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author | Juan Manuel Tomás <jtomas1815@gmail.com> | 2020-07-17 16:23:43 -0300 |
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committer | Juan Manuel Tomás <jtomas1815@gmail.com> | 2020-07-17 16:23:43 -0300 |
commit | d608bef678fa97b3af910fa62598c55f33650825 (patch) | |
tree | 90f1b4029be89a3ed3c55593b9787371c8037a35 /src/common/ipc.cpp | |
parent | c1d93b0bc5a2abcf5e7cadd17ef9db7f57a524fc (diff) | |
download | jet-d608bef678fa97b3af910fa62598c55f33650825.tar.gz jet-d608bef678fa97b3af910fa62598c55f33650825.zip |
Restructure source files
Diffstat (limited to 'src/common/ipc.cpp')
-rw-r--r-- | src/common/ipc.cpp | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/src/common/ipc.cpp b/src/common/ipc.cpp new file mode 100644 index 0000000..7d46307 --- /dev/null +++ b/src/common/ipc.cpp @@ -0,0 +1,40 @@ +enum Operation { + OP_NULL = 0, + OP_MOVE1, + OP_MOVE2, + OP_MOVE4, + OP_MOVE8, + OP_INSERT, + OP_DELETE, + OP_SHOW +}; + +void encode2(int16_t data, int8_t *message, size_t offset) { + message[offset] = data & 0x00ff; + message[offset + 1] = (data & 0xff00) >> 8; +} + +int16_t decode2(int8_t *message, size_t offset) { + return (int16_t)message[offset + 1] << 8 & 0xff00 + | (int16_t)message[offset] & 0x00ff; +} + +void encode4(int32_t data, int8_t *message, size_t offset) { + encode2( data & 0x0000ffff, message, offset); + encode2((data & 0xffff0000) >> 16, message, offset + 2); +} + +int32_t decode4(int8_t *message, size_t offset) { + return (int32_t)decode2(message, offset + 2) << 16 & 0xffff0000 + | (int32_t)decode2(message, offset) & 0x0000ffff; +} + +void encode8(int64_t data, int8_t *message, size_t offset) { + encode4( data & 0x00000000ffffffff, message, offset); + encode4((data & 0xffffffff00000000) >> 32, message, offset + 4); +} + +int64_t decode8(int8_t *message, size_t offset) { + return (int64_t)decode4(message, offset + 4) << 32 & 0xffffffff00000000 + | (int64_t)decode4(message, offset) & 0x00000000ffffffff; +} |