From d0e707a48e0d4c194edb5d809ed7305aa1e460d4 Mon Sep 17 00:00:00 2001
From: Eric House <eehouse@eehouse.org>
Date: Thu, 16 Sep 2010 20:13:24 -0700
Subject: [PATCH] get started with test/cmdline app to query relay's new proxy
 interface.

---
 xwords4/relay/.gitignore |  1 +
 xwords4/relay/Makefile   |  4 +-
 xwords4/relay/rq.c       | 95 ++++++++++++++++++++++++++++++++++++++++
 3 files changed, 99 insertions(+), 1 deletion(-)
 create mode 100644 xwords4/relay/rq.c

diff --git a/xwords4/relay/.gitignore b/xwords4/relay/.gitignore
index 3e2659444..67cc22994 100644
--- a/xwords4/relay/.gitignore
+++ b/xwords4/relay/.gitignore
@@ -1,4 +1,5 @@
 *.o
+rq
 core
 core.*
 xwrelay.log*
diff --git a/xwords4/relay/Makefile b/xwords4/relay/Makefile
index 7f196a004..b30821e05 100644
--- a/xwords4/relay/Makefile
+++ b/xwords4/relay/Makefile
@@ -48,10 +48,12 @@ CPPFLAGS += -DSPAWN_SELF -DDO_HTTP -g -Wall \
 # turn on semaphore debugging
 # CPPFLAGS += -DDEBUG_LOCKS
 
-memdebug all: xwrelay
+memdebug all: xwrelay rq
 
 xwrelay: $(OBJ)
 
+rq: rq.c
+
 clean:
 	rm -f xwrelay $(OBJ)
 
diff --git a/xwords4/relay/rq.c b/xwords4/relay/rq.c
new file mode 100644
index 000000000..a5188f258
--- /dev/null
+++ b/xwords4/relay/rq.c
@@ -0,0 +1,95 @@
+/* -*-mode: C; fill-column: 78; c-basic-offset: 4; -*- */
+
+/* 
+ * Copyright 2010 by Eric House (xwords@eehouse.org).  All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <string.h>
+#include <arpa/inet.h>
+#include <netdb.h>
+#include <errno.h>
+
+#ifndef DEFAULT_PORT
+# define DEFAULT_PORT 10998
+#endif
+#ifndef DEFAULT_HOST
+# define DEFAULT_HOST "localhost"
+#endif
+
+static void
+usage( const char * const argv0 )
+{
+    fprintf( stderr, "usage: %s \\\n", argv0 );
+    fprintf( stderr, "\t[-p <port>]     # (default %d)\\\n", DEFAULT_PORT );
+    fprintf( stderr, "\t[-a <host>]     # (default: %s)\\\n", DEFAULT_HOST );
+    exit( 1 );
+}
+
+
+int
+main( int argc, char * const argv[] )
+{
+    int port = DEFAULT_PORT;
+    const char* host = DEFAULT_HOST;
+
+    for ( ; ; ) {
+        int opt = getopt( argc, argv, "a:p:" );
+        if ( opt < 0 ) {
+            break;
+        }
+        switch ( opt ) {
+        case 'a':
+            host = optarg;
+            break;
+        case 'p':
+            port = atoi(optarg);
+            break;
+        default:
+            usage( argv[0] );
+            break;
+        }
+    }
+
+    fprintf( stderr, "got port %d, host %s\n", port, host );
+
+
+    int sockfd = socket( AF_INET, SOCK_STREAM, 0 );
+    struct sockaddr_in to_sock;
+    memset( &to_sock, 0, sizeof(to_sock) );
+    to_sock.sin_family = AF_INET;
+    to_sock.sin_port = htons( port );
+
+    struct hostent* hostip;
+    hostip = gethostbyname( host );
+    memcpy( &(to_sock.sin_addr.s_addr), hostip->h_addr_list[0],  
+            sizeof(hostip->h_addr_list[0] ) );
+
+    if ( 0 != connect( sockfd, (const struct sockaddr*)&to_sock, 
+                       sizeof(to_sock) ) ) {
+        fprintf( stderr, "connect failed: %d (%s)\n", errno, strerror(errno) );
+        exit( 1 );
+    }
+
+    close( sockfd );
+
+    return 0;
+}