diff options
Diffstat (limited to 'go/golang/gocache/48')
5 files changed, 0 insertions, 336 deletions
diff --git a/go/golang/gocache/48/48046a9e1371aed1d708d9a7f8915353d688ba92664232f8905a3679ac4a05d6-a b/go/golang/gocache/48/48046a9e1371aed1d708d9a7f8915353d688ba92664232f8905a3679ac4a05d6-a deleted file mode 100644 index 10759667..00000000 --- a/go/golang/gocache/48/48046a9e1371aed1d708d9a7f8915353d688ba92664232f8905a3679ac4a05d6-a +++ /dev/null @@ -1 +0,0 @@ -v1 48046a9e1371aed1d708d9a7f8915353d688ba92664232f8905a3679ac4a05d6 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 0 1548273524091220181 diff --git a/go/golang/gocache/48/486059282305d878bc3b40d4da5d5009fa872137f964209349faee26262e0fe9-d b/go/golang/gocache/48/486059282305d878bc3b40d4da5d5009fa872137f964209349faee26262e0fe9-d deleted file mode 100644 index a18c4ad9..00000000 --- a/go/golang/gocache/48/486059282305d878bc3b40d4da5d5009fa872137f964209349faee26262e0fe9-d +++ /dev/null @@ -1,333 +0,0 @@ -// Code generated by cmd/cgo; DO NOT EDIT. - -//line /workdir/go/src/net/cgo_unix.go:1:1 -// Copyright 2011 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -// +build cgo,!netgo -// +build darwin dragonfly freebsd linux netbsd openbsd solaris - -package net - -/* -#include <sys/types.h> -#include <sys/socket.h> -#include <netinet/in.h> -#include <netdb.h> -#include <unistd.h> -#include <string.h> -*/ -import _ "unsafe" - -import ( - "context" - "syscall" - "unsafe" -) - -// An addrinfoErrno represents a getaddrinfo, getnameinfo-specific -// error number. It's a signed number and a zero value is a non-error -// by convention. -type addrinfoErrno int - -func (eai addrinfoErrno) Error() string { return (_Cfunc_GoString)((_Cfunc_gai_strerror)(_Ctype_int(eai))) } -func (eai addrinfoErrno) Temporary() bool { return eai == (_Ciconst_EAI_AGAIN) } -func (eai addrinfoErrno) Timeout() bool { return false } - -type portLookupResult struct { - port int - err error -} - -type ipLookupResult struct { - addrs []IPAddr - cname string - err error -} - -type reverseLookupResult struct { - names []string - err error -} - -func cgoLookupHost(ctx context.Context, name string) (hosts []string, err error, completed bool) { - addrs, err, completed := cgoLookupIP(ctx, name) - for _, addr := range addrs { - hosts = append(hosts, addr.String()) - } - return -} - -func cgoLookupPort(ctx context.Context, network, service string) (port int, err error, completed bool) { - var hints _Ctype_struct_addrinfo - switch network { - case "": // no hints - case "tcp", "tcp4", "tcp6": - hints.ai_socktype = (_Ciconst_SOCK_STREAM) - hints.ai_protocol = (_Ciconst_IPPROTO_TCP) - case "udp", "udp4", "udp6": - hints.ai_socktype = (_Ciconst_SOCK_DGRAM) - hints.ai_protocol = (_Ciconst_IPPROTO_UDP) - default: - return 0, &DNSError{Err: "unknown network", Name: network + "/" + service}, true - } - if len(network) >= 4 { - switch network[3] { - case '4': - hints.ai_family = (_Ciconst_AF_INET) - case '6': - hints.ai_family = (_Ciconst_AF_INET6) - } - } - if ctx.Done() == nil { - port, err := cgoLookupServicePort(&hints, network, service) - return port, err, true - } - result := make(chan portLookupResult, 1) - go cgoPortLookup(result, &hints, network, service) - select { - case r := <-result: - return r.port, r.err, true - case <-ctx.Done(): - // Since there isn't a portable way to cancel the lookup, - // we just let it finish and write to the buffered channel. - return 0, mapErr(ctx.Err()), false - } -} - -func cgoLookupServicePort(hints *_Ctype_struct_addrinfo, network, service string) (port int, err error) { - cservice := make([]byte, len(service)+1) - copy(cservice, service) - // Lowercase the C service name. - for i, b := range cservice[:len(service)] { - cservice[i] = lowerASCII(b) - } - var res *_Ctype_struct_addrinfo - gerrno, err := func(_cgo0 *_Ctype_char, _cgo1 *_Ctype_char, _cgo2 *_Ctype_struct_addrinfo, _cgo3 **_Ctype_struct_addrinfo) (_Ctype_int, error) {; _cgoCheckPointer(_cgo2); _cgoCheckPointer(_cgo3, true); return (_C2func_getaddrinfo)(_cgo0, _cgo1, _cgo2, _cgo3);}(nil, (*_Ctype_char)(unsafe.Pointer(&cservice[0])), hints, &res) - if gerrno != 0 { - switch gerrno { - case (_Ciconst_EAI_SYSTEM): - if err == nil { // see golang.org/issue/6232 - err = syscall.EMFILE - } - default: - err = addrinfoErrno(gerrno) - } - return 0, &DNSError{Err: err.Error(), Name: network + "/" + service} - } - defer func(_cgo0 *_Ctype_struct_addrinfo) {; _cgoCheckPointer(_cgo0); (_Cfunc_freeaddrinfo)(_cgo0);}(res) - - for r := res; r != nil; r = r.ai_next { - switch r.ai_family { - case (_Ciconst_AF_INET): - sa := (*syscall.RawSockaddrInet4)(unsafe.Pointer(r.ai_addr)) - p := (*[2]byte)(unsafe.Pointer(&sa.Port)) - return int(p[0])<<8 | int(p[1]), nil - case (_Ciconst_AF_INET6): - sa := (*syscall.RawSockaddrInet6)(unsafe.Pointer(r.ai_addr)) - p := (*[2]byte)(unsafe.Pointer(&sa.Port)) - return int(p[0])<<8 | int(p[1]), nil - } - } - return 0, &DNSError{Err: "unknown port", Name: network + "/" + service} -} - -func cgoPortLookup(result chan<- portLookupResult, hints *_Ctype_struct_addrinfo, network, service string) { - port, err := cgoLookupServicePort(hints, network, service) - result <- portLookupResult{port, err} -} - -func cgoLookupIPCNAME(name string) (addrs []IPAddr, cname string, err error) { - acquireThread() - defer releaseThread() - - var hints _Ctype_struct_addrinfo - hints.ai_flags = cgoAddrInfoFlags - hints.ai_socktype = (_Ciconst_SOCK_STREAM) - - h := make([]byte, len(name)+1) - copy(h, name) - var res *_Ctype_struct_addrinfo - gerrno, err := func(_cgo0 *_Ctype_char, _cgo1 *_Ctype_char, _cgo2 *_Ctype_struct_addrinfo, _cgo3 **_Ctype_struct_addrinfo) (_Ctype_int, error) {; _cgoCheckPointer(_cgo2, true); _cgoCheckPointer(_cgo3, true); return (_C2func_getaddrinfo)(_cgo0, _cgo1, _cgo2, _cgo3);}((*_Ctype_char)(unsafe.Pointer(&h[0])), nil, &hints, &res) - if gerrno != 0 { - switch gerrno { - case (_Ciconst_EAI_SYSTEM): - if err == nil { - // err should not be nil, but sometimes getaddrinfo returns - // gerrno == C.EAI_SYSTEM with err == nil on Linux. - // The report claims that it happens when we have too many - // open files, so use