Implementation of re #1202 (PJLIB System Information API) on iPhone OS.

git-svn-id: http://svn.pjsip.org/repos/pjproject/trunk@3428 74dad513-b988-da41-8d7b-12977e46ad98

2 files changed, 104 insertions, 16 deletions

diff --git a/pjlib/src/pj/os_info.c b/pjlib/src/pj/os_info.c
index a10a95ce..9f810a56 100644
--- a/pjlib/src/pj/os_info.c
+++ b/pjlib/src/pj/os_info.c
@@ -47,11 +47,19 @@
 #   include <windows.h>
 #endif
 
+#if defined(PJ_DARWINOS) && PJ_DARWINOS != 0
+#   include "TargetConditionals.h"
+#endif
 
 #ifndef PJ_SYS_INFO_BUFFER_SIZE
 #   define PJ_SYS_INFO_BUFFER_SIZE	64
 #endif
 
+
+#if defined(PJ_DARWINOS) && PJ_DARWINOS != 0 && TARGET_OS_IPHONE
+    void pj_iphone_os_get_sys_info(pj_sys_info *si, pj_str_t *si_buffer);
+#endif
+
 static char *ver_info(pj_uint32_t ver, char *buf)
 {
     int len;
@@ -78,6 +86,31 @@ static char *ver_info(pj_uint32_t ver, char *buf)
     return buf;
 }
 
+static pj_uint32_t parse_version(char *str)
+{
+    char *tok;
+    int i, maxtok;
+    pj_uint32_t version = 0;
+    
+    while (*str && !pj_isdigit(*str))
+	str++;
+
+    maxtok = 4;
+    for (tok = strtok(str, ".-"), i=0; tok && i<maxtok;
+	 ++i, tok=strtok(NULL, ".-"))
+    {
+	int n;
+
+	if (!pj_isdigit(*tok))
+	    break;
+	
+	n = atoi(tok);
+	version |= (n << ((3-i)*8));
+    }
+    
+    return version;
+}
+
 PJ_DEF(const pj_sys_info*) pj_get_sys_info(void)
 {
     static char si_buffer[PJ_SYS_INFO_BUFFER_SIZE];
@@ -105,10 +138,29 @@ PJ_DEF(const pj_sys_info*) pj_get_sys_info(void)
      * Machine and OS info.
      */
 #if defined(PJ_HAS_UNAME) && PJ_HAS_UNAME
+    #if defined(PJ_DARWINOS) && PJ_DARWINOS != 0 && TARGET_OS_IPHONE
+    {
+	pj_str_t buf = {si_buffer + PJ_SYS_INFO_BUFFER_SIZE - left, left};
+	pj_str_t machine = {"arm", 3};
+	pj_str_t sdk_name = {"iOS-SDK", 7};
+	char tmp[PJ_SYS_INFO_BUFFER_SIZE];
+	
+	pj_iphone_os_get_sys_info(&si, &buf);
+	left -= si.os_name.slen + 1;
+
+	si.os_ver = parse_version(si.machine.ptr);
+	
+	si.machine = machine;
+	si.sdk_name = sdk_name;
+
+#ifdef PJ_SDK_NAME
+	pj_memcpy(tmp, PJ_SDK_NAME, pj_ansi_strlen(PJ_SDK_NAME) + 1);
+	si.sdk_ver = parse_version(tmp);
+#endif
+    }
+    #else    
     {
 	struct utsname u;
-	char *tok;
-	int i, maxtok;
 
 	/* Successful uname() returns zero on Linux and positive value
 	 * on OpenSolaris.
@@ -118,21 +170,10 @@ PJ_DEF(const pj_sys_info*) pj_get_sys_info(void)
 
 	ALLOC_CP_STR(u.machine, machine);
 	ALLOC_CP_STR(u.sysname, os_name);
-
-	maxtok = 4;
-	for (tok = strtok(u.release, ".-"), i=0;
-	     tok && i<maxtok;
-	     ++i, tok=strtok(NULL, ".-"))
-	{
-	    int n;
-
-	    if (!pj_isdigit(*tok))
-		break;
-
-	    n = atoi(tok);
-	    si.os_ver |= (n << ((3-i)*8));
-	}
+	
+	si.os_ver = parse_version(u.release);
     }
+    #endif
 #elif defined(_MSC_VER)
     {
 	OSVERSIONINFO ovi;
diff --git a/pjlib/src/pj/os_info_iphone.m b/pjlib/src/pj/os_info_iphone.m
new file mode 100644
index 00000000..39d9b89b
--- /dev/null
+++ b/pjlib/src/pj/os_info_iphone.m
@@ -0,0 +1,47 @@
+/* $Id$ */
+/* 
+ * Copyright (C) 2008-2009 Teluu Inc. (http://www.teluu.com)
+ * Copyright (C) 2003-2008 Benny Prijono <benny@prijono.org>
+ *
+ * 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 <pj/os.h>
+#include <pj/string.h>
+
+#include <UIKit/UIDevice.h>
+
+void pj_iphone_os_get_sys_info(pj_sys_info *si, pj_str_t *si_buffer)
+{
+    unsigned buf_len = si_buffer->slen, left = si_buffer->slen, len;
+    UIDevice *device = [UIDevice currentDevice];
+    
+    if ([device respondsToSelector:@selector(isMultitaskingSupported)])
+	si->flags |= PJ_SYS_HAS_IOS_BG;
+    
+#define ALLOC_CP_STR(str,field)	\
+    do { \
+	len = [str length]; \
+	if (len && left >= len+1) { \
+	    si->field.ptr = si_buffer->ptr + buf_len - left; \
+	    si->field.slen = len; \
+	    [str getCString:si->field.ptr maxLength:len+1 \
+		 encoding:NSASCIIStringEncoding]; \
+	    left -= (len+1); \
+	} \
+    } while (0)
+
+    ALLOC_CP_STR([device systemName], os_name);
+    ALLOC_CP_STR([device systemVersion], machine);
+}