Integer.valueOf(values[1]));
this.wildcards &= ~OFPFW_DL_TYPE;
} else if (values[0].equals(STR_DL_VLAN)) {
if (values[1].startsWith("0x"))
this.dataLayerVirtualLan = U16.t(Integer.valueOf(values[1].replaceFirst("0x", ""), 16));
else this.dataLayerVirtualLan = U16.t(Integer.valueOf(values[1]));
this.wildcards &= ~OFPFW_DL_VLAN;
} else if (values[0].equals(STR_DL_VLAN_PCP)) {
if (values[1].startsWith("0x"))
this.dataLayerVirtualLanPriorityCodePoint =
U8.t(Short.valueOf(values[1].replaceFirst("0x", ""), 16));
else this.dataLayerVirtualLanPriorityCodePoint = U8.t(Short.valueOf(values[1]));
this.wildcards &= ~OFPFW_DL_VLAN_PCP;
} else if (values[0].equals(STR_NW_DST) || values[0].equals("ip_dst"))
setFromCIDR(values[1], STR_NW_DST);
else if (values[0].equals(STR_NW_SRC) || values[0].equals("ip_src"))
setFromCIDR(values[1], STR_NW_SRC);
else if (values[0].equals(STR_NW_PROTO)) {
this.networkProtocol = U8.t(Short.valueOf(values[1]));
this.wildcards &= ~OFPFW_NW_PROTO;
} else if (values[0].equals(STR_NW_TOS)) {
this.networkTypeOfService = U8.t(Short.valueOf(values[1]));
this.wildcards &= ~OFPFW_NW_TOS;
} else if (values[0].equals(STR_TP_DST)) {
this.transportDestination = U16.t(Integer.valueOf(values[1]));
this.wildcards &= ~OFPFW_TP_DST;
} else if (values[0].equals(STR_TP_SRC)) {
this.transportSource = U16.t(Integer.valueOf(values[1]));
this.wildcards &= ~OFPFW_TP_SRC;
} else throw new IllegalArgumentException("unknown token " + tokens[i] + " parsing " + match);
}
}
