[MTX-4694][GP-1791] MTCAP3 mPower R.6.1.X: LNA7D support - APN setup behavior when provider is Verizon

Implement getting the CGDCONT from the modem

Implement setting the CGDCONT to the modem

4 files changed, 161 insertions, 0 deletions

diff --git a/include/mts/MTS_IO_CellularRadio.h b/include/mts/MTS_IO_CellularRadio.h
index f32251c..60659dc 100644
--- a/include/mts/MTS_IO_CellularRadio.h
+++ b/include/mts/MTS_IO_CellularRadio.h
@@ -145,6 +145,9 @@ namespace MTS {
                 CODE getVoiceSupport(Json::Value& jData) override;
                 CODE getVoiceSupport(bool& bVoiceEnabled, bool& bSmsOnly) override;
 
+                CODE getPdpContexts(Json::Value& jData) override;
+                CODE setPdpContext(const std::string& sId, const Json::Value& jConfig) override;
+
             protected:
 
                 CellularRadio(const std::string& sName, const std::string& sRadioPort);
diff --git a/include/mts/MTS_IO_ICellularRadio.h b/include/mts/MTS_IO_ICellularRadio.h
index f3e15e2..91ab782 100644
--- a/include/mts/MTS_IO_ICellularRadio.h
+++ b/include/mts/MTS_IO_ICellularRadio.h
@@ -205,6 +205,10 @@ namespace MTS {
                 static const char *KEY_ATTEMPTS_PIN;       //!< The number of attempts left to unlock the SIM card using PIN code
                 static const char *KEY_ATTEMPTS_PUK;       //!< The number of attempts left to unlock the SIM card using PUK code
 
+                //PDP Context
+                static const char *KEY_PDP_CONTEXT_APN;
+                static const char *KEY_PDP_CONTEXT_IPMODE;
+
                 //Values - Type
                 static const char *VALUE_TYPE_LTE;
                 static const char *VALUE_TYPE_GSM;
@@ -656,6 +660,43 @@ namespace MTS {
                 */
                 virtual CODE getSelectedBandsRaw(std::string& sRawBands) = 0;
 
