transport.h File Reference

#include <rz_types.h>
#include <stdint.h>
#include <stdio.h>

Go to the source code of this file.

Classes
struct	io_backend_t
struct	io_desc_t

Macros
#define	eprintf(...)    { fprintf(stderr, ##__VA_ARGS__); }
#define	HAVE_EPRINTF   1
#define	KD_IO_PIPE   0
#define	KD_IO_NET   1

Typedefs
typedef struct io_backend_t	io_backend_t
typedef struct io_desc_t	io_desc_t

Enumerations
enum	{ E_OK = 0 , E_TIMEOUT = -1 , E_ERROR = -2 , E_NOIF = -3 }

Functions
io_desc_t *	io_desc_new (io_backend_t *iob, void *fp)
int	iob_write (io_desc_t *desc, const uint8_t *buf, const uint32_t buf_len)
int	iob_read (io_desc_t *desc, uint8_t *buf, const uint32_t buf_len)

Variables
io_backend_t	iob_pipe
io_backend_t	iob_net

Macro Definition Documentation

eprintf

#define eprintf

(

...

)

{ fprintf(stderr, ##__VA_ARGS__); }

Definition at line 12 of file transport.h.

HAVE_EPRINTF

#define HAVE_EPRINTF   1

Definition at line 14 of file transport.h.

KD_IO_NET

#define KD_IO_NET   1

Definition at line 18 of file transport.h.

KD_IO_PIPE

#define KD_IO_PIPE   0

Definition at line 17 of file transport.h.

Typedef Documentation

io_backend_t

typedef struct io_backend_t io_backend_t

io_desc_t

typedef struct io_desc_t io_desc_t

Enumeration Type Documentation

anonymous enum

anonymous enum

Enumerator
E_OK
E_TIMEOUT
E_ERROR
E_NOIF

Definition at line 20 of file transport.h.

     {
    E_OK = 0,
    E_TIMEOUT = -1,
    E_ERROR = -2,
    E_NOIF = -3,
};

Function Documentation

io_desc_new()

io_desc_t* io_desc_new	(	io_backend_t *	iob,
		void *	fp
	)

Definition at line 7 of file transport.c.

                                                    {
    io_desc_t *desc = RZ_NEW0(io_desc_t);
    if (desc) {
        desc->iob = iob;
        desc->fp = fp;
    }
    return desc;
}

References desc, and RZ_NEW0.

Referenced by __open().

iob_read()

int iob_read	(	io_desc_t *	desc,
		uint8_t *	buf,
		const uint32_t	buf_len
	)

Definition at line 37 of file transport.c.

                                                                    {
    uint32_t done;
    static RzThreadLock *lock = NULL;
    if (!lock) {
        lock = rz_th_lock_new(true);
    }
    if (!desc || !desc->iob || !desc->fp) {
        return E_NOIF;
    }
    rz_th_lock_enter(lock);
    for (done = 0; done < buf_len;) {
        int ret = desc->iob->read(desc->fp, buf + done, buf_len - done, 100);
        if (ret < 0) {
            break;
        }
        done += ret;
    }
    rz_th_lock_leave(lock);
    return done;
}

References buf_len, desc, done, E_NOIF, lock(), NULL, rz_th_lock_enter(), rz_th_lock_leave(), and rz_th_lock_new().

Referenced by kd_read_packet().

iob_write()

int iob_write	(	io_desc_t *	desc,
		const uint8_t *	buf,
		const uint32_t	buf_len
	)

Definition at line 16 of file transport.c.

                                                                           {
    uint32_t done;
    static RzThreadLock *lock = NULL;
    if (!lock) {
        lock = rz_th_lock_new(true);
    }
    if (!desc || !desc->iob || !desc->fp) {
        return E_NOIF;
    }
    rz_th_lock_enter(lock);
    for (done = 0; done < buf_len;) {
        int ret = desc->iob->write(desc->fp, buf + done, buf_len - done, 100);
        if (ret < 1) {
            break;
        }
        done += ret;
    }
    rz_th_lock_leave(lock);
    return done;
}

References buf_len, desc, done, E_NOIF, lock(), NULL, rz_th_lock_enter(), rz_th_lock_leave(), and rz_th_lock_new().

Referenced by kd_send_ctrl_packet(), kd_send_data_packet(), winkd_break(), and winkd_sync().

Variable Documentation

iob_net

io_backend_t iob_net

extern

Definition at line 564 of file iob_net.c.

Referenced by __open().

iob_pipe

io_backend_t iob_pipe

extern

Definition at line 130 of file iob_pipe.c.

Referenced by __open().