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Feature explicit device type (rascsi) (#177)

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* Added support for explicit file type

* Check file type

* Manpage update

* Removed device file work-around, an explicit type can be used instead

Co-authored-by: akuker <akuker@gmail.com>
This commit is contained in:
Uwe Seimet 2021-08-10 04:20:58 +02:00 committed by GitHub
parent 79de9e29e0
commit 1c8c3600a7
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3 changed files with 31 additions and 16 deletions
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8
doc/rascsi.1
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@ -54,10 +54,10 @@ The rascsi server port, default is 6868.
.BR \-v\fI " " \fI
Display the rascsi version.
.TP
.BR \-ID\fIn " " \fIFILE
.BR \-ID\fIn " " \fIFILE[:TYPE]
n is the SCSI ID number (0-7)
.IP
FILE is the name of the image file to attach to that ID. If FILE starts with '/dev/' the extension, which encodes the device type, is stripped, so that device files can conveniently be used as image files.
FILE is the name of the image file to attach to that ID. An optional explicit device type (SASI_HD, SCSI_HD, CD, MO, BR, NUVOLINK, DAYNAPORT) can be provided after a colon.
.TP
.BR \-HD\fIn " " \fIFILE
n is the SASI ID number (0-15)
@ -73,8 +73,8 @@ Launch RaSCSI with no emulated drives attached:
Launch RaSCSI with an Apple hard drive image as ID 0 and a CD-ROM as ID 2
rascsi -ID0 /path/to/harddrive.hda -ID2 /path/to/cdimage.iso
Launch RaSCSI with a SCSI hard drive image as ID 0 and the raw device file /dev/hdb (e.g. a USB stick) as an image file:
rascsi -ID0 /dev/hdb.hds
Launch RaSCSI with a SCSI hard drive image as ID 0 and the raw device file /dev/hdb (e.g. a USB stick) as a SCSI hard disk image file:
rascsi -ID0 /dev/hdb:SCSI_HD
To create an empty, 100MB HD image, use the following command:
dd if=/dev/zero of=/path/to/newimage.hda bs=512 count=204800

6
doc/rascsi_man_page.txt
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@ -63,13 +63,15 @@ OPTIONS
-v Display the rascsi version.
-IDn FILE
-IDn FILE[:TYPE]
n is the SCSI ID number (0-7)
FILE is the name of the image file to attach to that ID. If FILE
starts with '/dev/' the extension, which encodes the device
type, is stripped, so that device files can conveniently be used
as image files.
as image files. An optional explicit device type (SASI_HD,
SCSI_HD, CD, MO, BR, NUVOLINK, DAYNAPORT) can be provided after
a colon.
-HDn FILE
n is the SASI ID number (0-15)

33
src/raspberrypi/rascsi.cpp
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@ -552,12 +552,6 @@ bool ProcessCmd(int fd, const PbCommand &command)
return ReturnStatus(fd, false, error);
}
string ext;
int len = params.length();
if (len > 4 && params[len - 4] == '.') {
ext = params.substr(len - 3);
}
// Copy the Unit List
Disk *map[CtrlMax * UnitNum];
memcpy(map, disk, sizeof(disk));
@ -569,6 +563,28 @@ bool ProcessCmd(int fd, const PbCommand &command)
return ReturnStatus(fd, false, error);
}
string file = params;
// Try to extract the file type from the filename. Convention: "filename:type".
size_t separatorPos = file.find(':');
if (separatorPos != string::npos) {
string t = file.substr(separatorPos + 1);
transform(t.begin(), t.end(), t.begin(), ::toupper);
if (!PbDeviceType_Parse(t, &type)) {
error << "Invalid device type " << t;
return ReturnStatus(fd, false, error);
}
file = file.substr(0, separatorPos);
}
string ext;
int len = file.size();
if (len > 4 && file[len - 4] == '.') {
ext = file.substr(len - 3);
}
// If no type was specified try to derive the file type from the extension
if (type == UNDEFINED) {
if (ext == "hdf") {
@ -584,7 +600,7 @@ bool ProcessCmd(int fd, const PbCommand &command)
}
// File check (type is HD, for CD and MO the medium (=file) may be inserted later)
if ((type == SASI_HD || type == SCSI_HD) && params.empty()) {
if ((type == SASI_HD || type == SCSI_HD) && file.empty()) {
return ReturnStatus(fd, false, "Missing filename");
}
@ -625,9 +641,6 @@ bool ProcessCmd(int fd, const PbCommand &command)
// drive checks files
if (type != BR && type != DAYNAPORT && !command.params().empty()) {
// Strip the image file extension from device file names, so that device files can be used as drive images
string file = params.find("/dev/") ? params : params.substr(0, params.length() - 4);
// Set the Path
filepath.SetPath(file.c_str());