aboutsummaryrefslogtreecommitdiffstats
path: root/src
diff options
context:
space:
mode:
authorMax Kellermann <max@duempel.org>2013-01-30 12:56:23 +0100
committerMax Kellermann <max@duempel.org>2013-01-30 13:40:56 +0100
commitad5eb2f8d6f32c69603e658e14d813d71ba5b220 (patch)
tree89ff752ba4d73677c45ffbcdb4f4d19d4c7123a6 /src
parent39d56d6b65dd8441afb39eb60553e25e768bbe7f (diff)
downloadmpd-ad5eb2f8d6f32c69603e658e14d813d71ba5b220.tar.gz
mpd-ad5eb2f8d6f32c69603e658e14d813d71ba5b220.tar.xz
mpd-ad5eb2f8d6f32c69603e658e14d813d71ba5b220.zip
ServerSocket: expose the class
Eliminate the C wrappers.
Diffstat (limited to '')
-rw-r--r--src/Listen.cxx24
-rw-r--r--src/event/ServerSocket.cxx162
-rw-r--r--src/event/ServerSocket.hxx125
-rw-r--r--src/output/HttpdInternal.hxx3
-rw-r--r--src/output/HttpdOutputPlugin.cxx15
5 files changed, 155 insertions, 174 deletions
diff --git a/src/Listen.cxx b/src/Listen.cxx
index f1d6e4fec..e56a0ead2 100644
--- a/src/Listen.cxx
+++ b/src/Listen.cxx
@@ -36,7 +36,7 @@
#define DEFAULT_PORT 6600
-static struct server_socket *listen_socket;
+static ServerSocket *listen_socket;
int listen_port;
static void
@@ -55,13 +55,11 @@ listen_add_config_param(unsigned int port,
assert(param != NULL);
if (0 == strcmp(param->value, "any")) {
- return server_socket_add_port(listen_socket, port, error_r);
+ return listen_socket->AddPort(port, error_r);
} else if (param->value[0] == '/') {
- return server_socket_add_path(listen_socket, param->value,
- error_r);
+ return listen_socket->AddPath(param->value, error_r);
} else {
- return server_socket_add_host(listen_socket, param->value,
- port, error_r);
+ return listen_socket->AddHost(param->value, port, error_r);
}
}
@@ -79,7 +77,7 @@ listen_systemd_activation(GError **error_r)
for (int i = SD_LISTEN_FDS_START, end = SD_LISTEN_FDS_START + n;
i != end; ++i)
- if (!server_socket_add_fd(listen_socket, i, error_r))
+ if (!listen_socket->AddFD(i, error_r))
return false;
return true;
@@ -100,7 +98,7 @@ listen_global_init(GError **error_r)
bool success;
GError *error = NULL;
- listen_socket = server_socket_new(*main_loop, listen_callback, NULL);
+ listen_socket = new ServerSocket(*main_loop, listen_callback, nullptr);
if (listen_systemd_activation(&error))
return true;
@@ -117,6 +115,7 @@ listen_global_init(GError **error_r)
do {
success = listen_add_config_param(port, param, &error);
if (!success) {
+ delete listen_socket;
g_propagate_prefixed_error(error_r, error,
"Failed to listen on %s (line %i): ",
param->value, param->line);
@@ -130,8 +129,9 @@ listen_global_init(GError **error_r)
/* no "bind_to_address" configured, bind the
configured port on all interfaces */
- success = server_socket_add_port(listen_socket, port, error_r);
+ success = listen_socket->AddPort(port, error_r);
if (!success) {
+ delete listen_socket;
g_propagate_prefixed_error(error_r, error,
"Failed to listen on *:%d: ",
port);
@@ -139,8 +139,10 @@ listen_global_init(GError **error_r)
}
}
- if (!server_socket_open(listen_socket, error_r))
+ if (!listen_socket->Open(error_r)) {
+ delete listen_socket;
return false;
+ }
listen_port = port;
return true;
@@ -152,5 +154,5 @@ void listen_global_finish(void)
assert(listen_socket != NULL);
- server_socket_free(listen_socket);
+ delete listen_socket;
}
diff --git a/src/event/ServerSocket.cxx b/src/event/ServerSocket.cxx
index a1e2ee01e..ea2f07e38 100644
--- a/src/event/ServerSocket.cxx
+++ b/src/event/ServerSocket.cxx
@@ -30,8 +30,6 @@
