freeswitch结构之switch_channel_t

struct switch_channel {
 char *name;
 switch_call_direction_t direction;
 switch_call_direction_t logical_direction;
 switch_queue_t *dtmf_queue;
 switch_queue_t *dtmf_log_queue;
 switch_mutex_t*dtmf_mutex;
 switch_mutex_t *flag_mutex;
 switch_mutex_t *state_mutex;
 switch_mutex_t *thread_mutex;
 switch_mutex_t *profile_mutex;
 switch_core_session_t *session;
 switch_channel_state_t state;
 switch_channel_state_t running_state;
 switch_channel_callstate_t callstate;
 uint32_t flags[CF_FLAG_MAX];
 uint32_t caps[CC_FLAG_MAX];
 uint8_t state_flags[CF_FLAG_MAX];
 uint32_t private_flags;
 switch_caller_profile_t *caller_profile;
 const switch_state_handler_table_t *state_handlers[SWITCH_MAX_STATE_HANDLERS];
 int state_handler_index;
 switch_event_t *variables;
 switch_event_t *scope_variables;
 switch_hash_t *private_hash;
 switch_hash_t *app_flag_hash;
 switch_call_cause_t hangup_cause;
 int vi;
 int event_count;
 int profile_index;
 opaque_channel_flag_t opaque_flags;
 switch_originator_type_t last_profile_type;
 switch_caller_extension_t *queued_extension;
 switch_event_t *app_list;
 switch_event_t *api_list;
 switch_event_t *var_list;
 switch_hold_record_t *hold_record;
 switch_device_node_t *device_node;
 char *device_id;
};