XRootD
XrdXrootdResponse.hh
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1 #ifndef __XROOTD_RESPONSE_H__
2 #define __XROOTD_RESPONSE_H__
3 /******************************************************************************/
4 /* */
5 /* X r d X r o o t d R e s p o n s e . h h */
6 /* */
7 /* (c) 2004 by the Board of Trustees of the Leland Stanford, Jr., University */
8 /* Produced by Andrew Hanushevsky for Stanford University under contract */
9 /* DE-AC02-76-SFO0515 with the Department of Energy */
10 /* */
11 /* This file is part of the XRootD software suite. */
12 /* */
13 /* XRootD is free software: you can redistribute it and/or modify it under */
14 /* the terms of the GNU Lesser General Public License as published by the */
15 /* Free Software Foundation, either version 3 of the License, or (at your */
16 /* option) any later version. */
17 /* */
18 /* XRootD is distributed in the hope that it will be useful, but WITHOUT */
19 /* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or */
20 /* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public */
21 /* License for more details. */
22 /* */
23 /* You should have received a copy of the GNU Lesser General Public License */
24 /* along with XRootD in a file called COPYING.LESSER (LGPL license) and file */
25 /* COPYING (GPL license). If not, see <http://www.gnu.org/licenses/>. */
26 /* */
27 /* The copyright holder's institutional names and contributor's names may not */
28 /* be used to endorse or promote products derived from this software without */
29 /* specific prior written permission of the institution or contributor. */
30 /******************************************************************************/
31 
32 #include <cstring>
33 #include <unistd.h>
34 #include <sys/uio.h>
35 
36 #include "XProtocol/XProtocol.hh"
37 #include "XProtocol/XPtypes.hh"
39 
40 /******************************************************************************/
41 /* x r o o t d _ R e s p o n s e */
42 /******************************************************************************/
43 
44 class XrdLink;
45 class XrdOucSFVec;
46 class XrdXrootdTransit;
47 
49 {
50 public:
51 
52 const char *ID() {return (const char *)trsid;}
53 
54  int Send(void);
55  int Send(const char *msg);
56  int Send(XErrorCode ecode, const char *msg);
57  int Send(void *data, int dlen);
58  int Send(struct iovec *, int iovcnt, int iolen=-1);
59 
60  int Send(XResponseType rcode, void *data, int dlen);
61  int Send(XResponseType rcode, struct iovec *IOResp,
62  int iornum, int iolen=-1);
63  int Send(XResponseType rcode, int info, const char *data, int dsz=-1);
64 
65  int Send(int fdnum, long long offset, int dlen);
66  int Send(XrdOucSFVec *sfvec, int sfvnum, int dlen);
67 
68  int Send(ServerResponseStatus &, int iLen=0);
69  int Send(ServerResponseStatus &, int iLen, void *data, int dlen);
70  int Send(ServerResponseStatus &, int iLen,
71  struct iovec *, int iovcnt, int iolen=-1);
72 
73 static int Send(XrdXrootdReqID &ReqID, XResponseType Status,
74  struct iovec *IOResp, int iornum, int iolen);
75 
76 inline void Set(XrdLink *lp) {Link = lp;}
77 inline void Set(XrdXrootdTransit *tp) {Bridge = tp;}
78  void Set(kXR_char *stream);
79 
80  bool isOurs() {return Bridge == 0;}
81 
82  XrdLink *theLink() {return Link;}
83  void StreamID(kXR_char *sid) {sid[0] = Resp.streamid[0];
84  sid[1] = Resp.streamid[1];
85  }
86 
88  Set(rhs.Bridge);
89  Set(rhs.Resp.streamid);
90  }
91 
92  XrdXrootdResponse() {Link = 0; Bridge = 0; *trsid = '\0';
93  RespIO[0].iov_base = (caddr_t)&Resp;
94  RespIO[0].iov_len = sizeof(Resp);
95  }
97 
99  {Set(rhs.Link);
100  Set(rhs.Bridge);
101  Set((unsigned char *)rhs.Resp.streamid);
102  return *this;
103  }
104 
105 private:
106 int srsComplete(ServerResponseStatus &, int iLen, int dlen=0);
107 
108  XrdXrootdTransit *Bridge;
110  XrdLink *Link;
111 struct iovec RespIO[3];
112 
113  char trsid[8]; // sizeof() does not work here
114 static const char *TraceID;
115 };
116 #endif
XErrorCode
Definition: XProtocol.hh:989
kXR_char streamid[2]
Definition: XProtocol.hh:914
XResponseType
Definition: XProtocol.hh:898
unsigned char kXR_char
Definition: XPtypes.hh:65
XrdXrootdResponse & operator=(const XrdXrootdResponse &rhs)
void StreamID(kXR_char *sid)
void Set(XrdLink *lp)
XrdXrootdResponse(XrdXrootdResponse &rhs)
void Set(XrdXrootdTransit *tp)