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clean up main.c a bit

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svn:r364
This commit is contained in:
Roger Dingledine 2003-07-05 05:46:06 +00:00
parent 75440d08c2
commit 9f58a2ece4
2 changed files with 65 additions and 71 deletions
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124
src/or/main.c
View File

@ -4,6 +4,10 @@
#include "or.h"
/********* START PROTOTYPES **********/
static void dumpstats(void); /* dump stats to stdout */
/********* START VARIABLES **********/
or_options_t options; /* command-line and config-file options */
@ -233,83 +237,79 @@ void connection_start_writing(connection_t *conn) {
}
void check_conn_read(int i) {
static void conn_read(int i) {
int retval;
connection_t *conn;
if(poll_array[i].revents & POLLIN) { /* something to read */
conn = connection_array[i];
assert(conn);
// log_fn(LOG_DEBUG,"socket %d has something to read.",conn->s);
conn = connection_array[i];
assert(conn);
// log(LOG_DEBUG,"check_conn_read(): socket %d has something to read.",conn->s);
if (conn->type == CONN_TYPE_OR_LISTENER) {
retval = connection_or_handle_listener_read(conn);
} else if (conn->type == CONN_TYPE_AP_LISTENER) {
retval = connection_ap_handle_listener_read(conn);
} else if (conn->type == CONN_TYPE_DIR_LISTENER) {
retval = connection_dir_handle_listener_read(conn);
} else {
retval = connection_read_to_buf(conn);
if (retval < 0 && conn->type == CONN_TYPE_DIR && conn->state == DIR_CONN_STATE_CONNECTING) {
/* it's a directory server and connecting failed: forget about this router */
router_forget_router(conn->addr,conn->port); /* FIXME i don't think this function works. */
}
if (retval >= 0) { /* all still well */
retval = connection_process_inbuf(conn);
// log(LOG_DEBUG,"check_conn_read(): connection_process_inbuf returned %d.",retval);
if(retval >= 0 && !connection_state_is_open(conn) && conn->receiver_bucket == 0) {
log(LOG_DEBUG,"check_conn_read(): receiver bucket reached 0 before handshake finished. Closing.");
retval = -1;
}
if (conn->type == CONN_TYPE_OR_LISTENER) {
retval = connection_or_handle_listener_read(conn);
} else if (conn->type == CONN_TYPE_AP_LISTENER) {
retval = connection_ap_handle_listener_read(conn);
} else if (conn->type == CONN_TYPE_DIR_LISTENER) {
retval = connection_dir_handle_listener_read(conn);
} else {
retval = connection_read_to_buf(conn);
if (retval < 0 && conn->type == CONN_TYPE_DIR && conn->state == DIR_CONN_STATE_CONNECTING) {
/* it's a directory server and connecting failed: forget about this router */
router_forget_router(conn->addr,conn->port); /* FIXME i don't think this function works. */
}
if (retval >= 0) { /* all still well */
retval = connection_process_inbuf(conn);
// log_fn(LOG_DEBUG,"connection_process_inbuf returned %d.",retval);
if(retval >= 0 && !connection_state_is_open(conn) && conn->receiver_bucket == 0) {
log(LOG_DEBUG,"conn_read(): receiver bucket reached 0 before handshake finished. Closing.");
retval = -1;
}
}
}
if(retval < 0) { /* this connection is broken. remove it */
log(LOG_INFO,"check_conn_read(): Connection broken, removing.");
connection_remove(conn);
connection_free(conn);
if(i<nfds) { /* we just replaced the one at i with a new one.
process it too. */
check_conn_read(i);
}
if(retval < 0) { /* this connection is broken. remove it */
log_fn(LOG_INFO,"Connection broken, removing.");
connection_remove(conn);
connection_free(conn);
if(i<nfds) { /* we just replaced the one at i with a new one.
process it too. */
if(poll_array[i].revents & POLLIN) /* something to read */
conn_read(i);
}
}
}
void check_conn_write(int i) {
