From 20014c72bf8ca02d9d576c708547226215e37426 Mon Sep 17 00:00:00 2001
From: Marcin K Szczodrak <mszczodrak@users.noreply.github.com>
Date: Mon, 22 Aug 2016 14:08:45 -0700
Subject: [PATCH] add cli promiscuous (#445)

---
 src/cli/README.md    |  29 ++++++++++++
 src/cli/cli.cpp      | 102 +++++++++++++++++++++++++++++++++++++++++++
 src/cli/cli.hpp      |   2 +
 src/cli/cli_uart.hpp |   2 +-
 4 files changed, 134 insertions(+), 1 deletion(-)

diff --git a/src/cli/README.md b/src/cli/README.md
index a62303988..476f828fc 100644
--- a/src/cli/README.md
+++ b/src/cli/README.md
@@ -33,6 +33,7 @@ OpenThread test scripts use the CLI to execute test cases.
 * [ping](#ping)
 * [pollperiod](#pollperiod)
 * [prefix](#prefix)
+* [promiscuous](#promiscuous)
 * [releaserouterid](#releaserouterid)
 * [reset](#reset)
 * [rloc16](#rloc16)
@@ -613,6 +614,34 @@ Invalidate a prefix in the Network Data.
 Done
 ```
 
+### promiscuous
+
+Get radio promiscuous property.
+
+```bash
+> promiscuous
+Disabled
+Done
+```
+
+### promiscuous enable
+
+Enable radio promiscuous operation and print raw packet content.
+
+```bash
+> promiscuous enable
+Done
+```
+
+### promiscuous disable
+
+Disable radio promiscuous operation.
+
+```bash
+> promiscuous disable
+Done
+```
+
 ### releaserouterid \<routerid\>
 Release a Router ID that has been allocated by the device in the Leader role.
 
diff --git a/src/cli/cli.cpp b/src/cli/cli.cpp
index 2f774c5a1..06762f933 100644
--- a/src/cli/cli.cpp
+++ b/src/cli/cli.cpp
@@ -81,6 +81,7 @@ const struct Command Interpreter::sCommands[] =
     { "parent", &ProcessParent },
     { "ping", &ProcessPing },
     { "pollperiod", &ProcessPollPeriod },
+    { "promiscuous", &ProcessPromiscuous },
     { "prefix", &ProcessPrefix },
     { "releaserouterid", &ProcessReleaseRouterId },
     { "reset", &ProcessReset },
@@ -1058,6 +1059,107 @@ exit:
     AppendResult(error);
 }
 
+void Interpreter::ProcessPromiscuous(int argc, char *argv[])
+{
+    ThreadError error = kThreadError_None;
+
+    if (argc == 0)
+    {
+        if (otIsLinkPromiscuous() && otPlatRadioGetPromiscuous())
+        {
+            sServer->OutputFormat("Enabled\r\n");
+        }
+        else
+        {
+            sServer->OutputFormat("Disabled\r\n");
+        }
+    }
+    else
+    {
+        if (strcmp(argv[0], "enable") == 0)
+        {
+            otSetLinkPcapCallback(&HandleLinkPcapReceive, NULL);
+            SuccessOrExit(error = otSetLinkPromiscuous(true));
+        }
+        else if (strcmp(argv[0], "disable") == 0)
+        {
+            otSetLinkPcapCallback(NULL, NULL);
+            SuccessOrExit(error = otSetLinkPromiscuous(false));
+        }
+    }
+
+exit:
+    AppendResult(error);
+}
+
+void Interpreter::HandleLinkPcapReceive(const RadioPacket *aFrame, void *aContext)
+{
+    sServer->OutputFormat("\r\n");
+
+    for (size_t i = 0; i < 44; i++)
+    {
+        sServer->OutputFormat("=");
+    }
+
+    sServer->OutputFormat("[len = %3u]", aFrame->mLength);
+
+    for (size_t i = 0; i < 28; i++)
+    {
+        sServer->OutputFormat("=");
+    }
+
+    sServer->OutputFormat("\r\n");
+
+    for (size_t i = 0; i < aFrame->mLength; i += 16)
+    {
+        sServer->OutputFormat("|");
+
+        for (size_t j = 0; j < 16; j++)
+        {
+            if (i + j < aFrame->mLength)
+            {
+                sServer->OutputFormat(" %02X", aFrame->mPsdu[i + j]);
+            }
+            else
+            {
+                sServer->OutputFormat(" ..");
+            }
+        }
+
+        sServer->OutputFormat("|");
+
+        for (size_t j = 0; j < 16; j++)
+        {
+            if (i + j < aFrame->mLength)
+            {
+                if (31 < aFrame->mPsdu[i + j] && aFrame->mPsdu[i + j] < 127)
+                {
+                    sServer->OutputFormat(" %c", aFrame->mPsdu[i + j]);
+                }
+                else
+                {
+                    sServer->OutputFormat(" ?");
+                }
+            }
+            else
+            {
+                sServer->OutputFormat(" .");
+            }
+        }
+
+        sServer->OutputFormat("|\r\n");
+    }
+
+    for (size_t i = 0; i < 83; i++)
+    {
+        sServer->OutputFormat("-");
+    }
+
+    sServer->OutputFormat("\r\n");
+
+    (void) aContext;
+}
+
 ThreadError Interpreter::ProcessPrefixAdd(int argc, char *argv[])
 {
     ThreadError error = kThreadError_None;
diff --git a/src/cli/cli.hpp b/src/cli/cli.hpp
index c9a5daeb6..7471c4c81 100644
--- a/src/cli/cli.hpp
+++ b/src/cli/cli.hpp
@@ -163,6 +163,7 @@ private:
     static ThreadError ProcessPrefixAdd(int argc, char *argv[]);
     static ThreadError ProcessPrefixRemove(int argc, char *argv[]);
     static ThreadError ProcessPrefixList(void);
+    static void ProcessPromiscuous(int argc, char *argv[]);
     static void ProcessReleaseRouterId(int argc, char *argv[]);
     static void ProcessReset(int argc, char *argv[]);
     static void ProcessRoute(int argc, char *argv[]);
@@ -187,6 +188,7 @@ private:
     static void HandlePingTimer(void *aContext);
     static void HandleActiveScanResult(otActiveScanResult *aResult, void *aContext);
     static void HandleNetifStateChanged(uint32_t aFlags, void *aContext);
+    static void HandleLinkPcapReceive(const RadioPacket *aFrame, void *aContext);
 
     static const struct Command sCommands[];
     static otNetifAddress sAddress;
diff --git a/src/cli/cli_uart.hpp b/src/cli/cli_uart.hpp
index bf7126b98..c5faa2e47 100644
--- a/src/cli/cli_uart.hpp
+++ b/src/cli/cli_uart.hpp
@@ -79,7 +79,7 @@ private:
     enum
     {
         kRxBufferSize = 128,
-        kTxBufferSize = 512,
+        kTxBufferSize = 1024,
         kMaxLineLength = 128,
     };