add "meshms list conversations" command.

commandline.c

@@ -2306,6 +2306,8 @@ struct cli_schema command_line_options[]={
    "Get specified configuration variable."},
   {app_vomp_console,{"console",NULL}, 0,
     "Test phone call life-cycle from the console"},
+  {app_meshms_list_conversations,{"meshms","list","conversations" KEYRING_PIN_OPTIONS, "<sid>","[<offset>]","[<count>]",NULL},0,
+   "List MeshMS threads that include <sid>"},
   {app_meshms_list_messages,{"meshms","list","messages" KEYRING_PIN_OPTIONS, "<sender_sid>","<recipient_sid>",NULL},0,
    "List MeshMS messages between <sender_sid> and <recipient_sid>"},
   {app_meshms_add_message,{"meshms","add","message" KEYRING_PIN_OPTIONS, "[<sender_did>]","[<recipient_did>]","<sender_sid>","<recipient_sid>","<payload>",NULL},0,

meshms.c

@@ -485,3 +485,34 @@ int app_meshms_ack_messages(const struct cli_parsed *parsed, void *context)
 
  return ret;
 }
+
+int app_meshms_list_conversations(const struct cli_parsed *parsed, void *context)
+{
+  if (create_serval_instance_dir() == -1)
+   return -1;
+ if (!(keyring = keyring_open_instance_cli(parsed)))
+   return -1;
+ if (rhizome_opendb() == -1)
+   return -1; 
+
+ if (config.debug.verbose)
+    DEBUG_cli_parsed(parsed);
+ const char *sid,*offset_str,*count_str;
+
+ // Parse mandatory arguments
+ cli_arg(parsed, "sid", &sid, cli_optional_sid, "");
+ cli_arg(parsed, "offset", &offset_str, NULL, "0");
+ cli_arg(parsed, "count", &count_str, NULL, "9999");
+ int offset=atoi(offset_str);
+ int count=atoi(count_str);
+ // Sanity check passed arguments
+ if ( strcmp(sid,"") == 0  )
+   { 
+     cli_puts("One or more missing arguments"); cli_delim("\n");
+   } 
+ sid_t aSid;
+ if (sid[0] && str_to_sid_t(&aSid, sid) == -1)
+   return WHYF("invalid sid: %s", sid);
+
+ return rhizome_meshms_find_conversations(sid,offset,count);
+}

rhizome.h

@@ -721,5 +721,6 @@ int meshms_block_type(unsigned char *buffer,int offset, int blength);
 int rhizome_meshms_find_conversation(const char *sender_sid, 
 				     const char *recipient_sid, 
 				     char *manifest_id, int offset);
+int rhizome_meshms_find_conversations(const char *sid, int offset, int count);
 
 #endif //__SERVALDNA__RHIZOME_H

rhizome_database.c

@@ -1280,11 +1280,66 @@ cleanup:
   OUT();
 } 
 
+int rhizome_meshms_find_conversations(const char *sid, int offset, int count)
+{
+  IN();
+  strbuf b = strbuf_alloca(1024);
+  strbuf_sprintf(b, "SELECT DISTINCT sender,recipient FROM manifests WHERE 1=1");
+  strbuf_sprintf(b, " AND ( sender = ?3 or recipient = ?3)");
+  strbuf_sprintf(b, " ORDER BY MIN(sender,recipient), MAX(sender,recipient)");
   
+  const char *names[]={
+    "partya","partyb"
+  };
+  cli_columns(2,names);
 
+  if (offset)
+    strbuf_sprintf(b, " OFFSET %u", offset);
   
+  if (strbuf_overrun(b))
+    RETURN(WHYF("SQL command too long: ", strbuf_str(b)));
   
+ //Statement is the SQL query and retry is the response from the database
+  sqlite_retry_state retry = SQLITE_RETRY_STATE_DEFAULT;
+  sqlite3_stmt *statement = sqlite_prepare(&retry, "%s", strbuf_str(b));
+  if (!statement)
+    RETURN(-1);
   
+  int ret = 0;
+  
+  if (ret==SQLITE_OK && sid && *sid)
+    ret = sqlite3_bind_text(statement, 3, sid, -1, SQLITE_STATIC);
+  
+  if (ret!=SQLITE_OK){
+    ret = WHYF("Failed to bind parameters: %s", sqlite3_errmsg(rhizome_db));
+    goto cleanup;
+  }
+  
+  ret=-1;
+  
+  int row=0;
+  while (sqlite_step_retry(&retry, statement) == SQLITE_ROW) {
+    if (!(sqlite3_column_count(statement) == 2
+	  && sqlite3_column_type(statement, 0) == SQLITE_TEXT
+	  && sqlite3_column_type(statement, 1) == SQLITE_TEXT
+	  )) { 
+      WHY("Incorrect row structure");
+      ret=-1;
+      goto cleanup;
+    }
+    row++;
+    if (row>count) break;
+    const char *sida = (const char *) sqlite3_column_text(statement, 0);
+    const char *sidb = (const char *) sqlite3_column_text(statement, 1);
+    cli_put_string(sida, ":");
+    cli_put_string(sidb, "\n");
+  }
+
+cleanup:
+  sqlite3_finalize(statement);
+  RETURN(ret);
+  OUT();
+} 
 
 void rhizome_bytes_to_hex_upper(unsigned const char *in, char *out, int byteCount)
 {

serval.h

@@ -686,6 +686,7 @@ int app_vomp_console(const struct cli_parsed *parsed, void *context);
 int app_meshms_add_message(const struct cli_parsed *parsed, void *context);
 int app_meshms_ack_messages(const struct cli_parsed *parsed, void *context);
 int app_meshms_list_messages(const struct cli_parsed *parsed, void *context);
+int app_meshms_list_conversations(const struct cli_parsed *parsed, void *context);
 
 int monitor_get_fds(struct pollfd *fds,int *fdcount,int fdmax);