[git-generate]
gofmt -w -s ./packetbeat

Note that a recent gofumpt is required since the latest release panics in
procs/zsyscall_windows.go.

[git-generate]
go install mvdan.cc/gofumpt@7ca7e6c
gofumpt -w ./packetbeat

Address the following output from staticcheck. Checked lines are fixed here.

- [ ] beater/processor.go:143:15: error strings should not be capitalized (ST1005)
- [ ] decoder/decoder.go:142:15: error strings should not be capitalized (ST1005)
- [ ] flows/flowid_test.go:57:6: func addUDP is unused (U1000)
- [x] flows/flows_test.go:58:2: this value of err is never used (SA4006)
- [x] flows/flows_test.go:59:2: this value of err is never used (SA4006)
- [x] flows/flows_test.go:60:2: this value of err is never used (SA4006)
- [x] flows/flows_test.go:61:2: this value of err is never used (SA4006)
- [x] flows/flows_test.go:62:2: this value of err is never used (SA4006)
- [x] flows/worker.go:110:17: should use time.Until instead of t.Sub(time.Now()) (S1024)
- [ ] pb/event.go:435:13: error strings should not be capitalized (ST1005)
- [x] procs/procs.go:216:55: should use time.Since instead of time.Now().Sub (S1012)
- [x] protos/amqp/amqp.go:90:5: should omit comparison to bool constant, can be simplified to !amqp.hideConnectionInformation (S1002)
- [ ] protos/amqp/amqp_fields.go:48:4: this value of fields is never used (SA4006) **BUG**
- [ ] protos/amqp/amqp_fields.go:73:4: this value of fields is never used (SA4006) **BUG**
- [x] protos/amqp/amqp_parser.go:77:22: func (*amqpStream).prepareForNewMessage is unused (U1000)
- [x] protos/amqp/amqp_parser.go:162:5: should omit comparison to bool constant, can be simplified to amqp.parseHeaders (S1002)
- [x] protos/amqp/amqp_parser.go:345:12: should omit comparison to bool constant, can be simplified to m.isRequest (S1002)
- [x] protos/amqp/amqp_parser.go:347:12: should omit comparison to bool constant, can be simplified to !m.isRequest (S1002)
- [x] protos/amqp/amqp_parser.go:353:9: should omit comparison to bool constant, can be simplified to amqp.hideConnectionInformation (S1002)
- [x] protos/amqp/amqp_test.go:672:2: this value of private is never used (SA4006)
- [x] protos/amqp/amqp_test.go:739:2: this value of private is never used (SA4006)
- [x] protos/cassandra/cassandra.go:203:25: func (*connection).dropStreams is unused (U1000)
- [ ] protos/cassandra/internal/gocql/array_decoder.go:29:6: func readInt is unused (U1000)
- [ ] protos/cassandra/internal/gocql/marshal.go:279:6: func getApacheCassandraType is unused (U1000)
- [x] protos/cassandra/internal/gocql/marshal.go:352:7: receiver name should be a reflection of its identity; don't use generic names such as "this" or "self" (ST1006)
- [ ] protos/cassandra/internal/gocql/marshal.go:569:2: const flagValues is unused (U1000)
- [ ] protos/cassandra/internal/gocql/marshal.go:570:2: const flagSkipMetaData is unused (U1000)
- [ ] protos/cassandra/internal/gocql/marshal.go:571:2: const flagPageSize is unused (U1000)
- [ ] protos/cassandra/internal/gocql/marshal.go:572:2: const flagWithPagingState is unused (U1000)
- [ ] protos/cassandra/internal/gocql/marshal.go:573:2: const flagWithSerialConsistency is unused (U1000)
- [ ] protos/cassandra/internal/gocql/marshal.go:574:2: const flagDefaultTimestamp is unused (U1000)
- [ ] protos/cassandra/internal/gocql/marshal.go:575:2: const flagWithNameValues is unused (U1000)
- [x] protos/cassandra/parser.go:72:2: field transactionTimeout is unused (U1000)
- [ ] protos/cassandra/parser.go:79:22: error strings should not be capitalized (ST1005)
- [x] protos/cassandra/pub.go:36:2: field ignoredOps is unused (U1000)
- [ ] protos/dhcpv4/option_ip_addresses.go:42:15: error strings should not be capitalized (ST1005)
- [x] protos/dns/dns.go:68:2: const query is unused (U1000)
- [x] protos/dns/dns.go:69:2: const response is unused (U1000)
- [x] protos/dns/dns.go:206:2: field responseTime is unused (U1000)
- [x] protos/http/http.go:929:24: func (*messageList).last is unused (U1000)
- [ ] protos/http/http_parser.go:264:18: error strings should not be capitalized (ST1005)
- [ ] protos/http/http_parser.go:271:16: error strings should not be capitalized (ST1005)
- [x] protos/http/http_test.go:59:22: func (*eventStore).empty is unused (U1000)
- [x] protos/http/http_test.go:541:2: this value of msg is never used (SA4006)
- [x] protos/http/http_test.go:647:2: this value of complete is never used (SA4006)
- [x] protos/http/http_test.go:647:2: this value of ok is never used (SA4006)
- [x] protos/http/http_test.go:653:2: this value of complete is never used (SA4006)
