1 files changed, 67 insertions, 0 deletions
diff --git a/minirecv.c b/minirecv.c
new file mode 100644
index 0000000..bba373a
--- /dev/null
+++ b/minirecv.c
@@ -0,0 +1,67 @@
+#include "common.h"
+#include <arpa/inet.h>
+#include <poll.h>
+#include <sys/socket.h>
+#include <unistd.h>
+#include <errno.h>
+
+int main(void)
+{
+    int serverfd, clientfd;
+    int on = 1;
+
+    const struct sockaddr_in address = {
+        AF_INET,
+        htons(9999),
+        {0},
+    };
+
+    serverfd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
+    setsockopt(serverfd, SOL_SOCKET, SO_REUSEADDR, (char *)&on, sizeof(on));
+    if (bind(serverfd, (struct sockaddr *)&address, sizeof(address)))
+        return 1;
+
+    listen(serverfd, 256);
+
+    writef("serverfd: %d\n", serverfd);
+    clientfd = accept(serverfd, 0, 0);
+    writef("clientfd: %d\n", clientfd);
+
+    struct pollfd fds[1] = {
+        {clientfd, POLLIN, 0},
+    };
+
+    for (;;) {
+        int ret = poll(fds, 1, 50000);
+        if (ret == -1)
+            return 2;
+
+        if (fds[0].revents & POLLIN) {
+            int nrecv;
+
+            char buf[20];
+            
+            nrecv = recv(clientfd, buf, sizeof(buf), 0);
+            printf("received %d bytes\n", nrecv);
+            nrecv = recv(clientfd, buf, sizeof(buf), 0);
+            printf("received %d bytes\n", nrecv);
+            nrecv = recv(clientfd, buf, sizeof(buf), 0);
+            printf("received %d bytes\n", nrecv);
+
+            return 3;
+
+            if (nrecv == -1) {
+                return errno;
+            } else if (nrecv == 0) {
+                writef("Disconnect.\n");
+                fds[0].fd = -1;
+                fds[0].revents = 0;
+                close(clientfd);
+            } 
+
+            writef("received: %d bytes\n", nrecv);
+        }
+    }
+
+    return 0;
+}