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-rw-r--r--lem/postgres.c492
1 files changed, 247 insertions, 245 deletions
diff --git a/lem/postgres.c b/lem/postgres.c
index 948c1d8..556668f 100644
--- a/lem/postgres.c
+++ b/lem/postgres.c
@@ -21,7 +21,7 @@
#include <lem.h>
#include <libpq-fe.h>
-struct connection {
+struct db {
struct ev_io w;
PGconn *conn;
lua_State *T;
@@ -60,75 +60,75 @@ err_connection(lua_State *T, PGconn *conn)
}
static int
-connection_gc(lua_State *T)
+db_gc(lua_State *T)
{
- struct connection *c = lua_touserdata(T, 1);
+ struct db *d = lua_touserdata(T, 1);
- if (c->conn == NULL)
+ if (d->conn == NULL)
return 0;
- ev_io_stop(LEM_ &c->w);
- PQfinish(c->conn);
+ ev_io_stop(LEM_ &d->w);
+ PQfinish(d->conn);
return 0;
}
static int
-connection_close(lua_State *T)
+db_close(lua_State *T)
{
- struct connection *c;
+ struct db *d;
luaL_checktype(T, 1, LUA_TUSERDATA);
- c = lua_touserdata(T, 1);
- if (c->conn == NULL)
+ d = lua_touserdata(T, 1);
+ if (d->conn == NULL)
return err_closed(T);
- if (c->T != NULL) {
- lua_pushnil(c->T);
- lua_pushliteral(c->T, "interrupted");
- lem_queue(c->T, 2);
- c->T = NULL;
+ if (d->T != NULL) {
+ lua_pushnil(d->T);
+ lua_pushliteral(d->T, "interrupted");
+ lem_queue(d->T, 2);
+ d->T = NULL;
}
- ev_io_stop(LEM_ &c->w);
- PQfinish(c->conn);
- c->conn = NULL;
+ ev_io_stop(LEM_ &d->w);
+ PQfinish(d->conn);
+ d->conn = NULL;
lua_pushboolean(T, 1);
return 1;
}
static void
-connect_handler(EV_P_ struct ev_io *w, int revents)
+postgres_connect_cb(EV_P_ struct ev_io *w, int revents)
{
- struct connection *c = (struct connection *)w;
+ struct db *d = (struct db *)w;
(void)revents;
- ev_io_stop(EV_A_ &c->w);
- switch (PQconnectPoll(c->conn)) {
+ ev_io_stop(EV_A_ &d->w);
+ switch (PQconnectPoll(d->conn)) {
case PGRES_POLLING_READING:
- lem_debug("PGRES_POLLING_READING, socket = %d", PQsocket(c->conn));
- ev_io_set(&c->w, PQsocket(c->conn), EV_READ);
+ lem_debug("PGRES_POLLING_READING, socket = %d", PQsocket(d->conn));
+ ev_io_set(&d->w, PQsocket(d->conn), EV_READ);
break;
case PGRES_POLLING_WRITING:
- lem_debug("PGRES_POLLING_WRITING, socket = %d", PQsocket(c->conn));
- ev_io_set(&c->w, PQsocket(c->conn), EV_WRITE);
+ lem_debug("PGRES_POLLING_WRITING, socket = %d", PQsocket(d->conn));
+ ev_io_set(&d->w, PQsocket(d->conn), EV_WRITE);
break;
case PGRES_POLLING_FAILED:
lem_debug("PGRES_POLLING_FAILED");
- lua_settop(c->T, 0);
- lem_queue(c->T, err_connection(c->T, c->conn));
- c->T = NULL;
- PQfinish(c->conn);
- c->conn = NULL;
+ lua_settop(d->T, 0);
+ lem_queue(d->T, err_connection(d->T, d->conn));
+ d->T = NULL;
+ PQfinish(d->conn);
+ d->conn = NULL;
return;
case PGRES_POLLING_OK:
lem_debug("PGRES_POLLING_OK");
- lem_queue(c->T, 1);
- c->T = NULL;
+ lem_queue(d->T, 1);
