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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifdef AXIS2_LIBCURL_ENABLED
#include "libcurl_stream.h"
#include <string.h>
typedef struct libcurl_stream_impl
{
axutil_stream_t stream;
axutil_stream_type_t stream_type;
axis2_char_t *buffer;
int size;
int read_len;
}
libcurl_stream_impl_t;
#define AXIS2_INTF_TO_IMPL(stream) ((libcurl_stream_impl_t *)(stream))
/********************************Function headers******************************/
axutil_stream_type_t AXIS2_CALL libcurl_stream_get_type(
axutil_stream_t * stream,
const axutil_env_t * env);
int AXIS2_CALL libcurl_stream_write(
axutil_stream_t * stream,
const axutil_env_t * env,
const void *buffer,
size_t count);
int AXIS2_CALL libcurl_stream_read(
axutil_stream_t * stream,
const axutil_env_t * env,
void *buffer,
size_t count);
int AXIS2_CALL libcurl_stream_skip(
axutil_stream_t * stream,
const axutil_env_t * env,
int count);
int AXIS2_CALL libcurl_stream_get_char(
axutil_stream_t * stream,
const axutil_env_t * env);
/************************* End of function headers ****************************/
/*
* Internal function. Not exposed to outside
*/
AXIS2_EXTERN axutil_stream_t *AXIS2_CALL
axutil_stream_create_libcurl(
const axutil_env_t * env,
axis2_char_t * buffer,
unsigned int size)
{
libcurl_stream_impl_t *stream_impl = NULL;
AXIS2_PARAM_CHECK(env->error, buffer, NULL);
stream_impl =
(libcurl_stream_impl_t *) AXIS2_MALLOC(env->allocator,
sizeof(libcurl_stream_impl_t));
if (!stream_impl)
{
AXIS2_HANDLE_ERROR(env, AXIS2_ERROR_NO_MEMORY, AXIS2_FAILURE);
return NULL;
}
stream_impl->buffer = buffer;
stream_impl->size = size;
stream_impl->read_len = 0;
stream_impl->stream_type = AXIS2_STREAM_MANAGED;
axutil_stream_set_read(&(stream_impl->stream), env, libcurl_stream_read);
axutil_stream_set_write(&(stream_impl->stream), env, libcurl_stream_write);
axutil_stream_set_skip(&(stream_impl->stream), env, libcurl_stream_skip);
return &(stream_impl->stream);
}
void AXIS2_CALL
libcurl_stream_free(
void * stream,
const axutil_env_t * env)
{
libcurl_stream_impl_t *stream_impl = NULL;
stream_impl = AXIS2_INTF_TO_IMPL(stream);
AXIS2_FREE(env->allocator, stream_impl);
return;
}
int AXIS2_CALL
libcurl_stream_read(
axutil_stream_t * stream,
const axutil_env_t * env,
void *buffer,
size_t count)
{
libcurl_stream_impl_t *stream_impl = NULL;
int read = 0;
int unread = 0;
stream_impl = AXIS2_INTF_TO_IMPL(stream);
if (stream_impl->size >= (int)count)
/* We are sure that the difference lies within the int range */
{
if (buffer && (stream_impl->size > stream_impl->read_len))
{
unread = (stream_impl->size - stream_impl->read_len);
if (unread > (int)count)
/* We are sure that the difference lies within the int range */
{
memcpy(buffer, &stream_impl->buffer[stream_impl->read_len],
count);
read = (int)count;
/* We are sure that the difference lies within the int range */
stream_impl->read_len += read;
}
else
{
memcpy(buffer, &stream_impl->buffer[stream_impl->read_len],
unread);
read = unread;
stream_impl->read_len += read;
}
}
else
read = 0;
}
else
{
if (buffer && (stream_impl->size > stream_impl->read_len))
{
memcpy(buffer, &stream_impl->buffer[stream_impl->read_len],
stream_impl->size - stream_impl->read_len);
read = stream_impl->size - stream_impl->read_len;
stream_impl->read_len += read;
}
else
read = 0;
}
return read;
}
int AXIS2_CALL
libcurl_stream_write(
axutil_stream_t * stream,
const axutil_env_t * env,
const void *buffer,
size_t count)
{
return (int)count;
/* We are sure that the difference lies within the int range */
}
int AXIS2_CALL
libcurl_stream_skip(
axutil_stream_t * stream,
const axutil_env_t * env,
int count)
{
return 0;
}
int AXIS2_CALL
libcurl_stream_get_char(
axutil_stream_t * stream,
const axutil_env_t * env)
{
return 0;
}
#endif /* AXIS2_LIBCURL_ENABLED */
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