glib/gio/tests/socket-server.c

355 lines
8.1 KiB
C

#include <gio/gio.h>
#include <gio/gunixsocketaddress.h>
#include <glib.h>
#include <stdlib.h>
#include <string.h>
#include "socket-common.c"
GMainLoop *loop;
int port = 7777;
gboolean verbose = FALSE;
gboolean dont_reuse_address = FALSE;
gboolean non_blocking = FALSE;
gboolean use_udp = FALSE;
gboolean use_source = FALSE;
int cancel_timeout = 0;
int read_timeout = 0;
int delay = 0;
gboolean unix_socket = FALSE;
static GOptionEntry cmd_entries[] = {
{"port", 'p', 0, G_OPTION_ARG_INT, &port,
"Local port to bind to", NULL},
{"cancel", 'c', 0, G_OPTION_ARG_INT, &cancel_timeout,
"Cancel any op after the specified amount of seconds", NULL},
{"udp", 'u', 0, G_OPTION_ARG_NONE, &use_udp,
"Use udp instead of tcp", NULL},
{"verbose", 'v', 0, G_OPTION_ARG_NONE, &verbose,
"Be verbose", NULL},
{"no-reuse", 0, 0, G_OPTION_ARG_NONE, &dont_reuse_address,
"Don't SOADDRREUSE", NULL},
{"non-blocking", 'n', 0, G_OPTION_ARG_NONE, &non_blocking,
"Enable non-blocking i/o", NULL},
{"use-source", 's', 0, G_OPTION_ARG_NONE, &use_source,
"Use GSource to wait for non-blocking i/o", NULL},
#ifdef G_OS_UNIX
{"unix", 'U', 0, G_OPTION_ARG_NONE, &unix_socket,
"Use a unix socket instead of IP", NULL},
#endif
{"delay", 'd', 0, G_OPTION_ARG_INT, &delay,
"Delay responses by the specified number of seconds", NULL},
{"timeout", 't', 0, G_OPTION_ARG_INT, &read_timeout,
"Time out reads after the specified number of seconds", NULL},
{NULL}
};
static gboolean
source_ready (gpointer data,
GIOCondition condition)
{
g_main_loop_quit (loop);
return FALSE;
}
static void
ensure_condition (GSocket *socket,
const char *where,
GCancellable *cancellable,
GIOCondition condition)
{
GError *error = NULL;
GSource *source;
if (!non_blocking)
return;
if (use_source)
{
source = g_socket_create_source (socket,
condition,
cancellable);
g_source_set_callback (source,
(GSourceFunc) source_ready,
NULL, NULL);
g_source_attach (source, NULL);
g_source_unref (source);
g_main_loop_run (loop);
}
else
{
if (!g_socket_condition_wait (socket, condition, cancellable, &error))
{
g_printerr ("condition wait error for %s: %s\n",
where,
error->message);
exit (1);
}
}
}
static gpointer
cancel_thread (gpointer data)
{
GCancellable *cancellable = data;
g_usleep (1000*1000*cancel_timeout);
g_print ("Cancelling\n");
g_cancellable_cancel (cancellable);
return NULL;
}
int
main (int argc,
char *argv[])
{
GSocket *socket, *new_socket, *recv_socket;
GSocketAddress *src_address;
GSocketAddress *address;
GSocketType socket_type;
GSocketFamily socket_family;
GError *error = NULL;
GOptionContext *context;
GCancellable *cancellable;
char *display_addr;
g_thread_init (NULL);
g_type_init ();
context = g_option_context_new (" - Test GSocket server stuff");
g_option_context_add_main_entries (context, cmd_entries, NULL);
if (!g_option_context_parse (context, &argc, &argv, &error))
{
g_printerr ("%s: %s\n", argv[0], error->message);
return 1;
}
if (unix_socket && argc != 2)
{
g_printerr ("%s: %s\n", argv[0], "Need to specify unix socket name");
return 1;
}
if (cancel_timeout)
{
cancellable = g_cancellable_new ();
g_thread_create (cancel_thread, cancellable, FALSE, NULL);
}
else
{
cancellable = NULL;
}
loop = g_main_loop_new (NULL, FALSE);
if (use_udp)
socket_type = G_SOCKET_TYPE_DATAGRAM;
else
socket_type = G_SOCKET_TYPE_STREAM;
if (unix_socket)
socket_family = G_SOCKET_FAMILY_UNIX;
else
socket_family = G_SOCKET_FAMILY_IPV4;
socket = g_socket_new (socket_family, socket_type, 0, &error);
if (socket == NULL)
{
g_printerr ("%s: %s\n", argv[0], error->message);