+ d->T = NULL;
return;
#ifndef NDEBUG
@@ -137,16 +137,16 @@ connect_handler(EV_P_ struct ev_io *w, int revents)
#endif
}
- ev_io_start(EV_A_ &c->w);
+ ev_io_start(EV_A_ &d->w);
}
static int
-connection_connect(lua_State *T)
+postgres_connect(lua_State *T)
{
const char *conninfo = luaL_checkstring(T, 1);
PGconn *conn;
ConnStatusType status;
- struct connection *c;
+ struct db *d;
conn = PQconnectStart(conninfo);
if (conn == NULL) {
@@ -161,21 +161,21 @@ connection_connect(lua_State *T)
goto error;
}
- c = lua_newuserdata(T, sizeof(struct connection));
+ d = lua_newuserdata(T, sizeof(struct db));
lua_pushvalue(T, lua_upvalueindex(1));
lua_setmetatable(T, -2);
- c->conn = conn;
+ d->conn = conn;
switch (PQconnectPoll(conn)) {
case PGRES_POLLING_READING:
lem_debug("PGRES_POLLING_READING");
- ev_io_init(&c->w, connect_handler, PQsocket(conn), EV_READ);
+ ev_io_init(&d->w, postgres_connect_cb, PQsocket(conn), EV_READ);
break;
case PGRES_POLLING_WRITING:
lem_debug("PGRES_POLLING_WRITING");
- ev_io_init(&c->w, connect_handler, PQsocket(conn), EV_WRITE);
+ ev_io_init(&d->w, postgres_connect_cb, PQsocket(conn), EV_WRITE);
break;
case PGRES_POLLING_FAILED:
@@ -184,7 +184,7 @@ connection_connect(lua_State *T)
case PGRES_POLLING_OK:
lem_debug("PGRES_POLLING_OK");
- c->T = NULL;
+ d->T = NULL;
return 1;
#ifndef NDEBUG
@@ -193,8 +193,8 @@ connection_connect(lua_State *T)
#endif
}
- c->T = T;
- ev_io_start(LEM_ &c->w);
+ d->T = T;
+ ev_io_start(LEM_ &d->w);
lua_replace(T, 1);
lua_settop(T, 1);
@@ -206,34 +206,34 @@ error:
}
static int
-connection_reset(lua_State *T)
+db_reset(lua_State *T)
{
- struct connection *c;
+ struct db *d;
luaL_checktype(T, 1, LUA_TUSERDATA);
- c = lua_touserdata(T, 1);
- if (c->conn == NULL)
+ d = lua_touserdata(T, 1);
+ if (d->conn == NULL)
return err_closed(T);
- if (c->T != NULL)
+ if (d->T != NULL)
return err_busy(T);
- if (PQresetStart(c->conn) != 1)
- return err_connection(T, c->conn);
+ if (PQresetStart(d->conn) != 1)
+ return err_connection(T, d->conn);
- c->w.cb = connect_handler;
- switch (PQconnectPoll(c->conn)) {
+ d->w.cb = postgres_connect_cb;
+ switch (PQconnectPoll(d->conn)) {
case PGRES_POLLING_READING:
lem_debug("PGRES_POLLING_READING");
- ev_io_set(&c->w, PQsocket(c->conn), EV_READ);
+ ev_io_set(&d->w, PQsocket(d->conn), EV_READ);
break;
case PGRES_POLLING_WRITING:
lem_debug("PGRES_POLLING_WRITING");
- ev_io_set(&c->w, PQsocket(c->conn), EV_WRITE);
+ ev_io_set(&d->w, PQsocket(d->conn), EV_WRITE);
break;
case PGRES_POLLING_FAILED:
lem_debug("PGRES_POLLING_FAILED");
- return err_connection(T, c->conn);
+ return err_connection(T, d->conn);
case PGRES_POLLING_OK:
lem_debug("PGRES_POLLING_OK");
@@ -245,8 +245,8 @@ connection_reset(lua_State *T)
#endif
}
- c->T = T;
- ev_io_start(LEM_ &c->w);
