Initial commit: video player - viper

Change-Id: Id5aa33598ce34659bad4a7a9ae5006bfb84f9bd1
Signed-off-by: Luca Muscariello <lumuscar+fdio@cisco.com>

3 files changed, 1069 insertions, 0 deletions

diff --git a/websocketpp/transport/iostream/base.hpp b/websocketpp/transport/iostream/base.hpp
new file mode 100644
index 00000000..f8783987
--- /dev/null
+++ b/websocketpp/transport/iostream/base.hpp
@@ -0,0 +1,133 @@
+/*
+ * Copyright (c) 2014, Peter Thorson. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name of the WebSocket++ Project nor the
+ *       names of its contributors may be used to endorse or promote products
+ *       derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL PETER THORSON BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#ifndef WEBSOCKETPP_TRANSPORT_IOSTREAM_BASE_HPP
+#define WEBSOCKETPP_TRANSPORT_IOSTREAM_BASE_HPP
+
+#include <websocketpp/common/system_error.hpp>
+#include <websocketpp/common/cpp11.hpp>
+#include <websocketpp/common/functional.hpp>
+#include <websocketpp/common/connection_hdl.hpp>
+
+#include <websocketpp/transport/base/connection.hpp>
+
+#include <string>
+#include <vector>
+
+namespace websocketpp {
+namespace transport {
+/// Transport policy that uses STL iostream for I/O and does not support timers
+namespace iostream {
+
+/// The type and signature of the callback used by iostream transport to write
+typedef lib::function<lib::error_code(connection_hdl, char const *, size_t)>
+    write_handler;
+
+/// The type and signature of the callback used by iostream transport to perform
+/// vectored writes.
+/**
+ * If a vectored write handler is not set the standard write handler will be
+ * called multiple times.
+ */
+typedef lib::function<lib::error_code(connection_hdl, std::vector<transport::buffer> const
+    & bufs)> vector_write_handler;
+
+/// The type and signature of the callback used by iostream transport to signal
+/// a transport shutdown.
+typedef lib::function<lib::error_code(connection_hdl)> shutdown_handler;
+
+/// iostream transport errors
+namespace error {
+enum value {
+    /// Catch-all error for transport policy errors that don't fit in other
+    /// categories
+    general = 1,
+
+    /// async_read_at_least call requested more bytes than buffer can store
+    invalid_num_bytes,
+
+    /// async_read called while another async_read was in progress
+    double_read,
+
+    /// An operation that requires an output stream was attempted before
+    /// setting one.
+    output_stream_required,
+
+    /// stream error
+    bad_stream
+};
+
+/// iostream transport error category
+class category : public lib::error_category {
+    public:
+    category() {}
+
+    char const * name() const _WEBSOCKETPP_NOEXCEPT_TOKEN_ {
+        return "websocketpp.transport.iostream";
+    }
+
+    std::string message(int value) const {
+        switch(value) {
+            case general:
+                return "Generic iostream transport policy error";
+            case invalid_num_bytes:
+                return "async_read_at_least call requested more bytes than buffer can store";
+            case double_read:
+                return "Async read already in progress";
+            case output_stream_required:
+                return "An output stream to be set before async_write can be used";
+            case bad_stream:
+                return "A stream operation returned ios::bad";
+            default:
+                return "Unknown";
+        }
+    }
+};
+
+/// Get a reference to a static copy of the iostream transport error category
+inline lib::error_category const & get_category() {
+    static category instance;
+    return instance;
+}
+
+/// Get an error code with the given value and the iostream transport category
+inline lib::error_code make_error_code(error::value e) {
+    return lib::error_code(static_cast<int>(e), get_category());
+}
+
+} // namespace error
+} // namespace iostream
+} // namespace transport
+} // namespace websocketpp
+_WEBSOCKETPP_ERROR_CODE_ENUM_NS_START_
+template<> struct is_error_code_enum<websocketpp::transport::iostream::error::value>
+{
+    static bool const value = true;
+};
+_WEBSOCKETPP_ERROR_CODE_ENUM_NS_END_
+
+#endif // WEBSOCKETPP_TRANSPORT_IOSTREAM_BASE_HPP
diff --git a/websocketpp/transport/iostream/connection.hpp b/websocketpp/transport/iostream/connection.hpp
new file mode 100644
index 00000000..81c4f411
--- /dev/null
