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jblink | Java implementation of the Blink protocol | Networking library

 by   pantor-engineering Java Version: v1.0.3 License: BSD-3-Clause

 by   pantor-engineering Java Version: v1.0.3 License: BSD-3-Clause

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kandi X-RAY | jblink Summary

jblink is a Java library typically used in Networking applications. jblink has no vulnerabilities, it has build file available, it has a Permissive License and it has low support. However jblink has 12 bugs. You can download it from GitHub.
Java implementation of the Blink protocol (http://blinkprotocol.org) by Pantor Engineering AB (http://www.pantor.com). Until we have made the jblink JavaDoc documentation available online, it can be browsed at build/docs/javadoc/index.html after you have built jblink.
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Quality
Quality
Security
Security
License
License
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kandi-support Support

  • jblink has a low active ecosystem.
  • It has 32 star(s) with 8 fork(s). There are 25 watchers for this library.
  • It had no major release in the last 12 months.
  • There are 6 open issues and 2 have been closed. On average issues are closed in 1 days. There are no pull requests.
  • It has a neutral sentiment in the developer community.
  • The latest version of jblink is v1.0.3
jblink Support
Best in #Networking
Average in #Networking
jblink Support
Best in #Networking
Average in #Networking

quality kandi Quality

  • jblink has 12 bugs (5 blocker, 1 critical, 5 major, 1 minor) and 784 code smells.
jblink Quality
Best in #Networking
Average in #Networking
jblink Quality
Best in #Networking
Average in #Networking

securitySecurity

  • jblink has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.
  • jblink code analysis shows 0 unresolved vulnerabilities.
  • There are 2 security hotspots that need review.
jblink Security
Best in #Networking
Average in #Networking
jblink Security
Best in #Networking
Average in #Networking

license License

  • jblink is licensed under the BSD-3-Clause License. This license is Permissive.
  • Permissive licenses have the least restrictions, and you can use them in most projects.
jblink License
Best in #Networking
Average in #Networking
jblink License
Best in #Networking
Average in #Networking

buildReuse

  • jblink releases are available to install and integrate.
  • Build file is available. You can build the component from source.
  • Installation instructions, examples and code snippets are available.
  • jblink saves you 7298 person hours of effort in developing the same functionality from scratch.
  • It has 15087 lines of code, 1982 functions and 104 files.
  • It has medium code complexity. Code complexity directly impacts maintainability of the code.
jblink Reuse
Best in #Networking
Average in #Networking
jblink Reuse
Best in #Networking
Average in #Networking
Top functions reviewed by kandi - BETA

kandi has reviewed jblink and discovered the below as its top functions. This is intended to give you an instant insight into jblink implemented functionality, and help decide if they suit your requirements.

  • Dispatch an object .

    Get all kandi verified functions for this library.

    Get all kandi verified functions for this library.

    jblink Key Features

    Java implementation of the Blink protocol (http://blinkprotocol.org).

    Community Discussions

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    QUESTION

    Multicast being sent over hardware address of default gateway address instead of ethernet multicast address

    Asked 2022-Mar-10 at 14:07

    I have this code to send multicast messages to a group. There are no errors while running the program but when I monitor packets in Wireshark the ethernet destination of my packets are of my default gateway instead of something like 01-00-5e-xx-xx-xx

    The code:

    
    #include <stdlib.h>
    #include <stdio.h>
    #include <unistd.h>
    #include <string.h>
    
    #include <sys/socket.h>
    #include <sys/types.h>
    #include <arpa/inet.h>
    #include <netdb.h>
    #include <netinet/in.h>
    
    void main(int argc, char **argv){
        int sockfd;
        struct in_addr interface;
        struct sockaddr_in group;
        char readbuf[1024];
    
        if((sockfd=socket(AF_INET,SOCK_DGRAM,0))<0){
            perror("socket error");
        }
    
        memset(&group,0,sizeof(group));
        group.sin_family=AF_INET;
        group.sin_addr.s_addr=inet_addr("244.244.244.1");
        group.sin_port=htons(5555);
    
    
    
        char loop=0;
        if(setsockopt(sockfd,IPPROTO_IP,IP_MULTICAST_LOOP,&loop,sizeof(loop))<0){
            perror("setsockopt error(IP_MULTICAST_LOOP)");
        }
    
        interface.s_addr=inet_addr("192.168.1.69");
        if(setsockopt(sockfd,IPPROTO_IP,IP_MULTICAST_IF,&interface,sizeof(interface))<0){
            perror("setsockopt error(IP_MULTICAST_IF)");
        }
    
        for(;;){
            fgets(readbuf,sizeof(readbuf),stdin);
            if(sendto(sockfd,readbuf,sizeof(readbuf),0,(struct sockaddr *)&group,sizeof(struct sockaddr))==-1){
                perror("sendto error");
            }
        }
    
    }
    

    ANSWER

    Answered 2022-Mar-10 at 14:07

    244.244.244.1 is not a valid multicast address.

    Multicast address are in the range of 224.0.0.1 - 239.255.255.255. The address you're sending to is not in that range. So the outgoing MAC address is not a multicast MAC.

    Change the destination IP to be in the range of multicast IP addresses and you'll see a proper multicast MAC address.

    Source https://stackoverflow.com/questions/71419150

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

    Vulnerabilities

    No vulnerabilities reported

    Install jblink

    You can download it from GitHub.
    You can use jblink 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 jblink 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

    For any new features, suggestions and bugs create an issue on GitHub. If you have any questions check and ask questions on community page Stack Overflow .

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