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[cli] add '-x' flag to tcp client to send hexadecimal data (#11218)

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This adds the `-x` flag to the `tcp send` command so send specific
data defined by a hexadecimal string.  The purpose is to use this in
testing, for example to emulate HTTP GET requests.
This commit is contained in:
Esko Dijk
2025-02-07 10:50:15 -08:00
committed by GitHub
parent 320b50538f
commit a0243fa01a
2 changed files with 38 additions and 9 deletions
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src/cli/cli_tcp.cpp
+31 -9
View File
@@ -463,29 +463,52 @@ exit:
* tcp send hello
* Done
* @endcode
* @cparam tcp send @ca{message}
* @code
* tcp send -x 68656c6c6f
* Done
* @endcode
* @cparam tcp send [@ca{type}] @ca{message}
* The `message` parameter contains the message you want to send to the
* remote TCP endpoint.
* If `type` is `-x`, then
* binary data in hexadecimal representation is given in the `message` parameter.
* @par
* Sends data over the TCP connection associated with the example TCP endpoint
* that is provided with the `tcp` CLI. @moreinfo{@tcp}.
*/
template <> otError TcpExample::Process<Cmd("send")>(Arg aArgs[])
{
otError error;
static constexpr uint16_t kBufferSizeForHexData = 128;
otError error;
uint16_t dataLen;
uint8_t *data;
uint8_t buf[kBufferSizeForHexData];
VerifyOrExit(mInitialized, error = OT_ERROR_INVALID_STATE);
VerifyOrExit(mBenchmarkBytesTotal == 0, error = OT_ERROR_BUSY);
VerifyOrExit(!aArgs[0].IsEmpty(), error = OT_ERROR_INVALID_ARGS);
VerifyOrExit(aArgs[1].IsEmpty(), error = OT_ERROR_INVALID_ARGS);
if (aArgs[0] == "-x" && !aArgs[1].IsEmpty())
{
// Binary hex data payload
dataLen = sizeof(buf);
data = &buf[0];
SuccessOrExit(error = aArgs[1].ParseAsHexString(dataLen, buf));
}
else
{
VerifyOrExit(aArgs[1].IsEmpty(), error = OT_ERROR_INVALID_ARGS);
dataLen = aArgs[0].GetLength();
data = reinterpret_cast<uint8_t *>(aArgs[0].GetCString());
}
if (mUseCircularSendBuffer)
{
#if OPENTHREAD_CONFIG_TLS_ENABLE
if (mUseTls)
{
int rv = mbedtls_ssl_write(&mSslContext, reinterpret_cast<unsigned char *>(aArgs[0].GetCString()),
aArgs[0].GetLength());
int rv = mbedtls_ssl_write(&mSslContext, data, dataLen);
if (rv < 0 && rv != MBEDTLS_ERR_SSL_WANT_WRITE && rv != MBEDTLS_ERR_SSL_WANT_READ)
{
@@ -499,8 +522,7 @@ template <> otError TcpExample::Process<Cmd("send")>(Arg aArgs[])
{
size_t written;
SuccessOrExit(error = otTcpCircularSendBufferWrite(&mEndpoint, &mSendBuffer, aArgs[0].GetCString(),
aArgs[0].GetLength(), &written, 0));
SuccessOrExit(error = otTcpCircularSendBufferWrite(&mEndpoint, &mSendBuffer, data, dataLen, &written, 0));
}
}
else
@@ -509,8 +531,8 @@ template <> otError TcpExample::Process<Cmd("send")>(Arg aArgs[])
mSendLink.mNext = nullptr;
mSendLink.mData = mSendBufferBytes;
mSendLink.mLength = OT_MIN(aArgs[0].GetLength(), sizeof(mSendBufferBytes));
memcpy(mSendBufferBytes, aArgs[0].GetCString(), mSendLink.mLength);
mSendLink.mLength = OT_MIN(dataLen, sizeof(mSendBufferBytes));
memcpy(mSendBufferBytes, data, mSendLink.mLength);
SuccessOrExit(error = otTcpSendByReference(&mEndpoint, &mSendLink, 0));
mSendBusy = true;
tests/scripts/expect/cli-tcp.exp
+7
View File
@@ -80,6 +80,13 @@ expect_line "Done"
switch_node 1
expect "TCP: Received 5 bytes: world"
send "tcp send -x 546573740d0a4865780d0a\n"
expect_line "Done"
switch_node 2
expect "TCP: Received 11 bytes: Test\r\nHex\r\n"
switch_node 1
send "tcp sendend\n"
expect_line "Done"
send "tcp send more\n"