#!/usr/bin/python3

import subprocess
import os
import sys
import math

# CONFIGS TO SET:

MANIFEST_FILE = "App/manifest.yaml"

'''
  Generate a manifest file with:
    N: number of clients
    M: number of servers
    T: number of threads for each server
    B: msg_size
'''
def generate_manifest(N, M, T, B):

    mf = open(MANIFEST_FILE, 'w+')
    manifest_params = '''params:
  # The total max number of users
  user_count: {N}
  # The size of a message in bytes
  msg_size: {B}
  # The number of private messages each user can send per epoch
  priv_out: 1
  # The number of private messages each user can receive per epoch
  priv_in: 1
  # The number of public messages each user can send per epoch
  pub_out: 1
  # The number of public messages each user can receive per epoch
  pub_in: 1
  # Private or public routing protocol selection
  private_routing: False
  # A hardcoded master secret for generating keys to bootstrap
  # client -> server communications
  master_secret: \"AHardCodedAESKey\"\n'''.format(N = str(N), B = str(B))

    # print (manifest_params)
    mf.write(manifest_params)

    server_params = '''\ns{i}:
  sprvfile: keys/priv.seal.s{i}
  pubfile: keys/pub.s{i}
  weight: 1
  listen: 127.0.0.{i}:12500
  clisten: 127.0.0.{i}:13000
  slisten: 127.0.0.{i}:13001
  launchprefix: numactl {nstring}
  args: -t {T}
  roles: 7\n'''

    # Assign server threads starting at 0
    numa_base = 0
    # Do not assign servers threads that are across the processors
    numa_limit = 36
    numa_start = numa_base

    for s in range(1, M+1):
        numa_end = numa_start + T -1
        if(numa_start < numa_limit and numa_end > numa_limit):
            numa_start = 40
            numa_end = numa_start + T
        numa_string = "-C{s}-{e}".format(s = str(numa_start), e = str(numa_end))
        numa_start = numa_end + 1
        curr_params = server_params.format(i = str(s), nstring = numa_string, T = str(T))
        # print(curr_params)
        mf.write(curr_params)


    mf.close()

if __name__ == "__main__":

    if(len(sys.argv)!=5):
        print("Incorrect usage!\n Expects 4 parameters. n,m,t,b")
        exit()

    n = int(sys.argv[1])
    m = int(sys.argv[2])
    t = int(sys.argv[3])
    b = int(sys.argv[4])
    generate_manifest(n, m, t, b)