dpl_status_t
dpl_sproxyd_get_id(dpl_ctx_t *ctx,
const char *bucket,
const char *resource,
const char *subresource,
const dpl_option_t *option,
dpl_ftype_t object_type,
const dpl_condition_t *condition,
const dpl_range_t *range,
char **data_bufp,
unsigned int *data_lenp,
dpl_dict_t **metadatap,
dpl_sysmd_t *sysmdp,
char **locationp)
{
int ret, ret2;
dpl_conn_t *conn = NULL;
char header[dpl_header_size];
u_int header_len;
struct iovec iov[10];
int n_iov = 0;
int connection_close = 0;
char *data_buf = NULL;
u_int data_len;
dpl_dict_t *headers_request = NULL;
dpl_dict_t *headers_reply = NULL;
dpl_req_t *req = NULL;
dpl_sproxyd_req_mask_t req_mask = 0u;
DPL_TRACE(ctx, DPL_TRACE_BACKEND, "");
req = dpl_req_new(ctx);
if (NULL == req)
{
ret = DPL_ENOMEM;
goto end;
}
dpl_req_set_method(req, DPL_METHOD_GET);
ret2 = dpl_req_set_resource(req, resource);
if (DPL_SUCCESS != ret2)
{
ret = ret2;
goto end;
}
if (NULL != subresource)
{
ret2 = dpl_req_set_subresource(req, subresource);
if (DPL_SUCCESS != ret2)
{
ret = ret2;
goto end;
}
}
if (NULL != condition)
{
dpl_req_set_condition(req, condition);
}
if (range)
{
ret2 = dpl_req_add_range(req, range->start, range->end);
if (DPL_SUCCESS != ret2)
{
ret = ret2;
goto end;
}
}
if (option)
{
if (option->mask & DPL_OPTION_CONSISTENT)
req_mask |= DPL_SPROXYD_REQ_CONSISTENT;
}
dpl_req_set_object_type(req, object_type);
//build request
ret2 = dpl_sproxyd_req_build(req, req_mask, -1, &headers_request);
if (DPL_SUCCESS != ret2)
{
ret = ret2;
goto end;
}
//contact default host
dpl_req_rm_behavior(req, DPL_BEHAVIOR_VIRTUAL_HOSTING);
ret2 = dpl_try_connect(ctx, req, &conn);
if (DPL_SUCCESS != ret2)
{
ret = ret2;
goto end;
}
ret2 = dpl_add_host_to_headers(req, headers_request);
if (DPL_SUCCESS != ret2)
{
ret = ret2;
goto end;
}
ret2 = dpl_req_gen_http_request(ctx, req, headers_request, NULL, header, sizeof (header), &header_len);
if (DPL_SUCCESS != ret2)
{
ret = ret2;
goto end;
}
iov[n_iov].iov_base = header;
iov[n_iov].iov_len = header_len;
n_iov++;
//final crlf
iov[n_iov].iov_base = "\r\n";
iov[n_iov].iov_len = 2;
n_iov++;
ret2 = dpl_conn_writev_all(conn, iov, n_iov, conn->ctx->write_timeout);
if (DPL_SUCCESS != ret2)
{
DPL_TRACE(conn->ctx, DPL_TRACE_ERR, "writev failed");
connection_close = 1;
ret = ret2;
goto end;
}
if (option && option->mask & DPL_OPTION_NOALLOC)
{
data_buf = *data_bufp;
data_len = *data_lenp;
}
ret2 = dpl_read_http_reply_ext(conn, 1,
(option && option->mask & DPL_OPTION_NOALLOC) ? 1 : 0,
&data_buf, &data_len, &headers_reply, &connection_close);
if (DPL_SUCCESS != ret2)
{
ret = ret2;
goto end;
}
ret2 = dpl_sproxyd_get_metadata_from_headers(headers_reply, metadatap, sysmdp);
if (DPL_SUCCESS != ret2)
{
ret = ret2;
goto end;
}
if (NULL != data_bufp)
{
*data_bufp = data_buf;
data_buf = NULL; //consume it
}
if (NULL != data_lenp)
*data_lenp = data_len;
ret = DPL_SUCCESS;
end:
if ((option && !(option->mask & DPL_OPTION_NOALLOC)) && NULL != data_buf)
free(data_buf);
if (NULL != conn)
{
if (1 == connection_close)
dpl_conn_terminate(conn);
else
dpl_conn_release(conn);
}
if (NULL != headers_reply)
dpl_dict_free(headers_reply);
if (NULL != headers_request)
