X-Git-Url: http://git.ozlabs.org/?p=petitboot;a=blobdiff_plain;f=discover%2Fparser.h;h=b738577ff3d9d4a17a41bdecb3a5247774d51ad9;hp=9c6fb352e84337b14ce647e538e7f23bb07bd6f2;hb=5e7c90eddd7ac2e4a3b05a7a5f6e29166edfa161;hpb=32e6a41f33e5576716b351bd473a27939fe94fa1 diff --git a/discover/parser.h b/discover/parser.h index 9c6fb35..b738577 100644 --- a/discover/parser.h +++ b/discover/parser.h @@ -1,15 +1,39 @@ - -#ifndef _PARSERS_H -#define _PARSERS_H - -#include -#include "message.h" - +#ifndef _PARSER_H +#define _PARSER_H + +#include + +#include "device-handler.h" + +struct discover_context; +struct device_handler; +struct resource; + +/** + * Our config parser. + * + * Each parser is responsible for creating discover_boot_options from config + * files found on new devices. The boot items discovered during parse will have + * 'resources' attached (see @discover_boot_option), which may already be + * resolved (in the case of a device-local filename, or a URL), or unresolved + * (in the case of a filename on another device). + * + * If the boot option contains references to unresolved resources, the + * device handler will not inform clients about the boot options, as + * they're not properly "available" at this stage. The handler will attempt to + * resolve them whenever new devices are discovered, by calling the parser's + * resolve_resource function. Once a boot option's resources are full resolved, + * the option can be sent to clients. + */ struct parser { - char *name; - int priority; - int (*parse)(const char *device); - struct parser *next; + char *name; + enum conf_method method; + const char * const *filenames; + int (*parse)(struct discover_context *ctx, + char *buf, int len); + bool (*resolve_resource)( + struct device_handler *handler, + struct resource *res); }; enum generic_icon_type { @@ -22,25 +46,9 @@ enum generic_icon_type { #define streq(a,b) (!strcasecmp((a),(b))) -/* general functions provided by parsers.c */ -void iterate_parsers(const char *devpath, const char *mountpoint); - -void free_device(struct device *dev); -void free_boot_option(struct boot_option *opt); - -const char *generic_icon_file(enum generic_icon_type type); - -/* functions provided by udev-helper or the test wrapper */ -void pb_log(const char *fmt, ...); - -int mount_device(const char *dev_path); - -char *resolve_path(const char *path, const char *current_dev); -const char *mountpoint_for_device(const char *dev_path); - -enum generic_icon_type guess_device_type(void); +void parser_init(void); -int add_device(const struct device *dev); -int add_boot_option(const struct boot_option *opt); +void iterate_parsers(struct discover_context *ctx, enum conf_method method); +int parse_user_event(struct discover_context *ctx, struct event *event); -#endif /* _PARSERS_H */ +#endif /* _PARSER_H */