Created
August 30, 2023 09:00
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| short makeApiCall(char *url, unsigned char *requestData, unsigned short requestDataLength) | |
| { | |
| short sRC; | |
| sRC = UIWireHttpSend(url, requestData, requestDataLength, NULL); | |
| // sRC = UIWireHttpSend(url, requestData, requestDataLength, "Content-type: application/json; charset=UTF-8"); | |
| return sRC; | |
| // if (sRC != TY_OK) | |
| // { | |
| // return sRC; // failed, I think | |
| // } | |
| // else | |
| // { | |
| // return TY_OK; // went well! | |
| // } | |
| } | |
| short receiveApiResponse(unsigned char *responseData, unsigned short *responseLength) | |
| { | |
| short sRC; | |
| sRC = UIWireHttpRecv(responseData, responseLength); | |
| return sRC; | |
| } | |
| // const char *FetchWallet() | |
| char *FetchWallet() | |
| { | |
| // const char *json = "{\"name\": \"John\", \"age\": 30, \"address\": {\"street\": \"123 Main St\", \"city\": \"Example City\"}}"; | |
| // const char *json = "{\"isSuccessful\": true, \"requestModel\": {\"requestHash\": \"363P2a88274de10b4bfc8ddc94e7a57b62b5\", \"emailAddress\": null}, \"message\": \"A verification OTP has been sent to your mobile number 345728.\", \"statusCode\": null}"; | |
| // my code | |
| // char url[] = "https://devapi.ucard.store/identity/Agent/login/wallet/initate"; | |
| char url[] = "https://jsonplaceholder.typicode.com/posts/1"; | |
| // unsigned char requestData[] = "{\"walletId\": \"5149\"}"; | |
| // unsigned char requestData[] = "{\"title\": \"foo\", \"body\": \"bar\", \"userId\": 1}"; | |
| // unsigned short requestDataLength = strlen((char *)requestData); | |
| // call API | |
| short sRC = makeApiCall(url, NULL, 4000); | |
| if (sRC != TY_OK) | |
| { | |
| return "Api call failed!"; | |
| TRACE("Unable to make call to API. sRC is: %d", sRC); | |
| } | |
| // unsigned char responseBuffer[4096]; | |
| const char responseBuffer[4096]; | |
| unsigned short responseLength = sizeof(responseBuffer); | |
| // recv data | |
| sRC = receiveApiResponse((uint8_t *)responseBuffer, &responseLength); | |
| if (sRC == TY_OK) | |
| { | |
| // responseBuffer[responseLength] = '\0'; | |
| // I think jsmn op should start here... | |
| // Initialize jsmn parser | |
| jsmn_parser parser; | |
| jsmn_init(&parser); | |
| // Estimate the number of tokens needed for parsing | |
| int num_tokens = 20; | |
| jsmntok_t tokens[num_tokens]; | |
| // Parse the JSON input | |
| int ret = jsmn_parse(&parser, responseBuffer, strlen(responseBuffer), tokens, num_tokens); | |
| if (ret < 0) | |
| { | |
| printf("Error parsing JSON: %d\n", ret); | |
| return NULL; | |
| } | |
| jsmntok_t *value = NULL; // Declare the value variable outside the inner loop | |
| // char *myName = NULL; // Declare the variable to store the name value | |
| char *myHash = NULL; | |
| // Iterate through the JSON tokens | |
| for (int i = 0; i < ret; i++) | |
| { | |
| jsmntok_t *token = &tokens[i]; | |
| // Check if token is an object | |
| if (token->type == JSMN_OBJECT) | |
| { | |
| // Iterate through the object's key-value pairs | |
| for (int j = i + 1; j < ret; j++) | |
| { | |
| jsmntok_t *key = &tokens[j]; | |
| value = &tokens[j + 1]; // Assign value here | |
| // Check if key is a string | |
| if (key->type == JSMN_STRING) | |
| { | |
| char key_str[key->end - key->start + 1]; | |
| strncpy(key_str, responseBuffer + key->start, key->end - key->start); | |
| key_str[key->end - key->start] = '\0'; | |
| // Check if value is a string | |
| if (value->type == JSMN_STRING) | |
| { | |
| char value_str[value->end - value->start + 1]; | |
| strncpy(value_str, responseBuffer + value->start, value->end - value->start); | |
| value_str[value->end - value->start] = '\0'; | |
| // Check if the key is "name" | |
