From 0dd5f2915a9c01992c18f6c983c082199be7c771 Mon Sep 17 00:00:00 2001 From: Max Kellermann Date: Tue, 15 Jan 2013 22:50:49 +0100 Subject: ServerSocket: use the SocketMonitor class --- src/Listen.cxx | 4 ++- src/Main.cxx | 6 ++-- src/ServerSocket.cxx | 78 +++++++++++++++------------------------- src/ServerSocket.hxx | 4 ++- src/output/HttpdOutputPlugin.cxx | 4 ++- 5 files changed, 40 insertions(+), 56 deletions(-) (limited to 'src') diff --git a/src/Listen.cxx b/src/Listen.cxx index 6b298769a..7bc10dc18 100644 --- a/src/Listen.cxx +++ b/src/Listen.cxx @@ -92,13 +92,15 @@ listen_systemd_activation(GError **error_r) bool listen_global_init(GError **error_r) { + assert(main_loop != nullptr); + int port = config_get_positive(CONF_PORT, DEFAULT_PORT); const struct config_param *param = config_get_next_param(CONF_BIND_TO_ADDRESS, NULL); bool success; GError *error = NULL; - listen_socket = server_socket_new(listen_callback, NULL); + listen_socket = server_socket_new(*main_loop, listen_callback, NULL); if (listen_systemd_activation(&error)) return true; diff --git a/src/Main.cxx b/src/Main.cxx index e0083bff7..917d89457 100644 --- a/src/Main.cxx +++ b/src/Main.cxx @@ -398,6 +398,9 @@ int mpd_main(int argc, char *argv[]) return EXIT_FAILURE; } + main_task = g_thread_self(); + main_loop = new EventLoop(EventLoop::Default()); + success = listen_global_init(&error); if (!success) { g_warning("%s", error->message); @@ -407,9 +410,6 @@ int mpd_main(int argc, char *argv[]) daemonize_set_user(); - main_task = g_thread_self(); - main_loop = new EventLoop(EventLoop::Default()); - GlobalEvents::Initialize(); GlobalEvents::Register(GlobalEvents::IDLE, idle_event_emitted); GlobalEvents::Register(GlobalEvents::SHUTDOWN, shutdown_event_emitted); diff --git a/src/ServerSocket.cxx b/src/ServerSocket.cxx index 3a709e140..7f14168a8 100644 --- a/src/ServerSocket.cxx +++ b/src/ServerSocket.cxx @@ -26,9 +26,9 @@ #include "ServerSocket.hxx" #include "SocketUtil.hxx" #include "SocketError.hxx" +#include "event/SocketMonitor.hxx" #include "resolver.h" #include "fd_util.h" -#include "glib_socket.h" #include @@ -55,24 +55,22 @@ #define DEFAULT_PORT 6600 -struct OneServerSocket { +struct OneServerSocket final : private SocketMonitor { const server_socket &parent; const unsigned serial; - int fd; - guint source_id; - char *path; size_t address_length; struct sockaddr *address; - OneServerSocket(const server_socket &_parent, unsigned _serial, + OneServerSocket(EventLoop &_loop, const server_socket &_parent, + unsigned _serial, const struct sockaddr *_address, size_t _address_length) - :parent(_parent), serial(_serial), - fd(-1), + :SocketMonitor(_loop), + parent(_parent), serial(_serial), path(nullptr), address_length(_address_length), address((sockaddr *)g_memdup(_address, _address_length)) @@ -85,23 +83,30 @@ struct OneServerSocket { OneServerSocket &operator=(const OneServerSocket &other) = delete; ~OneServerSocket() { - Close(); g_free(path); g_free(address); } bool Open(GError **error_r); - void Close(); + using SocketMonitor::Close; char *ToString() const; - void SetFD(int fd); + void SetFD(int _fd) { + SocketMonitor::Open(_fd); + SocketMonitor::ScheduleRead(); + } void Accept(); + +private: + virtual void OnSocketReady(unsigned flags) override; }; struct server_socket { + EventLoop &loop; + server_socket_callback_t callback; void *callback_ctx; @@ -109,8 +114,10 @@ struct server_socket { unsigned next_serial; - server_socket(server_socket_callback_t _callback, void *_callback_ctx) - :callback(_callback), callback_ctx(_callback_ctx), + server_socket(EventLoop &_loop, + server_socket_callback_t _callback, void *_callback_ctx) + :loop(_loop), + callback(_callback), callback_ctx(_callback_ctx), next_serial(1) {} void Close(); @@ -123,9 +130,10 @@ server_socket_quark(void) } struct server_socket * -server_socket_new(server_socket_callback_t callback, void *callback_ctx) +server_socket_new(EventLoop &loop, + server_socket_callback_t callback, void *callback_ctx) { - return new server_socket(callback, callback_ctx); + return new server_socket(loop, callback, callback_ctx); } void @@ -177,7 +185,7 @@ OneServerSocket::Accept() struct sockaddr_storage peer_address; size_t peer_address_length = sizeof(peer_address); int peer_fd = - accept_cloexec_nonblock(fd, (struct sockaddr*)&peer_address, + accept_cloexec_nonblock(Get(), (struct sockaddr*)&peer_address, &peer_address_length); if (peer_fd < 0) { const SocketErrorMessage msg; @@ -197,35 +205,16 @@ OneServerSocket::Accept() parent.callback_ctx); } -static gboolean -server_socket_in_event(G_GNUC_UNUSED GIOChannel *source, - G_GNUC_UNUSED GIOCondition condition, - gpointer data) -{ - OneServerSocket &s = *(OneServerSocket *)data; - - s.Accept(); - return true; -} - void -OneServerSocket::SetFD(int _fd) +OneServerSocket::OnSocketReady(gcc_unused unsigned flags) { - assert(fd < 0); - assert(_fd >= 0); - - fd = _fd; - - GIOChannel *channel = g_io_channel_new_socket(fd); - source_id = g_io_add_watch(channel, G_IO_IN, - server_socket_in_event, this); - g_io_channel_unref(channel); + Accept(); } inline bool OneServerSocket::Open(GError **error_r) { - assert(fd < 0); + assert(!IsDefined()); int _fd = socket_bind_listen(address->sa_family, SOCK_STREAM, 0, @@ -309,17 +298,6 @@ server_socket_open(struct server_socket *ss, GError **error_r) return true; } -void -OneServerSocket::Close() -{ - if (fd < 0) - return; - - g_source_remove(source_id); - close_socket(fd); - fd = -1; -} - void server_socket::Close() { @@ -340,7 +318,7 @@ server_socket_add_address(struct server_socket *ss, { assert(ss != nullptr); - ss->sockets.emplace_front(*ss, ss->next_serial, + ss->sockets.emplace_front(ss->loop, *ss, ss->next_serial, address, address_length); return ss->sockets.front(); diff --git a/src/ServerSocket.hxx b/src/ServerSocket.hxx index f09fd7e9e..eea4b0851 100644 --- a/src/ServerSocket.hxx +++ b/src/ServerSocket.hxx @@ -25,6 +25,7 @@ #include struct sockaddr; +class EventLoop; typedef void (*server_socket_callback_t)(int fd, const struct sockaddr *address, @@ -32,7 +33,8 @@ typedef void (*server_socket_callback_t)(int fd, void *ctx); struct server_socket * -server_socket_new(server_socket_callback_t callback, void *callback_ctx); +server_socket_new(EventLoop &loop, + server_socket_callback_t callback, void *callback_ctx); void server_socket_free(struct server_socket *ss); diff --git a/src/output/HttpdOutputPlugin.cxx b/src/output/HttpdOutputPlugin.cxx index 075e0ea5e..d1a1a36df 100644 --- a/src/output/HttpdOutputPlugin.cxx +++ b/src/output/HttpdOutputPlugin.cxx @@ -29,6 +29,7 @@ #include "icy_server.h" #include "fd_util.h" #include "ServerSocket.hxx" +#include "Main.hxx" #include @@ -134,7 +135,8 @@ httpd_output_init(const struct config_param *param, /* set up bind_to_address */ - httpd->server_socket = server_socket_new(httpd_listen_in_event, httpd); + httpd->server_socket = server_socket_new(*main_loop, + httpd_listen_in_event, httpd); const char *bind_to_address = config_get_block_string(param, "bind_to_address", NULL); -- cgit v1.2.3