#include "resolver.h"
#include "fd_util.h"
-#include <forward_list>
-
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
@@ -55,8 +53,8 @@
#define DEFAULT_PORT 6600
-struct OneServerSocket final : private SocketMonitor {
- const server_socket &parent;
+class OneServerSocket final : private SocketMonitor {
+ const ServerSocket &parent;
const unsigned serial;
@@ -65,7 +63,8 @@ struct OneServerSocket final : private SocketMonitor {
size_t address_length;
struct sockaddr *address;
- OneServerSocket(EventLoop &_loop, const server_socket &_parent,
+public:
+ OneServerSocket(EventLoop &_loop, const ServerSocket &_parent,
unsigned _serial,
const struct sockaddr *_address,
size_t _address_length)
@@ -87,6 +86,16 @@ struct OneServerSocket final : private SocketMonitor {
g_free(address);
}
+ unsigned GetSerial() const {
+ return serial;
+ }
+
+ void SetPath(const char *_path) {
+ assert(path == nullptr);
+
+ path = g_strdup(_path);
+ }
+
bool Open(GError **error_r);
using SocketMonitor::Close;
@@ -104,44 +113,12 @@ private:
virtual bool OnSocketReady(unsigned flags) override;
};
-struct server_socket {
- EventLoop &loop;
-
- server_socket_callback_t callback;
- void *callback_ctx;
-
- std::forward_list<OneServerSocket> sockets;
-
- unsigned next_serial;
-
- 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();
-};
-
static GQuark
server_socket_quark(void)
{
return g_quark_from_static_string("server_socket");
}
-struct server_socket *
-server_socket_new(EventLoop &loop,
- server_socket_callback_t callback, void *callback_ctx)
-{
- return new server_socket(loop, callback, callback_ctx);
-}
-
-void
-server_socket_free(struct server_socket *ss)
-{
- delete ss;
-}
-
/**
* Wraper for sockaddr_to_string() which never fails.
*/
@@ -236,25 +213,36 @@ OneServerSocket::Open(GError **error_r)
return true;
}
+ServerSocket::ServerSocket(EventLoop &_loop,
+ server_socket_callback_t _callback,
+ void *_callback_ctx)
+ :loop(_loop),
+ callback(_callback), callback_ctx(_callback_ctx),
+ next_serial(1) {}
+
+/* this is just here to allow the OneServerSocket forward
+ declaration */
+ServerSocket::~ServerSocket() {}
+
bool
-server_socket_open(struct server_socket *ss, GError **error_r)
+ServerSocket::Open(GError **error_r)
{
- struct OneServerSocket *good = nullptr, *bad = nullptr;
+ OneServerSocket *good = nullptr, *bad = nullptr;
GError *last_error = nullptr;
- for (auto &i : ss->sockets) {
- assert(i.serial > 0);
- assert(good == nullptr || i.serial <= good->serial);
+ for (auto &i : sockets) {
+ assert(i.GetSerial() > 0);
+ assert(good == nullptr || i.GetSerial() <= good->GetSerial());
- if (bad != nullptr && i.serial != bad->serial) {
- server_socket_close(ss);
+ if (bad != nullptr && i.GetSerial() != bad->GetSerial()) {
+ Close();
g_propagate_error(error_r, last_error);
return false;
}
GError *error = nullptr;
if (!i.Open(&error)) {
- if (good != nullptr && good->serial == i.serial) {
+ if (good != nullptr && good->GetSerial() == i.GetSerial()) {
char *address_string = i.ToString();
char *good_string = good->ToString();
g_warning("bind to '%s' failed: %s "
@@ -291,7 +279,7 @@ server_socket_open(struct server_socket *ss, GError **error_r)
}
if (bad != nullptr) {
- server_socket_close(ss);
+ Close();
g_propagate_error(error_r, last_error);
return false;
}
@@ -300,35 +288,24 @@ server_socket_open(struct server_socket *ss, GError **error_r)
}
void
-server_socket::Close()
+ServerSocket::Close()
{
