bt | BitTorrent library and client with DHT, magnet links, encryption and more | Stream Processing library

 by   atomashpolskiy Java Version: bt-parent-1.10 License: Apache-2.0

kandi X-RAY | bt Summary

kandi X-RAY | bt Summary

bt is a Java library typically used in Data Processing, Stream Processing, Nodejs applications. bt has no bugs, it has no vulnerabilities, it has build file available, it has a Permissive License and it has medium support. You can download it from GitHub, Maven.

Being built around the Guice DI, Bt provides many options for tailoring the system for your specific needs. If something is a part of Bt, then it can be modified or substituted for your custom code.
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            kandi-support Support

              bt has a medium active ecosystem.
              It has 2240 star(s) with 363 fork(s). There are 86 watchers for this library.
              OutlinedDot
              It had no major release in the last 6 months.
              There are 61 open issues and 84 have been closed. On average issues are closed in 171 days. There are 2 open pull requests and 0 closed requests.
              It has a neutral sentiment in the developer community.
              The latest version of bt is bt-parent-1.10

            kandi-Quality Quality

              bt has 0 bugs and 0 code smells.

            kandi-Security Security

              bt has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.
              bt code analysis shows 0 unresolved vulnerabilities.
              There are 0 security hotspots that need review.

            kandi-License License

              bt is licensed under the Apache-2.0 License. This license is Permissive.
              Permissive licenses have the least restrictions, and you can use them in most projects.

            kandi-Reuse Reuse

              bt releases are not available. You will need to build from source code and install.
              Deployable package is available in Maven.
              Build file is available. You can build the component from source.
              Installation instructions are not available. Examples and code snippets are available.
              It has 49935 lines of code, 4898 functions and 703 files.
              It has medium code complexity. Code complexity directly impacts maintainability of the code.

            Top functions reviewed by kandi - BETA

            kandi has reviewed bt and discovered the below as its top functions. This is intended to give you an instant insight into bt implemented functionality, and help decide if they suit your requirements.
            • Process incoming data .
            • Negotiates MSECipher for an incoming connection .
            • Pretty print the object .
            • Called when another message is received .
            • Queues up new connections .
            • Dumps torrent stats to disk .
            • Builds the query URL for a tracker
            • Returns a string representation of the hash between the two keys .
            • Cleans up all entries that have expired .
            • active check .
            Get all kandi verified functions for this library.

            bt Key Features

            No Key Features are available at this moment for bt.

            bt Examples and Code Snippets

            Determine if this binary tree is balanced .
            javadot img1Lines of Code : 79dot img1License : Permissive (MIT License)
            copy iconCopy
            public boolean isBalancedIterative(BinaryTree binaryTree) {
                    // Default that we are balanced and our algo will prove it wrong
                    boolean isBalanced = true;
            
                    // Create a stack for our post order traversal
                    Stack nodeStack =   
            Check if this binary tree is balanced .
            javadot img2Lines of Code : 10dot img2License : Permissive (MIT License)
            copy iconCopy
            public boolean isBalancedRecursive(BinaryTree binaryTree) {
                    // Create an array of length 1 to keep track of our balance
                    // Default to true. We use an array so we have an efficient mutable object
                    boolean[] isBalanced = new bool  
            Validates a BT B BTree .
            javascriptdot img3Lines of Code : 4dot img3no licencesLicense : No License
            copy iconCopy
            function validateBalancedBT_3(tree) {
              if (!tree || !tree.root) return true;
              return checkHeight(tree.root) !== Number.MIN_SAFE_INTEGER;
            }  
            dht find_node no response
            Javadot img4Lines of Code : 118dot img4License : Strong Copyleft (CC BY-SA 4.0)
            copy iconCopy
            110 48.444854   10.3.157.234    82.221.103.244  BT-DHT  134 
            ...
            113 48.844328   82.221.103.244  10.3.157.234    BT-DHT  528 reply=16 nodes 
            114 48.911670   10.3.157.234    47.152.12.43    BT-DHT  134 
            115 48.912589   10.3.157.234    181.3

            Community Discussions

            QUESTION

            Copy bit of one register to another register (x86-64 asm)
            Asked 2022-Mar-04 at 10:23

            as part of a project that generates x86-64 machine code at runtime, I very often have the need to copy a bit from one register to another register at another bit position.

            I came up with this code (example that copies bit 23 of a source register to bit 3 of a destination):

            ...

            ANSWER

            Answered 2022-Mar-02 at 08:03

            QUESTION

            Armadillo: Inefficient chaining of .t()
            Asked 2022-Feb-19 at 03:56

            consider the following two ways of doing the same thing.

            ...

            ANSWER

            Answered 2022-Feb-19 at 03:56

            Hi all I'm going to answer my own question here might be useful to others. The answer for me is that it was because I was using a generic OpenBLAS, not an Intel processor-specific version of BLAS, and running in debug mode.

