wgtpkg-install: choose the port

[src/app-framework-main.git] / src / wgtpkg-install.c

diff --git a/src/wgtpkg-install.c b/src/wgtpkg-install.c
index 836b136..22b8050 100644 (file)
--- a/src/wgtpkg-install.c
+++ b/src/wgtpkg-install.c
@@ -25,6 +25,8 @@
 #include <assert.h>
 #include <unistd.h>
 #include <stdio.h>
+#include <stdlib.h>
+#include <stdint.h>
 #include <sys/stat.h>
 
 #include "verbose.h"
@@ -40,12 +42,68 @@
 #include "secmgr-wrap.h"
 #include "utils-dir.h"
 #include "wgtpkg-unit.h"
+#include "utils-systemd.h"
+#include "utils-file.h"
 
 static const char* exec_type_strings[] = {
        "application/x-executable",
        "application/vnd.agl.native"
 };
 
+static const char key_http_port[] = "X-AFM--http-port";
+
+static int get_port_cb(void *closure, const char *name, const char *path, int isuser)
+{
+       char *iter;
+       char *content;
+       size_t length;
+       int rc, p;
+
+       /* reads the file */
+       rc = getfile(path, &content, &length);
+       if (rc < 0)
+               return rc;
+
+       /* process the file */
+       iter = strstr(content, key_http_port);
+       while (iter) {
+               iter += sizeof key_http_port - 1;
+               while(*iter && *iter != '=' && *iter != '\n')
+                       iter++;
+               if (*iter == '=') {
+                       while(*++iter == ' ');
+                       p = atoi(iter);
+                       if (p >= 0 && p < 32768)
+                               ((uint32_t*)closure)[p >> 5] |= (uint32_t)1 << (p & 31);
+               }
+               iter = strstr(iter, key_http_port);
+       }
+       free(content);
+       return 0;
+}
+
+static int get_port()
+{
+       int rc;
+       uint32_t ports[1024]; /* 1024 * 32 = 32768 */
+
+       memset(ports, 0, sizeof ports);
+       rc = systemd_unit_list(0, get_port_cb, &ports);
+       if (rc >= 0) {
+               rc = systemd_unit_list(1, get_port_cb, ports);
+               if (rc >= 0) {
+                       for (rc = 1024 ; rc < 32768 && !~ports[rc >> 5] ; rc += 32);
+                       if (rc == 32768) {
+                               errno = EADDRNOTAVAIL;
+                               rc = -1;
+                       } else {
+                               while (1 & (ports[rc >> 5] >> (rc & 31))) rc++;
+                       }
+               }
+       }
+       return rc;
+}
+
 static int check_defined(const void *data, const char *name)
 {
        if (data)
@@ -294,6 +352,7 @@ struct wgt_info *install_widget(const char *wgtfile, const char *root, int force
        struct wgt_info *ifo;
        const struct wgt_desc *desc;
        char installdir[PATH_MAX];
+       int port;
 
        NOTICE("-- INSTALLING widget %s to %s --", wgtfile, root);
 
@@ -334,7 +393,11 @@ struct wgt_info *install_widget(const char *wgtfile, const char *root, int force
        if (install_exec_flag(desc))
                goto error4;
 
-       if (unit_install(ifo, installdir, FWK_ICON_DIR, 1234/*TODO*/))
+       port = get_port();
+       if (port < 0)
+               goto error4;
+
+       if (unit_install(ifo, installdir, FWK_ICON_DIR, port))
                goto error4;
 
        file_reset();