\hypertarget{ecore_fd_handler_example_8c-example}{}\doxysection{ecore\+\_\+fd\+\_\+handler\+\_\+example.\+c}
This example shows how to setup and use an fd\+\_\+handler. See \mbox{\hyperlink{ecore_fd_handler_example_c}{the explanation here}}.


\begin{DoxyCodeInclude}{0}
\DoxyCodeLine{\textcolor{comment}{/*}}
\DoxyCodeLine{\textcolor{comment}{ * gcc -\/o ecore\_fd\_handler\_example ecore\_fd\_handler\_example.c `pkg-\/config -\/-\/cflags -\/-\/libs ecore`}}
\DoxyCodeLine{\textcolor{comment}{ */}}
\DoxyCodeLine{}
\DoxyCodeLine{\textcolor{preprocessor}{\#include <Ecore.h>}}
\DoxyCodeLine{\textcolor{preprocessor}{\#include <unistd.h>}}
\DoxyCodeLine{}
\DoxyCodeLine{\textcolor{keyword}{struct }context}
\DoxyCodeLine{\{}
\DoxyCodeLine{   \mbox{\hyperlink{group__Ecore__FD__Handler__Group_ga225121ed2123da4b52b76aa08d78c220}{Ecore\_Fd\_Handler}} *handler;}
\DoxyCodeLine{   \mbox{\hyperlink{group__Ecore__Timer__Group_gaf96ffb609956658ec038e54bd39f46f0}{Ecore\_Timer}}      *timer;}
\DoxyCodeLine{\};}
\DoxyCodeLine{}
\DoxyCodeLine{\textcolor{keyword}{static} \textcolor{keywordtype}{void}}
\DoxyCodeLine{\_fd\_prepare\_cb(\textcolor{keywordtype}{void} *data \mbox{\hyperlink{group__Eina__Types__Group_ga82d751be730f849719ca292f9558be87}{EINA\_UNUSED}}, \mbox{\hyperlink{group__Ecore__FD__Handler__Group_ga225121ed2123da4b52b76aa08d78c220}{Ecore\_Fd\_Handler}} *handler \mbox{\hyperlink{group__Eina__Types__Group_ga82d751be730f849719ca292f9558be87}{EINA\_UNUSED}})}
\DoxyCodeLine{\{}
\DoxyCodeLine{   printf(\textcolor{stringliteral}{"{}prepare\_cb called.\(\backslash\)n"{}});}
\DoxyCodeLine{\}}
\DoxyCodeLine{}
\DoxyCodeLine{\textcolor{keyword}{static} \mbox{\hyperlink{group__Eina__Types__Group_ga3fe0caf72e93b1bab1ca8ee3ccf3f226}{Eina\_Bool}}}
\DoxyCodeLine{\_fd\_handler\_cb(\textcolor{keywordtype}{void} *data, \mbox{\hyperlink{group__Ecore__FD__Handler__Group_ga225121ed2123da4b52b76aa08d78c220}{Ecore\_Fd\_Handler}} *handler)}
\DoxyCodeLine{\{}
\DoxyCodeLine{   \textcolor{keyword}{struct }context *ctxt = data;}
\DoxyCodeLine{   \textcolor{keywordtype}{char} buf[1024];}
\DoxyCodeLine{   \textcolor{keywordtype}{size\_t} nbytes;}
\DoxyCodeLine{   \textcolor{keywordtype}{int} fd;}
\DoxyCodeLine{}
\DoxyCodeLine{   \textcolor{keywordflow}{if} (\mbox{\hyperlink{group__Ecore__FD__Handler__Group_gabd3040bd39c95723e42a8c48484b87de}{ecore\_main\_fd\_handler\_active\_get}}(handler, \mbox{\hyperlink{group__Ecore__FD__Handler__Group_ggab5644f471dfa3bd182619601d9b60608a829d91235e3ca5eba61330c96a8074de}{ECORE\_FD\_ERROR}}))}
\DoxyCodeLine{     \{}
