static void print_basic_information(void) { IP_ADAPTER_ADDRESSES *adapters; ULONG out = 0; if (GetAdaptersAddresses(AF_UNSPEC, GAA_FLAG_INCLUDE_ALL_GATEWAYS, NULL, NULL, &out) == ERROR_BUFFER_OVERFLOW) { adapters = HeapAlloc(GetProcessHeap(), 0, out); if (!adapters) exit(1); if (GetAdaptersAddresses(AF_UNSPEC, GAA_FLAG_INCLUDE_ALL_GATEWAYS, NULL, adapters, &out) == ERROR_SUCCESS) { IP_ADAPTER_ADDRESSES *p; for (p = adapters; p; p = p->Next) { static const WCHAR newlineW[] = {'\n',0}; static const WCHAR emptyW[] = {0}; IP_ADAPTER_UNICAST_ADDRESS *addr; IP_ADAPTER_GATEWAY_ADDRESS_LH *gateway; WCHAR addr_buf[54]; ipconfig_message_printfW(STRING_ADAPTER_FRIENDLY, iftype_to_string(p->IfType), p->FriendlyName); ipconfig_printfW(newlineW); print_field(STRING_CONN_DNS_SUFFIX, p->DnsSuffix); for (addr = p->FirstUnicastAddress; addr; addr = addr->Next) { if (socket_address_to_string(addr_buf, sizeof(addr_buf)/sizeof(WCHAR), &addr->Address)) print_field(STRING_IP_ADDRESS, addr_buf); /* FIXME: Output corresponding subnet mask. */ } if (p->FirstGatewayAddress) { if (socket_address_to_string(addr_buf, sizeof(addr_buf)/sizeof(WCHAR), &p->FirstGatewayAddress->Address)) print_field(STRING_DEFAULT_GATEWAY, addr_buf); for (gateway = p->FirstGatewayAddress->Next; gateway; gateway = gateway->Next) { if (socket_address_to_string(addr_buf, sizeof(addr_buf)/sizeof(WCHAR), &gateway->Address)) print_value(addr_buf); } } else print_field(STRING_DEFAULT_GATEWAY, emptyW); ipconfig_printfW(newlineW); } } HeapFree(GetProcessHeap(), 0, adapters); } }
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; GTlsCertificate *tlscert = NULL; GIOStream *connection; GInputStream *istream; GOutputStream *ostream; 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) { GThread *thread; cancellable = g_cancellable_new (); thread = g_thread_new ("cancel", cancel_thread, cancellable); g_thread_unref (thread); } else { cancellable = NULL; } if (tls_cert_file) { if (use_udp) { g_printerr ("DTLS (TLS over UDP) is not supported"); return 1; } tlscert = g_tls_certificate_new_from_file (tls_cert_file, &error); if (!tlscert) { g_printerr ("Could not read server certificate '%s': %s\n", tls_cert_file, error->message); return 1; } } 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_socket_condition (socket, G_IO_IN, cancellable); 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; connection = G_IO_STREAM (g_socket_connection_factory_create_connection (recv_socket)); g_object_unref (new_socket); } else { recv_socket = socket; connection = NULL; } if (tlscert) { GIOStream *tls_conn; tls_conn = g_tls_server_connection_new (connection, tlscert, &error); if (!tls_conn) { g_printerr ("Could not create TLS connection: %s\n", error->message); return 1; } if (!g_tls_connection_handshake (G_TLS_CONNECTION (tls_conn), cancellable, &error)) { g_printerr ("Error during TLS handshake: %s\n", error->message); return 1; } g_object_unref (connection); connection = tls_conn; } if (connection) { istream = g_io_stream_get_input_stream (connection); ostream = g_io_stream_get_output_stream (connection); } else { g_assert (use_udp); istream = NULL; ostream = NULL; } while (TRUE) { gchar buffer[4096]; gssize size; gsize to_send; if (use_udp) { ensure_socket_condition (recv_socket, G_IO_IN, cancellable); size = g_socket_receive_from (recv_socket, &address, buffer, sizeof buffer, cancellable, &error); } else { ensure_connection_condition (connection, G_IO_IN, cancellable); size = g_input_stream_read (istream, 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; #ifdef __QNXNTO__ if (delay_) #else if (delay) #endif { #ifdef __QNXNTO__ if (verbose) g_print ("delaying %d seconds before response\n", delay_); g_usleep (1000 * 1000 * delay_); #else if (verbose) g_print ("delaying %d seconds before response\n", delay); g_usleep (1000 * 1000 * delay); #endif } while (to_send > 0) { if (use_udp) { ensure_socket_condition (recv_socket, G_IO_OUT, cancellable); size = g_socket_send_to (recv_socket, address, buffer, to_send, cancellable, &error); } else { ensure_connection_condition (connection, G_IO_OUT, cancellable); size = g_output_stream_write (ostream, 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 (connection) { if (!g_io_stream_close (connection, NULL, &error)) { g_printerr ("Error closing connection stream: %s\n", error->message); return 1; } g_object_unref (connection); } if (!g_socket_close (socket, &error)) { g_printerr ("Error closing master socket: %s\n", error->message); return 1; } g_object_unref (socket); return 0; }
