New internal sg-API function sg_initialize()

cdrskin/cdrskin_timestamp.h

@@ -1 +1 @@
-#define Cdrskin_timestamP "2009.12.25.205704"
+#define Cdrskin_timestamP "2009.12.25.223915"

libburn/init.c

@@ -59,6 +59,12 @@ int burn_sg_open_o_nonblock = 1;
 	    to unconditional abort of the process  */
 int burn_sg_open_abort_busy = 0;
 
+
+/* The message returned from sg_initialize()
+*/
+char sg_initialize_msg[1024] = {""};
+
+
 /* ts A61002 */
 
 #include "cleanup.h"
@@ -110,6 +116,14 @@ int burn_initialize(void)
 	ret = burn_msgs_initialize();
 	if (ret <= 0)
 		return 0;
+	ret = sg_initialize(sg_initialize_msg, 0);
+	if (ret <= 0) {
+                libdax_msgs_submit(libdax_messenger, -1,
+                        0x00020175,
+                        LIBDAX_MSGS_SEV_FATAL, LIBDAX_MSGS_PRIO_HIGH,
+                        sg_initialize_msg, 0, 0);
+		return 0;
+	}
 	burn_running = 1;
 	return 1;
 }

libburn/sg-freebsd-port.c

@@ -29,6 +29,11 @@ and of deriving the following system specific files from existing examples:
 Said sg-*.c operations are defined by a public function interface, which has
 to be implemented in a way that provides libburn with the desired services:
  
+sg_initialize()         performs global initialization of the SCSI transport
+                        adapter and eventually needed operating system
+                        facilities. Checks for compatibility of supporting
+                        software components.
+
 sg_give_next_adr()      iterates over the set of potentially useful drive 
                         address strings.
 
@@ -230,6 +235,20 @@ static void enumerate_common(char *fname, int bus_no, int host_no,
 /* ------------------------------------------------------------------------ */
 
 
+/** Performs global initialization of the SCSI transport adapter and eventually
+    needed operating system facilities. Checks for compatibility supporting
+    software components.
+    @param msg   returns ids and/or error messages of eventual helpers
+    @param flag  unused yet, submit 0
+    @return      1 = success, <=0 = failure
+*/
+int sg_initialize(char msg[1024], int flag)
+{
+	/* nothing to be done */
+	return 1;
+}
+
+
 /** Returns the next index number and the next enumerated drive address.
     The enumeration has to cover all available and accessible drives. It is
     allowed to return addresses of drives which are not available but under

libburn/sg-freebsd.c

@@ -54,6 +54,21 @@ int burn_drive_is_banned(char *device_address);
 int mmc_function_spy(struct burn_drive *d, char * text);
 
 
+/* ts A91225 */
+/** Performs global initialization of the SCSI transport adapter and eventually
+    needed operating system facilities. Checks for compatibility supporting
+    software components.
+    @param msg   returns ids and/or error messages of eventual helpers
+    @param flag  unused yet, submit 0
+    @return      1 = success, <=0 = failure
+*/
+int sg_initialize(char msg[1024], int flag)
+{
+	/* nothing to be done */
+	return 1;
+}
+
+
 /* ts A61021 : Moved most code from scsi_enumerate_drives under
                sg_give_next_adr() */
 /* Some helper functions for scsi_give_next_adr() */

libburn/sg-libcdio.c

@@ -28,6 +28,11 @@ and of deriving the following system specific files from existing examples:
 
 Said sg-*.c operations are defined by a public function interface, which has
 to be implemented in a way that provides libburn with the desired services:
+
+sg_initialize()         performs global initialization of the SCSI transport
+                        adapter and eventually needed operating system
+                        facilities. Checks for compatibility of supporting
+                        software components.
  
 sg_give_next_adr()      iterates over the set of potentially useful drive 
                         address strings.
@@ -206,6 +211,54 @@ static void enumerate_common(char *fname, int bus_no, int host_no,
 /* ------------------------------------------------------------------------ */
 
