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* lib: Add pb-config moduleJeremy Kerr2013-06-241-0/+4
| | | | | | | | | Add a library for (name, value) configuration. Different storage backends are allowed (although currently hardcoded to powerpc nvram), and config is read-only at present. Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
* discover: Add logging for default boot option behaviourJeremy Kerr2013-06-241-0/+6
| | | | Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
* discover/event: Allow empty param valuesJeremy Kerr2013-06-241-9/+11
| | | | | | | | | | Useful for specifying defaults: pb-event add@defaults name='Netboot' \ image=http://192.168.0.1/vmlinuz \ default Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
* discover: Add "cancel default boot" messagesJeremy Kerr2013-06-243-9/+49
| | | | | | | Allow the default boot process to be cancelled, via a message with action PB_PROTOCOL_ACTION_CANCEL_DEFAULT. Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
* discover/event: Allow user events to be defaultsJeremy Kerr2013-06-241-0/+3
| | | | Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
* discover: Add countdown before default bootJeremy Kerr2013-06-241-3/+31
| | | | Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
* discover: implement default bootingJeremy Kerr2013-06-243-13/+51
| | | | | | | When we see a boot option with is_default set, store it in the handler and register a timeout waiter. Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
* discover/boot: Allow null boot commandJeremy Kerr2013-06-241-3/+3
| | | | | | If we're booting from a default option, we don't have a boot command. Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
* lib/waiter: Add timeout waitersJeremy Kerr2013-06-243-5/+7
| | | | Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
* discover/grub2: Add default option parsingJeremy Kerr2013-06-241-1/+39
| | | | Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
* discover: Send options to client in orderGeoff Levand2013-05-211-2/+2
| | | | | | | | Send the boot options to the client in the order discovered. This change is in follow up to inverting the order that the server saves the options internally. Signed-off-by: Geoff Levand <geoff@infradead.org>
* discover/grub2: remove uuid log messageJeremy Kerr2013-05-211-1/+0
| | | | Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
* discover: fix error handling from failed client writesJeremy Kerr2013-05-211-4/+9
| | | | Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
* discover: Fix accept() return value checkJeremy Kerr2013-05-211-1/+1
| | | | Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
* discover: destroy client if message read failedJeremy Kerr2013-05-211-4/+11
| | | | | | | When a client disconnects, the read from the client's fd will return EOF. We should destroy the client in this situation. Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
* parser: Use list to hold parsersGeoff Levand2013-05-171-15/+21
| | | | | | | Now that we dynamically add parsers, we can use a list to hold them. Also simplifies the test_run_parser() routine. Signed-off-by: Geoff Levand <geoff@infradead.org>
* parser/grub2: Add parse for linux16Geoff Levand2013-05-171-1/+2
| | | | | | Ubuntu uses the linux16 symbol in thier conf files for memory test entries. Signed-off-by: Geoff Levand <geoff@infradead.org>
* parser/grub2: Better menuentry parsingGeoff Levand2013-05-171-6/+1
| | | | | | Grub2 menuentry entry text can use double or single quotes. Signed-off-by: Geoff Levand <geoff@infradead.org>
* discover/grub2: handle search commands to specify root filesystemsJeremy Kerr2013-05-161-5/+90
| | | | | | Add a resource type for grub, allowing us to parse search parameters. Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
* discover/resource: Provide resolve_resource_against_deviceJeremy Kerr2013-05-162-6/+8
| | | | | | | | Any other implementation of resources will need to resolve againsst particular devices, so make resolve_devpath_against_device publically-accessible, and rename to not be devpath-specific. Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
* discover: log cleanupJeremy Kerr2013-05-165-19/+26
| | | | | | | Remove some of the more noisy log messages, and add some information pertinent to device resolution events. Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
* discover: Make device handler a little more testableJeremy Kerr2013-05-151-280/+307
| | | | | | | | | | | This change moves some of the device-handler code into an #ifdef-ed section, so we can easily drop the stuff that's not required for testing. Although the change is quite large, most of it is moving entire functions around. Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
* discover: Allow devices with no device_pathJeremy Kerr2013-05-151-1/+4
| | | | | | | | Devices that have been added via the user path may not have a device path. In this case, don't segfault in device_match_path, and break out of mount_device early. Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
* discover: Always associate resources with a boot optionJeremy Kerr2013-05-154-15/+19
| | | | | | | | | | | We should always be tallocing resources to a boot option context; anything else (for example, the discover context) may have a different lifetime. In order to enforce this, we change the void *ctx argument to the context_create functions to a struct discover_boot_option. Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
* discover: Don't access bytes before the start of empty stringsJeremy Kerr2013-05-151-0/+3
| | | | Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
* discover: Always add a NUL byte to config dataJeremy Kerr2013-05-151-1/+3
