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lib/protocol: Invalid files should always lose (#4747)

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Simon Frei 2018-02-10 19:40:57 +01:00 committed by GitHub
parent 6d3f9d5154
commit 4955297bf6
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3 changed files with 10 additions and 0 deletions
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4
lib/db/set_test.go
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@ -606,6 +606,7 @@ func TestGlobalNeedWithInvalid(t *testing.T) {
protocol.FileInfo{Name: "a", Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1002}}}, Blocks: genBlocks(4)},
protocol.FileInfo{Name: "b", Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1002}}}, Invalid: true},
protocol.FileInfo{Name: "c", Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1002}}}, Blocks: genBlocks(4)},
protocol.FileInfo{Name: "d", Version: protocol.Vector{Counters: []protocol.Counter{{ID: remoteDevice0.Short(), Value: 1002}}}},
}
replace(s, remoteDevice0, rem0)
@ -613,6 +614,7 @@ func TestGlobalNeedWithInvalid(t *testing.T) {
protocol.FileInfo{Name: "a", Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1002}}}, Blocks: genBlocks(4)},
protocol.FileInfo{Name: "b", Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1002}}}, Blocks: genBlocks(4)},
protocol.FileInfo{Name: "c", Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1002}}}, Invalid: true},
protocol.FileInfo{Name: "d", Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1002}}}, Invalid: true, ModifiedS: 10},
}
replace(s, remoteDevice1, rem1)
@ -621,6 +623,8 @@ func TestGlobalNeedWithInvalid(t *testing.T) {
protocol.FileInfo{Name: "a", Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1002}}}, Blocks: genBlocks(4)},
protocol.FileInfo{Name: "b", Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1002}}}, Blocks: genBlocks(4)},
protocol.FileInfo{Name: "c", Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1002}}}, Blocks: genBlocks(4)},
// in conflict and older, but still wins as the other is invalid
protocol.FileInfo{Name: "d", Version: protocol.Vector{Counters: []protocol.Counter{{ID: remoteDevice0.Short(), Value: 1002}}}},
}
need := fileList(needList(s, protocol.LocalDeviceID))

5
lib/protocol/bep_extensions.go
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@ -95,6 +95,11 @@ func (f FileInfo) SequenceNo() int64 {
// WinsConflict returns true if "f" is the one to choose when it is in
// conflict with "other".
func (f FileInfo) WinsConflict(other FileInfo) bool {
// If only one of the files is invalid, that one loses
if f.IsInvalid() != other.IsInvalid() {
return !f.IsInvalid()
}
// If a modification is in conflict with a delete, we pick the
// modification.
if !f.IsDeleted() && other.IsDeleted() {

1
lib/protocol/conflict_test.go
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@ -9,6 +9,7 @@ func TestWinsConflict(t *testing.T) {
// The first should always win over the second
{{ModifiedS: 42}, {ModifiedS: 41}},
{{ModifiedS: 41}, {ModifiedS: 42, Deleted: true}},
{{Deleted: true}, {ModifiedS: 10, Invalid: true}},
{{ModifiedS: 41, Version: Vector{[]Counter{{42, 2}, {43, 1}}}}, {ModifiedS: 41, Version: Vector{[]Counter{{42, 1}, {43, 2}}}}},
}