\DoxyCodeLine{        printf(\textcolor{stringliteral}{"{}An error has occurred. Stop watching this fd and quit.\(\backslash\)n"{}});}
\DoxyCodeLine{        \mbox{\hyperlink{group__Ecore__Main__Loop__Group_ga95cf8e97dff0716433c2c5474d606a98}{ecore\_main\_loop\_quit}}();}
\DoxyCodeLine{        ctxt-\/>handler = NULL;}
\DoxyCodeLine{        \textcolor{keywordflow}{return} \mbox{\hyperlink{group__Ecore__Main__Loop__Group_gae0c653baad8836232c0dc27f91f875d6}{ECORE\_CALLBACK\_CANCEL}};}
\DoxyCodeLine{     \}}
\DoxyCodeLine{}
\DoxyCodeLine{   fd = \mbox{\hyperlink{group__Ecore__FD__Handler__Group_ga70d418717552a5258c7dfc1153250e7d}{ecore\_main\_fd\_handler\_fd\_get}}(handler);}
\DoxyCodeLine{   nbytes = read(fd, buf, \textcolor{keyword}{sizeof}(buf));}
\DoxyCodeLine{   \textcolor{keywordflow}{if} (nbytes == 0)}
\DoxyCodeLine{     \{}
\DoxyCodeLine{        printf(\textcolor{stringliteral}{"{}Nothing to read, exiting...\(\backslash\)n"{}});}
\DoxyCodeLine{        \mbox{\hyperlink{group__Ecore__Main__Loop__Group_ga95cf8e97dff0716433c2c5474d606a98}{ecore\_main\_loop\_quit}}();}
\DoxyCodeLine{        ctxt-\/>handler = NULL;}
\DoxyCodeLine{        \textcolor{keywordflow}{return} \mbox{\hyperlink{group__Ecore__Main__Loop__Group_gae0c653baad8836232c0dc27f91f875d6}{ECORE\_CALLBACK\_CANCEL}};}
\DoxyCodeLine{     \}}
\DoxyCodeLine{   buf[nbytes -\/ 1] = \textcolor{charliteral}{'\(\backslash\)0'};}
\DoxyCodeLine{}
\DoxyCodeLine{   printf(\textcolor{stringliteral}{"{}Read \%zd bytes from input: \(\backslash\)"{}\%s\(\backslash\)"{}\(\backslash\)n"{}}, nbytes -\/ 1, buf);}
\DoxyCodeLine{}
\DoxyCodeLine{   \textcolor{keywordflow}{return} \mbox{\hyperlink{group__Ecore__Main__Loop__Group_ga1ee9db07f9a46a8b20fb83e1c6dbed09}{ECORE\_CALLBACK\_RENEW}};}
\DoxyCodeLine{\}}
\DoxyCodeLine{}
\DoxyCodeLine{\textcolor{keyword}{static} \mbox{\hyperlink{group__Eina__Types__Group_ga3fe0caf72e93b1bab1ca8ee3ccf3f226}{Eina\_Bool}}}
\DoxyCodeLine{\_timer\_cb(\textcolor{keywordtype}{void} *data \mbox{\hyperlink{group__Eina__Types__Group_ga82d751be730f849719ca292f9558be87}{EINA\_UNUSED}})}
\DoxyCodeLine{\{}
\DoxyCodeLine{   printf(\textcolor{stringliteral}{"{}Timer expired after 5 seconds...\(\backslash\)n"{}});}
\DoxyCodeLine{}
\DoxyCodeLine{   \textcolor{keywordflow}{return} \mbox{\hyperlink{group__Ecore__Main__Loop__Group_ga1ee9db07f9a46a8b20fb83e1c6dbed09}{ECORE\_CALLBACK\_RENEW}};}
\DoxyCodeLine{\}}
\DoxyCodeLine{}
\DoxyCodeLine{\textcolor{keywordtype}{int}}
\DoxyCodeLine{main(\textcolor{keywordtype}{void})}
\DoxyCodeLine{\{}
