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How to use do method of prog Package

Best Syzkaller code snippet using prog.do

prog.go

Source:prog.go

1// Copyright 2018 Andrei Tudor CÄlin2//3// Permission to use, copy, modify, and/or distribute this software for any4// purpose with or without fee is hereby granted, provided that the above5// copyright notice and this permission notice appear in all copies.6//7// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES8// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF9// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR10// ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES11// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN12// ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF13// OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.14package ebpf15import (16	"errors"17	"unsafe"18	"golang.org/x/sys/unix"19)20// ProgType is the type of an eBPF program.21type ProgType uint3222// Valid eBPF program types.23const (24	ProgTypeUnspec ProgType = iota25	ProgTypeSocketFilter26	ProgTypeKProbe27	ProgTypeSchedCLS28	ProgTypeSchedACT29	ProgTypeTracepoint30	ProgTypeXDP31	ProgTypePerfEvent32	ProgTypeCGroupSKB33	ProgTypeCGroupSock34	ProgTypeLWTIn35	ProgTypeLWTOut36	ProgTypeLWTXMit37	ProgTypeSockOps38	ProgTypeSKSKB39	ProgTypeCGroupDevice40	ProgTypeSKMsg41	ProgTypeRawTracepoint42	ProgTypeCGroupSockAddr43	ProgTypeLWTSeg6Local44	ProgTypeLIRCMode245	ProgTypeSKReusePort46)47// AttachType describes the attach type of an eBPF program.48type AttachType uint3249// Valid program attach types.50const (51	AttachTypeCGroupInetIngress AttachType = iota52	AttachTypeCGroupInetEgress53	AttachTypeCGroupInetSockCreate54	AttachTypeCGroupSockOps55	AttachTypeSKSKBStreamParser56	AttachTypeSKSKBStreamVerdict57	AttachTypeCGroupDevice58	AttachTypeSKMsgVerdict59	AttachTypeCGroupInet4Bind60	AttachTypeCGroupInet6Bind61	AttachTypeCGroupInet4Connect62	AttachTypeCGroupInet6Connect63	AttachTypeCGroupInet4PostBind64	AttachTypeCGroupInet6PostBind65	AttachTypeCGroupUDP4SendMsg66	AttachTypeCGroupUDP6SendMsg67	AttachTypeLIRCMode268)69// Prog configures an eBPF program.70type Prog struct {71	Type               ProgType72	License            string73	KernelVersion      uint3274	StrictAlignment    bool75	ObjectName         string76	IfIndex            uint3277	ExpectedAttachType AttachType78	pfd *progFD79}80// defaultLogBufSize is the log buffer size used by the Linux tools.81// See tools/lib/bpf.h in the Linux kernel source tree. We use it as-is.82// Perhaps it will be configurable one day.83//84// TODO(acln): configurable?85const defaultLogBufSize = 256 * 102486// BPF_PROG_LOAD flags.87const loadStrictAlignment = 1 << 088// CGroupAttachFlag is a flag for an AttachCGroup operation.89type CGroupAttachFlag uint3290// cgroup attach flags.91const (92	// CGroupAttachAllowNone allows no further bpf programs in the target93	// cgroup sub-tree.94	CGroupAttachAllowNone CGroupAttachFlag = 095	// CGroupAttachAllowOverride arranges for the program in this cgroup96	// to yield to programs installed by sub-cgroups.97	CGroupAttachAllowOverride CGroupAttachFlag = 1 << 098	// CGroupAttachAllowMulti arranges for the program in this cgroup99	// to run in addition to programs installed by sub-cgroups.100	CGroupAttachAllowMulti CGroupAttachFlag = 1 << 1101)102// Load attaches the specified InstructionStream to the Prog103// and loads the program into the kernel.104//105// If the specified InstructionStream uses symbols, all symbols must106// be resolved before calling Load.107//108// If loading the program produces output from the eBPF kernel verifier,109// the output is returned in the log string.110func (p *Prog) Load(s *InstructionStream) (log string, err error) {111	if s.empty() {112		return "", errors.New("ebpf: empty instruction stream")113	}114	if s.hasUnresolvedSymbols() {115		return "", errors.New("ebpf: unresolved symbols in instruction stream")116	}117	insns := s.instructions()118	logbuf := make([]byte, defaultLogBufSize)119	attr := progLoadAttr{120		Type:               p.Type,121		InstructionCount:   uint32(len(insns)),122		Instructions:       iptr(insns),123		License:            bptr(nullTerminatedString(p.License)),124		