去除cgo的依赖

cmd/main.go

@@ -17,7 +17,8 @@ type (
 )
 
 func main() {
-	svr := micro.New(
+
+	svr := micro.Init(
 		micro.WithName("git.nspix.com/test", "0.0.01"),
 		micro.WithoutRegister(),
 		micro.WithHttpDebug(),
@@ -26,7 +27,8 @@ func main() {
 		micro.WithPort(6567),
 	)
 
-	svr.Handle("getUserList", func(ctx micro.Context) (err error) {
+
+	micro.Handle("getUserList", func(ctx micro.Context) (err error) {
 		var req Request
 		if err = ctx.Bind(&req); err != nil {
 			return err
@@ -40,7 +42,7 @@ func main() {
 		time.AfterFunc(time.Second*5, func() {
 			for i := 0; i < 10; i++ {
 				r := rand.Int63n(10000)
-				svr.DeferTick(time.Duration(r)*time.Millisecond, func(ctx context.Context) {
+				micro.DeferTick(time.Duration(r)*time.Millisecond, func(ctx context.Context) {
 					fmt.Println(time.Now().Unix())
 				})
 			}

helper/machineid/id_linux.go

@@ -3,279 +3,6 @@
 
 package machineid
 
-/*
-#include <sys/types.h>
-#include <sys/stat.h>
-
-#ifdef USE_MMAP
-#include <sys/mman.h>
-#ifndef MAP_FAILED
-#define MAP_FAILED ((void *) -1)
-#endif
-#endif
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <string.h>
-#include <fcntl.h>
-#include <errno.h>
-
-#ifndef TYPES_H
-#define TYPES_H
-
-
-typedef unsigned char u8;
-typedef unsigned short u16;
-typedef signed short i16;
-typedef unsigned int u32;
-
-#ifdef BIGENDIAN
-typedef struct {
-    u32 h;
-    u32 l;
-} u64;
-#else
-typedef struct {
-    u32 l;
-    u32 h;
-} u64;
-#endif
-
-#ifdef ALIGNMENT_WORKAROUND
-static inline u64 U64(u32 low, u32 high)
-{
-    u64 self;
-
-    self.l = low;
-    self.h = high;
-
-    return self;
-}
-#endif
-
-#ifdef ALIGNMENT_WORKAROUND
-#    ifdef BIGENDIAN
-#    define WORD(x) (u16)((x)[1] + ((x)[0] << 8))
-#    define DWORD(x) (u32)((x)[3] + ((x)[2] << 8) + ((x)[1] << 16) + ((x)[0] << 24))
-#    define QWORD(x) (U64(DWORD(x + 4), DWORD(x)))
-#    else
-#    define WORD(x) (u16)((x)[0] + ((x)[1] << 8))
-#    define DWORD(x) (u32)((x)[0] + ((x)[1] << 8) + ((x)[2] << 16) + ((x)[3] << 24))
-#    define QWORD(x) (U64(DWORD(x), DWORD(x + 4)))
-#    endif
-#else
-#define WORD(x) (u16)(*(const u16 *)(x))
-#define DWORD(x) (u32)(*(const u32 *)(x))
-#define QWORD(x) (*(const u64 *)(x))
-#endif
-
-#endif
-
-struct dmi_header
-{
-        u8 type;
-        u8 length;
-        u16 handle;
-        u8 *data;
-};
-
-static int myread(int fd, u8 *buf, size_t count, const char *prefix)
-{
-    ssize_t r = 1;
-    size_t r2 = 0;
-
-    while (r2 != count && r != 0)
-    {
-        r = read(fd, buf + r2, count - r2);
-        if (r == -1)
-        {
-            if (errno != EINTR)
-            {
-                close(fd);
-                perror(prefix);
-                return -1;
-            }
-        }
-        else
-            r2 += r;
-    }
-
-    if (r2 != count)
-    {
-        close(fd);
-        fprintf(stderr, "%s: Unexpected end of file\n", prefix);
-        return -1;
-    }
-
-    return 0;
-}
-
-int checksum(const u8 *buf, size_t len)
-{
-    u8 sum = 0;
-    size_t a;
-
-    for (a = 0; a < len; a++)
-        sum += buf[a];
-    return (sum == 0);
-}
-
-
-void *mem_chunk(size_t base, size_t len, const char *devmem)
-{
-    void *p;
-    int fd;
-#ifdef USE_MMAP
-    size_t mmoffset;
-    void *mmp;
-#endif
-
-    if ((fd = open(devmem, O_RDONLY)) == -1)
-    {
-        perror(devmem);
-        return NULL;
-    }
-
-    if ((p = malloc(len)) == NULL)
-    {
-        perror("malloc");
-        return NULL;
-    }
-
-#ifdef USE_MMAP
-#ifdef _SC_PAGESIZE
-    mmoffset = base % sysconf(_SC_PAGESIZE);
-#else
-    mmoffset = base % getpagesize();
-#endif
