c7852cf98d
Reallocate the send buffer if more data is written by the RPC handler than currently fits in the buffer. Change-Id: I590dd173b843aba48c768adfafaf87e4b47bcc19 Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com> Reviewed-on: https://review.gerrithub.io/399925 Reviewed-by: Jim Harris <james.r.harris@intel.com> Tested-by: SPDK Automated Test System <sys_sgsw@intel.com> Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
101 lines
3.5 KiB
C
101 lines
3.5 KiB
C
/*-
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* BSD LICENSE
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*
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* Copyright (c) Intel Corporation.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Intel Corporation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef SPDK_JSONRPC_INTERNAL_H_
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#define SPDK_JSONRPC_INTERNAL_H_
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#include "spdk/stdinc.h"
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#include "spdk/env.h"
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#include "spdk/jsonrpc.h"
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#include "spdk_internal/log.h"
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#define SPDK_JSONRPC_RECV_BUF_SIZE (32 * 1024)
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#define SPDK_JSONRPC_SEND_BUF_SIZE_INIT (32 * 1024)
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#define SPDK_JSONRPC_SEND_BUF_SIZE_MAX (32 * 1024 * 1024)
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#define SPDK_JSONRPC_ID_MAX_LEN 128
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#define SPDK_JSONRPC_MAX_CONNS 64
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#define SPDK_JSONRPC_MAX_VALUES 1024
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struct spdk_jsonrpc_request {
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struct spdk_jsonrpc_server_conn *conn;
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/* Copy of request id value */
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struct spdk_json_val id;
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uint8_t id_data[SPDK_JSONRPC_ID_MAX_LEN];
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/* Total space allocated for send_buf */
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size_t send_buf_size;
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/* Number of bytes used in send_buf (<= send_buf_size) */
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size_t send_len;
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size_t send_offset;
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uint8_t *send_buf;
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};
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struct spdk_jsonrpc_server_conn {
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struct spdk_jsonrpc_server *server;
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int sockfd;
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bool closed;
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struct spdk_json_val values[SPDK_JSONRPC_MAX_VALUES];
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size_t recv_len;
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uint8_t recv_buf[SPDK_JSONRPC_RECV_BUF_SIZE];
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uint32_t outstanding_requests;
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struct spdk_ring *send_queue;
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struct spdk_jsonrpc_request *send_request;
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};
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struct spdk_jsonrpc_server {
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int sockfd;
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spdk_jsonrpc_handle_request_fn handle_request;
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struct spdk_jsonrpc_server_conn conns[SPDK_JSONRPC_MAX_CONNS];
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int num_conns;
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};
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/* jsonrpc_server_tcp */
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void spdk_jsonrpc_server_handle_request(struct spdk_jsonrpc_request *request,
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const struct spdk_json_val *method,
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const struct spdk_json_val *params);
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void spdk_jsonrpc_server_handle_error(struct spdk_jsonrpc_request *request, int error);
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void spdk_jsonrpc_server_send_response(struct spdk_jsonrpc_server_conn *conn,
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struct spdk_jsonrpc_request *request);
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/* jsonrpc_server */
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int spdk_jsonrpc_parse_request(struct spdk_jsonrpc_server_conn *conn, void *json, size_t size);
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void spdk_jsonrpc_free_request(struct spdk_jsonrpc_request *request);
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#endif
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