From ffce16f9b0c4b9a0e9fae98b7e4664b8e6aea883 Mon Sep 17 00:00:00 2001
From: Matthias Ringwald <matthias@ringwald.ch>
Date: Sat, 21 Nov 2015 22:08:49 +0100
Subject: [PATCH] hfp: allow to simulate call answered on remote side

---
 src/hfp.h              |  4 +++-
 src/hfp_ag.c           | 38 ++++++++++++++++++++++++++++++++++++--
 test/pts/hfp_ag_test.c |  6 ++++++
 3 files changed, 45 insertions(+), 3 deletions(-)

diff --git a/src/hfp.h b/src/hfp.h
index 236324f18..362c2f948 100644
--- a/src/hfp.h
+++ b/src/hfp.h
@@ -306,7 +306,9 @@ typedef enum {
     HFP_CALL_W4_AUDIO_CONNECTION_FOR_IN_BAND_RING,
     HFP_CALL_RINGING,
     HFP_CALL_W4_AUDIO_CONNECTION_FOR_ACTIVE,
-    HFP_CALL_ACTIVE
+    HFP_CALL_ACTIVE,
+    HFP_CALL_OUTGOING_DIALING,
+    HFP_CALL_OUTGOING_RINGING
 } hfp_call_state_t;
 
 typedef enum{
diff --git a/src/hfp_ag.c b/src/hfp_ag.c
index 23f082ab0..afdd768f5 100644
--- a/src/hfp_ag.c
+++ b/src/hfp_ag.c
@@ -741,7 +741,6 @@ static void hfp_ag_transfer_callsetup_state(void){
     }
 }
 
-#if 0
 static void hfp_ag_transfer_call_state(void){
     int indicator_index = get_ag_indicator_index_for_name("call");
     if (indicator_index < 0) return;
@@ -755,7 +754,6 @@ static void hfp_ag_transfer_call_state(void){
         hfp_run_for_context(connection);
     }
 }
-#endif
 
 static void hfp_ag_hf_accept_call(hfp_connection_t * source){
     
@@ -867,6 +865,16 @@ static void hfp_ag_set_call_state(hfp_call_status_t state){
     indicator->status = state;
 }
 
+static hfp_connection_t * hfp_ag_connection_for_call_state(hfp_call_state_t call_state){
+    linked_list_iterator_t it;    
+    linked_list_iterator_init(&it, hfp_get_connections());
+    while (linked_list_iterator_has_next(&it)){
+        hfp_connection_t * connection = (hfp_connection_t *)linked_list_iterator_next(&it);
+        if (connection->call_state == call_state) return connection;
+    }
+    return NULL;
+}
+
 // connection is used to identify originating HF
 static void hfp_ag_call_sm(hfp_ag_call_event_t event, hfp_connection_t * connection){
     switch (event){
@@ -988,14 +996,40 @@ static void hfp_ag_call_sm(hfp_ag_call_event_t event, hfp_connection_t * connect
             }
             break;
         case HFP_AG_OUTGOING_CALL_INITIATED:
+            connection->call_state = HFP_CALL_OUTGOING_DIALING;
             hfp_ag_set_callsetup_state(HFP_CALLSETUP_STATUS_OUTGOING_CALL_SETUP_IN_DIALING_STATE);
             hfp_ag_transfer_callsetup_state();
             break;
         case HFP_AG_OUTGOING_CALL_RINGING:
+            connection = hfp_ag_connection_for_call_state(HFP_CALL_OUTGOING_DIALING);
+            if (!connection){
+                log_info("hfp_ag_call_sm: did not find outgoing connection in dialing state");
+                break;
+            }
+            connection->call_state = HFP_CALL_OUTGOING_RINGING;
             hfp_ag_set_callsetup_state(HFP_CALLSETUP_STATUS_OUTGOING_CALL_SETUP_IN_ALERTING_STATE);
             hfp_ag_transfer_callsetup_state();
             break;
         case HFP_AG_OUTGOING_CALL_ESTABLISHED:
+            switch (hfp_ag_call_state){
+                case HFP_CALL_STATUS_NO_HELD_OR_ACTIVE_CALLS:
+                    connection = hfp_ag_connection_for_call_state(HFP_CALL_OUTGOING_RINGING);
+                    if (!connection){
+                        connection = hfp_ag_connection_for_call_state(HFP_CALL_OUTGOING_DIALING);
+                    }
+                    if (!connection){
+                        log_info("hfp_ag_call_sm: did not find outgoing connection");
+                        break;
+                    }
+                    connection->call_state = HFP_CALL_ACTIVE;
+                    hfp_ag_set_callsetup_state(HFP_CALLSETUP_STATUS_NO_CALL_SETUP_IN_PROGRESS);
+                    hfp_ag_set_call_state(HFP_CALL_STATUS_ACTIVE_OR_HELD_CALL_IS_PRESENT);
+                    hfp_ag_transfer_call_state();
+                    hfp_ag_transfer_callsetup_state();
+                    break;
+                default:
+                    break;
+            }
             break;
         default:
             break;
diff --git a/test/pts/hfp_ag_test.c b/test/pts/hfp_ag_test.c
index 8ae282593..2c3e85670 100644
--- a/test/pts/hfp_ag_test.c
+++ b/test/pts/hfp_ag_test.c
@@ -138,6 +138,8 @@ static void show_usage(void){
 
     printf("i - Set battery level to 3\n");
     printf("I - Set battery level to 5\n");
+    
+    printf("j - Answering call on remote side\n");
 
     printf("t - terminate connection\n");
 
@@ -227,6 +229,10 @@ static int stdin_process(struct data_source *ds){
             printf("Set battery level to 5\n");
             hfp_ag_set_battery_level(5);
             break;
+        case 'j':
+            printf("Answering call on remote side\n");
+            hfp_ag_outgoing_call_established();
+            break;
         case 'r':
             printf("Disable in-band ring tone\n");
             hfp_ag_set_use_in_band_ring_tone(0);