+ d->T = T;
+ ev_io_start(LEM_ &d->w);
lua_settop(T, 1);
return lua_yield(T, 1);
@@ -285,27 +285,27 @@ push_tuples(lua_State *T, PGresult *res)
}
static void
-error_handler(EV_P_ struct ev_io *w, int revents)
+db_error_cb(EV_P_ struct ev_io *w, int revents)
{
- struct connection *c = (struct connection *)w;
+ struct db *d = (struct db *)w;
(void)revents;
- if (PQconsumeInput(c->conn) == 0) {
- ev_io_stop(EV_A_ &c->w);
- lua_settop(c->T, 0);
- lem_queue(c->T, err_connection(c->T, c->conn));
- c->T = NULL;
+ if (PQconsumeInput(d->conn) == 0) {
+ ev_io_stop(EV_A_ &d->w);
+ lua_settop(d->T, 0);
+ lem_queue(d->T, err_connection(d->T, d->conn));
+ d->T = NULL;
return;
}
- while (!PQisBusy(c->conn)) {
- PGresult *res = PQgetResult(c->conn);
+ while (!PQisBusy(d->conn)) {
+ PGresult *res = PQgetResult(d->conn);
if (res == NULL) {
- ev_io_stop(EV_A_ &c->w);
- lem_queue(c->T, 2);
- c->T = NULL;
+ ev_io_stop(EV_A_ &d->w);
+ lem_queue(d->T, 2);
+ d->T = NULL;
return;
}
@@ -314,65 +314,65 @@ error_handler(EV_P_ struct ev_io *w, int revents)
}
static void
-exec_handler(EV_P_ struct ev_io *w, int revents)
+db_exec_cb(EV_P_ struct ev_io *w, int revents)
{
- struct connection *c = (struct connection *)w;
+ struct db *d = (struct db *)w;
PGresult *res;
(void)revents;
- if (PQconsumeInput(c->conn) != 1) {
- ev_io_stop(EV_A_ &c->w);
- lua_settop(c->T, 0);
- lem_queue(c->T, err_connection(c->T, c->conn));
- c->T = NULL;
+ if (PQconsumeInput(d->conn) != 1) {
+ ev_io_stop(EV_A_ &d->w);
+ lua_settop(d->T, 0);
+ lem_queue(d->T, err_connection(d->T, d->conn));
+ d->T = NULL;
return;
}
- while (!PQisBusy(c->conn)) {
- res = PQgetResult(c->conn);
+ while (!PQisBusy(d->conn)) {
+ res = PQgetResult(d->conn);
if (res == NULL) {
- ev_io_stop(EV_A_ &c->w);
- lem_debug("returning %d values", lua_gettop(c->T) - 1);
- lem_queue(c->T, lua_gettop(c->T) - 1);
- c->T = NULL;
+ ev_io_stop(EV_A_ &d->w);
+ lem_debug("returning %d values", lua_gettop(d->T) - 1);
+ lem_queue(d->T, lua_gettop(d->T) - 1);
+ d->T = NULL;
return;
}
switch (PQresultStatus(res)) {
case PGRES_EMPTY_QUERY:
lem_debug("PGRES_EMPTY_QUERY");
- lua_settop(c->T, 0);
- lua_pushnil(c->T);
- lua_pushliteral(c->T, "empty query");
+ lua_settop(d->T, 0);
+ lua_pushnil(d->T);
+ lua_pushliteral(d->T, "empty query");
goto error;
case PGRES_COMMAND_OK:
lem_debug("PGRES_COMMAND_OK");
- lua_pushboolean(c->T, 1);
+ lua_pushboolean(d->T, 1);
break;
case PGRES_TUPLES_OK:
lem_debug("PGRES_TUPLES_OK");
- push_tuples(c->T, res);
+ push_tuples(d->T, res);
break;
case PGRES_COPY_IN:
lem_debug("PGRES_COPY_IN");
- (void)PQsetnonblocking(c->conn, 1);
+ (void)PQsetnonblocking(d->conn, 1);
case PGRES_COPY_OUT:
lem_debug("PGRES_COPY_OUT");
PQclear(res);
- lua_pushboolean(c->T, 1);
- lem_queue(c->T, lua_gettop(c->T) - 1);
