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-rw-r--r--CAN-binder/libs/nanopb/examples/network_server/client.c142
1 files changed, 0 insertions, 142 deletions
diff --git a/CAN-binder/libs/nanopb/examples/network_server/client.c b/CAN-binder/libs/nanopb/examples/network_server/client.c
deleted file mode 100644
index 00f6dab..0000000
--- a/CAN-binder/libs/nanopb/examples/network_server/client.c
+++ /dev/null
@@ -1,142 +0,0 @@
-/* This is a simple TCP client that connects to port 1234 and prints a list
- * of files in a given directory.
- *
- * 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 for each filename received
- * from the server. The filenames will be printed out immediately, so that
- * no memory has to be allocated for them.
- */
-bool printfile_callback(pb_istream_t *stream, const pb_field_t *field, void **arg)
-{
- FileInfo fileinfo = {};
-
- if (!pb_decode(stream, FileInfo_fields, &fileinfo))
- return false;
-
- printf("%-10lld %s\n", (long long)fileinfo.inode, fileinfo.name);
-
- return true;
-}
-
-/* This function sends a request to socket 'fd' to list the files in
- * directory given in 'path'. The results received from server will
- * be printed to stdout.
- */
-bool listdir(int fd, char *path)
-{
- /* Construct and send the request to server */
- {
- ListFilesRequest request = {};
- pb_ostream_t output = pb_ostream_from_socket(fd);
- uint8_t zero = 0;
-
- /* In our protocol, path is optional. If it is not given,
- * the server will list the root directory. */
- if (path == NULL)
- {
- request.has_path = false;
- }
- else
- {
- request.has_path = true;
- if (strlen(path) + 1 > sizeof(request.path))
- {
- fprintf(stderr, "Too long path.\n");
- return false;
- }
-
- strcpy(request.path, path);
- }
-
- /* Encode the request. It is written to the socket immediately
- * through our custom stream. */
- if (!pb_encode(&output, ListFilesRequest_fields, &request))
- {
- fprintf(stderr, "Encoding failed: %s\n", PB_GET_ERROR(&output));
- return false;
- }
-
- /* We signal the end of request with a 0 tag. */
- pb_write(&output, &zero, 1);
- }
-
- /* Read back the response from server */
- {
- ListFilesResponse response = {};
- pb_istream_t input = pb_istream_from_socket(fd);
-
- /* Give a pointer to our callback function, which will handle the
- * filenames as they arrive. */
- response.file.funcs.decode = &printfile_callback;
-
- if (!pb_decode(&input, ListFilesResponse_fields, &response))
- {
- fprintf(stderr, "Decode failed: %s\n", PB_GET_ERROR(&input));
- return false;
- }
-
- /* If the message from server decodes properly, but directory was
- * not found on server side, we get path_error == true. */
- if (response.path_error)
- {
- fprintf(stderr, "Server reported error.\n");
- return false;
- }
- }
-
- return true;
-}
-
-int main(int argc, char **argv)
-{
- int sockfd;
- struct sockaddr_in servaddr;
- char *path = NULL;
-
- if (argc > 1)
- path = argv[1];
-
- sockfd = socket(AF_INET, SOCK_STREAM, 0);
-
- /* Connect to server running on localhost:1234 */
- memset(&servaddr, 0, sizeof(servaddr));
- servaddr.sin_family = AF_INET;
- servaddr.sin_addr.s_addr = htonl(INADDR_LOOPBACK);
- servaddr.sin_port = htons(1234);
-
- if (connect(sockfd, (struct sockaddr *)&servaddr, sizeof(servaddr)) != 0)
- {
- perror("connect");
- return 1;
- }
-
- /* Send the directory listing request */
- if (!listdir(sockfd, path))
- return 2;
-
- /* Close connection */
- close(sockfd);
-
- return 0;
-}