Add some more comments

This commit is contained in:
Axel Wagner
2010-09-17 05:26:31 +02:00
parent c82556f0f2
commit 93453c64f2
4 changed files with 47 additions and 7 deletions

View File

@ -51,7 +51,7 @@ int get_ipc_fd(const char *socket_path) {
*
*/
void got_command_reply(char *reply) {
/* FIXME: Error handling for command-replies */
/* TODO: Error handling for command-replies */
}
/*
@ -71,7 +71,7 @@ void got_workspace_reply(char *reply) {
*/
void got_subscribe_reply(char *reply) {
printf("Got Subscribe Reply: %s\n", reply);
/* FIXME: Error handling for subscribe-commands */
/* TODO: Error handling for subscribe-commands */
}
/*
@ -134,6 +134,8 @@ void got_data(struct ev_loop *loop, ev_io *watcher, int events) {
exit(EXIT_FAILURE);
}
/* We first parse the fixed-length IPC-header, to know, how much data
* we have to expect */
uint32_t rec = 0;
while (rec < header_len) {
int n = read(fd, header + rec, header_len - rec);
@ -156,11 +158,13 @@ void got_data(struct ev_loop *loop, ev_io *watcher, int events) {
exit(EXIT_FAILURE);
}
/* Know we read the rest of the message */
char *walk = header + strlen(I3_IPC_MAGIC);
uint32_t size = *((uint32_t*) walk);
walk += sizeof(uint32_t);
uint32_t type = *((uint32_t*) walk);
/* Now that we know, what to expect, we can start read()ing the rest
* of the message */
char *buffer = malloc(size + 1);
if (buffer == NULL) {
printf("ERROR: Could not allocate memory!\n");
@ -205,7 +209,11 @@ int i3_send_msg(uint32_t type, const char *payload) {
len = strlen(payload);
}
/* We are a wellbehaved client and send a proper header first */
uint32_t to_write = strlen (I3_IPC_MAGIC) + sizeof(uint32_t)*2 + len;
/* TODO: I'm not entirely sure if this buffer really has to contain more
* than the pure header (why not just write() the payload from *payload?),
* but we leave it for now */
char *buffer = malloc(to_write);
if (buffer == NULL) {
printf("ERROR: Could not allocate memory\n");