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/* $Id: http_connector_hit.c,v 6.19 2010/02/03 19:04:42 kazimird 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 <connect/ncbi_http_connector.h>
#include "../ncbi_ansi_ext.h"
#include "../ncbi_priv.h" /* CORE logging facilities */
/* 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.\n\n",
argv[0],
s_Args.host, s_Args.port, s_Args.path, s_Args.args,
inp_file, user_header);
/* Log stream */
CORE_SetLOGFormatFlags(fLOG_None | fLOG_Level |
fLOG_OmitNoteLevel | fLOG_DateTime);
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 www.ncbi.nlm.nih.gov 80 "
"/Service/bounce.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;
if (strcmp(inp_file, "-") != 0) {
static const char kDevNull[] =
#ifdef NCBI_OS_MSWIN
"NUL"
#else
"/dev/null"
#endif /*NCBI_OS_MSWIN*/
;
if (strcmp(inp_file, "+") == 0)
inp_file = kDevNull;
if (!(inp_fp = fopen(inp_file, "rb"))) {
fprintf(stderr, "Cannot open file '%s' for reading", inp_file);
assert(0);
}
} else
inp_fp = stdin;
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 */
for (;;) {
status = CONN_Read(conn,buffer,sizeof(buffer),&n_read,eIO_ReadPlain);
if (status != eIO_Success)
break;
if (connector)
puts("----- [BEGIN] HTTP Content -----");
fwrite(buffer, 1, n_read, stdout);
fflush(stdout);
connector = 0;
}
if (!connector) {
puts("\n----- [END] HTTP Content -----");
fclose(stdout);
}
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_LOG(eLOG_Note, "TEST completed successfully");
CORE_SetLOG(0);
return 0;
}
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