| 1 | package cz.vutbr.feec.packets.rtcp; |
| 2 | |
| 3 | |
| 4 | //import org.apache.commons.lang.builder.EqualsBuilder; |
| 5 | import org.apache.commons.lang.builder.ToStringBuilder; |
| 6 | |
| 7 | import cz.vutbr.feec.packets.PacketGenerateException; |
| 8 | import cz.vutbr.feec.packets.PacketParseException; |
| 9 | import org.apache.commons.lang.builder.EqualsBuilder; |
| 10 | import org.apache.commons.lang.builder.HashCodeBuilder; |
| 11 | |
| 12 | /** |
| 13 | * This class encapsulates all the necessary parameters of a Receiver Report |
| 14 | * that needs to be handed to the Application when a Receiver Report is |
| 15 | * received. Note: this class derives from RTCPPacket |
| 16 | */ |
| 17 | public class ReceiverReportPacket extends ReportPacket { |
| 18 | @Override |
| 19 | public int generate(byte[] buffer, int offset) |
| 20 | throws PacketGenerateException { |
| 21 | int length = super.generate(buffer, offset); |
| 22 | length += generateRestRR(buffer, offset + length); |
| 23 | |
| 24 | return length; |
| 25 | } |
| 26 | |
| 27 | private int generateRestRR(byte[] buffer, int offset) |
| 28 | throws PacketGenerateException { |
| 29 | int len = 0; |
| 30 | for (ReportBlock block : reportBlockList) { |
| 31 | len += block.generate(buffer, offset + len); |
| 32 | } |
| 33 | return len; |
| 34 | } |
| 35 | |
| 36 | @Override |
| 37 | public int parse(byte[] buffer, int offset, int length) |
| 38 | throws PacketParseException { |
| 39 | int len = super.parse(buffer, offset, length); |
| 40 | len += this.parseRestRR(buffer, offset + len, length); |
| 41 | return len; |
| 42 | } |
| 43 | |
| 44 | private int parseRestRR(byte[] buffer, int offset, int length) |
| 45 | throws PacketParseException { |
| 46 | int len = 0; |
| 47 | reportBlockList.clear(); |
| 48 | for (int i = 0; i < super.reportCount; i++) { |
| 49 | ReportBlock block = new ReportBlock(); |
| 50 | len += block.parse(buffer, offset + len, length); |
| 51 | this.addReportBlock(block); |
| 52 | } |
| 53 | |
| 54 | return len; |
| 55 | } |
| 56 | |
| 57 | /** |
| 58 | * To string. |
| 59 | * |
| 60 | * @return the string |
| 61 | * |
| 62 | * @see java.lang.Object#toString() |
| 63 | */ |
| 64 | public String toString() { |
| 65 | return new ToStringBuilder(this).append("length", super.getLength()) |
| 66 | .append("version", super.getVersion()).append( |
| 67 | "receptionReportCount", super.getReportCount()).append( |
| 68 | "padding", super.getPadding()).append("payloadType", |
| 69 | super.getPayloadtype()).append("SSRC", super.getSSRC()) |
| 70 | .toString(); |
| 71 | } |
| 72 | |
| 73 | /** |
| 74 | * @see java.lang.Object#equals(Object) |
| 75 | */ |
| 76 | public boolean equals(Object object) { |
| 77 | if (!(object instanceof ReceiverReportPacket)) { |
| 78 | return false; |
| 79 | } |
| 80 | ReceiverReportPacket rhs = (ReceiverReportPacket) object; |
| 81 | return new EqualsBuilder().append(this.reportBlockList, rhs.reportBlockList) |
| 82 | .isEquals(); |
| 83 | } |
| 84 | |
| 85 | /** |
| 86 | * @see java.lang.Object#hashCode() |
| 87 | */ |
| 88 | public int hashCode() { |
| 89 | return new HashCodeBuilder(1721573301, 148150795).append(this.reportBlockList).toHashCode(); |
| 90 | } |
| 91 | |
| 92 | } |