| if (strcmp(key_str, "title") == 0) | |
| { | |
| myHash = strdup(value_str); // Allocate memory and copy value | |
| break; // Exit the inner loop once we find the name | |
| } | |
| } | |
| } | |
| // Skip the value token | |
| j++; | |
| } | |
| // Move the main index to the end of the object | |
| i = value->end; | |
| } | |
| } | |
| return myHash; | |
| } | |
| // another way | |
| // char *pBuf = "{\"walletId\": \"5149\"}"; | |
| // uint16_t uLen = strlen(pBuf); | |
| // char *pExtHeader = "Content-Type: application/json\r\n"; | |
| // short sRC = UIWireHttpSend(url, (uint8_t *)pBuf, uLen, pExtHeader); | |
| // if (!(sRC == 0)) | |
| // { | |
| // return NULL; | |
| // } | |
| // int u_len = 250; | |
| // const char response[u_len]; | |
| // sRC = UIWireHttpRecv((uint8_t *)response, (uint16_t *)u_len); | |
| // // Initialize jsmn parser | |
| // jsmn_parser parser; | |
| // jsmn_init(&parser); | |
| // // Estimate the number of tokens needed for parsing | |
| // int num_tokens = 20; | |
| // jsmntok_t tokens[num_tokens]; | |
| // // Parse the JSON input | |
| // int ret = jsmn_parse(&parser, response, strlen(response), tokens, num_tokens); | |
| // if (ret < 0) | |
| // { | |
| // printf("Error parsing JSON: %d\n", ret); | |
| // return NULL; | |
| // } | |
| // jsmntok_t *value = NULL; // Declare the value variable outside the inner loop | |
| // // char *myName = NULL; // Declare the variable to store the name value | |
| // char *myHash = NULL; | |
| // // Iterate through the JSON tokens | |
| // for (int i = 0; i < ret; i++) | |
| // { | |
| // jsmntok_t *token = &tokens[i]; | |
| // // Check if token is an object | |
| // if (token->type == JSMN_OBJECT) | |
| // { | |
| // // Iterate through the object's key-value pairs | |
| // for (int j = i + 1; j < ret; j++) | |
| // { | |
| // jsmntok_t *key = &tokens[j]; | |
| // value = &tokens[j + 1]; // Assign value here | |
| // // Check if key is a string | |
| // if (key->type == JSMN_STRING) | |
| // { | |
| // char key_str[key->end - key->start + 1]; | |
| // strncpy(key_str, response + key->start, key->end - key->start); | |
| // key_str[key->end - key->start] = '\0'; | |
| // // Check if value is a string | |
| // if (value->type == JSMN_STRING) | |
| // { | |
| // char value_str[value->end - value->start + 1]; | |
| // strncpy(value_str, response + value->start, value->end - value->start); | |
| // value_str[value->end - value->start] = '\0'; | |
| // // Check if the key is "name" | |
| // // if (strcmp(key_str, "name") == 0) { | |
| // // myName = strdup(value_str); // Allocate memory and copy value | |
| // // break; // Exit the inner loop once we find the name | |
| // // } | |
| // // Check if the key is "name" | |
| // if (strcmp(key_str, "requestHash") == 0) | |
| // { | |
| // myHash = strdup(value_str); // Allocate memory and copy value | |
| // break; // Exit the inner loop once we find the name | |
| // } | |
| // } | |
| // } | |
| // // Skip the value token | |
| // j++; | |
| // } | |
| // // Move the main index to the end of the object | |
| // i = value->end; | |
| // } | |
| // } | |
| // return myName; | |
| return "jkkash180402"; // as reqHash if it fails | |
| } | |
| short TestScreen(int iTimeout) | |
| { | |
| short sRC; | |
| const char *myReqHash = FetchWallet(); | |
| Lib_LcdDrowArea(DEFAULT_FORG_COLOR, 0, 30, 320, 210); | |
| while (1) | |
| { | |
| // DRAW_TITLE("Test API"); | |
| if (myReqHash == NULL) | |
| { | |
| DRAW_TITLE("No Response!"); | |
| } | |
| else | |
| { | |
| DRAW_TITLE(myReqHash); | |
| } | |
| sRC = UIWaitKey(iTimeout, 1); | |
| if (UI_INPUT_TIMEOUT == sRC || UI_INPUT_CANCEL == sRC) | |
| { | |
| return sRC; | |
| } | |
| else | |
| { | |
| continue; | |
| } | |
| } | |
| } |
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