56 lines
1.7 KiB
C++
56 lines
1.7 KiB
C++
#pragma once
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#include <memory>
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#include "esp_http_client.h"
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#include "network/wifi_handler.h"
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// forward declare NetworkHandler to avoid circular include with network.h
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class NetworkHandler;
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// default config values for esp_http_client_config_t
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// disable Wmissing-field-initializers warning for these structs
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#pragma GCC diagnostic push
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#pragma GCC diagnostic ignored "-Wmissing-field-initializers"
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static const inline esp_http_client_config_t DEFAULT_HTTP_CLIENT_CONFIG = {
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.timeout_ms = 10000,
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};
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static const inline esp_http_client_config_t DEFAULT_HTTP_CLIENT_CONFIG_HTTPS = {
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.transport_type = HTTP_TRANSPORT_OVER_SSL,
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//
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.use_global_ca_store = true,
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.skip_cert_common_name_check = false,
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};
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#pragma GCC diagnostic pop
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// esp http client wrapper with automatic initialization and cleanup
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class HttpHandler {
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public:
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~HttpHandler();
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esp_err_t set_method(esp_http_client_method_t method);
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esp_err_t set_header(const char* header, const char* value);
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esp_err_t set_post_field(const char* field, size_t len);
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//
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esp_err_t perform_request();
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// buffer is allocated inside the method, caller must free it
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void get_body(
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char*& buffer,
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int& total_len
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);
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// only NetworkHandler can create HttpHandler instances
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friend class NetworkHandler;
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// disable copy constructor and assignment operator
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HttpHandler(const HttpHandler&) = delete;
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HttpHandler& operator=(const HttpHandler&) = delete;
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private:
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// private constructor, only NetworkHandler can create instances
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HttpHandler(const esp_http_client_config_t&& config, WifiHandler* wifiHandler);
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esp_http_client_handle_t client;
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// backreference to WifiHandler to ensure WiFi is connected, DO NOT DELETE
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WifiHandler* wifiHandler;
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};
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