shihaam/isodrive
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Add option to switch between configfs and usb_gadget

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This commit is contained in:
Marcel Alexandru Nitan
2023-07-30 18:50:15 +03:00
parent 3d78a129a7
commit 8066ce340d
3 changed files with 37 additions and 8 deletions
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8
README.md
View File

@@ -17,11 +17,13 @@
```bash
isodrive [FILE]... [OPTION]...
Mounts the given FILE as a bootable device using configfs.
Run without any arguments to unmount any mounted files and to display this help message.
Run without any arguments to unmount any mounted files and display this help message.
Optional arguments:
-rw Mounts the file in read write mode.
-cdrom Mounts the file as a cdrom.
-rw Mounts the file in read write mode.
-cdrom Mounts the file as a cdrom.
-configfs Forces the app to use configfs.
-usbgadget Forces the app to use usb_gadget.
```
### Examples

2
src/configfsisomanager.cpp
View File

@@ -65,7 +65,7 @@ void mount_iso(char *iso_path, char *cdrom, char *ro) {
char *gadgetRoot = get_gadget_root();
if (gadgetRoot == nullptr) {
printf("No active gadget found\n");
printf("No active gadget found!\n");
return;
}
char *configRoot = get_config_root();

35
src/main.cpp
View File

@@ -12,14 +12,23 @@ int print_help() {
"this help message.\n\n");
printf("Optional arguments:\n");
printf("-rw\t Mounts the file in read write mode.\n");
printf("-cdrom\t Mounts the file as a cdrom.\n\n");
printf("-rw\t\t Mounts the file in read write mode.\n");
printf("-cdrom\t\t Mounts the file as a cdrom.\n");
printf("-configfs\t Forces the app to use configfs.\n");
printf("-usbgadget\t Forces the app to use usb_gadget.\n\n");
printf("UMOUNT:\n");
return 1;
}
void configs(char *iso_target, char *cdrom, char *ro) {
printf("Using configfs!\n");
if (!supported())
{
printf("usb_gadget is not supported!\n");
return;
}
if (strcmp(ro, "1") != 0 && strcmp(ro, "0") != 0) {
printf("\nFaled to parse -rw argument. Defaulting to ro\n");
printf("Check --help for more usage info\n");
@@ -36,6 +45,12 @@ void configs(char *iso_target, char *cdrom, char *ro) {
}
void usb(char *iso_target, char *cdrom, char *ro) {
printf("Using usb_gadget!\n");
if (!usb_supported())
{
printf("usb_gadget is not supported!\n");
return;
}
if (strcmp(cdrom, "0") != 0 || strcmp(ro, "1") != 0)
{
printf((char*)"cdrom/ro flags ignored. (this is expected)");
@@ -49,13 +64,19 @@ void usb(char *iso_target, char *cdrom, char *ro) {
int main(int argc, char *argv[]) {
char *iso_target = (char *)"";
char *cdrom = (char *)"0";
char *ro = (char *)"1";
char *ro = (char *)"1";
char *configfs = (char *)"0";
char *usbgadget = (char *)"0";
for (int i = 1; i < argc; i++) {
if (strcmp(argv[i], "-rw") == 0) {
ro = (char *)"0";
} else if (strcmp(argv[i], "-cdrom") == 0) {
cdrom = (char *)"1";
} else if (strcmp(argv[i], "-configfs") == 0) {
configfs = (char *)"1";
} else if (strcmp(argv[i], "-usbgadget") == 0) {
usbgadget = (char *)"1";
} else if (strcmp(iso_target, "") == 0) {
iso_target = argv[i];
}
@@ -74,7 +95,13 @@ int main(int argc, char *argv[]) {
printf("MOUNT:\n");
}
if (usb_supported())
if (strcmp(configfs, "1") == 0)
configs(iso_target, cdrom, ro);
else if (strcmp(usbgadget, "1") == 0)
{
usb(iso_target, cdrom, ro);
}
else if (usb_supported())
usb(iso_target, cdrom, ro);
else if (supported())
configs(iso_target, cdrom, ro);