libuv-dns

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libuv dns example

更新記錄

item note
20160517 第一版

目錄

libuv dns

範例說明

範例內容

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int main() {
    loop = uv_default_loop();

    struct addrinfo hints;
    hints.ai_family = PF_INET;
    hints.ai_socktype = SOCK_STREAM;
    hints.ai_protocol = IPPROTO_TCP;
    hints.ai_flags = 0;

    uv_getaddrinfo_t resolver;
    fprintf(stderr, "www.google.com is... ");
    int r = uv_getaddrinfo(loop, &resolver, on_resolved, "www.google.com", "6667", &hints);

    if (r) {
        fprintf(stderr, "getaddrinfo call error %s\n", uv_err_name(r));
        return 1;
    }
    return uv_run(loop, UV_RUN_DEFAULT);
}

範例測試

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[ubuntu](master-48df99a)0h19m root@e8b0cd737680:[t09_dns]$ ./t09-main-ubuntu 
irc.freenode.net is... 130.239.18.119
:leguin.freenode.net NOTICE * :*** Looking up your hostname...
:leguin.freenode.net NOTICE * :*** Checking Ident
:leguin.freenode.net NOTICE * :*** Found your hostname
1
www.google.com is... 210.242.128.113

參考來源