paa-http-client.h

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/*****************************************************
 * Copyright (C) 2015 Ping Identity Corporation
 * All rights reserved.
 *
 * The contents of this file are the property of Ping Identity Corporation.
 * You may not copy or use this file, in either source code or executable
 * form, except in compliance with terms set by Ping Identity Corporation.
 * For further information please contact:
 *
 * Ping Identity Corporation
 * 1001 17th St Suite 100
 * Denver, CO 80202
 * 303.468.2900
 * http://www.pingidentity.com
 *
 ****************************************************/

#ifndef _PAA_SDK_HTTP_CLIENT_H_
#define _PAA_SDK_HTTP_CLIENT_H_ 1

#include <stdlib.h>

#include "apr.h"
#include "apr_pools.h"

#include "paa-http-server-facade.h"
#include "paa-util.h"

#define APR_PAA_HTTP_ERROR (APR_PAA_HTTP_START + 0)

#ifdef __cplusplus
extern "C" {
#endif

typedef struct paa_http_request_struct paa_http_request;

struct paa_http_request_struct
{
    void *impl;

    apr_status_t (*add_request_header)(const paa_http_request *req,
                                       const char *name,
                                       const char *value);

    apr_status_t (*set_request_uri)(const paa_http_request *req,
                                    const char *uri);

    apr_status_t (*set_request_method)(const paa_http_request *req,
                                       const char *method);

    apr_status_t (*set_include_client_request_body)(const paa_http_request *req,
                                                    int include_body);
};

typedef void (*paa_resp_status_cb)(unsigned int status,
                                   const char *reason,
                                   void *userdata);

typedef void (*paa_resp_header_cb)(const char *name,
                                   const char *value,
                                   void *userdata);

typedef size_t (*paa_resp_body_cb)(const unsigned char *src,
                                   size_t size,
                                   void *userdata);

typedef struct paa_http_response_struct paa_http_response;

struct paa_http_response_struct
{
    void *impl;

    apr_status_t (*process_status)(const paa_http_response *response,
                                   paa_resp_status_cb cb,
                                   void *userdata);

    apr_status_t (*process_headers)(const paa_http_response *response,
                                    paa_resp_header_cb cb,
                                    void *userdata);

    apr_status_t (*remove_header)(const paa_http_response *response,
                                  const char *name);

    apr_status_t (*register_body_callback)(const paa_http_response *response,
                                           paa_resp_body_cb cb,
                                           void *userdata);
};

typedef struct paa_http_context_struct paa_http_context;

struct paa_http_context_struct
{
    void *impl;

    apr_status_t (*create_request_handle)(const paa_http_context *context,
                                          const paa_http_request **request);

    void (*set_resp_pool)(const paa_http_context *context,
                          apr_pool_t *resp_pool);

    void (*set_resp_status_cb)(const paa_http_context *context,
                               paa_resp_status_cb cb);

    void (*set_resp_header_cb)(const paa_http_context *context,
                               paa_resp_header_cb cb);

    void (*set_resp_body_cb)(const paa_http_context *context,
                             paa_resp_body_cb cb);

    void (*set_resp_userdata)(const paa_http_context *context,
                              void *userdata);

    apr_status_t (*send_request)(const paa_http_context *context,
                                 const paa_client_request *client_request);
};

typedef struct paa_http_client_struct paa_http_client;

struct paa_http_client_struct
{
    void *impl;

    apr_status_t (*create_context)(const paa_http_client *client,
                                   apr_pool_t *pool,
                                   const paa_http_context **context);
};

#ifdef __cplusplus
} /* C */
#endif

#endif /* _PAA_SDK_HTTP_CLIENT_H_ */