+++ b/websocketpp/transport/iostream/connection.hpp
@@ -0,0 +1,714 @@
+/*
+ * Copyright (c) 2014, Peter Thorson. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name of the WebSocket++ Project nor the
+ *       names of its contributors may be used to endorse or promote products
+ *       derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL PETER THORSON BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#ifndef WEBSOCKETPP_TRANSPORT_IOSTREAM_CON_HPP
+#define WEBSOCKETPP_TRANSPORT_IOSTREAM_CON_HPP
+
+#include <websocketpp/transport/iostream/base.hpp>
+
+#include <websocketpp/transport/base/connection.hpp>
+
+#include <websocketpp/uri.hpp>
+
+#include <websocketpp/logger/levels.hpp>
+
+#include <websocketpp/common/connection_hdl.hpp>
+#include <websocketpp/common/memory.hpp>
+#include <websocketpp/common/platforms.hpp>
+
+#include <algorithm>
+#include <iostream>
+#include <sstream>
+#include <string>
+#include <vector>
+
+namespace websocketpp {
+namespace transport {
+namespace iostream {
+
+/// Empty timer class to stub out for timer functionality that iostream
+/// transport doesn't support
+struct timer {
+    void cancel() {}
+};
+
+template <typename config>
+class connection : public lib::enable_shared_from_this< connection<config> > {
+public:
+    /// Type of this connection transport component
+    typedef connection<config> type;
+    /// Type of a shared pointer to this connection transport component
+    typedef lib::shared_ptr<type> ptr;
+
+    /// transport concurrency policy
+    typedef typename config::concurrency_type concurrency_type;
+    /// Type of this transport's access logging policy
+    typedef typename config::alog_type alog_type;
+    /// Type of this transport's error logging policy
+    typedef typename config::elog_type elog_type;
+
+    // Concurrency policy types
+    typedef typename concurrency_type::scoped_lock_type scoped_lock_type;
+    typedef typename concurrency_type::mutex_type mutex_type;
+
+    typedef lib::shared_ptr<timer> timer_ptr;
+
+    explicit connection(bool is_server, alog_type & alog, elog_type & elog)
+      : m_output_stream(NULL)
+      , m_reading(false)
+      , m_is_server(is_server)
+      , m_is_secure(false)
+      , m_alog(alog)
+      , m_elog(elog)
+      , m_remote_endpoint("iostream transport")
+    {
+        m_alog.write(log::alevel::devel,"iostream con transport constructor");
+    }
+
+    /// Get a shared pointer to this component
+    ptr get_shared() {
+        return type::shared_from_this();
+    }
+
+    /// Register a std::ostream with the transport for writing output
+    /**
+     * Register a std::ostream with the transport. All future writes will be
+     * done to this output stream.
+     *
+     * @param o A pointer to the ostream to use for output.
+     */
+    void register_ostream(std::ostream * o) {
+        // TODO: lock transport state?
+        scoped_lock_type lock(m_read_mutex);
+        m_output_stream = o;
+    }
+
+    /// Set uri hook
+    /**
+     * Called by the endpoint as a connection is being established to provide
+     * the uri being connected to to the transport layer.
+     *
+     * This transport policy doesn't use the uri so it is ignored.
+     *
+     * @since 0.6.0
+     *
+     * @param u The uri to set
+     */
+    void set_uri(uri_ptr) {}
+
+    /// Overloaded stream input operator
+    /**
+     * Attempts to read input from the given stream into the transport. Bytes
+     * will be extracted from the input stream to fulfill any pending reads.
+     * Input in this manner will only read until the current read buffer has
+     * been filled. Then it will signal the library to process the input. If the
+     * library's input handler adds a new async_read, additional bytes will be
+     * read, otherwise the input operation will end.
+     *
+     * When this function returns one of the following conditions is true:
+     * - There is no outstanding read operation
+     * - There are no more bytes available in the input stream
+     *
+     * You can use tellg() on the input stream to determine if all of the input
+     * bytes were read or not.
+     *
+     * If there is no pending read operation when the input method is called, it
+     * will return immediately and tellg() will not have changed.
+     */
+    friend std::istream & operator>> (std::istream & in, type & t) {
+        // this serializes calls to external read.