int main (int argc, char *argv[]) { GOptionContext *context; GSocketClient *client; GSocketConnection *connection; GSocketAddress *address; GCancellable *cancellable; GOutputStream *out; GError *error = NULL; char buffer[1000]; g_type_init (); context = g_option_context_new (" <hostname>[:port] - send data to tcp host"); 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 (argc != 2) { g_printerr ("%s: %s\n", argv[0], "Need to specify hostname"); return 1; } if (async) loop = g_main_loop_new (NULL, FALSE); if (cancel_timeout) { GThread *thread; cancellable = g_cancellable_new (); thread = g_thread_new ("cancel", cancel_thread, cancellable); g_thread_unref (thread); } else { cancellable = NULL; } client = g_socket_client_new (); if (io_timeout) g_socket_client_set_timeout (client, io_timeout); if (verbose) g_signal_connect (client, "event", G_CALLBACK (socket_client_event), NULL); if (async) { GAsyncResult *res; g_socket_client_connect_to_host_async (client, argv[1], 7777, cancellable, async_cb, &res); g_main_loop_run (loop); connection = g_socket_client_connect_to_host_finish (client, res, &error); g_object_unref (res); } else { connection = g_socket_client_connect_to_host (client, argv[1], 7777, cancellable, &error); } if (connection == NULL) { g_printerr ("%s can't connect: %s\n", argv[0], error->message); return 1; } g_object_unref (client); address = g_socket_connection_get_remote_address (connection, &error); if (!address) { g_printerr ("Error getting remote address: %s\n", error->message); return 1; } g_print ("Connected to address: %s\n", socket_address_to_string (address)); g_object_unref (address); if (graceful) g_tcp_connection_set_graceful_disconnect (G_TCP_CONNECTION (connection), TRUE); out = g_io_stream_get_output_stream (G_IO_STREAM (connection)); while (fgets(buffer, sizeof (buffer), stdin) != NULL) { /* FIXME if (async) */ if (!g_output_stream_write_all (out, buffer, strlen (buffer), NULL, cancellable, &error)) { g_warning ("send error: %s\n", error->message); g_error_free (error); error = NULL; } } g_print ("closing stream\n"); if (async) { GAsyncResult *res; g_io_stream_close_async (G_IO_STREAM (connection), 0, cancellable, async_cb, &res); g_main_loop_run (loop); if (!g_io_stream_close_finish (G_IO_STREAM (connection), res, &error)) { g_object_unref (res); g_warning ("close error: %s\n", error->message); return 1; } g_object_unref (res); } else { if (!g_io_stream_close (G_IO_STREAM (connection), cancellable, &error)) { g_warning ("close error: %s\n", error->message); return 1; } } g_object_unref (connection); return 0; }
static void print_full_information(void) { static const WCHAR newlineW[] = {'\n',0}; static const WCHAR emptyW[] = {0}; FIXED_INFO *info; IP_ADAPTER_ADDRESSES *adapters; ULONG out = 0; if (GetNetworkParams(NULL, &out) == ERROR_BUFFER_OVERFLOW) { info = HeapAlloc(GetProcessHeap(), 0, out); if (!info) exit(1); if (GetNetworkParams(info, &out) == ERROR_SUCCESS) { WCHAR hostnameW[MAX_HOSTNAME_LEN + 4]; MultiByteToWideChar(CP_ACP, 0, info->HostName, -1, hostnameW, sizeof(hostnameW)/sizeof(hostnameW[0])); print_field(STRING_HOSTNAME, hostnameW); /* FIXME: Output primary DNS suffix. */ print_field(STRING_NODE_TYPE, nodetype_to_string(info->NodeType)); print_field(STRING_IP_ROUTING, boolean_to_string(info->EnableRouting)); /* FIXME: Output WINS proxy status and DNS suffix search list. */ ipconfig_printfW(newlineW); } HeapFree(GetProcessHeap(), 0, info); } if (GetAdaptersAddresses(AF_UNSPEC, GAA_FLAG_INCLUDE_ALL_GATEWAYS, NULL, NULL, &out) == ERROR_BUFFER_OVERFLOW) { adapters = HeapAlloc(GetProcessHeap(), 0, out); if (!adapters) exit(1); if (GetAdaptersAddresses(AF_UNSPEC, GAA_FLAG_INCLUDE_ALL_GATEWAYS, NULL, adapters, &out) == ERROR_SUCCESS) { IP_ADAPTER_ADDRESSES *p; for (p = adapters; p; p = p->Next) { IP_ADAPTER_UNICAST_ADDRESS *addr; WCHAR physaddr_buf[3 * MAX_ADAPTER_ADDRESS_LENGTH]; IP_ADAPTER_GATEWAY_ADDRESS_LH *gateway; WCHAR addr_buf[54]; ipconfig_message_printfW(STRING_ADAPTER_FRIENDLY, iftype_to_string(p->IfType), p->FriendlyName); ipconfig_printfW(newlineW); print_field(STRING_CONN_DNS_SUFFIX, p->DnsSuffix); print_field(STRING_DESCRIPTION, p->Description); print_field(STRING_PHYS_ADDR, physaddr_to_string(physaddr_buf, p->PhysicalAddress, p->PhysicalAddressLength)); print_field(STRING_DHCP_ENABLED, boolean_to_string(p->Flags & IP_ADAPTER_DHCP_ENABLED)); /* FIXME: Output autoconfiguration status. */ for (addr = p->FirstUnicastAddress; addr; addr = addr->Next) { if (socket_address_to_string(addr_buf, sizeof(addr_buf)/sizeof(WCHAR), &addr->Address)) print_field(STRING_IP_ADDRESS, addr_buf); /* FIXME: Output corresponding subnet mask. */ } if (p->FirstGatewayAddress) { if (socket_address_to_string(addr_buf, sizeof(addr_buf)/sizeof(WCHAR), &p->FirstGatewayAddress->Address)) print_field(STRING_DEFAULT_GATEWAY, addr_buf); for (gateway = p->FirstGatewayAddress->Next; gateway; gateway = gateway->Next) { if (socket_address_to_string(addr_buf, sizeof(addr_buf)/sizeof(WCHAR), &gateway->Address)) print_value(addr_buf); } } else print_field(STRING_DEFAULT_GATEWAY, emptyW); ipconfig_printfW(newlineW); } } HeapFree(GetProcessHeap(), 0, adapters); } }
int main (int argc, char *argv[]) { GSocket *socket; GSocketAddress *src_address; GSocketAddress *address; GSocketType socket_type; GSocketFamily socket_family; GError *error = NULL; GOptionContext *context; GCancellable *cancellable; GSocketAddressEnumerator *enumerator; GSocketConnectable *connectable; g_thread_init (NULL); g_type_init (); context = g_option_context_new (" <hostname>[:port] - Test GSocket client 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 (argc != 2) { g_printerr ("%s: %s\n", argv[0], "Need to specify hostname / 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 (read_timeout) g_socket_set_timeout (socket, read_timeout); if (unix_socket) { GSocketAddress *addr; addr = socket_address_from_string (argv[1]); if (addr == NULL) { g_printerr ("%s: Could not parse '%s' as unix socket name\n", argv[0], argv[1]); return 1; } connectable = G_SOCKET_CONNECTABLE (addr); } else { connectable = g_network_address_parse (argv[1], 7777, &error); if (connectable == NULL) { g_printerr ("%s: %s\n", argv[0], error->message); return 1; } } enumerator = g_socket_connectable_enumerate (connectable); while (TRUE) { address = g_socket_address_enumerator_next (enumerator, cancellable, &error); if (address == NULL) { if (error == NULL) g_printerr ("%s: No more addresses to try\n", argv[0]); else g_printerr ("%s: %s\n", argv[0], error->message); return 1; } if (g_socket_connect (socket, address, cancellable, &error)) break; g_printerr ("%s: Connection to %s failed: %s, trying next\n", argv[0], socket_address_to_string (address), error->message); g_error_free (error); error = NULL; g_object_unref (address); } g_object_unref (enumerator); g_object_unref (connectable); g_print ("Connected to %s\n", socket_address_to_string (address)); /* TODO: Test non-blocking connect */ if (non_blocking) g_socket_set_blocking (socket, FALSE); src_address = g_socket_get_local_address (socket, &error); if (!src_address) { g_printerr ("Error getting local address: %s\n", error->message); return 1; } g_print ("local address: %s\n", socket_address_to_string (src_address)); g_object_unref (src_address); while (TRUE) { gchar buffer[4096]; gssize size; gsize to_send; if (fgets (buffer, sizeof buffer, stdin) == NULL) break; to_send = strlen (buffer); while (to_send > 0) { ensure_condition (socket, "send", cancellable, G_IO_OUT); if (use_udp) size = g_socket_send_to (socket, address, buffer, to_send, cancellable, &error); else size = g_socket_send (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; } ensure_condition (socket, "receive", cancellable, G_IO_IN); if (use_udp) size = g_socket_receive_from (socket, &src_address, buffer, sizeof buffer, cancellable, &error); else size = g_socket_receive (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 (src_address)); g_print ("\n"); if (verbose) g_print ("-------------------------\n" "%.