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Refactor tap
module to achieve synchronously closing other protocol dissectors upon identification (#1026)
* Remove `tcpStreamWrapper` struct * Refactor `tap` module and move some of the code to `tap/api` module * Move `TrafficFilteringOptions` struct to `shared` module * Change the `Dissect` method signature to have `*TcpReader` as an argument * Add `CloseOtherProtocolDissectors` method and use it to synchronously close the other protocol dissectors * Run `go mod tidy` in `cli` module * Rename `SuperIdentifier` struct to `ProtoIdentifier` * Remove `SuperTimer` struct * Bring back `CloseTimedoutTcpStreamChannels` method * Run `go mod tidy` everywhere * Remove `GOGC` environment variable from tapper * Fix the tests * Bring back `debug.FreeOSMemory()` call * Make `CloseOtherProtocolDissectors` method mutexed * Revert "Remove `GOGC` environment variable from tapper" This reverts commitcfc2484bbb
. * Bring back the removed `checksum`, `nooptcheck` and `ignorefsmerr` flags * Define a bunch of interfaces and don't export any new structs from `tap/api` * Keep the interfaces in `tap/api` but move the structs to `tap/tcp` * Fix the unit tests by depending on `github.com/up9inc/mizu/tap` * Use the modified `tlsEmitter` * Define `TlsChunk` interface and make `tlsReader` implement `TcpReader` * Remove unused fields in `tlsReader` * Define `ReassemblyStream` interface and separate `gopacket` specififc fields to `tcpReassemblyStream` struct Such that make `tap/api` don't depend on `gopacket` * Remove the unused fields * Make `tlsPoller` implement `TcpStream` interface and remove the call to `NewTcpStreamDummy` method * Remove unused fields from `tlsPoller` * Remove almost all of the setter methods in `TcpReader` and `TcpStream` interface and remove `TlsChunk` interface * Revert "Revert "Remove `GOGC` environment variable from tapper"" This reverts commitab2b9a803b
. * Revert "Bring back `debug.FreeOSMemory()` call" This reverts commit1cce863bbb
. * Remove excess comment * Fix acceptance tests (`logger` module) #run_acceptance_tests * Bring back `github.com/patrickmn/go-cache` * Fix `NewTcpStream` method signature * Put `tcpReader` and `tcpStream` mocks into protocol dissectors to remove `github.com/up9inc/mizu/tap` dependency * Fix AMQP tests * Revert960ba644cd
* Revert `go.mod` and `go.sum` files in protocol dissectors * Fix the comment position * Revert `AppStatsInst` change * Fix indent * Fix CLI build * Fix linter error * Fix error msg * Revert some of the changes in `chunk.go`
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@@ -16,14 +16,14 @@ const FLAGS_IS_READ_BIT uint32 = (1 << 1)
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// Be careful when editing, alignment and padding should be exactly the same in go/c.
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//
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type tlsChunk struct {
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Pid uint32 // process id
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Tgid uint32 // thread id inside the process
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Len uint32 // the size of the native buffer used to read/write the tls data (may be bigger than tlsChunk.Data[])
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Start uint32 // the start offset withing the native buffer
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Recorded uint32 // number of bytes copied from the native buffer to tlsChunk.Data[]
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Fd uint32 // the file descriptor used to read/write the tls data (probably socket file descriptor)
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Flags uint32 // bitwise flags
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Address [16]byte // ipv4 address and port
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Pid uint32 // process id
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Tgid uint32 // thread id inside the process
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Len uint32 // the size of the native buffer used to read/write the tls data (may be bigger than tlsChunk.Data[])
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Start uint32 // the start offset withing the native buffer
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Recorded uint32 // number of bytes copied from the native buffer to tlsChunk.Data[]
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Fd uint32 // the file descriptor used to read/write the tls data (probably socket file descriptor)
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Flags uint32 // bitwise flags
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Address [16]byte // ipv4 address and port
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Data [4096]byte // actual tls data
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}
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