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Diffstat (limited to '')
| -rw-r--r-- | istream.h | 155 |
1 files changed, 155 insertions, 0 deletions
diff --git a/istream.h b/istream.h new file mode 100644 index 0000000..a220d8b --- /dev/null +++ b/istream.h @@ -0,0 +1,155 @@ +/* $Id: istream.h,v 1.12 2003/10/20 16:41:56 ukai Exp $ */ +#ifndef IO_STREAM_H +#define IO_STREAM_H + +#include <stdio.h> +#ifdef USE_SSL +#include <openssl/bio.h> +#include <openssl/x509.h> +#include <openssl/ssl.h> +#endif +#include "Str.h" +#include <sys/types.h> +#include <sys/stat.h> +#include <fcntl.h> + +struct stream_buffer { + unsigned char *buf; + int size, cur, next; +}; + +typedef struct stream_buffer *StreamBuffer; + +struct file_handle { + FILE *f; + void (*close) (); +}; + +#ifdef USE_SSL +struct ssl_handle { + SSL *ssl; + int sock; +}; +#endif + +union input_stream; + +struct ens_handle { + union input_stream *is; + Str s; + int pos; + char encoding; +}; + + +struct base_stream { + struct stream_buffer stream; + void *handle; + char type; + char iseos; + int (*read) (); + void (*close) (); +}; + +struct file_stream { + struct stream_buffer stream; + struct file_handle *handle; + char type; + char iseos; + int (*read) (); + void (*close) (); +}; + +struct str_stream { + struct stream_buffer stream; + Str handle; + char type; + char iseos; + int (*read) (); + void (*close) (); +}; + +#ifdef USE_SSL +struct ssl_stream { + struct stream_buffer stream; + struct ssl_handle *handle; + char type; + char iseos; + int (*read) (); + void (*close) (); +}; +#endif /* USE_SSL */ + +struct encoded_stream { + struct stream_buffer stream; + struct ens_handle *handle; + char type; + char iseos; + int (*read) (); + void (*close) (); +}; + +union input_stream { + struct base_stream base; + struct file_stream file; + struct str_stream str; +#ifdef USE_SSL + struct ssl_stream ssl; +#endif /* USE_SSL */ + struct encoded_stream ens; +}; + +typedef struct base_stream *BaseStream; +typedef struct file_stream *FileStream; +typedef struct str_stream *StrStream; +#ifdef USE_SSL +typedef struct ssl_stream *SSLStream; +#endif /* USE_SSL */ +typedef struct encoded_stream *EncodedStrStream; + +typedef union input_stream *InputStream; + +extern InputStream newInputStream(int des); +extern InputStream newFileStream(FILE * f, void (*closep) ()); +extern InputStream newStrStream(Str s); +#ifdef USE_SSL +extern InputStream newSSLStream(SSL * ssl, int sock); +#endif +extern InputStream newEncodedStream(InputStream is, char encoding); +extern int ISclose(InputStream stream); +extern int ISgetc(InputStream stream); +extern int ISundogetc(InputStream stream); +extern Str StrISgets(InputStream stream); +extern Str StrmyISgets(InputStream stream); +extern int ISread(InputStream stream, Str buf, int count); +extern int ISfileno(InputStream stream); +extern int ISeos(InputStream stream); +#ifdef USE_SSL +extern void ssl_accept_this_site(char *hostname); +extern Str ssl_get_certificate(SSL * ssl, char *hostname); +#endif + +#define IST_BASIC 0 +#define IST_FILE 1 +#define IST_STR 2 +#define IST_SSL 3 +#define IST_ENCODED 4 +#define IST_UNCLOSE 0x10 + +#define IStype(stream) ((stream)->base.type) +#define is_eos(stream) ISeos(stream) +#define iseos(stream) ((stream)->base.iseos) +#define file_of(stream) ((stream)->file.handle->f) +#define set_close(stream,closep) ((IStype(stream)==IST_FILE)?((stream)->file.handle->close=(closep)):0) +#define str_of(stream) ((stream)->str.handle) +#ifdef USE_SSL +#define ssl_socket_of(stream) ((stream)->ssl.handle->sock) +#define ssl_of(stream) ((stream)->ssl.handle->ssl) +#endif + +#ifdef USE_BINMODE_STREAM +#define openIS(path) newInputStream(open((path),O_RDONLY|O_BINARY)) +#else +#define openIS(path) newInputStream(open((path),O_RDONLY)) +#endif /* USE_BINMODE_STREAM */ +#endif |