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-rw-r--r--UnixDomainSocketServer/server.c74
1 files changed, 74 insertions, 0 deletions
diff --git a/UnixDomainSocketServer/server.c b/UnixDomainSocketServer/server.c
new file mode 100644
index 0000000..7746b49
--- /dev/null
+++ b/UnixDomainSocketServer/server.c
@@ -0,0 +1,74 @@
+/* A simple server in the internet domain using TCP
+ The port number is passed as an argument */
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <sys/un.h>
+
+void error(const char *msg) {
+ perror(msg);
+ exit(1);
+}
+
+int main(int argc, char *argv[]) {
+ int sockfd, newsockfd;
+ socklen_t clilen;
+ char buffer[1024];
+ char ack[4];
+ struct sockaddr_un serv_addr, cli_addr;
+ int n;
+
+ sockfd = socket(AF_UNIX, SOCK_STREAM, 0);
+ if (sockfd < 0)
+ error("ERROR opening socket");
+
+ bzero((char *) &serv_addr, sizeof(serv_addr));
+
+ serv_addr.sun_family = AF_UNIX;
+ strcpy(serv_addr.sun_path, "/var/tmp/qt_c_socket_default");
+ unlink("/var/tmp/qt_c_socket_default");
+ if (bind(sockfd, (struct sockaddr *) &serv_addr, sizeof(serv_addr)) < 0)
+ error("ERROR on binding");
+
+ if (listen(sockfd, 5) == -1) {
+ error("ERROR on listen");
+ }
+
+ strcpy(ack,"ACK");
+
+ for (;;) {
+ int done;
+ printf("Waiting for a connection...\n");
+ clilen = sizeof(cli_addr);
+
+ newsockfd = accept(sockfd, (struct sockaddr *) &cli_addr, &clilen);
+ if (newsockfd < 0)
+ error("ERROR on accept");
+
+ printf("Connected.\n");
+ done = 0;
+
+ do {
+ bzero(buffer, 1024);
+ n = read(newsockfd, buffer, 1023);
+ if (n <= 0) {
+ if (n<0) error("ERROR reading from socket");
+ done = 1;
+ }
+ printf("Here is the message: \"%s\"\n", buffer);
+ if(!done) {
+ if (send(newsockfd, ack, sizeof(ack), 0) < 0) {
+ error("ERROR on send");
+ done = 1;
+ }
+ }
+ } while (!done);
+ close(newsockfd);
+ }
+
+ close(sockfd);
+ return 0;
+}