X-Git-Url: https://gitweb.ps.run/chirp/blobdiff_plain/8ce4f0b76cab1963cd0a8ad55bf5b30b9eae917f..7d44a5163fd261dcb08282e15da9666e00a4f4b0:/src/epoll.zig diff --git a/src/epoll.zig b/src/epoll.zig deleted file mode 100644 index afca339..0000000 --- a/src/epoll.zig +++ /dev/null @@ -1,80 +0,0 @@ -const std = @import("std"); -const net = std.net; -const posix = std.posix; -const linux = std.os.linux; -const lmdb = @import("lmdb"); - -fn test_lmdb(env: *lmdb.Env) !void { - const txn = try env.txn(); - defer txn.abort(); - - const sessions = try txn.dbi("sessions", u64, u64); - var cursor = try sessions.cursor(); - - var key: u64 = undefined; - var user_id_maybe = cursor.get(&key, .First); - - while (user_id_maybe) |user_id| { - _ = user_id; - user_id_maybe = cursor.get(&key, .Next); - } -} - -pub fn main() !void { - const address = try std.net.Address.parseIp("127.0.0.1", 5882); - - const tpe: u32 = posix.SOCK.STREAM | posix.SOCK.NONBLOCK; - const protocol = posix.IPPROTO.TCP; - const listener = try posix.socket(address.any.family, tpe, protocol); - defer posix.close(listener); - - const BACKLOG = 256; - - try posix.setsockopt(listener, posix.SOL.SOCKET, posix.SO.REUSEADDR, &std.mem.toBytes(@as(c_int, 1))); - try posix.bind(listener, &address.any, address.getOsSockLen()); - try posix.listen(listener, BACKLOG); - - // epoll_create1 takes flags. We aren't using any in these examples - const efd = try posix.epoll_create1(0); - defer posix.close(efd); - - { - // monitor our listening socket - var event = linux.epoll_event{ .events = linux.EPOLL.IN, .data = .{ .fd = listener } }; - try posix.epoll_ctl(efd, linux.EPOLL.CTL_ADD, listener, &event); - } - - var env = lmdb.Env.open("db", 1024 * 100); - defer env.close(); - - var ready_list: [BACKLOG]linux.epoll_event = undefined; - while (true) { - const ready_count = posix.epoll_wait(efd, &ready_list, -1); - for (ready_list[0..ready_count]) |ready| { - const ready_socket = ready.data.fd; - if (ready_socket == listener) { - const client_socket = try posix.accept(listener, null, null, posix.SOCK.NONBLOCK); - errdefer posix.close(client_socket); - var event = linux.epoll_event{ .events = linux.EPOLL.IN, .data = .{ .fd = client_socket } }; - try posix.epoll_ctl(efd, linux.EPOLL.CTL_ADD, client_socket, &event); - } else { - var closed = false; - var buf: [4096]u8 = undefined; - const read = posix.read(ready_socket, &buf) catch 0; - if (read == 0) { - closed = true; - } else { - // std.debug.print("[{d}] got: {s}\n", .{ ready_socket, buf[0..read] }); - - try test_lmdb(&env); - - _ = try posix.write(ready_socket, "HTTP/1.1 200 OK\r\nContent-Type: text/html; charset=UTF-8\r\nContent-Length: 5\r\n\r\nabcde"); - } - - if (closed or ready.events & linux.EPOLL.RDHUP == linux.EPOLL.RDHUP) { - posix.close(ready_socket); - } - } - } - } -}