OSUtils::resolve()
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69076f8a45
commit
86c87875a7
3 changed files with 54 additions and 1 deletions
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@ -38,9 +38,11 @@
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#include <errno.h>
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#include <fcntl.h>
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <sys/stat.h>
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#include <sys/uio.h>
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#include <dirent.h>
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#include <netdb.h>
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#endif
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#ifdef __WINDOWS__
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@ -174,6 +176,34 @@ int64_t OSUtils::getFileSize(const char *path)
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return -1;
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}
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std::vector<InetAddress> OSUtils::resolve(const char *name)
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{
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std::vector<InetAddress> r;
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std::vector<InetAddress>::iterator i;
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InetAddress tmp;
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struct addrinfo *ai = (struct addrinfo *)0,*p;
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if (!getaddrinfo(name,(const char *)0,(const struct addrinfo *)0,&ai)) {
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try {
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p = ai;
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while (p) {
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if ((p->ai_addr)&&((p->ai_addr->sa_family == AF_INET)||(p->ai_addr->sa_family == AF_INET6))) {
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tmp = *(p->ai_addr);
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for(i=r.begin();i!=r.end();++i) {
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if (i->ipsEqual(tmp))
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goto skip_add_inetaddr;
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}
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r.push_back(tmp);
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}
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skip_add_inetaddr:
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p = p->ai_next;
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}
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} catch ( ... ) {}
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freeaddrinfo(ai);
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}
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std::sort(r.begin(),r.end());
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return r;
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}
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bool OSUtils::readFile(const char *path,std::string &buf)
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{
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char tmp[4096];
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