Demux build harness

$PWD/src/config/demux.fpc

Name: demux
Description: Event handling: select
Comment: Generated during configuration
provides_dlib: -ldemux_dynamic
provides_slib: -ldemux_static
Requires: flx_pthread
flx_requires_driver: flx_arun
macros: BUILD_DEMUX
includes: '"flx_demux.hpp"'
library: demux
headers: (.*/)?([^/\\]+\.hpp)>${2}
srcdir: src/demux
src: [^/\\]+\.cpp
src: posix/.*\.cpp

$PWD/src/config/unix/demux.fpc

Name: demux
Description: Event handling (poll)
Comment: Generated during configuration
provides_dlib: -ldemux_dynamic
provides_slib: -ldemux_static
Requires: flx_pthread
flx_requires_driver: flx_arun
macros: BUILD_DEMUX
includes: '"flx_demux.hpp"'
library: demux
headers: (.*/)?([^/\\]+\.hpp)>${2}
srcdir: src/demux
src: [^/\\]+\.cpp
src: posix/.*\.cpp
src: poll/.*\.cpp

$PWD/src/config/linux/demux.fpc

Name: demux
Description: Event handling (epoll)
Comment: Generated during configuration
provides_dlib: -ldemux_dynamic
provides_slib: -ldemux_static
Requires: flx_pthread
flx_requires_driver: flx_arun
includes: '"flx_demux.hpp"'
macros: BUILD_DEMUX
library: demux
headers: (.*/)?([^/\\]+\.hpp)>${2}
srcdir: src/demux
src: [^/\\]+\.cpp
src: posix/.*\.cpp
src: epoll/.*\.cpp

$PWD/src/config/solaris/demux.fpc

Name: demux
Description: Event handling (event ports)
Comment: Generated during configuration
provides_dlib: -ldemux_dynamic
provides_slib: -ldemux_static -lsocket -lnsl
Requires: flx_pthread
flx_requires_driver: flx_arun
macros: BUILD_DEMUX
includes: '"flx_demux.hpp"'
library: demux
headers: (.*/)?([^/\\]+\.hpp)>${2}
srcdir: src/demux
src: [^/\\]+\.cpp
src: posix/.*\.cpp
src: evtport/.*\.cpp

$PWD/src/config/macosx/demux.fpc

Name: demux
Description: Event handling (kqueue)
Comment: Generated during configuration
provides_dlib: -ldemux_dynamic
provides_slib: -ldemux_static
Requires: flx_pthread
flx_requires_driver: flx_arun
macros: BUILD_DEMUX
includes: '"flx_demux.hpp"'
library: demux
headers: (.*/)?([^/\\]+\.hpp)>${2}
srcdir: src/demux
src: [^/\\]+\.cpp
src: posix/.*\.cpp
src: kqueue/.*\.cpp

$PWD/src/config/win/demux.fpc

Name: demux
Description: Event handling (windows event ports with msvc)
Comment: Generated during configuration
provides_dlib: /DEFAULTLIB:demux_dynamic
requires_dlibs: /DEFAULTLIB:ws2_32 /DEFAULTLIB:mswsock
provides_slib: /DEFAULTLIB:demux_static
requires_slibs: /DEFAULTLIB:ws2_32 /DEFAULTLIB:mswsock
Requires: flx_pthread
flx_requires_driver: flx_arun
macros: BUILD_DEMUX
includes: '"flx_demux.hpp"'
library: demux
headers: (.*\\)?([^\\]+\.hpp)>${2}
srcdir: src\demux
src: [^\\]+\.cpp
src: win\\.*\.cpp

$PWD/src/config/msys/demux.fpc

Name: demux
Description: Event handling (windows event ports with gcc)
Comment: Generated during configuration
provides_dlib: -ldemux_dynamic
requires_dlibs: -lws2_32 -lmswsock
provides_slib: -ldemux_static
requires_slibs: -lws2_32 -lmswsock
Requires: flx_pthread
flx_requires_driver: flx_arun
macros: BUILD_DEMUX
includes: '"flx_demux.hpp"'
library: demux
headers: (.*/)?([^/\\]+\.hpp)>${2}
srcdir: src/demux
src: [^/\\]+\.cpp
src: win/.*\.cpp

$PWD/src/config/cygwin/demux.fpc

Name: demux
Description: Event handling (poll)
Comment: Generated during configuration
provides_dlib: -ldemux_dynamic
provides_slib: -ldemux_static
Requires: flx_pthread
flx_requires_driver: flx_arun
includes: '"flx_demux.hpp"'
macros: BUILD_DEMUX
library: demux
headers: (.*/)?([^/\\]+\.hpp)>${2}
srcdir: src/demux
src: [^/\\]+\.cpp
src: posix/.*\.cpp
src: poll/.*\.cpp

$PWD/buildsystem/demux.py

import fbuild
from fbuild.functools import call
from fbuild.path import Path
from fbuild.record import Record

import buildsystem
from buildsystem.config import config_call

# ------------------------------------------------------------------------------

def build_runtime(phase):
    print('[fbuild] [demux]')
    path = Path(phase.ctx.buildroot/'share'/'src/demux')

    buildsystem.copy_hpps_to_rtl(phase.ctx,
        #phase.ctx.buildroot / 'lib/rtl/flx_demux_config.hpp', # portable

