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/* mimapi.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: mimapi.c
*
* Author: Jonathan Kans
*
* Version Creation Date: 8/16/00
*
* $Revision: 1.10 $
*
* File Description:
*
* Modifications:
* --------------------------------------------------------------------------
* Date Name Description of modification
* ------- ---------- -----------------------------------------------------
*
*
* ==========================================================================
*/
#include <ncbi.h>
#include <urlquery.h>
#include <mimapi.h>
/* low-level connection functions */
NLM_EXTERN CONN MimOpenConnection (
Int4 uid
)
{
Char query [64];
if (uid < 1) return NULL;
/*
sprintf (query, "cmd=ASN.1&id=%ld", (long) uid);
return QUERY_OpenUrlQuery ("www.ncbi.nlm.nih.gov", 80, "/entrez/dispomim.cgi",
query, "Entrez2Tool", 30, eMIME_T_NcbiData,
eMIME_AsnText, eENCOD_None, 0);
*/
sprintf (query, "id=%ld", (long) uid);
return QUERY_OpenServiceQuery ("MimFetch", query, 30);
}
#ifdef OS_MAC
#include <Events.h>
#endif
NLM_EXTERN MimEntryPtr MimWaitForReply (
CONN conn
)
{
AsnIoConnPtr aicp;
time_t currtime, starttime;
time_t max = 0;
MimEntryPtr mep = NULL;
EIO_Status status;
STimeout timeout;
#ifdef OS_MAC
EventRecord currEvent;
#endif
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
WaitNextEvent (0, &currEvent, 0, NULL);
#endif
}
if (status == eIO_Success) {
aicp = QUERY_AsnIoConnOpen ("r", conn);
mep = MimEntryAsnRead (aicp->aip, NULL);
QUERY_AsnIoConnClose (aicp);
}
CONN_Close (conn);
return mep;
}
/* high-level connection functions */
NLM_EXTERN MimEntryPtr MimSynchronousQuery (
Int4 uid
)
{
CONN conn;
MimEntryPtr mep;
conn = MimOpenConnection (uid);
if (conn == NULL) return NULL;
QUERY_SendQuery (conn);
mep = MimWaitForReply (conn);
return mep;
}
NLM_EXTERN Boolean MimAsynchronousQuery (
Int4 uid,
QUEUE* queue,
QueryResultProc resultproc,
VoidPtr userdata
)
{
CONN conn;
conn = MimOpenConnection (uid);
if (conn == NULL) return FALSE;
QUERY_SendQuery (conn);
QUERY_AddToQueue (queue, conn, resultproc, userdata, TRUE);
return TRUE;
}
NLM_EXTERN Int4 MimCheckQueue (
QUEUE* queue
)
{
return QUERY_CheckQueue (queue);
}
NLM_EXTERN MimEntryPtr MimReadReply (
CONN conn,
EIO_Status status
)
{
AsnIoConnPtr aicp;
MimEntryPtr mep = NULL;
if (conn != NULL && status == eIO_Success) {
aicp = QUERY_AsnIoConnOpen ("r", conn);
mep = MimEntryAsnRead (aicp->aip, NULL);
QUERY_AsnIoConnClose (aicp);
}
return mep;
}
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