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eeff
eb25ff64c1
Previously the function get_param used a static variable to store parsed data which is not re-entrant, and thus cause bugs. 1. fix get_param and http_get_param to return pointer and len 2. Remove http_get_param_int 3. Add http_get_param_uintmax 4. Add http_get_param_uint32 5. add http_get_param_node_id 6. add http_get_param_node_type
77 lines
2.8 KiB
C
77 lines
2.8 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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#ifndef _NEU_PLUGIN_HTTP_H_
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#define _NEU_PLUGIN_HTTP_H_
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#include <nng/nng.h>
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#include "neu_adapter.h"
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#include "neu_errcodes.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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int http_get_body(nng_aio *aio, void **data, size_t *data_size);
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// Find query parameter value of the given name.
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//
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// On failure, returns NULL.
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// On success, returns an alias pointer to the value following name in the url,
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// if `len_p` is not NULL, then stores the length of the value in `*len_p`.
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//
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// Example
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// -------
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// 1. http_get_param("/?key=val", "key", &len) will return a pointer to "val"
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// and store 3 in len.
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// 2. http_get_param("/?key&foo", "key", &len) will return a pointer to "&foo"
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// and store 0 in len.
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// 3. http_get_param("/?foo=bar", "key", &len) will return NULL and will not
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// touch len.
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const char *http_get_param(nng_aio *aio, const char *name, size_t *len);
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// Returns 0 on success.
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// On failure returns
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// NEU_ERR_ENOENT if no query parameter named `name`.
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// NEU_ERR_EINVAL if the query parameter value is not valid.
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int http_get_param_uintmax(nng_aio *aio, const char *name, uintmax_t *param);
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int http_get_param_uint32(nng_aio *aio, const char *name, uint32_t *param);
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int http_get_param_node_type(nng_aio *aio, const char *name,
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neu_node_type_e *param);
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int http_get_param_node_id(nng_aio *aio, const char *name,
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neu_node_id_t *param);
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int http_response(nng_aio *aio, neu_err_code_e code, char *content);
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const char *http_get_header(nng_aio *aio, char *name);
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int http_ok(nng_aio *aio, char *content);
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int http_created(nng_aio *aio, char *content);
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int http_partial(nng_aio *aio, char *content);
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int http_bad_request(nng_aio *aio, char *content);
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int http_unauthorized(nng_aio *aio, char *content);
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int http_not_found(nng_aio *aio, char *content);
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int http_conflict(nng_aio *aio, char *content);
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int http_internal_error(nng_aio *aio, char *content);
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#ifdef __cplusplus
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}
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#endif
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#endif
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