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feat(lsm): store pointer to store in entry handle

lsm
Jef Roosens 2023-11-09 22:05:20 +01:00
parent d4b21fb84d
commit eb0ce16f78
Signed by: Jef Roosens
GPG Key ID: 02D4C0997E74717B
7 changed files with 23 additions and 59 deletions
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11
lsm/include/lsm/store.h
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@ -188,8 +188,7 @@ lsm_error lsm_store_insert(lsm_entry_handle **out, lsm_store *store,
* @param entry entry to append data to
* @param data data to append
*/
lsm_error lsm_entry_data_append(lsm_store *store, lsm_entry_handle *handle,
lsm_str *data);
lsm_error lsm_entry_data_append(lsm_entry_handle *handle, lsm_str *data);
/**
* Same as `lsm_entry_data_append`, except that it takes a direct char array.
@ -199,8 +198,8 @@ lsm_error lsm_entry_data_append(lsm_store *store, lsm_entry_handle *handle,
* @param data data to append
* @param len length of data array
*/
lsm_error lsm_entry_data_append_raw(lsm_store *store, lsm_entry_handle *handle,
char *data, uint64_t len);
lsm_error lsm_entry_data_append_raw(lsm_entry_handle *handle, char *data,
uint64_t len);
/**
* Read a number of bytes from the entry's data field. The position from which
@ -211,7 +210,7 @@ lsm_error lsm_entry_data_append_raw(lsm_store *store, lsm_entry_handle *handle,
* @param handle entry handle to read from
* @param len how many bytes to read at most
*/
lsm_error lsm_entry_data_read(uint64_t *out, char *buf, lsm_store *store,
lsm_error lsm_entry_data_read(uint64_t *out, char *buf,
lsm_entry_handle *handle, uint64_t len);
/**
@ -220,7 +219,7 @@ lsm_error lsm_entry_data_read(uint64_t *out, char *buf, lsm_store *store,
* @param store store to persist entry in
* @param handle handle to entry to persist
*/
lsm_error lsm_entry_sync(lsm_store *store, lsm_entry_handle *handle);
lsm_error lsm_entry_sync(lsm_entry_handle *handle);
/**
* Return the length of the entry's data.

1
lsm/src/_include/lsm/store_internal.h
View File

@ -58,6 +58,7 @@ void lsm_entry_wrapper_free(lsm_entry_wrapper *wrapper);
struct lsm_entry_handle {
lsm_entry_wrapper *wrapper;
lsm_store *store;
FILE *f;
uint64_t pos;
};

50
lsm/src/store/lsm_store.c
View File

@ -62,24 +62,8 @@ lsm_error lsm_store_open_read(lsm_entry_handle **out, lsm_store *store,
return res;
}
/* // Open a new file descriptor if needed */
/* if (entry->data_len > 0) { */
/* char path[store->data_path->len + entry->key->len + 2]; */
/* sprintf(path, "%s/%s", lsm_str_ptr(store->data_path), */
/* lsm_str_ptr(entry->key)); */
/* FILE *f = fopen(path, "rb"); */
/* if (f == NULL) { */
/* free(handle); */
/* return lsm_error_failed_io; */
/* } */
/* handle->f = f; */
/* } */
handle->wrapper = wrapper;
handle->store = store;
*out = handle;
return lsm_error_ok;
@ -116,24 +100,8 @@ lsm_error lsm_store_open_write(lsm_entry_handle **out, lsm_store *store,
return res;
}
/* // Open a new file descriptor if needed */
/* if (entry->data_len > 0) { */
/* char path[store->data_path->len + entry->key->len + 2]; */
/* sprintf(path, "%s/%s", lsm_str_ptr(store->data_path), */
/* lsm_str_ptr(entry->key)); */
/* FILE *f = fopen(path, "ab"); */
/* if (f == NULL) { */
/* free(handle); */
/* return lsm_error_failed_io; */
/* } */
/* handle->f = f; */
/* } */
handle->wrapper = wrapper;
handle->store = store;
*out = handle;
return lsm_error_ok;
@ -180,14 +148,14 @@ lsm_error lsm_store_insert(lsm_entry_handle **out, lsm_store *store,
// No need to set the handle's file, as the entry doesn't have any data yet
handle->wrapper = wrapper;
handle->store = store;
*out = handle;
return lsm_error_ok;
}
lsm_error lsm_entry_data_append(lsm_store *store, lsm_entry_handle *handle,
lsm_str *data) {
lsm_error lsm_entry_data_append(lsm_entry_handle *handle, lsm_str *data) {
if (lsm_str_len(data) == 0) {
return lsm_error_ok;
}
@ -199,8 +167,8 @@ lsm_error lsm_entry_data_append(lsm_store *store, lsm_entry_handle *handle,
// Entries don't open their file unless needed
if (handle->f == NULL) {
char path[store->data_path->len + entry->key->len + 2];
sprintf(path, "%s/%s", lsm_str_ptr(store->data_path),
char path[handle->store->data_path->len + entry->key->len + 2];
sprintf(path, "%s/%s", lsm_str_ptr(handle->store->data_path),
lsm_str_ptr(entry->key));
FILE *f = fopen(path, "ab");
@ -225,7 +193,7 @@ lsm_error lsm_entry_data_append(lsm_store *store, lsm_entry_handle *handle,
return lsm_error_ok;
}
lsm_error lsm_entry_data_read(uint64_t *out, char *buf, lsm_store *store,
lsm_error lsm_entry_data_read(uint64_t *out, char *buf,
lsm_entry_handle *handle, uint64_t len) {
lsm_entry *entry = handle->wrapper->entry;
@ -237,8 +205,8 @@ lsm_error lsm_entry_data_read(uint64_t *out, char *buf, lsm_store *store,
// Entries don't open their file unless needed
if (handle->f == NULL) {
char path[store->data_path->len + entry->key->len + 2];
sprintf(path, "%s/%s", lsm_str_ptr(store->data_path),
char path[handle->store->data_path->len + entry->key->len + 2];
sprintf(path, "%s/%s", lsm_str_ptr(handle->store->data_path),
lsm_str_ptr(entry->key));
FILE *f = fopen(path, "rb");

