/* * Copyright (c) 2019, Texas Instruments Incorporated * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * * 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. * * * Neither the name of Texas Instruments Incorporated 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 OWNER 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. */ /* * ======== json.c ======== */ #include #include #include /* Display Header files */ #include #include //////////////////////// CUSTOMISED PART ///////////////////////// /// change this to select working vs non working case #define USED_JSON EXAMPLE_JSONBUF_NON_WORKING //#define USED_JSON EXAMPLE_JSONBUF_WORKING #define EXAMPLE_JSONBUF_NON_WORKING \ "{ "\ " \"ethIPv4Conf\": { "\ " \"ipv4Addr\" : \"192.168.1.100\", "\ " \"ipv4Netmask\" : \"255.255.255.0\", "\ " \"ipv4Gateway\" : \"192.168.1.1\", "\ " \"ipv4socketTimeout\" : 10, "\ " \"DHCPenable\" : false "\ " }, "\ " "\ " \"wifi\" : { "\ " \"SSID\" : \"mynetwork\", "\ " \"passwd\" : \"abcdefghil\", "\ " \"WiFiOn\" : false "\ " } "\ "}" #define EXAMPLE_JSONBUF_WORKING \ "{ "\ " \"ethIPv4Conf\": { "\ " \"ipv4Addr\" : \"192.168.1.100\", "\ " \"ipv4Netmask\" : \"255.255.255.0\", "\ " \"ipv4Gateway\" : \"192.168.1.1\", "\ " \"ipv4socketTimeout\" : 10, "\ " \"DHCPenable\" : false "\ " }, "\ " "\ " \"wifi\" : { "\ " \"WiFiOn\" : false, "\ " \"SSID\" : \"mynetwork\", "\ " \"passwd\" : \"abcdefghil\" "\ " } "\ "}" #define EXAMPLE_TEMPLATE \ "{ "\ " \"ethIPv4Conf\": { "\ " \"ipv4Addr\" : string, "\ " \"ipv4Netmask\" : string, "\ " \"ipv4Gateway\" : string, "\ " \"ipv4socketTimeout\" : uint32, "\ " \"DHCPenable\" : boolean "\ " }, "\ " "\ " \"wifi\" : { "\ " \"SSID\" : string, "\ " \"passwd\" : string, "\ " \"WiFiOn\" : boolean "\ " } "\ "}" ////////////////////////////////////////////////////////////////////////////// /*********************************** ORIGINAL EXAMPLE *************************/ //#define EXAMPLE_TEMPLATE \ //"{" \ // "\"firstName\": string," \ // "\"lastName\": string," \ // "\"age\": int32," \ //"\"address\": {" \ // "\"streetAddress\": string," \ // "\"city\": string," \ // "\"state\": string," \ // "\"postalCode\": string" \ // "}," \ // "\"phoneNumbers\": [" \ // "{" \ // "\"type\": string," \ // "\"number\": string" \ // "}," \ // "{" \ // "\"type\": string," \ // "\"number\": string" \ // "}," \ // "{" \ // "\"type\": string," \ // "\"number\": string" \ // "}" \ // "]," \ // "\"children\": [raw]," \ // "\"spouse\": boolean," \ // "\"isAlive\": boolean" \ //"}" // //#define EXAMPLE_JSONBUF \ //"{" \ // "\"firstName\": \"John\"," \ // "\"lastName\": \"Smith\"," \ // "\"age\": 25," \ // "\"isAlive\": true," \ //"\"address\": {" \ // "\"streetAddress\": \"21 2nd Street\"," \ // "\"city\": \"New York\"," \ // "\"state\": \"NY\"," \ // "\"postalCode\": \"10021-3100\"" \ // "}," \ // "\"phoneNumbers\": [" \ // "{" \ // "\"type\": \"home\"," \ // "\"number\": \"212 555-1234\"" \ // "}," \ // "{" \ // "\"type\": \"office\"," \ // "\"number\": \"646 555-4567\"" \ // "}," \ // "{" \ // "\"type\": \"mobile\"," \ // "\"number\": \"123 456-7890\"" \ // "}" \ // "]," \ // "\"children\": []," \ // "\"spouse\": null" \ //"}" /***************************************************************************/ static char keyBuf[37]; /* max string to hold ("phoneNumbers".