* All rights reserved.
*/
-#ifndef _ATALK_DSI_H
+#ifndef _ATALK_DSI_H
#define _ATALK_DSI_H
#include <sys/types.h>
#include <atalk/globals.h>
/* What a DSI packet looks like:
- 0 32
- |-------------------------------|
- |flags |command| requestID |
- |-------------------------------|
- |error code/enclosed data offset|
- |-------------------------------|
- |total data length |
- |-------------------------------|
- |reserved field |
- |-------------------------------|
-
- CONVENTION: anything with a dsi_ prefix is kept in network byte order.
+ 0 32
+ |-------------------------------|
+ |flags |command| requestID |
+ |-------------------------------|
+ |error code/enclosed data offset|
+ |-------------------------------|
+ |total data length |
+ |-------------------------------|
+ |reserved field |
+ |-------------------------------|
+
+ CONVENTION: anything with a dsi_ prefix is kept in network byte order.
*/
-/* these need to be kept in sync w/ AFPTRANS_* in <atalk/afp.h>.
+/* these need to be kept in sync w/ AFPTRANS_* in <atalk/afp.h>.
* convention: AFPTRANS_* = (1 << DSI_*) */
typedef enum {
- DSI_MIN = 1,
- DSI_TCPIP = 1,
- DSI_MAX = 1
+ DSI_MIN = 1,
+ DSI_TCPIP = 1,
+ DSI_MAX = 1
} dsi_proto;
#define DSI_BLOCKSIZ 16
struct dsi_block {
- uint8_t dsi_flags; /* packet type: request or reply */
- uint8_t dsi_command; /* command */
- uint16_t dsi_requestID; /* request ID */
- uint32_t dsi_code; /* error code or data offset */
- uint32_t dsi_len; /* total data length */
- uint32_t dsi_reserved; /* reserved field */
+ uint8_t dsi_flags; /* packet type: request or reply */
+ uint8_t dsi_command; /* command */
+ uint16_t dsi_requestID; /* request ID */
+ uint32_t dsi_code; /* error code or data offset */
+ uint32_t dsi_len; /* total data length */
+ uint32_t dsi_reserved; /* reserved field */
};
-#define DSI_CMDSIZ 8192
+#define DSI_CMDSIZ 8192
#define DSI_DATASIZ 8192
/* child and parent processes might interpret a couple of these
* differently. */
typedef struct DSI {
- AFPObj *AFPobj;
- dsi_proto protocol;
- struct dsi_block header;
- struct sockaddr_storage server, client;
- struct itimerval timer;
- int tickle; /* tickle count */
- int in_write; /* in the middle of writing multiple packets,
- signal handlers can't write to the socket */
- int msg_request; /* pending message to the client */
- int down_request; /* pending SIGUSR1 down in 5 mn */
-
- uint32_t attn_quantum, datasize, server_quantum;
- uint16_t serverID, clientID;
- char *status;
- uint8_t commands[DSI_CMDSIZ], data[DSI_DATASIZ];
- size_t statuslen;
- size_t datalen, cmdlen;
- off_t read_count, write_count;
- uint32_t flags; /* DSI flags like DSI_SLEEPING, DSI_DISCONNECTED */
- const char *program;
- int socket, serversock;
-
- /* protocol specific open/close, send/receive
- * send/receive fill in the header and use dsi->commands.