for (auto &i : sockets)
i.Close();
}
-void
-server_socket_close(struct server_socket *ss)
+OneServerSocket &
+ServerSocket::AddAddress(const sockaddr &address, size_t address_length)
{
- ss->Close();
-}
-
-static OneServerSocket &
-server_socket_add_address(struct server_socket *ss,
- const struct sockaddr *address,
- size_t address_length)
-{
- assert(ss != nullptr);
-
- ss->sockets.emplace_front(ss->loop, *ss, ss->next_serial,
- address, address_length);
+ sockets.emplace_front(loop, *this, next_serial,
+ &address, address_length);
- return ss->sockets.front();
+ return sockets.front();
}
bool
-server_socket_add_fd(struct server_socket *ss, int fd, GError **error_r)
+ServerSocket::AddFD(int fd, GError **error_r)
{
- assert(ss != nullptr);
assert(fd >= 0);
struct sockaddr_storage address;
@@ -340,9 +317,8 @@ server_socket_add_fd(struct server_socket *ss, int fd, GError **error_r)
return false;
}
- OneServerSocket &s =
- server_socket_add_address(ss, (struct sockaddr *)&address,
- address_length);
+ OneServerSocket &s = AddAddress((const sockaddr &)address,
+ address_length);
s.SetFD(fd);
return true;
@@ -350,13 +326,8 @@ server_socket_add_fd(struct server_socket *ss, int fd, GError **error_r)
#ifdef HAVE_TCP
-/**
- * Add a listener on a port on all IPv4 interfaces.
- *
- * @param port the TCP port
- */
-static void
-server_socket_add_port_ipv4(struct server_socket *ss, unsigned port)
+inline void
+ServerSocket::AddPortIPv4(unsigned port)
{
struct sockaddr_in sin;
memset(&sin, 0, sizeof(sin));
@@ -364,34 +335,26 @@ server_socket_add_port_ipv4(struct server_socket *ss, unsigned port)
sin.sin_family = AF_INET;
sin.sin_addr.s_addr = INADDR_ANY;
- server_socket_add_address(ss, (const struct sockaddr *)&sin,
- sizeof(sin));
+ AddAddress((const sockaddr &)sin, sizeof(sin));
}
#ifdef HAVE_IPV6
-/**
- * Add a listener on a port on all IPv6 interfaces.
- *
- * @param port the TCP port
- */
-static void
-server_socket_add_port_ipv6(struct server_socket *ss, unsigned port)
+inline void
+ServerSocket::AddPortIPv6(unsigned port)
{
struct sockaddr_in6 sin;
memset(&sin, 0, sizeof(sin));
sin.sin6_port = htons(port);
sin.sin6_family = AF_INET6;
- server_socket_add_address(ss, (const struct sockaddr *)&sin,
- sizeof(sin));
+ AddAddress((const sockaddr &)sin, sizeof(sin));
}
#endif /* HAVE_IPV6 */
#endif /* HAVE_TCP */
bool
-server_socket_add_port(struct server_socket *ss, unsigned port,
- GError **error_r)
+ServerSocket::AddPort(unsigned port, GError **error_r)
{
#ifdef HAVE_TCP
if (port == 0 || port > 0xffff) {
@@ -401,15 +364,14 @@ server_socket_add_port(struct server_socket *ss, unsigned port,
}
#ifdef HAVE_IPV6
- server_socket_add_port_ipv6(ss, port);
+ AddPortIPv6(port);
#endif
- server_socket_add_port_ipv4(ss, port);
+ AddPortIPv4(port);
- ++ss->next_serial;
+ ++next_serial;
return true;
#else /* HAVE_TCP */
- (void)ss;
(void)port;
g_set_error(error_r, server_socket_quark(), 0,
@@ -419,8 +381,7 @@ server_socket_add_port(struct server_socket *ss, unsigned port,
}
bool
-server_socket_add_host(struct server_socket *ss, const char *hostname,
- unsigned port, GError **error_r)
+ServerSocket::AddHost(const char *hostname, unsigned port, GError **error_r)
{
#ifdef HAVE_TCP
struct addrinfo *ai = resolve_host_port(hostname, port,
@@ -430,15 +391,14 @@ server_socket_add_host(struct server_socket *ss, const char *hostname,
return false;
for (const struct addrinfo *i = ai; i != nullptr; i = i->ai_next)
