/* Get OVS DB map value by given map key * * FROM RFC7047: * * <pair> * A 2-element JSON array that represents a pair within a database * map. The first element is an <atom> that represents the key, and * the second element is an <atom> that represents the value. * * <map> * A 2-element JSON array that represents a database map value. The * first element of the array must be the string "map", and the * second element must be an array of zero or more <pair>s giving the * values in the map. All of the <pair>s must have the same key and * value types. * * EXAMPLE: * [ * "map", [ * [ "key_a", <YAJL value>], [ "key_b", <YAJL value>], ... * ] * ] */ yajl_val ovs_utils_get_map_value(yajl_val jval, const char *key) { size_t map_len = 0; size_t array_len = 0; yajl_val *map_values = NULL; yajl_val *array_values = NULL; const char *str_val = NULL; /* check YAJL array */ if (!YAJL_IS_ARRAY(jval) || (key == NULL)) return NULL; /* check a database map value (2-element, first one should be a string */ array_len = YAJL_GET_ARRAY(jval)->len; array_values = YAJL_GET_ARRAY(jval)->values; if ((array_len != 2) || (!YAJL_IS_STRING(array_values[0])) || (!YAJL_IS_ARRAY(array_values[1]))) return NULL; /* check first element of the array */ str_val = YAJL_GET_STRING(array_values[0]); if (str_val == NULL || strcmp("map", str_val) != 0) return NULL; /* try to find map value by map key */ if (YAJL_GET_ARRAY(array_values[1]) == NULL) return NULL; map_len = YAJL_GET_ARRAY(array_values[1])->len; map_values = YAJL_GET_ARRAY(array_values[1])->values; for (size_t i = 0; i < map_len; i++) { /* check YAJL array */ if (!YAJL_IS_ARRAY(map_values[i]) || YAJL_GET_ARRAY(map_values[i]) == NULL) break; /* check a database pair value (2-element, first one represents a key * and it should be a string in our case */ array_len = YAJL_GET_ARRAY(map_values[i])->len; array_values = YAJL_GET_ARRAY(map_values[i])->values; if ((array_len != 2) || (!YAJL_IS_STRING(array_values[0]))) break; /* return map value if given key equals map key */ str_val = YAJL_GET_STRING(array_values[0]); if (str_val != NULL && strcmp(key, str_val) == 0) return array_values[1]; } return NULL; }
void YAJLVec2i(Vec2i *value, yajl_val node, const char *name) { if (!YAJLTryLoadValue(&node, name) || !YAJL_IS_ARRAY(node)) { return; } *value = YAJL_GET_VEC2I(node); }
/* * Add a value to the value on top of the stack or the "root" member in the * context if the end of the parsing process is reached. */ static int context_add_value (context_t *ctx, yajl_val v) { /* We're checking for NULL values in all the calling functions. */ assert (ctx != NULL); assert (v != NULL); /* * There are three valid states in which this function may be called: * - There is no value on the stack => This is the only value. This is the * last step done when parsing a document. We assign the value to the * "root" member and return. * - The value on the stack is an object. In this case store the key on the * stack or, if the key has already been read, add key and value to the * object. * - The value on the stack is an array. In this case simply add the value * and return. */ if (ctx->stack == NULL) { assert (ctx->root == NULL); ctx->root = v; return (0); } else if (YAJL_IS_OBJECT (ctx->stack->value)) { if (ctx->stack->key == NULL) { if (!YAJL_IS_STRING (v)) RETURN_ERROR (ctx, EINVAL, "context_add_value: " "Object key is not a string (%#04x)", v->type); ctx->stack->key = v->u.string; v->u.string = NULL; free(v); return (0); } else /* if (ctx->key != NULL) */ { char * key; key = ctx->stack->key; ctx->stack->key = NULL; return (object_add_keyval (ctx, ctx->stack->value, key, v)); } } else if (YAJL_IS_ARRAY (ctx->stack->value)) { return (array_add_value (ctx, ctx->stack->value, v)); } else { RETURN_ERROR (ctx, EINVAL, "context_add_value: Cannot add value to " "a value of type %#04x (not a composite type)", ctx->stack->value->type); } }
