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IoAction.h
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1/*
2 * Copyright (C) 1996-2025 The Squid Software Foundation and contributors
3 *
4 * Squid software is distributed under GPLv2+ license and includes
5 * contributions from numerous individuals and organizations.
6 * Please see the COPYING and CONTRIBUTORS files for details.
7 */
8
9/* DEBUG: section 16 Cache Manager API */
10
11#ifndef SQUID_SRC_MGR_IOACTION_H
12#define SQUID_SRC_MGR_IOACTION_H
13
14#include "IoStats.h"
15#include "mgr/Action.h"
16
17namespace Mgr
18{
19
22{
23public:
26
27public:
28 double http_reads;
29 double ftp_reads;
32};
33
35class IoAction: public Action
36{
37protected:
39
40public:
41 static Pointer Create(const CommandPointer &cmd);
42 /* Action API */
43 void add(const Action& action) override;
44 void pack(Ipc::TypedMsgHdr& msg) const override;
45 void unpack(const Ipc::TypedMsgHdr& msg) override;
46
47protected:
48 /* Action API */
49 void collect() override;
50 void dump(StoreEntry* entry) override;
51
52private:
54};
55
56} // namespace Mgr
57
58#endif /* SQUID_SRC_MGR_IOACTION_H */
59
static const int histSize
Definition IoStats.h:16
struct msghdr with a known type, fixed-size I/O and control buffers
Definition TypedMsgHdr.h:35
const CommandPointer cmd
the command that caused this action
Definition Action.h:90
store size histograms of network read() from peer server
Definition IoAction.h:22
double http_reads
Definition IoAction.h:28
IoActionData & operator+=(const IoActionData &stats)
Definition IoAction.cc:30
double ftp_read_hist[IoStats::histSize]
Definition IoAction.h:31
double http_read_hist[IoStats::histSize]
Definition IoAction.h:30
implement aggregated 'io' action
Definition IoAction.h:36
void collect() override
calculate and keep local action-specific information
Definition IoAction.cc:62
void dump(StoreEntry *entry) override
Definition IoAction.cc:68
IoActionData data
Definition IoAction.h:53
void unpack(const Ipc::TypedMsgHdr &msg) override
unpack action info from the message received by Coordinator
Definition IoAction.cc:83
void add(const Action &action) override
incrementally merge in remote information (of the same action type)
Definition IoAction.cc:55
void pack(Ipc::TypedMsgHdr &msg) const override
pack collected action info into a message to be sent to Coordinator
Definition IoAction.cc:76
static Pointer Create(const CommandPointer &cmd)
Definition IoAction.cc:43
Cache Manager API.
Definition Action.h:21