| | | | | | | conf_get_pair will read one-byte past the end of the conf buffer, so always NUL-terminate. Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
* discover/yaboot: Fix boot option stateJeremy Kerr2013-05-151-12/+13
| | | | | | We're only picking up every second boot option. Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
* discover/udev: use devname (not devpath) for device IDsJeremy Kerr2013-05-151-1/+1
| | | | | | devnames are unique, and much shorter. Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
* discover/grub2: Add grub2/grub.cfg config fileJeremy Kerr2013-05-151-0/+2
| | | | Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
* discover: handle boot_option->device_id entirely within handlerJeremy Kerr2013-05-093-3/+4
| | | | | | | No need for parsers to populate (or forget to populate, in the case of most parsers) opt->device_id, as we should do it on finalise. Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
* discover/udev: Setup event params from udev propertiesJeremy Kerr2013-05-091-16/+17
| | | | Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
* discover/event: Add event_set_paramJeremy Kerr2013-05-092-2/+27
| | | | Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
* discover/udev: Don't print properties of skipped devicesJeremy Kerr2013-05-091-2/+2
| | | | | | This cleans up the log output a little. Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
* discover/grub2: Rework config stateJeremy Kerr2013-05-081-13/+10
| | | | | | | Rather than creating boot options pre-emptively, in two paths, just do it once when we see the menuentry option. Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
* discover: Don't invert option discovery orderJeremy Kerr2013-05-081-1/+1
| | | | | | | | Keep options in the order that we discovered them in; this makes testing a little easier, as the options appear in the list in the same order as the config file. Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
* discover: Don't resend all options to all clientsJeremy Kerr2013-05-071-2/+1
| | | | | | | | | | Currently, when a new UI client connects, we send all boot options to all clients. This results in existing clients getting duplicate add events. Instead, we only want to send existing boot options to the new client. Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
* discover/event-parser: correctly populate boot option resourcesJeremy Kerr2013-05-071-13/+35
| | | | | | | The user event parser should be populating the discover_boot_option's resources, not the strings in struct boot_option. Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
* discover/resource.h: Add forward declarationsJeremy Kerr2013-05-071-0/+2
| | | | | | We need to define a few structs for the params of resource functions. Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
* discover/user-event: better event debugging outputJeremy Kerr2013-05-072-10/+22
| | | | | | | | | | | | | | | We don't currently handle conf events very well: user_event remove event: device: /net/eth0 name => (null) image => (null) args => (null) This change prints the event action properly, and prints all event params. Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
* discover/kboot: Fix boot_option initialisationJeremy Kerr2013-05-061-0/+1
| | | | | | | We're not populating d_opt->option, so are returning invalid boot options from the kboot parser. Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
* discover: log unresolved boot optionsJeremy Kerr2013-05-061-0/+3
| | | | | | | These are a bit of a special-case ("why isn't my boot option appearing?"), so add a log message. Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
* discover: kexec harderJeremy Kerr2013-05-061-0/+15
| | | | | | | | `kexec -e` will just call shutdown, which we've already tried, so it's likely to fail. Add a further fallback to force a kexec with -e -f options. Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
* discover/user-event: handle initrdsJeremy Kerr2013-05-061-0/+4
| | | | Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
* parsers: populate resolve_resource membersJeremy Kerr2013-05-062-8/+10
| | | | | | We're only dealing with devpath resources at the moment. Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
* discover: detect unresolvable resourcesJeremy Kerr2013-05-061-2/+11
| | | | | | We don't want to call NULL resolve_resource callbacks. Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
* discover: Send boot status messages during boot()Jeremy Kerr2013-05-063-6/+55
| | | | | | | Now what we have protocol support, send status updates during the boot process. Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
* discover: Add discover_server_notify_boot_statusJeremy Kerr2013-05-062-0/+30
| | | | | | Add a function to the server to notify clients of boot status updates. Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
* udev: Revove use of udev_get_sys_pathGeoff Levand2013-05-051-1/+1
| | | | | | | libudev1 changed the symbol udev_get_sys_path to be private, so remove its use in petitboot. Signed-off-by: Geoff Levand <geoff@infradead.org>
* discover: Remove empty routine udev_triggerGeoff Levand2013-05-033-7/+0
| | | | | | | | With the switch of the discover server to use the libudev enumeration support the udev_trigger() routine has becone empty and is no longer needed. Signed-off-by: Geoff Levand <geoff@infradead.org>
* discover: Update udev routines to use libudevGeoff Levand2013-05-032-90/+240
| | | | | | | Support for 'RUN+="socket:' in udev rules files has been removed in udev version 183. Update the discover server to use libudev. Signed-off-by: Geoff Levand <geoff@infradead.org>
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