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add lua like path search for skynet module

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path/?.so;another_path/?.so
This commit is contained in:
vontio
2014-02-14 16:35:46 +08:00
parent ac6a140130
commit 6a16340490
1 changed files with 26 additions and 14 deletions
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40
skynet-src/skynet_module.c
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@@ -20,28 +20,40 @@ static struct modules * M = NULL;
static void *
_try_open(struct modules *m, const char * name) {
const char *l;
const char * path = m->path;
size_t path_size = strlen(path);
size_t name_size = strlen(name);
int sz = path_size + name_size;
//search path
void * dl = NULL;
char tmp[sz];
int i;
for (i=0;path[i]!='?' && path[i]!='\0';i++) {
tmp[i] = path[i];
}
memcpy(tmp+i,name,name_size);
if (path[i] == '?') {
strcpy(tmp+i+name_size,path+i+1);
} else {
fprintf(stderr,"Invalid C service path\n");
exit(1);
}
void * dl = dlopen(tmp, RTLD_NOW | RTLD_GLOBAL);
do
{
memset(tmp,0,sz);
while (*path == ';') path++;
if (*path == '\0') break;
l = strchr(path, ';');
if (l == NULL) l = path + strlen(path);
int len = l - path;
int i;
for (i=0;path[i]!='?' && i < len ;i++) {
tmp[i] = path[i];
}
memcpy(tmp+i,name,name_size);
if (path[i] == '?') {
strncpy(tmp+i+name_size,path+i+1,len - i - 1);
} else {
fprintf(stderr,"Invalid C service path\n");
exit(1);
}
dl = dlopen(tmp, RTLD_NOW | RTLD_GLOBAL);
path = l;
}while(dl == NULL);
if (dl == NULL) {
fprintf(stderr, "try open %s failed : %s\n",tmp,dlerror());
fprintf(stderr, "try open %s failed : %s\n",name,dlerror());
}
return dl;