LogLevel:           1,125		LogBufSize:         uint32(len(logbuf)),126		LogBuf:             bptr(logbuf),127		KernelVersion:      p.KernelVersion,128		Name:               newObjectName(p.ObjectName),129		IfIndex:            p.IfIndex,130		ExpectedAttachType: p.ExpectedAttachType,131	}132	if p.StrictAlignment {133		attr.Flags = loadStrictAlignment134	}135	pfd := new(progFD)136	err = pfd.Init(&attr)137	for i := 0; i < len(logbuf); i++ {138		if logbuf[i] == 0 {139			log = string(logbuf[:i])140			break141		}142	}143	if err != nil {144		return log, err145	}146	p.pfd = pfd147	return log, nil148}149// Socket represents a socket an eBPF program can be attached to.150//151// Note that implementations of syscall.RawConn also satisfy Socket.152type Socket interface {153	Control(fn func(fd uintptr)) error154}155// RawSocketFD is an implementation of Socket that uses a raw file descriptor.156type RawSocketFD int157// Control calls fn on raw. It always returns nil.158func (raw RawSocketFD) Control(fn func(fd uintptr)) error {159	fn(uintptr(raw))160	return nil161}162var errProgNotLoaded = errors.New("ebpf: program not loaded")163// AttachToSocket attaches the program to a socket.164//165// It sets the SO_ATTACH_BPF option, at the SOL_SOCKET level.166func (p *Prog) AttachToSocket(sock Socket) error {167	if p.pfd == nil {168		return errProgNotLoaded169	}170	var err error171	cerr := sock.Control(func(fd uintptr) {172		err = p.pfd.AttachToSocket(int(fd))173	})174	if cerr != nil {175		return cerr176	}177	return err178}179// AttachToCGroup attaches the program to a control group.180//181// TODO(acln): implement this182func (p *Prog) AttachToCGroup(fd int, typ AttachType, flag CGroupAttachFlag) error {183	return errNotImplemented184}185// DetachFromSocket detaches the program from the specified socket.186func (p *Prog) DetachFromSocket(sock Socket) error {187	if p.pfd == nil {188		return errProgNotLoaded189	}190	var err error191	cerr := sock.Control(func(fd uintptr) {192		err = p.pfd.DetachFromSocket(int(fd))193	})194	if cerr != nil {195		return cerr196	}197	return err198}199// TestRun specifies a test run for an eBPF program.200type TestRun struct {201	// Input contains the input for the eBPF program.202	Input []byte203	// Output is the memory area where the output of the204	// program will be stored.205	//206	// TODO(acln): document the ENOSPC207	Output []byte208	// Repeat configures the number of times the program is to be209	// executed. The default value of 0 means one execution.210	Repeat uint32211}212// TestResults holds the results of a test run.213type TestResults struct {214	// ReturnValue is the return value of the eBPF program.215	ReturnValue uint32216	// Duration is the total execution time, in nanoseconds.217	Duration uint32218	// Output is the output slice. It aliases TestRun.Output, but its219	// length is set to the length returned by the kernel.220	Output []byte221	// TestRun is the associated test run configuration.222	TestRun TestRun223}224// DoTestRun executes a test run of the program.225func (p *Prog) DoTestRun(tr TestRun) (*TestResults, error) {226	if p.pfd == nil {227		return nil, errProgNotLoaded228	}229	return p.pfd.DoTestRun(tr)230}231// Unload unloads the program from the kernel and releases the associated232// file descriptor.233func (p *Prog) Unload() error {234	if p.pfd == nil {235		return errProgNotLoaded236	}237	return p.pfd.Close()238}239// progFD is a low level wrapper around a bpf program file descriptor.240type progFD struct {241	bfd bpfFD242}243func (pfd *progFD) Init(attr *progLoadAttr) error {244	rawfd, err := loadProg(attr)245	if err != nil {246		return wrapCmdError(cmdProgLoad, err)247	}248	if err := pfd.bfd.Init(rawfd, unix.Close); err != nil {249		return err250	}251	// TODO(acln): what do we do about the attach type?252	return nil253}254func (pfd *progFD) AttachToSocket(sockfd int) error {255	return pfd.bfd.ProgAttach(sockfd, unix.SOL_SOCKET)256}257func (pfd *progFD) DetachFromSocket(sockfd int) error {258	return pfd.bfd.ProgDetach(sockfd, unix.SOL_SOCKET)259}260func (pfd *progFD) DoTestRun(tr TestRun) (*TestResults, error) {261	return pfd.bfd.ProgTestRun(tr)262}263func (pfd *progFD) Close() error {264	return pfd.bfd.Close()265}...