2
lsm/src/store/lsm_store_disk_read.c
View File

@ -132,7 +132,7 @@ static lsm_error lsm_entry_read_attrs(uint64_t *sum, lsm_entry_handle *handle,
for (uint64_t i = 0; i < attr_count; i++) {
LSM_RES(lsm_fread(&attr_type, sum, db_file, sizeof(uint8_t), 1));
LSM_RES(lsm_entry_read_str(&val, sum, db_file));
lsm_entry_attr_insert(handle, attr_type, val);
LSM_RES(lsm_entry_attr_insert(handle, attr_type, val));
}
return lsm_error_ok;

4
lsm/src/store/lsm_store_disk_write.c
View File

@ -75,7 +75,9 @@ lsm_error lsm_write_idx_entry(uint64_t *size, FILE *idx_file, lsm_entry *entry,
return lsm_error_ok;
}
lsm_error lsm_entry_sync(lsm_store *store, lsm_entry_handle *handle) {
lsm_error lsm_entry_sync(lsm_entry_handle *handle) {
lsm_store *store = handle->store;
pthread_mutex_lock(&store->db_lock);
uint64_t db_entry_index = store->db_file_size;

6
src/lander/lander_get.c
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@ -93,8 +93,6 @@ bool lander_get_entry_lsm(event_loop_conn *conn) {
bool lander_stream_body_to_client(event_loop_conn *conn) {
http_loop_ctx *ctx = conn->ctx;
lander_ctx *c_ctx = ctx->c;
http_loop_gctx *gctx = ctx->g;
lander_gctx *c_gctx = gctx->c;
if ((c_ctx->entry == NULL) ||
(ctx->res.body.expected_len == ctx->res.body.len)) {
@ -105,8 +103,8 @@ bool lander_stream_body_to_client(event_loop_conn *conn) {
ctx->res.body.expected_len - ctx->res.body.len);
uint64_t read = 0;
lsm_entry_data_read(&read, (char *)&conn->wbuf[conn->wbuf_size],
c_gctx->store, c_ctx->entry, to_write);
lsm_entry_data_read(&read, (char *)&conn->wbuf[conn->wbuf_size], c_ctx->entry,
to_write);
ctx->res.body.len += read;
conn->wbuf_size += read;

8
src/lander/lander_post.c
View File

@ -151,11 +151,9 @@ bool lander_post_redirect_body_to_attr(event_loop_conn *conn) {
bool lander_entry_sync(event_loop_conn *conn) {
http_loop_ctx *ctx = conn->ctx;
http_loop_gctx *gctx = ctx->g;
lander_gctx *c_gctx = gctx->c;
lander_ctx *c_ctx = ctx->c;
if (lsm_entry_sync(c_gctx->store, c_ctx->entry) != lsm_error_ok) {
if (lsm_entry_sync(c_ctx->entry) != lsm_error_ok) {
ctx->res.status = http_internal_server_error;
}
@ -180,8 +178,6 @@ bool lander_post_paste_lsm(event_loop_conn *conn) {
bool lander_stream_body_to_entry(event_loop_conn *conn) {
http_loop_ctx *ctx = conn->ctx;
lander_ctx *c_ctx = ctx->c;
http_loop_gctx *gctx = ctx->g;
lander_gctx *c_gctx = gctx->c;
uint64_t to_append =
MIN(conn->rbuf_size - conn->rbuf_read,
@ -189,7 +185,7 @@ bool lander_stream_body_to_entry(event_loop_conn *conn) {
lsm_str *data;
lsm_str_init_copy_n(&data, (char *)&conn->rbuf[conn->rbuf_read], to_append);
lsm_entry_data_append(c_gctx->store, c_ctx->entry, data);
lsm_entry_data_append(c_ctx->entry, data);
conn->rbuf_read += to_append;