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fengzero
bb4ebdd75e
use different server process api and web rename tags field merge json read/write
128 lines
3.4 KiB
C
128 lines
3.4 KiB
C
/**
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* NEURON IIoT System for Industry 4.0
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* Copyright (C) 2020-2021 EMQ Technologies Co., Ltd All rights reserved.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 3 of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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**/
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#include <stdio.h>
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#include <string.h>
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#include <nng/nng.h>
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#include <nng/supplemental/http/http.h>
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#include "http.h"
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static int response(nng_aio *aio, char *content, enum nng_http_status status)
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{
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nng_http_res *res = NULL;
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nng_http_res_alloc(&res);
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nng_http_res_set_header(res, "Content-Type", "application/json");
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if (content != NULL && strlen(content) > 0) {
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nng_http_res_copy_data(res, content, strlen(content));
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}
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nng_http_res_set_status(res, status);
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nng_aio_set_output(aio, 0, res);
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nng_aio_finish(aio, 0);
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return 0;
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}
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int http_get_body(nng_aio *aio, void **data, size_t *data_size)
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{
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nng_http_req *req = nng_aio_get_input(aio, 0);
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nng_http_req_get_data(req, data, data_size);
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if (*data_size <= 0) {
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return -1;
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} else {
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return 0;
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}
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}
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static char *get_param(const char *url, const char *name)
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{
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char param[32] = { 0 };
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static char s_value[64] = { 0 };
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int len = snprintf(param, sizeof(param), "%s=", name);
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const char *find = strstr(url, param);
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if (find == NULL) {
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return NULL;
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}
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for (uint8_t i = 0; i < 64 && i < strlen(find); i++) {
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if (*(find + len + i) == '&' || *(find + len + i) == '\0') {
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break;
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}
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s_value[i] = *(find + len + i);
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}
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return s_value;
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}
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char *http_get_param(nng_aio *aio, const char *name)
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{
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nng_url * nn_url = NULL;
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char parse_url[256] = { 0 };
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nng_http_req *nng_req = nng_aio_get_input(aio, 0);
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int ret = -1;
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snprintf(parse_url, sizeof(parse_url), "http://127.0.0.1:7000/%s",
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nng_http_req_get_uri(nng_req));
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ret = nng_url_parse(&nn_url, parse_url);
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if (ret != 0 || nn_url->u_query == NULL) {
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return NULL;
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}
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return get_param(nn_url->u_query, name);
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}
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int http_ok(nng_aio *aio, char *content)
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{
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return response(aio, content, NNG_HTTP_STATUS_OK);
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}
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int http_created(nng_aio *aio, char *content)
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{
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return response(aio, content, NNG_HTTP_STATUS_CREATED);
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}
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int http_bad_request(nng_aio *aio, char *content)
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{
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return response(aio, content, NNG_HTTP_STATUS_BAD_GATEWAY);
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}
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int http_unauthorized(nng_aio *aio, char *content)
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{
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return response(aio, content, NNG_HTTP_STATUS_UNAUTHORIZED);
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}
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int http_not_found(nng_aio *aio, char *content)
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{
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return response(aio, content, NNG_HTTP_STATUS_NOT_FOUND);
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}
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int http_conflict(nng_aio *aio, char *content)
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{
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return response(aio, content, NNG_HTTP_STATUS_CONFLICT);
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}
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