- c->T = NULL;
+ lua_pushboolean(d->T, 1);
+ lem_queue(d->T, lua_gettop(d->T) - 1);
+ d->T = NULL;
return;
case PGRES_BAD_RESPONSE:
lem_debug("PGRES_BAD_RESPONSE");
- lua_settop(c->T, 0);
- err_connection(c->T, c->conn);
+ lua_settop(d->T, 0);
+ err_connection(d->T, d->conn);
goto error;
case PGRES_NONFATAL_ERROR:
@@ -381,15 +381,15 @@ exec_handler(EV_P_ struct ev_io *w, int revents)
case PGRES_FATAL_ERROR:
lem_debug("PGRES_FATAL_ERROR");
- lua_settop(c->T, 0);
- err_connection(c->T, c->conn);
+ lua_settop(d->T, 0);
+ err_connection(d->T, d->conn);
goto error;
default:
lem_debug("unknown result status");
- lua_settop(c->T, 0);
- lua_pushnil(c->T);
- lua_pushliteral(c->T, "unknown result status");
+ lua_settop(d->T, 0);
+ lua_pushnil(d->T);
+ lua_pushliteral(d->T, "unknown result status");
goto error;
}
@@ -400,14 +400,14 @@ exec_handler(EV_P_ struct ev_io *w, int revents)
return;
error:
PQclear(res);
- c->w.cb = error_handler;
- while (!PQisBusy(c->conn)) {
- res = PQgetResult(c->conn);
+ d->w.cb = db_error_cb;
+ while (!PQisBusy(d->conn)) {
+ res = PQgetResult(d->conn);
if (res == NULL) {
- ev_io_stop(EV_A_ &c->w);
- lem_queue(c->T, 2);
- c->T = NULL;
+ ev_io_stop(EV_A_ &d->w);
+ lem_queue(d->T, 2);
+ d->T = NULL;
return;
}
@@ -416,19 +416,19 @@ error:
}
static int
-connection_exec(lua_State *T)
+db_exec(lua_State *T)
{
- struct connection *c;
+ struct db *d;
const char *command;
int n;
luaL_checktype(T, 1, LUA_TUSERDATA);
command = luaL_checkstring(T, 2);
- c = lua_touserdata(T, 1);
- if (c->conn == NULL)
+ d = lua_touserdata(T, 1);
+ if (d->conn == NULL)
return err_closed(T);
- if (c->T != NULL)
+ if (d->T != NULL)
return err_busy(T);
n = lua_gettop(T) - 2;
@@ -444,31 +444,31 @@ connection_exec(lua_State *T)
lengths[i] = len;
}
- n = PQsendQueryParams(c->conn, command, n,
+ n = PQsendQueryParams(d->conn, command, n,
NULL, values, lengths, NULL, 0);
free(values);
free(lengths);
} else
- n = PQsendQuery(c->conn, command);
+ n = PQsendQuery(d->conn, command);
if (n != 1) {
lem_debug("PQsendQuery failed");
- return err_connection(T, c->conn);
+ return err_connection(T, d->conn);
}
- c->T = T;
- c->w.cb = exec_handler;
- c->w.events = EV_READ;
- ev_io_start(LEM_ &c->w);
+ d->T = T;
+ d->w.cb = db_exec_cb;
+ d->w.events = EV_READ;
+ ev_io_start(LEM_ &d->w);
lua_settop(T, 1);
return lua_yield(T, 1);
}
static int
-connection_prepare(lua_State *T)
+db_prepare(lua_State *T)
{
- struct connection *c;
+ struct db *d;
const char *name;
const char *query;
@@ -476,27 +476,27 @@ connection_prepare(lua_State *T)
name = luaL_checkstring(T, 2);
query = luaL_checkstring(T, 3);
- c = lua_touserdata(T, 1);
- if (c->conn == NULL)
+ d = lua_touserdata(T, 1);
+ if (d->conn == NULL)
return err_closed(T);
- if (c->T != NULL)