static void conn_write(int i) {
int retval;
connection_t *conn;
if(poll_array[i].revents & POLLOUT) { /* something to write */
conn = connection_array[i];
// log_fn(LOG_DEBUG,"socket %d wants to write.",conn->s);
conn = connection_array[i];
// log(LOG_DEBUG,"check_conn_write(): socket %d wants to write.",conn->s);
if(connection_is_listener(conn)) {
log(LOG_DEBUG,"check_conn_write(): Got a listener socket. Can't happen!");
retval = -1;
} else {
/* else it's an OP, OR, or exit */
retval = connection_flush_buf(conn); /* conns in CONNECTING state will fall through... */
if(retval == 0) { /* it's done flushing */
retval = connection_finished_flushing(conn); /* ...and get handled here. */
}
if(connection_is_listener(conn)) {
log_fn(LOG_DEBUG,"Got a listener socket. Can't happen!");
retval = -1;
} else {
/* else it's an OP, OR, or exit */
retval = connection_flush_buf(conn); /* conns in CONNECTING state will fall through... */
if(retval == 0) { /* it's done flushing */
retval = connection_finished_flushing(conn); /* ...and get handled here. */
}
}
if(retval < 0) { /* this connection is broken. remove it. */
log(LOG_DEBUG,"check_conn_write(): Connection broken, removing.");
connection_remove(conn);
connection_free(conn);
if(i<nfds) { /* we just replaced the one at i with a new one.
process it too. */
check_conn_write(i);
}
if(retval < 0) { /* this connection is broken. remove it. */
log_fn(LOG_DEBUG,"Connection broken, removing.");
connection_remove(conn);
connection_free(conn);
if(i<nfds) { /* we just replaced the one at i with a new one.
process it too. */
if(poll_array[i].revents & POLLOUT) /* something to write */
conn_write(i);
}
}
}
void check_conn_marked(int i) {
static void check_conn_marked(int i) {
connection_t *conn;
conn = connection_array[i];
@ -329,7 +329,7 @@ void check_conn_marked(int i) {
}
}
int prepare_for_poll(int *timeout) {
static int prepare_for_poll(int *timeout) {
int i;
// connection_t *conn = NULL;
connection_t *tmpconn;
@ -446,7 +446,7 @@ int prepare_for_poll(int *timeout) {
}
#endif
int do_main_loop(void) {
static int do_main_loop(void) {
int i;
int timeout;
int poll_result;
@ -536,11 +536,13 @@ int do_main_loop(void) {
if(poll_result > 0) { /* we have at least one connection to deal with */
/* do all the reads first, so we can detect closed sockets */
for(i=0;i<nfds;i++)
check_conn_read(i); /* this also blows away broken connections */
if(poll_array[i].revents & POLLIN) /* something to read */
conn_read(i); /* this also blows away broken connections */
/* then do the writes */
for(i=0;i<nfds;i++)
check_conn_write(i);
if(poll_array[i].revents & POLLOUT) /* something to write */
conn_write(i);
/* any of the conns need to be closed now? */
for(i=0;i<nfds;i++)
@ -571,7 +573,7 @@ static void catch(int the_signal) {
}
}
void dumpstats(void) { /* dump stats to stdout */
static void dumpstats(void) { /* dump stats to stdout */
int i;
connection_t *conn;
struct timeval now;

12
src/or/or.h
View File

@ -205,8 +205,9 @@ struct connection_t {
/* Used by all types: */
unsigned char type;
uint8_t type;
int state;
uint8_t wants_to_read;
int s; /* our socket */
int poll_index;
int marked_for_close;
@ -665,15 +666,6 @@ void connection_start_reading(connection_t *conn);
void connection_stop_writing(connection_t *conn);
void connection_start_writing(connection_t *conn);
void check_conn_read(int i);
void check_conn_marked(int i);
void check_conn_write(int i);
int prepare_for_poll(int *timeout);
int do_main_loop(void);
void dumpstats(void);
int dump_signed_directory_to_string(char *s, int maxlen,
crypto_pk_env_t *private_key);
/* Exported for debugging */