dpip.h

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/*
 * Library for dealing with dpip tags (dillo plugin protocol tags).
 */
 
#ifndef __DPIP_H__
#define __DPIP_H__
 
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
 
#include "../dlib/dlib.h"
 
/*
 * Communication mode flags
 */
#define   DPIP_TAG        1   
#define   DPIP_LAST_TAG   2   
#define   DPIP_RAW        4   
#define   DPIP_NONBLOCK   8   
typedef enum {
   DPIP_EAGAIN,
   DPIP_ERROR,
   DPIP_EOF
} DpipDshStatus;
 
typedef struct {
   int fd_in;
   int fd_out;
   /* FILE *in;    --Unused. The stream functions block when reading. */
   FILE *out;
 
   Dstr *wrbuf;    
   Dstr *rdbuf;    
   int flush_sz;   
   int mode;       
   int status;     
} Dsh;
 
 
char *a_Dpip_build_cmd(const char *format, ...);
 
char *a_Dpip_get_attr(const char *tag, const char *attrname);
char *a_Dpip_get_attr_l(const char *tag, size_t tagsize, const char *attrname);
 
int a_Dpip_check_auth(const char *auth);
 
/*
 * Dpip socket API
 */
Dsh *a_Dpip_dsh_new(int fd_in, int fd_out, int flush_sz);
int a_Dpip_dsh_write(Dsh *dsh, int flush, const char *Data, int DataSize);
int a_Dpip_dsh_write_str(Dsh *dsh, int flush, const char *str);
int a_Dpip_dsh_tryflush(Dsh *dsh);
int a_Dpip_dsh_trywrite(Dsh *dsh, const char *Data, int DataSize);
char *a_Dpip_dsh_read_token(Dsh *dsh, int blocking);
char *a_Dpip_dsh_read_token2(Dsh *dsh, int blocking, int *DataSize);
void a_Dpip_dsh_close(Dsh *dsh);
void a_Dpip_dsh_free(Dsh *dsh);
 
#define a_Dpip_dsh_printf(sh, flush, ...)                   \
   D_STMT_START {                                           \
      Dstr *dstr = dStr_sized_new(128);                     \
      dStr_sprintf(dstr, __VA_ARGS__);                      \
      a_Dpip_dsh_write(sh, flush, dstr->str, dstr->len);    \
      dStr_free(dstr, 1);                                   \
   } D_STMT_END
 
#ifdef __cplusplus
}
#endif /* __cplusplus */
 
#endif /* __DPIP_H__ */