+ if (d->T != NULL)
return err_busy(T);
- if (PQsendPrepare(c->conn, name, query, 0, NULL) != 1)
- return err_connection(T, c->conn);
+ if (PQsendPrepare(d->conn, name, query, 0, NULL) != 1)
+ return err_connection(T, d->conn);
- c->T = T;
- c->w.cb = exec_handler;
- c->w.events = EV_READ;
- ev_io_start(LEM_ &c->w);
+ d->T = T;
+ d->w.cb = db_exec_cb;
+ d->w.events = EV_READ;
+ ev_io_start(LEM_ &d->w);
lua_settop(T, 1);
return lua_yield(T, 1);
}
static int
-connection_run(lua_State *T)
+db_run(lua_State *T)
{
- struct connection *c;
+ struct db *d;
const char *name;
const char **values;
int *lengths;
@@ -506,10 +506,10 @@ connection_run(lua_State *T)
luaL_checktype(T, 1, LUA_TUSERDATA);
name = luaL_checkstring(T, 2);
- c = lua_touserdata(T, 1);
- if (c->conn == NULL)
+ d = lua_touserdata(T, 1);
+ if (d->conn == NULL)
return err_closed(T);
- if (c->T != NULL)
+ if (d->T != NULL)
return err_busy(T);
n = lua_gettop(T) - 2;
@@ -523,41 +523,41 @@ connection_run(lua_State *T)
lengths[i] = len;
}
- n = PQsendQueryPrepared(c->conn, name, n,
+ n = PQsendQueryPrepared(d->conn, name, n,
values, lengths, NULL, 0);
free(values);
free(lengths);
if (n != 1)
- return err_connection(T, c->conn);
+ return err_connection(T, d->conn);
- c->T = T;
- c->w.cb = exec_handler;
- c->w.events = EV_READ;
- ev_io_start(LEM_ &c->w);
+ d->T = T;
+ d->w.cb = db_exec_cb;
+ d->w.events = EV_READ;
+ ev_io_start(LEM_ &d->w);
lua_settop(T, 1);
return lua_yield(T, 1);
}
static void
-put_handler(EV_P_ struct ev_io *w, int revents)
+db_put_cb(EV_P_ struct ev_io *w, int revents)
{
- struct connection *c = (struct connection *)w;
+ struct db *d = (struct db *)w;
size_t len;
const char *data;
(void)revents;
- data = lua_tolstring(c->T, 2, &len);
- switch (PQputCopyData(c->conn, data, (int)len)) {
+ data = lua_tolstring(d->T, 2, &len);
+ switch (PQputCopyData(d->conn, data, (int)len)) {
case 1: /* data sent */
lem_debug("data sent");
- ev_io_stop(EV_A_ &c->w);
+ ev_io_stop(EV_A_ &d->w);
- lua_settop(c->T, 0);
- lua_pushboolean(c->T, 1);
- lem_queue(c->T, 1);
- c->T = NULL;
+ lua_settop(d->T, 0);
+ lua_pushboolean(d->T, 1);
+ lem_queue(d->T, 1);
+ d->T = NULL;
break;
case 0: /* would block */
@@ -565,30 +565,30 @@ put_handler(EV_P_ struct ev_io *w, int revents)
break;
default: /* should be -1 for error */
- lua_settop(c->T, 0);
- lem_queue(c->T, err_connection(c->T, c->conn));
- c->T = NULL;
+ lua_settop(d->T, 0);
+ lem_queue(d->T, err_connection(d->T, d->conn));
+ d->T = NULL;
break;
}
}
static int
-connection_put(lua_State *T)
+db_put(lua_State *T)
{
- struct connection *c;
+ struct db *d;
size_t len;
const char *data;
luaL_checktype(T, 1, LUA_TUSERDATA);
data = luaL_checklstring(T, 2, &len);
- c = lua_touserdata(T, 1);
- if (c->conn == NULL)