- [x] protos/http/http_test.go:653:2: this value of ok is never used (SA4006)
- [x] protos/http/http_test.go:658:2: this value of complete is never used (SA4006)
- [x] protos/http/http_test.go:658:2: this value of ok is never used (SA4006)
- [x] protos/http/http_test.go:673:2: this value of complete is never used (SA4006)
- [x] protos/http/http_test.go:673:2: this value of ok is never used (SA4006)
- [x] protos/icmp/icmp.go:260:25: func (*icmpPlugin).getTransaction is unused (U1000)
- [ ] protos/icmp/message.go:93:2: logp.WTF is deprecated: Use logp.NewLogger and its Panic or DPanic methods.  (SA1019)
- [ ] protos/icmp/message.go:104:2: logp.WTF is deprecated: Use logp.NewLogger and its Panic or DPanic methods.  (SA1019)
- [ ] protos/icmp/message.go:115:2: logp.WTF is deprecated: Use logp.NewLogger and its Panic or DPanic methods.  (SA1019)
- [ ] protos/icmp/message.go:136:2: logp.WTF is deprecated: Use logp.NewLogger and its Panic or DPanic methods.  (SA1019)
- [ ] protos/icmp/message.go:147:2: logp.WTF is deprecated: Use logp.NewLogger and its Panic or DPanic methods.  (SA1019)
- [x] protos/memcache/binary.go:31:6: type memcacheMagic is unused (U1000)
- [x] protos/memcache/binary.go:60:2: var extraValue is unused (U1000)
- [ ] protos/memcache/errors.go:26:5: var errNotImplemented is unused (U1000)
- [ ] protos/memcache/errors.go:33:2: var errExpectedNumber is unused (U1000)
- [ ] protos/memcache/errors.go:35:2: var errExpectedCRLF is unused (U1000)
- [ ] protos/memcache/errors.go:54:2: var errResponseUnknownTransaction is unused (U1000)
- [x] protos/memcache/parse.go:29:2: const codeSpace is unused (U1000)
- [x] protos/memcache/parse.go:29:2: only the first constant in this group has an explicit type (SA9004)
- [x] protos/memcache/parse.go:30:2: const codeTab is unused (U1000)
- [x] protos/memcache/plugin_tcp.go:63:7: const defaultTCPTransDuration is unused (U1000)
- [ ] protos/memcache/plugin_tcp.go:377:4: logp.WTF is deprecated: Use logp.NewLogger and its Panic or DPanic methods.  (SA1019)
- [x] protos/memcache/text.go:410:6: func makeValue2Arg is unused (U1000)
- [x] protos/mongodb/mongodb_parser.go:118:2: this value of err is never used (SA4006)
- [x] protos/mongodb/mongodb_parser.go:119:2: this value of err is never used (SA4006)
- [x] protos/mongodb/mongodb_parser.go:120:2: this value of err is never used (SA4006)
- [x] protos/mongodb/mongodb_parser.go:165:2: this value of err is never used (SA4006)
- [x] protos/mongodb/mongodb_parser.go:166:2: this value of err is never used (SA4006)
- [x] protos/mongodb/mongodb_parser.go:167:2: this value of err is never used (SA4006)
- [x] protos/mongodb/mongodb_parser.go:169:2: this value of err is never used (SA4006)
- [x] protos/mongodb/mongodb_parser.go:181:2: this value of err is never used (SA4006)
- [x] protos/mongodb/mongodb_parser.go:232:2: this value of err is never used (SA4006)
- [x] protos/mongodb/mongodb_parser.go:233:2: this value of err is never used (SA4006)
- [x] protos/mongodb/mongodb_parser.go:236:2: this value of err is never used (SA4006)
- [x] protos/mongodb/mongodb_parser.go:237:2: this value of err is never used (SA4006)
- [x] protos/mongodb/mongodb_parser.go:277:2: this value of err is never used (SA4006)
- [x] protos/mongodb/mongodb_parser.go:278:2: this value of err is never used (SA4006)
- [x] protos/mongodb/mongodb_parser.go:279:2: this value of err is never used (SA4006)
- [x] protos/mongodb/mongodb_parser.go:290:2: this value of err is never used (SA4006)
- [x] protos/mongodb/mongodb_parser.go:291:2: this value of err is never used (SA4006)
- [x] protos/mongodb/mongodb_parser.go:292:2: this value of err is never used (SA4006)
- [ ] protos/mongodb/mongodb_parser.go:401:13: error strings should not be capitalized (ST1005)
- [x] protos/mongodb/mongodb_parser.go:436:2: this value of err is never used (SA4006)
- [x] protos/mongodb/mongodb_parser.go:461:2: this value of err is never used (SA4006)
- [ ] protos/mongodb/mongodb_parser.go:470:24: error strings should not be capitalized (ST1005)
- [x] protos/mongodb/mongodb_test.go:163:2: this value of err is never used (SA4006)
- [x] protos/mongodb/mongodb_test.go:174:2: this value of err is never used (SA4006)
- [x] protos/mysql/mysql.go:65:2: field fields is unused (U1000)
- [x] protos/mysql/mysql.go:66:2: field rows is unused (U1000)
- [x] protos/mysql/mysql.go:86:2: field params is unused (U1000)
- [x] protos/mysql/mysql.go:944:4: empty branch (SA9003)
- [x] protos/mysql/mysql_test.go:52:22: func (*eventStore).empty is unused (U1000)
- [x] protos/mysql/mysql_test.go:679:3: this value of private is never used (SA4006)