main.go

Source:main.go

...4	"fmt"5	"io/ioutil"6	"log"7	"os"8	"github.com/docopt/docopt-go"9	"github.com/fjl/lpd8/internal/lpd8"10)11var usage = `LPD8 tool.12Usage:13  lpd8 backup      [options] <backup.json>14  lpd8 restore     [options] <backup.json>15  lpd8 read-prog   [options] <program>16  lpd8 write-prog  [options] <program> <prog.json>17Options:18  -h --help      Show this screen.19  -v --verbose   Enable logging.20  --device=<dev> MIDI device name [default: LPD8].21`22type cliOptions struct {23	// Commands.24	CmdBackup  bool `docopt:"backup"`25	CmdRestore bool `docopt:"restore"`26	CmdRead    bool `docopt:"read-prog"`27	CmdWrite   bool `docopt:"write-prog"`28	// Arguments.29	ProgIndex  int    `docopt:"<program>"`30	ProgFile   string `docopt:"<prog.json>"`31	BackupFile string `docopt:"<backup.json>"`32	// Global options.33	Device  string `docopt:"--device"`34	Verbose bool   `docopt:"--verbose"`35}36func main() {37	rawOpt, err := docopt.ParseDoc(usage)38	if err != nil {39		fatal(err)40	}41	var opt cliOptions42	if err := rawOpt.Bind(&opt); err != nil {43		fatal(err)44	}45	if opt.Device == "" {46		opt.Device = "LPD8"47	}48	if opt.Verbose {49		log.SetOutput(os.Stderr)50	} else {51		log.SetOutput(ioutil.Discard)52	}53	conn, err := open(opt.Device)54	if err != nil {55		fatal(err)56	}57	defer conn.close()58	switch {59	case opt.CmdBackup:60		doBackup(conn, opt.BackupFile)61	case opt.CmdRestore:62		doRestore(conn, opt.BackupFile)63	case opt.CmdRead:64		doReadProgram(conn, opt.ProgIndex)65	case opt.CmdWrite:66		doWriteProgram(conn, opt.ProgIndex, opt.ProgFile)67	}68}69type backupJSON struct {70	Programs map[int]lpd8.Program `json:"programs"`71}72func doBackup(c *conn, file string) {73	var data backupJSON74	data.Programs = make(map[int]lpd8.Program)75	for i := 1; i <= 4; i++ {76		prog, err := c.readProgram(i)77		if err != nil {78			fatal(err)79		}80		data.Programs[i] = *prog81	}82	fmt.Println("Writing backup:", file)83	if err := writeJSON(file, &data); err != nil {84		fatal(err)85	}86}87func doRestore(c *conn, file string) {88	var data backupJSON89	if err := readJSON(file, &data); err != nil {90		fatal(err)91	}92	if data.Programs == nil {93		fatal(fmt.Errorf("missing 'programs' key in file"))94	}95	for i := 1; i <= 4; i++ {96		prog, ok := data.Programs[i]97		if !ok {98			fmt.Println("Note: program", i, "is missing in backup file.")99			continue100		}101		if err := c.writeProgram(i, prog); err != nil {102			fatal(err)103		}104	}105	fmt.Println("OK")106}107func doReadProgram(c *conn, progIndex int) {108	prog, err := c.readProgram(progIndex)109	if err != nil {110		fatal(err)111	}112	text, _ := json.MarshalIndent(&prog, "", "  ")113	fmt.Println(string(text))114}115func doWriteProgram(c *conn, progIndex int, file string) {116	var prog lpd8.Program117	if err := readJSON(file, &prog); err != nil {118		fatal(err)119	}120	if err := prog.Validate(); err != nil {121		fatal(err)122	}123	if err := c.writeProgram(progIndex, prog); err != nil {124		fatal(err)125	}126	fmt.Println("OK")127}128func readJSON(file string, v interface{}) error {129	text, err := ioutil.ReadFile(file)...

