add some code

managed_components/78__esp-ml307/src/ml307/ml307_http.h

@@ -0,0 +1,72 @@
+#ifndef ML307_HTTP_TRANSPORT_H
+#define ML307_HTTP_TRANSPORT_H
+
+#include "at_uart.h"
+#include "http.h"
+#include <freertos/FreeRTOS.h>
+#include <freertos/event_groups.h>
+
+#include <map>
+#include <string>
+#include <functional>
+#include <mutex>
+#include <condition_variable>
+#include <optional>
+
+#define ML307_HTTP_EVENT_INITIALIZED (1 << 0)
+#define ML307_HTTP_EVENT_ERROR (1 << 2)
+#define ML307_HTTP_EVENT_HEADERS_RECEIVED (1 << 3)
+#define ML307_HTTP_EVENT_IND (1 << 4)
+
+class Ml307Http : public Http {
+public:
+    Ml307Http(std::shared_ptr<AtUart> at_uart);
+    ~Ml307Http();
+
+    void SetTimeout(int timeout_ms) override;
+    void SetHeader(const std::string& key, const std::string& value) override;
+    void SetContent(std::string&& content) override;
+    bool Open(const std::string& method, const std::string& url) override;
+    void Close() override;
+    int Read(char* buffer, size_t buffer_size) override;
+    int Write(const char* buffer, size_t buffer_size) override;
+
+    int GetStatusCode() override;
+    std::string GetResponseHeader(const std::string& key) const override;
+    size_t GetBodyLength() override;
+    std::string ReadAll() override;
+
+private:
+    std::shared_ptr<AtUart> at_uart_;
+    EventGroupHandle_t event_group_handle_;
+    std::mutex mutex_;
+    std::condition_variable cv_;
+
+    int http_id_ = -1;
+    int status_code_ = -1;
+    int error_code_ = -1;
+    int timeout_ms_ = 30000;
+    std::string rx_buffer_;
+    std::list<UrcCallback>::iterator urc_callback_it_;
+    std::map<std::string, std::string> headers_;
+    std::string url_;
+    std::string method_;
+    std::string protocol_;
+    std::string host_;
+    std::string path_;
+    std::optional<std::string> content_ = std::nullopt;
+    std::map<std::string, std::string> response_headers_;
+    std::string body_;
+    size_t body_offset_ = 0;
+    size_t content_length_ = 0;
+    bool eof_ = false;
+    bool instance_active_ = false;
+    bool request_chunked_ = false;
+    bool response_chunked_ = false;
+
+    bool FetchHeaders();
+    void ParseResponseHeaders(const std::string& headers);
+    std::string ErrorCodeToString(int error_code);
+};
+
+#endif