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author | Romain Forlot <romain.forlot@iot.bzh> | 2017-05-19 16:20:02 +0200 |
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committer | Romain Forlot <romain.forlot@iot.bzh> | 2017-05-19 16:20:02 +0200 |
commit | 2d574dc77f68ecb5150016989900860e8b74be50 (patch) | |
tree | d691a8345a58dcd080131c58d028f77df51a45ed /CAN-binder/libs/nanopb/examples/network_server/common.c | |
parent | 48a2605965af1f05ba7f01f6e8c1758a4c9b0522 (diff) | |
parent | 278ffb890e3d8722e4c7d824baaf221a1e375fc4 (diff) |
Add 'CAN-binder/libs/nanopb/' from commit '278ffb890e3d8722e4c7d824baaf221a1e375fc4'
git-subtree-dir: CAN-binder/libs/nanopb
git-subtree-mainline: 48a2605965af1f05ba7f01f6e8c1758a4c9b0522
git-subtree-split: 278ffb890e3d8722e4c7d824baaf221a1e375fc4
Diffstat (limited to 'CAN-binder/libs/nanopb/examples/network_server/common.c')
-rw-r--r-- | CAN-binder/libs/nanopb/examples/network_server/common.c | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/CAN-binder/libs/nanopb/examples/network_server/common.c b/CAN-binder/libs/nanopb/examples/network_server/common.c new file mode 100644 index 0000000..04a5aa8 --- /dev/null +++ b/CAN-binder/libs/nanopb/examples/network_server/common.c @@ -0,0 +1,40 @@ +/* Simple binding of nanopb streams to TCP sockets. + */ + +#include <sys/socket.h> +#include <sys/types.h> +#include <pb_encode.h> +#include <pb_decode.h> + +#include "common.h" + +static bool write_callback(pb_ostream_t *stream, const uint8_t *buf, size_t count) +{ + int fd = (intptr_t)stream->state; + return send(fd, buf, count, 0) == count; +} + +static bool read_callback(pb_istream_t *stream, uint8_t *buf, size_t count) +{ + int fd = (intptr_t)stream->state; + int result; + + result = recv(fd, buf, count, MSG_WAITALL); + + if (result == 0) + stream->bytes_left = 0; /* EOF */ + + return result == count; +} + +pb_ostream_t pb_ostream_from_socket(int fd) +{ + pb_ostream_t stream = {&write_callback, (void*)(intptr_t)fd, SIZE_MAX, 0}; + return stream; +} + +pb_istream_t pb_istream_from_socket(int fd) +{ + pb_istream_t stream = {&read_callback, (void*)(intptr_t)fd, SIZE_MAX}; + return stream; +} |