+ d = lua_touserdata(T, 1);
+ if (d->conn == NULL)
return err_closed(T);
- if (c->T != NULL)
+ if (d->T != NULL)
return err_busy(T);
- switch (PQputCopyData(c->conn, data, (int)len)) {
+ switch (PQputCopyData(d->conn, data, (int)len)) {
case 1: /* data sent */
lem_debug("data sent");
lua_pushboolean(T, 1);
@@ -599,35 +599,35 @@ connection_put(lua_State *T)
break;
default: /* should be -1 for error */
- return err_connection(T, c->conn);
+ return err_connection(T, d->conn);
}
- c->T = T;
- c->w.cb = put_handler;
- c->w.events = EV_WRITE;
- ev_io_start(LEM_ &c->w);
+ d->T = T;
+ d->w.cb = db_put_cb;
+ d->w.events = EV_WRITE;
+ ev_io_start(LEM_ &d->w);
lua_settop(T, 2);
return lua_yield(T, 2);
}
static void
-done_handler(EV_P_ struct ev_io *w, int revents)
+db_done_cb(EV_P_ struct ev_io *w, int revents)
{
- struct connection *c = (struct connection *)w;
- const char *error = lua_tostring(c->T, 2);
+ struct db *d = (struct db *)w;
+ const char *error = lua_tostring(d->T, 2);
(void)revents;
- switch (PQputCopyEnd(c->conn, error)) {
+ switch (PQputCopyEnd(d->conn, error)) {
case 1: /* data sent */
lem_debug("data sent");
- ev_io_stop(EV_A_ &c->w);
- lua_settop(c->T, 1);
- (void)PQsetnonblocking(c->conn, 0);
- c->w.cb = exec_handler;
- c->w.events = EV_READ;
- ev_io_start(EV_A_ &c->w);
+ ev_io_stop(EV_A_ &d->w);
+ lua_settop(d->T, 1);
+ (void)PQsetnonblocking(d->conn, 0);
+ d->w.cb = db_exec_cb;
+ d->w.events = EV_READ;
+ ev_io_start(EV_A_ &d->w);
break;
case 0: /* would block */
@@ -635,52 +635,52 @@ done_handler(EV_P_ struct ev_io *w, int revents)
break;
default: /* should be -1 for error */
- ev_io_stop(EV_A_ &c->w);
- lua_settop(c->T, 0);
- lem_queue(c->T, err_connection(c->T, c->conn));
- c->T = NULL;
+ ev_io_stop(EV_A_ &d->w);
+ lua_settop(d->T, 0);
+ lem_queue(d->T, err_connection(d->T, d->conn));
+ d->T = NULL;
break;
}
}
static int
-connection_done(lua_State *T)
+db_done(lua_State *T)
{
- struct connection *c;
+ struct db *d;
const char *error;
luaL_checktype(T, 1, LUA_TUSERDATA);
error = luaL_optstring(T, 2, NULL);
- c = lua_touserdata(T, 1);
- if (c->conn == NULL)
+ d = lua_touserdata(T, 1);
+ if (d->conn == NULL)
return err_closed(T);
- if (c->T != NULL)
+ if (d->T != NULL)
return err_busy(T);
- switch (PQputCopyEnd(c->conn, error)) {
+ switch (PQputCopyEnd(d->conn, error)) {
case 1: /* data sent */
lem_debug("data sent");
- (void)PQsetnonblocking(c->conn, 0);
- c->T = T;
- c->w.cb = exec_handler;
- c->w.events = EV_READ;
- ev_io_start(LEM_ &c->w);
- lua_settop(c->T, 1);
- return lua_yield(c->T, 1);
+ (void)PQsetnonblocking(d->conn, 0);
+ d->T = T;
+ d->w.cb = db_exec_cb;
+ d->w.events = EV_READ;
+ ev_io_start(LEM_ &d->w);
+ lua_settop(d->T, 1);
+ return lua_yield(d->T, 1);
case 0: /* would block */
lem_debug("would block");
