test_ncbi_http_get.c
上传用户：yhdzpy8989
上传日期：2007-06-13
资源大小：13604k
文件大小：6k
- /*
- * ===========================================================================
- * PRODUCTION $Log: test_ncbi_http_get.c,v $
- * PRODUCTION Revision 1000.0 2003/10/29 17:05:24 gouriano
- * PRODUCTION PRODUCTION: IMPORTED [ORIGINAL] Dev-tree R6.12
- * PRODUCTION
- * ===========================================================================
- */
- /* $Id: test_ncbi_http_get.c,v 1000.0 2003/10/29 17:05:24 gouriano Exp $
- * ===========================================================================
- *
- * PUBLIC DOMAIN NOTICE
- * National Center for Biotechnology Information
- *
- * 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 have not placed any restriction on its use or reproduction.
- *
- * 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.
- *
- * Please cite the author in any work or product based on this material.
- *
- * ===========================================================================
- *
- * Author: Anton Lavrentiev
- *
- * File Description:
- * Retrieve a Web document via HTTP
- *
- */
- #include "../ncbi_ansi_ext.h"
- #include "../ncbi_priv.h"
- #include <connect/ncbi_http_connector.h>
- #include <connect/ncbi_util.h>
- #include <stdlib.h>
- #include <time.h>
- #ifdef NCBI_OS_UNIX
- # include <unistd.h>
- #endif
- /* This header must go last */
- #include "test_assert.h"
- int main(int argc, char* argv[])
- {
- static const STimeout s_ZeroTmo = {0, 0};
- CONNECTOR connector;
- SConnNetInfo* net_info;
- THCC_Flags flags;
- CONN conn;
- time_t t;
- size_t n;
- char* s;
- CORE_SetLOGFormatFlags(fLOG_None | fLOG_Level |
- fLOG_OmitNoteLevel | fLOG_DateTime);
- CORE_SetLOGFILE(stderr, 0/*false*/);
- if (argc != 2 || !*argv[1]) {
- CORE_LOG(eLOG_Error, "URL has to be supplied on the command line");
- exit(1);
- }
- CORE_LOG(eLOG_Note, "Creating network info structure");
- if (!(net_info = ConnNetInfo_Create(0)))
- CORE_LOG(eLOG_Fatal, "Cannot create network info structure");
- net_info->req_method = eReqMethod_Get;
- if ((s = getenv("CONN_TIMEOUT")) && strcmp(s, "0") == 0) {
- memcpy(&net_info->tmo, &s_ZeroTmo, sizeof(s_ZeroTmo));
- net_info->timeout = &net_info->tmo;
- }
- CORE_LOGF(eLOG_Note,
- ("Parsing URL "%s" into network info structure", argv[1]));
- if (!ConnNetInfo_ParseURL(net_info, argv[1]))
- CORE_LOG(eLOG_Fatal, "URL parsing failed");
- if ((s = getenv("CONN_RECONNECT")) != 0 &&
- (strcasecmp(s, "TRUE") == 0 || strcasecmp(s, "1") == 0)) {
- flags = fHCC_AutoReconnect;
- CORE_LOG(eLOG_Note, "Reconnect mode will be used");
- } else
- flags = 0;
- CORE_LOG(eLOG_Note, "Creating HTTP connector");
- if (!(connector = HTTP_CreateConnector(net_info, 0, flags)))
- CORE_LOG(eLOG_Fatal, "Cannot create HTTP connector");
- CORE_LOG(eLOG_Note, "Creating connection");
- if (CONN_Create(connector, &conn) != eIO_Success)
- CORE_LOG(eLOG_Fatal, "Cannot create connection");
- CONN_SetTimeout(conn, eIO_Open, net_info->timeout);
- CONN_SetTimeout(conn, eIO_ReadWrite, net_info->timeout);
- t = time(0);
- for (;;) {
- char blk[512];
- EIO_Status status = CONN_Wait(conn, eIO_Read, net_info->timeout);
- if (status != eIO_Success) {
- if (status == eIO_Closed)
- break;
- if ((unsigned long)(time(0) - t) > 30)
- CORE_LOG(eLOG_Fatal, "Timed out");
- #ifdef NCBI_OS_UNIX
- usleep(500);
- #endif
- continue;
- }
- status = CONN_Read(conn, blk, sizeof(blk), &n, eIO_ReadPlain);
- if (status != eIO_Success && status != eIO_Closed)
- CORE_LOGF(eLOG_Fatal, ("Read error: %s", IO_StatusStr(status)));
- if (n) {
- fwrite(blk, 1, n, stdout);
- fflush(stdout);
- } else if (status == eIO_Closed) {
- break;
- } else
- CORE_LOG(eLOG_Fatal, "Empty read");
- }
- ConnNetInfo_Destroy(net_info);
- CORE_LOG(eLOG_Note, "Closing connection");
- CONN_Close(conn);
- CORE_LOG(eLOG_Note, "Completed");
- CORE_SetLOG(0);
- return 0;
- }
- /*
- * --------------------------------------------------------------------------
- * $Log: test_ncbi_http_get.c,v $
- * Revision 1000.0 2003/10/29 17:05:24 gouriano
- * PRODUCTION: IMPORTED [ORIGINAL] Dev-tree R6.12
- *
- * Revision 6.12 2003/09/30 20:59:39 lavr
- * Fix typo in previous log message
- *
- * Revision 6.11 2003/09/30 20:57:15 lavr
- * Allow to set zero timeout via environment
- *
- * Revision 6.10 2003/05/20 23:52:01 lavr
- * Explicit cast "time_t"->"unsigned" to avoid GCC warning
- *
- * Revision 6.9 2003/05/19 16:58:37 lavr
- * Modified to use {0,0} timeouts in CONN_Wait() and use app timeout handling
- *
- * Revision 6.8 2003/05/14 03:58:43 lavr
- * Match changes in respective APIs of the tests
- *
- * Revision 6.7 2002/10/28 15:47:06 lavr
- * Use "ncbi_ansi_ext.h" privately
- *
- * Revision 6.6 2002/08/14 14:42:46 lavr
- * Use fwrite() instead of printf() when printing out the data fetched
- *
- * Revision 6.5 2002/08/07 16:38:08 lavr
- * EIO_ReadMethod enums changed accordingly; log moved to end
- *
- * Revision 6.4 2002/03/22 19:47:23 lavr
- * Test_assert.h made last among the include files
- *
- * Revision 6.3 2002/02/05 21:45:55 lavr
- * Included header files rearranged
- *
- * Revision 6.2 2002/01/16 21:23:15 vakatov
- * Utilize header "test_assert.h" to switch on ASSERTs in the Release mode too
- *
- * Revision 6.1 2001/12/30 19:42:06 lavr
- * Initial revision
- *
- * ==========================================================================
- */
English