- [x] protos/nfs/xdr.go:43:15: func (*xdr).getInt is unused (U1000)
- [x] protos/nfs/xdr.go:55:15: func (*xdr).getHyper is unused (U1000)
- [x] protos/pgsql/pgsql.go:432:5: should omit nil check; len() for nil slices is defined as zero (S1009)
- [x] protos/pgsql/pgsql_test.go:49:22: func (*eventStore).empty is unused (U1000)
- [x] protos/protos_test.go:74:2: redundant return statement (S1023)
- [x] protos/protos_test.go:103:2: redundant return statement (S1023)
- [ ] protos/sip/parser.go:254:18: error strings should not be capitalized (ST1005)
- [ ] protos/sip/parser.go:261:16: error strings should not be capitalized (ST1005)
- [x] protos/tcp/tcp.go:291:6: func tcpSeqBefore is unused (U1000)
- [ ] protos/tcp/tcp.go:309:17: error strings should not be capitalized (ST1005)
- [x] protos/tcp/tcp_test.go:200:76: redundant return statement (S1023)
- [ ] protos/thrift/thrift.go:272:10: error strings should not be capitalized (ST1005)
- [ ] protos/thrift/thrift.go:279:10: error strings should not be capitalized (ST1005)
- [x] protos/thrift/thrift_idl.go:52:28: should use make([]*string, max + 1) instead (S1019)
- [ ] protos/thrift/thrift_idl.go:94:19: error strings should not be capitalized (ST1005)
- [x] protos/thrift/thrift_test.go:125:2: this value of m is never used (SA4006)
- [x] protos/thrift/thrift_test.go:133:2: this value of m is never used (SA4006)
- [x] protos/thrift/thrift_test.go:153:2: this value of m is never used (SA4006)
- [ ] protos/tls/alerts.go:72:15: error strings should not be capitalized (ST1005)
- [ ] protos/tls/parse.go:21:2: package crypto/dsa is deprecated: DSA is a legacy algorithm, and modern alternatives such as Ed25519 (implemented by package crypto/ed25519) should be used instead. Keys with 1024-bit moduli (L1024N160 parameters) are cryptographically weak, while bigger keys are not widely supported. Note that FIPS 186-5 no longer approves DSA for signature generation.  (SA1019)
- [x] protos/tls/parse.go:56:2: only the first constant in this group has an explicit type (SA9004)
- [x] protos/tls/parse.go:65:2: only the first constant in this group has an explicit type (SA9004)
- [x] protos/tls/parse_test.go:128:6: func mapInt is unused (U1000)
- [x] protos/tls/parse_test.go:175:2: this value of err is never used (SA4006)
- [x] protos/tls/tls.go:175:5: don't use Yoda conditions (ST1017)
- [x] protos/tls/tls_test.go:327:2: this value of err is never used (SA4006)
- [x] protos/tls/tls_test.go:390:2: this value of err is never used (SA4006)
- [x] protos/tls/tls_test.go:402:2: this value of err is never used (SA4006)
- [x] protos/tls/tls_test.go:434:2: this value of err is never used (SA4006)
- [x] protos/tls/tls_test.go:441:2: this value of err is never used (SA4006)
- [ ] protos/udp/udp.go:93:17: error strings should not be capitalized (ST1005)
- [x] protos/udp/udp_test.go:81:2: redundant return statement (S1023)
- [ ] scripts/mage/config.go:28:2: const configTemplateGlob is unused (U1000)
- [ ] scripts/mage/package.go:69:4: the surrounding loop is unconditionally terminated (SA4004)
- [ ] sniffer/afpacket.go:40:19: error strings should not be capitalized (ST1005)
- [ ] sniffer/afpacket_nonlinux.go:36:14: error strings should not be capitalized (ST1005)
- [ ] sniffer/afpacket_nonlinux.go:40:19: error strings should not be capitalized (ST1005)
- [ ] sniffer/afpacket_nonlinux.go:44:9: error strings should not be capitalized (ST1005)
- [x] sniffer/device.go:65:13: the argument is already a string, there's no need to use fmt.Sprintf (S1025)
- [ ] sniffer/device.go:84:15: error strings should not be capitalized (ST1005)
- [ ] sniffer/device.go:89:15: error strings should not be capitalized (ST1005)
- [ ] sniffer/device.go:100:14: error strings should not be capitalized (ST1005)
- [ ] sniffer/file.go:82:20: error strings should not be capitalized (ST1005)
- [x] sniffer/sniffer.go:42:2: field dumper is unused (U1000)
- [ ] sniffer/sniffer.go:150:10: error strings should not be capitalized (ST1005)
- [ ] sniffer/sniffer.go:195:11: error strings should not be capitalized (ST1005)
- [ ] sniffer/sniffer.go:226:15: error strings should not be capitalized (ST1005)
- [ ] sniffer/sniffer.go:250:10: error strings should not be capitalized (ST1005)
- [ ] sniffer/sniffer_test.go:55:2: this value of blockSize is never used (SA4006)
- [ ] sniffer/sniffer_test.go:55:2: this value of frameSize is never used (SA4006)
- [ ] sniffer/sniffer_test.go:55:2: this value of numBlocks is never used (SA4006)
- [ ] sniffer/sniffer_test.go:61:2: this value of err is never used (SA4006)

