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Diffstat (limited to 'Semestr 4/sieci/pracownia2/udp_client.c')
-rwxr-xr-xSemestr 4/sieci/pracownia2/udp_client.c33
1 files changed, 33 insertions, 0 deletions
diff --git a/Semestr 4/sieci/pracownia2/udp_client.c b/Semestr 4/sieci/pracownia2/udp_client.c
new file mode 100755
index 0000000..5624484
--- /dev/null
+++ b/Semestr 4/sieci/pracownia2/udp_client.c
@@ -0,0 +1,33 @@
+#include <netinet/ip.h>
+#include <arpa/inet.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <errno.h>
+
+int main()
+{
+ int sockfd = socket(AF_INET, SOCK_DGRAM, 0);
+ if (sockfd < 0) {
+ fprintf(stderr, "socket error: %s\n", strerror(errno));
+ return EXIT_FAILURE;
+ }
+
+ struct sockaddr_in server_address;
+ bzero (&server_address, sizeof(server_address));
+ server_address.sin_family = AF_INET;
+ server_address.sin_port = htons(54321);
+ inet_pton(AF_INET, "192.168.1.2", &server_address.sin_addr);
+
+ char* message = "Hello server!";
+ ssize_t message_len = strlen(message);
+ if (sendto(sockfd, message, message_len, 0, (struct sockaddr*) &server_address, sizeof(server_address)) != message_len) {
+ fprintf(stderr, "sendto error: %s\n", strerror(errno));
+ return EXIT_FAILURE;
+ }
+
+ close (sockfd);
+ return EXIT_SUCCESS;
+}
+