*s" "-------------------------\n", (int)size, buffer); } g_print ("closing socket\n"); if (!g_socket_close (socket, &error)) { g_printerr ("Error closing master socket: %s\n", error->message); return 1; } g_object_unref (G_OBJECT (socket)); g_object_unref (G_OBJECT (address)); return 0; }
int main (int argc, char *argv[]) { GSocket *socket; GSocketAddress *address; GError *error = NULL; GOptionContext *context; GCancellable *cancellable; GIOStream *connection; GInputStream *istream; GOutputStream *ostream; GSocketAddress *src_address; GTlsCertificate *certificate = NULL; gint i; address = NULL; connection = NULL; context = g_option_context_new (" <hostname>[:port] - Test GSocket client 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 (argc != 2) { g_printerr ("%s: %s\n", argv[0], "Need to specify hostname / unix socket name"); return 1; } if (use_udp && tls) { g_printerr ("DTLS (TLS over UDP) is not supported"); return 1; } if (cancel_timeout) { GThread *thread; cancellable = g_cancellable_new (); thread = g_thread_new ("cancel", cancel_thread, cancellable); g_thread_unref (thread); } else { cancellable = NULL; } loop = g_main_loop_new (NULL, FALSE); for (i = 0; i < 2; i++) { if (make_connection (argv[1], certificate, cancellable, &socket, &address, &connection, &istream, &ostream, &error)) break; if (g_error_matches (error, G_TLS_ERROR, G_TLS_ERROR_CERTIFICATE_REQUIRED)) { g_clear_error (&error); certificate = lookup_client_certificate (G_TLS_CLIENT_CONNECTION (connection), &error); if (certificate != NULL) continue; } g_printerr ("%s: %s", argv[0], error->message); return 1; } /* TODO: Test non-blocking connect/handshake */ if (non_blocking) g_socket_set_blocking (socket, FALSE); while (TRUE) { gchar buffer[4096]; gssize size; gsize to_send; if (fgets (buffer, sizeof buffer, stdin) == NULL) break; to_send = strlen (buffer); while (to_send > 0) { if (use_udp) { ensure_socket_condition (socket, G_IO_OUT, cancellable); size = g_socket_send_to (socket, address, buffer, to_send, cancellable, &error); } else { ensure_connection_condition (connection, G_IO_OUT, cancellable); size = g_output_stream_write (ostream, 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; } if (use_udp) { ensure_socket_condition (socket, G_IO_IN, cancellable); size = g_socket_receive_from (socket, &src_address, buffer, sizeof buffer, cancellable, &error); } else { ensure_connection_condition (connection, G_IO_IN, cancellable); size = g_input_stream_read (istream, 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 (src_address)); g_print ("\n"); if (verbose) g_print ("-------------------------\n" "%.*s" "-------------------------\n", (int)size, buffer); } g_print ("closing socket\n"); if (connection) { if (!g_io_stream_close (connection, cancellable, &error)) { g_printerr ("Error closing connection: %s\n", error->message); return 1; } g_object_unref (connection); } else { if (!g_socket_close (socket, &error)) { g_printerr ("Error closing master socket: %s\n", error->message); return 1; } } g_object_unref (socket); g_object_unref (address); return 0; }
