/* Sub-Module
   ==========
   Mpath I/O Channel Entry Points */

/* Function
   ========
   MPIOOpen

   Open an MPath I/O Channel and return handle.  An Mpath I/O Channel, like a
   socket is an abstraction of a logical network connection.  It differs from
   a socket in that it preserves message boundaries (ie one can only transmit
   and receive complete messages) and, as much as possible, the semantics of
   datagram and stream i/o are hidden to the caller. */

MPIO_HNDL*
MPIOOpen(MPIO_TYPE type,
         MPIO_DATATYPE data_type,
         struct sockaddr* local_addr,
         struct sockaddr* remote_addr,
         MPIOEventHndlrCBF* event_hndlr,
         void* ulp_arg,
         MPIO_EVENTFLAGS event_flags,
         MPOPT_VEC* opt_vec,
         u_int opt_vec_cnt) {

    MPIO_HNDL* chan = (MPIO_HNDL*)0;
    struct sockaddr* addr;
    MPIO_FAMILY family;
    MPOPT_VEC* opt_vec00,
             * opt_vec01;
    u_int opt_vec_cnt00,
          opt_vec_cnt01;

    u_int failure = true;

    /* Range check */

    if((type >= MPIOMaxType) ||
       (data_type >= MPIODataTypeMax) ||
       ((type == MPIOPassive) &&
        (local_addr == (struct sockaddr*)0)) ||
       ((type == MPIOActive) &&
        (remote_addr == (struct sockaddr*)0)) ||
       ((event_flags != 0) &&
        (event_hndlr == (MPIOEventHndlrCBF*)0)) ||
       ((event_flags == 0) &&
        (event_hndlr != (MPIOEventHndlrCBF*)0)) ||
       (((event_flags & (MPIORefIncEvent|MPIORefDecEvent)) != 0) &&
        ((event_flags & (MPIORefIncEvent|MPIORefDecEvent)) !=
         (MPIORefIncEvent|MPIORefDecEvent)))) {
        MPErrorSet(MPERR_INVALID);
        mp_log("000G9", MPLT_ERR, "MPIOOpen: " "Invalid Parameters");
        goto epilogue;
    }