fbd79a278b
Ensure we don't assert when processing an unexpected response. We were not correctly handling the case where g_match_info_matches() was not succeeding. 0x00007d8be96cc462 (libc.so.6 + 0x00028462) abort 0x00007d8be995ff01 (libglib-2.0.so.0 - gtestutils.c: 3253) g_assertion_message 0x00007d8be995ff64 (libglib-2.0.so.0 - gtestutils.c: 3279) g_assertion_message_expr 0x00007d8be858086a (libmm-shared-xmm.so - mm-modem-helpers-xmm.c: 467) mm_xmm_parse_xact_query_response 0x00007d8be857d4e0 (libmm-shared-xmm.so - mm-shared-xmm.c: 310) xact_query_bands_ready 0x00007d8be9a79463 (libgio-2.0.so.0 - gsimpleasyncresult.c: 802) g_simple_async_result_complete 0x00005c8d2a11e9b9 (ModemManager - mm-base-modem-at.c: 538) at_command_ready 0x00007d8be9a79463 (libgio-2.0.so.0 - gsimpleasyncresult.c: 802) g_simple_async_result_complete 0x00005c8d2a19376b (ModemManager - mm-port-serial-at.c) serial_command_ready 0x00007d8be9a79463 (libgio-2.0.so.0 - gsimpleasyncresult.c: 802) g_simple_async_result_complete 0x00005c8d2a18f93f (ModemManager - mm-port-serial.c: 139) command_context_complete_and_free 0x00005c8d2a192985 (ModemManager - mm-port-serial.c: 753) port_serial_got_response 0x00005c8d2a192dff (ModemManager - mm-port-serial.c: 924) common_input_available 0x00007d8be993e3fc (libglib-2.0.so.0 - gmain.c: 3417) g_main_context_dispatch 0x00007d8be993e704 (libglib-2.0.so.0 - gmain.c: 4211) g_main_context_iterate 0x00007d8be993e978 (libglib-2.0.so.0 - gmain.c: 4411) g_main_loop_run 0x00005c8d2a105e66 (ModemManager - main.c: 217) main 0x00007d8be96cc6c5 (libc.so.6 + 0x000286c5) __libc_init_first 0x00007d8be96cc781 (libc.so.6 + 0x00028781) __libc_start_main 0x00005c8d2a105b80 (ModemManager + 0x00061b80) _start
ModemManager. ModemManager provides a unified high level API for communicating with mobile broadband modems, regardless of the protocol used to communicate with the actual device (Generic AT, vendor-specific AT, QCDM, QMI, MBIM...). Using. ModemManager is a system daemon and is not meant to be used directly from the command line. However, since it provides a DBus API, it is possible to use 'dbus-send' commands or the new 'mmcli' command line interface to control it from the terminal. The devices are queried from udev and automatically updated based on hardware events, although a manual re-scan can also be requested to look for RS232 modems. Implementation. ModemManager is a DBus system bus activated service (meaning it's started automatically when a request arrives). It is written in C, using glib and gio. Several GInterfaces specify different features that the modems support, including the generic MMIfaceModem3gpp and MMIfaceModemCdma which provide basic operations for 3GPP (GSM, UMTS, LTE) or CDMA (CDMA1x, EV-DO) modems. If a given feature is not available in the modem, the specific interface will not be exported in DBus. Plugins. Plugins are loaded on startup, and must implement the MMPlugin interface. It consists of a couple of methods which tell the daemon whether the plugin supports a port and to create custom MMBroadbandModem implementations. It most likely makes sense to derive custom modem implementations from one of the generic classes and just add (or override) operations which are not standard. There are multiple fully working plugins in the plugins/ directory that can be used as an example for writing new plugins. Writing new plugins is highly encouraged! The plugin API is open for changes, so if you're writing a plugin and need to add or change some public method, feel free to suggest it! License. The ModemManager and mmcli binaries are both GPLv2+. The libmm-glib library is LGPLv2+. Code of Conduct. Please note that this project is released with a Contributor Code of Conduct. By participating in this project you agree to abide by its terms, which you can find in the following link: https://www.freedesktop.org/wiki/CodeOfConduct CoC issues may be raised to the project maintainers at the following address: modemmanager-devel-owner@lists.freedesktop.org