break;
default: /* should be -1 for error */
- return err_connection(T, c->conn);
+ return err_connection(T, d->conn);
}
- c->T = T;
- c->w.cb = done_handler;
- c->w.events = EV_WRITE;
- ev_io_start(LEM_ &c->w);
+ d->T = T;
+ d->w.cb = db_done_cb;
+ d->w.events = EV_WRITE;
+ ev_io_start(LEM_ &d->w);
if (error == NULL) {
lua_settop(T, 1);
@@ -691,21 +691,21 @@ connection_done(lua_State *T)
}
static void
-get_handler(EV_P_ struct ev_io *w, int revents)
+db_get_cb(EV_P_ struct ev_io *w, int revents)
{
- struct connection *c = (struct connection *)w;
+ struct db *d = (struct db *)w;
char *buf;
int ret;
- ret = PQgetCopyData(c->conn, &buf, 1);
+ ret = PQgetCopyData(d->conn, &buf, 1);
if (ret > 0) {
lem_debug("got data");
- ev_io_stop(EV_A_ &c->w);
+ ev_io_stop(EV_A_ &d->w);
- lua_pushlstring(c->T, buf, ret);
+ lua_pushlstring(d->T, buf, ret);
PQfreemem(buf);
- lem_queue(c->T, 1);
- c->T = NULL;
+ lem_queue(d->T, 1);
+ d->T = NULL;
return;
}
@@ -716,34 +716,34 @@ get_handler(EV_P_ struct ev_io *w, int revents)
case -1: /* no more data */
lem_debug("no more data");
- c->w.cb = exec_handler;
- exec_handler(EV_A_ &c->w, revents);
+ d->w.cb = db_exec_cb;
+ db_exec_cb(EV_A_ &d->w, revents);
break;
default: /* should be -2 for error */
- ev_io_stop(EV_A_ &c->w);
- lua_settop(c->T, 0);
- lem_queue(c->T, err_connection(c->T, c->conn));
- c->T = NULL;
+ ev_io_stop(EV_A_ &d->w);
+ lua_settop(d->T, 0);
+ lem_queue(d->T, err_connection(d->T, d->conn));
+ d->T = NULL;
break;
}
}
static int
-connection_get(lua_State *T)
+db_get(lua_State *T)
{
- struct connection *c;
+ struct db *d;
char *buf;
int ret;
luaL_checktype(T, 1, LUA_TUSERDATA);
- c = lua_touserdata(T, 1);
- if (c->conn == NULL)
+ d = lua_touserdata(T, 1);
+ if (d->conn == NULL)
return err_closed(T);
- if (c->T != NULL)
+ if (d->T != NULL)
return err_busy(T);
- ret = PQgetCopyData(c->conn, &buf, 1);
+ ret = PQgetCopyData(d->conn, &buf, 1);
if (ret > 0) {
lem_debug("got data");
lua_pushlstring(T, buf, ret);
@@ -754,10 +754,10 @@ connection_get(lua_State *T)
switch (ret) {
case 0: /* would block */
lem_debug("would block");
- c->T = T;
- c->w.cb = get_handler;
- c->w.events = EV_READ;
- ev_io_start(LEM_ &c->w);
+ d->T = T;
+ d->w.cb = db_get_cb;
+ d->w.events = EV_READ;
+ ev_io_start(LEM_ &d->w);
lua_settop(T, 1);
return lua_yield(T, 1);
@@ -767,19 +767,19 @@ connection_get(lua_State *T)
break;
default: /* should be -2 for error */
- return err_connection(T, c->conn);
+ return err_connection(T, d->conn);
}
- c->T = T;
- c->w.cb = exec_handler;
- c->w.events = EV_READ;
- ev_io_start(LEM_ &c->w);
+ d->T = T;
+ d->w.cb = db_exec_cb;
+ d->w.events = EV_READ;
+ ev_io_start(LEM_ &d->w);
/* TODO: it is necessary but kinda ugly to call
- * the exec_handler directly from here.
