go fmt

proc/proc.go

@@ -4,21 +4,21 @@ import (
 	"encoding/hex"
 	"errors"
 	"fmt"
+	"github.com/subgraph/fw-daemon/Godeps/_workspace/src/github.com/op/go-logging"
 	"io/ioutil"
 	"net"
 	"strconv"
 	"strings"
-	"github.com/subgraph/fw-daemon/Godeps/_workspace/src/github.com/op/go-logging"
 )
 
 var log = logging.MustGetLogger("proc")
+
 func SetLogger(logger *logging.Logger) {
 	log = logger
 }
 
 var pcache = &pidCache{}
 
-
 func LookupUDPSocketProcess(srcPort uint16) *ProcInfo {
 	ss := findUDPSocket(srcPort)
 	if ss == nil {
@@ -63,7 +63,6 @@ func (sa *socketAddr) parse(s string) error {
 	return nil
 }
 
-
 func ParseIp(ip string) (net.IP, error) {
 	var result net.IP
 	dst, err := hex.DecodeString(ip)
@@ -88,7 +87,7 @@ func ParsePort(port string) (uint16, error) {
 }
 
 func getConnections() ([]*ConnectionInfo, error) {
-	conns,err := readConntrack()
+	conns, err := readConntrack()
 	if err != nil {
 		return nil, err
 	}
@@ -98,7 +97,7 @@ func getConnections() ([]*ConnectionInfo, error) {
 
 func resolveProcinfo(conns []*ConnectionInfo) {
 	var sockets []*socketStatus
-	for _,line := range getSocketLines("tcp") {
+	for _, line := range getSocketLines("tcp") {
 		if len(strings.TrimSpace(line)) == 0 {
 			continue
 		}
@@ -116,7 +115,7 @@ func resolveProcinfo(conns []*ConnectionInfo) {
 			*/
 		}
 	}
-	for _,ci := range conns {
+	for _, ci := range conns {
 		ss := findContrackSocket(ci, sockets)
 		if ss == nil {
 			continue
@@ -129,7 +128,7 @@ func resolveProcinfo(conns []*ConnectionInfo) {
 }
 
 func findContrackSocket(ci *ConnectionInfo, sockets []*socketStatus) *socketStatus {
-	for _,ss := range sockets {
+	for _, ss := range sockets {
 		if ss.local.port == ci.local.port && ss.remote.ip.Equal(ci.remote.ip) && ss.remote.port == ci.remote.port {
 			return ss
 		}
@@ -145,8 +144,8 @@ func readConntrack() ([]*ConnectionInfo, error) {
 	}
 	var result []*ConnectionInfo
 	lines := strings.Split(string(data), "\n")
-	for _,line := range(lines) {
-		ci,err := parseConntrackLine(line)
+	for _, line := range lines {
+		ci, err := parseConntrackLine(line)
 		if err != nil {
 			return nil, err
 		}
@@ -163,24 +162,24 @@ func parseConntrackLine(line string) (*ConnectionInfo, error) {
 		return nil, nil
 	}
 
-	local,err := conntrackAddr(parts[4], parts[6])
+	local, err := conntrackAddr(parts[4], parts[6])
 	if err != nil {
 		return nil, err
 	}
-	remote,err := conntrackAddr(parts[5], parts[7])
+	remote, err := conntrackAddr(parts[5], parts[7])
 	if err != nil {
 		return nil, err
 	}
 	return &ConnectionInfo{
 		local:  local,
 		remote: remote,
-	},nil
+	}, nil
 }
 
 func conntrackAddr(ip_str, port_str string) (*socketAddr, error) {
 	ip := net.ParseIP(stripLabel(ip_str))
 	if ip == nil {
-		return nil, errors.New("Could not parse IP: "+ip_str)
+		return nil, errors.New("Could not parse IP: " + ip_str)
 	}
 	i64, err := strconv.Atoi(stripLabel(port_str))
 	if err != nil {
@@ -189,7 +188,7 @@ func conntrackAddr(ip_str, port_str string) (*socketAddr, error) {
 	return &socketAddr{
 		ip:   ip,
 		port: uint16(i64),
-	},nil
+	}, nil
 }
 