-    mmp = mmap(0, mmoffset + len, PROT_READ, MAP_SHARED, fd, base - mmoffset);
-    if (mmp == MAP_FAILED)
-        goto try_read;
-
-    memcpy(p, (u8 *)mmp + mmoffset, len);
-
-    if (munmap(mmp, mmoffset + len) == -1)
-    {
-        fprintf(stderr, "%s: ", devmem);
-        perror("munmap");
-    }
-
-    goto out;
-
-#endif
-
-try_read:
-    if (lseek(fd, base, SEEK_SET) == -1)
-    {
-        fprintf(stderr, "%s: ", devmem);
-        perror("lseek");
-        free(p);
-        return NULL;
-    }
-
-    if (myread(fd, p, len, devmem) == -1)
-    {
-        free(p);
-        return NULL;
-    }
-
-out:
-    if (close(fd) == -1)
-        perror(devmem);
-
-    return p;
-}
-
-void to_dmi_header(struct dmi_header *h, u8 *data)
-{
-    h->type = data[0];
-    h->length = data[1];
-    h->handle = WORD(data + 2);
-    h->data = data;
-}
-
-int get_cpuid(char *cpuid)
-{
-    char devmem[10] = "/dev/mem";
-    u16 len;
-    u16 num;
-    size_t fp;
-    u8 *buf=NULL, *nbuf=NULL, *data, *p;
-    int i = 0;
-    if ((buf = mem_chunk(0xF0000, 0x10000, devmem)) == NULL)
-    {
-        free(buf);
-        return 0;
-    }
-
-    for (fp = 0; fp <= 0xFFF0; fp += 16)
-    {
-        if(memcmp(buf + fp, "_SM_", 4) == 0 && fp <= 0xFFE0)
-        {
-            len = WORD(buf + fp + 0x16);
-            num = WORD(buf + fp + 0x1C);
-
-            if (!checksum(buf + fp, (buf + fp)[0x05]) || memcmp(buf + fp + 0x10, "_DMI_", 5) != 0 || !checksum(buf + fp + 0x10, 0x0F))
-            {
-                free(buf);
-                return 0;
-            }
-            if ((nbuf = mem_chunk(DWORD(buf + fp + 0x18), len, devmem)) == NULL)
-            {
-                fprintf(stderr, "Table is unreachable, sorry.\n");
-                free(buf);
-                free(nbuf);
-                return 0;
-            }
-            data = nbuf;
-            while (i < num && data+4 <= nbuf + len)
-            {
-                u8 *next;
-                struct dmi_header h;
-
-                to_dmi_header(&h, data);
-
-                if (h.length < 4)
-                {
-                    printf("Invalid entry length (%u). DMI table is "
-                           "broken! Stop.\n\n", (unsigned int)h.length);
-                    free(buf);
-                    free(nbuf);
-                    return 0;
-                }
-
-                next = data + h.length;
-                while (next - nbuf + 1 < len && (next[0] != 0 || next[1] != 0))
-                    next++;
-                next += 2;
-                if (h.type ==4)
-                {
-                    p = h.data + 0x08;
-                    //printf("CPUID:%02X%02X%02X%02X%02X%02X%02X%02X\n", p[0], p[1], p[2], p[3], p[4], p[5], p[6], p[7]);
-                    sprintf(cpuid, "%02X%02X%02X%02X%02X%02X%02X%02X", p[0], p[1], p[2], p[3], p[4], p[5], p[6], p[7]);
-                    free(buf);
-                    free(nbuf);
-                    return 1;
-                }
-                data = next;
-                i++;
-            }
-            fp += 16;
-        }
-    }
-    free(buf);
-    free(nbuf);
-    return 0;
-}
-*/
-import "C"
-
-import (
-	"encoding/hex"
-	"io/ioutil"
-)
-
 func getMachineID() (s string, err error) {
 	paths := []string{
 		"/var/lib/dbus/machine-id",
@@ -288,13 +15,8 @@ func getMachineID() (s string, err error) {
 	for _, p := range paths {
 		if buf, err = ioutil.ReadFile(p); err == nil {
 			s = string(buf)
-			break
+			return
 		}
 	}
-	if s == "" {
-		buf = make([]byte, 16)
-		C.get_cpuid((*C.char)(unsafe.Pointer(&buf[0])))
-		s = hex.EncodeToString(buf)
-	}
 	return
 }