void YAJLVec2i(Vec2i *value, yajl_val node, const char *name) { if (!YAJLTryLoadValue(&node, name) || !YAJL_IS_ARRAY(node)) { return; } value->x = (int)YAJL_GET_INTEGER(YAJL_GET_ARRAY(node)->values[0]); value->y = (int)YAJL_GET_INTEGER(YAJL_GET_ARRAY(node)->values[1]); }
/* Add YAJL value into YAJL generator handle (JSON object) * * jgen - YAJL generator handle allocated by yajl_gen_alloc() * jval - YAJL value usually returned by yajl_tree_get() */ static yajl_gen_status ovs_yajl_gen_val(yajl_gen jgen, yajl_val jval) { size_t array_len = 0; yajl_val *jvalues = NULL; yajl_val jobj_value = NULL; const char *obj_key = NULL; size_t obj_len = 0; yajl_gen_status yajl_gen_ret = yajl_gen_status_ok; if (jval == NULL) return yajl_gen_generation_complete; if (YAJL_IS_STRING(jval)) OVS_YAJL_CALL(ovs_yajl_gen_tstring, jgen, YAJL_GET_STRING(jval)); else if (YAJL_IS_DOUBLE(jval)) OVS_YAJL_CALL(yajl_gen_double, jgen, YAJL_GET_DOUBLE(jval)); else if (YAJL_IS_INTEGER(jval)) OVS_YAJL_CALL(yajl_gen_double, jgen, YAJL_GET_INTEGER(jval)); else if (YAJL_IS_TRUE(jval)) OVS_YAJL_CALL(yajl_gen_bool, jgen, 1); else if (YAJL_IS_FALSE(jval)) OVS_YAJL_CALL(yajl_gen_bool, jgen, 0); else if (YAJL_IS_NULL(jval)) OVS_YAJL_CALL(yajl_gen_null, jgen); else if (YAJL_IS_ARRAY(jval)) { /* create new array and add all elements into the array */ array_len = YAJL_GET_ARRAY(jval)->len; jvalues = YAJL_GET_ARRAY(jval)->values; OVS_YAJL_CALL(yajl_gen_array_open, jgen); for (size_t i = 0; i < array_len; i++) OVS_YAJL_CALL(ovs_yajl_gen_val, jgen, jvalues[i]); OVS_YAJL_CALL(yajl_gen_array_close, jgen); } else if (YAJL_IS_OBJECT(jval)) { /* create new object and add all elements into the object */ OVS_YAJL_CALL(yajl_gen_map_open, jgen); obj_len = YAJL_GET_OBJECT(jval)->len; for (size_t i = 0; i < obj_len; i++) { obj_key = YAJL_GET_OBJECT(jval)->keys[i]; jobj_value = YAJL_GET_OBJECT(jval)->values[i]; OVS_YAJL_CALL(ovs_yajl_gen_tstring, jgen, obj_key); OVS_YAJL_CALL(ovs_yajl_gen_val, jgen, jobj_value); } OVS_YAJL_CALL(yajl_gen_map_close, jgen); } else { OVS_ERROR("%s() unsupported value type %d (skip)", __FUNCTION__, (int)(jval)->type); goto yajl_gen_failure; } return yajl_gen_status_ok; yajl_gen_failure: OVS_ERROR("%s() error to generate value", __FUNCTION__); return yajl_gen_ret; }
void bson_from_json_type(bson *b, yajl_val value, const char* key) { if( YAJL_IS_STRING( value ) ) { char* string = YAJL_GET_STRING( value ); bson_append_string( b, key, string ); } else if( YAJL_IS_NUMBER( value ) ) { char* string = value->u.number.r; size_t len = strlen( string ); // Hack to detect a double, since 'flags' is always set to double. if( memchr( string, '.', len ) || memchr( string, 'e', len ) || memchr( string, 'E', len ) ) { double number = YAJL_GET_DOUBLE( value ); bson_append_double( b, key, number ); } else { uint64_t number = YAJL_GET_INTEGER( value ); if( number <= INT_MIN && number <= INT_MAX) bson_append_int( b, key, (int)number ); else bson_append_long( b, key, number); } } else if ( YAJL_IS_FALSE( value ) ) { bson_append_bool( b, key, 0 ); } else if ( YAJL_IS_TRUE( value ) ) { bson_append_bool( b, key, 1 ); } else if ( YAJL_IS_ARRAY( value ) ) { bson_append_start_array( b, key ); bson_from_json_array( b, value ); bson_append_finish_array( b ); } else if ( YAJL_IS_OBJECT( value ) ) { bson_append_start_object( b, key ); bson_from_json_object( b, value ); bson_append_finish_object( b ); } }