syscall.EMFILE (too many open files in system). - // Most system calls would return ENFILE (too many open files), - // so at the least EMFILE should be easy to recognize if this - // comes up again. golang.org/issue/6232. - err = syscall.EMFILE - } - case (_Ciconst_EAI_NONAME): - err = errNoSuchHost - default: - err = addrinfoErrno(gerrno) - } - return nil, "", &DNSError{Err: err.Error(), Name: name} - } - defer func(_cgo0 *_Ctype_struct_addrinfo) {; _cgoCheckPointer(_cgo0); (_Cfunc_freeaddrinfo)(_cgo0);}(res) - - if res != nil { - cname = (_Cfunc_GoString)(res.ai_canonname) - if cname == "" { - cname = name - } - if len(cname) > 0 && cname[len(cname)-1] != '.' { - cname += "." - } - } - for r := res; r != nil; r = r.ai_next { - // We only asked for SOCK_STREAM, but check anyhow. - if r.ai_socktype != (_Ciconst_SOCK_STREAM) { - continue - } - switch r.ai_family { - case (_Ciconst_AF_INET): - sa := (*syscall.RawSockaddrInet4)(unsafe.Pointer(r.ai_addr)) - addr := IPAddr{IP: copyIP(sa.Addr[:])} - addrs = append(addrs, addr) - case (_Ciconst_AF_INET6): - sa := (*syscall.RawSockaddrInet6)(unsafe.Pointer(r.ai_addr)) - addr := IPAddr{IP: copyIP(sa.Addr[:]), Zone: zoneCache.name(int(sa.Scope_id))} - addrs = append(addrs, addr) - } - } - return addrs, cname, nil -} - -func cgoIPLookup(result chan<- ipLookupResult, name string) { - addrs, cname, err := cgoLookupIPCNAME(name) - result <- ipLookupResult{addrs, cname, err} -} - -func cgoLookupIP(ctx context.Context, name string) (addrs []IPAddr, err error, completed bool) { - if ctx.Done() == nil { - addrs, _, err = cgoLookupIPCNAME(name) - return addrs, err, true - } - result := make(chan ipLookupResult, 1) - go cgoIPLookup(result, name) - select { - case r := <-result: - return r.addrs, r.err, true - case <-ctx.Done(): - return nil, mapErr(ctx.Err()), false - } -} - -func cgoLookupCNAME(ctx context.Context, name string) (cname string, err error, completed bool) { - if ctx.Done() == nil { - _, cname, err = cgoLookupIPCNAME(name) - return cname, err, true - } - result := make(chan ipLookupResult, 1) - go cgoIPLookup(result, name) - select { - case r := <-result: - return r.cname, r.err, true - case <-ctx.Done(): - return "", mapErr(ctx.Err()), false - } -} - -// These are roughly enough for the following: -// -// Source Encoding Maximum length of single name entry -// Unicast DNS ASCII or <=253 + a NUL terminator -// Unicode in RFC 5892 252 * total number of labels + delimiters + a NUL terminator -// Multicast DNS UTF-8 in RFC 5198 or <=253 + a NUL terminator -// the same as unicast DNS ASCII <=253 + a NUL terminator -// Local database various depends on implementation -const ( - nameinfoLen = 64 - maxNameinfoLen = 4096 -) - -func cgoLookupPTR(ctx context.Context, addr string) (names []string, err error, completed bool) { - var zone string - ip := parseIPv4(addr) - if ip == nil { - ip, zone = parseIPv6Zone(addr) - } - if ip == nil { - return nil, &DNSError{Err: "invalid address", Name: addr}, true - } - sa, salen := cgoSockaddr(ip, zone) - if sa == nil { - return nil, &DNSError{Err: "invalid