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Code Issues Releases Wiki Activity

experimental gears cache work

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This commit is contained in:
Andrew Dolgov
2009-02-02 15:02:10 +03:00
parent 3e2f2a0b7d
commit fb456d28f2
3 changed files with 146 additions and 41 deletions
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128
viewfeed.js
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@@ -1466,65 +1466,116 @@ function cdmWatchdog() {
function cache_inject(id, article, param) {
if (!cache_check_param(id, param)) {
debug("cache_article: miss: " + id + " [p=" + param + "]");
try {
if (!cache_check_param(id, param)) {
debug("cache_article: miss: " + id + " [p=" + param + "]");
if (db) {
var cache_obj = new Array();
var date = new Date();
var ts = Math.round(date.getTime() / 1000);
cache_obj["id"] = id;
cache_obj["data"] = article;
cache_obj["param"] = param;
article_cache.push(cache_obj);
} else {
debug("cache_article: hit: " + id + " [p=" + param + "]");
db.execute("INSERT INTO cache (id, article, param, added) VALUES (?, ?, ?, ?)",
[id, article, param, ts]);
} else {
var cache_obj = new Array();
cache_obj["id"] = id;
cache_obj["data"] = article;
cache_obj["param"] = param;
article_cache.push(cache_obj);
}
} else {
debug("cache_article: hit: " + id + " [p=" + param + "]");
}
} catch (e) {
exception_error("cache_inject", e);
}
}
function cache_find(id) {
for (var i = 0; i < article_cache.length; i++) {
if (article_cache[i]["id"] == id) {
return article_cache[i]["data"];
if (db) {
} else {
for (var i = 0; i < article_cache.length; i++) {
if (article_cache[i]["id"] == id) {
return article_cache[i]["data"];
}
}
}
return false;
}
function cache_find_param(id, param) {
for (var i = 0; i < article_cache.length; i++) {
if (article_cache[i]["id"] == id && article_cache[i]["param"] == param) {
return article_cache[i]["data"];
if (db) {
var rs = db.execute("SELECT article FROM cache WHERE id = ? AND param = ?",
[id, param]);
if (rs.isValidRow()) {
return rs.field(0);
}
} else {
for (var i = 0; i < article_cache.length; i++) {
if (article_cache[i]["id"] == id && article_cache[i]["param"] == param) {
return article_cache[i]["data"];
}
}
}
return false;
}
function cache_check(id) {
for (var i = 0; i < article_cache.length; i++) {
if (article_cache[i]["id"] == id) {
return true;
if (db) {
var rs = db.execute("SELECT COUNT(*) AS c FROM cache WHERE id = ?",
[id]);
if (rs.isValidRow()) {
return rs.field(0) != "0";
}
} else {
for (var i = 0; i < article_cache.length; i++) {
if (article_cache[i]["id"] == id) {
return true;
}
}
}
return false;
}
function cache_check_param(id, param) {
for (var i = 0; i < article_cache.length; i++) {
// debug("cache_check_param " + article_cache[i]["id"] + ":" +
// article_cache[i]["param"] + " vs " + id + ":" + param);
if (db) {
var rs = db.execute("SELECT COUNT(*) AS c FROM cache WHERE id = ? AND param = ?",
[id, param]);
if (article_cache[i]["id"] == id && article_cache[i]["param"] == param) {
return true;
if (rs.isValidRow()) {
return rs.field(0) != "0";
}
} else {
for (var i = 0; i < article_cache.length; i++) {
if (article_cache[i]["id"] == id && article_cache[i]["param"] == param) {
return true;
}
}
}
return false;
}
function cache_expire() {
while (article_cache.length > 25) {
article_cache.shift();
if (!db) {
while (article_cache.length > 25) {
article_cache.shift();
}
}
}
@@ -1533,18 +1584,25 @@ function cache_empty() {
}
function cache_invalidate(id) {
var i = 0
try {
while (i < article_cache.length) {
if (article_cache[i]["id"] == id) {
debug("cache_invalidate: removed id " + id);
article_cache.splice(i, 1);
return true;
if (db) {
rs = db.execute("DELETE FROM cache WHERE id = ?", [id]);
return rs.rowsAffected != 0;
} else {
var i = 0
while (i < article_cache.length) {
if (article_cache[i]["id"] == id) {
debug("cache_invalidate: removed id " + id);
article_cache.splice(i, 1);
return true;
}
i++;
}
i++;
}
debug("cache_invalidate: id not found: " + id);
return false;
} catch (e) {