SEXP ParseValue(yajl_val node, int bigint){ if(YAJL_IS_NULL(node)){ return R_NilValue; } if(YAJL_IS_STRING(node)){ SEXP tmp = PROTECT(allocVector(STRSXP, 1)); SET_STRING_ELT(tmp, 0, mkCharCE(YAJL_GET_STRING(node), CE_UTF8)); UNPROTECT(1); return tmp; } if(YAJL_IS_INTEGER(node)){ long long int val = YAJL_GET_INTEGER(node); /* 2^53 is highest int stored as double without loss */ if(bigint && (val > 9007199254740992 || val < -9007199254740992)){ char buf[32]; #ifdef _WIN32 snprintf(buf, 32, "%I64d", val); #else snprintf(buf, 32, "%lld", val); #endif return mkString(buf); /* see .Machine$integer.max in R */ } else if(val > 2147483647 || val < -2147483647){ return ScalarReal(val); } else { return ScalarInteger(val); } } if(YAJL_IS_DOUBLE(node)){ return(ScalarReal(YAJL_GET_DOUBLE(node))); } if(YAJL_IS_NUMBER(node)){ /* A number that is not int or double (very rare) */ /* This seems to correctly round to Inf/0/-Inf */ return(ScalarReal(YAJL_GET_DOUBLE(node))); } if(YAJL_IS_TRUE(node)){ return(ScalarLogical(1)); } if(YAJL_IS_FALSE(node)){ return(ScalarLogical(0)); } if(YAJL_IS_OBJECT(node)){ return(ParseObject(node, bigint)); } if(YAJL_IS_ARRAY(node)){ return(ParseArray(node, bigint)); } error("Invalid YAJL node type."); }
static void yajl_array_free (yajl_val v) { size_t i; if (!YAJL_IS_ARRAY(v)) return; for (i = 0; i < v->u.array.len; i++) { yajl_tree_free (v->u.array.values[i]); v->u.array.values[i] = NULL; } free(v->u.array.values); free(v); }
/* * Parsing nested objects and arrays is implemented using a stack. When a new * object or array starts (a curly or a square opening bracket is read), an * appropriate value is pushed on the stack. When the end of the object is * reached (an appropriate closing bracket has been read), the value is popped * off the stack and added to the enclosing object using "context_add_value". */ static int context_push(context_t *ctx, yajl_val v) { stack_elem_t *stack; stack = malloc (sizeof (*stack)); if (stack == NULL) RETURN_ERROR (ctx, ENOMEM, "Out of memory"); memset (stack, 0, sizeof (*stack)); assert ((ctx->stack == NULL) || YAJL_IS_OBJECT (v) || YAJL_IS_ARRAY (v)); stack->value = v; stack->next = ctx->stack; ctx->stack = stack; return (0); }
void message_bus_write_json(yajl_gen g, void *context) { state *state = context; yajl_val output_values = state_get_json(state, STATE_OUTPUT_VALUES); assert(YAJL_IS_ARRAY(output_values)); yajl_gen_map_open(g); int len = YAJL_GET_ARRAY(output_values)->len; for (int i = 0; i < len; i++) { char *k = YAJL_GET_STRING(YAJL_GET_ARRAY(output_values)->values[i]); state_value_type type = state_get_value_type(state, k); yajl_gen_string(g, (unsigned char *)k, strlen(k)); float float_value; int int_value; yajl_val json_value; switch (type) { case state_value_type_float: float_value = state_get_float(state, k); yajl_gen_double(g, (double)float_value); break; case state_value_type_int: int_value = state_get_int(state, k); yajl_gen_integer(g, int_value); break; case state_value_type_json: json_value = state_get_json(state, k); json_write_value(g, json_value); break; default: assert(0); break; } } yajl_gen_map_close(g); }
static int array_add_value (context_t *ctx, yajl_val array, yajl_val value) { yajl_val *tmp; /* We're checking for NULL pointers in "context_add_value" or its * callers. */ assert (ctx != NULL); assert (array != NULL); assert (value != NULL); /* "context_add_value" will only call us with array values. */ assert(YAJL_IS_ARRAY(array)); tmp = realloc(array->u.array.values, sizeof(*(array->u.array.values)) * (array->u.array.len + 1)); if (tmp == NULL) RETURN_ERROR(ctx, ENOMEM, "Out of memory"); array->u.array.values = tmp; array->u.array.values[array->u.array.len] = value; array->u.array.len++; return 0; }
