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#!/usr/bin/env bash

# Experimental script, please consult with dmarion@me.com before
# submitting any changes

# defaults
build_dir=.
install_dir=/usr/local
build_type=release
prefix_path=/opt/vpp/external/$(uname -m)/
src_dir="$(dirname "$(readlink -f "$0")")"

help()
{
  cat << __EOF__
VPP Build Configuration Script

USAGE: ${0} [options]

OPTIONS:
  --help, -h              This help
  --build-dir, -b         Build directory
  --install-dir, -i       Install directory
  --build-type, -t        Build type (release, debug, ...)
  --wipe, -w              Wipe whole repo (except startup.* files)
__EOF__
}

while (( "$#" )); do
  case "$1" in
    -h|--help)
      help
      exit 1
      ;;
    -b|--build-dir)
      if [ -n "$2" ] && [ ${2:0:1} != "-" ]; then
        build_dir=$2
        shift 2
      else
        echo "Error: Argument for $1 is missing" >&2
        exit 1
      fi
      ;;
    -i|--install-dir)
      if [ -n "$2" ] && [ ${2:0:1} != "-" ]; then
        install_dir=$2
        shift 2
      else
        echo "Error: Argument for $1 is missing" >&2
        exit 1
      fi
      ;;
    -t|--build-type)
      if [ -n "$2" ] && [ ${2:0:1} != "-" ]; then
        build_type=$2
        shift 2
      else
        echo "Error: Argument for $1 is missing" >&2
        exit 1
      fi
      ;;
    -w|--wipe)
      git clean -fdx --exclude=startup.\*
      exit 1
      ;;
    -*|--*=) # unsupported flags
      echo "Error: Unsupported flag $1" >&2
      exit 1
      ;;
    *) # preserve positional arguments
      PARAMS="$PARAMS $1"
      shift
      ;;
  esac
done

cmake \
  -G Ninja \
  -S ${src_dir}/src \
  -B ${build_dir} \
  -DCMAKE_PREFIX_PATH=${prefix_path} \
  -DCMAKE_INSTALL_PREFIX=${install_dir} \
  -DCMAKE_EXPORT_COMPILE_COMMANDS:BOOL=ON \
  -DCMAKE_BUILD_TYPE:STRING=${build_type}

  cat << __EOF__

  Useful build commands:

  ninja                   Build VPP
  ninja set-build-type-*  Change build type to <debug|release|gcov|...>
  ninja config            Start build configuration TUI
  ninja run               Runs VPP using startup.conf in the build directory
  ninja debug             Runs VPP inside GDB using startup.conf in the build directory
  ninja pkg-deb           Create .deb packages
  ninja install           Install VPP to $install_dir

__EOF__
_socket_t * sock, int min_bytes); clib_error_t *(*close_func) (struct _socket_t * sock); clib_error_t *(*recvmsg_func) (struct _socket_t * s, void *msg, int msglen, int fds[], int num_fds); clib_error_t *(*sendmsg_func) (struct _socket_t * s, void *msg, int msglen, int fds[], int num_fds); uword private_data; } clib_socket_t; /* socket config format is host:port. Unspecified port causes a free one to be chosen starting from IPPORT_USERRESERVED (5000). */ clib_error_t *clib_socket_init (clib_socket_t * socket); clib_error_t *clib_socket_accept (clib_socket_t * server, clib_socket_t * client); always_inline uword clib_socket_is_server (clib_socket_t * sock) { return (sock->flags & CLIB_SOCKET_F_IS_SERVER) != 0; } always_inline uword clib_socket_is_client (clib_socket_t * s) { return !clib_socket_is_server (s); } always_inline uword clib_socket_is_connected (clib_socket_t * sock) { return sock->fd > 0; } always_inline int clib_socket_rx_end_of_file (clib_socket_t * s) { return s->flags & CLIB_SOCKET_F_RX_END_OF_FILE; } always_inline void * clib_socket_tx_add (clib_socket_t * s, int n_bytes) { u8 *result; vec_add2 (s->tx_buffer, result, n_bytes); return result; } always_inline void clib_socket_tx_add_va_formatted (clib_socket_t * s, char *fmt, va_list * va) { s->tx_buffer = va_format (s->tx_buffer, fmt, va); } always_inline clib_error_t * clib_socket_tx (clib_socket_t * s) { return s->write_func (s); } always_inline clib_error_t * clib_socket_rx (clib_socket_t * s, int n_bytes) { return s->read_func (s, n_bytes); } always_inline clib_error_t * clib_socket_sendmsg (clib_socket_t * s, void *msg, int msglen, int fds[], int num_fds) { return s->sendmsg_func (s, msg, msglen, fds, num_fds); } always_inline clib_error_t * clib_socket_recvmsg (clib_socket_t * s, void *msg, int msglen, int fds[], int num_fds) { return s->recvmsg_func (s, msg, msglen, fds, num_fds); } always_inline void clib_socket_free (clib_socket_t * s) { vec_free (s->tx_buffer); vec_free (s->rx_buffer); if (clib_mem_is_heap_object (s->config)) vec_free (s->config); clib_memset (s, 0, sizeof (s[0])); } always_inline clib_error_t * clib_socket_close (clib_socket_t * sock) { clib_error_t *err; err = (*sock->close_func) (sock); return err; } void clib_socket_tx_add_formatted (clib_socket_t * s, char *fmt, ...); #endif /* _clib_included_socket_h */ /* * fd.io coding-style-patch-verification: ON * * Local Variables: * eval: (c-set-style "gnu") * End: */