759b90a5e1
This will be useful if a webserver is already running and the application does not want protocomm to start a new instance. Signed-off-by: Piyush Shah <piyush@espressif.com>
95 lines
3.3 KiB
C
95 lines
3.3 KiB
C
// Copyright 2018 Espressif Systems (Shanghai) PTE LTD
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#pragma once
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#include <protocomm.h>
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#define PROTOCOMM_HTTPD_DEFAULT_CONFIG() { \
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.port = 80, \
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.stack_size = 4096, \
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.task_priority = tskIDLE_PRIORITY + 5, \
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}
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/** Protocomm HTTP Server Configuration */
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typedef struct {
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uint16_t port; /*!< Port on which the http server will listen */
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/**
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* Stack size of server task, adjusted depending
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* upon stack usage of endpoint handler
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*/
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size_t stack_size;
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unsigned task_priority; /*!< Priority of server task */
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} protocomm_http_server_config_t; /*!< HTTP Server Configuration, if HTTP Server has not been started already */
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/** Protocomm HTTPD Configuration Data */
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typedef union {
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/** HTTP Server Handle, if ext_handle_provided is set to true */
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void *handle;
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/** HTTP Server Configuration, if a server is not already active */
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protocomm_http_server_config_t config;
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} protocomm_httpd_config_data_t;
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/**
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* @brief Config parameters for protocomm HTTP server
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*/
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typedef struct {
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/** Flag to indicate of an external HTTP Server Handle has been provided.
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* In such as case, protocomm will use the same HTTP Server and not start
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* a new one internally.
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*/
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bool ext_handle_provided;
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/** Protocomm HTTPD Configuration Data */
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protocomm_httpd_config_data_t data;
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} protocomm_httpd_config_t;
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/**
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* @brief Start HTTPD protocomm transport
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*
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* This API internally creates a framework to allow endpoint registration and security
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* configuration for the protocomm.
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*
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* @note This is a singleton. ie. Protocomm can have multiple instances, but only
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* one instance can be bound to an HTTP transport layer.
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*
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* @param[in] pc Protocomm instance pointer obtained from protocomm_new()
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* @param[in] config Pointer to config structure for initialising HTTP server
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*
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* @return
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* - ESP_OK : Server started succefully
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* - ESP_ERR_INVALID_ARG : Null arguments
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* - ESP_ERR_NOT_SUPPORTED : Transport layer bound to another protocomm instance
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* - ESP_ERR_INVALID_STATE : Transport layer already bound to this protocomm instance
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* - ESP_ERR_NO_MEM : Memory allocation for server resource failed
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* - ESP_ERR_HTTPD_* : HTTP server error on start
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*/
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esp_err_t protocomm_httpd_start(protocomm_t *pc, const protocomm_httpd_config_t *config);
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/**
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* @brief Stop HTTPD protocomm transport
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*
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* This API cleans up the HTTPD transport protocomm and frees all the handlers registered
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* with the protocomm.
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*
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* @param[in] pc Same protocomm instance that was passed to protocomm_httpd_start()
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*
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* @return
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* - ESP_OK : Server stopped succefully
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* - ESP_ERR_INVALID_ARG : Null / incorrect protocomm instance pointer
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*/
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esp_err_t protocomm_httpd_stop(protocomm_t *pc);
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