From 929473af86307cb76dcb75183094c56c9fce2939 Mon Sep 17 00:00:00 2001
From: laforge <laforge@99fdad57-331a-0410-800a-d7fa5415bdb3>
Date: Thu, 16 Aug 2007 04:25:26 +0000
Subject: Dynamic registration of unsolicited responses (Andrzej Zaborowski)

git-svn-id: http://svn.openmoko.org/trunk/src/target/gsm@2712 99fdad57-331a-0410-800a-d7fa5415bdb3
---
 src/gsmd/gsmd.c        |  2 ++
 src/gsmd/sms_cb.c      |  3 ++
 src/gsmd/unsolicited.c | 77 ++++++++++++++++++++++++++++++--------------------
 3 files changed, 51 insertions(+), 31 deletions(-)

(limited to 'src/gsmd')

diff --git a/src/gsmd/gsmd.c b/src/gsmd/gsmd.c
index 5e9b046..3d52eeb 100644
--- a/src/gsmd/gsmd.c
+++ b/src/gsmd/gsmd.c
@@ -477,6 +477,8 @@ int main(int argc, char **argv)
 	/* select a vendor plugin */
 	gsmd_vendor_plugin_find(&g);
 
+	unsolicited_init(&g);
+
 	if (g.interpreter_ready) {
 		gsmd_initsettings(&g);
 	
diff --git a/src/gsmd/sms_cb.c b/src/gsmd/sms_cb.c
index 9884bfb..630518f 100644
--- a/src/gsmd/sms_cb.c
+++ b/src/gsmd/sms_cb.c
@@ -315,6 +315,9 @@ int sms_cb_init(struct gsmd *gsmd)
 	struct gsmd_atcmd *atcmd;
 	char buffer[10];
 
+	unsolicited_register_array(gsm0705_unsolicit,
+			ARRAY_SIZE(gsm0705_unsolicit));
+
 	atcmd = atcmd_fill("AT+CSMS=0", 9 + 1, NULL, gsmd, 0);
 	if (!atcmd)
 		return -ENOMEM;
diff --git a/src/gsmd/unsolicited.c b/src/gsmd/unsolicited.c
index f9351d2..4bf4833 100644
--- a/src/gsmd/unsolicited.c
+++ b/src/gsmd/unsolicited.c
@@ -358,49 +358,31 @@ static const struct gsmd_unsolicit gsm0707_unsolicit[] = {
 	*/
 };
 
+static struct gsmd_unsolicit unsolicit[256] = {{ 0, 0 }};
+
 /* called by midlevel parser if a response seems unsolicited */
 int unsolicited_parse(struct gsmd *g, char *buf, int len, const char *param)
 {
-	int i, rc;
+	struct gsmd_unsolicit *i;
+	int rc;
 	struct gsmd_vendor_plugin *vpl = g->vendorpl;
 
-	/* call vendor-specific unsolicited code parser */
-	if (vpl && vpl->num_unsolicit) {
-		for (i = 0; i < vpl->num_unsolicit; i++) {
-			const char *colon;
-			if (strncmp(buf, vpl->unsolicit[i].prefix,
-				     strlen(vpl->unsolicit[i].prefix)))
-				continue;
-
-			colon = strchr(buf, ':') + 2;
-			if (colon > buf+len)
-				colon = NULL;
-
-			rc = vpl->unsolicit[i].parse(buf, len, colon, g);
-			if (rc < 0) 
-				gsmd_log(GSMD_ERROR, "error %d during parse of "
-					 "vendor unsolicied response `%s'\n",
-					 rc, buf);
-			return rc;
-		}
-	}
-
-	/* call generic unsolicited code parser */
-	for (i = 0; i < ARRAY_SIZE(gsm0707_unsolicit); i++) {
+	/* call unsolicited code parser */
+	for (i = unsolicit; i->prefix; i ++) {
 		const char *colon;
-		if (strncmp(buf, gsm0707_unsolicit[i].prefix,
-			     strlen(gsm0707_unsolicit[i].prefix)))
+		if (strncmp(buf, i->prefix, strlen(i->prefix)))
 			continue;
-		
+
 		colon = strchr(buf, ':') + 2;
 		if (colon > buf+len)
 			colon = NULL;
 
-		rc = gsm0707_unsolicit[i].parse(buf, len, colon, g);
+		rc = i->parse(buf, len, colon, g);
 		if (rc < 0) 
-			gsmd_log(GSMD_ERROR, "error %d during parse of "
-				 "unsolicied response `%s'\n", rc, buf);
-		return rc;
+			gsmd_log(GSMD_ERROR, "error %d during parsing of "
+				 "an unsolicied response `%s'\n",
+				 rc, buf);
+			return rc;
 	}
 
 	gsmd_log(GSMD_NOTICE, "no parser for unsolicited response `%s'\n", buf);
@@ -408,6 +390,39 @@ int unsolicited_parse(struct gsmd *g, char *buf, int len, const char *param)
 	return -ENOENT;
 }
 
+int unsolicited_register_array(const struct gsmd_unsolicit *arr, int len)
+{
+	int curlen = 0;
+
+	while (unsolicit[curlen ++].prefix);
+	if (len + curlen > ARRAY_SIZE(unsolicit))
+		return -ENOMEM;
+
+	/* Add at the beginning for overriding to be possible */
+	memmove(&unsolicit[len], unsolicit,
+			sizeof(struct gsmd_unsolicit) * curlen);
+	memcpy(unsolicit, arr,
+			sizeof(struct gsmd_unsolicit) * len);
+
+	return 0;
+}
+
+void unsolicited_init(struct gsmd *g)
+{
+	struct gsmd_vendor_plugin *vpl = g->vendorpl;
+
+	/* register generic unsolicited code parser */
+	unsolicited_register_array(gsm0707_unsolicit,
+			ARRAY_SIZE(gsm0707_unsolicit));
+
+	/* register vendor-specific unsolicited code parser */
+	if (vpl && vpl->num_unsolicit)
+		if (unsolicited_register_array(vpl->unsolicit,
+					vpl->num_unsolicit))
+			gsmd_log(GSMD_ERROR, "registering vendor-specific "
+					"unsolicited responses failed\n");
+}
+
 static unsigned int errors_creating_events[] = {
 	GSM0707_CME_PHONE_FAILURE,
 	GSM0707_CME_PHONE_NOCONNECT,
-- 
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