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author | yzshen@chromium.org <yzshen@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98> | 2013-06-24 06:04:39 +0000 |
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committer | yzshen@chromium.org <yzshen@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98> | 2013-06-24 06:04:39 +0000 |
commit | 8de13299a27282d8ebcb4b9e10f7439d538f1a5f (patch) | |
tree | 0dc534123d2d8f547a76425f1a10b8af6385be63 /ppapi/cpp/udp_socket.h | |
parent | 57d2dfa3c2de8b33fc5ca2555897f70c8c769429 (diff) | |
download | chromium_src-8de13299a27282d8ebcb4b9e10f7439d538f1a5f.zip chromium_src-8de13299a27282d8ebcb4b9e10f7439d538f1a5f.tar.gz chromium_src-8de13299a27282d8ebcb4b9e10f7439d538f1a5f.tar.bz2 |
Move PPB_UDPSocket out of dev.
BUG=247225
TEST=None
Review URL: https://chromiumcodereview.appspot.com/17094015
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@208145 0039d316-1c4b-4281-b951-d872f2087c98
Diffstat (limited to 'ppapi/cpp/udp_socket.h')
-rw-r--r-- | ppapi/cpp/udp_socket.h | 160 |
1 files changed, 160 insertions, 0 deletions
diff --git a/ppapi/cpp/udp_socket.h b/ppapi/cpp/udp_socket.h new file mode 100644 index 0000000..fa599d7 --- /dev/null +++ b/ppapi/cpp/udp_socket.h @@ -0,0 +1,160 @@ +// Copyright 2013 The Chromium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +#ifndef PPAPI_CPP_UDP_SOCKET_H_ +#define PPAPI_CPP_UDP_SOCKET_H_ + +#include "ppapi/c/ppb_udp_socket.h" +#include "ppapi/cpp/net_address.h" +#include "ppapi/cpp/pass_ref.h" +#include "ppapi/cpp/resource.h" + +namespace pp { + +class CompletionCallback; +class InstanceHandle; +class Var; + +template <typename T> class CompletionCallbackWithOutput; + +/// The <code>UDPSocket</code> class provides UDP socket operations. +/// +/// Permissions: Apps permission <code>socket</code> with subrule +/// <code>udp-bind</code> is required for <code>Bind()</code>; subrule +/// <code>udp-send-to</code> is required for <code>SendTo()</code>. +/// For more details about network communication permissions, please see: +/// http://developer.chrome.com/apps/app_network.html +class UDPSocket : public Resource { + public: + /// Default constructor for creating an is_null() <code>UDPSocket</code> + /// object. + UDPSocket(); + + /// A constructor used to create a <code>UDPSocket</code> object. + /// + /// @param[in] instance The instance with which this resource will be + /// associated. + explicit UDPSocket(const InstanceHandle& instance); + + /// A constructor used when you have received a <code>PP_Resource</code> as a + /// return value that has had 1 ref added for you. + /// + /// @param[in] resource A <code>PPB_UDPSocket</code> resource. + UDPSocket(PassRef, PP_Resource resource); + + /// The copy constructor for <code>UDPSocket</code>. + /// + /// @param[in] other A reference to another <code>UDPSocket</code>. + UDPSocket(const UDPSocket& other); + + /// The destructor. + virtual ~UDPSocket(); + + /// The assignment operator for <code>UDPSocket</code>. + /// + /// @param[in] other A reference to another <code>UDPSocket</code>. + /// + /// @return A reference to this <code>UDPSocket</code> object. + UDPSocket& operator=(const UDPSocket& other); + + /// Static function for determining whether the browser supports the + /// <code>PPB_UDPSocket</code> interface. + /// + /// @return true if the interface is available, false otherwise. + static bool IsAvailable(); + + /// Binds the socket to the given address. + /// + /// @param[in] addr A <code>NetAddress</code> object. + /// @param[in] callback A <code>CompletionCallback</code> to be called upon + /// completion. + /// + /// @return An int32_t containing an error code from <code>pp_errors.h</code>. + /// <code>PP_ERROR_NOACCESS</code> will be returned if the caller doesn't have + /// required permissions. <code>PP_ERROR_ADDRESS_IN_USE</code> will be + /// returned if the address is already in use. + int32_t Bind(const NetAddress& addr, + const CompletionCallback& callback); + + /// Get the address that the socket is bound to. The socket must be bound. + /// + /// @return A <code>NetAddress</code> object. The object will be null + /// (i.e., is_null() returns true) on failure. + NetAddress GetBoundAddress(); + + /// Receives data from the socket and stores the source address. The socket + /// must be bound. + /// + /// <strong>Caveat:</strong> You should be careful about the lifetime of + /// <code>buffer</code>. Typically you will use a + /// <code>CompletionCallbackFactory</code> to scope callbacks to the lifetime + /// of your class. When your class goes out of scope, the callback factory + /// will not actually cancel the operation, but will rather just skip issuing + /// the callback on your class. This means that if the underlying + /// <code>PPB_UDPSocket</code> resource outlives your class, the browser + /// will still try to write into your buffer when the operation completes. + /// The buffer must be kept valid until then to avoid memory corruption. + /// If you want to release the buffer while the <code>RecvFrom()</code> call + /// is still pending, you should call <code>Close()</code> to ensure that the + /// buffer won't be accessed in the future. + /// + /// @param[out] buffer The buffer to store the received data on success. It + /// must be at least as large as <code>num_bytes</code>. + /// @param[in] num_bytes The number of bytes to receive. + /// @param[in] callback A <code>CompletionCallbackWithOutput</code> to be + /// called upon completion. + /// + /// @return A non-negative number on success to indicate how many bytes have + /// been received; otherwise, an error code from <code>pp_errors.h</code>. + int32_t RecvFrom( + char* buffer, + int32_t num_bytes, + const CompletionCallbackWithOutput<NetAddress>& callback); + + /// Sends data to a specific destination. The socket must be bound. + /// + /// @param[in] buffer The buffer containing the data to send. + /// @param[in] num_bytes The number of bytes to send. + /// @param[in] addr A <code>NetAddress</code> object holding the destination + /// address. + /// @param[in] callback A <code>CompletionCallback</code> to be called upon + /// completion. + /// + /// @return A non-negative number on success to indicate how many bytes have + /// been sent; otherwise, an error code from <code>pp_errors.h</code>. + /// <code>PP_ERROR_NOACCESS</code> will be returned if the caller doesn't have + /// required permissions. + int32_t SendTo(const char* buffer, + int32_t num_bytes, + const NetAddress& addr, + const CompletionCallback& callback); + + /// Cancels all pending reads and writes, and closes the socket. Any pending + /// callbacks will still run, reporting <code>PP_ERROR_ABORTED</code> if + /// pending IO was interrupted. After a call to this method, no output + /// paramters passed into previous <code>RecvFrom()</code> calls will be + /// accessed. It is not valid to call <code>Bind()</code> again. + /// + /// The socket is implicitly closed if it is destroyed, so you are not + /// required to call this method. + void Close(); + + /// Sets a socket option on the UDP socket. + /// Please see the <code>PP_UDPSocket_Option</code> description for option + /// names, value types and allowed values. + /// + /// @param[in] name The option to set. + /// @param[in] value The option value to set. + /// @param[in] callback A <code>CompletionCallback</code> to be called upon + /// completion. + /// + /// @return An int32_t containing an error code from <code>pp_errors.h</code>. + int32_t SetOption(PP_UDPSocket_Option name, + const Var& value, + const CompletionCallback& callback); +}; + +} // namespace pp + +#endif // PPAPI_CPP_UDP_SOCKET_H_ |