void print_json_aux(json_t *element, int indent) {
switch json_typeof(element) {
case JSON_OBJECT:
print_json_object(element, indent);
break;
case JSON_ARRAY:
print_json_array(element, indent);
break;
case JSON_STRING:
print_json_string(element, indent);
break;
case JSON_INTEGER:
print_json_integer(element, indent);
break;
case JSON_REAL:
print_json_real(element, indent);;
break;
case JSON_TRUE:
print_json_true(element, indent);;
break;
case JSON_FALSE:
print_json_false(element, indent);;
break;
case JSON_NULL:
print_json_null(element, indent);;
break;
default:
fprintf(stderr, "unrecognized JSON type %d\n", json_typeof(element));
}
}
void call_producer_json(fdb_file_handle *db,
fdb_kvs_handle *kvs,
json_t *json) {
json_t *json_errors = new_json_errors();
const char *command = json_string_value(
get_json_string_required(json_errors, json, "command"));
if(command) {
if(!strcmp(command, "set"))
call_json_set(db, kvs, json_errors, json);
else if(!strcmp(command, "delete"))
call_json_delete(db, kvs, json_errors, json);
else
add_custom_json_error(json_errors, "key", "command", "error", "NOT_A_PRODUCER_COMMAND");
}
if(json_errors_p(json_errors))
print_json_object(stdout, json_errors);
json_decref(json_errors);
}
int mlab_ns(char *service, char *mlabns_server, struct sockaddr_in *service_ip) {
struct addrinfo *addrs = NULL, *addrs_iter = NULL, addrs_hints;
int gai_error = 0;
struct sockaddr *server_addr = NULL;
int no_dns_results = 1;
char *get_linebreak = "\r\n";
char *get = NULL;
int get_len = 0;
int success = 1;
int http_socket = -1;
char end_of_header[4] = {'\r', '\n', '\r', '\n',};
int end_of_header_ctr = 0, end_of_header_len = 4;
char response[513] = {'\0',};
int response_len_ctr = 0, response_len_max = 42; //512;
char b;
int in_header = 1;
#ifdef DEBUG
char buff[512] = {'\0', };
#endif
if (!mlabns_server) {
mlabns_server = "mlab-ns.appspot.com";
}
/*
* do server resolution.
*/
memset(&addrs_hints, 0, sizeof(addrs_hints));
addrs_hints.ai_family = AF_INET;
addrs_hints.ai_socktype = SOCK_STREAM;
addrs_hints.ai_flags = AI_NUMERICSERV;
if ((gai_error = getaddrinfo(mlabns_server, "80", &addrs_hints, &addrs))) {
printf("getaddrinfo error: %s\n", gai_strerror(gai_error));
return -1;
}
server_addr = (struct sockaddr*)malloc(sizeof(struct sockaddr));
addrs_iter = addrs;
while (addrs_iter) {
memcpy(server_addr, addrs_iter->ai_addr, sizeof(struct sockaddr));
addrs_iter = addrs_iter->ai_next;
no_dns_results = 0;
#ifdef DEBUG
printf("ip: %s\n", inet_ntop(AF_INET,
&((struct sockaddr_in*)server_addr)->sin_addr,
buff,
512)
);
#endif
}
freeaddrinfo(addrs);
if (no_dns_results) {
return -2;
}
get_len = strlen("GET ") +
strlen("/") + strlen(service) +
strlen(" HTTP/1.1") + strlen(get_linebreak) +
strlen("Host: ") + strlen(mlabns_server) + strlen(get_linebreak) +
strlen("Connection: close") + strlen(get_linebreak) +
strlen(get_linebreak);
get = (char*)malloc(get_len + 1);
memset(get, 0, get_len+1);
strcpy(get, "GET /");
strcat(get, service);
strcat(get, " HTTP/1.1");
strcat(get, get_linebreak);
strcat(get, "Host: ");
strcat(get, mlabns_server);
strcat(get, get_linebreak);
strcat(get, "Connection: close");
strcat(get, get_linebreak);
strcat(get, get_linebreak);
printf("get: %s\n", get);
if ((http_socket = socket(AF_INET, SOCK_STREAM, 0)) < 0) {
success = -3;
goto error;
}
if (connect(http_socket, server_addr, sizeof(struct sockaddr_in))) {
success = -4;
goto error;
}
write(http_socket, get, get_len);
while (read(http_socket, &b, 1)) {
if (in_header) {
if (end_of_header[end_of_header_ctr++] != b) {
end_of_header_ctr = 0;
}
if (end_of_header_ctr>=end_of_header_len) {
in_header = 0;
}
} else {
if (response_len_ctr>=response_len_max)
break;
response[response_len_ctr] = b;
response_len_ctr++;
}
}
#ifdef DEBUG
printf("response: -%s-\n", response);
#endif
json_parse_success = 1;
input_string = response;
input_len = strlen(input_string);
yyparse();
if (!json_parse_success) {
printf("failed to parse.\n");
goto error;
}
#ifdef DEBUG
if (json_parse_success) print_json_object(root);
#endif
error:
close(http_socket);
free(get);
return success;
}
