github.com/neatlab/neatio@v1.7.3-0.20220425043230-d903e92fcc75/network/p2p/simulations/examples/ping-pong.sh (about)

     1  #!/bin/bash
     2  #
     3  # Boot a ping-pong network simulation using the HTTP API started by ping-pong.go
     4  
     5  set -e
     6  
     7  main() {
     8    if ! which p2psim &>/dev/null; then
     9      fail "missing p2psim binary (you need to build cmd/p2psim and put it in \$PATH)"
    10    fi
    11  
    12    info "creating 10 nodes"
    13    for i in $(seq 1 10); do
    14      p2psim node create --name "$(node_name $i)"
    15      p2psim node start "$(node_name $i)"
    16    done
    17  
    18    info "connecting node01 to all other nodes"
    19    for i in $(seq 2 10); do
    20      p2psim node connect "node01" "$(node_name $i)"
    21    done
    22  
    23    info "done"
    24  }
    25  
    26  node_name() {
    27    local num=$1
    28    echo "node$(printf '%02d' $num)"
    29  }
    30  
    31  info() {
    32    echo -e "\033[1;32m---> $(date +%H:%M:%S) ${@}\033[0m"
    33  }
    34  
    35  fail() {
    36    echo -e "\033[1;31mERROR: ${@}\033[0m" >&2
    37    exit 1
    38  }
    39  
    40  main "$@"