new MESSAGE package for client/server/coupling

lib/message/Install.py

@@ -0,0 +1,118 @@
+#!/usr/bin/env python
+
+# Install.py tool to build the CSlib library
+# used to automate the steps described in the README file in this dir
+
+from __future__ import print_function
+import sys,os,re,subprocess
+
+# help message
+
+help = """
+Syntax from src dir: make lib-message args="-m"
+                 or: make lib-message args="-s -z"
+Syntax from lib dir: python Install.py -m
+                 or: python Install.py -s -z 
+
+specify zero or more options, order does not matter
+
+  -m = parallel build of CSlib library
+  -s = serial build of CSlib library
+  -z = build CSlib library with ZMQ socket support, default = no ZMQ support
+
+Example:
+
+make lib-message args="-m -z"   # build parallel CSlib with ZMQ support
+make lib-message args="-s"   # build serial CSlib with no ZMQ support
+"""
+
+# print error message or help
+
+def error(str=None):
+  if not str: print(help)
+  else: print("ERROR",str)
+  sys.exit()
+
+# expand to full path name
+# process leading '~' or relative path
+
+def fullpath(path):
+  return os.path.abspath(os.path.expanduser(path))
+
+def which(program):
+  def is_exe(fpath):
+    return os.path.isfile(fpath) and os.access(fpath, os.X_OK)
+
+  fpath, fname = os.path.split(program)
+  if fpath:
+    if is_exe(program):
+      return program
+  else:
+    for path in os.environ["PATH"].split(os.pathsep):
+      path = path.strip('"')
+      exe_file = os.path.join(path, program)
+      if is_exe(exe_file):
+        return exe_file
+
+  return None
+
+# parse args
+
+args = sys.argv[1:]
+nargs = len(args)
+if nargs == 0: error()
+
+mpiflag = False
+serialflag = False
+zmqflag = False
+
+iarg = 0
+while iarg < nargs:
+  if args[iarg] == "-m":
+    mpiflag = True
+    iarg += 1
+  elif args[iarg] == "-s":
+    serialflag = True
+    iarg += 1
+  elif args[iarg] == "-z":
+    zmqflag = True
+    iarg += 1
+  else: error()
+
+if (not mpiflag and not serialflag):
+  error("Must use either -m or -s flag")
+
+if (mpiflag and serialflag):
+  error("Cannot use -m and -s flag at the same time")
+
+# build CSlib
+# copy resulting lib to cslib/src/libmessage.a
+# copy appropriate Makefile.lammps.* to Makefile.lammps
+
+print("Building CSlib ...")
+srcdir = fullpath("./cslib/src")
+
+if mpiflag and zmqflag:
+  cmd = "cd %s; make lib_parallel" % srcdir
+elif mpiflag and not zmqflag:
+  cmd = "cd %s; make lib_parallel zmq=no" % srcdir
+elif not mpiflag and zmqflag:
+  cmd = "cd %s; make lib_serial" % srcdir
+elif not mpiflag and not zmqflag:
+  cmd = "cd %s; make lib_serial zmq=no" % srcdir
+  
+print(cmd)
+txt = subprocess.check_output(cmd,stderr=subprocess.STDOUT,shell=True)
+print(txt.decode('UTF-8'))
+
+if mpiflag: cmd = "cd %s; cp libcsmpi.a libmessage.a" % srcdir
+else: cmd = "cd %s; cp libcsnompi.a libmessage.a" % srcdir
+print(cmd)
+txt = subprocess.check_output(cmd,stderr=subprocess.STDOUT,shell=True)
+print(txt.decode('UTF-8'))
+
+if zmqflag: cmd = "cp Makefile.lammps.zmq Makefile.lammps"
+else: cmd = "cp Makefile.lammps.nozmq Makefile.lammps"
+print(cmd)
+txt = subprocess.check_output(cmd,stderr=subprocess.STDOUT,shell=True)
+print(txt.decode('UTF-8'))