| Directory: | cvmfs/ |
|---|---|
| File: | cvmfs/quota.cc |
| Date: | 2024-04-28 02:33:07 |
| Exec | Total | Coverage | |
|---|---|---|---|
| Lines: | 34 | 35 | 97.1% |
| Branches: | 20 | 37 | 54.1% |
| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | /** | ||
| 2 | * This file is part of the CernVM File System. | ||
| 3 | */ | ||
| 4 | |||
| 5 | #include "cvmfs_config.h" | ||
| 6 | #include "quota.h" | ||
| 7 | |||
| 8 | #include <errno.h> | ||
| 9 | #include <unistd.h> | ||
| 10 | |||
| 11 | #include <cstdlib> | ||
| 12 | |||
| 13 | #include "util/concurrency.h" | ||
| 14 | #include "util/logging.h" | ||
| 15 | #include "util/smalloc.h" | ||
| 16 | |||
| 17 | using namespace std; // NOLINT | ||
| 18 | |||
| 19 | const uint32_t QuotaManager::kProtocolRevision = 2; | ||
| 20 | |||
| 21 | 1008 | void QuotaManager::BroadcastBackchannels(const string &message) { | |
| 22 |
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1008 | assert(message.length() > 0); |
| 23 | 1008 | MutexLockGuard lock_guard(*lock_back_channels_); | |
| 24 | |||
| 25 | 2016 | for (map<shash::Md5, int>::iterator i = back_channels_.begin(), | |
| 26 |
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2025 | iend = back_channels_.end(); i != iend; ) |
| 27 | { | ||
| 28 |
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9 | LogCvmfs(kLogQuota, kLogDebug, "broadcasting %s to %s", |
| 29 |
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18 | message.c_str(), i->first.ToString().c_str()); |
| 30 |
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9 | int written = write(i->second, message.data(), message.length()); |
| 31 |
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9 | if (written < 0) written = 0; |
| 32 |
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9 | if (static_cast<unsigned>(written) != message.length()) { |
| 33 | 1 | bool remove_backchannel = errno != EAGAIN; | |
| 34 |
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1 | LogCvmfs(kLogQuota, kLogDebug | kLogSyslogWarn, |
| 35 | "failed to broadcast '%s' to %s (written %d, error %d)", | ||
| 36 |
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2 | message.c_str(), i->first.ToString().c_str(), written, errno); |
| 37 |
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1 | if (remove_backchannel) { |
| 38 |
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1 | LogCvmfs(kLogQuota, kLogDebug | kLogSyslogWarn, |
| 39 |
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2 | "removing back channel %s", i->first.ToString().c_str()); |
| 40 | 1 | map<shash::Md5, int>::iterator remove_me = i; | |
| 41 | 1 | ++i; | |
| 42 |
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1 | close(remove_me->second); |
| 43 |
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1 | back_channels_.erase(remove_me); |
| 44 | } else { | ||
| 45 | ✗ | ++i; | |
| 46 | } | ||
| 47 | } else { | ||
| 48 | 8 | ++i; | |
| 49 | } | ||
| 50 | } | ||
| 51 | 1008 | } | |
| 52 | |||
| 53 | |||
| 54 | 407 | QuotaManager::QuotaManager() : protocol_revision_(0) { | |
| 55 | 407 | lock_back_channels_ = | |
| 56 | 407 | reinterpret_cast<pthread_mutex_t *>(smalloc(sizeof(pthread_mutex_t))); | |
| 57 | 407 | int retval = pthread_mutex_init(lock_back_channels_, NULL); | |
| 58 |
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407 | assert(retval == 0); |
| 59 | 407 | } | |
| 60 | |||
| 61 | |||
| 62 | 704 | QuotaManager::~QuotaManager() { | |
| 63 | 1408 | for (map<shash::Md5, int>::iterator i = back_channels_.begin(), | |
| 64 |
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1410 | iend = back_channels_.end(); i != iend; ++i) |
| 65 | { | ||
| 66 | 2 | close(i->second); | |
| 67 | } | ||
| 68 | 704 | pthread_mutex_destroy(lock_back_channels_); | |
| 69 | 704 | free(lock_back_channels_); | |
| 70 | } | ||
| 71 |