add error handle: ComponentException & PacketException

This commit is contained in:
free will committed 2021-03-24 11:14:54 +08:00
1 parent d7f063cbb9
commit 7bf0906291
35 files changed
+955 -362

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+33 -11
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@@ -1,5 +1,6 @@
package packet;
import component.ComponentException;
import component.IdentifierWrapper;
import component.Payload;
import component.TTL;
@@ -51,13 +52,18 @@ public class CPacket implements InteractWithField, IEncodingAble {
* @return
*/
@Override
public boolean fillDataToFields() throws EncoderException, BlockException {
public boolean fillDataToFields() throws PacketException {
// 可变区 => 受保护区(无)
// 填充可变区 => 非受保护区
// 首先清除所有的Block
this.minPacket.mutableField.mutableDangerousField.clearBlocks();
Block block=new SelfEncodingBase().selfWireEncode(this.ttl);
Block block= null;
try {
block = new SelfEncodingBase().selfWireEncode(this.ttl);
} catch (EncoderException | BlockException e) {
throw new PacketException("CPacket.fillDataToFields: "+e.getMessage());
}
if(block==null){
return false;
}
@@ -66,7 +72,11 @@ public class CPacket implements InteractWithField, IEncodingAble {
// 填充只读区
// 首先清除所有的Block
this.minPacket.readOnlyField.clearBlocks();
block=new SelfEncodingBase().selfWireEncode(this.payload);
try {
block=new SelfEncodingBase().selfWireEncode(this.payload);
} catch (EncoderException | BlockException e) {
throw new PacketException("CPacket.fillDataToFields: "+e.getMessage());
}
if(block==null){
return false;
}
@@ -90,7 +100,7 @@ public class CPacket implements InteractWithField, IEncodingAble {
* @return
*/
@Override
public boolean extraDataFromFields() throws VlIntException {
public boolean extraDataFromFields() throws PacketException {
// 提取 Payload
Block payloadBlock=this.minPacket.readOnlyField.getBlockByType(new VlInt(TLV.TlvPayload));
if(payloadBlock==null){
@@ -105,8 +115,12 @@ public class CPacket implements InteractWithField, IEncodingAble {
if(ttlBlock==null){
return false;
}
if(this.ttl.wireDecode(ttlBlock)){
return false;
try {
if(this.ttl.wireDecode(ttlBlock)){
return false;
}
} catch (ComponentException e) {
throw new PacketException("CPacket.extraDataFromFields: "+e.getMessage());
}
// 提取标识
@@ -128,7 +142,7 @@ public class CPacket implements InteractWithField, IEncodingAble {
* @return
*/
@Override
public int wireEncode(Encoder encoder) throws EncoderException, BlockException {
public int wireEncode(Encoder encoder) throws PacketException {
// 首先将属性填充到分区当中
if(!this.fillDataToFields()){
return 0;
@@ -137,7 +151,11 @@ public class CPacket implements InteractWithField, IEncodingAble {
// 指定包类型
this.minPacket.packetType=new VlInt(TLV.TlvPacketMINCommon);
return this.minPacket.wireEncode(encoder);
try {
return this.minPacket.wireEncode(encoder);
} catch (EncoderException e) {
throw new PacketException("CPacket.wireEncode: "+e.getMessage());
}
}
/**
@@ -146,9 +164,13 @@ public class CPacket implements InteractWithField, IEncodingAble {
* @return
*/
@Override
public boolean wireDecode(Block block) throws VlIntException {
if(!this.minPacket.wireDecode(block)){
return false;
public boolean wireDecode(Block block) throws PacketException {
try {
if(!this.minPacket.wireDecode(block)){
return false;
}
} catch (VlIntException e) {
throw new PacketException("CPacket.wireDecode: "+e.getMessage());
}
return this.extraDataFromFields();
}