            With optimization at compile time and using an Intel processor-specific version of BLAS:

            1. Bt = B.t() and then A = Bt * C is definitely slower than A = B.t() * C, as we would expect due to the storing of the intermediate step.
            2. A = B.t() * C is faster than A = B * C, if B is square (I know this isn't the same number), but the difference is small, maybe 0-20% for the numbers I am using.
            3. Along a similar line, A = B.rows(0, 499) * C is slower than A = B.cols(0, 499).t() * C.

            The explanation is I believe that column access is faster than row access. B.t() * C uses columns of both B and C, whereas B * C uses rows of B and columns of C.

            All of this is much faster than loops. So use BLAS over C++ manual loops -- this is way more important than worrying about rows vs columns.

            One anomaly: A = B.rows(0, 499) is still faster than A = B.cols(0, 499). Any ideas on why would be appreciated!

            P.S. also tips on handing tensors higher than 2D in C++ would be appreciated. I hate arma::Cubes although I do use them.

            Source https://stackoverflow.com/questions/71180394

            QUESTION

            C# rearrange List by pattern
            Asked 2022-Feb-14 at 21:31

            I have a List of objects. Every object contains a Code and a TimeSpan value.

            ...

            ANSWER

            Answered 2022-Feb-14 at 13:10

            Here is a suggestion where TimeAndCode.Code is an enum rather than a string.

            It will always order entries with indentical timespans in a repeated CO, GO, BT pattern; meaning that if e.g. five entries with identical timespans has the following Code selection: 2 x CO, 1 x BT, 2 x GO, it will always order them as CO, GO, BT, CO, GO (as opposed to CO, GO, CO, GO, BT).

            I achieve this by generating an OrderBy property based on the timespan, an index (generated inside a nested group) and the numerical Code value for each entry.

            Using the following types:

            Source https://stackoverflow.com/questions/71110223

            QUESTION

            AudioManager auto switching own mode + not respecting setSpeakerphoneOn()
            Asked 2022-Feb-11 at 19:31

            I want to play some audio with volume lvl adjusted to ear aka. "phone call mode". For this purpose, I'm using well-known and commonly advised

            ...

            ANSWER

            Answered 2022-Feb-11 at 19:31

            found some answers to my own question, sharing with community

            6-sec auto-switch mode is a new feature in Android 12, which works only if (mode == AudioSystem.MODE_IN_COMMUNICATION) (check out flow related to MSG_CHECK_MODE_FOR_UID flag). This should help for MODE_IN_COMMUNICATION set to AudioManager and left after app exit, this was messing with global/system-level audio routing. There is also a brand new AudioManager.OnModeChangedListener called when mode is (auto-)changing

            and setSpeakerphoneOn turns out to be deprecated, even if this isn't marked in doc... we have new method setCommunicationDevice(AudioDeviceInfo) and in its description we have info about startBluetoothSco(), stopBluetoothSco() and setSpeakerphoneOn(boolean) deprecation. I'm using all three methods and now on Android 12 I'm iterating through getAvailableCommunicationDevices(), comparing type of every item and if desired type found I'm calling setCommunicationDevice(targetAudioDeviceInfo). I'm NOT switching audio mode at all now, staying on MODE_NORMAL. All my streams are AudioManager.STREAM_VOICE_CALL type (where applicable)

            for built-in earpiece audio playback aka. "ear-friendly mode" we were using

            Source https://stackoverflow.com/questions/70768622

            QUESTION

            getifaddrs returning 'bad file descriptor'/crashing the application
            Asked 2022-Jan-18 at 10:47

            In my program, I have a thread which has to continuously monitor the network interfaces therefore it continuosly uses getifaddrs() in a while loop.

            ...

            ANSWER

            Answered 2021-Dec-06 at 08:59

            According to man7.org getifaddrs, any of the socket operations could be a cause for EBADF

            ERRORS

            getifaddrs() may fail and set errno for any of the errors specified for socket(2), bind(2), getsockname(2), recvmsg(2), sendto(2), malloc(3), or realloc(3).

            Unrelated, but do you do freeifaddrs() somewhere?

            Source https://stackoverflow.com/questions/70242848

            QUESTION

            Malloc or Calloc return unexpected values in string
            Asked 2022-Jan-17 at 09:00

            I am trying to create a dynamic memory allocation string so which returns a string removing all vowels. In the beginning, some of the strings work correctly but suddenly some of them returns with an extra value which makes me fail the test, and I am failing to complete the task. Here is the code:

            ...

            ANSWER

            Answered 2022-Jan-17 at 09:00

            You don't null terminate the buffer. Therefore strcpy wil just copy the contents of buf until a null character is encountered which is undefind behaviour.

