1 files changed, 114 insertions, 0 deletions
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