+ * the db_exec_cb directly from here.
* find a better solution... */
lua_settop(T, 1);
- exec_handler(LEM_ &c->w, 0);
+ db_exec_cb(LEM_ &d->w, 0);
return lua_yield(T, 1);
}
@@ -792,37 +792,39 @@ luaopen_lem_postgres(lua_State *L)
lua_newtable(L);
lua_pushvalue(L, -1);
lua_setfield(L, -2, "__index");
- /* mt.__gc = <connection_gc> */
- lua_pushcfunction(L, connection_gc);
+ /* mt.__gc = <db_gc> */
+ lua_pushcfunction(L, db_gc);
lua_setfield(L, -2, "__gc");
- /* mt.close = <connection_close> */
- lua_pushcfunction(L, connection_close);
+ /* mt.close = <db_close> */
+ lua_pushcfunction(L, db_close);
lua_setfield(L, -2, "close");
- /* mt.connect = <connection_connect> */
- lua_pushvalue(L, -1); /* upvalue 1: Connection */
- lua_pushcclosure(L, connection_connect, 1);
- lua_setfield(L, -3, "connect");
- /* mt.reset = <connection_reset> */
- lua_pushcfunction(L, connection_reset);
+ /* mt.reset = <db_reset> */
+ lua_pushcfunction(L, db_reset);
lua_setfield(L, -2, "reset");
- /* mt.exec = <connection_exec> */
- lua_pushcfunction(L, connection_exec);
+ /* mt.exec = <db_exec> */
+ lua_pushcfunction(L, db_exec);
lua_setfield(L, -2, "exec");
- /* mt.prepare = <connection_prepare> */
- lua_pushcfunction(L, connection_prepare);
+ /* mt.prepare = <db_prepare> */
+ lua_pushcfunction(L, db_prepare);
lua_setfield(L, -2, "prepare");
- /* mt.run = <connection_run> */
- lua_pushcfunction(L, connection_run);
+ /* mt.run = <db_run> */
+ lua_pushcfunction(L, db_run);
lua_setfield(L, -2, "run");
- /* mt.put = <connection_put> */
- lua_pushcfunction(L, connection_put);
+ /* mt.put = <db_put> */
+ lua_pushcfunction(L, db_put);
lua_setfield(L, -2, "put");
- /* mt.done = <connection_done> */
- lua_pushcfunction(L, connection_done);
+ /* mt.done = <db_done> */
+ lua_pushcfunction(L, db_done);
lua_setfield(L, -2, "done");
- /* mt.get = <connection_get> */
- lua_pushcfunction(L, connection_get);
+ /* mt.get = <db_get> */
+ lua_pushcfunction(L, db_get);
lua_setfield(L, -2, "get");
+
+ /* connect = <postgres_connect> */
+ lua_pushvalue(L, -1); /* upvalue 1: Connection */
+ lua_pushcclosure(L, postgres_connect, 1);
+ lua_setfield(L, -3, "connect");
+
/* set Connection */
lua_setfield(L, -2, "Connection");
generated by cgit v1.2.1 (git 2.18.0) at 2024-11-22 21:55:59 +0000