+                /**
+                * @brief Get the list of PDP contexts from the radio
+                *
+                * @param jData - an object to be filled with data.
+                *                   {
+                *                       "<context_number: str>": {
+                *                           "apn": "<apn_value: str>",
+                *                           "ipMode": "<ip_mode: str>"
+                *                       }
+                *                   }
+                *
+                * @return CODE::SUCCESS when fetched successfully,
+                *         CODE::NO_RESPONSE when the modem doesn't respond,
+                *         CODE::ERROR when the radio returns "ERROR",
+                *         CODE::FAILURE otherwise (unexpected response).
+                */
+                virtual CODE getPdpContexts(Json::Value& jData) = 0;
+
+                /**
+                * @brief Set the PDP context to the radio
+                *
+                * @param sId     - a string value that contains an ID of the PDP context to change.
+                * @param jConfig - a JSON-object that contains:
+                *                  an IP mode for the specified PDP context,
+                *                  an APN for the specified PDP context.
+                *                     {
+                *                          "apn": "<APN>",
+                *                          "ipMode": "<IP MODE>"
+                *                     }
+                *
+                * @return CODE::SUCCESS when fetched successfully,
+                *         CODE::NO_RESPONSE when the modem doesn't respond,
+                *         CODE::ERROR when the radio returns "ERROR",
+                *         CODE::FAILURE otherwise (unexpected response).
+                */
+                virtual CODE setPdpContext(const std::string& sId, const Json::Value& jConfig) = 0;
+
         };
     }
 }
diff --git a/src/MTS_IO_CellularRadio.cpp b/src/MTS_IO_CellularRadio.cpp
index afdfc1e..3de96ce 100644
--- a/src/MTS_IO_CellularRadio.cpp
+++ b/src/MTS_IO_CellularRadio.cpp
@@ -1755,3 +1755,117 @@ ICellularRadio::CODE CellularRadio::getSelectedBandsRaw(std::string& sRawBands)
     printTrace("%s| Acquiring selected bands: not applicable", m_sName.c_str());
     return NOT_APPLICABLE;
 }
+
+ICellularRadio::CODE CellularRadio::getPdpContexts(Json::Value& jData) {
+    printTrace("%s| Fetching the list of PDP contexts from the radio", getName().c_str());
+    CODE rc;
+
+    const std::string sCommand = "AT+CGDCONT?";
+    const int dTimeout = 1000;
+    std::string sResult;
+
+    rc = sendBasicQuery(sCommand, "", sResult, dTimeout);
+    if (rc != SUCCESS) {
+        return rc;
+    }
+
+    std::vector<std::string> vContexts = MTS::Text::split(sResult, "+CGDCONT: ");
+    std::vector<std::string> vContextParams;
+
+    for (size_t i = 0; i < vContexts.size(); i++) {
+        vContexts[i] = MTS::Text::trim(vContexts[i]);
+
+        if (vContexts[i].empty()) {
+            continue;
+        }
+
+        vContextParams = MTS::Text::split(vContexts[i], ",", 4);
+
+        if (vContextParams.size() < 3) {
+            return FAILURE;
+        }
+
+        std::string sContextId = vContextParams[0];
+        std::string sIpMode = MTS::Text::trim(vContextParams[1], '"'); // Remove double quotes from the start and end of the value
+        std::string sApn = MTS::Text::trim(vContextParams[2], '"');    // Remove double quotes from the start and end of the value
+
+        jData[sContextId][ICellularRadio::KEY_PDP_CONTEXT_IPMODE] = sIpMode;
+        jData[sContextId][ICellularRadio::KEY_PDP_CONTEXT_APN] = sApn;
+    }
+
+    return SUCCESS;
+}
+
+ICellularRadio::CODE CellularRadio::setPdpContext(const std::string& sId, const Json::Value& jConfig) {
+    printTrace("%s| Setting context to the radio", getName().c_str());
+    CODE rc;
+
+    if (sId.empty()) {
+        printError("%s| PDP Context ID is not specified", getName().c_str());
+        return FAILURE;
+    }
+
+    std::string sCommand = "AT+CGDCONT=" + sId;
+    const int dTimeout = 1000;
+
+    Json::Value jAllContexts;
+
+    rc = getPdpContexts(jAllContexts);
+    if (rc != SUCCESS) {
+        printError("%s| Failed to retrieve the current PDP context configuration: [%d]", getName().c_str(), rc);
+        return rc;
+    }
+
+    // Remove the context if no parameters defined
+    if (!jConfig.isMember(ICellularRadio::KEY_PDP_CONTEXT_IPMODE) && !jConfig.isMember(ICellularRadio::KEY_PDP_CONTEXT_APN)) {
+        if (jAllContexts.isMember(sId)) {
+            rc = sendBasicCommand(sCommand, dTimeout);
+            return rc;
+        } else {
+            printError("%s| PDP Context [%s] does not exist", getName().c_str(), sId.c_str());
+            return FAILURE;
+        }
+    }
+
+    std::string sIpMode;
+
+    if (jConfig.isMember(ICellularRadio::KEY_PDP_CONTEXT_IPMODE)) {
+        if (jConfig[ICellularRadio::KEY_PDP_CONTEXT_IPMODE] == "IP" || jConfig[ICellularRadio::KEY_PDP_CONTEXT_IPMODE] == "PPP" ||
+            jConfig[ICellularRadio::KEY_PDP_CONTEXT_IPMODE] == "IPV6" || jConfig[ICellularRadio::KEY_PDP_CONTEXT_IPMODE] == "IPV4V6") {
+                sIpMode = jConfig[ICellularRadio::KEY_PDP_CONTEXT_IPMODE].asString();
+        } else {
+            printError("%s| Invalid IP Mode defined: [%s]", getName().c_str(), jConfig[ICellularRadio::KEY_PDP_CONTEXT_IPMODE].asString().c_str());
+            return FAILURE;
+        }
+    } else if (jAllContexts.isMember(sId)) {
+        printInfo("%s| Re-using IP Mode [%s] for PDP context [%s]", getName().c_str(), jAllContexts[sId][ICellularRadio::KEY_PDP_CONTEXT_IPMODE].asString().c_str(), sId.c_str());
+        sIpMode = jAllContexts[sId][ICellularRadio::KEY_PDP_CONTEXT_IPMODE].asString();
+    } else {
+        printError("%s| Failed to edit PDP context [%s] - no such context defined", getName().c_str(), sId.c_str());
+        return FAILURE;
+    }
+
+    sCommand += ",\"";
+    sCommand += sIpMode;
+    sCommand += "\"";
+
+    std::string sApn;
+
+    if (jConfig.isMember(ICellularRadio::KEY_PDP_CONTEXT_APN)) {
+        sApn = jConfig[ICellularRadio::KEY_PDP_CONTEXT_APN].asString();
+    } else if (jAllContexts.isMember(sId)) {
+        printInfo("%s| Re-using APN [%s] for PDP context [%s]", getName().c_str(), jAllContexts[sId][ICellularRadio::KEY_PDP_CONTEXT_APN].asString().c_str(), sId.c_str());
+        sApn = jAllContexts[sId][ICellularRadio::KEY_PDP_CONTEXT_APN].asString();
+    } else {
+        printError("%s| Failed to edit PDP context [%s] - no such context defined", getName().c_str(), sId.c_str());
+        return FAILURE;
+    }
+
+    sCommand += ",\"";
+    sCommand += sApn;
+    sCommand += "\"";
+
+    rc = sendBasicCommand(sCommand, dTimeout);
+
+    return rc;
+}
\ No newline at end of file
diff --git a/src/MTS_IO_ICellularRadio.cpp b/src/MTS_IO_ICellularRadio.cpp
index 7453662..05af28d 100644
--- a/src/MTS_IO_ICellularRadio.cpp
+++ b/src/MTS_IO_ICellularRadio.cpp
@@ -97,6 +97,9 @@ const char *MTS::IO::ICellularRadio::KEY_MIP_REVTUN = "revTun";
 const char *MTS::IO::ICellularRadio::KEY_MIP_MNAAASS = "mnAaaSs";                 //!< Mobile Node Authentication, Authorization, and Accounting Server Shared Secret
 const char *MTS::IO::ICellularRadio::KEY_MIP_MNHASS = "mnHaSs";                   //!< Mobile Node Home Agent Shared Secret
 
+const char *MTS::IO::ICellularRadio::KEY_PDP_CONTEXT_APN = "apn";
+const char *MTS::IO::ICellularRadio::KEY_PDP_CONTEXT_IPMODE = "ipMode";
+
 const char *MTS::IO::ICellularRadio::VALUE_TYPE_GSM = "GSM";
 const char *MTS::IO::ICellularRadio::VALUE_TYPE_LTE = "LTE";
 const char *MTS::IO::ICellularRadio::VALUE_TYPE_CDMA = "CDMA";