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core.c
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core.c
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#include "bind.h"
#include "http/websocket.h"
#include "json.h"
#include <stdarg.h>
#include <limits.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
inspector_state_t g_inspector = {0};
const size_t k_inspector_network_body_limit = 10 * 1024 * 1024;
const size_t k_inspector_network_entry_limit = 1024;
const size_t k_inspector_network_write_queue_limit = 4 * 1024 * 1024;
const size_t k_inspector_console_event_limit = 200;
static bool sbuf_reserve(sbuf_t *b, size_t extra) {
if (extra > SIZE_MAX - b->len - 1) return false;
size_t need = b->len + extra + 1;
if (need <= b->cap) return true;
size_t cap = b->cap ? b->cap * 2 : 256;
while (cap < need) {
if (cap > SIZE_MAX / 2) return false;
cap *= 2;
}
char *next = realloc(b->data, cap);
if (!next) return false;
b->data = next;
b->cap = cap;
return true;
}
bool sbuf_append_len(sbuf_t *b, const char *s, size_t len) {
if (!s) return true;
if (!sbuf_reserve(b, len)) return false;
memcpy(b->data + b->len, s, len);
b->len += len;
b->data[b->len] = '\0';
return true;
}
bool sbuf_append(sbuf_t *b, const char *s) {
return sbuf_append_len(b, s, s ? strlen(s) : 0);
}
static bool sbuf_vappendf(sbuf_t *b, const char *fmt, va_list ap) {
va_list cp;
va_copy(cp, ap);
#if defined(__clang__)
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wformat-nonliteral"
#endif
int n = vsnprintf(NULL, 0, fmt, cp);
#if defined(__clang__)
#pragma clang diagnostic pop
#endif
va_end(cp);
if (n < 0) return false;
if (!sbuf_reserve(b, (size_t)n)) {
return false;
}
#if defined(__clang__)
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wformat-nonliteral"
#endif
vsnprintf(b->data + b->len, b->cap - b->len, fmt, ap);
#if defined(__clang__)
#pragma clang diagnostic pop
#endif
b->len += (size_t)n;
return true;
}
#if defined(__GNUC__) || defined(__clang__)
bool sbuf_appendf(sbuf_t *b, const char *fmt, ...) __attribute__((format(printf, 2, 3)));
#endif
bool sbuf_appendf(sbuf_t *b, const char *fmt, ...) {
va_list ap;
va_start(ap, fmt);
bool ok = sbuf_vappendf(b, fmt, ap);
va_end(ap);
return ok;
}
bool sbuf_json_string_len(sbuf_t *b, const char *s, size_t len) {
if (!sbuf_append(b, "\"")) return false;
for (size_t i = 0; i < len; i++) {
unsigned char c = (unsigned char)s[i];
switch (c) {
case '"': if (!sbuf_append(b, "\\\"")) return false; break;
case '\\': if (!sbuf_append(b, "\\\\")) return false; break;
case '\b': if (!sbuf_append(b, "\\b")) return false; break;
case '\f': if (!sbuf_append(b, "\\f")) return false; break;
case '\n': if (!sbuf_append(b, "\\n")) return false; break;
case '\r': if (!sbuf_append(b, "\\r")) return false; break;
case '\t': if (!sbuf_append(b, "\\t")) return false; break;
default:
if (c < 0x20) {
if (!sbuf_appendf(b, "\\u%04x", (unsigned)c)) return false;
} else if (!sbuf_append_len(b, (const char *)&c, 1)) return false;
break;
}
}
return sbuf_append(b, "\"");
}
bool sbuf_json_string(sbuf_t *b, const char *s) {
return sbuf_json_string_len(b, s ? s : "", s ? strlen(s) : 0);
}
static void inspector_write_free(uv_write_t *req, int status) {
inspector_write_t *wr = (inspector_write_t *)req;
free(wr->buf.base);
free(wr);
}
void inspector_send_raw(inspector_client_t *client, const char *data, size_t len) {
if (!client || !data) return;
if (len > UINT_MAX) return;
inspector_write_t *wr = calloc(1, sizeof(*wr));
if (!wr) return;
wr->buf.base = malloc(len);
if (!wr->buf.base) {
free(wr);
return;
}
memcpy(wr->buf.base, data, len);
wr->buf = uv_buf_init(wr->buf.base, (unsigned int)len);
if (uv_write(&wr->req, (uv_stream_t *)&client->handle, &wr->buf, 1, inspector_write_free) != 0) {
free(wr->buf.base);
free(wr);
}
}
void inspector_send_ws(inspector_client_t *client, const char *json) {
if (!client || !client->websocket || !json) return;
size_t frame_len = 0;
uint8_t *frame = ant_ws_encode_frame(ANT_WS_OPCODE_TEXT, (const uint8_t *)json, strlen(json), false, &frame_len);
if (!frame) return;
inspector_send_raw(client, (const char *)frame, frame_len);
free(frame);
}
void inspector_send_response_obj(inspector_client_t *client, int id, const char *result_obj) {
sbuf_t b = {0};
inspector_json_t json;
inspector_json_init(&json, &b);
if (
inspector_json_begin_object(&json) &&
inspector_json_key(&json, "id") &&
inspector_json_int(&json, id) &&
inspector_json_key(&json, "result") &&
inspector_json_raw(&json, result_obj ? result_obj : "{}") &&
inspector_json_end_object(&json)
) {
inspector_send_ws(client, b.data);
}
free(b.data);
}
void inspector_send_empty_result(inspector_client_t *client, int id) {
inspector_send_response_obj(client, id, "{}");
}
void inspector_send_error(inspector_client_t *client, int id, int code, const char *message) {
sbuf_t b = {0};
inspector_json_t json;
inspector_json_init(&json, &b);
if (
inspector_json_begin_object(&json) &&
inspector_json_key(&json, "id") &&
inspector_json_int(&json, id) &&
inspector_json_key(&json, "error") &&
inspector_json_begin_object(&json) &&
inspector_json_key(&json, "code") &&
inspector_json_int(&json, code) &&
inspector_json_key(&json, "message") &&
inspector_json_string(&json, message ? message : "Inspector error") &&
inspector_json_end_object(&json) &&
inspector_json_end_object(&json)
) {
inspector_send_ws(client, b.data);
}
free(b.data);
}
bool inspector_param_bool(yyjson_val *params, const char *name) {
yyjson_val *value = params ? yyjson_obj_get(params, name) : NULL;
return value && yyjson_is_bool(value) && yyjson_get_bool(value);
}
double inspector_timestamp_seconds(void) {
return (double)uv_hrtime() / 1000000000.0;
}
double inspector_wall_time_seconds(void) {
return (double)time(NULL);
}

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Expires
Sun, May 17, 5:46 AM (1 d, 21 h)
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Storage Handle
554532
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core.c (5 KB)

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