- server_socket_add_address(ss, i->ai_addr, i->ai_addrlen);
+ AddAddress(*i->ai_addr, i->ai_addrlen);
freeaddrinfo(ai);
- ++ss->next_serial;
+ ++next_serial;
return true;
#else /* HAVE_TCP */
- (void)ss;
(void)hostname;
(void)port;
@@ -449,8 +409,7 @@ server_socket_add_host(struct server_socket *ss, const char *hostname,
}
bool
-server_socket_add_path(struct server_socket *ss, const char *path,
- GError **error_r)
+ServerSocket::AddPath(const char *path, GError **error_r)
{
#ifdef HAVE_UN
struct sockaddr_un s_un;
@@ -467,14 +426,11 @@ server_socket_add_path(struct server_socket *ss, const char *path,
s_un.sun_family = AF_UNIX;
memcpy(s_un.sun_path, path, path_length + 1);
- OneServerSocket &s =
- server_socket_add_address(ss, (const struct sockaddr *)&s_un,
- sizeof(s_un));
- s.path = g_strdup(path);
+ OneServerSocket &s = AddAddress((const sockaddr &)s_un, sizeof(s_un));
+ s.SetPath(path);
return true;
#else /* !HAVE_UN */
- (void)ss;
(void)path;
g_set_error(error_r, server_socket_quark(), 0,
diff --git a/src/event/ServerSocket.hxx b/src/event/ServerSocket.hxx
index eea4b0851..bfa4d3f3b 100644
--- a/src/event/ServerSocket.hxx
+++ b/src/event/ServerSocket.hxx
@@ -22,6 +22,8 @@
#include "gerror.h"
+#include <forward_list>
+
#include <stddef.h>
struct sockaddr;
@@ -32,63 +34,84 @@ typedef void (*server_socket_callback_t)(int fd,
size_t address_length, int uid,
void *ctx);
-struct server_socket *
-server_socket_new(EventLoop &loop,
- server_socket_callback_t callback, void *callback_ctx);
+class OneServerSocket;
-void
-server_socket_free(struct server_socket *ss);
+class ServerSocket {
+ friend class OneServerSocket;
-bool
-server_socket_open(struct server_socket *ss, GError **error_r);
+ EventLoop &loop;
-void
-server_socket_close(struct server_socket *ss);
+ server_socket_callback_t callback;
+ void *callback_ctx;
-/**
- * Add a socket descriptor that is accepting connections. After this
- * has been called, don't call server_socket_open(), because the
- * socket is already open.
- */
-bool
-server_socket_add_fd(struct server_socket *ss, int fd, GError **error_r);
+ std::forward_list<OneServerSocket> sockets;
-/**
- * Add a listener on a port on all interfaces.
- *
- * @param port the TCP port
- * @param error_r location to store the error occurring, or NULL to
- * ignore errors
- * @return true on success
- */
-bool
-server_socket_add_port(struct server_socket *ss, unsigned port,
- GError **error_r);
+ unsigned next_serial;
-/**
- * Resolves a host name, and adds listeners on all addresses in the
- * result set.
- *
- * @param hostname the host name to be resolved
- * @param port the TCP port
- * @param error_r location to store the error occurring, or NULL to
- * ignore errors
- * @return true on success
- */
-bool
-server_socket_add_host(struct server_socket *ss, const char *hostname,
- unsigned port, GError **error_r);
+public:
+ ServerSocket(EventLoop &_loop,
+ server_socket_callback_t _callback, void *_callback_ctx);
+ ~ServerSocket();
-/**
- * Add a listener on a Unix domain socket.
- *
- * @param path the absolute socket path
- * @param error_r location to store the error occurring, or NULL to
- * ignore errors
- * @return true on success
- */
-bool
-server_socket_add_path(struct server_socket *ss, const char *path,
- GError **error_r);
+private:
+ OneServerSocket &AddAddress(const sockaddr &address, size_t length);
+
+ /**
+ * Add a listener on a port on all IPv4 interfaces.