…tion

The previous code would drop data rather than fill the fields common.MapStr. This
change larifies that it is the caller's responsibility to provide a valid
destination.

…stions

- [ ] flows/table.go:88:21: could remove embedded field "rawFlowID" from selector (QF1008)
- [x] pb/event.go:240:2: could use tagged switch on f.Network.Transport (QF1002)
- [x] protos/cassandra/config.go:48:5: could apply De Morgan's law (QF1001)
- [x] protos/cassandra/internal/gocql/array_decoder.go:166:5: could apply De Morgan's law (QF1001)
- [x] protos/cassandra/internal/gocql/stream_decoder.go:152:5: could apply De Morgan's law (QF1001)
- [ ] protos/dhcpv4/dhcpv4.go:80:11: could remove embedded field "dhcpv4Config" from selector (QF1008)
- [ ] protos/memcache/memcache.go:183:5: could remove embedded field "tcpConfig" from selector (QF1008)
- [x] protos/memcache/memcache.go:257:3: could use tagged switch on prev.command.code (QF1003)
- [ ] protos/memcache/memcache.go:377:4: could remove embedded field "Transaction" from selector (QF1008)
- [ ] protos/memcache/plugin_tcp.go:115:4: could remove embedded field "Stream" from selector (QF1008)
- [ ] protos/memcache/plugin_tcp.go:443:9: could remove embedded field "Stream" from selector (QF1008)
- [x] protos/mongodb/mongodb.go:345:4: could use tagged switch on t.method (QF1003)
- [x] protos/mysql/mysql.go:688:4: could use tagged switch on msg.typ (QF1003)
- [x] protos/mysql/mysql.go:698:3: could use tagged switch on msg.typ (QF1003)
- [ ] protos/redis/redis.go:120:4: could remove embedded field "Stream" from selector (QF1008)
- [ ] protos/redis/redis.go:237:4: could remove embedded field "Stream" from selector (QF1008)
- [ ] protos/redis/redis_test.go:215:5: could remove embedded field "Stream" from selector (QF1008)
- [ ] protos/redis/redis_test.go:255:6: could remove embedded field "Stream" from selector (QF1008)
- [x] protos/sip/parser.go:272:5: could apply De Morgan's law (QF1001)
- [ ] protos/tls/parse.go:552:18: could remove embedded field "Parameters" from selector (QF1008)
- [ ] protos/tls/tls.go:226:4: could remove embedded field "Stream" from selector (QF1008)

Embedded field selector simplification are not applied because in many cases these
probably should not be embedded fields or they clarify the intention.