+        scoped_lock_type lock(t.m_read_mutex);
+
+        t.read(in);
+
+        return in;
+    }
+
+    /// Manual input supply (read some)
+    /**
+     * Copies bytes from buf into WebSocket++'s input buffers. Bytes will be
+     * copied from the supplied buffer to fulfill any pending library reads. It
+     * will return the number of bytes successfully processed. If there are no
+     * pending reads read_some will return immediately. Not all of the bytes may
+     * be able to be read in one call.
+     *
+     * @since 0.3.0-alpha4
+     *
+     * @param buf Char buffer to read into the websocket
+     * @param len Length of buf
+     * @return The number of characters from buf actually read.
+     */
+    size_t read_some(char const * buf, size_t len) {
+        // this serializes calls to external read.
+        scoped_lock_type lock(m_read_mutex);
+
+        return this->read_some_impl(buf,len);
+    }
+
+    /// Manual input supply (read all)
+    /**
+     * Similar to read_some, but continues to read until all bytes in the
+     * supplied buffer have been read or the connection runs out of read
+     * requests.
+     *
+     * This method still may not read all of the bytes in the input buffer. if
+     * it doesn't it indicates that the connection was most likely closed or
+     * is in an error state where it is no longer accepting new input.
+     *
+     * @since 0.3.0
+     *
+     * @param buf Char buffer to read into the websocket
+     * @param len Length of buf
+     * @return The number of characters from buf actually read.
+     */
+    size_t read_all(char const * buf, size_t len) {
+        // this serializes calls to external read.
+        scoped_lock_type lock(m_read_mutex);
+
+        size_t total_read = 0;
+        size_t temp_read = 0;
+
+        do {
+            temp_read = this->read_some_impl(buf+total_read,len-total_read);
+            total_read += temp_read;
+        } while (temp_read != 0 && total_read < len);
+
+        return total_read;
+    }
+
+    /// Manual input supply (DEPRECATED)
+    /**
+     * @deprecated DEPRECATED in favor of read_some()
+     * @see read_some()
+     */
+    size_t readsome(char const * buf, size_t len) {
+        return this->read_some(buf,len);
+    }
+
+    /// Signal EOF
+    /**
+     * Signals to the transport that data stream being read has reached EOF and
+     * that no more bytes may be read or written to/from the transport.
+     *
+     * @since 0.3.0-alpha4
+     */
+    void eof() {
+        // this serializes calls to external read.
+        scoped_lock_type lock(m_read_mutex);
+
+        if (m_reading) {
+            complete_read(make_error_code(transport::error::eof));
+        }
+    }
+
+    /// Signal transport error
+    /**
+     * Signals to the transport that a fatal data stream error has occurred and
+     * that no more bytes may be read or written to/from the transport.
+     *
+     * @since 0.3.0-alpha4
+     */
+    void fatal_error() {
+        // this serializes calls to external read.
+        scoped_lock_type lock(m_read_mutex);
+
+        if (m_reading) {
+            complete_read(make_error_code(transport::error::pass_through));
+        }
+    }
+
+    /// Set whether or not this connection is secure
+    /**
+     * The iostream transport does not provide any security features. As such
+     * it defaults to returning false when `is_secure` is called. However, the
+     * iostream transport may be used to wrap an external socket API that may
+     * provide secure transport. This method allows that external API to flag
+     * whether or not this connection is secure so that users of the WebSocket++
+     * API will get more accurate information.
+     *
+     * @since 0.3.0-alpha4
+     *
+     * @param value Whether or not this connection is secure.
+     */
+    void set_secure(bool value) {
+        m_is_secure = value;
+    }
+
+    /// Tests whether or not the underlying transport is secure
+    /**
+     * iostream transport will return false always because it has no information
+     * about the ultimate remote endpoint. This may or may not be accurate
+     * depending on the real source of bytes being input. The `set_secure`
+     * method may be used to flag connections that are secured by an external
+     * API
+     *
+     * @return Whether or not the underlying transport is secure
+     */
+    bool is_secure() const {
+        return m_is_secure;
+    }
+
+    /// Set human readable remote endpoint address
+    /**
+     * Sets the remote endpoint address returned by `get_remote_endpoint`. This
+     * value should be a human readable string that describes the remote
+     * endpoint. Typically an IP address or hostname, perhaps with a port. But
+     * may be something else depending on the nature of the underlying
+     * transport.
