GNUnet  0.11.x
Data Structures | Macros | Typedefs | Functions
gnunet_bio_lib.h File Reference
#include "gnunet_container_lib.h"
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Data Structures

struct  GNUNET_BIO_ReadSpec
 Structure specifying a reading operation on an IO handle. More...
 
struct  GNUNET_BIO_WriteSpec
 Structure specifying a writing operation on an IO handle. More...
 

Macros

#define GNUNET_BIO_read_spec_end()   { NULL, NULL, NULL, NULL, 0 }
 End of specifications marker. More...
 
#define GNUNET_BIO_write_spec_end()   { NULL, NULL, NULL, NULL, 0 }
 End of specifications marker. More...
 

Typedefs

typedef int(* GNUNET_BIO_ReadHandler) (void *cls, struct GNUNET_BIO_ReadHandle *h, const char *what, void *target, size_t target_size)
 Function used to deserialize data read from h and store it into target. More...
 
typedef int(* GNUNET_BIO_WriteHandler) (void *cls, struct GNUNET_BIO_WriteHandle *h, const char *what, void *source, size_t source_size)
 Function used to serialize data from a buffer and write it to h. More...
 

Functions

struct GNUNET_BIO_ReadHandleGNUNET_BIO_read_open_file (const char *fn)
 Open a file for reading. More...
 
struct GNUNET_BIO_ReadHandleGNUNET_BIO_read_open_buffer (void *buffer, size_t size)
 Create a handle from an existing allocated buffer. More...
 
int GNUNET_BIO_read_close (struct GNUNET_BIO_ReadHandle *h, char **emsg)
 Close an open handle. More...
 
int GNUNET_BIO_read (struct GNUNET_BIO_ReadHandle *h, const char *what, void *result, size_t len)
 Read some contents into a buffer. More...
 
int GNUNET_BIO_read_string (struct GNUNET_BIO_ReadHandle *h, const char *what, char **result, size_t max_length)
 Read 0-terminated string. More...
 
int GNUNET_BIO_read_meta_data (struct GNUNET_BIO_ReadHandle *h, const char *what, struct GNUNET_CONTAINER_MetaData **result)
 Read a metadata container. More...
 
int GNUNET_BIO_read_float (struct GNUNET_BIO_ReadHandle *h, const char *what, float *f)
 Read a float. More...
 
int GNUNET_BIO_read_double (struct GNUNET_BIO_ReadHandle *h, const char *what, double *f)
 Read a double. More...
 
int GNUNET_BIO_read_int32 (struct GNUNET_BIO_ReadHandle *h, const char *what, int32_t *i)
 Read an (u)int32_t. More...
 
int GNUNET_BIO_read_int64 (struct GNUNET_BIO_ReadHandle *h, const char *what, int64_t *i)
 Read an (u)int64_t. More...
 
struct GNUNET_BIO_WriteHandleGNUNET_BIO_write_open_file (const char *fn)
 Open a file for writing. More...
 
struct GNUNET_BIO_WriteHandleGNUNET_BIO_write_open_buffer (void)
 Create a handle backed by an in-memory buffer. More...
 
int GNUNET_BIO_flush (struct GNUNET_BIO_WriteHandle *h)
 Force a file-based buffered writer to flush its buffer. More...
 
int GNUNET_BIO_get_buffer_contents (struct GNUNET_BIO_WriteHandle *h, char **emsg, void **contents, size_t *size)
 Get the IO handle's contents. More...
 
int GNUNET_BIO_write_close (struct GNUNET_BIO_WriteHandle *h, char **emsg)
 Close an IO handle. More...
 
int GNUNET_BIO_write (struct GNUNET_BIO_WriteHandle *h, const char *what, const void *buffer, size_t n)
 Write a buffer to a handle. More...
 
int GNUNET_BIO_write_string (struct GNUNET_BIO_WriteHandle *h, const char *what, const char *s)
 Write a 0-terminated string. More...
 
