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-rw-r--r--src/client_write.c284
1 files changed, 0 insertions, 284 deletions
diff --git a/src/client_write.c b/src/client_write.c
deleted file mode 100644
index 78cfca8a..00000000
--- a/src/client_write.c
+++ /dev/null
@@ -1,284 +0,0 @@
-/*
- * 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 "client_internal.h"
-
-#include <assert.h>
-#include <string.h>
-#include <stdio.h>
-
-static size_t
-client_write_deferred_buffer(struct client *client,
- const struct deferred_buffer *buffer)
-{
- GError *error = NULL;
- GIOStatus status;
- gsize bytes_written;
-
- assert(client != NULL);
- assert(client->channel != NULL);
- assert(buffer != NULL);
-
- status = g_io_channel_write_chars
- (client->channel, buffer->data, buffer->size,
- &bytes_written, &error);
- switch (status) {
- case G_IO_STATUS_NORMAL:
- return bytes_written;
-
- case G_IO_STATUS_AGAIN:
- return 0;
-
- case G_IO_STATUS_EOF:
- /* client has disconnected */
-
- client_set_expired(client);
- return 0;
-
- case G_IO_STATUS_ERROR:
- /* I/O error */
-
- client_set_expired(client);
- g_warning("failed to flush buffer for %i: %s",
- client->num, error->message);
- g_error_free(error);
- return 0;
- }
-
- /* unreachable */
- return 0;
-}
-
-void
-client_write_deferred(struct client *client)
-{
- size_t ret;
-
- while (!g_queue_is_empty(client->deferred_send)) {
- struct deferred_buffer *buf =
- g_queue_peek_head(client->deferred_send);
-
- assert(buf->size > 0);
- assert(buf->size <= client->deferred_bytes);
-
- ret = client_write_deferred_buffer(client, buf);
- if (ret == 0)
- break;
-
- if (ret < buf->size) {
- assert(client->deferred_bytes >= (size_t)ret);
- client->deferred_bytes -= ret;
- buf->size -= ret;
- memmove(buf->data, buf->data + ret, buf->size);
- break;
- } else {
- size_t decr = sizeof(*buf) -
- sizeof(buf->data) + buf->size;
-
- assert(client->deferred_bytes >= decr);
- client->deferred_bytes -= decr;
- g_free(buf);
- g_queue_pop_head(client->deferred_send);
- }
-
- g_timer_start(client->last_activity);
- }
-
- if (g_queue_is_empty(client->deferred_send)) {
- g_debug("[%u] buffer empty %lu", client->num,
- (unsigned long)client->deferred_bytes);
- assert(client->deferred_bytes == 0);
- }
-}
-
-static void client_defer_output(struct client *client,
- const void *data, size_t length)
-{
- size_t alloc;
- struct deferred_buffer *buf;
-
- assert(length > 0);
-
- alloc = sizeof(*buf) - sizeof(buf->data) + length;
- client->deferred_bytes += alloc;
- if (client->deferred_bytes > client_max_output_buffer_size) {
- g_warning("[%u] output buffer size (%lu) is "
- "larger than the max (%lu)",
- client->num,
- (unsigned long)client->deferred_bytes,
- (unsigned long)client_max_output_buffer_size);
- /* cause client to close */
- client_set_expired(client);
- return;
- }
-
- buf = g_malloc(alloc);
- buf->size = length;
- memcpy(buf->data, data, length);
-
- g_queue_push_tail(client->deferred_send, buf);
-}
-
-static void client_write_direct(struct client *client,
- const char *data, size_t length)
-{
- GError *error = NULL;
- GIOStatus status;
- gsize bytes_written;
-
- assert(client != NULL);
- assert(client->channel != NULL);
- assert(data != NULL);
- assert(length > 0);
- assert(g_queue_is_empty(client->deferred_send));
-
- status = g_io_channel_write_chars(client->channel, data, length,
- &bytes_written, &error);
- switch (status) {
- case G_IO_STATUS_NORMAL:
- case G_IO_STATUS_AGAIN:
- break;
-
- case G_IO_STATUS_EOF:
- /* client has disconnected */
-
- client_set_expired(client);
- return;
-
- case G_IO_STATUS_ERROR:
- /* I/O error */
-
- client_set_expired(client);
- g_warning("failed to write to %i: %s",
- client->num, error->message);
- g_error_free(error);
- return;
- }
-
- if (bytes_written < length)
- client_defer_output(client, data + bytes_written,
- length - bytes_written);
-
- if (!g_queue_is_empty(client->deferred_send))
- g_debug("[%u] buffer created", client->num);
-}
-
-void
-client_write_output(struct client *client)
-{
- if (client_is_expired(client) || !client->send_buf_used)
- return;
-
- if (!g_queue_is_empty(client->deferred_send)) {
- client_defer_output(client, client->send_buf,
- client->send_buf_used);
-
- if (client_is_expired(client))
- return;
-
- /* try to flush the deferred buffers now; the current
- server command may take too long to finish, and
- meanwhile try to feed output to the client,
- otherwise it will time out. One reason why
- deferring is slow might be that currently each
- client_write() allocates a new deferred buffer.
- This should be optimized after MPD 0.14. */
- client_write_deferred(client);
- } else
- client_write_direct(client, client->send_buf,
- client->send_buf_used);
-
- client->send_buf_used = 0;
-}
-
-/**
- * Write a block of data to the client.
- */
-static void client_write(struct client *client, const char *buffer, size_t buflen)
-{
- /* if the client is going to be closed, do nothing */
- if (client_is_expired(client))
- return;
-
- while (buflen > 0 && !client_is_expired(client)) {
- size_t copylen;
-
- assert(client->send_buf_used < sizeof(client->send_buf));
-
- copylen = sizeof(client->send_buf) - client->send_buf_used;
- if (copylen > buflen)
- copylen = buflen;
-
- memcpy(client->send_buf + client->send_buf_used, buffer,
- copylen);
- buflen -= copylen;
- client->send_buf_used += copylen;
- buffer += copylen;
- if (client->send_buf_used >= sizeof(client->send_buf))
- client_write_output(client);
- }
-}
-
-void client_puts(struct client *client, const char *s)
-{
- client_write(client, s, strlen(s));
-}
-
-void client_vprintf(struct client *client, const char *fmt, va_list args)
-{
-#ifndef G_OS_WIN32
- va_list tmp;
- int length;
- char *buffer;
-
- va_copy(tmp, args);
- length = vsnprintf(NULL, 0, fmt, tmp);
- va_end(tmp);
-
- if (length <= 0)
- /* wtf.. */
- return;
-
- buffer = g_malloc(length + 1);
- vsnprintf(buffer, length + 1, fmt, args);
- client_write(client, buffer, length);
- g_free(buffer);
-#else
- /* On mingw32, snprintf() expects a 64 bit integer instead of
- a "long int" for "%li". This is not consistent with our
- expectation, so we're using plain sprintf() here, hoping
- the static buffer is large enough. Sorry for this hack,
- but WIN32 development is so painful, I'm not in the mood to
- do it properly now. */
-
- static char buffer[4096];
- vsprintf(buffer, fmt, args);
- client_write(client, buffer, strlen(buffer));
-#endif
-}
-
-G_GNUC_PRINTF(2, 3) void client_printf(struct client *client, const char *fmt, ...)
-{
- va_list args;
-
- va_start(args, fmt);
- client_vprintf(client, fmt, args);
- va_end(args);
-}
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