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perf(core): add hole management

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This commit is contained in:
Masahiko AMANO
2022-12-23 13:16:27 +03:00
parent 3660e2eb44
commit c043bba958
4 changed files with 220 additions and 176 deletions
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src/core/shoppyou.c
+46 -44
View File
@@ -4,43 +4,29 @@
#include "../../include/core.h"
// Shoppyou file signature: 七夕飾表
static const uint16_t SHOPPYOU_SIG[4] = {L'七', L'夕', L'飾', L'表'};
int shoppyou_init(Shoppyou *shoppyou) {
uint64_t timestamp = time(NULL);
shoppyou->created_ts = timestamp;
shoppyou->modified_ts = timestamp;
shoppyou->created_ts = time(NULL);
shoppyou->modified_ts = shoppyou->created_ts;
shoppyou->size = 0;
shoppyou->removed_cnt = 0;
shoppyou->contents = NULL;
shoppyou->content = NULL;
shoppyou->hole_cnt = 0;
shoppyou->holes = NULL;
shoppyou->file = NULL;
return 0;
}
int shoppyou_free(Shoppyou *shoppyou) {
free(shoppyou->contents);
free(shoppyou->content);
free(shoppyou->holes);
if (shoppyou->file != NULL) {
fclose(shoppyou->file);
}
return 0;
}
int shoppyou_weed(Shoppyou *shoppyou) {
if (shoppyou->removed_cnt == 0) {
return 0;
}
uint64_t weeded_size = shoppyou->size - shoppyou->removed_cnt;
for (uint64_t i = 0, shift = 0; i < shoppyou->size; i++) {
if (shoppyou->contents[i].sasa_id != 0 && shoppyou->contents[i].tanzaku_id != 0) {
shoppyou->contents[i - shift] = shoppyou->contents[i];
} else {
shift++;
}
}
shoppyou->size = weeded_size;
shoppyou->removed_cnt = 0;
shoppyou->contents = realloc(shoppyou->contents, shoppyou->size * sizeof(Kazari));
return 0;
}
int shoppyou_load(Shoppyou *shoppyou) {
if (shoppyou->file == NULL) {
fprintf(stderr, "Failed to load shoppyou: file not specified\n");
@@ -56,12 +42,13 @@ int shoppyou_load(Shoppyou *shoppyou) {
fread(&shoppyou->created_ts, 8, 1, shoppyou->file);
fread(&shoppyou->modified_ts, 8, 1, shoppyou->file);
fread(&shoppyou->size, 8, 1, shoppyou->file);
shoppyou->removed_cnt = 0;
shoppyou->contents = malloc(shoppyou->size * sizeof(Kazari));
shoppyou->hole_cnt = 0;
free(shoppyou->holes);
shoppyou->content = malloc(shoppyou->size * sizeof(Kazari));
for (uint64_t i = 0; i < shoppyou->size; i++) {
fread(&shoppyou->contents[i].created_ts, 8, 1, shoppyou->file);
fread(&shoppyou->contents[i].sasa_id, 8, 1, shoppyou->file);
fread(&shoppyou->contents[i].tanzaku_id, 8, 1, shoppyou->file);
fread(&shoppyou->content[i].created_ts, 8, 1, shoppyou->file);
fread(&shoppyou->content[i].sasa_id, 8, 1, shoppyou->file);
fread(&shoppyou->content[i].tanzaku_id, 8, 1, shoppyou->file);
}
return 0;
}
@@ -71,20 +58,19 @@ int shoppyou_save(Shoppyou *shoppyou) {
fprintf(stderr, "Failed to save shoppyou: file not specified\n");
return 1;
}
if (shoppyou_weed(shoppyou) != 0) {
fprintf(stderr, "Failed to save shoppyou: failed to weed shoppyou\n");