 func stripLabel(s string) string {

proc/proc_pid.go

@@ -1,17 +1,16 @@
 package proc
 
 import (
+	"fmt"
+	"io/ioutil"
 	"os"
+	"path"
 	"strconv"
-	"fmt"
 	"strings"
-	"path"
-	"io/ioutil"
 	"sync"
 	"syscall"
 )
 
-
 type ProcInfo struct {
 	Uid     int
 	Pid     int
@@ -28,12 +27,12 @@ type pidCache struct {
 func (pc *pidCache) lookup(inode uint64) *ProcInfo {
 	pc.lock.Lock()
 	defer pc.lock.Unlock()
-	pi,ok := pc.cacheMap[inode]
+	pi, ok := pc.cacheMap[inode]
 	if ok && pi.loadProcessInfo() {
 		return pi
 	}
 	pc.cacheMap = loadCache()
-	pi,ok = pc.cacheMap[inode]
+	pi, ok = pc.cacheMap[inode]
 	if ok && pi.loadProcessInfo() {
 		return pi
 	}
@@ -46,7 +45,7 @@ func loadCache() map[uint64]*ProcInfo {
 		pid := toPid(n)
 		if pid != 0 {
 			pinfo := &ProcInfo{Pid: pid}
-			for _,inode := range inodesFromPid(pid) {
+			for _, inode := range inodesFromPid(pid) {
 				cmap[inode] = pinfo
 			}
 		}
@@ -60,7 +59,7 @@ func toPid(name string) int {
 		return 0
 	}
 	fdpath := fmt.Sprintf("/proc/%d/fd", pid)
-	fi,err := os.Stat(fdpath)
+	fi, err := os.Stat(fdpath)
 	if err != nil {
 		return 0
 	}
@@ -91,8 +90,8 @@ func extractSocket(name string) uint64 {
 	if !strings.HasPrefix(name, "socket:[") || !strings.HasSuffix(name, "]") {
 		return 0
 	}
-	val := name[8:len(name)-1]
-	inode,err := strconv.ParseUint(val, 10, 64)
+	val := name[8 : len(name)-1]
+	inode, err := strconv.ParseUint(val, 10, 64)
 	if err != nil {
 		log.Warning("Error parsing inode value from %s: %v", name, err)
 		return 0
@@ -101,7 +100,7 @@ func extractSocket(name string) uint64 {
 }
 
 func readdir(dir string) []string {
-	d,err := os.Open(dir)
+	d, err := os.Open(dir)
 	if err != nil {
 		log.Warning("Error opening directory %s: %v", dir, err)
 		return nil

proc/socket.go

@@ -1,11 +1,12 @@
 package proc
+
 import (
-	"net"
+	"errors"
 	"fmt"
 	"io/ioutil"
-	"strings"
-	"errors"
+	"net"
 	"strconv"
+	"strings"
 )
 
 type socketAddr struct {
@@ -43,7 +44,7 @@ func findTCPSocket(srcPort uint16, dstAddr net.IP, dstPort uint16) *socketStatus
 
 func findSocket(proto string, matcher func(socketStatus) bool) *socketStatus {
 	var ss socketStatus
-	for _,line := range getSocketLines(proto) {
+	for _, line := range getSocketLines(proto) {
 		if len(line) == 0 {
 			continue
 		}
@@ -83,7 +84,6 @@ func (ss *socketStatus) parseLine(line string) error {
 	return nil
 }
 
-
 func getSocketLines(proto string) []string {
 	path := fmt.Sprintf("/proc/net/%s", proto)
 	data, err := ioutil.ReadFile(path)