Imported Upstream version 7.2.2upstream/7.2.2

1 files changed, 61 insertions, 0 deletions

diff --git a/tests/minitcpsrvr.c b/tests/minitcpsrvr.c
new file mode 100644
index 0000000..76dae0a
--- /dev/null
+++ b/tests/minitcpsrvr.c
@@ -0,0 +1,61 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <arpa/inet.h>
+
+static void
+errout(char *reason)
+{
+	perror(reason);
+	exit(1);
+}
+
+int
+main(int argc, char *argv[])
+{
+	int fds;
+	int fdc;
+	int fdf;
+	struct sockaddr_in srvAddr;
+	struct sockaddr_in cliAddr;
+	unsigned int srvAddrLen; 
+	unsigned int cliAddrLen;
+	char wrkBuf[4096];
+	ssize_t nRead;
+
+	if(argc != 4) {
+		fprintf(stderr, "usage: minitcpsrvr ip-addr port outfile\n");
+		exit(1);
+	}
+
+	if(!strcmp(argv[3], "-")) {
+		fdf = 1;
+	} else {
+		fdf = open(argv[3], O_WRONLY | O_CREAT | O_TRUNC, S_IRUSR|S_IWUSR);
+		if(fdf == -1) errout(argv[3]);
+	}
+
+	fds = socket(AF_INET, SOCK_STREAM, 0);
+	srvAddr.sin_family = AF_INET;
+	srvAddr.sin_addr.s_addr = inet_addr(argv[1]);
+	srvAddr.sin_port = htons(atoi(argv[2]));
+	srvAddrLen = sizeof(srvAddr);
+	if(bind(fds, (struct sockaddr *)&srvAddr, srvAddrLen) != 0)
+		errout("bind");
+	if(listen(fds, 20) != 0) errout("listen");
+	cliAddrLen = sizeof(cliAddr);
+
+	fdc = accept(fds, (struct sockaddr *)&cliAddr, &cliAddrLen);
+	while(1) {       
+		nRead = read(fdc, wrkBuf, sizeof(wrkBuf));
+		if(nRead == 0) break;
+		if(write(fdf, wrkBuf, nRead) != nRead)
+			errout("write");
+	}
+	/* let the OS do the cleanup */
+	return 0;
+}