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net/SocketDescriptor: add GetType(), IsStream()

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This commit is contained in:
Max Kellermann 2018-08-20 16:06:58 +02:00
parent b5c569cd30
commit 50c7337965
2 changed files with 33 additions and 0 deletions
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19
src/net/SocketDescriptor.cxx
View File

@ -44,6 +44,25 @@
#include <errno.h> #include <errno.h>
#include <string.h> #include <string.h>
int
SocketDescriptor::GetType() const noexcept
{
assert(IsDefined());
int type;
socklen_t size = sizeof(type);
return getsockopt(fd, SOL_SOCKET, SO_TYPE,
(char *)&type, &size) == 0
? type
: -1;
}
bool
SocketDescriptor::IsStream() const noexcept
{
return GetType() == SOCK_STREAM;
}
#ifdef _WIN32 #ifdef _WIN32
void void

14
src/net/SocketDescriptor.hxx
View File

@ -82,6 +82,20 @@ public:
using FileDescriptor::IsValid; using FileDescriptor::IsValid;
using FileDescriptor::IsSocket; using FileDescriptor::IsSocket;
#endif #endif
/**
* Determine the socket type, i.e. SOCK_STREAM, SOCK_DGRAM or
* SOCK_SEQPACKET. Returns -1 on error.
*/
gcc_pure
int GetType() const noexcept;
/**
* Is this a stream socket?
*/
gcc_pure
bool IsStream() const noexcept;
using FileDescriptor::Get; using FileDescriptor::Get;
using FileDescriptor::Set; using FileDescriptor::Set;
using FileDescriptor::Steal; using FileDescriptor::Steal;