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Allow configuration of pcap output file

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This commit is contained in:
Laurent Deru 2013-09-12 16:39:52 +02:00
parent c99a76747c
commit fa2dd5baec
1 changed files with 13 additions and 4 deletions
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17
tools/cooja/java/org/contikios/cooja/plugins/analyzers/PcapExporter.java
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@ -5,6 +5,7 @@ import java.io.FileInputStream;
import java.io.FileOutputStream; import java.io.FileOutputStream;
import java.io.FileWriter; import java.io.FileWriter;
import java.io.IOException; import java.io.IOException;
import java.io.File;
public class PcapExporter { public class PcapExporter {
@ -13,8 +14,15 @@ public class PcapExporter {
public PcapExporter() throws IOException { public PcapExporter() throws IOException {
} }
public void openPcap() throws IOException { public void openPcap(File pcapFile) throws IOException {
out = new DataOutputStream(new FileOutputStream("radiolog-" + System.currentTimeMillis() + ".pcap")); if ( out != null ) {
closePcap();
}
if ( pcapFile == null ) {
/* pcap file not specified, use default file name */
pcapFile = new File("radiolog-" + System.currentTimeMillis() + ".pcap");
}
out = new DataOutputStream(new FileOutputStream(pcapFile));
/* pcap header */ /* pcap header */
out.writeInt(0xa1b2c3d4); out.writeInt(0xa1b2c3d4);
out.writeShort(0x0002); out.writeShort(0x0002);
@ -24,15 +32,16 @@ public class PcapExporter {
out.writeInt(4096); out.writeInt(4096);
out.writeInt(195); /* 195 for LINKTYPE_IEEE802_15_4 */ out.writeInt(195); /* 195 for LINKTYPE_IEEE802_15_4 */
out.flush(); out.flush();
System.out.println("Opened pcap file!"); System.out.println("Opened pcap file " + pcapFile);
} }
public void closePcap() throws IOException { public void closePcap() throws IOException {
out.close(); out.close();
out = null;
} }
public void exportPacketData(byte[] data) throws IOException { public void exportPacketData(byte[] data) throws IOException {
if (out == null) { if (out == null) {
openPcap(); openPcap(null);
} }
try { try {
/* pcap packet header */ /* pcap packet header */