*
*/
-#include "qapi/qmp/qlist.h"
-#include "qapi/qmp/qint.h"
-#include "qapi/qmp/qdict.h"
#include "qapi/qmp/json-lexer.h"
#include "qemu-common.h"
#include "ecs-json-streamer.h"
#define MAX_TOKEN_SIZE (64ULL << 20)
+#define MAX_TOKEN_COUNT (2ULL << 20)
#define MAX_NESTING (1ULL << 10)
-static void ecs_json_message_process_token(JSONLexer *lexer, QString *token, JSONTokenType type, int x, int y)
+static void json_message_free_tokens(JSONMessageParser *parser)
+{
+ if (parser->tokens) {
+ g_queue_free(parser->tokens);
+ parser->tokens = NULL;
+ }
+}
+
+static void ecs_json_message_process_token(JSONLexer *lexer, GString *input,
+ JSONTokenType type, int x, int y)
{
JSONMessageParser *parser = container_of(lexer, JSONMessageParser, lexer);
- QDict *dict;
-
- if (type == JSON_OPERATOR) {
- switch (qstring_get_str(token)[0]) {
- case '{':
- parser->brace_count++;
- break;
- case '}':
- parser->brace_count--;
- break;
- case '[':
- parser->bracket_count++;
- break;
- case ']':
- parser->bracket_count--;
- break;
- default:
- break;
- }
+ JSONToken *token;
+
+ switch (type) {
+ case JSON_LCURLY:
+ parser->brace_count++;
+ break;
+ case JSON_RCURLY:
+ parser->brace_count--;
+ break;
+ case JSON_LSQUARE:
+ parser->bracket_count++;
+ break;
+ case JSON_RSQUARE:
+ parser->bracket_count--;
+ break;
+ default:
+ break;
}
- dict = qdict_new();
- qdict_put(dict, "type", qint_from_int(type));
- QINCREF(token);
- qdict_put(dict, "token", token);
- qdict_put(dict, "x", qint_from_int(x));
- qdict_put(dict, "y", qint_from_int(y));
+ token = g_malloc(sizeof(JSONToken) + input->len + 1);
+ token->type = type;
+ memcpy(token->str, input->str, input->len);
+ token->str[input->len] = 0;
+ token->x = x;
+ token->y = y;
- parser->token_size += token->length;
+ parser->token_size += input->len;
- qlist_append(parser->tokens, dict);
+ g_queue_push_tail(parser->tokens, token);
if (type == JSON_ERROR) {
goto out_emit_bad;
parser->bracket_count == 0)) {
goto out_emit;
} else if (parser->token_size > MAX_TOKEN_SIZE ||
- parser->bracket_count > MAX_NESTING ||
- parser->brace_count > MAX_NESTING) {
+ g_queue_get_length(parser->tokens) > MAX_TOKEN_COUNT ||
+ parser->bracket_count + parser->brace_count > MAX_NESTING) {
/* Security consideration, we limit total memory allocated per object
* and the maximum recursion depth that a message can force.
*/
- goto out_emit;
+ goto out_emit_bad;
}
return;
out_emit_bad:
- /* clear out token list and tell the parser to emit and error
+ /*
+ * Clear out token list and tell the parser to emit an error
* indication by passing it a NULL list
*/
- QDECREF(parser->tokens);
- parser->tokens = NULL;
+ json_message_free_tokens(parser);
out_emit:
/* send current list of tokens to parser and reset tokenizer */
parser->brace_count = 0;
parser->bracket_count = 0;
+ /* parser->emit takes ownership of parser->tokens. */
parser->emit(parser, parser->tokens, parser->opaque);
- if (parser->tokens) {
- QDECREF(parser->tokens);
- }
- parser->tokens = qlist_new();
+ parser->tokens = g_queue_new();
parser->token_size = 0;
}
void ecs_json_message_parser_init(JSONMessageParser *parser,
- void (*func)(JSONMessageParser *, QList *, void *), void *opaque)
+ void (*func)(JSONMessageParser *, GQueue *, void *), void *opaque)
{
parser->emit = func;
parser->brace_count = 0;
parser->bracket_count = 0;
- parser->tokens = qlist_new();
+ parser->tokens = g_queue_new();
parser->token_size = 0;
parser->opaque = opaque;
void ecs_json_message_parser_destroy(JSONMessageParser *parser)
{
json_lexer_destroy(&parser->lexer);
- QDECREF(parser->tokens);
+ json_message_free_tokens(parser);
}
#ifndef QEMU_JSON_STREAMER_H
#define QEMU_JSON_STREAMER_H
-#include "qapi/qmp/qlist.h"
#include "qapi/qmp/json-lexer.h"
+typedef struct JSONToken {
+ int type;
+ int x;
+ int y;
+ char str[];
+} JSONToken;
+
typedef struct JSONMessageParser
{
- void (*emit)(struct JSONMessageParser *parser, QList *tokens, void *);
+ void (*emit)(struct JSONMessageParser *parser, GQueue *tokens, void *);
JSONLexer lexer;
int brace_count;
int bracket_count;
- QList *tokens;
+ GQueue *tokens;
uint64_t token_size;
void *opaque;
} JSONMessageParser;
void ecs_json_message_parser_init(JSONMessageParser *parser,
- void (*func)(JSONMessageParser *, QList *, void *), void *opaque);
+ void (*func)(JSONMessageParser *, GQueue *, void *), void *opaque);
int ecs_json_message_parser_feed(JSONMessageParser *parser,
const char *buffer, size_t size);
#include "qmp-commands.h"
#include "qapi/qmp/qjson.h"
#include "qapi/qmp/json-parser.h"
+#include "qmp-introspect.h"
#include "ecs.h"
#include "hw/virtio/maru_virtio_evdi.h"
static void qmp_capabilities(QDict *params, QObject **ret_data, Error **errp) {
}
+static void qmp_query_qmp_schema(QDict *qdict, QObject **ret_data,
+ Error **errp)
+{
+ *ret_data = qobject_from_json(qmp_schema_json);
+}
+
static const mon_cmd_t qmp_cmds[] = {
#include "qmp-commands-old.h"
{ /* NULL */}, };
return search_dispatch_table(qmp_cmds, cmdname);
}
-void handle_qmp_command(JSONMessageParser *parser, QList *tokens,
- void *opaque) {
+void handle_qmp_command(JSONMessageParser *parser, GQueue *tokens,
+ void *opaque)
+{
Error *local_err = NULL;
QObject *obj;
QDict *input, *args;
err_out:
ecs_protocol_emitter(clii, NULL, NULL, local_err);
out:
+ error_free(local_err);
QDECREF(input);
QDECREF(args);
}
ecs_json_message_parser_feed(&(ccli->parser), (const char *) msg->command, strlen(msg->command));
return true;
}
-