#include <glib.h>
#include <string.h>
-#include "bluesky.h"
+#include "bluesky-private.h"
#include "libs3.h"
/* Interface to Amazon S3 storage. */
-/* Simple in-memory data store for test purposes. */
-struct S3Store {
+typedef struct {
+ GThreadPool *thread_pool;
S3BucketContext bucket;
-};
-
-struct S3Store *s3store_new()
-{
- struct S3Store *store = g_new(struct S3Store, 1);
- store->bucket.bucketName = "mvrable-bluesky";
- store->bucket.protocol = S3ProtocolHTTP;
- store->bucket.uriStyle = S3UriStylePath;
- store->bucket.accessKeyId = getenv("AWS_ACCESS_KEY_ID");
- store->bucket.secretAccessKey = getenv("AWS_SECRET_ACCESS_KEY");
-
- g_print("Initializing S3 with bucket %s, access key %s\n",
- store->bucket.bucketName, store->bucket.accessKeyId);
+ uint8_t encryption_key[CRYPTO_KEY_SIZE];
+} S3Store;
- return store;
-}
+typedef struct {
+ enum { S3_GET, S3_PUT } op;
+ gchar *key;
+ BlueSkyRCStr *data;
+} S3Op;
struct get_info {
- gchar *buf;
+ int success;
+ GString *buf;
+};
+
+struct put_info {
+ BlueSkyRCStr *val;
gint offset;
};
void *callbackData)
{
struct get_info *info = (struct get_info *)callbackData;
- gint bytes = MIN(bufferSize, (int)(BLUESKY_BLOCK_SIZE - info->offset));
- memcpy(info->buf + info->offset, buffer, bytes);
- info->offset += bytes;
+ g_string_append_len(info->buf, buffer, bufferSize);
return S3StatusOK;
}
-struct put_info {
- BlueSkyRCStr *val;
- gint offset;
-};
-
static int s3store_put_handler(int bufferSize, char *buffer,
void *callbackData)
{
static S3Status s3store_properties_callback(const S3ResponseProperties *properties,
void *callbackData)
{
- g_print("(Properties callback)\n");
return S3StatusOK;
}
-void s3store_response_callback(S3Status status,
+static void s3store_response_callback(S3Status status,
const S3ErrorDetails *errorDetails,
void *callbackData)
{
- g_print("S3 operation complete, status=%s\n",
- S3_get_status_name(status));
- if (errorDetails != NULL) {
+ struct get_info *info = (struct get_info *)callbackData;
+
+ g_print("S3 operation complete, status=%s, now=%ld\n",
+ S3_get_status_name(status), bluesky_now_hires());
+
+ if (status == 0) {
+ info->success = 1;
+ }
+
+ if (errorDetails != NULL && errorDetails->message != NULL) {
g_print(" Error message: %s\n", errorDetails->message);
}
}
-BlueSkyRCStr *s3store_get(struct S3Store *store, const gchar *key)
+static void s3store_task(gpointer a, gpointer s)
{
- struct get_info info;
- info.buf = (char *)g_malloc0(BLUESKY_BLOCK_SIZE);
- info.offset = 0;
+ BlueSkyStoreAsync *async = (BlueSkyStoreAsync *)a;
+ S3Store *store = (S3Store *)s;
+
+ async->status = ASYNC_RUNNING;
+
+ if (async->op == STORE_OP_GET) {
+ struct get_info info;
+ info.buf = g_string_new("");
+ info.success = 0;
+
+ struct S3GetObjectHandler handler;
+ handler.responseHandler.propertiesCallback = s3store_properties_callback;
+ handler.responseHandler.completeCallback = s3store_response_callback;
+ handler.getObjectDataCallback = s3store_get_handler;
+
+ S3_get_object(&store->bucket, async->key, NULL, 0, 0, NULL,
+ &handler, &info);
+
+ if (info.success) {
+ BlueSkyRCStr *raw, *decrypted;
+ raw = bluesky_string_new_from_gstring(info.buf);
+ decrypted = bluesky_crypt_decrypt(raw, store->encryption_key);
+ bluesky_string_unref(raw);
+ async->data = decrypted;
+ async->result = 0;
+ } else {
+ g_string_free(info.buf, TRUE);
+ }
+
+ } else if (async->op == STORE_OP_PUT) {
+ BlueSkyRCStr *encrypted = bluesky_crypt_encrypt(async->data,
