write_or_die(fd, "0000", 4);
}
+void packet_delim(int fd)
+{
+ packet_trace("0001", 4, 1);
+ write_or_die(fd, "0001", 4);
+}
+
int packet_flush_gently(int fd)
{
packet_trace("0000", 4, 1);
strbuf_add(buf, "0000", 4);
}
+void packet_buf_delim(struct strbuf *buf)
+{
+ packet_trace("0001", 4, 1);
+ strbuf_add(buf, "0001", 4);
+}
+
static void set_packet_header(char *buf, const int size)
{
static char hexchar[] = "0123456789abcdef";
va_end(args);
}
+void packet_buf_write_len(struct strbuf *buf, const char *data, size_t len)
+{
+ size_t orig_len, n;
+
+ orig_len = buf->len;
+ strbuf_addstr(buf, "0000");
+ strbuf_add(buf, data, len);
+ n = buf->len - orig_len;
+
+ if (n > LARGE_PACKET_MAX)
+ die("protocol error: impossibly long line");
+
+ set_packet_header(&buf->buf[orig_len], n);
+ packet_trace(data, len, 1);
+}
+
int write_packetized_from_fd(int fd_in, int fd_out)
{
static char buf[LARGE_PACKET_DATA_MAX];
packet_trace("0000", 4, 0);
*pktlen = 0;
return PACKET_READ_FLUSH;
+ } else if (len == 1) {
+ packet_trace("0001", 4, 0);
+ *pktlen = 0;
+ return PACKET_READ_DELIM;
} else if (len < 4) {
die("protocol error: bad line length %d", len);
}
}
return sb_out->len - orig_len;
}
+
+/* Packet Reader Functions */
+void packet_reader_init(struct packet_reader *reader, int fd,
+ char *src_buffer, size_t src_len,
+ int options)
+{
+ memset(reader, 0, sizeof(*reader));
+
+ reader->fd = fd;
+ reader->src_buffer = src_buffer;
+ reader->src_len = src_len;
+ reader->buffer = packet_buffer;
+ reader->buffer_size = sizeof(packet_buffer);
+ reader->options = options;
+}
+
+enum packet_read_status packet_reader_read(struct packet_reader *reader)
+{
+ if (reader->line_peeked) {
+ reader->line_peeked = 0;
+ return reader->status;
+ }
+
+ reader->status = packet_read_with_status(reader->fd,
+ &reader->src_buffer,
+ &reader->src_len,
+ reader->buffer,
+ reader->buffer_size,
+ &reader->pktlen,
+ reader->options);
+
+ if (reader->status == PACKET_READ_NORMAL)
+ reader->line = reader->buffer;
+ else
+ reader->line = NULL;
+
+ return reader->status;
+}
+
+enum packet_read_status packet_reader_peek(struct packet_reader *reader)
+{
+ /* Only allow peeking a single line */
+ if (reader->line_peeked)
+ return reader->status;
+
+ /* Peek a line by reading it and setting peeked flag */
+ packet_reader_read(reader);
+ reader->line_peeked = 1;
+ return reader->status;
+}