#ifndef GIOP_SEND_BUFFER_H
#define GIOP_SEND_BUFFER_H 1

#include <orbit/GIOP/giop-types.h>
#include <orbit/GIOP/giop-connection.h>

G_BEGIN_DECLS

#ifdef ORBIT2_INTERNAL_API

typedef struct {
	gulong  size;
	guchar *ptr;
} GIOPIndirectChunk;

struct _GIOPSendBuffer {
	GIOPMsg msg;

	struct iovec *iovecs;
	gulong num_alloced;
	gulong num_used;

	const guchar *lastptr;

	guchar *indirect;
	gulong  indirect_left;

	GIOPIndirectChunk *indirects;
	guint num_indirects_alloced;

	guint       num_indirects_used;
	GIOPVersion giop_version;
	guint       header_size;
};

GIOPSendBuffer *giop_send_buffer_use         (GIOPVersion giop_version);

/* The operation_vec must be tail aligned to sizeof(CORBA_unsigned_long) */
GIOPSendBuffer *giop_send_buffer_use_request (GIOPVersion giop_version,
					      CORBA_unsigned_long request_id,
					      CORBA_boolean response_expected,
					      const CORBA_sequence_CORBA_octet *objkey,
					      const struct iovec *operation_vec,
					      const struct iovec *principal_vec);
/* No cancel - we never send it */
GIOPSendBuffer *giop_send_buffer_use_reply          (GIOPVersion         giop_version,
						     CORBA_unsigned_long request_id,
						     CORBA_unsigned_long reply_status);
GIOPSendBuffer *giop_send_buffer_use_locate_request (GIOPVersion         giop_version,
						     CORBA_unsigned_long request_id,
						     const CORBA_sequence_CORBA_octet *objkey);
GIOPSendBuffer *giop_send_buffer_use_locate_reply   (GIOPVersion         giop_version,
						     CORBA_unsigned_long request_id,
						     CORBA_unsigned_long locate_status);
GIOPSendBuffer *giop_send_buffer_use_close_connection (GIOPVersion giop_version);
GIOPSendBuffer *giop_send_buffer_use_message_error    (GIOPVersion giop_version);

void    giop_send_buffer_unuse          (GIOPSendBuffer *buf);
void    giop_send_buffer_append         (GIOPSendBuffer *buf,
					 gconstpointer   mem,
					 gulong          len);
guchar *giop_send_buffer_append_aligned (GIOPSendBuffer *buf,
					 gconstpointer   mem,
					 gulong          align_len);
void    giop_send_buffer_append_string  (GIOPSendBuffer *buf,
					 const char     *str);
void    giop_send_buffer_align          (GIOPSendBuffer *buf,
					 gulong          boundary);
int     giop_send_buffer_write          (GIOPSendBuffer *buf,
					 GIOPConnection *cnx,
					 gboolean        block);

#endif /* ORBIT2_INTERNAL_API */

G_END_DECLS

#endif