struct github *fetch_github_commits(yajl_val *root, const char *repo, int *commit_count) { CURL *curl; CURLcode code; yajl_val val; struct github *commits = NULL; struct mem_buffer mem = {NULL, 0}; char API_URL[URLLEN], errbuf[1024]; // Use per_page field to limit json reply to the amount of commits specified snprintf(API_URL, URLLEN, "https://api.github.com/repos/%s/commits?per_page=%d", repo, *commit_count); *commit_count = 0; curl = curl_easy_init(); if (!curl) goto cleanup; #ifdef TEST curl_easy_setopt(curl, CURLOPT_URL, getenv("IRCBOT_TESTFILE")); #else curl_easy_setopt(curl, CURLOPT_URL, API_URL); #endif curl_easy_setopt(curl, CURLOPT_FOLLOWLOCATION, 1L); curl_easy_setopt(curl, CURLOPT_USERAGENT, "irc-bot"); // Github requires a user-agent curl_easy_setopt(curl, CURLOPT_TIMEOUT, 8L); curl_easy_setopt(curl, CURLOPT_NOSIGNAL, 1L); curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, curl_write_memory); curl_easy_setopt(curl, CURLOPT_WRITEDATA, &mem); code = curl_easy_perform(curl); if (code != CURLE_OK) { fprintf(stderr, "Error: %s\n", curl_easy_strerror(code)); goto cleanup; } if (!mem.buffer) { fprintf(stderr, "Error: Body was empty"); goto cleanup; } *root = yajl_tree_parse(mem.buffer, errbuf, sizeof(errbuf)); if (!*root) { fprintf(stderr, "%s\n", errbuf); goto cleanup; } if (YAJL_IS_ARRAY(*root)) { *commit_count = YAJL_GET_ARRAY(*root)->len; commits = malloc_w(*commit_count * sizeof(*commits)); } // Find the field we are interested in the json reply, save a reference to it & null terminate for (int i = 0; i < *commit_count; i++) { val = yajl_tree_get(YAJL_GET_ARRAY(*root)->values[i], CFG("sha"), yajl_t_string); if (!val) break; commits[i].sha = YAJL_GET_STRING(val); val = yajl_tree_get(YAJL_GET_ARRAY(*root)->values[i], CFG("commit", "author", "name"), yajl_t_string); if (!val) break; commits[i].name = YAJL_GET_STRING(val); val = yajl_tree_get(YAJL_GET_ARRAY(*root)->values[i], CFG("commit", "message"), yajl_t_string); if (!val) break; commits[i].msg = YAJL_GET_STRING(val); null_terminate(commits[i].msg, '\n'); // Cut commit message at newline character if present val = yajl_tree_get(YAJL_GET_ARRAY(*root)->values[i], CFG("html_url"), yajl_t_string); if (!val) break; commits[i].url = YAJL_GET_STRING(val); } cleanup: free(mem.buffer); curl_easy_cleanup(curl); return commits; }
int v1(struct http_request *http_req) { struct jsonrpc_request req; int ret; /* We only allow POST/PUT methods. */ if (http_req->method != HTTP_METHOD_POST && http_req->method != HTTP_METHOD_PUT) { http_response_header(http_req, "allow", "POST, PUT"); http_response(http_req, HTTP_STATUS_METHOD_NOT_ALLOWED, NULL, 0); return (KORE_RESULT_OK); } /* Read JSON-RPC request. */ if ((ret = jsonrpc_read_request(http_req, &req)) != 0) return jsonrpc_error(&req, ret, NULL); /* Echo command takes and gives back params. */ if (strcmp(req.method, "echo") == 0) { if (!YAJL_IS_ARRAY(req.params)) { jsonrpc_log(&req, LOG_ERR, "Echo only accepts positional params"); return jsonrpc_error(&req, JSONRPC_INVALID_PARAMS, NULL); } for (size_t i = 0; i < req.params->u.array.len; i++) { yajl_val v = req.params->u.array.values[i]; if (!YAJL_IS_STRING(v)) { jsonrpc_log(&req, -3, "Echo only accepts strings"); return jsonrpc_error(&req, JSONRPC_INVALID_PARAMS, NULL); } } return jsonrpc_result(&req, write_string_array_params, NULL); } /* Date command displays date and time according to parameters. */ if (strcmp(req.method, "date") == 0) { time_t time_value; struct tm time_info; char timestamp[33]; struct tm *(*gettm)(const time_t *, struct tm *) = localtime_r; if (YAJL_IS_OBJECT(req.params)) { const char *path[] = {"local", NULL}; yajl_val bf; bf = yajl_tree_get(req.params, path, yajl_t_false); if (bf != NULL) gettm = gmtime_r; } else if (req.params != NULL) { jsonrpc_log(&req, LOG_ERR, "Date only accepts named params"); return jsonrpc_error(&req, JSONRPC_INVALID_PARAMS, NULL); } if ((time_value = time(NULL)) == -1) return jsonrpc_error(&req, -2, "Failed to get date time"); if (gettm(&time_value, &time_info) == NULL) return jsonrpc_error(&req, -3, "Failed to get date time info"); memset(timestamp, 0, sizeof(timestamp)); if (strftime_l(timestamp, sizeof(timestamp) - 1, "%c", &time_info, LC_GLOBAL_LOCALE) == 0) return jsonrpc_error(&req, -4, "Failed to get printable date time"); return jsonrpc_result(&req, write_string, timestamp); } return jsonrpc_error(&req, JSONRPC_METHOD_NOT_FOUND, NULL); }