1 files changed, 108 insertions, 0 deletions
diff --git a/src/ipmiblob/blob_handler.hpp b/src/ipmiblob/blob_handler.hpp
new file mode 100644
index 0000000..cbac9d4
--- /dev/null
+++ b/src/ipmiblob/blob_handler.hpp
@@ -0,0 +1,108 @@
+#pragma once
+
+#include "blob_interface.hpp"
+#include "ipmi_interface.hpp"
+
+namespace host_tool
+{
+
+class BlobHandler : public BlobInterface
+{
+  public:
+    enum BlobOEMCommands
+    {
+        bmcBlobGetCount = 0,
+        bmcBlobEnumerate = 1,
+        bmcBlobOpen = 2,
+        bmcBlobRead = 3,
+        bmcBlobWrite = 4,
+        bmcBlobCommit = 5,
+        bmcBlobClose = 6,
+        bmcBlobDelete = 7,
+        bmcBlobStat = 8,
+        bmcBlobSessionStat = 9,
+        bmcBlobWriteMeta = 10,
+    };
+
+    explicit BlobHandler(IpmiInterface* ipmi) : ipmi(ipmi){};
+
+    /**
+     * Retrieve the blob count.
+     *
+     * @return the number of blob_ids found (0 on failure).
+     */
+    int getBlobCount();
+
+    /**
+     * Given an index into the list of blobs, return the name.
+     *
+     * @param[in] index - the index into the list of blob ids.
+     * @return the name as a string or empty on failure.
+     */
+    std::string enumerateBlob(std::uint32_t index);
+
+    /**
+     * @throws BlobException.
+     */
+    void writeMeta(std::uint16_t session, std::uint32_t offset,
+                   const std::vector<std::uint8_t>& bytes) override;
+
+    /**
+     * @throw BlobException.
+     */
+    void writeBytes(std::uint16_t session, std::uint32_t offset,
+                    const std::vector<std::uint8_t>& bytes) override;
+
+    std::vector<std::string> getBlobList() override;
+
+    /**
+     * @throws BlobException.
+     */
+    StatResponse getStat(const std::string& id) override;
+
+    /**
+     * @throws BlobException.
+     */
+    std::uint16_t openBlob(const std::string& id,
+                           std::uint16_t handlerFlags) override;
+
+    void closeBlob(std::uint16_t session) override;
+
+    /**
+     * @throws BlobException.
+     */
+    std::vector<std::uint8_t> readBytes(std::uint16_t session,
+                                        std::uint32_t offset,
+                                        std::uint32_t length) override;
+
+  private:
+    /**
+     * Send the contents of the payload to IPMI, this method handles wrapping
+     * with the OEN, subcommand and CRC.
+     *
+     * @param[in] command - the blob command.
+     * @param[in] payload - the payload bytes.
+     * @return the bytes returned from the ipmi interface.
+     * @throws BlobException.
+     */
+    std::vector<std::uint8_t>
+        sendIpmiPayload(BlobOEMCommands command,
+                        const std::vector<std::uint8_t>& payload);
+
+    /**
+     * Generic blob byte writer.
+     *
+     * @param[in] command - the command associated with this write.
+     * @param[in] session - the session id.
+     * @param[in] offset - the offset for the metadata to write.
+     * @param[in] bytes - the bytes to send.
+     * @throws BlobException on failure.
+     */
+    void writeGeneric(BlobOEMCommands command, std::uint16_t session,
+                      std::uint32_t offset,
+                      const std::vector<std::uint8_t>& bytes);
+
+    IpmiInterface* ipmi;
+};
+
+} // namespace host_tool