+     *
+     * If none is set the default is "iostream transport".
+     *
+     * @since 0.3.0-alpha4
+     *
+     * @param value The remote endpoint address to set.
+     */
+    void set_remote_endpoint(std::string value) {
+        m_remote_endpoint = value;
+    }
+
+    /// Get human readable remote endpoint address
+    /**
+     * The iostream transport has no information about the ultimate remote
+     * endpoint. It will return the string "iostream transport". The
+     * `set_remote_endpoint` method may be used by external network code to set
+     * a more accurate value.
+     *
+     * This value is used in access and error logs and is available to the end
+     * application for including in user facing interfaces and messages.
+     *
+     * @return A string identifying the address of the remote endpoint
+     */
+    std::string get_remote_endpoint() const {
+        return m_remote_endpoint;
+    }
+
+    /// Get the connection handle
+    /**
+     * @return The handle for this connection.
+     */
+    connection_hdl get_handle() const {
+        return m_connection_hdl;
+    }
+
+    /// Call back a function after a period of time.
+    /**
+     * Timers are not implemented in this transport. The timer pointer will
+     * always be empty. The handler will never be called.
+     *
+     * @param duration Length of time to wait in milliseconds
+     * @param callback The function to call back when the timer has expired
+     * @return A handle that can be used to cancel the timer if it is no longer
+     * needed.
+     */
+    timer_ptr set_timer(long, timer_handler) {
+        return timer_ptr();
+    }
+
+    /// Sets the write handler
+    /**
+     * The write handler is called when the iostream transport receives data
+     * that needs to be written to the appropriate output location. This handler
+     * can be used in place of registering an ostream for output.
+     *
+     * The signature of the handler is
+     * `lib::error_code (connection_hdl, char const *, size_t)` The
+     * code returned will be reported and logged by the core library.
+     *
+     * See also, set_vector_write_handler, for an optional write handler that
+     * allows more efficient handling of multiple writes at once.
+     *
+     * @see set_vector_write_handler
+     *
+     * @since 0.5.0
+     *
+     * @param h The handler to call when data is to be written.
+     */
+    void set_write_handler(write_handler h) {
+        m_write_handler = h;
+    }
+
+    /// Sets the vectored write handler
+    /**
+     * The vectored write handler is called when the iostream transport receives
+     * multiple chunks of data that need to be written to the appropriate output
+     * location. This handler can be used in conjunction with the write_handler
+     * in place of registering an ostream for output.
+     *
+     * The sequence of buffers represents bytes that should be written
+     * consecutively and it is suggested to group the buffers into as few next
+     * layer packets as possible. Vector write is used to allow implementations
+     * that support it to coalesce writes into a single TCP packet or TLS
+     * segment for improved efficiency.
+     *
+     * This is an optional handler. If it is not defined then multiple calls
+     * will be made to the standard write handler.
+     *
+     * The signature of the handler is
+     * `lib::error_code (connection_hdl, std::vector<websocketpp::transport::buffer>
+     * const & bufs)`. The code returned will be reported and logged by the core
+     * library. The `websocketpp::transport::buffer` type is a struct with two
+     * data members. buf (char const *) and len (size_t).
+     *
+     * @since 0.6.0
+     *
+     * @param h The handler to call when vectored data is to be written.
+     */
+    void set_vector_write_handler(vector_write_handler h) {
+        m_vector_write_handler = h;
+    }
+
+    /// Sets the shutdown handler
+    /**
+     * The shutdown handler is called when the iostream transport receives a
+     * notification from the core library that it is finished with all read and
+     * write operations and that the underlying transport can be cleaned up.
+     *
+     * If you are using iostream transport with another socket library, this is
+     * a good time to close/shutdown the socket for this connection.
+     *
+     * The signature of the handler is `lib::error_code (connection_hdl)`. The
+     * code returned will be reported and logged by the core library.
+     *
+     * @since 0.5.0
+     *
+     * @param h The handler to call on connection shutdown.
+     */
+    void set_shutdown_handler(shutdown_handler h) {
+        m_shutdown_handler = h;
+    }
+protected:
+    /// Initialize the connection transport
+    /**
+     * Initialize the connection's transport component.
