diff options
Diffstat (limited to 'i2ctcp/i2ctcpv1.c')
-rw-r--r-- | i2ctcp/i2ctcpv1.c | 52 |
1 files changed, 0 insertions, 52 deletions
diff --git a/i2ctcp/i2ctcpv1.c b/i2ctcp/i2ctcpv1.c deleted file mode 100644 index 944df3a..0000000 --- a/i2ctcp/i2ctcpv1.c +++ /dev/null @@ -1,52 +0,0 @@ -#include <mpack.h> -#ifndef MIN -#define MIN(a,b) (((a) < (b)) ? (a) : (b)) -#endif - -#include "i2ctcpv1.h" - -int i2ctcp_read(i2ctcp_msg_t * target, const char * buf, size_t buf_sz) { - mpack_reader_t reader; - mpack_reader_init_data(&reader, buf, buf_sz); - - // at start of message - if (target->_rdata == 0) { - target->addr = mpack_expect_u16(&reader); - target->length = target->_rdata = mpack_expect_bin(&reader); - if (mpack_reader_error(&reader) != mpack_ok) return -1; - target->data = (char *) malloc(target->length); - - // seek forward in buf to where binary data begins (to avoid having to read - // from private member reader.data in the memcpy below) - buf += buf_sz - mpack_reader_remaining(&reader, NULL); - } - - // continue reading chunks of target->data until the amount of bytes - // specified in target->length - size_t to_read = MIN(mpack_reader_remaining(&reader, NULL), target->_rdata); - char * data = target->data + target->length - target->_rdata; - memcpy(data, buf, to_read); - target->_rdata -= to_read; - // NOTE: memcpy is used here because mpack_read_bytes requires that a tag was - // opened, which is not the case for the chunks following the initial mpack - // header - - // if rdata = 0, the message was completely read - return target->_rdata; -} - -void i2ctcp_read_reset(i2ctcp_msg_t * target) { - target->_rdata = 0; -} - -bool i2ctcp_write(const i2ctcp_msg_t * target, char ** buf, size_t * buf_sz) { - mpack_writer_t writer; - mpack_writer_init_growable(&writer, buf, buf_sz); - - mpack_write_u16(&writer, target->addr); - mpack_write_bin(&writer, target->data, target->length); - - // finish writing - return mpack_writer_destroy(&writer) == mpack_ok; -} - |