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Fix errno display in c-ares exceptions

pull/22966/head
Ryan Dahl 2010-05-17 13:58:15 -07:00
parent 0a539865dd
commit 1036aa9762
1 changed files with 44 additions and 1 deletions
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45
src/node_cares.cc
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@ -167,11 +167,54 @@ static Local<Array> HostEntToNames(struct hostent* hostent) {
return names;
}
static inline const char *ares_errno_string(int errorno) {
#define ERRNO_CASE(e) case ARES_##e: return #e;
switch (errorno) {
ERRNO_CASE(SUCCESS)
ERRNO_CASE(ENODATA)
ERRNO_CASE(EFORMERR)
ERRNO_CASE(ESERVFAIL)
ERRNO_CASE(ENOTFOUND)
ERRNO_CASE(ENOTIMP)
ERRNO_CASE(EREFUSED)
ERRNO_CASE(EBADQUERY)
ERRNO_CASE(EBADNAME)
ERRNO_CASE(EBADFAMILY)
ERRNO_CASE(EBADRESP)
ERRNO_CASE(ECONNREFUSED)
ERRNO_CASE(ETIMEOUT)
ERRNO_CASE(EOF)
ERRNO_CASE(EFILE)
ERRNO_CASE(ENOMEM)
ERRNO_CASE(EDESTRUCTION)
ERRNO_CASE(EBADSTR)
ERRNO_CASE(EBADFLAGS)
ERRNO_CASE(ENONAME)
ERRNO_CASE(EBADHINTS)
ERRNO_CASE(ENOTINITIALIZED)
ERRNO_CASE(ELOADIPHLPAPI)
ERRNO_CASE(EADDRGETNETWORKPARAMS)
ERRNO_CASE(ECANCELLED)
default:
assert(0 && "Unhandled c-ares errno");
return "(UNKNOWN)";
}
}
static void ResolveError(Persistent<Function> &cb, int status) {
HandleScope scope;
Local<Value> e = ErrnoException(status, NULL, ares_strerror(status));
Local<String> code = String::NewSymbol(ares_errno_string(status));
Local<String> message = String::NewSymbol(ares_strerror(status));
Local<String> cons1 = String::Concat(code, String::NewSymbol(", "));
Local<String> cons2 = String::Concat(cons1, message);
Local<Value> e = Exception::Error(cons2);
Local<Object> obj = e->ToObject();
obj->Set(String::NewSymbol("errno"), Integer::New(status));
TryCatch try_catch;