prog_config_dao.go

Source:prog_config_dao.go

1package dao2import (3	"errors"4	"shadowDemo/model/do"5	"shadowDemo/zframework/utils"6	"sync"7	"github.com/jinzhu/gorm"8)9type ProgConfigDao struct {10	db    *gorm.DB11	mutex *sync.Mutex12}13var progConfigDao *ProgConfigDao = nil14func NewProgConfigDao(db *gorm.DB) *ProgConfigDao {15	progConfigDao = &ProgConfigDao{16		db:    db,17		mutex: &sync.Mutex{},18	}19	return progConfigDao20}21func GetProgConfigDao() *ProgConfigDao {22	utils.ASSERT(progConfigDao != nil)23	return progConfigDao24}25func (dao *ProgConfigDao) Lock() {26	dao.mutex.Lock()27}28func (dao *ProgConfigDao) Unlock() {29	dao.mutex.Unlock()30}31func (dao *ProgConfigDao) Create(m *do.ProgConfig) error {32	return dao.db.Create(m).Error33}34func (dao *ProgConfigDao) Find(m *do.ProgConfig) (result []*do.ProgConfig, err error) {35	err = dao.db.Find(&result, m).Error36	return37}38func (dao *ProgConfigDao) FindOne(m *do.ProgConfig) error {39	return dao.db.First(m, m).Error40}41func (dao *ProgConfigDao) FindLast(m *do.ProgConfig) error {42	return dao.db.Last(m, m).Error43}44func (dao *ProgConfigDao) Get(m *do.ProgConfig) error {45	if dao.db.NewRecord(m) {46		return errors.New("id is nil")47	}48	return dao.db.Find(m).Error49}50func (dao *ProgConfigDao) BatchGet(idbatch []int64) (result []*do.ProgConfig, err error) {51	if len(idbatch) == 0 {52		return nil, errors.New("id is nil")53	}54	err = dao.db.Model(&do.ProgConfig{}).Where("id in (?)", idbatch).Find(&result).Error55	return56}57func (dao *ProgConfigDao) GetForUpdate(m *do.ProgConfig) error {58	if dao.db.NewRecord(m) {59		return errors.New("id is nil")60	}61	return dao.db.Set("gorm:query_option", "FOR UPDATE").Find(m).Error62}63func (dao *ProgConfigDao) Save(m *do.ProgConfig) error {64	return dao.db.Save(m).Error65}66func (dao *ProgConfigDao) Delete(m *do.ProgConfig) error {67	if dao.db.NewRecord(m) {68		return errors.New("id is nil")69	}70	return dao.db.Delete(m).Error71}72func (dao *ProgConfigDao) BatchDelete(idbatch []int64) error {73	if len(idbatch) == 0 {74		return errors.New("id is nil")75	}76	return dao.db.Where("id in (?)", idbatch).Delete(&do.ProgConfig{}).Error77}78func (dao *ProgConfigDao) Updates(id int64, attrs map[string]interface{}) error {79	return dao.db.Model(&do.ProgConfig{}).Where("id = ?", id).Updates(attrs).Error80}81func (dao *ProgConfigDao) Update(id int64, attr string, value interface{}) error {82	return dao.db.Model(&do.ProgConfig{}).Where("id = ?", id).Update(attr, value).Error83}84func (dao *ProgConfigDao) BatchUpdaterAttrs(idbatch []int64, attrs map[string]interface{}) error {85	if len(idbatch) == 0 {86		return errors.New("id is nil")87	}88	return dao.db.Model(&do.ProgConfig{}).Where("id in (?)", idbatch).Updates(attrs).Error89}90func (dao *ProgConfigDao) Found(m *do.ProgConfig) bool {91	find := dao.db.First(m, m).RecordNotFound()92	return !find93}...