            Add this right after the forloop:

            Source https://stackoverflow.com/questions/70737641

            QUESTION

            What's the source of this enigmatic *** buffer overflow detected ***: terminated error
            Asked 2022-Jan-04 at 17:04

            I have a program which reads from a file which is a list of domain names. It performs asynchronous DNS and then downloads the landing page for each domain using an asynchronous epoll loop.

            The program runs fine for thousands of iterations and then bombs out with a *** buffer overflow detected ***: terminated error. Here is the backtrace:

            ...

            ANSWER

            Answered 2022-Jan-03 at 22:19

            QUESTION

            Process hangs, if stderr and stdout are redirected
            Asked 2021-Dec-28 at 14:11

            I'm trying to call cmake and redirect the output to a pipe.

            To reproduce:

            1. git clone https://github.com/avast/retdec (It seems to be every CMake-Project, gradle projects don't work, too)
            2. mkdir build&&cd build
            3. Add a file test.hs:
            ...

            ANSWER

            Answered 2021-Dec-28 at 14:11

            The buffer size of pipes isn't unlimited. You're creating a deadlock, where the child process is hanging because it's trying to write to a buffer that's full, and your parent process doesn't try to read anything from the buffer until the child process has completed. To fix the problem, you need to use another thread to read from the buffer while the child process is still running. The simplest way to do this is to use readProcess or a similar function in place of createProcess. If this doesn't give you enough flexibility to do what you want, then you'll need to create and manage the other thread yourself, which you can see how to do by looking at how readProcess is implemented.

            Source https://stackoverflow.com/questions/70508072

            QUESTION

            Why does ptrace show a 32-bit execve system call having EAX = 59, the 64-bit call number? How do 32-bit system calls work on x86-64?
            Asked 2021-Dec-26 at 06:54

            I'm toying ptrace with the code below. I found that the system call number for execve was 59 even when I compiled with the -m32 option. Since I'm using Ubuntu on a 64-bit machine, it could be understandable.

            Soon, the question arose: "Do libc32 behave differently on 32-bit machine and 64-bit machine? Are they different?" So I checked what libc32 had in 64-bit. However, the execve system call number for libc was 11, which was identical the execv system call number for 32-bit systems. So where does the magic happen? Thank you in advance.

            Here's the code. It's originated from https://www.linuxjournal.com/article/6100

            ...

            ANSWER

            Answered 2021-Dec-26 at 06:37

            execve is special; it's the only one that has special interaction with PTRACE_TRACEME. The way strace works, other system calls do show the 32-bit call number. (And modern strace needs special help to know whether that's a 32-bit call number for int 0x80 / sysenter, or a 64-bit call number, since 64-bit processes can still invoke int 0x80, although they normally shouldn't. This support was only added in 2019, with PTRACE_GET_SYSCALL_INFO)

            You're right, when the kernel is actually invoked, EAX holds 11, __NR_execve from unistd_32.h. It's set by mov $0xb,%eax before glibc's execve wrapper jumps to the VDSO page to enter the kernel via whatever efficient method is supported on this hardware (normally sysenter.)

            But execution doesn't actually stop until it reaches some code in the main execve implementation that checks for PTRACE_TRACEME and raises SIGTRAP.

            Apparently sometime before that happens, it calls void set_personality_64bit(void) in arch/x86/kernel/process_64.c, which includes

            Source https://stackoverflow.com/questions/70480578

            QUESTION

            Jquery append text data with a line break
            Asked 2021-Dec-17 at 23:44

            So I have this script which takes the data from a form and append it in to a HTML div.

            ...

            ANSWER

            Answered 2021-Dec-17 at 23:26

            Community Discussions, Code Snippets contain sources that include Stack Exchange Network

            Vulnerabilities

            No vulnerabilities reported

            Install bt

            You can download it from GitHub, Maven.
            You can use bt like any standard Java library. Please include the the jar files in your classpath. You can also use any IDE and you can run and debug the bt component as you would do with any other Java program. Best practice is to use a build tool that supports dependency management such as Maven or Gradle. For Maven installation, please refer maven.apache.org. For Gradle installation, please refer gradle.org .

            Support

            BEP-3: The BitTorrent Protocol SpecificationBEP-5: DHT ProtocolBEP-9: Extension for Peers to Send Metadata FilesBEP-10: Extension ProtocolBEP-11: Peer Exchange (PEX)BEP-12: Multitracker metadata extensionBEP-14: Local Service DiscoveryBEP-15: UDP Tracker ProtocolBEP-20: Peer ID ConventionsBEP-23: Tracker Returns Compact Peer ListsBEP-27: Private TorrentsBEP-41: UDP Tracker Protocol ExtensionsMessage Stream Encryption
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            gh repo clone atomashpolskiy/bt

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