tcp_connect: generic library for establishing TCP connections

1 files changed, 165 insertions, 0 deletions

diff --git a/test/run_tcp_connect.c b/test/run_tcp_connect.c
new file mode 100644
index 000000000..aa8fb05f5
--- /dev/null
+++ b/test/run_tcp_connect.c
@@ -0,0 +1,165 @@
+/*
+ * Copyright (C) 2003-2011 The Music Player Daemon Project
+ * http://www.musicpd.org
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#include "config.h"
+#include "resolver.h"
+#include "io_thread.h"
+#include "tcp_connect.h"
+#include "fd_util.h"
+
+#include <assert.h>
+#include <stdlib.h>
+
+#ifdef WIN32
+#define WINVER 0x0501
+#include <ws2tcpip.h>
+#include <winsock.h>
+#else
+#include <sys/socket.h>
+#include <netdb.h>
+#endif
+
+static struct tcp_connect *handle;
+static GMutex *mutex;
+static GCond *cond;
+static bool done, success;
+
+static void
+my_tcp_connect_success(int fd, G_GNUC_UNUSED void *ctx)
+{
+	assert(!done);
+	assert(!success);
+
+	close_socket(fd);
+	g_print("success\n");
+
+	g_mutex_lock(mutex);
+	done = success = true;
+	g_cond_signal(cond);
+	g_mutex_unlock(mutex);
+}
+
+static void
+my_tcp_connect_error(GError *error, G_GNUC_UNUSED void *ctx)
+{
+	assert(!done);
+	assert(!success);
+
+	g_printerr("error: %s\n", error->message);
+	g_error_free(error);
+
+	g_mutex_lock(mutex);
+	done = true;
+	g_cond_signal(cond);
+	g_mutex_unlock(mutex);
+}
+
+static void
+my_tcp_connect_timeout(G_GNUC_UNUSED void *ctx)
+{
+	assert(!done);
+	assert(!success);
+
+	g_printerr("timeout\n");
+
+	g_mutex_lock(mutex);
+	done = true;
+	g_cond_signal(cond);
+	g_mutex_unlock(mutex);
+}
+
+static void
+my_tcp_connect_canceled(G_GNUC_UNUSED void *ctx)
+{
+	assert(!done);
+	assert(!success);
+
+	g_printerr("canceled\n");
+
+	g_mutex_lock(mutex);
+	done = true;
+	g_cond_signal(cond);
+	g_mutex_unlock(mutex);
+}
+
+static const struct tcp_connect_handler my_tcp_connect_handler = {
+	.success = my_tcp_connect_success,
+	.error = my_tcp_connect_error,
+	.timeout = my_tcp_connect_timeout,
+	.canceled = my_tcp_connect_canceled,
+};
+
+int main(int argc, char **argv)
+{
+	if (argc != 2) {
+		g_printerr("Usage: run_tcp_connect IP:PORT\n");
+		return 1;
+	}
+
+	GError *error = NULL;
+	struct addrinfo *ai = resolve_host_port(argv[1], 80, 0, SOCK_STREAM,
+						&error);
+	if (ai == NULL) {
+		g_printerr("%s\n", error->message);
+		g_error_free(error);
+		return EXIT_FAILURE;
+	}
+
+	/* initialize GLib */
+
+	g_thread_init(NULL);
+
+	/* initialize MPD */
+
+	io_thread_init();
+	if (!io_thread_start(&error)) {
+		freeaddrinfo(ai);
+		g_printerr("%s", error->message);
+		g_error_free(error);
+		return EXIT_FAILURE;
+	}
+
+	/* open the connection */
+
+	mutex = g_mutex_new();
+	cond = g_cond_new();
+
+	tcp_connect_address(ai->ai_addr, ai->ai_addrlen, 5000,
+			    &my_tcp_connect_handler, NULL,
+			    &handle);
+	freeaddrinfo(ai);
+
+	if (handle != NULL) {
+		g_mutex_lock(mutex);
+		while (!done)
+			g_cond_wait(cond, mutex);
+		g_mutex_unlock(mutex);
+
+		tcp_connect_free(handle);
+	}
+
+	g_cond_free(cond);
+	g_mutex_free(mutex);
+
+	/* deinitialize everything */
+
+	io_thread_deinit();
+
+	return EXIT_SUCCESS;
+}