http_connector_hit.c
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上传日期:2007-06-13
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- /*
- * ===========================================================================
- * PRODUCTION $Log: http_connector_hit.c,v $
- * PRODUCTION Revision 1000.2 2004/04/12 17:06:36 gouriano
- * PRODUCTION PRODUCTION: UPGRADED [CATCHUP_003] Dev-tree R6.13
- * PRODUCTION
- * ===========================================================================
- */
- /* $Id: http_connector_hit.c,v 1000.2 2004/04/12 17:06:36 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: Denis Vakatov
- *
- * File Description:
- * Hit an arbitrary URL using HTTP-based CONNECTOR
- *
- */
- #include "../ncbi_ansi_ext.h"
- #include <connect/ncbi_http_connector.h>
- #include <connect/ncbi_util.h>
- /* This header must go last */
- #include "test_assert.h"
- /* Holder for the cmd.-line arg values describing the URL to hit
- * (used by the pseudo-registry getter "s_REG_Get")
- */
- static struct {
- const char* host;
- const char* port;
- const char* path;
- const char* args;
- } s_Args;
- /* Getter for the pseudo-registry
- */
- #if defined(__cplusplus)
- extern "C" {
- static void s_REG_Get(void*user_data,
- const char* section, const char* name,
- char* value, size_t value_size);
- }
- #endif /* __cplusplus */
- static void s_REG_Get
- (void* user_data,
- const char* section,
- const char* name,
- char* value,
- size_t value_size)
- {
- if (strcmp(section, DEF_CONN_REG_SECTION) != 0) {
- assert(0);
- return;
- }
- #define X_GET_VALUE(x_name, x_value)
- if (strcmp(name, x_name) == 0) {
- strncpy0(value, x_value, value_size - 1);
- return;
- }
- X_GET_VALUE(REG_CONN_HOST, s_Args.host);
- X_GET_VALUE(REG_CONN_PORT, s_Args.port);
- X_GET_VALUE(REG_CONN_PATH, s_Args.path);
- X_GET_VALUE(REG_CONN_ARGS, s_Args.args);
- X_GET_VALUE(REG_CONN_DEBUG_PRINTOUT, "yes");
- }
- /*****************************************************************************
- * MAIN
- */
- int main(int argc, const char* argv[])
- {
- const char* inp_file = (argc > 5) ? argv[5] : "";
- const char* user_header = (argc > 6) ? argv[6] : "";
- CONNECTOR connector;
- CONN conn;
- EIO_Status status;
- char buffer[100];
- size_t n_read, n_written;
- /* Prepare to connect: parse and check cmd.-line args, etc. */
- s_Args.host = (argc > 1) ? argv[1] : "";
- s_Args.port = (argc > 2) ? argv[2] : "";
- s_Args.path = (argc > 3) ? argv[3] : "";
- s_Args.args = (argc > 4) ? argv[4] : "";
- fprintf(stderr, "Running '%s':n"
- " URL host: '%s'n"
- " URL port: '%s'n"
- " URL path: '%s'n"
- " URL args: '%s'n"
- " Input data file: '%s'n"
- " User header: '%s'n"
- " Reply(if any) from the hit URL goes to the standard output.nn",
- argv[0],
- s_Args.host, s_Args.port, s_Args.path, s_Args.args,
- inp_file, user_header);
- /* Log stream */
- CORE_SetLOGFILE(stderr, 0/*false*/);
- /* Tune to the test URL using hard-coded pseudo-registry */
- CORE_SetREG( REG_Create(0, s_REG_Get, 0, 0, 0) );
- /* Usage */
- if (argc < 4) {
- fprintf(stderr,
- "Usage: %s host port path [args] [inp_file] [user_header]n"
- "Example: %s yar.ncbi.nlm.nih.gov 6224 "
