/* ccapi/lib/ccapi_ipc.c */
/*
* Copyright 2006 Massachusetts Institute of Technology.
* All Rights Reserved.
*
* Export of this software from the United States of America may
* require a specific license from the United States Government.
* It is the responsibility of any person or organization contemplating
* export to obtain such a license before exporting.
*
* WITHIN THAT CONSTRAINT, permission to use, copy, modify, and
* distribute this software and its documentation for any purpose and
* without fee is hereby granted, provided that the above copyright
* notice appear in all copies and that both that copyright notice and
* this permission notice appear in supporting documentation, and that
* the name of M.I.T. not be used in advertising or publicity pertaining
* to distribution of the software without specific, written prior
* permission. Furthermore if you modify this software you must label
* your software as modified software and not distribute it in such a
* fashion that it might be confused with the original M.I.T. software.
* M.I.T. makes no representations about the suitability of
* this software for any purpose. It is provided "as is" without express
* or implied warranty.
*/
#include "ccapi_ipc.h"
#include "ccapi_os_ipc.h"
/* ------------------------------------------------------------------------ */
cc_int32 cci_ipc_process_init (void)
{
return cci_os_ipc_process_init ();
}
/* ------------------------------------------------------------------------ */
cc_int32 cci_ipc_thread_init (void)
{
return cci_os_ipc_thread_init ();
}
/* ------------------------------------------------------------------------ */
static cc_int32 _cci_ipc_send (enum cci_msg_id_t in_request_name,
cc_int32 in_launch_server,
cci_identifier_t in_identifier,
k5_ipc_stream in_request_data,
k5_ipc_stream *out_reply_data)
{
cc_int32 err = ccNoError;
k5_ipc_stream request = NULL;
k5_ipc_stream reply = NULL;
cc_int32 reply_error = 0;
if (!in_identifier) { err = cci_check_error (ccErrBadParam); }
/* in_request_data may be NULL */
/* out_reply_data may be NULL */
if (!err) {
err = cci_message_new_request_header (&request,
in_request_name,
in_identifier);
}
if (!err && in_request_data) {
err = krb5int_ipc_stream_write (request,
krb5int_ipc_stream_data (in_request_data),
krb5int_ipc_stream_size (in_request_data));
}
if (!err) {
err = cci_os_ipc (in_launch_server, request, &reply);
if (!err && krb5int_ipc_stream_size (reply) > 0) {
err = cci_message_read_reply_header (reply, &reply_error);
}
}
if (!err && reply_error) {
err = reply_error;
}
if (!err && out_reply_data) {
*out_reply_data = reply;
reply = NULL; /* take ownership */
}
krb5int_ipc_stream_release (request);
krb5int_ipc_stream_release (reply);
return cci_check_error (err);
}
/* ------------------------------------------------------------------------ */
cc_int32 cci_ipc_send (enum cci_msg_id_t in_request_name,
cci_identifier_t in_identifier,
k5_ipc_stream in_request_data,
k5_ipc_stream *out_reply_data)
{
return cci_check_error (_cci_ipc_send (in_request_name, 1,
in_identifier,
in_request_data,
out_reply_data));
}
/* ------------------------------------------------------------------------ */
cc_int32 cci_ipc_send_no_launch (enum cci_msg_id_t in_request_name,
cci_identifier_t in_identifier,
k5_ipc_stream in_request_data,
k5_ipc_stream *out_reply_data)
{
return cci_check_error (_cci_ipc_send (in_request_name, 0,
in_identifier,
in_request_data,
out_reply_data));
}