dpl_dict_free(headers_request);
if (NULL != req)
dpl_req_free(req);
DPL_TRACE(ctx, DPL_TRACE_BACKEND, "ret=%d", ret);
return ret;
}
dpl_status_t
dpl_s3_get(dpl_ctx_t *ctx,
const char *bucket,
const char *resource,
const char *subresource,
const dpl_option_t *option,
dpl_ftype_t object_type,
const dpl_condition_t *condition,
const dpl_range_t *range,
char **data_bufp,
unsigned int *data_lenp,
dpl_dict_t **metadatap,
dpl_sysmd_t *sysmdp,
char **locationp)
{
int ret, ret2;
dpl_conn_t *conn = NULL;
char header[dpl_header_size];
u_int header_len;
struct iovec iov[10];
int n_iov = 0;
int connection_close = 0;
char *data_buf = NULL;
u_int data_len;
dpl_dict_t *headers_request = NULL;
dpl_dict_t *headers_reply = NULL;
dpl_req_t *req = NULL;
dpl_s3_req_mask_t req_mask = 0u;
DPL_TRACE(ctx, DPL_TRACE_BACKEND, "");
req = dpl_req_new(ctx);
if (NULL == req)
{
ret = DPL_ENOMEM;
goto end;
}
dpl_req_set_method(req, DPL_METHOD_GET);
if (NULL == bucket)
{
ret = DPL_EINVAL;
goto end;
}
ret2 = dpl_req_set_bucket(req, bucket);
if (DPL_SUCCESS != ret2)
{
ret = ret2;
goto end;
}
ret2 = dpl_req_set_resource(req, resource);
if (DPL_SUCCESS != ret2)
{
ret = ret2;
goto end;
}
if (NULL != subresource)
{
ret2 = dpl_req_set_subresource(req, subresource);
if (DPL_SUCCESS != ret2)
{
ret = ret2;
goto end;
}
}
if (NULL != condition)
{
dpl_req_set_condition(req, condition);
}
if (range)
{
ret2 = dpl_req_add_range(req, range->start, range->end);
if (DPL_SUCCESS != ret2)
{
ret = ret2;
goto end;
}
}
//build request
ret2 = dpl_s3_req_build(req, req_mask, &headers_request);
if (DPL_SUCCESS != ret2)
{
ret = ret2;
goto end;
}
ret2 = dpl_try_connect(ctx, req, &conn);
if (DPL_SUCCESS != ret2)
{
ret = ret2;
goto end;
}
ret2 = dpl_add_host_to_headers(req, headers_request);
if (DPL_SUCCESS != ret2)
{
ret = ret2;
goto end;
}
ret2 = dpl_req_gen_http_request(ctx, req, headers_request, NULL, header, sizeof (header), &header_len);
if (DPL_SUCCESS != ret2)
{
ret = ret2;
goto end;
}
iov[n_iov].iov_base = header;
iov[n_iov].iov_len = header_len;
n_iov++;
//final crlf
iov[n_iov].iov_base = "\r\n";
iov[n_iov].iov_len = 2;
n_iov++;
ret2 = dpl_conn_writev_all(conn, iov, n_iov, conn->ctx->write_timeout);
if (DPL_SUCCESS != ret2)
{
DPL_TRACE(conn->ctx, DPL_TRACE_ERR, "writev failed");
connection_close = 1;
ret = ret2;
goto end;
}
ret2 = dpl_read_http_reply(conn, 1, &data_buf, &data_len, &headers_reply, &connection_close);
if (DPL_SUCCESS != ret2)
{
ret = ret2;
goto end;
}
ret2 = dpl_s3_get_metadata_from_headers(headers_reply, metadatap, sysmdp);
if (DPL_SUCCESS != ret2)
{
ret = ret2;
goto end;
}
if (NULL != data_bufp)
{
*data_bufp = data_buf;
data_buf = NULL; //consume it
}
if (NULL != data_lenp)
*data_lenp = data_len;
//dpl_dict_print(headers_reply);
ret = DPL_SUCCESS;
end:
if (NULL != data_buf)
free(data_buf);
if (NULL != conn)
{
if (1 == connection_close)
dpl_conn_terminate(conn);
else
dpl_conn_release(conn);
}
if (NULL != headers_reply)
dpl_dict_free(headers_reply);
if (NULL != headers_request)
dpl_dict_free(headers_request);
if (NULL != req)
dpl_req_free(req);
DPL_TRACE(ctx, DPL_TRACE_BACKEND, "ret=%d", ret);
return ret;
}
