Patrick Venture | 59a6b1f | 2018-08-29 11:41:01 -0700 | [diff] [blame] | 1 | #pragma once |
| 2 | |
| 3 | #include <systemd/sd-journal.h> |
| 4 | |
| 5 | #include <cstdarg> |
| 6 | |
| 7 | namespace phosphor |
| 8 | { |
| 9 | namespace logging |
| 10 | { |
| 11 | |
| 12 | /** |
| 13 | * Implementation that calls into real sd_journal methods. |
| 14 | */ |
| 15 | class SdJournalHandler |
| 16 | { |
| 17 | public: |
| 18 | SdJournalHandler() = default; |
| 19 | virtual ~SdJournalHandler() = default; |
| 20 | SdJournalHandler(const SdJournalHandler&) = default; |
| 21 | SdJournalHandler& operator=(const SdJournalHandler&) = default; |
| 22 | SdJournalHandler(SdJournalHandler&&) = default; |
| 23 | SdJournalHandler& operator=(SdJournalHandler&&) = default; |
| 24 | |
| 25 | /** |
| 26 | * Provide a fake method that's called by the real method so we can catch |
| 27 | * the journal_send call in testing. |
| 28 | * |
| 29 | * @param[in] fmt - the format string passed into journal_send. |
| 30 | * @return an int meant to be intepreted by the journal_send caller during |
| 31 | * testing. |
| 32 | */ |
| 33 | virtual int journal_send_call(const char* fmt) |
| 34 | { |
| 35 | return 0; |
| 36 | }; |
| 37 | |
| 38 | /** |
| 39 | * Send the information to sd_journal_send. |
| 40 | * |
| 41 | * @param[in] fmt - c string format. |
| 42 | * @param[in] ... - parameters. |
| 43 | * @return value from sd_journal_send |
| 44 | * |
| 45 | * sentinel default makes sure the last parameter is null. |
| 46 | */ |
| 47 | virtual int journal_send(const char* fmt, ...) |
| 48 | __attribute__((format(printf, 2, 0))) __attribute__((sentinel)) |
| 49 | { |
| 50 | va_list args; |
| 51 | va_start(args, fmt); |
| 52 | |
| 53 | int rc = ::sd_journal_send(fmt, args, NULL); |
| 54 | va_end(args); |
| 55 | |
| 56 | return rc; |
| 57 | } |
| 58 | }; |
| 59 | |
| 60 | extern SdJournalHandler* sdjournal_ptr; |
| 61 | |
| 62 | /** |
| 63 | * Swap out the sdjournal_ptr used by log<> such that a test |
| 64 | * won't need to hit the real sd_journal and fail. |
| 65 | * |
| 66 | * @param[in] with - pointer to your sdjournal_mock object. |
| 67 | * @return pointer to the previously stored sdjournal_ptr. |
| 68 | */ |
Patrick Venture | 7bb7a77 | 2018-12-04 14:43:21 -0800 | [diff] [blame] | 69 | SdJournalHandler* SwapJouralHandler(SdJournalHandler* with); |
Patrick Venture | 59a6b1f | 2018-08-29 11:41:01 -0700 | [diff] [blame] | 70 | |
| 71 | } // namespace logging |
| 72 | } // namespace phosphor |