initial code repo

[stor4nfv.git] / src / ceph / src / rgw / rgw_lib.h

diff --git a/src/ceph/src/rgw/rgw_lib.h b/src/ceph/src/rgw/rgw_lib.h
new file mode 100644 (file)
index 0000000..0ddaa54
--- /dev/null
+++ b/src/ceph/src/rgw/rgw_lib.h
@@ -0,0 +1,222 @@
+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+#ifndef RGW_LIB_H
+#define RGW_LIB_H
+
+#include <mutex>
+#include "include/unordered_map.h"
+#include "global/global_init.h"
+#include "rgw_common.h"
+#include "rgw_client_io.h"
+#include "rgw_rest.h"
+#include "rgw_request.h"
+#include "rgw_frontend.h"
+#include "rgw_process.h"
+#include "rgw_rest_s3.h" // RGW_Auth_S3
+#include "rgw_ldap.h"
+#include "include/assert.h"
+
+class OpsLogSocket;
+
+namespace rgw {
+
+  class RGWLibFrontend;
+
+  class RGWLib {
+    RGWFrontendConfig* fec;
+    RGWLibFrontend* fe;
+    OpsLogSocket* olog;
+    rgw::LDAPHelper* ldh{nullptr};
+    RGWREST rest; // XXX needed for RGWProcessEnv
+    RGWRados* store;
+    boost::intrusive_ptr<CephContext> cct;
+
+  public:
+    RGWLib() : fec(nullptr), fe(nullptr), olog(nullptr), store(nullptr)
+      {}
+    ~RGWLib() {}
+
+    RGWRados* get_store() { return store; }
+
+    RGWLibFrontend* get_fe() { return fe; }
+
+    rgw::LDAPHelper* get_ldh() { return ldh; }
+
+    int init();
+    int init(vector<const char *>& args);
+    int stop();
+  };
+
+  extern RGWLib rgwlib;
+
+/* request interface */
+
+  class RGWLibIO : public rgw::io::BasicClient,
+                   public rgw::io::Accounter
+  {
+    RGWUserInfo user_info;
+    RGWEnv env;
+  public:
+    RGWLibIO() {
+      get_env().set("HTTP_HOST", "");
+    }
+    RGWLibIO(const RGWUserInfo &_user_info)
+      : user_info(_user_info) {}
+
+    void init_env(CephContext *cct) override {}
+
+    const RGWUserInfo& get_user() {
+      return user_info;
+    }
+
+    int set_uid(RGWRados* store, const rgw_user& uid);
+
+    int write_data(const char *buf, int len);
+    int read_data(char *buf, int len);
+    int send_status(int status, const char *status_name);
+    int send_100_continue();
+    int complete_header();
+    int send_content_length(uint64_t len);
+
+    RGWEnv& get_env() noexcept override {
+      return env;
+    }
+
+    size_t complete_request() override { /* XXX */
+      return 0;
+    };
+
+    void set_account(bool) override {
+      return;
+    }
+
+    uint64_t get_bytes_sent() const override {
+      return 0;
+    }
+
+    uint64_t get_bytes_received() const override {
+      return 0;
+    }
+
+  }; /* RGWLibIO */
+
+/* XXX */
+  class RGWRESTMgr_Lib : public RGWRESTMgr {
+  public:
+    RGWRESTMgr_Lib() {}
+    ~RGWRESTMgr_Lib() override {}
+  }; /* RGWRESTMgr_Lib */
+
+/* XXX */
+  class RGWHandler_Lib : public RGWHandler {
+    friend class RGWRESTMgr_Lib;
+  public:
+
+    int authorize() override;
+
+    RGWHandler_Lib() {}
+    ~RGWHandler_Lib() override {}
+    static int init_from_header(struct req_state *s);
+  }; /* RGWHandler_Lib */
+
+  class RGWLibRequest : public RGWRequest,
+                       public RGWHandler_Lib {
+  public:
+    CephContext* cct;
+    RGWUserInfo* user;
+
+    /* unambiguiously return req_state */
+    inline struct req_state* get_state() { return this->RGWRequest::s; }
+
+    RGWLibRequest(CephContext* _cct, RGWUserInfo* _user)
+      :  RGWRequest(0), cct(_cct), user(_user)
+      {}
+
+    RGWUserInfo* get_user() { return user; }
+
+  int postauth_init() override { return 0; }
+
+    /* descendant equivalent of *REST*::init_from_header(...):
+     * prepare request for execute()--should mean, fixup URI-alikes
+     * and any other expected stat vars in local req_state, for
+     * now */
+    virtual int header_init() = 0;
+
+    /* descendant initializer responsible to call RGWOp::init()--which
+     * descendants are required to inherit */
+    virtual int op_init() = 0;
+
+    using RGWHandler::init;
+
+    int init(const RGWEnv& rgw_env, RGWObjectCtx* rados_ctx,
+            RGWLibIO* io, struct req_state* _s) {
+
+      RGWRequest::init_state(_s);
+      RGWHandler::init(rados_ctx->store, _s, io);
+
+      /* fixup _s->req */
+      _s->req = this;
+
+      log_init();
+
+      get_state()->obj_ctx = rados_ctx;
+      get_state()->req_id = store->unique_id(id);
+      get_state()->trans_id = store->unique_trans_id(id);
+
+      log_format(_s, "initializing for trans_id = %s",
+                get_state()->trans_id.c_str());
+
+      int ret = header_init();
+      if (ret == 0) {
+       ret = init_from_header(_s);
+      }
+      return ret;
+    }
+
+    virtual bool only_bucket() = 0;
+
+    int read_permissions(RGWOp *op) override;
+
+  }; /* RGWLibRequest */
+
+  class RGWLibContinuedReq : public RGWLibRequest {
+    RGWLibIO io_ctx;
+    struct req_state rstate;
+    RGWObjectCtx rados_ctx;
+  public:
+
+    RGWLibContinuedReq(CephContext* _cct, RGWUserInfo* _user)
+      :  RGWLibRequest(_cct, _user), io_ctx(),
+        rstate(_cct, &io_ctx.get_env(), _user), rados_ctx(rgwlib.get_store(),
+                                                          &rstate)
+      {
+       io_ctx.init(_cct);
+
+       RGWRequest::init_state(&rstate);
+       RGWHandler::init(rados_ctx.store, &rstate, &io_ctx);
+
+       /* fixup _s->req */
+       get_state()->req = this;
+
+       log_init();
+
+       get_state()->obj_ctx = &rados_ctx;
+       get_state()->req_id = store->unique_id(id);
+       get_state()->trans_id = store->unique_trans_id(id);
+
+       log_format(get_state(), "initializing for trans_id = %s",
+                  get_state()->trans_id.c_str());
+      }
+
+    inline RGWRados* get_store() { return store; }
+
+    virtual int execute() final { abort(); }
+    virtual int exec_start() = 0;
+    virtual int exec_continue() = 0;
+    virtual int exec_finish() = 0;
+
+  }; /* RGWLibContinuedReq */
+
+} /* namespace rgw */
+
+#endif /* RGW_LIB_H */