# HG changeset patch
# User Tero Marttila <terom@fixme.fi>
# Date 1235845313 -7200
# Node ID 9bbeace562695ed037df13af6b81d1df98283741
# Parent  3a70e5901f17d7be57dc553e3118c666c76f5d40
add some simple command-line options

diff -r 3a70e5901f17 -r 9bbeace56269 src/nexus.c
--- a/src/nexus.c	Sat Feb 28 19:58:49 2009 +0200
+++ b/src/nexus.c	Sat Feb 28 20:21:53 2009 +0200
@@ -1,12 +1,10 @@
 
 #include <stdlib.h>
-#include <unistd.h>
+#include <stdbool.h>
+#include <err.h>
 #include <stdio.h>
-#include <string.h>
-#include <event.h>
-#include <assert.h>
+#include <getopt.h>
 
-#include <err.h>
 #include <event2/event.h>
 
 #include "sock.h"
@@ -16,16 +14,64 @@
 #define CONNECT_SERV "6697"
 #define LINE_LENGTH 512
 
-void on_line (const char *line, void *arg) {
+static struct option options[] = {
+    {"help",            0,  NULL,   'h' },
+    {"hostname",        1,  NULL,   'H' },
+    {"port",            1,  NULL,   'P' },
+    {"ssl",             0,  NULL,   'S' },
+    {0,                 0,  0,      0   },
+};
+
+void usage (const char *exe) 
+{
+    printf("Usage: %s [OPTIONS]\n", exe);
+    printf("\n");
+    printf(" --help / -h            display this message\n");
+    printf(" --hostname / -H HOST   set hostname to connect to\n");
+    printf(" --port / -P PORT       set service port to connect to\n");
+    printf(" --ssl / -S             use SSL\n");
+}
+
+void on_line (const char *line, void *arg) 
+{
     printf("<<< %s\n", line);
 }
 
-int main (int argc, char **argv) {
+int main (int argc, char **argv) 
+{
+    int opt, option_index;
     struct event_base *ev_base;
     struct sock_stream *sock;
     struct line_proto *lp;
     struct error_info _err;
 
+    const char *hostname = CONNECT_HOST, *portname = CONNECT_SERV;
+    bool ssl = 0;
+    
+    // parse options
+    while ((opt = getopt_long(argc, argv, "hH:P:S", options, &option_index)) != -1) {
+        switch (opt) {
+            case 'h':
+                usage(argv[0]);
+                return EXIT_SUCCESS;
+
+            case 'H':
+                hostname = optarg;
+                break;
+            
+            case 'P':
+                portname = optarg;
+                break;
+
+            case 'S':
+                ssl = true;
+
+            case '?':
+                usage(argv[0]);
+                return EXIT_FAILURE;
+        }
+    }
+
     // initialize libevent
     if ((ev_base = event_base_new()) == NULL)
         err(1, "event_base_new");
@@ -35,8 +81,15 @@
         errx(1, "sock_init: %s", error_msg(&_err));
 
     // over-simplified connect
-    if (sock_ssl_connect(&sock, CONNECT_HOST, CONNECT_SERV, &_err))
-        errx(1, "sock_gnutls_connect: %s", error_msg(&_err));
+    if (ssl) {
+        if (sock_ssl_connect(&sock, hostname, portname, &_err))
+            errx(1, "sock_ssl_connect: %s", error_msg(&_err));
+
+    } else {
+        if (sock_tcp_connect(&sock, hostname, portname, &_err))
+            errx(1, "sock_tcp_connect: %s", error_msg(&_err));
+
+    }
 
     // line protocol, with safety margin for buffer
     if (line_proto_create(&lp, sock, LINE_LENGTH * 2, on_line, NULL, &_err))
diff -r 3a70e5901f17 -r 9bbeace56269 src/sock.h
--- a/src/sock.h	Sat Feb 28 19:58:49 2009 +0200
+++ b/src/sock.h	Sat Feb 28 20:21:53 2009 +0200
@@ -48,7 +48,7 @@
  * XXX: blocking
  * XXX: doesn't do any certificate verification.
  */
-err_t sock_gnutls_connect (struct sock_stream **sock_ptr, const char *host, const char *service, struct error_info *err);
+err_t sock_ssl_connect (struct sock_stream **sock_ptr, const char *host, const char *service, struct error_info *err);
 
 /*
  * The generic read/write API for stream sockets. These are mostly identical to the equivalent read/write syscalls, but