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javapgm | Java implementation of the PGM protocol | Networking library

 by   steve-o Java Version: Current License: Non-SPDX

 by   steve-o Java Version: Current License: Non-SPDX

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kandi X-RAY | javapgm Summary

javapgm is a Java library typically used in Networking applications. javapgm has no vulnerabilities, it has build file available and it has low support. However javapgm has 23 bugs and it has a Non-SPDX License. You can download it from GitHub.
Java implementation of the PGM protocol.
Support
Support
Quality
Quality
Security
Security
License
License
Reuse
Reuse

kandi-support Support

  • javapgm has a low active ecosystem.
  • It has 29 star(s) with 10 fork(s). There are 8 watchers for this library.
  • It had no major release in the last 12 months.
  • There are 2 open issues and 0 have been closed. On average issues are closed in 2166 days. There are no pull requests.
  • It has a neutral sentiment in the developer community.
  • The latest version of javapgm is current.
javapgm Support
Best in #Networking
Average in #Networking
javapgm Support
Best in #Networking
Average in #Networking

quality kandi Quality

  • javapgm has 23 bugs (5 blocker, 3 critical, 8 major, 7 minor) and 580 code smells.
javapgm Quality
Best in #Networking
Average in #Networking
javapgm Quality
Best in #Networking
Average in #Networking

securitySecurity

  • javapgm has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.
  • javapgm code analysis shows 0 unresolved vulnerabilities.
  • There are 16 security hotspots that need review.
javapgm Security
Best in #Networking
Average in #Networking
javapgm Security
Best in #Networking
Average in #Networking

license License

  • javapgm has a Non-SPDX License.
  • Non-SPDX licenses can be open source with a non SPDX compliant license, or non open source licenses, and you need to review them closely before use.
javapgm License
Best in #Networking
Average in #Networking
javapgm License
Best in #Networking
Average in #Networking

buildReuse

  • javapgm releases are not available. You will need to build from source code and install.
  • Build file is available. You can build the component from source.
  • Installation instructions are not available. Examples and code snippets are available.
  • javapgm saves you 2669 person hours of effort in developing the same functionality from scratch.
  • It has 5789 lines of code, 445 functions and 42 files.
  • It has high code complexity. Code complexity directly impacts maintainability of the code.
javapgm Reuse
Best in #Networking
Average in #Networking
javapgm Reuse
Best in #Networking
Average in #Networking
Top functions reviewed by kandi - BETA

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

  • Try to dispatch the timers .
    • Returns the group path .
      • Returns the nak group address .
        • Removes trailing pointer from tail buffer .
          • Get the full path .
            • Returns the NPM address .
              • Removes trailing edge .
                • Display the message type as a string .
                  • Set the identifier .
                    • Returns an array containing all of the numbers in the given collection .

                      Get all kandi verified functions for this library.

                      Get all kandi verified functions for this library.

                      javapgm Key Features

                      Java implementation of the PGM protocol

                      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 javapgm

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