MIRROR: javascript for 🐜's, a tiny runtime with big ambitions
metadata based remote esm
+23
-33
+23
-33
src/esm/remote.c
+23
-33
src/esm/remote.c
···
133
133
return cache_path;
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}
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136
-
static char *esm_read_cache(const char *cache_path, const char *url, size_t *out_len) {
136
+
static char *esm_read_cache(const char *cache_path, size_t *out_len) {
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FILE *fp = fopen(cache_path, "rb");
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if (!fp) return NULL;
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···
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fclose(fp);
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content[size] = '\0';
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-
char *newline = strchr(content, '\n');
155
-
if (!newline) {
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-
free(content);
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-
return NULL;
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-
}
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-
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-
size_t url_len = newline - content;
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-
if (strncmp(content, url, url_len) != 0 || strlen(url) != url_len) {
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-
free(content);
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-
return NULL;
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-
}
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-
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-
char *body = newline + 1;
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-
size_t body_len = size - (body - content);
168
-
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-
char *result = malloc(body_len + 1);
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-
if (!result) {
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-
free(content);
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-
return NULL;
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-
}
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-
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-
memcpy(result, body, body_len);
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-
result[body_len] = '\0';
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-
free(content);
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-
179
-
if (out_len) *out_len = body_len;
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-
return result;
154
+
if (out_len) *out_len = (size_t)size;
155
+
return content;
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156
}
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183
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static void esm_mkdir_recursive(char *path) {
···
203
178
}
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esm_mkdir_recursive(dir);
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-
free(dir);
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FILE *fp = fopen(cache_path, "wb");
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-
if (!fp) return;
210
-
211
-
fprintf(fp, "%s\n", url);
183
+
if (!fp) { free(dir); return; }
212
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fwrite(content, 1, len, fp);
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185
fclose(fp);
186
+
187
+
size_t meta_len = strlen(dir) + 16;
188
+
char *meta_path = malloc(meta_len);
189
+
if (meta_path) {
190
+
snprintf(meta_path, meta_len, "%s/metadata.bin", dir);
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+
FILE *mfp = fopen(meta_path, "ab");
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+
if (mfp) {
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+
uint64_t hash = hash_key(url, strlen(url));
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+
uint16_t url_len = (uint16_t)strlen(url);
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+
fwrite(&url_len, sizeof(url_len), 1, mfp);
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+
fwrite(url, 1, url_len, mfp);
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+
fwrite(&hash, sizeof(hash), 1, mfp);
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+
fclose(mfp);
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+
}
200
+
free(meta_path);
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+
}
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+
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+
free(dir);
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}
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char *esm_fetch_url(const char *url, size_t *out_len, char **out_error) {
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char *cache_path = esm_get_cache_path(url);
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if (cache_path) {
219
-
char *cached = esm_read_cache(cache_path, url, out_len);
209
+
char *cached = esm_read_cache(cache_path, out_len);
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if (cached) { free(cache_path); return cached; }
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}
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