+     *
+     * @param handler The `init_handler` to call when initialization is done
+     */
+    void init(init_handler handler) {
+        m_alog.write(log::alevel::devel,"iostream connection init");
+        handler(lib::error_code());
+    }
+
+    /// Initiate an async_read for at least num_bytes bytes into buf
+    /**
+     * Initiates an async_read request for at least num_bytes bytes. The input
+     * will be read into buf. A maximum of len bytes will be input. When the
+     * operation is complete, handler will be called with the status and number
+     * of bytes read.
+     *
+     * This method may or may not call handler from within the initial call. The
+     * application should be prepared to accept either.
+     *
+     * The application should never call this method a second time before it has
+     * been called back for the first read. If this is done, the second read
+     * will be called back immediately with a double_read error.
+     *
+     * If num_bytes or len are zero handler will be called back immediately
+     * indicating success.
+     *
+     * @param num_bytes Don't call handler until at least this many bytes have
+     * been read.
+     * @param buf The buffer to read bytes into
+     * @param len The size of buf. At maximum, this many bytes will be read.
+     * @param handler The callback to invoke when the operation is complete or
+     * ends in an error
+     */
+    void async_read_at_least(size_t num_bytes, char *buf, size_t len,
+        read_handler handler)
+    {
+        std::stringstream s;
+        s << "iostream_con async_read_at_least: " << num_bytes;
+        m_alog.write(log::alevel::devel,s.str());
+
+        if (num_bytes > len) {
+            handler(make_error_code(error::invalid_num_bytes),size_t(0));
+            return;
+        }
+
+        if (m_reading == true) {
+            handler(make_error_code(error::double_read),size_t(0));
+            return;
+        }
+
+        if (num_bytes == 0 || len == 0) {
+            handler(lib::error_code(),size_t(0));
+            return;
+        }
+
+        m_buf = buf;
+        m_len = len;
+        m_bytes_needed = num_bytes;
+        m_read_handler = handler;
+        m_cursor = 0;
+        m_reading = true;
+    }
+
+    /// Asyncronous Transport Write
+    /**
+     * Write len bytes in buf to the output method. Call handler to report
+     * success or failure. handler may or may not be called during async_write,
+     * but it must be safe for this to happen.
+     *
+     * Will return 0 on success. Other possible errors (not exhaustive)
+     * output_stream_required: No output stream was registered to write to
+     * bad_stream: a ostream pass through error
+     *
+     * This method will attempt to write to the registered ostream first. If an
+     * ostream is not registered it will use the write handler. If neither are
+     * registered then an error is passed up to the connection.
+     *
+     * @param buf buffer to read bytes from
+     * @param len number of bytes to write
+     * @param handler Callback to invoke with operation status.
+     */
+    void async_write(char const * buf, size_t len, transport::write_handler
+        handler)
+    {
+        m_alog.write(log::alevel::devel,"iostream_con async_write");
+        // TODO: lock transport state?
+
+        lib::error_code ec;
+
+        if (m_output_stream) {
+            m_output_stream->write(buf,len);
+
+            if (m_output_stream->bad()) {
+                ec = make_error_code(error::bad_stream);
+            }
+        } else if (m_write_handler) {
+            ec = m_write_handler(m_connection_hdl, buf, len);
+        } else {
+            ec = make_error_code(error::output_stream_required);
+        }
+
+        handler(ec);
+    }
+
+    /// Asyncronous Transport Write (scatter-gather)
+    /**
+     * Write a sequence of buffers to the output method. Call handler to report
+     * success or failure. handler may or may not be called during async_write,
+     * but it must be safe for this to happen.
+     *
+     * Will return 0 on success. Other possible errors (not exhaustive)
+     * output_stream_required: No output stream was registered to write to
+     * bad_stream: a ostream pass through error
+     *
+     * This method will attempt to write to the registered ostream first. If an
+     * ostream is not registered it will use the write handler. If neither are
+     * registered then an error is passed up to the connection.
+     *
+     * @param bufs vector of buffers to write
+     * @param handler Callback to invoke with operation status.
+     */
+    void async_write(std::vector<buffer> const & bufs, transport::write_handler
+        handler)
+    {
+        m_alog.write(log::alevel::devel,"iostream_con async_write buffer list");
+        // TODO: lock transport state?