+ *
+ * @param port the TCP port
+ */
+ void AddPortIPv4(unsigned port);
+
+ /**
+ * Add a listener on a port on all IPv6 interfaces.
+ *
+ * @param port the TCP port
+ */
+ void AddPortIPv6(unsigned port);
+
+public:
+ /**
+ * Add a listener on a port on all interfaces.
+ *
+ * @param port the TCP port
+ * @param error_r location to store the error occurring, or NULL to
+ * ignore errors
+ * @return true on success
+ */
+ bool AddPort(unsigned port, GError **error_r);
+
+ /**
+ * Resolves a host name, and adds listeners on all addresses in the
+ * result set.
+ *
+ * @param hostname the host name to be resolved
+ * @param port the TCP port
+ * @param error_r location to store the error occurring, or NULL to
+ * ignore errors
+ * @return true on success
+ */
+ bool AddHost(const char *hostname, unsigned port, GError **error_r);
+
+ /**
+ * Add a listener on a Unix domain socket.
+ *
+ * @param path the absolute socket path
+ * @param error_r location to store the error occurring, or NULL to
+ * ignore errors
+ * @return true on success
+ */
+ bool AddPath(const char *path, GError **error_r);
+
+ /**
+ * Add a socket descriptor that is accepting connections. After this
+ * has been called, don't call server_socket_open(), because the
+ * socket is already open.
+ */
+ bool AddFD(int fd, GError **error_r);
+
+ bool Open(GError **error_r);
+ void Close();
+};
#endif
diff --git a/src/output/HttpdInternal.hxx b/src/output/HttpdInternal.hxx
index 702f4ad3d..5c5abd0d5 100644
--- a/src/output/HttpdInternal.hxx
+++ b/src/output/HttpdInternal.hxx
@@ -36,6 +36,7 @@
#include <stdbool.h>
+class ServerSocket;
class HttpdClient;
struct HttpdOutput {
@@ -80,7 +81,7 @@ struct HttpdOutput {
/**
* The listener socket.
*/
- struct server_socket *server_socket;
+ ServerSocket *server_socket;
/**
* The header page, which is sent to every client on connect.
diff --git a/src/output/HttpdOutputPlugin.cxx b/src/output/HttpdOutputPlugin.cxx
index 871047a5f..f9a40a4e1 100644
--- a/src/output/HttpdOutputPlugin.cxx
+++ b/src/output/HttpdOutputPlugin.cxx
@@ -64,7 +64,7 @@ HttpdOutput::Bind(GError **error_r)
open = false;
const ScopeLock protect(mutex);
- return server_socket_open(server_socket, error_r);
+ return server_socket->Open(error_r);
}
inline void
@@ -73,7 +73,7 @@ HttpdOutput::Unbind()
assert(!open);
const ScopeLock protect(mutex);
- server_socket_close(server_socket);
+ server_socket->Close();
}
static struct audio_output *
@@ -112,16 +112,15 @@ httpd_output_init(const struct config_param *param,
/* set up bind_to_address */
- httpd->server_socket = server_socket_new(*main_loop,
- httpd_listen_in_event, httpd);
+ httpd->server_socket = new ServerSocket(*main_loop,
+ httpd_listen_in_event, httpd);
const char *bind_to_address =
config_get_block_string(param, "bind_to_address", NULL);
bool success = bind_to_address != NULL &&
strcmp(bind_to_address, "any") != 0
- ? server_socket_add_host(httpd->server_socket, bind_to_address,
- port, error)
- : server_socket_add_port(httpd->server_socket, port, error);
+ ? httpd->server_socket->AddHost(bind_to_address, port, error)
+ : httpd->server_socket->AddPort(port, error);
if (!success) {
ao_base_finish(&httpd->base);
g_free(httpd);
@@ -159,7 +158,7 @@ httpd_output_finish(struct audio_output *ao)
httpd->metadata->Unref();
encoder_finish(httpd->encoder);
- server_socket_free(httpd->server_socket);
+ delete httpd->server_socket;
ao_base_finish(&httpd->base);
delete httpd;
}