- * write/read just write/read data */
- pid_t (*proto_open)(struct DSI *);
- void (*proto_close)(struct DSI *);
-
- /* url registered with slpd */
-#ifdef USE_SRVLOC
- char srvloc_url[512];
-#endif
+ DSI *next; /* multiple listening addresses */
+ AFPObj *AFPobj;
+ struct dsi_block header;
+ struct sockaddr_storage server, client;
+ struct itimerval timer;
+ int tickle; /* tickle count */
+ int in_write; /* in the middle of writing multiple packets,
+ signal handlers can't write to the socket */
+ int msg_request; /* pending message to the client */
+ int down_request; /* pending SIGUSR1 down in 5 mn */
+
+ uint32_t attn_quantum, datasize, server_quantum;
+ uint16_t serverID, clientID;
+ char *status;
+ uint8_t commands[DSI_CMDSIZ], data[DSI_DATASIZ];
+ size_t statuslen;
+ size_t datalen, cmdlen;
+ off_t read_count, write_count;
+ uint32_t flags; /* DSI flags like DSI_SLEEPING, DSI_DISCONNECTED */
+ const char *program;
+ int socket; /* AFP session socket */
+ int serversock; /* listening socket */
+
+ /* DSI readahead buffer used for buffered reads in dsi_peek */
+ size_t dsireadbuf; /* size of the DSI readahead buffer used in dsi_peek() */
+ char *buffer; /* buffer start */
+ char *start; /* current buffer head */
+ char *eof; /* end of currently used buffer */
+ char *end;
#ifdef USE_ZEROCONF
- char *bonjourname; /* server name as UTF8 maxlen MAXINSTANCENAMELEN */
- int zeroconf_registered;
+ char *bonjourname; /* server name as UTF8 maxlen MAXINSTANCENAMELEN */
+ int zeroconf_registered;
#endif
- /* DSI readahead buffer used for buffered reads in dsi_peek */
- size_t dsireadbuf; /* size of the DSI readahead buffer used in dsi_peek() */
- char *buffer;
- char *start;
- char *eof;
- char *end;
+ /* protocol specific open/close, send/receive
+ * send/receive fill in the header and use dsi->commands.
+ * write/read just write/read data */
+ pid_t (*proto_open)(struct DSI *);
+ void (*proto_close)(struct DSI *);
} DSI;
-
+
/* DSI flags */
#define DSIFL_REQUEST 0x00
#define DSIFL_REPLY 0x01
#define DSIFUNC_MAX 8 /* largest command */
/* DSI Error codes: most of these aren't used. */
-#define DSIERR_OK 0x0000
-#define DSIERR_BADVERS 0xfbd6
-#define DSIERR_BUFSMALL 0xfbd5
-#define DSIERR_NOSESS 0xfbd4
-#define DSIERR_NOSERV 0xfbd3
-#define DSIERR_PARM 0xfbd2
-#define DSIERR_SERVBUSY 0xfbd1
-#define DSIERR_SESSCLOS 0xfbd0
-#define DSIERR_SIZERR 0xfbcf
-#define DSIERR_TOOMANY 0xfbce
-#define DSIERR_NOACK 0xfbcd
+#define DSIERR_OK 0x0000
+#define DSIERR_BADVERS 0xfbd6
+#define DSIERR_BUFSMALL 0xfbd5
+#define DSIERR_NOSESS 0xfbd4
+#define DSIERR_NOSERV 0xfbd3
+#define DSIERR_PARM 0xfbd2
+#define DSIERR_SERVBUSY 0xfbd1
+#define DSIERR_SESSCLOS 0xfbd0
+#define DSIERR_SIZERR 0xfbcf
+#define DSIERR_TOOMANY 0xfbce
+#define DSIERR_NOACK 0xfbcd
/* server and client quanta */
#define DSI_DEFQUANT 2 /* default attention quantum size */
/* basic initialization: dsi_init.c */
extern DSI *dsi_init (const dsi_proto /*protocol*/,
- const char * /*program*/,
- const char * /*host*/, const char * /*address*/,
- const char * /*port*/, const int /*proxy*/,
- const uint32_t /* server quantum */);
+ const char * /*program*/,
+ const char * /*host*/, const char * /*address*/,
+ const char * /*port*/, const int /*proxy*/,
+ const uint32_t /* server quantum */);
extern void dsi_setstatus (DSI *, char *, const size_t);
/* in dsi_getsess.c */
/* client reads -- dsi_read.c */
extern ssize_t dsi_readinit (DSI *, void *, const size_t, const size_t,
- const int);
+ const int);
extern ssize_t dsi_read (DSI *, void *, const size_t);
extern void dsi_readdone (DSI *);
/* some useful macros */
#define dsi_serverID(x) ((x)->serverID++)
-#define dsi_send(x) do { \
- (x)->header.dsi_len = htonl((x)->cmdlen); \
- dsi_stream_send((x), (x)->commands, (x)->cmdlen); \
-} while (0)
+#define dsi_send(x) do { \
+ (x)->header.dsi_len = htonl((x)->cmdlen); \
+ dsi_stream_send((x), (x)->commands, (x)->cmdlen); \
+ } while (0)
#endif /* atalk/dsi.h */
projects / netatalk.git / blobdiff