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Chandy-Lamport-snapshot-algorithm

Implemented a distributed banking application using the Chandy-Lamport snapshot algorithm along with Google’s protocol buffer for marshalling-unmarshalling messages and TCP sockets for sending-receiving messages in C++. The distributed bank has multiple branches and very branch knows about all other branches. Application allows to take snapshot at any given time.

Compilation and execution:

  1. To compile code: Extract all files and folders to a directory.
  2. Set PATH and PKG_CONFIG_PATH to generate cpp code from bank.proto with "protoc --cpp_out=./ bank.proto". PATH=protobuf installed path PKG_CONFIG_PATH=protobuf config path
  3. This should generate .pb files. Run "make".
  4. Once binary file has been created run branch with bash script as "bash branch.sh <branch_name> <port#>"
  5. Create branches.txt file make sure you have content matching with branch instances before running controller.
  6. Run controller with bash script as "bash controller.sh <amount#> branches.txt" (branches.txt contains all branch details in format of: branch_name branch_ip branch_port)
  7. Open new window so controller logs will be easy to read.