+
+        lib::error_code ec;
+
+        if (m_output_stream) {
+            std::vector<buffer>::const_iterator it;
+            for (it = bufs.begin(); it != bufs.end(); it++) {
+                m_output_stream->write((*it).buf,(*it).len);
+
+                if (m_output_stream->bad()) {
+                    ec = make_error_code(error::bad_stream);
+                    break;
+                }
+            }
+        } else if (m_vector_write_handler) {
+            ec = m_vector_write_handler(m_connection_hdl, bufs);
+        } else if (m_write_handler) {
+            std::vector<buffer>::const_iterator it;
+            for (it = bufs.begin(); it != bufs.end(); it++) {
+                ec = m_write_handler(m_connection_hdl, (*it).buf, (*it).len);
+                if (ec) {break;}
+            }
+
+        } else {
+            ec = make_error_code(error::output_stream_required);
+        }
+
+        handler(ec);
+    }
+
+    /// Set Connection Handle
+    /**
+     * @param hdl The new handle
+     */
+    void set_handle(connection_hdl hdl) {
+        m_connection_hdl = hdl;
+    }
+
+    /// Call given handler back within the transport's event system (if present)
+    /**
+     * Invoke a callback within the transport's event system if it has one. If
+     * it doesn't, the handler will be invoked immediately before this function
+     * returns.
+     *
+     * @param handler The callback to invoke
+     *
+     * @return Whether or not the transport was able to register the handler for
+     * callback.
+     */
+    lib::error_code dispatch(dispatch_handler handler) {
+        handler();
+        return lib::error_code();
+    }
+
+    /// Perform cleanup on socket shutdown_handler
+    /**
+     * If a shutdown handler is set, call it and pass through its return error
+     * code. Otherwise assume there is nothing to do and pass through a success
+     * code.
+     *
+     * @param handler The `shutdown_handler` to call back when complete
+     */
+    void async_shutdown(transport::shutdown_handler handler) {
+        lib::error_code ec;
+
+        if (m_shutdown_handler) {
+            ec = m_shutdown_handler(m_connection_hdl);
+        }
+
+        handler(ec);
+    }
+private:
+    void read(std::istream &in) {
+        m_alog.write(log::alevel::devel,"iostream_con read");
+
+        while (in.good()) {
+            if (!m_reading) {
+                m_elog.write(log::elevel::devel,"write while not reading");
+                break;
+            }
+
+            in.read(m_buf+m_cursor,static_cast<std::streamsize>(m_len-m_cursor));
+
+            if (in.gcount() == 0) {
+                m_elog.write(log::elevel::devel,"read zero bytes");
+                break;
+            }
+
+            m_cursor += static_cast<size_t>(in.gcount());
+
+            // TODO: error handling
+            if (in.bad()) {
+                m_reading = false;
+                complete_read(make_error_code(error::bad_stream));
+            }
+
+            if (m_cursor >= m_bytes_needed) {
+                m_reading = false;
+                complete_read(lib::error_code());
+            }
+        }
+    }
+
+    size_t read_some_impl(char const * buf, size_t len) {
+        m_alog.write(log::alevel::devel,"iostream_con read_some");
+
+        if (!m_reading) {
+            m_elog.write(log::elevel::devel,"write while not reading");
+            return 0;
+        }
+
+        size_t bytes_to_copy = (std::min)(len,m_len-m_cursor);
+
+        std::copy(buf,buf+bytes_to_copy,m_buf+m_cursor);
+
+        m_cursor += bytes_to_copy;
+
+        if (m_cursor >= m_bytes_needed) {
+            complete_read(lib::error_code());
+        }
+
+        return bytes_to_copy;
+    }
+
+    /// Signal that a requested read is complete
+    /**
+     * Sets the reading flag to false and returns the handler that should be
+     * called back with the result of the read. The cursor position that is sent
+     * is whatever the value of m_cursor is.
+     *
+     * It MUST NOT be called when m_reading is false.
+     * it MUST be called while holding the read lock
+     *
+     * It is important to use this method rather than directly setting/calling
+     * m_read_handler back because this function makes sure to delete the
+     * locally stored handler which contains shared pointers that will otherwise
+     * cause circular reference based memory leaks.