return 1;
}
rewind(shoppyou->file);
fwrite(SHOPPYOU_SIG, 2, 4, shoppyou->file);
fwrite(&shoppyou->created_ts, 8, 1, shoppyou->file);
fwrite(&shoppyou->modified_ts, 8, 1, shoppyou->file);
fwrite(&shoppyou->size, 8, 1, shoppyou->file);
uint64_t size = shoppyou->size - shoppyou->hole_cnt;
fwrite(&size, 8, 1, shoppyou->file);
fflush(shoppyou->file);
for (uint64_t i = 0; i < shoppyou->size; i++) {
fwrite(&shoppyou->contents[i].created_ts, 8, 1, shoppyou->file);
fwrite(&shoppyou->contents[i].sasa_id, 8, 1, shoppyou->file);
fwrite(&shoppyou->contents[i].tanzaku_id, 8, 1, shoppyou->file);
if (shoppyou->content[i].sasa_id != 0 && shoppyou->content[i].tanzaku_id != 0) {
fwrite(&shoppyou->content[i].created_ts, 8, 1, shoppyou->file);
fwrite(&shoppyou->content[i].sasa_id, 8, 1, shoppyou->file);
fwrite(&shoppyou->content[i].tanzaku_id, 8, 1, shoppyou->file);
}
}
fflush(shoppyou->file);
return 0;
@@ -109,7 +95,11 @@ int shoppyou_dump(Shoppyou *shoppyou, const char *path) {
}
int kazari_add(Shoppyou *shoppyou, uint64_t sasa_id, uint64_t tanzaku_id) {
if (shoppyou->size == -1) {
if (sasa_id == HOLE_ID || tanzaku_id == HOLE_ID) {
fprintf(stderr, "Failed to add kazari: got hole ID\n");
return 1;
}
if (shoppyou->size == -1 && shoppyou->hole_cnt == 0) {
fprintf(stderr, "Failed to add kazari: shoppyou is full\n");
return 1;
}
@@ -117,19 +107,31 @@ int kazari_add(Shoppyou *shoppyou, uint64_t sasa_id, uint64_t tanzaku_id) {
newbie.created_ts = time(NULL);
newbie.sasa_id = sasa_id;
newbie.tanzaku_id = tanzaku_id;
shoppyou->size++;
shoppyou->contents = realloc(shoppyou->contents, shoppyou->size * sizeof(Kazari));
shoppyou->contents[shoppyou->size - 1] = newbie;
if (shoppyou->hole_cnt > 0) {
shoppyou->hole_cnt--;
**(shoppyou->holes + shoppyou->hole_cnt) = newbie;
shoppyou->holes = realloc(shoppyou->holes, shoppyou->hole_cnt * sizeof(Kazari *));
} else {
shoppyou->size++;
shoppyou->content = realloc(shoppyou->content, shoppyou->size * sizeof(Kazari));
shoppyou->content[shoppyou->size - 1] = newbie;
}
shoppyou->modified_ts = newbie.created_ts;
return 0;
}
int kazari_rem(Shoppyou *shoppyou, uint64_t sasa_id, uint64_t tanzaku_id) {
if (sasa_id == HOLE_ID || tanzaku_id == HOLE_ID) {
fprintf(stderr, "Failed to remove kazari: got hole ID\n");
return 1;
}
for (uint64_t i = 0; i < shoppyou->size; i++) {
if (shoppyou->contents[i].sasa_id == sasa_id && shoppyou->contents[i].tanzaku_id == tanzaku_id) {
if (shoppyou->content[i].sasa_id == sasa_id && shoppyou->content[i].tanzaku_id == tanzaku_id) {
shoppyou->content[i].sasa_id = HOLE_ID;
shoppyou->hole_cnt++;
shoppyou->holes = realloc(shoppyou->holes, shoppyou->hole_cnt * sizeof(Kazari *));
shoppyou->holes[shoppyou->hole_cnt - 1] = shoppyou->content + i;
shoppyou->modified_ts = time(NULL);
shoppyou->contents[i].sasa_id = 0;
shoppyou->removed_cnt++;
return 0;
}
}