[X]."type") */ static char jsonBuf[1024]; /* max string to hold serialized JSON buffer */ static char phoneType[10]; /* max string to hold phone types (e.g. "mobile"); */ /* * ======== mainThread ======== */ void *mainThread(void *arg0) { int i; void *valueBuf; int16_t retVal; int32_t age; int32_t phoneNumbers; uint16_t valueSize; uint16_t jsonBufSize; Json_Handle hTemplate; Json_Handle hObject; Display_Handle display; /***** customised ****/ char str[200]; uint16_t boolValue; /**********************/ Display_init(); /* Open an available UART display using default params. */ display = Display_open(Display_Type_UART, NULL); if (display == NULL) { /* Failed to open a display */ while (1); } /* create a template from a buffer containing a template */ retVal = Json_createTemplate(&hTemplate, EXAMPLE_TEMPLATE, strlen(EXAMPLE_TEMPLATE)); if (retVal != 0) { Display_printf(display, 0, 0, "Error creating the JSON template"); while (1); } else { Display_printf(display, 0, 0, "JSON template created"); } /* create a default-sized JSON object from the template */ retVal = Json_createObject(&hObject, hTemplate, 0); if (retVal != 0) { Display_printf(display, 0, 0, "Error creating JSON object"); while (1); } else { Display_printf(display, 0, 0, "JSON object created from template"); } /*********** ADAPTED FROM EXAMPLE ***********/ /* parse EXAMPLE_JSONBUF */ retVal = Json_parse(hObject, USED_JSON, strlen(USED_JSON)); if (retVal != 0) { Display_printf(display, 0, 0, "Error parsing the JSON buffer"); while (1); } else { Display_printf(display, 0, 0, "JSON buffer parsed"); } valueSize = 2; retVal = Json_getValue(hObject, "\"ethIPv4Conf\".\"DHCPenable\"", &boolValue, &valueSize); if (retVal != 0) { Display_printf(display, 0, 0, "Error getting DHCPenable "); while (1); } else { Display_printf(display, 0, 0, "DHCPenable value: %d", boolValue); } valueSize = sizeof(str); retVal = Json_getValue(hObject, "\"wifi\".\"SSID\"", str, &valueSize); if (retVal != 0) { Display_printf(display, 0, 0, "Error getting SSID "); while (1); } else { str[valueSize] = '\0'; Display_printf(display, 0, 0, "SSID value: %s", str); } valueSize = sizeof(str); retVal = Json_getValue(hObject, "\"wifi\".\"passwd\"", str, &valueSize); if (retVal != 0) { Display_printf(display, 0, 0, "Error getting passwd "); while (1); } else { str[valueSize] = '\0'; Display_printf(display, 0, 0, "passwd value: %s", str); } valueSize = 2; retVal = Json_getValue(hObject, "\"wifi\".\"WiFiOn\"", &boolValue, &valueSize); if (retVal != 0) { Display_printf(display, 0, 0, "Error getting WiFiOn "); while (1); } else { Display_printf(display, 0, 0, "WiFiOn value: %d", boolValue); } /*****************************************************************************/ /***************************** ORIGINAL EXAMPLE **************************************************/ // /* // * Get the "firstName" value. Note that this approach first // * detects the size of the result, then calloc()'s memory for it // * and retrieves the value. // */ // retVal = Json_getValue(hObject, "\"firstName\"", NULL, &valueSize); // if (retVal != 0) { // Display_printf(display, 0, 0, "Error getting the firstName buffer size"); // while (1); // } // else { // Display_printf(display, 0, 0, "firstName buffer size: %d", valueSize); // } // // valueBuf = calloc(1, valueSize + 1); // retVal = Json_getValue(hObject, "\"firstName\"", valueBuf, &valueSize); // if (retVal != 0) { // Display_printf(display, 0, 0, "Error getting the firstName value"); // while (1); // } // else { // Display_printf(display, 