+     *
+     * @param ec The error code to forward to the read handler
+     */
+    void complete_read(lib::error_code const & ec) {
+        m_reading = false;
+
+        read_handler handler = m_read_handler;
+        m_read_handler = read_handler();
+
+        handler(ec,m_cursor);
+    }
+
+    // Read space (Protected by m_read_mutex)
+    char *          m_buf;
+    size_t          m_len;
+    size_t          m_bytes_needed;
+    read_handler    m_read_handler;
+    size_t          m_cursor;
+
+    // transport resources
+    std::ostream *  m_output_stream;
+    connection_hdl  m_connection_hdl;
+    write_handler   m_write_handler;
+    vector_write_handler m_vector_write_handler;
+    shutdown_handler    m_shutdown_handler;
+
+    bool            m_reading;
+    bool const      m_is_server;
+    bool            m_is_secure;
+    alog_type &     m_alog;
+    elog_type &     m_elog;
+    std::string     m_remote_endpoint;
+
+    // This lock ensures that only one thread can edit read data for this
+    // connection. This is a very coarse lock that is basically locked all the
+    // time. The nature of the connection is such that it cannot be
+    // parallelized, the locking is here to prevent intra-connection concurrency
+    // in order to allow inter-connection concurrency.
+    mutex_type      m_read_mutex;
+};
+
+
+} // namespace iostream
+} // namespace transport
+} // namespace websocketpp
+
+#endif // WEBSOCKETPP_TRANSPORT_IOSTREAM_CON_HPP
diff --git a/websocketpp/transport/iostream/endpoint.hpp b/websocketpp/transport/iostream/endpoint.hpp
new file mode 100644
index 00000000..14ec6537
--- /dev/null
+++ b/websocketpp/transport/iostream/endpoint.hpp
@@ -0,0 +1,222 @@
+/*
+ * Copyright (c) 2014, Peter Thorson. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name of the WebSocket++ Project nor the
+ *       names of its contributors may be used to endorse or promote products
+ *       derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL PETER THORSON BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#ifndef WEBSOCKETPP_TRANSPORT_IOSTREAM_HPP
+#define WEBSOCKETPP_TRANSPORT_IOSTREAM_HPP
+
+#include <websocketpp/transport/base/endpoint.hpp>
+#include <websocketpp/transport/iostream/connection.hpp>
+
+#include <websocketpp/uri.hpp>
+#include <websocketpp/logger/levels.hpp>
+
+#include <websocketpp/common/memory.hpp>
+
+#include <ostream>
+
+namespace websocketpp {
+namespace transport {
+namespace iostream {
+
+template <typename config>
+class endpoint {
+public:
+    /// Type of this endpoint transport component
+    typedef endpoint type;
+    /// Type of a pointer to this endpoint transport component
+    typedef lib::shared_ptr<type> ptr;
+
+    /// Type of this endpoint's concurrency policy
+    typedef typename config::concurrency_type concurrency_type;
+    /// Type of this endpoint's error logging policy
+    typedef typename config::elog_type elog_type;
+    /// Type of this endpoint's access logging policy
+    typedef typename config::alog_type alog_type;
+
+    /// Type of this endpoint transport component's associated connection
+    /// transport component.
+    typedef iostream::connection<config> transport_con_type;
+    /// Type of a shared pointer to this endpoint transport component's
+    /// associated connection transport component
+    typedef typename transport_con_type::ptr transport_con_ptr;
+
+    // generate and manage our own io_service
+    explicit endpoint() : m_output_stream(NULL), m_is_secure(false)
+    {
+        //std::cout << "transport::iostream::endpoint constructor" << std::endl;
+    }
+
+    /// Register a default output stream
+    /**
+     * The specified output stream will be assigned to future connections as the
+     * default output stream.
+     *
+     * @param o The ostream to use as the default output stream.
+     */
+    void register_ostream(std::ostream * o) {
+        m_alog->write(log::alevel::devel,"register_ostream");
+        m_output_stream = o;
+    }
+
+    /// Set whether or not endpoint can create secure connections
+    /**
+     * The iostream transport does not provide any security features. As such
+     * it defaults to returning false when `is_secure` is called. However, the
+     * iostream transport may be used to wrap an external socket API that may
+     * provide secure transport. This method allows that external API to flag
+     * whether or not it can create secure connections so that users of the
+     * WebSocket++ API will get more accurate information.
