ice: remove unused API

Remove IceTransport::getNextPacketSize() API and IceSocket one.
Unused and on-going to be deprecated API.

Change-Id: I6cdf72e81838411060e3cae636b156f309200e14
Reviewed-by: Nicolas Jäger <nicolas.jager@savoirfairelinux.com>

src/ice_socket.h

@@ -46,7 +46,6 @@ class IceSocket
         void close();
         ssize_t recv(unsigned char* buf, size_t len);
         ssize_t send(const unsigned char* buf, size_t len);
-        ssize_t getNextPacketSize() const;
         ssize_t waitForData(unsigned int timeout);
         void setOnRecv(IceRecvCb cb);
         uint16_t getTransportOverhead();

src/ice_transport.cpp

@@ -934,17 +934,6 @@ IceTransport::send(int comp_id, const unsigned char* buf, size_t len)
     return len;
 }
 
-ssize_t
-IceTransport::getNextPacketSize(int comp_id)
-{
-    auto& io = compIO_[comp_id];
-    std::lock_guard<std::mutex> lk(io.mutex);
-    if (io.queue.empty()) {
-        return 0;
-    }
-    return io.queue.front().datalen;
-}
-
 int
 IceTransport::waitForInitialization(unsigned timeout)
 {
@@ -1053,14 +1042,6 @@ IceSocket::send(const unsigned char* buf, size_t len)
     return ice_transport_->send(compId_, buf, len);
 }
 
-ssize_t
-IceSocket::getNextPacketSize() const
-{
-    if (!ice_transport_.get())
-        return -1;
-    return ice_transport_->getNextPacketSize(compId_);
-}
-
 ssize_t
 IceSocket::waitForData(unsigned int timeout)
 {

src/ice_transport.h

@@ -200,8 +200,6 @@ class IceTransport {
 
         ssize_t send(int comp_id, const unsigned char* buf, size_t len);
 
-        ssize_t getNextPacketSize(int comp_id);
-
         int waitForInitialization(unsigned timeout);
 
         int waitForNegotiation(unsigned timeout);