0, 0, "JSON buffer parsed, firstName: %s", // valueBuf); // } // free(valueBuf); // // /* increment the "age" value by one */ // valueSize = sizeof(age); // retVal = Json_getValue(hObject, "\"age\"", &age, &valueSize); // if (retVal != 0) { // Display_printf(display, 0, 0, "Error getting the age value"); // while (1); // } // else { // Display_printf(display, 0, 0, "age value: %d", age); // } // // age++; // // valueSize = sizeof(age); // retVal = Json_setValue(hObject, "\"age\"", &age, valueSize); // if (retVal != 0) { // Display_printf(display, 0, 0, "Error setting the age value"); // while (1); // } // // valueSize = sizeof(age); // retVal = Json_getValue(hObject, "\"age\"", &age, &valueSize); // if (retVal != 0) { // Display_printf(display, 0, 0, "Error getting the new age value"); // while (1); // } // else { // Display_printf(display, 0, 0, "new age value: %d", age); // } // // /* serialize the current JSON object (now with a new age) */ // jsonBufSize = 1024; // retVal = Json_build(hObject, jsonBuf, &jsonBufSize); // if (retVal != 0) { // Display_printf(display, 0, 0, "Error serializing JSON data"); // while (1); // } // else { // Display_printf(display, 0, 0, "serialized data:\n%s", jsonBuf); // } // // /* determine how many phone numbers are present */ // phoneNumbers = Json_getArrayMembersCount(hObject, "\"phoneNumbers\""); // if (retVal != 0) { // Display_printf(display, 0, 0, // "Error getting phoneNumbers array size"); // while (1); // } // else { // Display_printf(display, 0, 0, "phoneNumbers array size: %d", // phoneNumbers); // } // // /* print the mobile phone number */ // for (i = 0; i < phoneNumbers; i++) { // sprintf(keyBuf, "\"phoneNumbers\".[%d].\"type\"", i); // // valueSize = sizeof(phoneType); // memset(phoneType, 0, valueSize); // // retVal = Json_getValue(hObject, keyBuf, phoneType, &valueSize); // if (retVal != 0) { // Display_printf(display, 0, 0, "Error getting phoneNumbers[%d]", // i); // while (1); // } // // if (strcmp(phoneType, "mobile") == 0) { // /* found it, get the value, then stop looking */ // sprintf(keyBuf, "\"phoneNumbers\".[%d].\"number\"", i); // // retVal = Json_getValue(hObject, keyBuf, NULL, &valueSize); // // valueBuf = calloc(1, valueSize + 1); // retVal = Json_getValue(hObject, keyBuf, valueBuf, &valueSize); // if (retVal != 0) { // Display_printf(display, 0, 0, // "Error getting phoneNumbers[%d]", i); // while (1); // } // else { // Display_printf(display, 0, 0, // "mobile phone number: %s", valueBuf); // } // // free(valueBuf); // break; // } // } // // /* print the second (index #1) phone number */ // retVal = Json_getValue(hObject, "\"phoneNumbers\".[1].\"number\"", NULL, // &valueSize); // if (retVal != 0) { // Display_printf(display, 0, 0, "Error getting phoneNumbers[1]"); // while (1); // } // // valueBuf = calloc(1, valueSize + 1); // retVal = Json_getValue(hObject, "\"phoneNumbers\".[1].\"number\"", valueBuf, // &valueSize); // if (retVal != 0) { // Display_printf(display, 0, 0, "Error getting phoneNumbers[1] value"); // while (1); // } // else { // Display_printf(display, 0, 0, "phoneNumbers[1] value: %s", valueBuf); // } // free(valueBuf); /*******************************************************************************************/ /* done, cleanup */ retVal = Json_destroyObject(hObject); retVal = Json_destroyTemplate(hTemplate); Display_printf(display, 0, 0, "Finished JSON example"); return (0); }