address " + ip.String(), Name: addr}, true - } - if ctx.Done() == nil { - names, err := cgoLookupAddrPTR(addr, sa, salen) - return names, err, true - } - result := make(chan reverseLookupResult, 1) - go cgoReverseLookup(result, addr, sa, salen) - select { - case r := <-result: - return r.names, r.err, true - case <-ctx.Done(): - return nil, mapErr(ctx.Err()), false - } -} - -func cgoLookupAddrPTR(addr string, sa *_Ctype_struct_sockaddr, salen _Ctype_socklen_t) (names []string, err error) { - acquireThread() - defer releaseThread() - - var gerrno int - var b []byte - for l := nameinfoLen; l <= maxNameinfoLen; l *= 2 { - b = make([]byte, l) - gerrno, err = cgoNameinfoPTR(b, sa, salen) - if gerrno == 0 || gerrno != (_Ciconst_EAI_OVERFLOW) { - break - } - } - if gerrno != 0 { - switch gerrno { - case (_Ciconst_EAI_SYSTEM): - if err == nil { // see golang.org/issue/6232 - err = syscall.EMFILE - } - default: - err = addrinfoErrno(gerrno) - } - return nil, &DNSError{Err: err.Error(), Name: addr} - } - for i := 0; i < len(b); i++ { - if b[i] == 0 { - b = b[:i] - break - } - } - return []string{absDomainName(b)}, nil -} - -func cgoReverseLookup(result chan<- reverseLookupResult, addr string, sa *_Ctype_struct_sockaddr, salen _Ctype_socklen_t) { - names, err := cgoLookupAddrPTR(addr, sa, salen) - result <- reverseLookupResult{names, err} -} - -func cgoSockaddr(ip IP, zone string) (*_Ctype_struct_sockaddr, _Ctype_socklen_t) { - if ip4 := ip.To4(); ip4 != nil { - return cgoSockaddrInet4(ip4), _Ctype_socklen_t(syscall.SizeofSockaddrInet4) - } - if ip6 := ip.To16(); ip6 != nil { - return cgoSockaddrInet6(ip6, zoneCache.index(zone)), _Ctype_socklen_t(syscall.SizeofSockaddrInet6) - } - return nil, 0 -} - -func copyIP(x IP) IP { - if len(x) < 16 { - return x.To16() - } - y := make(IP, len(x)) - copy(y, x) - return y -} diff --git a/go/golang/gocache/48/48dcffd6203ee541a43fb13c5d947b744abd96043f264561e19caefe279967a8-d b/go/golang/gocache/48/48dcffd6203ee541a43fb13c5d947b744abd96043f264561e19caefe279967a8-d deleted file mode 100644 index 9b19c5e7..00000000 --- a/go/golang/gocache/48/48dcffd6203ee541a43fb13c5d947b744abd96043f264561e19caefe279967a8-d +++ /dev/null @@ -1 +0,0 @@ -./utf16.go diff --git a/go/golang/gocache/48/48ed50666fbc221bde0e8e4ffbfea7f080474261caef79ea4943171088b44191-a b/go/golang/gocache/48/48ed50666fbc221bde0e8e4ffbfea7f080474261caef79ea4943171088b44191-a deleted file mode 100644 index c61d3531..00000000 --- a/go/golang/gocache/48/48ed50666fbc221bde0e8e4ffbfea7f080474261caef79ea4943171088b44191-a +++ /dev/null @@ -1 +0,0 @@ -v1 48ed50666fbc221bde0e8e4ffbfea7f080474261caef79ea4943171088b44191 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 0 1548273525037992906 diff --git a/go/golang/gocache/48/48f04b727e5f54882855cd2297da600230f6811c55878c6d4c6e8849d20c09c4-d b/go/golang/gocache/48/48f04b727e5f54882855cd2297da600230f6811c55878c6d4c6e8849d20c09c4-d Binary files differdeleted file mode 100644 index 9ea68669..00000000 --- a/go/golang/gocache/48/48f04b727e5f54882855cd2297da600230f6811c55878c6d4c6e8849d20c09c4-d +++ /dev/null |