+     *
+     * Setting this value only indicates whether or not the endpoint is capable
+     * of producing and managing secure connections. Connections produced by
+     * this endpoint must also be individually flagged as secure if they are.
+     *
+     * @since 0.3.0-alpha4
+     *
+     * @param value Whether or not the endpoint can create secure connections.
+     */
+    void set_secure(bool value) {
+        m_is_secure = value;
+    }
+
+    /// Tests whether or not the underlying transport is secure
+    /**
+     * iostream transport will return false by default because it has no
+     * information about the ultimate remote endpoint. This may or may not be
+     * accurate depending on the real source of bytes being input. `set_secure`
+     * may be used by a wrapper API to correct the return value in the case that
+     * secure connections are in fact possible.
+     *
+     * @return Whether or not the underlying transport is secure
+     */
+    bool is_secure() const {
+        return m_is_secure;
+    }
+    
+    /// Sets the write handler
+    /**
+     * The write handler is called when the iostream transport receives data
+     * that needs to be written to the appropriate output location. This handler
+     * can be used in place of registering an ostream for output.
+     *
+     * The signature of the handler is 
+     * `lib::error_code (connection_hdl, char const *, size_t)` The
+     * code returned will be reported and logged by the core library.
+     *
+     * @since 0.5.0
+     *
+     * @param h The handler to call on connection shutdown.
+     */
+    void set_write_handler(write_handler h) {
+        m_write_handler = h;
+    }
+    
+    /// Sets the shutdown handler
+    /**
+     * The shutdown handler is called when the iostream transport receives a
+     * notification from the core library that it is finished with all read and
+     * write operations and that the underlying transport can be cleaned up.
+     *
+     * If you are using iostream transport with another socket library, this is
+     * a good time to close/shutdown the socket for this connection.
+     *
+     * The signature of the handler is lib::error_code (connection_hdl). The
+     * code returned will be reported and logged by the core library.
+     *
+     * @since 0.5.0
+     *
+     * @param h The handler to call on connection shutdown.
+     */
+    void set_shutdown_handler(shutdown_handler h) {
+        m_shutdown_handler = h;
+    }
+protected:
+    /// Initialize logging
+    /**
+     * The loggers are located in the main endpoint class. As such, the
+     * transport doesn't have direct access to them. This method is called
+     * by the endpoint constructor to allow shared logging from the transport
+     * component. These are raw pointers to member variables of the endpoint.
+     * In particular, they cannot be used in the transport constructor as they
+     * haven't been constructed yet, and cannot be used in the transport
+     * destructor as they will have been destroyed by then.
+     *
+     * @param a A pointer to the access logger to use.
+     * @param e A pointer to the error logger to use.
+     */
+    void init_logging(alog_type * a, elog_type * e) {
+        m_elog = e;
+        m_alog = a;
+    }
+
+    /// Initiate a new connection
+    /**
+     * @param tcon A pointer to the transport connection component of the
+     * connection to connect.
+     * @param u A URI pointer to the URI to connect to.
+     * @param cb The function to call back with the results when complete.
+     */
+    void async_connect(transport_con_ptr, uri_ptr, connect_handler cb) {
+        cb(lib::error_code());
+    }
+
+    /// Initialize a connection
+    /**
+     * Init is called by an endpoint once for each newly created connection.
+     * It's purpose is to give the transport policy the chance to perform any
+     * transport specific initialization that couldn't be done via the default
+     * constructor.
+     *
+     * @param tcon A pointer to the transport portion of the connection.
+     * @return A status code indicating the success or failure of the operation
+     */
+    lib::error_code init(transport_con_ptr tcon) {
+        tcon->register_ostream(m_output_stream);
+        if (m_shutdown_handler) {
+            tcon->set_shutdown_handler(m_shutdown_handler);
+        }
+        if (m_write_handler) {
+            tcon->set_write_handler(m_write_handler);
+        }
+        return lib::error_code();
+    }
+private:
+    std::ostream *  m_output_stream;
+    shutdown_handler m_shutdown_handler;
+    write_handler   m_write_handler;
+    
+    elog_type *     m_elog;
+    alog_type *     m_alog;
+    bool            m_is_secure;
+};
+
+
+} // namespace iostream
+} // namespace transport
+} // namespace websocketpp
+
+#endif // WEBSOCKETPP_TRANSPORT_IOSTREAM_HPP