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91fcc471 TJ |
1 | /* |
2 | The software in this package is distributed under the GNU General | |
3 | Public License version 2 (with a special exception described below). | |
4 | ||
5 | A copy of GNU General Public License (GPL) is included in this distribution, | |
6 | in the file COPYING.GPL. | |
7 | ||
8 | As a special exception, if other files instantiate templates or use macros | |
9 | or inline functions from this file, or you compile this file and link it | |
10 | with other works to produce a work based on this file, this file | |
11 | does not by itself cause the resulting work to be covered | |
12 | by the GNU General Public License. | |
13 | ||
14 | However the source code for this file must still be made available | |
15 | in accordance with section (3) of the GNU General Public License. | |
16 | ||
17 | This exception does not invalidate any other reasons why a work based | |
18 | on this file might be covered by the GNU General Public License. | |
19 | */ | |
6c14bbee GMF |
20 | #ifndef HOST_STATUS_H |
21 | #define HOST_STATUS_H | |
ddf41c89 GMF |
22 | |
23 | #include <string> | |
24 | ||
96c4e7a4 | 25 | #include "host/pingstatus.h" |
72e54d1c | 26 | #include "link/linkstatus.h" |
ddf41c89 GMF |
27 | |
28 | //----------------------------------------------------------------------------- | |
6c14bbee | 29 | // HostStatus |
ddf41c89 GMF |
30 | //----------------------------------------------------------------------------- |
31 | ||
c5e4bfa1 | 32 | /** |
c01a6023 GMF |
33 | * @brief This class analyze the host status (up or down) based on the pings |
34 | * responses (success or failure). And notifies its status. | |
c5e4bfa1 GMF |
35 | * Scope: one object per host. |
36 | */ | |
6c14bbee | 37 | class HostStatus |
ddf41c89 GMF |
38 | { |
39 | public: | |
6c14bbee | 40 | HostStatus( |
ddf41c89 | 41 | const std::string &host_address, |
cd4048df | 42 | const int ping_fail_limit_percentage, |
91aa83f9 | 43 | const int n_parallel_pings, |
c6c54dfb | 44 | const LinkStatusItem link_analyzer |
ddf41c89 | 45 | ); |
6c14bbee | 46 | ~HostStatus(); |
ddf41c89 GMF |
47 | |
48 | void set_resolved_ip_count( const int resolved_ip_count ); | |
a341119a | 49 | bool exceeded_ping_failed_limit() const; |
96c4e7a4 CH |
50 | void update_ping_statistics( const PingStatus &ping_success, |
51 | const long ping_duration_us ); | |
ddf41c89 GMF |
52 | |
53 | private: | |
d8a91bd6 GMF |
54 | bool tried_all_resolved_ip() const; |
55 | void analyze_ping_statistics(); | |
c1fff16a | 56 | void reset_ping_counters(); |
c5e4bfa1 GMF |
57 | void increase_ping_performed_count(); |
58 | void increase_ping_failed_count(); | |
6827496c | 59 | void analyze_ping_failed_count(); |
ddf41c89 GMF |
60 | |
61 | private: | |
d3e8a9f9 | 62 | /// the DNS address of the host to analyze |
c1fff16a | 63 | std::string HostAddress; |
d3e8a9f9 | 64 | /// the object responsible to analyze the link |
c6c54dfb | 65 | const LinkStatusItem LinkAnalyzer; |
d3e8a9f9 | 66 | /// the maximum amount of pings that can fail without warning |
cd4048df | 67 | int PingFailLimitPercentage; |
d3e8a9f9 | 68 | /// the amount of IPs that are aliases to the host DNS |
ddf41c89 | 69 | int ResolvedIpCount; |
d3e8a9f9 | 70 | /// the amount of pings sent until now |
ddf41c89 | 71 | int PingsPerformedCount; |
d3e8a9f9 | 72 | /// the amount of pings sent that failed until now |
ddf41c89 | 73 | int PingsFailedCount; |
d3e8a9f9 GMF |
74 | /// boolean flag that indicate if the last set of failed pings exceed the |
75 | /// limit | |
a341119a | 76 | bool ExceededPingFailedLimit; |
91aa83f9 CH |
77 | /// number of pingers that ping the same IP in parallel |
78 | int NParallelPingers; | |
ddf41c89 GMF |
79 | |
80 | }; | |
81 | ||
6c14bbee | 82 | #endif // HOST_STATUS_H |