X-Git-Url: http://git.vrable.net/?a=blobdiff_plain;f=store.h;h=1ef5db46a5f6eb2cb39ec99dcf347b4bdbbff492;hb=5c10647d667fc4408b73402db9247181a54a57ad;hp=a9d6365c4525e271e498275f6a4aa93397a499f3;hpb=08147fb0bc1d09610b05f3f7d54eda88ef5776ec;p=cumulus.git diff --git a/store.h b/store.h index a9d6365..1ef5db4 100644 --- a/store.h +++ b/store.h @@ -20,6 +20,7 @@ #include #include "sha1.h" +#include "ref.h" class LbsObject; @@ -72,8 +73,8 @@ public: // (segment/object) to refer to it. The optional parameter group can be // used to control object placement; objects with different group // parameters are kept in separate segments. - std::string write_object(const char *data, size_t len, - const std::string &group = ""); + ObjectReference write_object(const char *data, size_t len, + const std::string &group = ""); // Ensure all segments have been fully written. void sync(); @@ -82,7 +83,6 @@ private: struct segment_info { Tarfile *file; std::string name; // UUID - std::set refs; // Other segments this one refers to int count; // Objects written to this segment }; @@ -114,17 +114,21 @@ public: // incrementally. Data can be an arbitrary block of binary data of any // size. The pointer to the data need only remain valid until write() is // called. - //const char *get_data() const { return data; } - //size_t get_data_len() const { return data_len; } void set_data(const char *d, size_t len) { data = d; data_len = len; } // Write an object to a segment, thus making it permanent. This function // can be called at most once. void write(TarSegmentStore *store); + // Compute the checksum of an object, and include it in the object + // reference. This should be called after write(), and the data specified + // by set_data() must remain valid through the call to checksum(). + void checksum(); + // An object is assigned a permanent name once it has been written to a // segment. Until that time, its name cannot be determined. - std::string get_name() const { return name; } + std::string get_name() const { return ref.to_string(); } + ObjectReference get_ref() { return ref; } private: std::string group; @@ -132,9 +136,7 @@ private: size_t data_len; bool written; - std::string name; - - std::set refs; + ObjectReference ref; }; #endif // _LBS_STORE_H