--- l2_test.c 2001/09/02 15:38:52 1.5
+++ l2_test.c 2001/09/03 13:43:33 1.6
@@ -30,67 +30,61 @@
#include <stdio.h>
#include "l2.h"
+static void die(char *fmt, ...)
+{
+ va_list ap;
+
+ va_start(ap, fmt);
+ fprintf(stderr, "l2_test:ERROR: ");
+ vfprintf(stderr, fmt, ap);
+ fprintf(stderr, "\n");
+ va_end(ap);
+ exit(1);
+}
+
int main(int argc, char *argv[])
- {
- l2_channel_t* log_channel_buf;
- l2_channel_t* log_channel_file;
- l2_stream_t* log_stream;
-
- /* Create the channel. */
-
- setbuf(stdout, 0);
- printf("Creating channel ... ");
- log_channel_buf = l2_channel_create(&l2_handler_buffer);
- log_channel_file = l2_channel_create(&l2_handler_file);
- if ((log_channel_buf == 0) || (log_channel_file == 0))
- {
- fprintf(stderr, "Can't create my log channels!\n");
- return 1;
- }
- printf("done\n");
-
- l2_channel_configure(log_channel_buf, "size", 100);
- l2_channel_configure(log_channel_file, "path", "myfilelog", "append",\
- TRUE, "perm", 0x644);
-
- l2_channel_open(log_channel_buf);
- l2_channel_open(log_channel_file);
-
- /* Create the stream and attach the channel to it. */
-
- printf("Creating stream ... ");
- log_stream = l2_stream_create();
- if (log_stream == 0)
- {
- fprintf(stderr, "Can't create my log stream!\n");
- return 1;
- }
- printf("done\n");
- printf("Attaching channel to stream ... ");
- if (!l2_stream_channel(log_stream, log_channel_buf, -1))
- {
- fprintf(stderr, "Can't attach buffer channel to log stream!\n");
- return 1;
- }
- if (!l2_stream_channel(log_stream, log_channel_file, -1))
- {
- fprintf(stderr, "Can't attach file channel to log stream!\n");
- return 1;
- }
- printf("done\n");
-
- /* Log an example message. */
-
- printf("Writing log message ... ");
- l2_stream_log(log_stream, -1, "%cstream = 0x%lx, channel = 0x%lx%c\n", '"',\
- log_stream, log_channel_buf, '"');
- printf("done\n");
-
- /* Clean up. */
-
- printf("Destroying stream ... ");
- l2_stream_destroy(log_stream);
- printf("done\n");
+{
+ l2_channel_t *chBuf;
+ l2_channel_t *chFile;
+ l2_stream_t *st;
+
+ /*
+ * Typical steps to use a buffered file logging stream
+ */
+
+ if ((chBuf = l2_channel_create(&l2_handler_buffer)) == NULL)
+ die("failed to create buffer channel");
+
+ if ((chFile = l2_channel_create(&l2_handler_file)) == NULL)
+ die("failed to create file channel");
+
+ if (l2_channel_configure(chBuf, "size", 100) != L2_OK)
+ die("failed to configure buffer channel");
+
+ if (l2_channel_configure(chFile, "path,append,perm", "l2_test.log", TRUE, 0644) != L2_OK)
+ die("failed to configure file channel");
+
+ if (l2_channel_stack(chFile, chBuf) != L2_OK)
+ die("failed to stack buffer channel on top of file channel");
+
+ if (l2_channel_open(chBuf) != L2_OK)
+ die("failed to open buffer channel");
+
+ if ((st = l2_stream_create()) == NULL)
+ die("failed to create stream");
+
+ if (l2_stream_channel(st, chBuf, L2_LEVEL_UPTO(L2_LEVEL_WARNING)) != L2_OK)
+ die("failed to attach channel into stream");
+
+ if (l2_stream_levels(st, L2_LEVEL_UPTO(L2_LEVEL_WARNING), NULL) != L2_OK)
+ die("failed to set global logging level");
+
+ if (l2_stream_log(st, L2_LEVEL_PANIC, "test %s", "foo") != L2_OK)
+ die("failed to log message to stream");
+
+ if (l2_stream_destroy(st) != L2_OK)
+ die("failed to destroy stream");
return 0;
- }
+}
+
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