static gboolean make_connection (const char *argument, GTlsCertificate *certificate, GCancellable *cancellable, GSocket **socket, GSocketAddress **address, GIOStream **connection, GInputStream **istream, GOutputStream **ostream, GError **error) { GSocketType socket_type; GSocketFamily socket_family; GSocketAddressEnumerator *enumerator; GSocketConnectable *connectable; GSocketAddress *src_address; GTlsInteraction *interaction; GError *err = NULL; 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) return FALSE; if (read_timeout) g_socket_set_timeout (*socket, read_timeout); if (unix_socket) { GSocketAddress *addr; addr = socket_address_from_string (argument); if (addr == NULL) { g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED, "Could not parse '%s' as unix socket name", argument); return FALSE; } connectable = G_SOCKET_CONNECTABLE (addr); } else { connectable = g_network_address_parse (argument, 7777, error); if (connectable == NULL) return FALSE; } enumerator = g_socket_connectable_enumerate (connectable); while (TRUE) { *address = g_socket_address_enumerator_next (enumerator, cancellable, error); if (*address == NULL) { if (error != NULL && *error == NULL) g_set_error_literal (error, G_IO_ERROR, G_IO_ERROR_FAILED, "No more addresses to try"); return FALSE; } if (g_socket_connect (*socket, *address, cancellable, &err)) break; g_message ("Connection to %s failed: %s, trying next", socket_address_to_string (*address), err->message); g_clear_error (&err); g_object_unref (*address); } g_object_unref (enumerator); g_print ("Connected to %s\n", socket_address_to_string (*address)); src_address = g_socket_get_local_address (*socket, error); if (!src_address) { g_prefix_error (error, "Error getting local address: "); return FALSE; } g_print ("local address: %s\n", socket_address_to_string (src_address)); g_object_unref (src_address); if (use_udp) { *connection = NULL; *istream = NULL; *ostream = NULL; } else *connection = G_IO_STREAM (g_socket_connection_factory_create_connection (*socket)); if (tls) { GIOStream *tls_conn; tls_conn = g_tls_client_connection_new (*connection, connectable, error); if (!tls_conn) { g_prefix_error (error, "Could not create TLS connection: "); return FALSE; } g_signal_connect (tls_conn, "accept-certificate", G_CALLBACK (accept_certificate), NULL); interaction = g_tls_console_interaction_new (); g_tls_connection_set_interaction (G_TLS_CONNECTION (tls_conn), interaction); g_object_unref (interaction); if (certificate) g_tls_connection_set_certificate (G_TLS_CONNECTION (tls_conn), certificate); g_object_unref (*connection); *connection = G_IO_STREAM (tls_conn); if (!g_tls_connection_handshake (G_TLS_CONNECTION (tls_conn), cancellable, error)) { g_prefix_error (error, "Error during TLS handshake: "); return FALSE; } } g_object_unref (connectable); if (*connection) { *istream = g_io_stream_get_input_stream (*connection); *ostream = g_io_stream_get_output_stream (*connection); } return TRUE; }
int main (int argc, char *argv[]) { GSocket *socket, *new_socket, *recv_socket; GSocketAddress *src_address; GSocketAddress *address; GSocketType socket_type; GError *error = NULL; GOptionContext *context; GCancellable *cancellable; 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 (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; socket = g_socket_new (G_SOCKET_FAMILY_IPV4, 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); 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; } if (!use_udp) { if (!g_socket_listen (socket, &error)) { g_printerr ("Can't listen on socket: %s\n", error->message); return 1; } g_print ("listening on port %d...\n", port); ensure_condition (socket, "accept", cancellable, G_IO_IN); new_socket = g_socket_accept (socket, &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); address = g_socket_get_remote_address (new_socket, &error); if (!address) { g_printerr ("Error getting remote address: %s\n", error->message); return 1; } g_print ("got a new connection from %s (blocking: %d)\n", socket_address_to_string (address), g_socket_get_blocking (new_socket)); 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, &error); else size = g_socket_receive (recv_socket, buffer, sizeof buffer, &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; 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, &error); else size = g_socket_send (recv_socket, buffer, to_send, &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; }