atd

commit d9f3212b7770973e6ad6d5744b4098dda197ccd0
parent 729035bda27181f0bbfab09964ca7505f8cda77e
Author: Nihal Jere <nihal@nihaljere.xyz>
Date:   Wed, 11 Aug 2021 14:22:08 -0500

add sms events event, and sms delivered status

Diffstat:
M
atd.h
 | 
6
++++++
M
encdec.c
 | 
62
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
M
encdec.h
 | 
3
+++

3 files changed, 71 insertions(+), 0 deletions(-)
diff --git a/atd.h b/atd.h
@@ -14,6 +14,7 @@ enum ops {
     CMD_ANSWER,
     CMD_HANGUP,
     CMD_CALL_EVENTS,
+    CMD_SMS_EVENTS,
     CMD_SUBMIT,
 };
 
@@ -31,6 +32,7 @@ enum status {
 	STATUS_OK = 1,
 	STATUS_ERROR,
 	STATUS_CALL,
+	STATUS_DELIVERED,
 };
 
 enum atcmd {
@@ -63,6 +65,10 @@ struct call {
 	char num[PHONE_NUMBER_MAX_LEN + 1];
 };
 
+struct sms {
+	char num[PHONE_NUMBER_MAX_LEN + 1];
+	char *msg;
+};
 
 /* should have at most 256 things */
 enum type {
diff --git a/encdec.c b/encdec.c
@@ -110,6 +110,13 @@ atd_cmd_call_events(int fd)
 }
 
 int
+atd_cmd_sms_events(int fd)
+{
+    char buf = CMD_SMS_EVENTS;
+    return xwrite(fd, &buf, 1);
+}
+
+int
 atd_cmd_submit(int fd, char *num, char *msg)
 {
     size_t len = strlen(num) + strlen(msg) + 5; // 5 = op + length + length
@@ -122,6 +129,22 @@ atd_cmd_submit(int fd, char *num, char *msg)
 }
 
 int
+atd_status_delivered(int fd, char *num, char *msg)
+{
+	if (strlen(num) > PHONE_NUMBER_MAX_LEN)
+		return -1;
+
+    size_t len = strlen(num) + strlen(msg) + 5; // 5 = op + length + length
+    char buf[len];
+    buf[0] = STATUS_DELIVERED;
+
+    enc_str(buf + 1, num);
+    enc_str(buf + 3 + strlen(num), msg);
+
+    return xwrite(fd, buf, len);
+}
+
+int
 atd_status_call(int fd, enum callstatus status, char *num)
 {
     char buf[4 + strlen(num)];
@@ -167,3 +190,42 @@ dec_call_status(int fd, struct call *call)
 
     return 0;
 }
+
+int
+dec_sms_status(int fd, struct sms *sms)
+{
+    char status = 0;
+    unsigned short len = 0;
+    ssize_t ret;
+    char buf[PHONE_NUMBER_MAX_LEN];
+
+    ret = xread(fd, buf, 2);
+    if (ret == -1)
+        return -1;
+
+    len = dec_short(buf);
+    if (len > PHONE_NUMBER_MAX_LEN || len == 0)
+        return -1;
+
+    ret = xread(fd, sms->num, len);
+    if (ret == -1)
+        return -1;
+
+    ret = xread(fd, buf, 2);
+    if (ret == -1)
+        return -1;
+
+    len = dec_short(buf);
+    if (len == 0)
+        return 0; // XXX should we accept empty messages?
+
+    sms->msg = calloc(1, len);
+    if (sms->msg == NULL)
+    	return -1;
+
+    ret = xread(fd, sms->msg, len);
+    if (ret == -1)
+        return -1;
+
+    return 0;
+}
diff --git a/encdec.h b/encdec.h
@@ -2,9 +2,12 @@ int atd_cmd_dial(int fd, char *num);
 int atd_cmd_hangup(int fd);
 int atd_cmd_answer(int fd);
 int atd_cmd_call_events(int fd);
+int atd_cmd_sms_events(int fd);
 int atd_cmd_submit(int fd, char *num, char *msg);
 int atd_status_call(int fd, enum callstatus status, char *num);
+int atd_status_delivered(int fd, char *num, char *msg);
 ssize_t dec_str(char *in, char **out);
 int dec_call_status(int fd, struct call *calls);
+int dec_sms_status(int fd, struct sms *sms);
 int xwrite(int fd, char *buf, size_t len);
 int xread(int fd, char *buf, size_t len);