body_reader_multipart.h

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#ifndef KEEL_BODY_READER_MULTIPART_H
#define KEEL_BODY_READER_MULTIPART_H
 
#include <keel/body_reader.h>
#include <keel/request.h>
#include <stddef.h>
 
#define KL_MP_MAX_BOUNDARY 70
 
typedef enum {
    KL_MP_EVT_PART_BEGIN = 1,
    KL_MP_EVT_PART_DATA,
    KL_MP_EVT_PART_END,
    KL_MP_EVT_DONE,
    KL_MP_EVT_NEED_DATA,
    KL_MP_EVT_ERROR
} KlMultipartEvent;
 
typedef enum {
    KL_MP_ERR_NONE = 0,
    KL_MP_ERR_MALFORMED,         
    KL_MP_ERR_PART_TOO_LARGE,    
    KL_MP_ERR_TOTAL_TOO_LARGE,   
    KL_MP_ERR_TOO_MANY_PARTS,    
    KL_MP_ERR_HEADERS_TOO_LARGE, 
    KL_MP_ERR_INPUT_OVERFLOW,    
    KL_MP_ERR_PREMATURE_EOF,     
    KL_MP_ERR_NOMEM              
} KlMultipartErrorCode;
 
typedef struct {
    const char *name;
    size_t      name_len;
    const char *filename;        
    size_t      filename_len;
    const char *content_type;    
    size_t      content_type_len;
} KlMultipartPartMeta;
 
typedef struct {
    size_t max_part_size;     
    size_t max_total_size;    
    int    max_parts;         
    size_t max_headers_size;  
    size_t max_input_buffer;  
} KlMultipartConfig;
 
typedef struct KlMultipartReader KlMultipartReader;
 
KlBodyReader *kl_body_reader_multipart(KlAllocator *alloc, const KlRequest *req,
                                        void *user_data);
 
KlMultipartEvent kl_multipart_next(KlBodyReader *br,
                                    KlMultipartPartMeta *meta,
                                    const char **data,
                                    size_t *data_len);
 
KlMultipartErrorCode kl_multipart_last_error(const KlBodyReader *br);
 
#endif