Index: ossp-pkg/l2/l2_ch_syslog.c
RCS File: /v/ossp/cvs/ossp-pkg/l2/l2_ch_syslog.c,v
rcsdiff -q -kk '-r1.6' '-r1.7' -u '/v/ossp/cvs/ossp-pkg/l2/l2_ch_syslog.c,v' 2>/dev/null
--- l2_ch_syslog.c	2001/08/15 10:36:03	1.6
+++ l2_ch_syslog.c	2001/08/25 18:27:48	1.7
@@ -32,42 +32,137 @@
 
 #include <syslog.h>
 
+/* declare private channel configuration */
+typedef struct {
+    int iEtwas;
+    char *pszNada;
+} l2_ch_syslog_t;
+
+/* create channel */
 static int hook_create(l2_context_t *ctx)
 {
+    l2_ch_syslog_t *cfg;
+
+    /* allocate private channel configuration */
+
+    /* initialize configuration with reasonable defaults */
+
+    /* link private channel configuration into channel context */
+
     return L2_OK;
 }
 
+/* configure channel */
 static int hook_configure(l2_context_t *ctx, const char *fmt, va_list ap)
 {
-    return L2_OK;
+    l2_ch_syslog_t *cfg;
+    l2_param_t pa[3]; 
+    l2_result_t rv;
+
+    /* parameter checks */
+    if ((cfg = (l2_ch_syslog_t *)ctx->vp) == NULL)
+        return L2_ERROR;
+
+    /* feed and call generic parameter parsing engine */
+    L2_PARAM_SET(pa[0], iEtwas,   CHARPTR, &cfg->iEtwas);
+    L2_PARAM_SET(pa[1], pszNada, INT,     &cfg->pszNada);
+    L2_PARAM_END(pa[2]);
+    rv = l2_channel_setparams(pa, fmt, ap);
+
+    return rv;
 }
 
+/* open channel */
 static int hook_open(l2_context_t *ctx, l2_channel_t *downstream)
 {
+    l2_ch_syslog_t *cfg;
+
+    /* parameter checks */
+    if ((cfg = (l2_ch_syslog_t *)ctx->vp) == NULL)
+        return L2_ERROR;
+    if (cfg->pszNada == NULL) /* ATTENTION */
+        return L2_ERROR;
+
+    /* open channel syslog */
+
+    /* optionally open downstream channel, too */
+    if (downstream != NULL)
+        if (l2_channel_open(downstream) == L2_ERROR)
+            return L2_ERROR;
+
     return L2_OK;
 }
 
-static int hook_write(l2_context_t *ctx, l2_channel_t *downstream,
+/* write to channel */
+static int hook_write(l2_context_t *ctx, l2_channel_t *downstream, 
                       const char *buf, size_t buf_size)
 {
+    l2_ch_syslog_t *cfg;
+
+    /* parameter checks */
+    if ((cfg = (l2_ch_syslog_t *)ctx->vp) == NULL)
+        return L2_ERROR;
+
+    /* write message to channel syslog */
+
+    /* optionally write to downstream channel, too */
+    if (downstream != NULL)
+        if (l2_channel_write(downstream, buf, buf_size) == L2_ERROR)
+            return L2_ERROR;
+
     return L2_OK;
 }
 
+/* flush channel */
 static int hook_flush(l2_context_t *ctx, l2_channel_t *downstream)
 {
+    l2_ch_syslog_t *cfg;
+
+    /* parameter checks */
+    if ((cfg = (l2_ch_syslog_t *)ctx->vp) == NULL)
+        return L2_ERROR;
+
+    /* optionally flush downstream channel, too */
+    if (downstream != NULL)
+        if (l2_channel_flush(downstream) == L2_ERROR)
+            return L2_ERROR;
+
     return L2_OK;
 }
 
+/* close channel */
 static int hook_close(l2_context_t *ctx, l2_channel_t *downstream)
 {
+    l2_ch_syslog_t *cfg;
+
+    /* optionally close downstream channel, too */
+    if (downstream != NULL)
+        if (l2_channel_close(downstream) == L2_ERROR)
+            return L2_ERROR;
+
+    /* parameter checks */
+    if ((cfg = (l2_ch_syslog_t *)ctx->vp) == NULL)
+        return L2_ERROR;
+
+    /* close channel syslog */
+
     return L2_OK;
 }
 
+/* destroy channel */
 static int hook_destroy(l2_context_t *ctx)
 {
+    /* parameter checks */
+    if (ctx->vp == NULL) 
+        return L2_ERROR;
+
+    /* destroy channel configuration */
+    free(ctx->vp);
+
     return L2_OK;
 }
 
+/* exported channel handler structure */
 l2_handler_t l2_handler_syslog = {
     hook_create,
     hook_configure,