configure the docroot and index page globally.

Signed-off-by: Jianhui Zhao <zhaojh329@gmail.com>

example/example.c

@@ -32,8 +32,6 @@
 #include "uhttpd.h"
 
 static bool serve_file = false;
-static const char *docroot = ".";
-static const char *index_page = "index.html";
 
 static void default_handler(struct uh_connection *conn, int event)
 {
@@ -56,7 +54,7 @@ static void default_handler(struct uh_connection *conn, int event)
         conn->chunk_end(conn);
         conn->done(conn);
     } else {
-        conn->serve_file(conn, docroot, index_page);
+        conn->serve_file(conn);
     }
 }
 
@@ -126,12 +124,14 @@ static void signal_cb(struct ev_loop *loop, ev_signal *w, int revents)
 static void usage(const char *prog)
 {
     fprintf(stderr, "Usage: %s [option]\n"
-            "          -a addr  # Default addr is localhost\n"
-            "          -p port  # Default port is 8080\n"
-            "          -s       # SSl on\n"
-            "          -f       # Serve file\n"
-            "          -P       # plugin path\n"
-            "          -v       # verbose\n", prog);
+            "          -h docroot     # Document root, default is .\n"
+            "          -i index_page  # Index page, default is index.html\n"
+            "          -a addr        # Default addr is localhost\n"
+            "          -p port        # Default port is 8080\n"
+            "          -s             # SSl on\n"
+            "          -f             # Serve file\n"
+            "          -P             # plugin path\n"
+            "          -v             # verbose\n", prog);
     exit(1);
 }
 
@@ -143,12 +143,20 @@ int main(int argc, char **argv)
     const char *plugin_path = NULL;
     bool verbose = false;
     bool ssl = false;
+    const char *docroot = ".";
+    const char *index_page = "index.html";
     const char *addr = "localhost";
     int port = 8080;
     int opt;
 
-    while ((opt = getopt(argc, argv, "a:p:sfP:v")) != -1) {
+    while ((opt = getopt(argc, argv, "h:i:a:p:sfP:v")) != -1) {
         switch (opt) {
+        case 'h':
+            docroot = optarg;
+            break;
+        case 'i':
+            index_page = optarg;
+            break;
         case 'a':
             addr = optarg;
             break;
@@ -188,6 +196,9 @@ int main(int argc, char **argv)
         goto err;
 #endif
 
+    srv->set_docroot(srv, docroot);
+    srv->set_index_page(srv, index_page);
+
     srv->default_handler = default_handler;
 
     srv->add_path_handler(srv, "/upload", upload_handler);

src/connection.h

@@ -114,7 +114,7 @@ struct uh_connection {
     void (*send_head)(struct uh_connection *conn, int code, int content_length, const char *extra_headers);
     void (*error)(struct uh_connection *conn, int code, const char *reason);
     void (*redirect)(struct uh_connection *conn, int code, const char *location, ...);
-    void (*serve_file)(struct uh_connection *conn, const char *docroot, const char *index_page);
+    void (*serve_file)(struct uh_connection *conn);
     void (*chunk_send)(struct uh_connection *conn, const void *data, ssize_t len);
     void (*chunk_printf)(struct uh_connection *conn, const char *format, ...);
     void (*chunk_vprintf)(struct uh_connection *conn, const char *format, va_list arg);

src/file.c

@@ -35,8 +35,8 @@
 #include <fcntl.h>
 #include <inttypes.h>
 
-#include "connection.h"
 #include "mimetypes.h"
+#include "uhttpd.h"
 #include "log.h"
 
 static const char *file_mktag(struct stat *s, char *buf, int len)
@@ -152,9 +152,12 @@ static void file_if_gzip(struct uh_connection *conn, const char *path, const cha
     conn->printf(conn, "Content-Encoding: gzip\r\n");
 }
 
-void serve_file(struct uh_connection *conn, const char *docroot, const char *index_page)
+void serve_file(struct uh_connection *conn)
 {
     const struct uh_str path = conn->get_path(conn);
+    struct uh_server *srv = conn->srv;
+    const char *docroot = srv->docroot;
+    const char *index_page = srv->index_page;
     static char fullpath[512];
     const char *mime;
     struct stat st;

src/file.h

@@ -27,6 +27,6 @@
 
 #include "connection.h"
 
-void serve_file(struct uh_connection *conn, const char *docroot, const char *index_page);
+void serve_file(struct uh_connection *conn);
 
 #endif

src/uhttpd.c

@@ -53,6 +53,12 @@ static void uh_server_free(struct uh_server *srv)
     if (srv->sock > 0)
         close(srv->sock);
 
+    if (srv->docroot)
+        free(srv->docroot);
+
+    if (srv->index_page)
+        free(srv->index_page);
+
     while (conn) {
         struct uh_connection *next = conn->next;
         conn_free(conn);
@@ -218,6 +224,34 @@ static int uh_add_path_handler(struct uh_server *srv, const char *path, uh_path_
     return 0;
 }
 
+static int uh_set_docroot(struct uh_server *srv, const char *path)
+{
+    if (srv->docroot)
+        free(srv->docroot);
+
+    srv->docroot = strdup(path);
+    if (!srv->docroot) {
+        uh_log_err("strdup: %s\n", strerror(errno));
+        return -1;
+    }
+
+    return 0;
+}
+
+static int uh_set_index_page(struct uh_server *srv, const char *name)
+{
+    if (srv->index_page)
+        free(srv->index_page);
+
+    srv->index_page = strdup(name);
+    if (!srv->index_page) {
+        uh_log_err("strdup: %s\n", strerror(errno));
+        return -1;
+    }
+
+    return 0;
+}
+
 int uh_server_init(struct uh_server *srv, struct ev_loop *loop, const char *host, int port)
 {
     union {
@@ -306,6 +340,9 @@ int uh_server_init(struct uh_server *srv, struct ev_loop *loop, const char *host
 
     srv->add_path_handler = uh_add_path_handler;
 
+    srv->set_docroot = uh_set_docroot;
+    srv->set_index_page = uh_set_index_page;
+
     ev_io_init(&srv->ior, uh_accept_cb, sock, EV_READ);
     ev_io_start(srv->loop, &srv->ior);
 

src/uhttpd.h

@@ -58,6 +58,8 @@ struct uh_path_handler {
 
 struct uh_server {
     int sock;
+    char *docroot;
+    char *index_page;
     struct ev_loop *loop;
     struct ev_io ior;
     struct uh_connection *conns;
@@ -71,6 +73,8 @@ struct uh_server {
     int (*load_plugin)(struct uh_server *srv, const char *path);
     struct uh_path_handler *handlers;
     int (*add_path_handler)(struct uh_server *srv, const char *path, uh_path_handler_prototype handler);
+    int (*set_docroot)(struct uh_server *srv, const char *path);
+    int (*set_index_page)(struct uh_server *srv, const char *name);
 };
 
 /*