- "/tools/vakatov/con_url.cgi 'arg1+arg2+arg3'n",
- argv[0], argv[0]);
- fprintf(stderr, "Too few arguments.n");
- return 1;
- }
- /* Connect */
- connector = HTTP_CreateConnector(0, user_header, 0);
- assert(connector);
- verify(CONN_Create(connector, &conn) == eIO_Success);
- /* If the input file is specified,
- * then send its content (as the HTTP request body) to URL
- */
- if ( *inp_file ) {
- FILE* inp_fp = fopen(inp_file, "rb");
- if ( !inp_fp ) {
- fprintf(stderr, "Cannot open file '%s' for read", inp_file);
- assert(0);
- }
- for (;;) {
- n_read = fread(buffer, 1, sizeof(buffer), inp_fp);
- if (n_read <= 0) {
- assert(feof(inp_fp));
- break; /* EOF */
- }
- status = CONN_Write(conn, buffer, n_read,
- &n_written, eIO_WritePersist);
- if (status != eIO_Success) {
- fprintf(stderr, "Error writing to URL (%s)",
- IO_StatusStr(status));
- assert(0);
- }
- assert(n_written == n_read);
- }
- fclose(inp_fp);
- }
- /* Read reply from connection, write it to standard output */
- fprintf(stdout, "nn----- [BEGIN] HTTP Content -----n");
- for (;;) {
- status = CONN_Read(conn,buffer,sizeof(buffer),&n_read,eIO_ReadPlain);
- if (status != eIO_Success)
- break;
- fwrite(buffer, 1, n_read, stdout);
- fflush(stdout);
- }
- fprintf(stdout, "n----- [END] HTTP Content -----nn");
- if (status != eIO_Closed) {
- fprintf(stderr, "Error reading from URL (%s)", IO_StatusStr(status));
- assert(0);
- }
- /* Success: close the connection, cleanup, and exit */
- CONN_Close(conn);
- CORE_SetREG(0);
- CORE_SetLOG(0);
- return 0;
- }
- /*
- * --------------------------------------------------------------------------
- * $Log: http_connector_hit.c,v $
- * Revision 1000.2 2004/04/12 17:06:36 gouriano
- * PRODUCTION: UPGRADED [CATCHUP_003] Dev-tree R6.13
- *
- * Revision 6.13 2004/04/01 14:14:02 lavr
- * Spell "occurred", "occurrence", and "occurring"
- *
- * Revision 6.12 2004/02/23 15:23:42 lavr
- * New (last) parameter "how" added in CONN_Write() API call
- *
- * Revision 6.11 2003/04/15 14:06:09 lavr
- * Changed ray.nlm.nih.gov -> ray.ncbi.nlm.nih.gov
- *
- * Revision 6.10 2002/11/22 15:09:40 lavr
- * Replace all occurrences of "ray" with "yar"
- *
- * Revision 6.9 2002/10/28 15:47:12 lavr
- * Use "ncbi_ansi_ext.h" privately and use strncpy0()
- *
- * Revision 6.8 2002/08/07 16:38:08 lavr
- * EIO_ReadMethod enums changed accordingly; log moved to end
- *
- * Revision 6.7 2002/03/22 19:45:55 lavr
- * Test_assert.h made last among the include files
- *
- * Revision 6.6 2002/01/16 21:23:14 vakatov
- * Utilize header "test_assert.h" to switch on ASSERTs in the Release mode too
- *
- * Revision 6.5 2001/01/11 16:42:45 lavr
- * Registry Get/Set methods got the 'user_data' argument, forgotten earlier
- *
- * Revision 6.4 2000/11/15 17:27:29 vakatov
- * Fixed path to the test CGI application.
- *
- * Revision 6.3 2000/09/27 16:00:24 lavr
- * Registry entries adjusted
- *
- * Revision 6.2 2000/05/30 23:24:40 vakatov
- * Cosmetic fix for the C++ compilation
- *
- * Revision 6.1 2000/04/21 19:56:28 vakatov
- * Initial revision
- *
- * ==========================================================================
- */