diff options
author | 2016-05-18 13:18:31 +0300 | |
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committer | 2016-05-18 13:42:15 +0300 | |
commit | 437fd90c0250dee670290f9b714253671a990160 (patch) | |
tree | b871786c360704244a07411c69fb58da9ead4a06 /qemu/qobject/json-streamer.c | |
parent | 5bbd6fe9b8bab2a93e548c5a53b032d1939eec05 (diff) |
These changes are the raw update to qemu-2.6.
Collission happened in the following patches:
migration: do cleanup operation after completion(738df5b9)
Bug fix.(1750c932f86)
kvmclock: add a new function to update env->tsc.(b52baab2)
The code provided by the patches was already in the upstreamed
version.
Change-Id: I3cc11841a6a76ae20887b2e245710199e1ea7f9a
Signed-off-by: José Pekkarinen <jose.pekkarinen@nokia.com>
Diffstat (limited to 'qemu/qobject/json-streamer.c')
-rw-r--r-- | qemu/qobject/json-streamer.c | 92 |
1 files changed, 48 insertions, 44 deletions
diff --git a/qemu/qobject/json-streamer.c b/qemu/qobject/json-streamer.c index 1b2f9b1d1..02516853a 100644 --- a/qemu/qobject/json-streamer.c +++ b/qemu/qobject/json-streamer.c @@ -11,50 +11,56 @@ * */ -#include "qapi/qmp/qlist.h" -#include "qapi/qmp/qint.h" -#include "qapi/qmp/qdict.h" +#include "qemu/osdep.h" #include "qemu-common.h" #include "qapi/qmp/json-lexer.h" #include "qapi/qmp/json-streamer.h" #define MAX_TOKEN_SIZE (64ULL << 20) +#define MAX_TOKEN_COUNT (2ULL << 20) #define MAX_NESTING (1ULL << 10) -static void 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 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; @@ -64,41 +70,39 @@ static void json_message_process_token(JSONLexer *lexer, QString *token, JSONTok 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); - if (parser->tokens) { - QDECREF(parser->tokens); - } - parser->tokens = qlist_new(); + parser->tokens = g_queue_new(); parser->token_size = 0; } void json_message_parser_init(JSONMessageParser *parser, - void (*func)(JSONMessageParser *, QList *)) + void (*func)(JSONMessageParser *, GQueue *)) { parser->emit = func; parser->brace_count = 0; parser->bracket_count = 0; - parser->tokens = qlist_new(); + parser->tokens = g_queue_new(); parser->token_size = 0; json_lexer_init(&parser->lexer, json_message_process_token); @@ -118,5 +122,5 @@ int json_message_parser_flush(JSONMessageParser *parser) void json_message_parser_destroy(JSONMessageParser *parser) { json_lexer_destroy(&parser->lexer); - QDECREF(parser->tokens); + json_message_free_tokens(parser); } |