return 1;
}
if (non_blocking)
g_socket_set_blocking (socket, FALSE);
if (unix_socket)
{
src_address = socket_address_from_string (argv[1]);
if (src_address == NULL)
{
g_printerr ("%s: Could not parse '%s' as unix socket name\n", argv[0], argv[1]);
return 1;
}
}
else
{
src_address = g_inet_socket_address_new (g_inet_address_new_any (G_SOCKET_FAMILY_IPV4), port);
}
if (!g_socket_bind (socket, src_address, !dont_reuse_address, &error))
{
g_printerr ("Can't bind socket: %s\n", error->message);
return 1;
}
g_object_unref (src_address);
if (!use_udp)
{
if (!g_socket_listen (socket, &error))
{
g_printerr ("Can't listen on socket: %s\n", error->message);
return 1;
}
address = g_socket_get_local_address (socket, &error);
if (!address)
{
g_printerr ("Error getting local address: %s\n",
error->message);
return 1;
}
display_addr = socket_address_to_string (address);
g_print ("listening on %s...\n", display_addr);
g_free (display_addr);
ensure_condition (socket, "accept", cancellable, G_IO_IN);
new_socket = g_socket_accept (socket, cancellable, &error);
if (!new_socket)
{
g_printerr ("Error accepting socket: %s\n",
error->message);
return 1;
}
if (non_blocking)
g_socket_set_blocking (new_socket, FALSE);
if (read_timeout)
g_socket_set_timeout (new_socket, read_timeout);
address = g_socket_get_remote_address (new_socket, &error);
if (!address)
{
g_printerr ("Error getting remote address: %s\n",
error->message);
return 1;
}
display_addr = socket_address_to_string (address);
g_print ("got a new connection from %s\n", display_addr);
g_free(display_addr);
g_object_unref (address);
recv_socket = new_socket;
}
else
{
recv_socket = socket;
new_socket = NULL;
}
while (TRUE)
{
gchar buffer[4096];
gssize size;
gsize to_send;
ensure_condition (recv_socket, "receive", cancellable, G_IO_IN);
if (use_udp)
size = g_socket_receive_from (recv_socket, &address,
buffer, sizeof buffer,
cancellable, &error);
else
size = g_socket_receive (recv_socket, buffer, sizeof buffer,
cancellable, &error);
if (size < 0)
{
g_printerr ("Error receiving from socket: %s\n",
error->message);
return 1;
}
if (size == 0)
break;
g_print ("received %" G_GSSIZE_FORMAT " bytes of data", size);
if (use_udp)
g_print (" from %s", socket_address_to_string (address));
g_print ("\n");
if (verbose)
g_print ("-------------------------\n"
"%.*s\n"
"-------------------------\n",
(int)size, buffer);
to_send = size;
if (delay)
{
if (verbose)
g_print ("delaying %d seconds before response\n", delay);
g_usleep (1000 * 1000 * delay);
}
while (to_send > 0)
{
ensure_condition (recv_socket, "send", cancellable, G_IO_OUT);
if (use_udp)
size = g_socket_send_to (recv_socket, address,
buffer, to_send, cancellable, &error);
else
size = g_socket_send (recv_socket, buffer, to_send,
cancellable, &error);
if (size < 0)
{
if (g_error_matches (error,
G_IO_ERROR,
G_IO_ERROR_WOULD_BLOCK))
{
g_print ("socket send would block, handling\n");
g_error_free (error);
error = NULL;
continue;
}
else
{
g_printerr ("Error sending to socket: %s\n",
error->message);
return 1;
}
}
g_print ("sent %" G_GSSIZE_FORMAT " bytes of data\n", size);
if (size == 0)
{
g_printerr ("Unexpected short write\n");
return 1;
}
to_send -= size;
}
}
g_print ("connection closed\n");
if (new_socket)
{
if (!g_socket_close (new_socket, &error))
{
g_printerr ("Error closing connection socket: %s\n",
error->message);
return 1;
}
g_object_unref (G_OBJECT (new_socket));
}
if (!g_socket_close (socket, &error))
{
g_printerr ("Error closing master socket: %s\n",
error->message);
return 1;
}
g_object_unref (G_OBJECT (socket));
return 0;
}