Send Slice

Selected Slice

The requested offsets select exact body bytes.

highlighted = computed this step

Offsets two through five select four bytes

The slice row names the selected offsets in order.

offsets selected\text{offsets selected}
Selected sliceThe selected slice, Content-Range header, body bytes, and length checks are recomputed from pinned bytes.Selected slice - GET /file.txt bytes 2-5 -> cdef (4 bytes)sectionnamevaluecheckrequest linemethodGETparsedrequest linepath/file.txtparsedrequest lineversionHTTP/1.1parsedheaderHoststatic.exampleexactheaderRangebytes=2-5requested sliceresourcedisplayabcdefghsafe display formresourceexact hex6162636465666768pinned bytesresourcebyte length8countedrangestart2inclusiverangeend5inclusiverangeoffsets2,3,4,5selectedslicedisplayc d e fsafe display formsliceexact hex63646566pinned bytesslicebyte length4countedstatusversionHTTP/1.1parsedstatusstatus206 Partial Contentpartial contentheaderContent-Rangebytes 2-5/8slice over totalheaderContent-Length4declared bytesbodydisplaycdefsafe display formbodyexact hex63646566pinned bytescheckrangebytes 2-5requestcheckcovered bytes4inclusive countchecktotal length8Content-RangecheckContent-Length4selected bodycheckmatchyesall counts agree

The selected bytes are c d e f

The display row is readable, and the exact selected bytes are carried by the hex row.

selected hex checked\text{selected hex checked}
Selected sliceThe selected slice, Content-Range header, body bytes, and length checks are recomputed from pinned bytes.Selected slice - GET /file.txt bytes 2-5 -> cdef (4 bytes)sectionnamevaluecheckrequest linemethodGETparsedrequest linepath/file.txtparsedrequest lineversionHTTP/1.1parsedheaderHoststatic.exampleexactheaderRangebytes=2-5requested sliceresourcedisplayabcdefghsafe display formresourceexact hex6162636465666768pinned bytesresourcebyte length8countedrangestart2inclusiverangeend5inclusiverangeoffsets2,3,4,5selectedslicedisplayc d e fsafe display formsliceexact hex63646566pinned bytesslicebyte length4countedstatusversionHTTP/1.1parsedstatusstatus206 Partial Contentpartial contentheaderContent-Rangebytes 2-5/8slice over totalheaderContent-Length4declared bytesbodydisplaycdefsafe display formbodyexact hex63646566pinned bytescheckrangebytes 2-5requestcheckcovered bytes4inclusive countchecktotal length8Content-RangecheckContent-Length4selected bodycheckmatchyesall counts agree

The selected slice has four bytes

Inclusive offsets give 4 selected bytes.

covered bytes=4\text{covered bytes}=4
Selected sliceThe selected slice, Content-Range header, body bytes, and length checks are recomputed from pinned bytes.Selected slice - GET /file.txt bytes 2-5 -> cdef (4 bytes)sectionnamevaluecheckrequest linemethodGETparsedrequest linepath/file.txtparsedrequest lineversionHTTP/1.1parsedheaderHoststatic.exampleexactheaderRangebytes=2-5requested sliceresourcedisplayabcdefghsafe display formresourceexact hex6162636465666768pinned bytesresourcebyte length8countedrangestart2inclusiverangeend5inclusiverangeoffsets2,3,4,5selectedslicedisplayc d e fsafe display formsliceexact hex63646566pinned bytesslicebyte length4countedstatusversionHTTP/1.1parsedstatusstatus206 Partial Contentpartial contentheaderContent-Rangebytes 2-5/8slice over totalheaderContent-Length4declared bytesbodydisplaycdefsafe display formbodyexact hex63646566pinned bytescheckrangebytes 2-5requestcheckcovered bytes4inclusive countchecktotal length8Content-RangecheckContent-Length4selected bodycheckmatchyesall counts agree

Summary

The server sends only the selected byte slice.

slice selected\text{slice selected}
Selected sliceThe selected slice, Content-Range header, body bytes, and length checks are recomputed from pinned bytes.Selected slice - GET /file.txt bytes 2-5 -> cdef (4 bytes)sectionnamevaluecheckrequest linemethodGETparsedrequest linepath/file.txtparsedrequest lineversionHTTP/1.1parsedheaderHoststatic.exampleexactheaderRangebytes=2-5requested sliceresourcedisplayabcdefghsafe display formresourceexact hex6162636465666768pinned bytesresourcebyte length8countedrangestart2inclusiverangeend5inclusiverangeoffsets2,3,4,5selectedslicedisplayc d e fsafe display formsliceexact hex63646566pinned bytesslicebyte length4countedstatusversionHTTP/1.1parsedstatusstatus206 Partial Contentpartial contentheaderContent-Rangebytes 2-5/8slice over totalheaderContent-Length4declared bytesbodydisplaycdefsafe display formbodyexact hex63646566pinned bytescheckrangebytes 2-5requestcheckcovered bytes4inclusive countchecktotal length8Content-RangecheckContent-Length4selected bodycheckmatchyesall counts agree