cory/tildefriends
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Allow the DB writer to be used from a worker thread. Not well tested, just still trying to charge forward on moving all blocking work off the main thread.

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git-svn-id: https://www.unprompted.com/svn/projects/tildefriends/trunk@4325 ed5197a5-7fde-0310-b194-c3ffbd925b24
This commit is contained in:
Cory McWilliams
2023-06-15 00:27:49 +00:00
parent 51b317233a
commit 7d562ce85c
11 changed files with 163 additions and 92 deletions
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26
src/ssb.connections.c
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@ -16,7 +16,6 @@
typedef struct _tf_ssb_connections_t
{
tf_ssb_t* ssb;
sqlite3* db;
uv_timer_t timer;
} tf_ssb_connections_t;
@ -55,7 +54,8 @@ static bool _tf_ssb_connections_get_next_connection(tf_ssb_connections_t* connec
{
bool result = false;
sqlite3_stmt* statement;
if (sqlite3_prepare(connections->db, "SELECT host, port, key FROM connections WHERE last_attempt IS NULL OR (strftime('%s', 'now') - last_attempt > $1) ORDER BY last_attempt LIMIT 1", -1, &statement, NULL) == SQLITE_OK)
sqlite3* db = tf_ssb_acquire_db_reader(connections->ssb);
if (sqlite3_prepare(db, "SELECT host, port, key FROM connections WHERE last_attempt IS NULL OR (strftime('%s', 'now') - last_attempt > $1) ORDER BY last_attempt LIMIT 1", -1, &statement, NULL) == SQLITE_OK)
{
if (sqlite3_bind_int(statement, 1, 60000) == SQLITE_OK &&
sqlite3_step(statement) == SQLITE_ROW)
@ -69,8 +69,9 @@ static bool _tf_ssb_connections_get_next_connection(tf_ssb_connections_t* connec
}
else
{
tf_printf("prepare: %s\n", sqlite3_errmsg(connections->db));
tf_printf("prepare: %s\n", sqlite3_errmsg(db));
}
tf_ssb_release_db_reader(connections->ssb, db);
return result;
}
@ -100,7 +101,6 @@ tf_ssb_connections_t* tf_ssb_connections_create(tf_ssb_t* ssb)
tf_ssb_connections_t* connections = tf_malloc(sizeof(tf_ssb_connections_t));
memset(connections, 0, sizeof(*connections));
connections->ssb = ssb;
connections->db = tf_ssb_get_db(ssb);
tf_ssb_add_connections_changed_callback(ssb, _tf_ssb_connections_changed_callback, NULL, connections);
@ -128,7 +128,8 @@ void tf_ssb_connections_destroy(tf_ssb_connections_t* connections)
void tf_ssb_connections_store(tf_ssb_connections_t* connections, const char* host, int port, const char* key)
{
sqlite3_stmt* statement;
if (sqlite3_prepare(connections->db, "INSERT INTO connections (host, port, key) VALUES ($1, $2, $3) ON CONFLICT DO NOTHING", -1, &statement, NULL) == SQLITE_OK)
sqlite3* db = tf_ssb_acquire_db_writer(connections->ssb);
if (sqlite3_prepare(db, "INSERT INTO connections (host, port, key) VALUES ($1, $2, $3) ON CONFLICT DO NOTHING", -1, &statement, NULL) == SQLITE_OK)
{
if (sqlite3_bind_text(statement, 1, host, -1, NULL) == SQLITE_OK &&
sqlite3_bind_int(statement, 2, port) == SQLITE_OK &&
@ -137,17 +138,19 @@ void tf_ssb_connections_store(tf_ssb_connections_t* connections, const char* hos
int r = sqlite3_step(statement);
if (r != SQLITE_DONE)
{
tf_printf("tf_ssb_connections_store: %d, %s.\n", r, sqlite3_errmsg(connections->db));
tf_printf("tf_ssb_connections_store: %d, %s.\n", r, sqlite3_errmsg(db));
}
}
sqlite3_finalize(statement);
}
tf_ssb_release_db_writer(connections->ssb, db);
}
void tf_ssb_connections_set_attempted(tf_ssb_connections_t* connections, const char* host, int port, const char* key)
{
sqlite3_stmt* statement;
if (sqlite3_prepare(connections->db, "UPDATE connections SET last_attempt = strftime('%s', 'now') WHERE host = $1 AND port = $2 AND key = $3", -1, &statement, NULL) == SQLITE_OK)
sqlite3* db = tf_ssb_acquire_db_writer(connections->ssb);
if (sqlite3_prepare(db, "UPDATE connections SET last_attempt = strftime('%s', 'now') WHERE host = $1 AND port = $2 AND key = $3", -1, &statement, NULL) == SQLITE_OK)
{
if (sqlite3_bind_text(statement, 1, host, -1, NULL) == SQLITE_OK &&
sqlite3_bind_int(statement, 2, port) == SQLITE_OK &&
@ -155,17 +158,19 @@ void tf_ssb_connections_set_attempted(tf_ssb_connections_t* connections, const c
{
if (sqlite3_step(statement) != SQLITE_DONE)
{
tf_printf("tf_ssb_connections_set_attempted: %s.\n", sqlite3_errmsg(connections->db));
tf_printf("tf_ssb_connections_set_attempted: %s.\n", sqlite3_errmsg(db));
}
}
sqlite3_finalize(statement);
}
tf_ssb_release_db_writer(connections->ssb, db);
}
void tf_ssb_connections_set_succeeded(tf_ssb_connections_t* connections, const char* host, int port, const char* key)
{
sqlite3_stmt* statement;
if (sqlite3_prepare(connections->db, "UPDATE connections SET last_success = strftime('%s', 'now') WHERE host = $1 AND port = $2 AND key = $3", -1, &statement, NULL) == SQLITE_OK)
sqlite3* db = tf_ssb_acquire_db_writer(connections->ssb);
if (sqlite3_prepare(db, "UPDATE connections SET last_success = strftime('%s', 'now') WHERE host = $1 AND port = $2 AND key = $3", -1, &statement, NULL) == SQLITE_OK)
{
if (sqlite3_bind_text(statement, 1, host, -1, NULL) == SQLITE_OK &&
sqlite3_bind_int(statement, 2, port) == SQLITE_OK &&
@ -173,9 +178,10 @@ void tf_ssb_connections_set_succeeded(tf_ssb_connections_t* connections, const c
{
if (sqlite3_step(statement) != SQLITE_DONE)
{
tf_printf("tf_ssb_connections_set_succeeded: %s.\n", sqlite3_errmsg(connections->db));
tf_printf("tf_ssb_connections_set_succeeded: %s.\n", sqlite3_errmsg(db));
}
}
sqlite3_finalize(statement);
}
tf_ssb_release_db_writer(connections->ssb, db);
}