forked from vitalif/vitastor
Add base64 implementation
parent
298b013eae
commit
dd02bc1c44
5
Makefile
5
Makefile
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@ -27,7 +27,10 @@ libblockstore.so: $(BLOCKSTORE_OBJS)
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libfio_blockstore.so: ./libblockstore.so fio_engine.cpp json11.o
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g++ $(CXXFLAGS) -shared -o libfio_blockstore.so fio_engine.cpp json11.o ./libblockstore.so -ltcmalloc_minimal -luring
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OSD_OBJS := osd.o osd_secondary.o osd_receive.o osd_send.o osd_peering.o osd_flush.o osd_peering_pg.o osd_primary.o osd_cluster.o osd_rmw.o json11.o timerfd_interval.o
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OSD_OBJS := osd.o osd_secondary.o osd_receive.o osd_send.o osd_peering.o osd_flush.o osd_peering_pg.o \
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osd_primary.o osd_cluster.o osd_rmw.o json11.o timerfd_interval.o base64.o
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base64.o: base64.cpp base64.h
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g++ $(CXXFLAGS) -c -o $@ $<
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osd_secondary.o: osd_secondary.cpp osd.h osd_ops.h ringloop.h
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g++ $(CXXFLAGS) -c -o $@ $<
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osd_receive.o: osd_receive.cpp osd.h osd_ops.h ringloop.h
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@ -0,0 +1,50 @@
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#include "base64.h"
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std::string base64_encode(const std::string &in)
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{
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std::string out;
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unsigned val = 0, valb = -6;
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for (unsigned char c: in)
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{
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val = (val<<8) + c;
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valb += 8;
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while (valb >= 0)
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{
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out.push_back("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"[(val>>valb) & 0x3F]);
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valb -= 6;
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}
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}
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if (valb > -6)
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out.push_back("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"[((val<<8)>>(valb+8)) & 0x3F]);
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while (out.size() % 4)
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out.push_back('=');
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return out;
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}
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static char T[256] = { 0 };
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std::string base64_decode(const std::string &in)
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{
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std::string out;
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if (T[0] == 0)
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{
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for (int i = 0; i < 256; i++)
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T[i] = -1;
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for (int i = 0; i < 64; i++)
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T[(unsigned char)("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"[i])] = i;
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}
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unsigned val = 0, valb = -8;
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for (unsigned char c: in)
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{
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if (T[c] == -1)
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break;
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val = (val<<6) + T[c];
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valb += 6;
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if (valb>=0)
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{
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out.push_back(char((val>>valb)&0xFF));
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valb -= 8;
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}
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}
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return out;
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}
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