\DoxyCodeLine{   \textcolor{keyword}{struct }context ctxt = \{0\};}
\DoxyCodeLine{}
\DoxyCodeLine{   \textcolor{keywordflow}{if} (!\mbox{\hyperlink{group__Ecore__Init__Group_ga77757609684a2c922dc5ec398274751b}{ecore\_init}}())}
\DoxyCodeLine{     \{}
\DoxyCodeLine{        printf(\textcolor{stringliteral}{"{}ERROR: Cannot init Ecore!\(\backslash\)n"{}});}
\DoxyCodeLine{        \textcolor{keywordflow}{return} -\/1;}
\DoxyCodeLine{     \}}
\DoxyCodeLine{}
\DoxyCodeLine{   ctxt.handler = \mbox{\hyperlink{group__Ecore__FD__Handler__Group_gaf8483e27f0c9fd4a2a7c97fa5539a55f}{ecore\_main\_fd\_handler\_add}}(STDIN\_FILENO,}
\DoxyCodeLine{                                            \mbox{\hyperlink{group__Ecore__FD__Handler__Group_ggab5644f471dfa3bd182619601d9b60608a1699f804eccf88e7e169a4a20f1d44e7}{ECORE\_FD\_READ}} | \mbox{\hyperlink{group__Ecore__FD__Handler__Group_ggab5644f471dfa3bd182619601d9b60608a829d91235e3ca5eba61330c96a8074de}{ECORE\_FD\_ERROR}},}
\DoxyCodeLine{                                            \_fd\_handler\_cb,}
\DoxyCodeLine{                                            \&ctxt, NULL, NULL);}
\DoxyCodeLine{   \mbox{\hyperlink{group__Ecore__FD__Handler__Group_ga072d1719e94e56639abcd385f7cbc692}{ecore\_main\_fd\_handler\_prepare\_callback\_set}}(ctxt.handler, \_fd\_prepare\_cb, \&ctxt);}
\DoxyCodeLine{   ctxt.timer = \mbox{\hyperlink{group__Ecore__Timer__Group_ga926423e464d7ef71105dd822d90e1187}{ecore\_timer\_add}}(5, \_timer\_cb, \&ctxt);}
\DoxyCodeLine{}
\DoxyCodeLine{   printf(\textcolor{stringliteral}{"{}Starting the main loop. Type anything and hit <enter> to "{}}}
\DoxyCodeLine{          \textcolor{stringliteral}{"{}activate the fd\_handler callback, or CTRL+d to shutdown.\(\backslash\)n"{}});}
\DoxyCodeLine{}
\DoxyCodeLine{   \mbox{\hyperlink{group__Ecore__Main__Loop__Group_gaf103b9f668bb3e4fed12e52c6180132d}{ecore\_main\_loop\_begin}}();}
\DoxyCodeLine{}
\DoxyCodeLine{   \textcolor{keywordflow}{if} (ctxt.handler)}
\DoxyCodeLine{     \mbox{\hyperlink{group__Ecore__FD__Handler__Group_ga259d711cf297b5c2c9dc223005fec583}{ecore\_main\_fd\_handler\_del}}(ctxt.handler);}
\DoxyCodeLine{}
\DoxyCodeLine{   \textcolor{keywordflow}{if} (ctxt.timer)}
\DoxyCodeLine{     \mbox{\hyperlink{group__Ecore__Timer__Group_ga7c118b6a6d232b63a6500e599d2a1b47}{ecore\_timer\_del}}(ctxt.timer);}
\DoxyCodeLine{}
\DoxyCodeLine{   \mbox{\hyperlink{group__Ecore__Init__Group_ga768298b932f18d7e7593a447493e5cde}{ecore\_shutdown}}();}
\DoxyCodeLine{}
\DoxyCodeLine{   \textcolor{keywordflow}{return} 0;}
\DoxyCodeLine{\}}
\DoxyCodeLine{}

\end{DoxyCodeInclude}
 