int GNUNET_BIO_write_meta_data (struct GNUNET_BIO_WriteHandle *h, const char *what, const struct GNUNET_CONTAINER_MetaData *m)
 Write a metadata container. More...
 
int GNUNET_BIO_write_float (struct GNUNET_BIO_WriteHandle *h, const char *what, float f)
 Write a float. More...
 
int GNUNET_BIO_write_double (struct GNUNET_BIO_WriteHandle *h, const char *what, double f)
 Write a double. More...
 
int GNUNET_BIO_write_int32 (struct GNUNET_BIO_WriteHandle *h, const char *what, int32_t i)
 Write an (u)int32_t. More...
 
int GNUNET_BIO_write_int64 (struct GNUNET_BIO_WriteHandle *h, const char *what, int64_t i)
 Write an (u)int64_t. More...
 
struct GNUNET_BIO_ReadSpec GNUNET_BIO_read_spec_object (const char *what, void *result, size_t size)
 Create the specification to read a certain amount of bytes. More...
 
struct GNUNET_BIO_ReadSpec GNUNET_BIO_read_spec_string (const char *what, char **result, size_t max_length)
 Create the specification to read a 0-terminated string. More...
 
struct GNUNET_BIO_ReadSpec GNUNET_BIO_read_spec_meta_data (const char *what, struct GNUNET_CONTAINER_MetaData **result)
 Create the specification to read a metadata container. More...
 
struct GNUNET_BIO_ReadSpec GNUNET_BIO_read_spec_int32 (const char *what, int32_t *i)
 Create the specification to read an (u)int32_t. More...
 
struct GNUNET_BIO_ReadSpec GNUNET_BIO_read_spec_int64 (const char *what, int64_t *i)
 Create the specification to read an (u)int64_t. More...
 
struct GNUNET_BIO_ReadSpec GNUNET_BIO_read_spec_float (const char *what, float *f)
 Create the specification to read a float. More...
 
struct GNUNET_BIO_ReadSpec GNUNET_BIO_read_spec_double (const char *what, double *f)
 Create the specification to read a double. More...
 
int GNUNET_BIO_read_spec_commit (struct GNUNET_BIO_ReadHandle *h, struct GNUNET_BIO_ReadSpec *rs)
 Execute the read specifications in order. More...
 
struct GNUNET_BIO_WriteSpec GNUNET_BIO_write_spec_object (const char *what, void *source, size_t size)
 Create the specification to read some bytes. More...
 
struct GNUNET_BIO_WriteSpec GNUNET_BIO_write_spec_string (const char *what, const char *s)
 Create the specification to write a 0-terminated string. More...
 
struct GNUNET_BIO_WriteSpec GNUNET_BIO_write_spec_meta_data (const char *what, const struct GNUNET_CONTAINER_MetaData *m)
 Create the specification to write a metadata container. More...
 
struct GNUNET_BIO_WriteSpec GNUNET_BIO_write_spec_int32 (const char *what, int32_t *i)
 Create the specification to write an (u)int32_t. More...
 
struct GNUNET_BIO_WriteSpec GNUNET_BIO_write_spec_int64 (const char *what, int64_t *i)
 Create the specification to write an (u)int64_t. More...
 
struct GNUNET_BIO_WriteSpec GNUNET_BIO_write_spec_float (const char *what, float *f)
 Create the specification to write a float. More...
 
struct GNUNET_BIO_WriteSpec GNUNET_BIO_write_spec_double (const char *what, double *f)
 Create the specification to write an double. More...
 
int GNUNET_BIO_write_spec_commit (struct GNUNET_BIO_WriteHandle *h, struct GNUNET_BIO_WriteSpec *ws)
 Execute the write specifications in order. More...
 

Detailed Description

Author
Christian Grothoff

Buffered IO library

Definition in file gnunet_bio_lib.h.