Linux installation Protobuf Tutorial + example (verbose)

(. pb.h:9:42:fatal error:google/protobuf/stubs/common.h:no such file or directory

Look at this, you should know that the header file is not found, then you can use the-i parameter of g++:
-i/usr/local/lib/protobuf/include to command g++ to find the header file under/usr/local/lib/protobuf
The above/usr/local/lib/protobuf/is the installation address of my protobuf, please replace it with your

) 1 You can download the PROTOBUF source code on the website http://code.google.com/p/protobuf/downloads/list. Then unzip the installation to use it. The installation steps are as follows: Tar-xzf protobuf-2.1.0.tar.gz CD protobuf-2.1.0./configure--prefix=/usr/local/protobuf make make check ma Ke install 2 > sudo vim/etc/profile add export path= $PATH:/usr/local/protobuf/bin/export pkg_config_path=/usr/local/p rotobuf/lib/pkgconfig/Save Execution Source/etc/profile
Also add the above two lines of code in ~/.profile, otherwise the login user cannot find the PROTOC command
3 > Configuring the Dynamic link library path sudo vim/etc/ld.so.conf insert:/usr/local/protobuf/lib
4 > Su #root permissions ldconfig

5> Write message file: Msg.proto

1. Package LM;
2. Message HelloWorld
3. {
4. Required Int32 id = 1; Id
5. Required String str = 2; Str
6. Optional int32 opt = 3; Optional field
7. }

Map the message file Msg.proto to the CPP file protoc-i=. --cpp_out=. Msg.proto can see that msg.pb.h and msg.pb.cc are generated.
6> the process of writing serialized messages write.cc

2. #include "Msg.pb.h"
4. #include <fstream>
6. #include <iostream>
8. using namespace Std;
12. int main (void)
14. {
18. Lm::helloworld MSG1;
20. MSG1.SET_ID (101);
22. Msg1.set_str ("Hello");
24. FStream output ("./log", Ios::out | ios::trunc | ios::binary);
28. if (!MSG1. Serializetoostream (&output)) {
30. Cerr << "Failed to write Msg." << Endl;
32. return-1;
34. }
36. return 0;
38. }

Compile write.cc g++ msg.pb.cc write.cc-o write ' pkg-config--cflags--libs protobuf '-lpthread execute write./write, you can see that the log was generated File
7> writes the deserialization process reader.cc

2. #include "Msg.pb.h"
4. #include <fstream>
6. #include <iostream>
8. using namespace Std;
12. void listmsg (const Lm::helloworld & msg) {
14. cout << msg.id () << Endl;
16. cout << msg.str () << Endl;
18. }
22. int main (int argc, char* argv[]) {
26. Lm::helloworld MSG1;
30. {
32. FStream input ("./log", Ios::in | ios::binary);
34. if (!MSG1. Parsefromistream (&input)) {
36. Cerr << "Failed to the parse address Book." << Endl;
38. return-1;
40. }
42. }
46. Listmsg (MSG1);
48. }

Compile: g++ msg.pb.cc reader.cc-o reader ' pkg-config--cflags--libs protobuf '-lpthread execute./reader output: 101hello

8> Write Makefile file

1. All:write Reader
3. Clean
4. Rm-f Write reader msg.*.cc msg.*.h *.O Log
6. Proto_msg:
7. Protoc--cpp_out=. Msg.proto
10. write:msg.pb.cc write.cc
11. g++ msg.pb.cc write.cc-o write ' pkg-config--cflags--libs protobuf '
13. reader:msg.pb.cc reader.cc
14. g++ msg.pb.cc reader.cc-o reader ' pkg-config--cflags--libs protobuf '

Linux installation Protobuf Tutorial + example (verbose)