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/* strucapi.c
* ===========================================================================
*
* PUBLIC DOMAIN NOTICE
* National Center for Biotechnology Information (NCBI)
*
* This software/database is a "United States Government Work" under the
* terms of the United States Copyright Act. It was written as part of
* the author's official duties as a United States Government employee and
* thus cannot be copyrighted. This software/database is freely available
* to the public for use. The National Library of Medicine and the U.S.
* Government do not place any restriction on its use or reproduction.
* We would, however, appreciate having the NCBI and the author cited in
* any work or product based on this material
*
* Although all reasonable efforts have been taken to ensure the accuracy
* and reliability of the software and data, the NLM and the U.S.
* Government do not and cannot warrant the performance or results that
* may be obtained by using this software or data. The NLM and the U.S.
* Government disclaim all warranties, express or implied, including
* warranties of performance, merchantability or fitness for any particular
* purpose.
*
* ===========================================================================
*
* File Name: strucapi.c
*
* Author: Jonathan Kans
*
* Version Creation Date: 8/18/00
*
* $Revision: 1.17 $
*
* File Description:
*
* Modifications:
* --------------------------------------------------------------------------
* Date Name Description of modification
* ------- ---------- -----------------------------------------------------
*
*
* ==========================================================================
*/
#include <ncbi.h>
#include <urlquery.h>
#include <strucapi.h>
/* low-level connection functions */
NLM_EXTERN CONN StrucOpenConnection (
Int4 uid
)
{
Char query [256];
/*
CONN conn;
size_t n_written;
EIO_Status status;
*/
if (uid < 1) return NULL;
/*
sprintf (query, "uid=%ld%s", (long) uid,
"&save=asntext&form=6&db=t&Dopt=j&Complexity=Cn3D%20Subset");
conn = QUERY_OpenUrlQuery ("www.ncbi.nlm.nih.gov", 80, "/Structure/mmdb/mmdbsrv.cgi",
NULL, "Entrez2Tool", 30, eMIME_T_NcbiData,
eMIME_WwwForm, eENCOD_Url, 0);
status = CONN_Write (conn, (const void *) query, StringLen (query), &n_written);
if (status != eIO_Success) {
CONN_Close (conn);
return NULL;
}
return conn;
*/
sprintf (query, "uid=%ld%s", (long) uid,
"&save=asntext&form=6&db=t&Dopt=j&Complexity=Cn3D%20Subset");
return QUERY_OpenServiceQuery ("StrucFetch", query, 30);
}
NLM_EXTERN BiostrucSeqPtr StrucWaitForReply (
CONN conn
)
{
BiostrucSeqPtr bsp = NULL;
time_t currtime, starttime;
Int2 max = 0;
EIO_Status status;
STimeout timeout;
if (conn == NULL) return NULL;
#ifdef OS_MAC
timeout.sec = 0;
timeout.usec = 0;
#else
timeout.sec = 100;
timeout.usec = 0;
#endif
starttime = GetSecs ();
while ((status = CONN_Wait (conn, eIO_Read, &timeout)) == eIO_Timeout && max < 300) {
currtime = GetSecs ();
max = currtime - starttime;
#ifdef OS_MAC
QUERY_WaitForNextMacEvent ();
#endif
}
if (status == eIO_Success) {
/*
{
FILE *fp = FileOpen ("dummy", "w");
QUERY_CopyResultsToFile (conn, fp);
FileClose (fp);
}
*/
bsp = StrucReadReply (conn, status);
}
CONN_Close (conn);
return bsp;
}
/* high-level connection functions */
NLM_EXTERN BiostrucSeqPtr StrucSynchronousQuery (
Int4 uid
)
{
BiostrucSeqPtr bsp;
CONN conn;
conn = StrucOpenConnection (uid);
if (conn == NULL) return NULL;
QUERY_SendQuery (conn);
bsp = StrucWaitForReply (conn);
return bsp;
}
NLM_EXTERN Boolean StrucAsynchronousQuery (
Int4 uid,
QUEUE* queue,
QueryResultProc resultproc,
VoidPtr userdata
)
{
CONN conn;
conn = StrucOpenConnection (uid);
if (conn == NULL) return FALSE;
QUERY_SendQuery (conn);
QUERY_AddToQueue (queue, conn, resultproc, userdata, TRUE);
return TRUE;
}
NLM_EXTERN Int4 StrucCheckQueue (
QUEUE* queue
)
{
return QUERY_CheckQueue (queue);
}
NLM_EXTERN BiostrucSeqPtr StrucReadReply (
CONN conn,
EIO_Status status
)
{
AsnIoConnPtr aicp;
BiostrucSeqPtr bsp = NULL;
NcbiMimeAsn1Ptr nmap = NULL;
if (conn != NULL && status == eIO_Success) {
aicp = QUERY_AsnIoConnOpen ("r", conn);
nmap = NcbiMimeAsn1AsnRead (aicp->aip, NULL);
QUERY_AsnIoConnClose (aicp);
if (nmap != NULL && nmap->choice == NcbiMimeAsn1_strucseq) {
bsp = (BiostrucSeqPtr) nmap->data.ptrvalue;
}
}
return bsp;
}
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