| // Copyright (c) 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 LIBRARIES_NACL_IO_MOUNT_NODE_SOCKET_H_ |
| #define LIBRARIES_NACL_IO_MOUNT_NODE_SOCKET_H_ |
| |
| #include "nacl_io/ossocket.h" |
| #ifdef PROVIDES_SOCKET_API |
| |
| #include <sys/fcntl.h> |
| #include <ppapi/c/pp_errors.h> |
| #include <ppapi/c/pp_resource.h> |
| #include <ppapi/c/ppb_net_address.h> |
| |
| #include "nacl_io/mount.h" |
| #include "nacl_io/mount_node.h" |
| #include "nacl_io/mount_node_stream.h" |
| #include "nacl_io/pepper_interface.h" |
| |
| namespace nacl_io { |
| |
| /* Only allow single maximum transfers of 64K or less. Socket users |
| * should be looping on Send/Recv size. */ |
| static const size_t MAX_SOCK_TRANSFER = 65536; |
| |
| class MountStream; |
| class MountNodeSocket; |
| typedef sdk_util::ScopedRef<MountNodeSocket> ScopedMountNodeSocket; |
| |
| class MountNodeSocket : public MountNodeStream { |
| public: |
| explicit MountNodeSocket(Mount* mount); |
| MountNodeSocket(Mount* mount, PP_Resource socket); |
| |
| protected: |
| virtual void Destroy(); |
| |
| public: |
| // Normal read/write operations on a file (recv/send). |
| virtual Error Read(const HandleAttr& attr, |
| void* buf, |
| size_t count, |
| int* out_bytes); |
| virtual Error Write(const HandleAttr& attr, |
| const void* buf, |
| size_t count, |
| int* out_bytes); |
| |
| virtual Error GetSockOpt(int lvl, int optname, void* optval, socklen_t* len); |
| virtual Error SetSockOpt(int lvl, |
| int optname, |
| const void* optval, |
| socklen_t len); |
| |
| // Unsupported Functions |
| virtual Error MMap(void* addr, |
| size_t length, |
| int prot, |
| int flags, |
| size_t offset, |
| void** out_addr); |
| |
| // Socket Functions. |
| virtual Error Accept(const HandleAttr& attr, |
| PP_Resource* new_sock, |
| struct sockaddr* addr, |
| socklen_t* len); |
| virtual Error Bind(const struct sockaddr* addr, socklen_t len); |
| virtual Error Connect(const HandleAttr& attr, |
| const struct sockaddr* addr, |
| socklen_t len); |
| virtual Error Listen(int backlog); |
| virtual Error Recv(const HandleAttr& attr, |
| void* buf, |
| size_t len, |
| int flags, |
| int* out_len); |
| virtual Error RecvFrom(const HandleAttr& attr, |
| void* buf, |
| size_t len, |
| int flags, |
| struct sockaddr* src_addr, |
| socklen_t* addrlen, |
| int* out_len); |
| virtual Error Send(const HandleAttr& attr, |
| const void* buf, |
| size_t len, |
| int flags, |
| int* out_len); |
| virtual Error SendTo(const HandleAttr& attr, |
| const void* buf, |
| size_t len, |
| int flags, |
| const struct sockaddr* dest_addr, |
| socklen_t addrlen, |
| int* out_len); |
| |
| virtual Error Shutdown(int how); |
| |
| virtual Error GetPeerName(struct sockaddr* addr, socklen_t* len); |
| virtual Error GetSockName(struct sockaddr* addr, socklen_t* len); |
| |
| PP_Resource socket_resource() { return socket_resource_; } |
| PP_Resource remote_addr() { return remote_addr_; } |
| |
| // Updates socket's state, recording last error. |
| virtual void SetError_Locked(int pp_error_num); |
| |
| protected: |
| bool IsBound() { return local_addr_ != 0; } |
| bool IsConnected() { return remote_addr_ != 0; } |
| |
| // Wraps common error checks, timeouts, work pump for send. |
| Error SendHelper(const HandleAttr& attr, |
| const void* buf, |
| size_t len, |
| int flags, |
| PP_Resource addr, |
| int* out_len); |
| |
| // Wraps common error checks, timeouts, work pump for recv. |
| Error RecvHelper(const HandleAttr& attr, |
| void* buf, |
| size_t len, |
| int flags, |
| PP_Resource* addr, |
| int* out_len); |
| |
| |
| // Per socket type send and recv |
| virtual Error Recv_Locked(void* buffer, |
| size_t len, |
| PP_Resource* out_addr, |
| int* out_len) = 0; |
| |
| virtual Error Send_Locked(const void* buffer, |
| size_t len, |
| PP_Resource addr, |
| int* out_len) = 0; |
| |
| |
| NetAddressInterface* NetInterface(); |
| TCPSocketInterface* TCPInterface(); |
| UDPSocketInterface* UDPInterface(); |
| |
| PP_Resource SockAddrToResource(const struct sockaddr* addr, socklen_t len); |
| socklen_t ResourceToSockAddr(PP_Resource addr, |
| socklen_t len, |
| struct sockaddr* out_addr); |
| |
| bool IsEquivalentAddress(PP_Resource addr1, PP_Resource addr2); |
| |
| protected: |
| PP_Resource socket_resource_; |
| PP_Resource local_addr_; |
| PP_Resource remote_addr_; |
| uint32_t socket_flags_; |
| int last_errno_; |
| |
| friend class KernelProxy; |
| friend class MountStream; |
| }; |
| |
| } // namespace nacl_io |
| |
| #endif // PROVIDES_SOCKET_API |
| #endif // LIBRARIES_NACL_IO_MOUNT_NODE_SOCKET_H_ |