| /* |
| * Copyright (c) 2016, The OpenThread Authors. |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. 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. |
| * 3. Neither the name of the copyright holder 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 THE COPYRIGHT HOLDER OR CONTRIBUTORS 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. |
| */ |
| |
| /** |
| * @file |
| * This file implements the CLI server on a UDP socket. |
| */ |
| |
| #include "cli_udp.hpp" |
| |
| #include <stdarg.h> |
| #include <stdio.h> |
| #include "utils/wrap_string.h" |
| |
| #include "cli/cli.hpp" |
| #include "common/code_utils.hpp" |
| |
| namespace ot { |
| namespace Cli { |
| |
| Udp::Udp(otInstance *aInstance, Interpreter *aInterpreter): |
| mInstance(aInstance), |
| mInterpreter(aInterpreter) |
| { |
| memset(&mSocket, 0, sizeof(mSocket)); |
| memset(&mPeer, 0, sizeof(mPeer)); |
| } |
| |
| otError Udp::Start(void) |
| { |
| otError error; |
| |
| otSockAddr sockaddr; |
| memset(&sockaddr, 0, sizeof(otSockAddr)); |
| sockaddr.mPort = 7335; |
| |
| SuccessOrExit(error = otUdpOpen(mInstance, &mSocket, &Udp::HandleUdpReceive, this)); |
| SuccessOrExit(error = otUdpBind(&mSocket, &sockaddr)); |
| |
| exit: |
| return error; |
| } |
| |
| void Udp::HandleUdpReceive(void *aContext, otMessage *aMessage, const otMessageInfo *aMessageInfo) |
| { |
| static_cast<Udp *>(aContext)->HandleUdpReceive(aMessage, aMessageInfo); |
| } |
| |
| void Udp::HandleUdpReceive(otMessage *aMessage, const otMessageInfo *aMessageInfo) |
| { |
| uint16_t payloadLength = otMessageGetLength(aMessage) - otMessageGetOffset(aMessage); |
| char buf[512]; |
| |
| VerifyOrExit(payloadLength <= sizeof(buf)); |
| otMessageRead(aMessage, otMessageGetOffset(aMessage), buf, payloadLength); |
| |
| if (buf[payloadLength - 1] == '\n') |
| { |
| buf[--payloadLength] = '\0'; |
| } |
| |
| if (buf[payloadLength - 1] == '\r') |
| { |
| buf[--payloadLength] = '\0'; |
| } |
| |
| mPeer = *aMessageInfo; |
| |
| mInterpreter->ProcessLine(buf, payloadLength, *this); |
| |
| exit: |
| return; |
| } |
| |
| int Udp::Output(const char *aBuf, uint16_t aBufLength) |
| { |
| otError error = OT_ERROR_NONE; |
| otMessage *message; |
| |
| VerifyOrExit((message = otUdpNewMessage(mInstance, true)) != NULL, error = OT_ERROR_NO_BUFS); |
| SuccessOrExit(error = otMessageSetLength(message, aBufLength)); |
| otMessageWrite(message, 0, aBuf, aBufLength); |
| SuccessOrExit(error = otUdpSend(&mSocket, message, &mPeer)); |
| |
| exit: |
| |
| if (error != OT_ERROR_NONE && message != NULL) |
| { |
| otMessageFree(message); |
| aBufLength = 0; |
| } |
| |
| return aBufLength; |
| } |
| |
| int Udp::OutputFormat(const char *fmt, ...) |
| { |
| char buf[kMaxLineLength]; |
| va_list ap; |
| |
| va_start(ap, fmt); |
| vsnprintf(buf, sizeof(buf), fmt, ap); |
| va_end(ap); |
| |
| return Output(buf, static_cast<uint16_t>(strlen(buf))); |
| } |
| |
| } // namespace Cli |
| } // namespace ot |