+ store->encryption_key);
+
+ struct put_info info;
+ info.val = encrypted;
+ info.offset = 0;
+
+ struct S3PutObjectHandler handler;
+ handler.responseHandler.propertiesCallback
+ = s3store_properties_callback;
+ handler.responseHandler.completeCallback = s3store_response_callback;
+ handler.putObjectDataCallback = s3store_put_handler;
+
+ S3_put_object(&store->bucket, async->key, encrypted->len, NULL, NULL,
+ &handler, &info);
+
+ bluesky_string_unref(encrypted);
+
+ async->result = 0;
+ }
- struct S3GetObjectHandler handler;
- handler.responseHandler.propertiesCallback = s3store_properties_callback;
- handler.responseHandler.completeCallback = s3store_response_callback;
- handler.getObjectDataCallback = s3store_get_handler;
+ bluesky_store_async_mark_complete(async);
+ bluesky_store_async_unref(async);
+}
+
+static gpointer s3store_new()
+{
+ S3Store *store = g_new(S3Store, 1);
+ store->thread_pool = g_thread_pool_new(s3store_task, store, -1, FALSE,
+ NULL);
+ store->bucket.bucketName = "mvrable-bluesky";
+ store->bucket.protocol = S3ProtocolHTTP;
+ store->bucket.uriStyle = S3UriStylePath;
+ store->bucket.accessKeyId = getenv("AWS_ACCESS_KEY_ID");
+ store->bucket.secretAccessKey = getenv("AWS_SECRET_ACCESS_KEY");
+
+ const char *key = getenv("BLUESKY_KEY");
+ if (key == NULL) {
+ g_error("Encryption key not defined; please set BLUESKY_KEY environment variable");
+ exit(1);
+ }
+
+ bluesky_crypt_hash_key(key, store->encryption_key);
+
+ g_print("Initializing S3 with bucket %s, access key %s, encryption key %s\n",
+ store->bucket.bucketName, store->bucket.accessKeyId, key);
+
+ return store;
+}
- g_print("Starting fetch of %s from S3...\n", key);
- S3_get_object(&store->bucket, key, NULL, 0, 0, NULL,
- &handler, &info);
+static void s3store_destroy(gpointer store)
+{
+ g_free(store);
+}
- return bluesky_string_new(info.buf, BLUESKY_BLOCK_SIZE);
+static void s3store_submit(gpointer s, BlueSkyStoreAsync *async)
+{
+ S3Store *store = (S3Store *)s;
+ g_return_if_fail(async->status == ASYNC_NEW);
+ g_return_if_fail(async->op != STORE_OP_NONE);
+
+ switch (async->op) {
+ case STORE_OP_GET:
+ case STORE_OP_PUT:
+ async->status = ASYNC_PENDING;
+ bluesky_store_async_ref(async);
+ g_thread_pool_push(store->thread_pool, async, NULL);
+ break;
+
+ default:
+ g_warning("Uknown operation type for S3Store: %d\n", async->op);
+ bluesky_store_async_mark_complete(async);
+ break;
+ }
}
-void s3store_put(struct S3Store *store, const gchar *key, BlueSkyRCStr *val)
+static void s3store_cleanup(gpointer store, BlueSkyStoreAsync *async)
+{
+ GString *buf = (GString *)async->store_private;
+
+ if (buf != NULL) {
+ g_string_free(buf, TRUE);
+ async->store_private = NULL;
+ }
+}
+
+static BlueSkyStoreImplementation store_impl = {
+ .create = s3store_new,
+ .destroy = s3store_destroy,
+ .submit = s3store_submit,
+ .cleanup = s3store_cleanup,
+};
+
+void bluesky_store_init_s3(void)
{
- struct put_info info;
- info.val = val;
- info.offset = 0;
-
- struct S3PutObjectHandler handler;
- handler.responseHandler.propertiesCallback = s3store_properties_callback;
- handler.responseHandler.completeCallback = s3store_response_callback;
- handler.putObjectDataCallback = s3store_put_handler;
-
- g_print("Starting store of %s to S3...\n", key);
- S3_put_object(&store->bucket, key, val->len, NULL, NULL,
- &handler, &info);
+ S3_initialize(NULL, S3_INIT_ALL);
+ bluesky_store_register(&store_impl, "s3");
}