Add crash logger

src/main_server.c

@@ -1,5 +1,6 @@
 #ifdef BUILD_SERVER
 
+#include <time.h>
 #include <string.h>
 
 #ifdef _WIN32
@@ -10,19 +11,49 @@
 #define POLL poll
 #endif
 
+#include "crash_logger.h"
 #include "chunk_server.h"
 #include "metadata_server.h"
 
 int metadata_server_main(int argc, char **argv)
 {
+    {
+        time_t now = time(NULL);
+        struct tm unpacked_now;
+#ifdef _WIN32
+        if (gmtime_s(&unpacked_now, &now) != 0)
+            return -1;
+#else
+        if (gmtime_r(&now, &unpacked_now) == NULL)
+            return -1;
+#endif
+
+        char time[sizeof("YYYYMMDDthhmmssz")];
+        int ret = strftime(time, sizeof(time),
+            "%Y%m%dT%H%M%SZ", &unpacked_now);
+        if (ret != sizeof(time)-1)
+            return -1;
+
+        char path[1<<10];
+        ret = snprintf(path, sizeof(path), "crash_%s_MS_%d.txt", time, getpid());
+        if (ret < 0 || ret >= (int) sizeof(path)) {
+            return -1;
+        }
+        int path_len = ret;
+
+        crash_logger_init(path, path_len);
+    }
+
     void *contexts[TCP_POLL_CAPACITY];
     struct pollfd polled[TCP_POLL_CAPACITY];
     int num_polled;
     int timeout = -1;
+
     MetadataServer state;
     num_polled = metadata_server_init(
         &state, argc, argv, contexts, polled, &timeout);
     if (num_polled < 0) return -1;
+
     for (;;) {
         POLL(polled, num_polled, timeout);
 
@@ -32,19 +63,49 @@ int metadata_server_main(int argc, char **argv)
         if (num_polled < 0) return -1;
     }
     metadata_server_free(&state);
+    crash_logger_free();
     return 0;
 }
 
 int chunk_server_main(int argc, char **argv)
 {
+    {
+        time_t now = time(NULL);
+        struct tm unpacked_now;
+#ifdef _WIN32
+        if (gmtime_s(&unpacked_now, &now) != 0)
+            return -1;
+#else
+        if (gmtime_r(&now, &unpacked_now) == NULL)
+            return -1;
+#endif
+
+        char time[sizeof("YYYYMMDDthhmmssz")];
+        int ret = strftime(time, sizeof(time),
+            "%Y%m%dT%H%M%SZ", &unpacked_now);
+        if (ret != sizeof(time)-1)
+            return -1;
+
+        char path[1<<10];
+        ret = snprintf(path, sizeof(path), "crash_%s_CS_%d.txt", time, getpid());
+        if (ret < 0 || ret >= (int) sizeof(path)) {
+            return -1;
+        }
+        int path_len = ret;
+
+        crash_logger_init(path, path_len);
+    }
+
     void *contexts[TCP_POLL_CAPACITY];
     struct pollfd polled[TCP_POLL_CAPACITY];
     int num_polled;
     int timeout = -1;
+
     ChunkServer state;
     num_polled = chunk_server_init(
         &state, argc, argv, contexts, polled, &timeout);
     if (num_polled < 0) return -1;
+
     for (;;) {
 
         POLL(polled, num_polled, timeout);
@@ -54,7 +115,9 @@ int chunk_server_main(int argc, char **argv)
             &state, contexts, polled, num_polled, &timeout);
         if (num_polled < 0) return -1;
     }
+
     chunk_server_free(&state);
+    crash_logger_free();
     return 0;
 }