mem: add rpm cli param for selecting allocator

Author: razvancrainea

main.c

@@ -108,6 +108,7 @@
 #include "globals.h"
 #include "mem/mem.h"
 #include "mem/shm_mem.h"
+#include "mem/rpm_mem.h"
 #include "sr_module.h"
 #include "timer.h"
 #include "ipc.h"
@@ -962,6 +963,13 @@ int main(int argc, char** argv)
 						goto error00;
 					}
 					break;
+			case 'e':
+					if (set_rpm_mm(optarg) < 0) {
+						LM_ERR("current build does not support "
+						       "this allocator (-e %s)\n", optarg);
+						goto error00;
+					}
+					break;
 		}
 	}
 
@@ -1011,6 +1019,7 @@ int main(int argc, char** argv)
 			case 'a':
 			case 'k':
 			case 's':
+			case 'e':
 					/* ignoring, parsed previously */
 					break;
 			case 'b':

mem/rpm_mem.c

@@ -39,6 +39,20 @@ enum osips_mm mem_allocator_rpm = MM_NONE;
 unsigned long rpm_mem_size = 0;
 char *rpm_mem_file = RESTART_PERSISTENCY_MEM_FILE;
 
+int set_rpm_mm(const char *mm_name)
+{
+#ifdef INLINE_ALLOC
+	LM_NOTICE("this is an inlined allocator build (see opensips -V), "
+	          "cannot set a custom rpm allocator (%s)\n", mm_name);
+	return 0;
+#endif
+
+	if (parse_mm(mm_name, &mem_allocator_rpm) < 0)
+		return -1;
+
+	return 0;
+}
+
 #ifndef INLINE_ALLOC
 #ifdef DBG_MALLOC
 void *(*gen_rpm_malloc)(void *blk, unsigned long size,