int http_serve_template ( http_request *h, gchar *file, GHashTable *data ) {
gchar *form;
guint r, n;
form = parse_template( file, data );
n = strlen(form);
http_add_header( h, "Content-Type", "text/html" );
http_send_header( h, 200, "OK" );
r = g_io_channel_write( h->sock, form, n, &n );
g_free( form );
if ( r != G_IO_ERROR_NONE ) {
g_warning( "Serving template to %s failed: %m", h->peer_ip );
return 0;
}
return 1;
}
static gboolean
control_channel_output(GIOChannel *channel, GIOCondition cond, gpointer user_data)
{
ControlConnectionOutput *output = (ControlConnectionOutput *) user_data;
GIOError error;
gsize bytes_written;
/* NOTE: write is deprecated as it bypasses the output buffer. But using
* buffered I/O is incompatible with using nonblocking i/o and we don't
* need buffering anyway
*/
error = g_io_channel_write(channel, output->buffer->str + output->pos, output->buffer->len - output->pos, &bytes_written);
if (error == G_IO_ERROR_AGAIN)
return TRUE;
else if (error != G_IO_ERROR_NONE)
{
msg_error("Error writing control channel",
evt_tag_errno("error", errno),
NULL);
return FALSE;
}
/* normal, some characters were written */
output->pos += bytes_written;
if (output->pos == output->buffer->len)
{
/**/
g_string_free(output->buffer, TRUE);
g_free(output);
g_io_channel_set_flags(channel, 0, NULL);
g_io_add_watch(channel, G_IO_IN, control_channel_input, NULL);
return FALSE;
}
return TRUE;
}
static GIOError gst_avdtp_sink_audioservice_send(
GstAvdtpSink *self,
const bt_audio_msg_header_t *msg)
{
GIOError error;
gsize written;
const char *type, *name;
uint16_t length;
length = msg->length ? msg->length : BT_SUGGESTED_BUFFER_SIZE;
error = g_io_channel_write(self->server, (const gchar *) msg, length,
&written);
if (error != G_IO_ERROR_NONE)
GST_ERROR_OBJECT(self, "Error sending data to audio service:"
" %s(%d)", strerror(errno), errno);
type = bt_audio_strtype(msg->type);
name = bt_audio_strname(msg->name);
GST_DEBUG_OBJECT(self, "sent: %s -> %s", type, name);
return error;
}
static gboolean session_event(GIOChannel *chan,
GIOCondition cond, gpointer data)
{
struct dun_server *server = data;
unsigned char buf[672];
gsize len, written;
GIOError err;
if (cond & (G_IO_HUP | G_IO_ERR | G_IO_NVAL))
goto disconnected;
err = g_io_channel_read(chan, (gchar *) buf, sizeof(buf), &len);
if (err == G_IO_ERROR_AGAIN)
return TRUE;
g_io_channel_write(chan, (const gchar *) buf, len, &written);
return TRUE;
disconnected:
server->client_id = 0;
disconnect(server);
return FALSE;
}
/*
This callback is called for (IN|ERR) or OUT.
We add the watch for (IN|ERR) when the client connects in
async_server_iofunc(). We remove it if the connection is closed
(i.e. we read 0 bytes) or if there's an error.
We add the watch for OUT when we have something to write and remove
it when we're done writing or when the connection is closed.
*/
static gboolean
async_client_iofunc(GIOChannel *iochannel, GIOCondition c,
gpointer data)
{
client_state *cs = (client_state *) data;
g_assert(cs != NULL);
/* Check for socket error */
if (c & G_IO_ERR) {
fprintf(stderr, "Client socket error!\n");
goto error;
}
/* Check for data to be read (or if the socket was closed) */
if (c & G_IO_IN) {
GIOError e;
gsize bytes_read;
/* Read the data into our buffer */
e = g_io_channel_read(iochannel,
&cs->buffer[cs->n],
sizeof(cs->buffer) - cs->n,
&bytes_read);
/* Check for socket error */
if (e != G_IO_ERROR_NONE) {
fprintf(stderr, "Client read error: %d\n", e);
goto error;
} else if (bytes_read == 0) {
/* Check if we read 0 bytes, which means the connection
is closed */
goto error;
} else {
g_assert(bytes_read > 0);
/* If there isn't an out_watch, add one */
if (cs->out_watch == 0) {
cs->out_watch =
g_io_add_watch(iochannel,
G_IO_OUT,
async_client_iofunc,
cs);
}
if (fwrite(&cs->buffer[cs->n], bytes_read, 1, stdout) != 1) {
fprintf (stderr, "Error: fwrite to stdout failed: %s\n", g_strerror (errno));
}
cs->n += bytes_read;
}
}
if (c & G_IO_OUT) {
GIOError e;
gsize bytes_written;
/* Write the data out */
e = g_io_channel_write(iochannel, cs->buffer, cs->n,
&bytes_written);
if (e != G_IO_ERROR_NONE) {
fprintf(stderr, "Client write error: %d\n", e);
clientstate_delete(cs);
return FALSE;
} else if (bytes_written > 0) {
/* Move the memory down some (you wouldn't do this
in a performance server because it's slow) */
g_memmove(cs->buffer,
&cs->buffer[bytes_written],
bytes_written);
cs->n -= bytes_written;
}
/* Check if done */
if (cs->n == 0) {
cs->out_watch = 0;
return FALSE;
}
}
return TRUE;
error:
clientstate_delete(cs);
return FALSE;
}