backend.h - mozsearch

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/* This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#ifndef VIADUCT_NECKO_H

#define VIADUCT_NECKO_H

#include <stdint.h>

#include <stddef.h>

#ifdef __cplusplus

extern "C" {

#endif

// HTTP Method enumeration (must match Rust side)

enum ViaductMethod : uint8_t {

  VIADUCT_METHOD_GET = 0,

  VIADUCT_METHOD_HEAD = 1,

  VIADUCT_METHOD_POST = 2,

  VIADUCT_METHOD_PUT = 3,

  VIADUCT_METHOD_DELETE = 4,

  VIADUCT_METHOD_CONNECT = 5,

  VIADUCT_METHOD_OPTIONS = 6,

  VIADUCT_METHOD_TRACE = 7,

  VIADUCT_METHOD_PATCH = 8,

};

// Header structure

struct ViaductHeader {

  const char* key;

  const char* value;

};

// Request structure

struct ViaductRequest {

  uint32_t timeout;

  uint32_t redirect_limit;

  ViaductMethod method;

  const char* url;

  const ViaductHeader* headers;

  size_t header_count;

  const uint8_t* body;  // Body remains uint8_t* since it's binary data

  size_t body_len;

};

// Opaque result pointer (points to Rust FfiResult)

struct ViaductResult;

// Functions that C++ must implement

void viaduct_necko_backend_init();

void viaduct_necko_backend_send_request(const ViaductRequest* request,

                                        ViaductResult* result);

// Functions that Rust provides for C++ to call

void viaduct_necko_result_set_url(ViaductResult* result, const char* url,

                                  size_t length);

void viaduct_necko_result_set_status_code(ViaductResult* result, uint16_t code);

void viaduct_necko_result_add_header(ViaductResult* result, const char* key,

                                     size_t key_length, const char* value,

                                     size_t value_length);

void viaduct_necko_result_extend_body(ViaductResult* result,

                                      const uint8_t* data, size_t length);

void viaduct_necko_result_complete(ViaductResult* result);

void viaduct_necko_result_complete_error(ViaductResult* result,

                                         uint32_t error_code,

                                         const char* message);

#ifdef __cplusplus

#endif

#endif  // VIADUCT_NECKO_H