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-rw-r--r--CAN-binder/libs/nanopb/examples/network_server/server.c158
1 files changed, 0 insertions, 158 deletions
diff --git a/CAN-binder/libs/nanopb/examples/network_server/server.c b/CAN-binder/libs/nanopb/examples/network_server/server.c
deleted file mode 100644
index 46a5f38..0000000
--- a/CAN-binder/libs/nanopb/examples/network_server/server.c
+++ /dev/null
@@ -1,158 +0,0 @@
-/* This is a simple TCP server that listens on port 1234 and provides lists
- * of files to clients, using a protocol defined in file_server.proto.
- *
- * It directly deserializes and serializes messages from network, minimizing
- * memory use.
- *
- * For flexibility, this example is implemented using posix api.
- * In a real embedded system you would typically use some other kind of
- * a communication and filesystem layer.
- */
-
-#include <sys/socket.h>
-#include <sys/types.h>
-#include <netinet/in.h>
-#include <unistd.h>
-#include <dirent.h>
-#include <stdio.h>
-#include <string.h>
-
-#include <pb_encode.h>
-#include <pb_decode.h>
-
-#include "fileproto.pb.h"
-#include "common.h"
-
-/* This callback function will be called once during the encoding.
- * It will write out any number of FileInfo entries, without consuming unnecessary memory.
- * This is accomplished by fetching the filenames one at a time and encoding them
- * immediately.
- */
-bool listdir_callback(pb_ostream_t *stream, const pb_field_t *field, void * const *arg)
-{
- DIR *dir = (DIR*) *arg;
- struct dirent *file;
- FileInfo fileinfo = {};
-
- while ((file = readdir(dir)) != NULL)
- {
- fileinfo.inode = file->d_ino;
- strncpy(fileinfo.name, file->d_name, sizeof(fileinfo.name));
- fileinfo.name[sizeof(fileinfo.name) - 1] = '\0';
-
- /* This encodes the header for the field, based on the constant info
- * from pb_field_t. */
- if (!pb_encode_tag_for_field(stream, field))
- return false;
-
- /* This encodes the data for the field, based on our FileInfo structure. */
- if (!pb_encode_submessage(stream, FileInfo_fields, &fileinfo))
- return false;
- }
-
- return true;
-}
-
-/* Handle one arriving client connection.
- * Clients are expected to send a ListFilesRequest, terminated by a '0'.
- * Server will respond with a ListFilesResponse message.
- */
-void handle_connection(int connfd)
-{
- DIR *directory = NULL;
-
- /* Decode the message from the client and open the requested directory. */
- {
- ListFilesRequest request = {};
- pb_istream_t input = pb_istream_from_socket(connfd);
-
- if (!pb_decode(&input, ListFilesRequest_fields, &request))
- {
- printf("Decode failed: %s\n", PB_GET_ERROR(&input));
- return;
- }
-
- directory = opendir(request.path);
- printf("Listing directory: %s\n", request.path);
- }
-
- /* List the files in the directory and transmit the response to client */
- {
- ListFilesResponse response = {};
- pb_ostream_t output = pb_ostream_from_socket(connfd);
-
- if (directory == NULL)
- {
- perror("opendir");
-
- /* Directory was not found, transmit error status */
- response.has_path_error = true;
- response.path_error = true;
- response.file.funcs.encode = NULL;
- }
- else
- {
- /* Directory was found, transmit filenames */
- response.has_path_error = false;
- response.file.funcs.encode = &listdir_callback;
- response.file.arg = directory;
- }
-
- if (!pb_encode(&output, ListFilesResponse_fields, &response))
- {
- printf("Encoding failed: %s\n", PB_GET_ERROR(&output));
- }
- }
-
- if (directory != NULL)
- closedir(directory);
-}
-
-int main(int argc, char **argv)
-{
- int listenfd, connfd;
- struct sockaddr_in servaddr;
- int reuse = 1;
-
- /* Listen on localhost:1234 for TCP connections */
- listenfd = socket(AF_INET, SOCK_STREAM, 0);
- setsockopt(listenfd, SOL_SOCKET, SO_REUSEADDR, &reuse, sizeof(reuse));
-
- memset(&servaddr, 0, sizeof(servaddr));
- servaddr.sin_family = AF_INET;
- servaddr.sin_addr.s_addr = htonl(INADDR_LOOPBACK);
- servaddr.sin_port = htons(1234);
- if (bind(listenfd, (struct sockaddr*)&servaddr, sizeof(servaddr)) != 0)
- {
- perror("bind");
- return 1;
- }
-
- if (listen(listenfd, 5) != 0)
- {
- perror("listen");
- return 1;
- }
-
- for(;;)
- {
- /* Wait for a client */
- connfd = accept(listenfd, NULL, NULL);
-
- if (connfd < 0)
- {
- perror("accept");
- return 1;
- }
-
- printf("Got connection.\n");
-
- handle_connection(connfd);
-
- printf("Closing connection.\n");
-
- close(connfd);
- }
-
- return 0;
-}