        # portable
        path / 'flx_demux.hpp',
        path / 'demux_demuxer.hpp',
        path / 'demux_timer_queue.hpp',
        path / 'demux_quitter.hpp',

        # windows (monolithic)
        path / 'win/demux_iocp_demuxer.hpp',
        path / 'win/demux_overlapped.hpp',
        path / 'win/demux_win_timer_queue.hpp',
        path / 'win/demux_wself_piper.hpp',

        # posix
        path / 'posix/demux_posix_demuxer.hpp',
        path / 'posix/demux_posix_timer_queue.hpp',
        path / 'posix/demux_select_demuxer.hpp',
        path / 'posix/demux_sockety.hpp',
        path / 'posix/demux_self_piper.hpp',
        path / 'posix/demux_ts_select_demuxer.hpp',

        # linux, osx 10.3 (select impl), 10.4 real.
        path / 'poll/demux_poll_demuxer.hpp',
        path / 'poll/demux_ts_poll_demuxer.hpp',

        # linux (>= 2.6)
        path / 'epoll/demux_epoll_demuxer.hpp',

        # osx (10.3 onwards)/bsd
        path / 'kqueue/demux_kqueue_demuxer.hpp',

        # solaris (9 onwards?)
        path / 'evtport/demux_evtport_demuxer.hpp',
    )

    dst = 'host/lib/rtl/demux'
    srcs = [path / '*.cpp']
    includes = [
        phase.ctx.buildroot / 'host/lib/rtl',
        phase.ctx.buildroot / 'share/lib/rtl',
    ]
    macros = ['BUILD_DEMUX']
    libs = [call('buildsystem.flx_pthread.build_runtime', phase)]
    extra_libs = []

    if 'win32' in phase.platform:
        print("DEMUX: providing WIN32 IO COMPLETION PORTS");
        srcs.extend((
            path / 'win/demux_iocp_demuxer.cpp',       # windows
            path / 'win/demux_overlapped.cpp',         # windows
            path / 'win/demux_wself_piper.cpp',        # windows
            path / 'win/demux_win_timer_queue.cpp',    # windows
        ))
        extra_libs.extend(('ws2_32', 'mswsock'))

    if 'posix' in phase.platform:
        print("DEMUX: providing POSIX SELECT");
        srcs.extend((
            path / 'posix/demux_posix_demuxer.cpp',      # posix
            path / 'posix/demux_select_demuxer.cpp',     # posix
            path / 'posix/demux_posix_timer_queue.cpp',  # posix
            path / 'posix/demux_sockety.cpp',            # posix
            path / 'posix/demux_self_piper.cpp',         # posix
            path / 'posix/demux_ts_select_demuxer.cpp',  # posix
        ))

    poll_h = config_call('fbuild.config.c.posix.poll_h', phase.platform, phase.cxx.shared)
    sys_epoll_h = config_call('fbuild.config.c.linux.sys_epoll_h', phase.platform, phase.cxx.shared)
    sys_event_h = config_call('fbuild.config.c.bsd.sys_event_h', phase.platform, phase.cxx.shared)
    port_h = config_call('fbuild.config.c.solaris.port_h', phase.platform, phase.cxx.shared)

    if poll_h.header:
        print("DEMUX: providing UNIX POLL");
        srcs.extend((
            # I've seen poll on linux and osx10.4 systems.
            # conditionally compiled and used.
            path / 'poll/demux_poll_demuxer.cpp',       # I've seen this on linux and osx10.4
            path / 'poll/demux_ts_poll_demuxer.cpp',    # ditto
        ))

    if sys_epoll_h.header:
        print("DEMUX: providing LINUX EPOLL");
        srcs.append(path / 'epoll/demux_epoll_demuxer.cpp')

    if sys_event_h.header:
        print("DEMUX: providing OSX KQUEUE");
        srcs.append(path / 'kqueue/demux_kqueue_demuxer.cpp')

    if port_h.header:
        print("DEMUX: providingd SOLARIS EVENT PORTS");
        srcs.append(path / 'evtport/demux_evtport_demuxer.cpp')

    srcs = Path.globall(srcs)

    lp = len (path)
    #print("demux: srcs = ", [str (src)[lp+1:] for src in srcs])
    #print("demux: include paths = ", [str(inc) for inc in includes])
    return Record(
        static=buildsystem.build_cxx_static_lib(phase, dst, srcs,
            includes=includes,
            macros=macros,
            libs=[lib.static for lib in libs],
            external_libs=extra_libs),
        shared=buildsystem.build_cxx_shared_lib(phase, dst, srcs,
            includes=includes,
            macros=macros,
            libs=[lib.shared for lib in libs],
            external_libs=extra_libs))

def build_flx(phase):
    return buildsystem.copy_flxs_to_lib(phase.ctx,
        Path('src/demux/*.flx').glob())

share/lib/rtl/flx_demux_config.hpp

#ifndef __FLX_DEMUX_CONFIG_H__
#define __FLX_DEMUX_CONFIG_H__
#include "flx_rtl_config.hpp"
#ifdef BUILD_DEMUX
#define DEMUX_EXTERN FLX_EXPORT
#else
#define DEMUX_EXTERN FLX_IMPORT
#endif
#endif