 
+/** Performs global initialization of the SCSI transport adapter and eventually
+    needed operating system facilities. Checks for compatibility of supporting
+    software components.
+    @param msg   returns ids and/or error messages of eventual helpers
+    @param flag  unused yet, submit 0
+    @return      1 = success, <=0 = failure
+*/ 
+int sg_initialize(char msg[1024], int flag)
+{
+	char *version_text, *msg_pt;
+	int cdio_ver;
+
+	sprintf(msg, "Using sg-libcdio-%d with libcdio version ",
+		LIBCDIO_VERSION_NUM );
+
+ #if LIBCDIO_VERSION_NUM < 83 
+
+LIBBURN_MISCONFIGURATION = 0;
+INTENTIONAL_ABORT_OF_COMPILATION__HEADERFILE_cdio_version_dot_h_TOO_OLD__NEED_LIBCDIO_VERSION_NUM_83 = 0;
+LIBBURN_MISCONFIGURATION_ = 0;
+
+ #else
+
+	cdio_ver = libcdio_version_num;
+	version_text = (char *) cdio_version_string;
+
+ #endif /* ! LIBCDIO_VERSION_NUM < 83  */
+
+	strncat(msg, version_text, 800);
+	libdax_msgs_submit(libdax_messenger, -1, 0x00000002,
+		LIBDAX_MSGS_SEV_DEBUG, LIBDAX_MSGS_PRIO_HIGH,
+		msg , 0, 0);
+	if (cdio_ver < LIBCDIO_VERSION_NUM) {
+		strcat(msg, " ---> ");
+		msg_pt = msg + strlen(msg);
+		sprintf(msg_pt,
+		    "libcdio TOO OLD: numeric version %d , need at least %d",
+		    cdio_ver, LIBCDIO_VERSION_NUM);
+		libdax_msgs_submit(libdax_messenger, -1,
+			0x00000002,
+			LIBDAX_MSGS_SEV_DEBUG, LIBDAX_MSGS_PRIO_HIGH,
+			msg_pt, 0, 0);
+		return 0;
+	}
+	return 1;
+}
+
+
 /** Returns the next index number and the next enumerated drive address.
     The enumeration has to cover all available and accessible drives. It is
     allowed to return addresses of drives which are not available but under
@@ -318,46 +371,13 @@ int sg_drive_is_open(struct burn_drive * d)
 int sg_grab(struct burn_drive *d)
 {
 	CdIo_t *p_cdio;
-	char *am, *version_text;
+	char *am;
-	char msg[160];
-	int cdio_ver = 82;
 
 	if (d->p_cdio != NULL) {
 		d->released = 0;
 		return 1;
 	}
 
-	sprintf(msg, "Using sg-libcdio-%d with libcdio version ",
-		LIBCDIO_VERSION_NUM );
-
- #if LIBCDIO_VERSION_NUM < 83 
-
-LIBBURN_MISCONFIGURATION = 0;
-INTENTIONAL_ABORT_OF_COMPILATION__HEADERFILE_cdio_version_dot_h_TOO_OLD__NEED_LIBCDIO_VERSION_NUM_83 = 0;
-LIBBURN_MISCONFIGURATION_ = 0;
-
- #else
-
-	cdio_ver = libcdio_version_num;
-	version_text = (char *) cdio_version_string;
-
- #endif /* ! LIBCDIO_VERSION_NUM < 83  */
-
-	strncat(msg, version_text, 80);
-	libdax_msgs_submit(libdax_messenger, -1, 0x00000002,
-		LIBDAX_MSGS_SEV_DEBUG, LIBDAX_MSGS_PRIO_HIGH,
-		msg , 0, 0);
-	if (cdio_ver < LIBCDIO_VERSION_NUM) {
-		sprintf(msg,
-		    "libcdio TOO OLD: numeric version %d , need at least %d",
-		    cdio_ver, LIBCDIO_VERSION_NUM);
-		libdax_msgs_submit(libdax_messenger, d->global_index,
-			0x00020175,
-			LIBDAX_MSGS_SEV_FATAL, LIBDAX_MSGS_PRIO_HIGH,
-			msg, 0, 0);
-		return 0;
-	}
-
 	p_cdio = cdio_open_am(d->devname, DRIVER_DEVICE, 
 			burn_sg_open_o_excl ?  "MMC_RDWR_EXCL" : "MMC_RDWR");
 

libburn/sg-linux.c

@@ -35,6 +35,11 @@ and of deriving the following system specific files from existing examples:
 Said sg-*.c operations are defined by a public function interface, which has
 to be implemented in a way that provides libburn with the desired services:
  
+sg_initialize()         performs global initialization of the SCSI transport
+                        adapter and eventually needed operating system
+                        facilities. Checks for compatibility of supporting
+                        software components.
+
 sg_give_next_adr()      iterates over the set of potentially useful drive 
                         address strings.
 
@@ -1407,6 +1412,20 @@ static void enumerate_common(char *fname, int bus_no, int host_no,
 /* ------------------------------------------------------------------------ */
 
 
+/** Performs global initialization of the SCSI transport adapter and eventually
+    needed operating system facilities. Checks for compatibility supporting
+    software components.
+    @param msg   returns ids and/or error messages of eventual helpers
+    @param flag  unused yet, submit 0
+    @return      1 = success, <=0 = failure
+*/
+int sg_initialize(char msg[1024], int flag)
+{
+	/* nothing to be done */
+	return 1;
+}
+
+
 /** PORTING:
     In this Linux implementation, this function mirrors the enumeration
     done in sg_enumerate and ata_enumerate(). It would be better to base those

libburn/sg.h

@@ -33,4 +33,15 @@ int sg_drive_is_open(struct burn_drive * d);
 
 int burn_os_stdio_capacity(char *path, off_t *bytes);
 
+/* ts A91225 */
+/** Performs global initialization of the SCSI transport adapter and eventually
+    needed operating system facilities. Checks for compatibility supporting
+    software components.
+    @param msg   returns ids and/or error messages of eventual helpers
+    @param flag  unused yet, submit 0
+    @return      1 = success, <=0 = failure 
+*/      
+int sg_initialize(char msg[1024], int flag);
+
+
 #endif /* __SG */