Using AI Code Generation

1import "fmt"2func main() {3    p.do()4}5import "fmt"6func main() {7    p.do()8}9import "fmt"10func main() {11    p.do()12}13import "fmt"14func main() {15    p.do()16}17import "fmt"18func main() {19    p.do()20}21import "fmt"22func main() {23    p.do()24}25import "fmt"26func main() {27    p.do()28}29import "fmt"30func main() {31    p.do()32}33import "fmt"34func main() {35    p.do()36}37import "fmt"38func main() {39    p.do()40}41import "fmt"42func main() {43    p.do()44}45import "fmt"46func main() {47    p.do()48}49import "fmt"50func main() {51    p.do()52}53import

Using AI Code Generation

1import "fmt"2func main() {3    fmt.Println("Hello, World!")4    prog.do()5}6import "fmt"7type prog struct {8}9func (p prog) do() {10    fmt.Println("Doing something")11}12I have a main.go file that has the following code:and I have a prog.go file that has the following code:When I run go build main.go, it compiles the code successfully. However, when I run go build, it fails with the following error:prog.go:7: undefined: prog in prog.doI have tried adding the following line to the main.go file:import "./2"but it doesn't help. What am I doing wrong?13type Prog struct {14}15func (p Prog) do() {16    fmt.Println("Doing something")17}

Using AI Code Generation

1import (2func main() {3    var a = prog{1}4    a.do()5}6import (7type prog struct {8}9func (p prog) do() {10    fmt.Println("hello world")11}

Using AI Code Generation

1import "fmt"2func main() {3    p := prog{2, "Go"}4    p.do()5}6import "fmt"7type prog struct {8}9func (p *prog) do() {10    fmt.Println("do", p.i, p.s)11}12import "fmt"13type prog2 struct {14}15func (p *prog2) do() {16    fmt.Println("do", p.i, p.s)17}18import "fmt"19func main() {20    p := prog2{2, "Go"}21    p.do()22}23import "fmt"24type prog3 struct {25}26func (p *prog3) do() {27    fmt.Println("do", p.i, p.s)28}29import "fmt"30func main() {31    p := prog3{2, "Go"}32    p.do()33}34import "fmt"35type prog4 struct {36}37func (p *prog4) do() {38    fmt.Println("do", p.i, p.s)39}40import "fmt"41func main() {42    p := prog4{2, "Go"}43    p.do()44}45import "fmt"46type prog5 struct {47}48func (p *prog5) do() {49    fmt.Println("do", p.i, p.s)50}51import "fmt"52func main() {53    p := prog5{2, "Go"}54    p.do()55}56import "fmt"

Using AI Code Generation

1import (2func main() {3	fmt.Println("Hello, playground")4	prog := new(Prog)5	prog.do()6}7import (8type Prog struct {9}10func (p Prog) do() {11	fmt.Println("I am doing something")12}13prog := new(Prog)14prog.do()15prog := Prog{}16prog.do()

Using AI Code Generation

1import "fmt"2import "github.com/rahul-golang/Package/1"3func main() {4    fmt.Println("Hello World!")5    p := prog{}6    p.do()7}

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