From 9285b403d9fa15b1fb4aff43af5bfcfc1b7649d9 Mon Sep 17 00:00:00 2001
From: roberto <none@none>
Date: Sun, 5 Sep 2010 12:47:21 +0200
Subject: [PATCH] SNMP test

---
 snmp.c         | 46 ++++++++++++++++++++++++++++++++++++++++++++++
 uwsgi.c        |  1 +
 uwsgiconfig.py |  2 +-
 3 files changed, 48 insertions(+), 1 deletion(-)

diff --git a/snmp.c b/snmp.c
index bae8532a..a808ca42 100644
--- a/snmp.c
+++ b/snmp.c
@@ -55,6 +55,9 @@ void manage_snmp(int fd, uint8_t * buffer, int size, struct sockaddr_in *client_
 		return;
 	ptr++;
 
+#ifdef UWSGI_DEBUG
+	uwsgi_debug("SNMP packet size: %d\n", size);
+#endif
 
 
 
@@ -68,6 +71,9 @@ void manage_snmp(int fd, uint8_t * buffer, int size, struct sockaddr_in *client_
 		return;
 	ptr += ptrdelta;
 
+#ifdef UWSGI_DEBUG
+	uwsgi_debug("SNMP version: %d\n", version);
+#endif
 
 
 
@@ -90,11 +96,16 @@ void manage_snmp(int fd, uint8_t * buffer, int size, struct sockaddr_in *client_
 	if (memcmp(ptr, uwsgi.shared->snmp_community, community_len))
 		return;
 
+#ifdef UWSGI_DEBUG
+	uwsgi_debug("SNMP community: %.*s\n", community_len, ptr);
+#endif
+
 	ptr += community_len;
 
 	// check for get request
 	if (*ptr != SNMP_GET)
 		return;
+
 	*ptr = SNMP_RES;
 	ptr++;
 	seq1 = ptr;
@@ -110,20 +121,32 @@ void manage_snmp(int fd, uint8_t * buffer, int size, struct sockaddr_in *client_
 	if (*ptr != SNMP_INTEGER)
 		return;
 	ptr++;
+
+uwsgi_log("oops %p\n", ptr);
 	ptrdelta = get_snmp_integer(ptr, &request_id);
+uwsgi_log("oops %p\n", ptr);
 
 
 	if (ptrdelta <= 0)
 		return;
 
+#ifdef UWSGI_DEBUG
+	uwsgi_debug("SNMP request id: %d %p\n", request_id, ptr);
+#endif
+
 	// check here
 	if (ptr + ptrdelta >= buffer + size)
 		return;
 	ptr += ptrdelta;
 
+uwsgi_log("oops %d %p\n", ptrdelta, ptr);
+
 	// get error
 	if (*ptr != SNMP_INTEGER)
 		return;
+
+uwsgi_log("oops 2\n");
+
 	ptr++;
 	ptrdelta = get_snmp_integer(ptr, &snmp_int);
 	if (ptrdelta <= 0)
@@ -132,6 +155,10 @@ void manage_snmp(int fd, uint8_t * buffer, int size, struct sockaddr_in *client_
 		return;
 	if (snmp_int != 0)
 		return;
+
+#ifdef UWSGI_DEBUG
+	uwsgi_debug("SNMP int [0]: %d\n", snmp_int);
+#endif
 	ptr += ptrdelta;
 
 	// get index
@@ -148,6 +175,10 @@ void manage_snmp(int fd, uint8_t * buffer, int size, struct sockaddr_in *client_
 		return;
 	ptr += ptrdelta;
 
+#ifdef UWSGI_DEBUG
+	uwsgi_debug("SNMP int [1]: %d\n", snmp_int);
+#endif
+
 	// check for sequence
 	if (*ptr != SNMP_SEQUENCE)
 		return;
@@ -173,6 +204,10 @@ void manage_snmp(int fd, uint8_t * buffer, int size, struct sockaddr_in *client_
 	seq3 = ptr;
 	ptr++;
 
+#ifdef UWSGI_DEBUG
+	uwsgi_debug("SNMP ASN len: %d\n", asnlen);
+#endif
+
 	// is it an OID ?
 	if (*ptr != SNMP_OID)
 		return;
@@ -253,17 +288,28 @@ static int get_snmp_integer(uint8_t * ptr, uint64_t * val) {
 	if (tlen > 4)
 		return -1;
 
+#ifdef UWSGI_DEBUG
+	uwsgi_debug("SNMP get integer TLEN %d\n", tlen);
+#endif
 
 	j = 0;
 #ifdef __BIG_ENDIAN__
 	for (i = 0; i < tlen; i++) {
 #else
 	for (i = tlen - 1; i >= 0; i--) {
+#ifdef UWSGI_DEBUG
+	uwsgi_debug("SNMP get integer iter %d %p\n", i, ptr);
+#endif
+		
 #endif
 		val[j] = ptr[1 + i];
 		j++;
 	}
 
+#ifdef UWSGI_DEBUG
+	uwsgi_debug("SNMP get integer iter %d %p\n", i, ptr);
+#endif
+
 	return tlen + 1;
 }
 
diff --git a/uwsgi.c b/uwsgi.c
index e5197efe..cc4e78c9 100644
--- a/uwsgi.c
+++ b/uwsgi.c
@@ -1386,6 +1386,7 @@ int main(int argc, char *argv[], char *envp[]) {
 #ifdef UWSGI_SNMP
 								else if (uwsgi.wsgi_req->buffer[0] == 0x30 && uwsgi.snmp) {
 									manage_snmp(uwsgi_poll.fd, (uint8_t *) uwsgi.wsgi_req->buffer, rlen, &udp_client);
+									uwsgi_log("done\n");
 								}
 #endif
 								else {
diff --git a/uwsgiconfig.py b/uwsgiconfig.py
index 81297477..e4a86a11 100644
--- a/uwsgiconfig.py
+++ b/uwsgiconfig.py
@@ -28,7 +28,7 @@ STACKLESS=False
 PLUGINS = []
 USWALLOW=False
 UNBIT=False
-DEBUG=False
+DEBUG=True
 EMBED_PLUGINS=True
 UWSGI_BIN_NAME = 'uwsgi'
 UWSGI_PLUGIN_DIR = '.'